Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 11, 95, 92, 12 ]
69
[ "11+12=23", "95-92=3", "23*3=69" ]
Current State: 69:[11, 95, 92, 12], Operations: [] Exploring Operation: 11+12=23, Resulting Numbers: [95, 92, 23] Generated Node #2: [95, 92, 23] from Operation: 11+12=23 Current State: 69:[95, 92, 23], Operations: ['11+12=23'] Exploring Operation: 95-92=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 95-92=3 Current State: 69:[23, 3], Operations: ['11+12=23', '95-92=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[11, 95, 92, 12], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [11, 12, 3] Generated Node #0,0: 69:[11, 12, 3] Operation: 95-92=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[11, 12, 3], Operations: ['95-92=3'] Exploring Operation: 11+12=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 69:[3, 23] Operation: 11+12=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[3, 23], Operations: ['95-92=3', '11+12=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[11, 95, 92, 12], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [11, 12, 3] Generated Node #0,0: 69:[11, 12, 3] Operation: 95-92=3 Moving to Node #0,0 Current State: 69:[11, 12, 3], Operations: ['95-92=3'] Exploring Operation: 11+12=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 69:[3, 23] Operation: 11+12=23 Moving to Node #0,0,0 Current State: 69:[3, 23], Operations: ['95-92=3', '11+12=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 92, 46, 86, 35 ]
75
[ "92-46=46", "86+35=121", "121-46=75" ]
Current State: 75:[92, 46, 86, 35], Operations: [] Exploring Operation: 92-46=46, Resulting Numbers: [86, 35, 46] Generated Node #2: [86, 35, 46] from Operation: 92-46=46 Current State: 75:[86, 35, 46], Operations: ['92-46=46'] Exploring Operation: 86+35=121, Resulting Numbers: [46, 121] Generated Node #3: [46, 121] from Operation: 86+35=121 Current State: 75:[46, 121], Operations: ['92-46=46', '86+35=121'] Exploring Operation: 121-46=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[92, 46, 86, 35], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [86, 35, 2] Generated Node #0,0: 75:[86, 35, 2] Operation: 92/46=2 Moving to Node #0,0 Current State: 75:[86, 35, 2], Operations: ['92/46=2'] Exploring Operation: 35*2=70, Resulting Numbers: [86, 70] Generated Node #0,0,0: 75:[86, 70] Operation: 35*2=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[86, 70], Operations: ['92/46=2', '35*2=70'] Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 30, 27, 88, 82 ]
48
[ "30*88=2640", "82-27=55", "2640/55=48" ]
Current State: 48:[30, 27, 88, 82], Operations: [] Exploring Operation: 30*88=2640, Resulting Numbers: [27, 82, 2640] Generated Node #2: [27, 82, 2640] from Operation: 30*88=2640 Current State: 48:[27, 82, 2640], Operations: ['30*88=2640'] Exploring Operation: 82-27=55, Resulting Numbers: [2640, 55] Generated Node #3: [2640, 55] from Operation: 82-27=55 Current State: 48:[2640, 55], Operations: ['30*88=2640', '82-27=55'] Exploring Operation: 2640/55=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[30, 27, 88, 82], Operations: [] Exploring Operation: 88-27=61, Resulting Numbers: [30, 82, 61] Generated Node #0,0: 48:[30, 82, 61] Operation: 88-27=61 Exploring Operation: 88-30=58, Resulting Numbers: [27, 82, 58] Generated Node #0,1: 48:[27, 82, 58] Operation: 88-30=58 Exploring Operation: 82-30=52, Resulting Numbers: [27, 88, 52] Generated Node #0,2: 48:[27, 88, 52] Operation: 82-30=52 Exploring Operation: 88-82=6, Resulting Numbers: [30, 27, 6] Generated Node #0,3: 48:[30, 27, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[30, 27, 6], Operations: ['88-82=6'] Exploring Operation: 30-27=3, Resulting Numbers: [6, 3] Generated Node #0,3,0: 48:[6, 3] Operation: 30-27=3 Exploring Operation: 30+27=57, Resulting Numbers: [6, 57] Generated Node #0,3,1: 48:[6, 57] Operation: 30+27=57 Exploring Operation: 30-6=24, Resulting Numbers: [27, 24] Generated Node #0,3,2: 48:[27, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [27, 5] Generated Node #0,3,3: 48:[27, 5] Operation: 30/6=5 Moving to Node #0,3,0 Current State: 48:[6, 3], Operations: ['88-82=6', '30-27=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[27, 24], Operations: ['88-82=6', '30-6=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,48 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[27, 5], Operations: ['88-82=6', '30/6=5'] Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,48 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,48 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[6, 57], Operations: ['88-82=6', '30+27=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 6*57=342, Resulting Numbers: [342] 342,48 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[27, 82, 58], Operations: ['88-30=58'] Exploring Operation: 82-58=24, Resulting Numbers: [27, 24] Generated Node #0,1,0: 48:[27, 24] Operation: 82-58=24 Exploring Operation: 58-27=31, Resulting Numbers: [82, 31] Generated Node #0,1,1: 48:[82, 31] Operation: 58-27=31 Exploring Operation: 27+82=109, Resulting Numbers: [58, 109] Generated Node #0,1,2: 48:[58, 109] Operation: 27+82=109 Exploring Operation: 82-27=55, Resulting Numbers: [58, 55] Generated Node #0,1,3: 48:[58, 55] Operation: 82-27=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[27, 24], Operations: ['88-30=58', '82-58=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,48 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 48:[58, 55], Operations: ['88-30=58', '82-27=55'] Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,48 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[82, 31], Operations: ['88-30=58', '58-27=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,48 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[58, 109], Operations: ['88-30=58', '27+82=109'] Exploring Operation: 58*109=6322, Resulting Numbers: [6322] 6322,48 unequal: No Solution Exploring Operation: 58+109=167, Resulting Numbers: [167] 167,48 unequal: No Solution Exploring Operation: 109-58=51, Resulting Numbers: [51] 51,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[27, 88, 52], Operations: ['82-30=52'] Exploring Operation: 88-52=36, Resulting Numbers: [27, 36] Generated Node #0,2,0: 48:[27, 36] Operation: 88-52=36 Exploring Operation: 88-27=61, Resulting Numbers: [52, 61] Generated Node #0,2,1: 48:[52, 61] Operation: 88-27=61 Exploring Operation: 27+88=115, Resulting Numbers: [52, 115] Generated Node #0,2,2: 48:[52, 115] Operation: 27+88=115 Exploring Operation: 52-27=25, Resulting Numbers: [88, 25] Generated Node #0,2,3: 48:[88, 25] Operation: 52-27=25 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[27, 36], Operations: ['82-30=52', '88-52=36'] Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[52, 61], Operations: ['82-30=52', '88-27=61'] Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 48:[88, 25], Operations: ['82-30=52', '52-27=25'] Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[52, 115], Operations: ['82-30=52', '27+88=115'] Exploring Operation: 52*115=5980, Resulting Numbers: [5980] 5980,48 unequal: No Solution Exploring Operation: 52+115=167, Resulting Numbers: [167] 167,48 unequal: No Solution Exploring Operation: 115-52=63, Resulting Numbers: [63] 63,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[30, 82, 61], Operations: ['88-27=61'] Exploring Operation: 82-61=21, Resulting Numbers: [30, 21] Generated Node #0,0,0: 48:[30, 21] Operation: 82-61=21 Exploring Operation: 61-30=31, Resulting Numbers: [82, 31] Generated Node #0,0,1: 48:[82, 31] Operation: 61-30=31 Exploring Operation: 30+82=112, Resulting Numbers: [61, 112] Generated Node #0,0,2: 48:[61, 112] Operation: 30+82=112 Exploring Operation: 82-30=52, Resulting Numbers: [61, 52] Generated Node #0,0,3: 48:[61, 52] Operation: 82-30=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[30, 21], Operations: ['88-27=61', '82-61=21'] Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,48 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 48:[61, 52], Operations: ['88-27=61', '82-30=52'] Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[82, 31], Operations: ['88-27=61', '61-30=31'] Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,48 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[61, 112], Operations: ['88-27=61', '30+82=112'] Exploring Operation: 61*112=6832, Resulting Numbers: [6832] 6832,48 unequal: No Solution Exploring Operation: 112-61=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 61+112=173, Resulting Numbers: [173] 173,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 84, 75, 66, 49 ]
98
[ "84+66=150", "150/75=2", "49*2=98" ]
Current State: 98:[84, 75, 66, 49], Operations: [] Exploring Operation: 84+66=150, Resulting Numbers: [75, 49, 150] Generated Node #2: [75, 49, 150] from Operation: 84+66=150 Current State: 98:[75, 49, 150], Operations: ['84+66=150'] Exploring Operation: 150/75=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 150/75=2 Current State: 98:[49, 2], Operations: ['84+66=150', '150/75=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[84, 75, 66, 49], Operations: [] Exploring Operation: 75-66=9, Resulting Numbers: [84, 49, 9] Generated Node #0,0: 98:[84, 49, 9] Operation: 75-66=9 Exploring Operation: 75-49=26, Resulting Numbers: [84, 66, 26] Generated Node #0,1: 98:[84, 66, 26] Operation: 75-49=26 Exploring Operation: 66-49=17, Resulting Numbers: [84, 75, 17] Generated Node #0,2: 98:[84, 75, 17] Operation: 66-49=17 Exploring Operation: 84-66=18, Resulting Numbers: [75, 49, 18] Generated Node #0,3: 98:[75, 49, 18] Operation: 84-66=18 Exploring Operation: 84-75=9, Resulting Numbers: [66, 49, 9] Generated Node #0,4: 98:[66, 49, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[84, 49, 9], Operations: ['75-66=9'] Exploring Operation: 49-9=40, Resulting Numbers: [84, 40] Generated Node #0,0,0: 98:[84, 40] Operation: 49-9=40 Exploring Operation: 84+9=93, Resulting Numbers: [49, 93] Generated Node #0,0,1: 98:[49, 93] Operation: 84+9=93 Exploring Operation: 84-49=35, Resulting Numbers: [9, 35] Generated Node #0,0,2: 98:[9, 35] Operation: 84-49=35 Exploring Operation: 49+9=58, Resulting Numbers: [84, 58] Generated Node #0,0,3: 98:[84, 58] Operation: 49+9=58 Exploring Operation: 84-9=75, Resulting Numbers: [49, 75] Generated Node #0,0,4: 98:[49, 75] Operation: 84-9=75 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[49, 93], Operations: ['75-66=9', '84+9=93'] Exploring Operation: 49*93=4557, Resulting Numbers: [4557] 4557,98 unequal: No Solution Exploring Operation: 49+93=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 93-49=44, Resulting Numbers: [44] 44,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[9, 35], Operations: ['75-66=9', '84-49=35'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,98 unequal: No Solution Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[84, 40], Operations: ['75-66=9', '49-9=40'] Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 98:[84, 58], Operations: ['75-66=9', '49+9=58'] Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 84*58=4872, Resulting Numbers: [4872] 4872,98 unequal: No Solution Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 98:[49, 75], Operations: ['75-66=9', '84-9=75'] Exploring Operation: 49+75=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 49*75=3675, Resulting Numbers: [3675] 3675,98 unequal: No Solution Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[66, 49, 9], Operations: ['84-75=9'] Exploring Operation: 66-49=17, Resulting Numbers: [9, 17] Generated Node #0,4,0: 98:[9, 17] Operation: 66-49=17 Exploring Operation: 66+49=115, Resulting Numbers: [9, 115] Generated Node #0,4,1: 98:[9, 115] Operation: 66+49=115 Exploring Operation: 49+9=58, Resulting Numbers: [66, 58] Generated Node #0,4,2: 98:[66, 58] Operation: 49+9=58 Exploring Operation: 66+9=75, Resulting Numbers: [49, 75] Generated Node #0,4,3: 98:[49, 75] Operation: 66+9=75 Exploring Operation: 66-9=57, Resulting Numbers: [49, 57] Generated Node #0,4,4: 98:[49, 57] Operation: 66-9=57 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 98:[9, 17], Operations: ['84-75=9', '66-49=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 98:[49, 57], Operations: ['84-75=9', '66-9=57'] Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 98:[9, 115], Operations: ['84-75=9', '66+49=115'] Exploring Operation: 115-9=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 9+115=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 9*115=1035, Resulting Numbers: [1035] 1035,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 98:[49, 75], Operations: ['84-75=9', '66+9=75'] Exploring Operation: 49*75=3675, Resulting Numbers: [3675] 3675,98 unequal: No Solution Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 49+75=124, Resulting Numbers: [124] 124,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 98:[66, 58], Operations: ['84-75=9', '49+9=58'] Exploring Operation: 66+58=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 66*58=3828, Resulting Numbers: [3828] 3828,98 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[75, 49, 18], Operations: ['84-66=18'] Exploring Operation: 75-18=57, Resulting Numbers: [49, 57] Generated Node #0,3,0: 98:[49, 57] Operation: 75-18=57 Exploring Operation: 75-49=26, Resulting Numbers: [18, 26] Generated Node #0,3,1: 98:[18, 26] Operation: 75-49=26 Exploring Operation: 75+49=124, Resulting Numbers: [18, 124] Generated Node #0,3,2: 98:[18, 124] Operation: 75+49=124 Exploring Operation: 49-18=31, Resulting Numbers: [75, 31] Generated Node #0,3,3: 98:[75, 31] Operation: 49-18=31 Exploring Operation: 75+18=93, Resulting Numbers: [49, 93] Generated Node #0,3,4: 98:[49, 93] Operation: 75+18=93 Moving to Node #0,3,4 Current State: 98:[49, 93], Operations: ['84-66=18', '75+18=93'] Exploring Operation: 93-49=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 49*93=4557, Resulting Numbers: [4557] 4557,98 unequal: No Solution Exploring Operation: 49+93=142, Resulting Numbers: [142] 142,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[49, 57], Operations: ['84-66=18', '75-18=57'] Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,98 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[18, 26], Operations: ['84-66=18', '75-49=26'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,98 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[18, 124], Operations: ['84-66=18', '75+49=124'] Exploring Operation: 18+124=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 18*124=2232, Resulting Numbers: [2232] 2232,98 unequal: No Solution Exploring Operation: 124-18=106, Resulting Numbers: [106] 106,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[75, 31], Operations: ['84-66=18', '49-18=31'] Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,98 unequal: No Solution Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[84, 75, 17], Operations: ['66-49=17'] Exploring Operation: 84+17=101, Resulting Numbers: [75, 101] Generated Node #0,2,0: 98:[75, 101] Operation: 84+17=101 Exploring Operation: 84-75=9, Resulting Numbers: [17, 9] Generated Node #0,2,1: 98:[17, 9] Operation: 84-75=9 Exploring Operation: 75+17=92, Resulting Numbers: [84, 92] Generated Node #0,2,2: 98:[84, 92] Operation: 75+17=92 Exploring Operation: 84-17=67, Resulting Numbers: [75, 67] Generated Node #0,2,3: 98:[75, 67] Operation: 84-17=67 Exploring Operation: 75-17=58, Resulting Numbers: [84, 58] Generated Node #0,2,4: 98:[84, 58] Operation: 75-17=58 Moving to Node #0,2,1 Current State: 98:[17, 9], Operations: ['66-49=17', '84-75=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,98 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[84, 92], Operations: ['66-49=17', '75+17=92'] Exploring Operation: 84*92=7728, Resulting Numbers: [7728] 7728,98 unequal: No Solution Exploring Operation: 84+92=176, Resulting Numbers: [176] 176,98 unequal: No Solution Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[84, 58], Operations: ['66-49=17', '75-17=58'] Exploring Operation: 84*58=4872, Resulting Numbers: [4872] 4872,98 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[75, 101], Operations: ['66-49=17', '84+17=101'] Exploring Operation: 101-75=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 75*101=7575, Resulting Numbers: [7575] 7575,98 unequal: No Solution Exploring Operation: 75+101=176, Resulting Numbers: [176] 176,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[75, 67], Operations: ['66-49=17', '84-17=67'] Exploring Operation: 75+67=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 75*67=5025, Resulting Numbers: [5025] 5025,98 unequal: No Solution Exploring Operation: 75-67=8, Resulting Numbers: [8] 8,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[84, 66, 26], Operations: ['75-49=26'] Exploring Operation: 84+26=110, Resulting Numbers: [66, 110] Generated Node #0,1,0: 98:[66, 110] Operation: 84+26=110 Exploring Operation: 66+26=92, Resulting Numbers: [84, 92] Generated Node #0,1,1: 98:[84, 92] Operation: 66+26=92 Exploring Operation: 84-26=58, Resulting Numbers: [66, 58] Generated Node #0,1,2: 98:[66, 58] Operation: 84-26=58 Exploring Operation: 66-26=40, Resulting Numbers: [84, 40] Generated Node #0,1,3: 98:[84, 40] Operation: 66-26=40 Exploring Operation: 84-66=18, Resulting Numbers: [26, 18] Generated Node #0,1,4: 98:[26, 18] Operation: 84-66=18 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[26, 18], Operations: ['75-49=26', '84-66=18'] Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,98 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[84, 92], Operations: ['75-49=26', '66+26=92'] Exploring Operation: 84+92=176, Resulting Numbers: [176] 176,98 unequal: No Solution Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 84*92=7728, Resulting Numbers: [7728] 7728,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[84, 40], Operations: ['75-49=26', '66-26=40'] Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[66, 58], Operations: ['75-49=26', '84-26=58'] Exploring Operation: 66+58=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 66*58=3828, Resulting Numbers: [3828] 3828,98 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[66, 110], Operations: ['75-49=26', '84+26=110'] Exploring Operation: 66*110=7260, Resulting Numbers: [7260] 7260,98 unequal: No Solution Exploring Operation: 110-66=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 66+110=176, Resulting Numbers: [176] 176,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 82, 53, 7, 94 ]
58
[ "82-53=29", "94-7=87", "87-29=58" ]
Current State: 58:[82, 53, 7, 94], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [7, 94, 29] Generated Node #2: [7, 94, 29] from Operation: 82-53=29 Current State: 58:[7, 94, 29], Operations: ['82-53=29'] Exploring Operation: 94-7=87, Resulting Numbers: [29, 87] Generated Node #3: [29, 87] from Operation: 94-7=87 Current State: 58:[29, 87], Operations: ['82-53=29', '94-7=87'] Exploring Operation: 87-29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[82, 53, 7, 94], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [53, 7, 12] Generated Node #0,0: 58:[53, 7, 12] Operation: 94-82=12 Moving to Node #0,0 Current State: 58:[53, 7, 12], Operations: ['94-82=12'] Exploring Operation: 12-7=5, Resulting Numbers: [53, 5] Generated Node #0,0,0: 58:[53, 5] Operation: 12-7=5 Moving to Node #0,0,0 Current State: 58:[53, 5], Operations: ['94-82=12', '12-7=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[82, 53, 7, 94], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [53, 7, 12] Generated Node #0,0: 58:[53, 7, 12] Operation: 94-82=12 Moving to Node #0,0 Current State: 58:[53, 7, 12], Operations: ['94-82=12'] Exploring Operation: 12-7=5, Resulting Numbers: [53, 5] Generated Node #0,0,0: 58:[53, 5] Operation: 12-7=5 Moving to Node #0,0,0 Current State: 58:[53, 5], Operations: ['94-82=12', '12-7=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 25, 21, 64, 66 ]
17
[ "66-64=2", "21*2=42", "42-25=17" ]
Current State: 17:[25, 21, 64, 66], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [25, 21, 2] Generated Node #2: [25, 21, 2] from Operation: 66-64=2 Current State: 17:[25, 21, 2], Operations: ['66-64=2'] Exploring Operation: 21*2=42, Resulting Numbers: [25, 42] Generated Node #3: [25, 42] from Operation: 21*2=42 Current State: 17:[25, 42], Operations: ['66-64=2', '21*2=42'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[25, 21, 64, 66], Operations: [] Exploring Operation: 64-25=39, Resulting Numbers: [21, 66, 39] Generated Node #0,0: 17:[21, 66, 39] Operation: 64-25=39 Exploring Operation: 66-64=2, Resulting Numbers: [25, 21, 2] Generated Node #0,1: 17:[25, 21, 2] Operation: 66-64=2 Exploring Operation: 66-25=41, Resulting Numbers: [21, 64, 41] Generated Node #0,2: 17:[21, 64, 41] Operation: 66-25=41 Moving to Node #0,1 Current State: 17:[25, 21, 2], Operations: ['66-64=2'] Exploring Operation: 25-2=23, Resulting Numbers: [21, 23] Generated Node #0,1,0: 17:[21, 23] Operation: 25-2=23 Exploring Operation: 21-2=19, Resulting Numbers: [25, 19] Generated Node #0,1,1: 17:[25, 19] Operation: 21-2=19 Exploring Operation: 25+2=27, Resulting Numbers: [21, 27] Generated Node #0,1,2: 17:[21, 27] Operation: 25+2=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[21, 23], Operations: ['66-64=2', '25-2=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,17 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[25, 19], Operations: ['66-64=2', '21-2=19'] Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,17 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[21, 27], Operations: ['66-64=2', '25+2=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 17:[21, 66, 39], Operations: ['64-25=39'] Exploring Operation: 39-21=18, Resulting Numbers: [66, 18] Generated Node #0,0,0: 17:[66, 18] Operation: 39-21=18 Exploring Operation: 66-21=45, Resulting Numbers: [39, 45] Generated Node #0,0,1: 17:[39, 45] Operation: 66-21=45 Exploring Operation: 66-39=27, Resulting Numbers: [21, 27] Generated Node #0,0,2: 17:[21, 27] Operation: 66-39=27 Moving to Node #0,2 Current State: 17:[21, 64, 41], Operations: ['66-25=41'] Exploring Operation: 41-21=20, Resulting Numbers: [64, 20] Generated Node #0,2,0: 17:[64, 20] Operation: 41-21=20 Exploring Operation: 64-41=23, Resulting Numbers: [21, 23] Generated Node #0,2,1: 17:[21, 23] Operation: 64-41=23 Exploring Operation: 64-21=43, Resulting Numbers: [41, 43] Generated Node #0,2,2: 17:[41, 43] Operation: 64-21=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[21, 23], Operations: ['66-25=41', '64-41=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[64, 20], Operations: ['66-25=41', '41-21=20'] Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,17 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[41, 43], Operations: ['66-25=41', '64-21=43'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 17:[21, 27], Operations: ['64-25=39', '66-39=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,17 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[66, 18], Operations: ['64-25=39', '39-21=18'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,17 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[39, 45], Operations: ['64-25=39', '66-21=45'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 39*45=1755, Resulting Numbers: [1755] 1755,17 unequal: No Solution Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,17 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 26, 68, 6, 23 ]
13
[ "68-26=42", "6+23=29", "42-29=13" ]
Current State: 13:[26, 68, 6, 23], Operations: [] Exploring Operation: 68-26=42, Resulting Numbers: [6, 23, 42] Generated Node #2: [6, 23, 42] from Operation: 68-26=42 Current State: 13:[6, 23, 42], Operations: ['68-26=42'] Exploring Operation: 6+23=29, Resulting Numbers: [42, 29] Generated Node #3: [42, 29] from Operation: 6+23=29 Current State: 13:[42, 29], Operations: ['68-26=42', '6+23=29'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[26, 68, 6, 23], Operations: [] Exploring Operation: 68-23=45, Resulting Numbers: [26, 6, 45] Generated Node #0,0: 13:[26, 6, 45] Operation: 68-23=45 Exploring Operation: 68-26=42, Resulting Numbers: [6, 23, 42] Generated Node #0,1: 13:[6, 23, 42] Operation: 68-26=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[6, 23, 42], Operations: ['68-26=42'] Exploring Operation: 42-23=19, Resulting Numbers: [6, 19] Generated Node #0,1,0: 13:[6, 19] Operation: 42-23=19 Exploring Operation: 42/6=7, Resulting Numbers: [23, 7] Generated Node #0,1,1: 13:[23, 7] Operation: 42/6=7 Moving to Node #0,1,0 Current State: 13:[6, 19], Operations: ['68-26=42', '42-23=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[26, 68, 6, 23], Operations: [] Exploring Operation: 68-26=42, Resulting Numbers: [6, 23, 42] Generated Node #0,1: 13:[6, 23, 42] Operation: 68-26=42 Moving to Node #0,1 Current State: 13:[6, 23, 42], Operations: ['68-26=42'] Exploring Operation: 42-23=19, Resulting Numbers: [6, 19] Generated Node #0,1,0: 13:[6, 19] Operation: 42-23=19 Moving to Node #0,1,0 Current State: 13:[6, 19], Operations: ['68-26=42', '42-23=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 5, 11, 61, 20 ]
50
[ "5*20=100", "61-11=50", "100-50=50" ]
Current State: 50:[5, 11, 61, 20], Operations: [] Exploring Operation: 5*20=100, Resulting Numbers: [11, 61, 100] Generated Node #2: [11, 61, 100] from Operation: 5*20=100 Current State: 50:[11, 61, 100], Operations: ['5*20=100'] Exploring Operation: 61-11=50, Resulting Numbers: [100, 50] Generated Node #3: [100, 50] from Operation: 61-11=50 Current State: 50:[100, 50], Operations: ['5*20=100', '61-11=50'] Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[5, 11, 61, 20], Operations: [] Exploring Operation: 61-5=56, Resulting Numbers: [11, 20, 56] Generated Node #0,0: 50:[11, 20, 56] Operation: 61-5=56 Exploring Operation: 61-11=50, Resulting Numbers: [5, 20, 50] Generated Node #0,1: 50:[5, 20, 50] Operation: 61-11=50 Exploring Operation: 61-20=41, Resulting Numbers: [5, 11, 41] Generated Node #0,2: 50:[5, 11, 41] Operation: 61-20=41 Moving to Node #0,1 Current State: 50:[5, 20, 50], Operations: ['61-11=50'] Exploring Operation: 5+20=25, Resulting Numbers: [50, 25] Generated Node #0,1,0: 50:[50, 25] Operation: 5+20=25 Exploring Operation: 20-5=15, Resulting Numbers: [50, 15] Generated Node #0,1,1: 50:[50, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [50, 4] Generated Node #0,1,2: 50:[50, 4] Operation: 20/5=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[50, 25], Operations: ['61-11=50', '5+20=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,50 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[50, 4], Operations: ['61-11=50', '20/5=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,50 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[50, 15], Operations: ['61-11=50', '20-5=15'] Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 50*15=750, Resulting Numbers: [750] 750,50 unequal: No Solution Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 50:[5, 11, 41], Operations: ['61-20=41'] Exploring Operation: 41-11=30, Resulting Numbers: [5, 30] Generated Node #0,2,0: 50:[5, 30] Operation: 41-11=30 Exploring Operation: 5+41=46, Resulting Numbers: [11, 46] Generated Node #0,2,1: 50:[11, 46] Operation: 5+41=46 Exploring Operation: 11+41=52, Resulting Numbers: [5, 52] Generated Node #0,2,2: 50:[5, 52] Operation: 11+41=52 Moving to Node #0,0 Current State: 50:[11, 20, 56], Operations: ['61-5=56'] Exploring Operation: 11+20=31, Resulting Numbers: [56, 31] Generated Node #0,0,0: 50:[56, 31] Operation: 11+20=31 Exploring Operation: 56-11=45, Resulting Numbers: [20, 45] Generated Node #0,0,1: 50:[20, 45] Operation: 56-11=45 Exploring Operation: 20-11=9, Resulting Numbers: [56, 9] Generated Node #0,0,2: 50:[56, 9] Operation: 20-11=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[56, 9], Operations: ['61-5=56', '20-11=9'] Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,50 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,50 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[20, 45], Operations: ['61-5=56', '56-11=45'] Exploring Operation: 20*45=900, Resulting Numbers: [900] 900,50 unequal: No Solution Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[56, 31], Operations: ['61-5=56', '11+20=31'] Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,50 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 50:[5, 52], Operations: ['61-20=41', '11+41=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,50 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[5, 30], Operations: ['61-20=41', '41-11=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[11, 46], Operations: ['61-20=41', '5+41=46'] Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,50 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 64, 74, 58, 82 ]
34
[ "74-64=10", "82-58=24", "10+24=34" ]
Current State: 34:[64, 74, 58, 82], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [58, 82, 10] Generated Node #2: [58, 82, 10] from Operation: 74-64=10 Current State: 34:[58, 82, 10], Operations: ['74-64=10'] Exploring Operation: 82-58=24, Resulting Numbers: [10, 24] Generated Node #3: [10, 24] from Operation: 82-58=24 Current State: 34:[10, 24], Operations: ['74-64=10', '82-58=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[64, 74, 58, 82], Operations: [] Exploring Operation: 82-74=8, Resulting Numbers: [64, 58, 8] Generated Node #0,0: 34:[64, 58, 8] Operation: 82-74=8 Exploring Operation: 82-64=18, Resulting Numbers: [74, 58, 18] Generated Node #0,1: 34:[74, 58, 18] Operation: 82-64=18 Exploring Operation: 82-58=24, Resulting Numbers: [64, 74, 24] Generated Node #0,2: 34:[64, 74, 24] Operation: 82-58=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[64, 58, 8], Operations: ['82-74=8'] Exploring Operation: 64-58=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 34:[8, 6] Operation: 64-58=6 Exploring Operation: 64-8=56, Resulting Numbers: [58, 56] Generated Node #0,0,1: 34:[58, 56] Operation: 64-8=56 Exploring Operation: 64/8=8, Resulting Numbers: [58, 8] Generated Node #0,0,2: 34:[58, 8] Operation: 64/8=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[8, 6], Operations: ['82-74=8', '64-58=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[58, 8], Operations: ['82-74=8', '64/8=8'] Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[58, 56], Operations: ['82-74=8', '64-8=56'] Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,34 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,34 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[74, 58, 18], Operations: ['82-64=18'] Exploring Operation: 58-18=40, Resulting Numbers: [74, 40] Generated Node #0,1,0: 34:[74, 40] Operation: 58-18=40 Exploring Operation: 74-18=56, Resulting Numbers: [58, 56] Generated Node #0,1,1: 34:[58, 56] Operation: 74-18=56 Exploring Operation: 74-58=16, Resulting Numbers: [18, 16] Generated Node #0,1,2: 34:[18, 16] Operation: 74-58=16 Moving to Node #0,1,2 Current State: 34:[18, 16], Operations: ['82-64=18', '74-58=16'] Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,34 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[64, 74, 58, 82], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [74, 58, 18] Generated Node #0,1: 34:[74, 58, 18] Operation: 82-64=18 Moving to Node #0,1 Current State: 34:[74, 58, 18], Operations: ['82-64=18'] Exploring Operation: 74-58=16, Resulting Numbers: [18, 16] Generated Node #0,1,2: 34:[18, 16] Operation: 74-58=16 Moving to Node #0,1,2 Current State: 34:[18, 16], Operations: ['82-64=18', '74-58=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 47, 55, 67, 36 ]
23
[ "55-47=8", "67-36=31", "31-8=23" ]
Current State: 23:[47, 55, 67, 36], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [67, 36, 8] Generated Node #2: [67, 36, 8] from Operation: 55-47=8 Current State: 23:[67, 36, 8], Operations: ['55-47=8'] Exploring Operation: 67-36=31, Resulting Numbers: [8, 31] Generated Node #3: [8, 31] from Operation: 67-36=31 Current State: 23:[8, 31], Operations: ['55-47=8', '67-36=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[47, 55, 67, 36], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [47, 36, 12] Generated Node #0,0: 23:[47, 36, 12] Operation: 67-55=12 Exploring Operation: 67-47=20, Resulting Numbers: [55, 36, 20] Generated Node #0,1: 23:[55, 36, 20] Operation: 67-47=20 Exploring Operation: 67-36=31, Resulting Numbers: [47, 55, 31] Generated Node #0,2: 23:[47, 55, 31] Operation: 67-36=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[47, 36, 12], Operations: ['67-55=12'] Exploring Operation: 36-12=24, Resulting Numbers: [47, 24] Generated Node #0,0,0: 23:[47, 24] Operation: 36-12=24 Exploring Operation: 47-36=11, Resulting Numbers: [12, 11] Generated Node #0,0,1: 23:[12, 11] Operation: 47-36=11 Exploring Operation: 47-12=35, Resulting Numbers: [36, 35] Generated Node #0,0,2: 23:[36, 35] Operation: 47-12=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[12, 11], Operations: ['67-55=12', '47-36=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,23 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[47, 55, 67, 36], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [47, 36, 12] Generated Node #0,0: 23:[47, 36, 12] Operation: 67-55=12 Moving to Node #0,0 Current State: 23:[47, 36, 12], Operations: ['67-55=12'] Exploring Operation: 47-36=11, Resulting Numbers: [12, 11] Generated Node #0,0,1: 23:[12, 11] Operation: 47-36=11 Moving to Node #0,0,1 Current State: 23:[12, 11], Operations: ['67-55=12', '47-36=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 9, 27, 57, 69 ]
90
[ "9+27=36", "57+69=126", "126-36=90" ]
Current State: 90:[9, 27, 57, 69], Operations: [] Exploring Operation: 9+27=36, Resulting Numbers: [57, 69, 36] Generated Node #2: [57, 69, 36] from Operation: 9+27=36 Current State: 90:[57, 69, 36], Operations: ['9+27=36'] Exploring Operation: 57+69=126, Resulting Numbers: [36, 126] Generated Node #3: [36, 126] from Operation: 57+69=126 Current State: 90:[36, 126], Operations: ['9+27=36', '57+69=126'] Exploring Operation: 126-36=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[9, 27, 57, 69], Operations: [] Exploring Operation: 69-27=42, Resulting Numbers: [9, 57, 42] Generated Node #0,0: 90:[9, 57, 42] Operation: 69-27=42 Exploring Operation: 69-57=12, Resulting Numbers: [9, 27, 12] Generated Node #0,1: 90:[9, 27, 12] Operation: 69-57=12 Exploring Operation: 27+69=96, Resulting Numbers: [9, 57, 96] Generated Node #0,2: 90:[9, 57, 96] Operation: 27+69=96 Exploring Operation: 57-27=30, Resulting Numbers: [9, 69, 30] Generated Node #0,3: 90:[9, 69, 30] Operation: 57-27=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[9, 27, 12], Operations: ['69-57=12'] Exploring Operation: 27-9=18, Resulting Numbers: [12, 18] Generated Node #0,1,0: 90:[12, 18] Operation: 27-9=18 Exploring Operation: 27-12=15, Resulting Numbers: [9, 15] Generated Node #0,1,1: 90:[9, 15] Operation: 27-12=15 Exploring Operation: 12-9=3, Resulting Numbers: [27, 3] Generated Node #0,1,2: 90:[27, 3] Operation: 12-9=3 Exploring Operation: 27/9=3, Resulting Numbers: [12, 3] Generated Node #0,1,3: 90:[12, 3] Operation: 27/9=3 Moving to Node #0,1,1 Current State: 90:[9, 15], Operations: ['69-57=12', '27-12=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[12, 3], Operations: ['69-57=12', '27/9=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[12, 18], Operations: ['69-57=12', '27-9=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[27, 3], Operations: ['69-57=12', '12-9=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,90 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[9, 57, 42], Operations: ['69-27=42'] Exploring Operation: 42-9=33, Resulting Numbers: [57, 33] Generated Node #0,0,0: 90:[57, 33] Operation: 42-9=33 Exploring Operation: 57+42=99, Resulting Numbers: [9, 99] Generated Node #0,0,1: 90:[9, 99] Operation: 57+42=99 Exploring Operation: 57-42=15, Resulting Numbers: [9, 15] Generated Node #0,0,2: 90:[9, 15] Operation: 57-42=15 Exploring Operation: 57-9=48, Resulting Numbers: [42, 48] Generated Node #0,0,3: 90:[42, 48] Operation: 57-9=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[9, 15], Operations: ['69-27=42', '57-42=15'] Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[42, 48], Operations: ['69-27=42', '57-9=48'] Exploring Operation: 42*48=2016, Resulting Numbers: [2016] 2016,90 unequal: No Solution Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[9, 27, 57, 69], Operations: [] Exploring Operation: 69-27=42, Resulting Numbers: [9, 57, 42] Generated Node #0,0: 90:[9, 57, 42] Operation: 69-27=42 Moving to Node #0,0 Current State: 90:[9, 57, 42], Operations: ['69-27=42'] Exploring Operation: 57-9=48, Resulting Numbers: [42, 48] Generated Node #0,0,3: 90:[42, 48] Operation: 57-9=48 Moving to Node #0,0,3 Current State: 90:[42, 48], Operations: ['69-27=42', '57-9=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 24, 69, 9, 12 ]
61
[ "12-9=3", "24/3=8", "69-8=61" ]
Current State: 61:[24, 69, 9, 12], Operations: [] Exploring Operation: 12-9=3, Resulting Numbers: [24, 69, 3] Generated Node #2: [24, 69, 3] from Operation: 12-9=3 Current State: 61:[24, 69, 3], Operations: ['12-9=3'] Exploring Operation: 24/3=8, Resulting Numbers: [69, 8] Generated Node #3: [69, 8] from Operation: 24/3=8 Current State: 61:[69, 8], Operations: ['12-9=3', '24/3=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[24, 69, 9, 12], Operations: [] Exploring Operation: 24+12=36, Resulting Numbers: [69, 9, 36] Generated Node #0,0: 61:[69, 9, 36] Operation: 24+12=36 Exploring Operation: 24+9=33, Resulting Numbers: [69, 12, 33] Generated Node #0,1: 61:[69, 12, 33] Operation: 24+9=33 Exploring Operation: 69-9=60, Resulting Numbers: [24, 12, 60] Generated Node #0,2: 61:[24, 12, 60] Operation: 69-9=60 Exploring Operation: 9+12=21, Resulting Numbers: [24, 69, 21] Generated Node #0,3: 61:[24, 69, 21] Operation: 9+12=21 Exploring Operation: 9*12=108, Resulting Numbers: [24, 69, 108] Generated Node #0,4: 61:[24, 69, 108] Operation: 9*12=108 Moving to Node #0,0 Current State: 61:[69, 9, 36], Operations: ['24+12=36'] Exploring Operation: 69+9=78, Resulting Numbers: [36, 78] Generated Node #0,0,0: 61:[36, 78] Operation: 69+9=78 Exploring Operation: 9+36=45, Resulting Numbers: [69, 45] Generated Node #0,0,1: 61:[69, 45] Operation: 9+36=45 Exploring Operation: 36-9=27, Resulting Numbers: [69, 27] Generated Node #0,0,2: 61:[69, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [69, 4] Generated Node #0,0,3: 61:[69, 4] Operation: 36/9=4 Exploring Operation: 69-9=60, Resulting Numbers: [36, 60] Generated Node #0,0,4: 61:[36, 60] Operation: 69-9=60 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[69, 45], Operations: ['24+12=36', '9+36=45'] Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,61 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 61:[36, 60], Operations: ['24+12=36', '69-9=60'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,61 unequal: No Solution Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[36, 78], Operations: ['24+12=36', '69+9=78'] Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,61 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[69, 27], Operations: ['24+12=36', '36-9=27'] Exploring Operation: 69*27=1863, Resulting Numbers: [1863] 1863,61 unequal: No Solution Exploring Operation: 69+27=96, Resulting Numbers: [96] 96,61 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[69, 4], Operations: ['24+12=36', '36/9=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,61 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 61:[24, 69, 21], Operations: ['9+12=21'] Exploring Operation: 69+21=90, Resulting Numbers: [24, 90] Generated Node #0,3,0: 61:[24, 90] Operation: 69+21=90 Exploring Operation: 69-21=48, Resulting Numbers: [24, 48] Generated Node #0,3,1: 61:[24, 48] Operation: 69-21=48 Exploring Operation: 24+21=45, Resulting Numbers: [69, 45] Generated Node #0,3,2: 61:[69, 45] Operation: 24+21=45 Exploring Operation: 69-24=45, Resulting Numbers: [21, 45] Generated Node #0,3,3: 61:[21, 45] Operation: 69-24=45 Exploring Operation: 24-21=3, Resulting Numbers: [69, 3] Generated Node #0,3,4: 61:[69, 3] Operation: 24-21=3 Moving to Node #0,1 Current State: 61:[69, 12, 33], Operations: ['24+9=33'] Exploring Operation: 69+12=81, Resulting Numbers: [33, 81] Generated Node #0,1,0: 61:[33, 81] Operation: 69+12=81 Exploring Operation: 12+33=45, Resulting Numbers: [69, 45] Generated Node #0,1,1: 61:[69, 45] Operation: 12+33=45 Exploring Operation: 69-33=36, Resulting Numbers: [12, 36] Generated Node #0,1,2: 61:[12, 36] Operation: 69-33=36 Exploring Operation: 33-12=21, Resulting Numbers: [69, 21] Generated Node #0,1,3: 61:[69, 21] Operation: 33-12=21 Exploring Operation: 69-12=57, Resulting Numbers: [33, 57] Generated Node #0,1,4: 61:[33, 57] Operation: 69-12=57 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[69, 45], Operations: ['24+9=33', '12+33=45'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,61 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 61:[33, 57], Operations: ['24+9=33', '69-12=57'] Exploring Operation: 33*57=1881, Resulting Numbers: [1881] 1881,61 unequal: No Solution Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[33, 81], Operations: ['24+9=33', '69+12=81'] Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 33+81=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 33*81=2673, Resulting Numbers: [2673] 2673,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[69, 21], Operations: ['24+9=33', '33-12=21'] Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[12, 36], Operations: ['24+9=33', '69-33=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,61 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 61:[24, 12, 60], Operations: ['69-9=60'] Exploring Operation: 24/12=2, Resulting Numbers: [60, 2] Generated Node #0,2,0: 61:[60, 2] Operation: 24/12=2 Exploring Operation: 12+60=72, Resulting Numbers: [24, 72] Generated Node #0,2,1: 61:[24, 72] Operation: 12+60=72 Exploring Operation: 24+12=36, Resulting Numbers: [60, 36] Generated Node #0,2,2: 61:[60, 36] Operation: 24+12=36 Exploring Operation: 24-12=12, Resulting Numbers: [60, 12] Generated Node #0,2,3: 61:[60, 12] Operation: 24-12=12 Exploring Operation: 60-12=48, Resulting Numbers: [24, 48] Generated Node #0,2,4: 61:[24, 48] Operation: 60-12=48 Moving to Node #0,4 Current State: 61:[24, 69, 108], Operations: ['9*12=108'] Exploring Operation: 24+69=93, Resulting Numbers: [108, 93] Generated Node #0,4,0: 61:[108, 93] Operation: 24+69=93 Exploring Operation: 24+108=132, Resulting Numbers: [69, 132] Generated Node #0,4,1: 61:[69, 132] Operation: 24+108=132 Exploring Operation: 108-24=84, Resulting Numbers: [69, 84] Generated Node #0,4,2: 61:[69, 84] Operation: 108-24=84 Exploring Operation: 108-69=39, Resulting Numbers: [24, 39] Generated Node #0,4,3: 61:[24, 39] Operation: 108-69=39 Exploring Operation: 69-24=45, Resulting Numbers: [108, 45] Generated Node #0,4,4: 61:[108, 45] Operation: 69-24=45 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 61:[69, 84], Operations: ['9*12=108', '108-24=84'] Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,61 unequal: No Solution Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 61:[24, 39], Operations: ['9*12=108', '108-69=39'] Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,61 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 61:[108, 45], Operations: ['9*12=108', '69-24=45'] Exploring Operation: 108+45=153, Resulting Numbers: [153] 153,61 unequal: No Solution Exploring Operation: 108*45=4860, Resulting Numbers: [4860] 4860,61 unequal: No Solution Exploring Operation: 108-45=63, Resulting Numbers: [63] 63,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 61:[108, 93], Operations: ['9*12=108', '24+69=93'] Exploring Operation: 108+93=201, Resulting Numbers: [201] 201,61 unequal: No Solution Exploring Operation: 108-93=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 108*93=10044, Resulting Numbers: [10044] 10044,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 61:[69, 132], Operations: ['9*12=108', '24+108=132'] Exploring Operation: 69+132=201, Resulting Numbers: [201] 201,61 unequal: No Solution Exploring Operation: 132-69=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 69*132=9108, Resulting Numbers: [9108] 9108,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 61:[69, 45], Operations: ['9+12=21', '24+21=45'] Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,61 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[60, 36], Operations: ['69-9=60', '24+12=36'] Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,61 unequal: No Solution Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,61 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[24, 72], Operations: ['69-9=60', '12+60=72'] Exploring Operation: 24*72=1728, Resulting Numbers: [1728] 1728,61 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,61 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[24, 48], Operations: ['69-9=60', '60-12=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,61 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[24, 48], Operations: ['9+12=21', '69-21=48'] Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,61 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[60, 12], Operations: ['69-9=60', '24-12=12'] Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 60*12=720, Resulting Numbers: [720] 720,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[21, 45], Operations: ['9+12=21', '69-24=45'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 21*45=945, Resulting Numbers: [945] 945,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[60, 2], Operations: ['69-9=60', '24/12=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,61 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[69, 3], Operations: ['9+12=21', '24-21=3'] Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,61 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,61 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[24, 90], Operations: ['9+12=21', '69+21=90'] Exploring Operation: 24+90=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 24*90=2160, Resulting Numbers: [2160] 2160,61 unequal: No Solution Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,61 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 82, 40, 3, 64 ]
34
[ "82-64=18", "18/3=6", "40-6=34" ]
Current State: 34:[82, 40, 3, 64], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [40, 3, 18] Generated Node #2: [40, 3, 18] from Operation: 82-64=18 Current State: 34:[40, 3, 18], Operations: ['82-64=18'] Exploring Operation: 18/3=6, Resulting Numbers: [40, 6] Generated Node #3: [40, 6] from Operation: 18/3=6 Current State: 34:[40, 6], Operations: ['82-64=18', '18/3=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[82, 40, 3, 64], Operations: [] Exploring Operation: 64-40=24, Resulting Numbers: [82, 3, 24] Generated Node #0,0: 34:[82, 3, 24] Operation: 64-40=24 Exploring Operation: 82-64=18, Resulting Numbers: [40, 3, 18] Generated Node #0,1: 34:[40, 3, 18] Operation: 82-64=18 Exploring Operation: 82-40=42, Resulting Numbers: [3, 64, 42] Generated Node #0,2: 34:[3, 64, 42] Operation: 82-40=42 Moving to Node #0,1 Current State: 34:[40, 3, 18], Operations: ['82-64=18'] Exploring Operation: 40-3=37, Resulting Numbers: [18, 37] Generated Node #0,1,0: 34:[18, 37] Operation: 40-3=37 Exploring Operation: 40-18=22, Resulting Numbers: [3, 22] Generated Node #0,1,1: 34:[3, 22] Operation: 40-18=22 Exploring Operation: 18-3=15, Resulting Numbers: [40, 15] Generated Node #0,1,2: 34:[40, 15] Operation: 18-3=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[18, 37], Operations: ['82-64=18', '40-3=37'] Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,34 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[3, 22], Operations: ['82-64=18', '40-18=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[40, 15], Operations: ['82-64=18', '18-3=15'] Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,34 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 34:[3, 64, 42], Operations: ['82-40=42'] Exploring Operation: 64-42=22, Resulting Numbers: [3, 22] Generated Node #0,2,0: 34:[3, 22] Operation: 64-42=22 Exploring Operation: 64-3=61, Resulting Numbers: [42, 61] Generated Node #0,2,1: 34:[42, 61] Operation: 64-3=61 Exploring Operation: 42/3=14, Resulting Numbers: [64, 14] Generated Node #0,2,2: 34:[64, 14] Operation: 42/3=14 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[3, 22], Operations: ['82-40=42', '64-42=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[64, 14], Operations: ['82-40=42', '42/3=14'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,34 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[42, 61], Operations: ['82-40=42', '64-3=61'] Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 42*61=2562, Resulting Numbers: [2562] 2562,34 unequal: No Solution Exploring Operation: 42+61=103, Resulting Numbers: [103] 103,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[82, 3, 24], Operations: ['64-40=24'] Exploring Operation: 24-3=21, Resulting Numbers: [82, 21] Generated Node #0,0,0: 34:[82, 21] Operation: 24-3=21 Exploring Operation: 82-3=79, Resulting Numbers: [24, 79] Generated Node #0,0,1: 34:[24, 79] Operation: 82-3=79 Exploring Operation: 82-24=58, Resulting Numbers: [3, 58] Generated Node #0,0,2: 34:[3, 58] Operation: 82-24=58 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[3, 58], Operations: ['64-40=24', '82-24=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[82, 21], Operations: ['64-40=24', '24-3=21'] Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,34 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,34 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[24, 79], Operations: ['64-40=24', '82-3=79'] Exploring Operation: 24+79=103, Resulting Numbers: [103] 103,34 unequal: No Solution Exploring Operation: 79-24=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 24*79=1896, Resulting Numbers: [1896] 1896,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 63, 25, 30, 85 ]
17
[ "63-25=38", "85-30=55", "55-38=17" ]
Current State: 17:[63, 25, 30, 85], Operations: [] Exploring Operation: 63-25=38, Resulting Numbers: [30, 85, 38] Generated Node #2: [30, 85, 38] from Operation: 63-25=38 Current State: 17:[30, 85, 38], Operations: ['63-25=38'] Exploring Operation: 85-30=55, Resulting Numbers: [38, 55] Generated Node #3: [38, 55] from Operation: 85-30=55 Current State: 17:[38, 55], Operations: ['63-25=38', '85-30=55'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[63, 25, 30, 85], Operations: [] Exploring Operation: 63-30=33, Resulting Numbers: [25, 85, 33] Generated Node #0,0: 17:[25, 85, 33] Operation: 63-30=33 Exploring Operation: 85-63=22, Resulting Numbers: [25, 30, 22] Generated Node #0,1: 17:[25, 30, 22] Operation: 85-63=22 Exploring Operation: 85-30=55, Resulting Numbers: [63, 25, 55] Generated Node #0,2: 17:[63, 25, 55] Operation: 85-30=55 Moving to Node #0,1 Current State: 17:[25, 30, 22], Operations: ['85-63=22'] Exploring Operation: 25-22=3, Resulting Numbers: [30, 3] Generated Node #0,1,0: 17:[30, 3] Operation: 25-22=3 Exploring Operation: 30-22=8, Resulting Numbers: [25, 8] Generated Node #0,1,1: 17:[25, 8] Operation: 30-22=8 Exploring Operation: 30-25=5, Resulting Numbers: [22, 5] Generated Node #0,1,2: 17:[22, 5] Operation: 30-25=5 Moving to Node #0,0 Current State: 17:[25, 85, 33], Operations: ['63-30=33'] Exploring Operation: 85-33=52, Resulting Numbers: [25, 52] Generated Node #0,0,0: 17:[25, 52] Operation: 85-33=52 Exploring Operation: 33-25=8, Resulting Numbers: [85, 8] Generated Node #0,0,1: 17:[85, 8] Operation: 33-25=8 Exploring Operation: 85-25=60, Resulting Numbers: [33, 60] Generated Node #0,0,2: 17:[33, 60] Operation: 85-25=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[25, 52], Operations: ['63-30=33', '85-33=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,17 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[33, 60], Operations: ['63-30=33', '85-25=60'] Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 33+60=93, Resulting Numbers: [93] 93,17 unequal: No Solution Exploring Operation: 33*60=1980, Resulting Numbers: [1980] 1980,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[85, 8], Operations: ['63-30=33', '33-25=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,17 unequal: No Solution Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,17 unequal: No Solution Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[63, 25, 55], Operations: ['85-30=55'] Exploring Operation: 63-25=38, Resulting Numbers: [55, 38] Generated Node #0,2,0: 17:[55, 38] Operation: 63-25=38 Exploring Operation: 63-55=8, Resulting Numbers: [25, 8] Generated Node #0,2,1: 17:[25, 8] Operation: 63-55=8 Exploring Operation: 55-25=30, Resulting Numbers: [63, 30] Generated Node #0,2,2: 17:[63, 30] Operation: 55-25=30 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[25, 8], Operations: ['85-30=55', '63-55=8'] Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,17 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,17 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[63, 25, 30, 85], Operations: [] Exploring Operation: 85-30=55, Resulting Numbers: [63, 25, 55] Generated Node #0,2: 17:[63, 25, 55] Operation: 85-30=55 Moving to Node #0,2 Current State: 17:[63, 25, 55], Operations: ['85-30=55'] Exploring Operation: 63-55=8, Resulting Numbers: [25, 8] Generated Node #0,2,1: 17:[25, 8] Operation: 63-55=8 Moving to Node #0,2,1 Current State: 17:[25, 8], Operations: ['85-30=55', '63-55=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 56, 6, 89, 87 ]
97
[ "87-56=31", "6*31=186", "186-89=97" ]
Current State: 97:[56, 6, 89, 87], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [6, 89, 31] Generated Node #2: [6, 89, 31] from Operation: 87-56=31 Current State: 97:[6, 89, 31], Operations: ['87-56=31'] Exploring Operation: 6*31=186, Resulting Numbers: [89, 186] Generated Node #3: [89, 186] from Operation: 6*31=186 Current State: 97:[89, 186], Operations: ['87-56=31', '6*31=186'] Exploring Operation: 186-89=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[56, 6, 89, 87], Operations: [] Exploring Operation: 56-6=50, Resulting Numbers: [89, 87, 50] Generated Node #0,0: 97:[89, 87, 50] Operation: 56-6=50 Exploring Operation: 56+6=62, Resulting Numbers: [89, 87, 62] Generated Node #0,1: 97:[89, 87, 62] Operation: 56+6=62 Exploring Operation: 89-6=83, Resulting Numbers: [56, 87, 83] Generated Node #0,2: 97:[56, 87, 83] Operation: 89-6=83 Exploring Operation: 6+89=95, Resulting Numbers: [56, 87, 95] Generated Node #0,3: 97:[56, 87, 95] Operation: 6+89=95 Exploring Operation: 6+87=93, Resulting Numbers: [56, 89, 93] Generated Node #0,4: 97:[56, 89, 93] Operation: 6+87=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[89, 87, 62], Operations: ['56+6=62'] Exploring Operation: 87-62=25, Resulting Numbers: [89, 25] Generated Node #0,1,0: 97:[89, 25] Operation: 87-62=25 Exploring Operation: 89+87=176, Resulting Numbers: [62, 176] Generated Node #0,1,1: 97:[62, 176] Operation: 89+87=176 Exploring Operation: 89-62=27, Resulting Numbers: [87, 27] Generated Node #0,1,2: 97:[87, 27] Operation: 89-62=27 Exploring Operation: 89+62=151, Resulting Numbers: [87, 151] Generated Node #0,1,3: 97:[87, 151] Operation: 89+62=151 Exploring Operation: 87+62=149, Resulting Numbers: [89, 149] Generated Node #0,1,4: 97:[89, 149] Operation: 87+62=149 Moving to Node #0,1,4 Current State: 97:[89, 149], Operations: ['56+6=62', '87+62=149'] Exploring Operation: 89*149=13261, Resulting Numbers: [13261] 13261,97 unequal: No Solution Exploring Operation: 149-89=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 89+149=238, Resulting Numbers: [238] 238,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[87, 151], Operations: ['56+6=62', '89+62=151'] Exploring Operation: 151-87=64, Resulting Numbers: [64] 64,97 unequal: No Solution Exploring Operation: 87+151=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 87*151=13137, Resulting Numbers: [13137] 13137,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[89, 25], Operations: ['56+6=62', '87-62=25'] Exploring Operation: 89+25=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 89*25=2225, Resulting Numbers: [2225] 2225,97 unequal: No Solution Exploring Operation: 89-25=64, Resulting Numbers: [64] 64,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[87, 27], Operations: ['56+6=62', '89-62=27'] Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[62, 176], Operations: ['56+6=62', '89+87=176'] Exploring Operation: 62*176=10912, Resulting Numbers: [10912] 10912,97 unequal: No Solution Exploring Operation: 62+176=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 176-62=114, Resulting Numbers: [114] 114,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[56, 87, 95], Operations: ['6+89=95'] Exploring Operation: 56+87=143, Resulting Numbers: [95, 143] Generated Node #0,3,0: 97:[95, 143] Operation: 56+87=143 Exploring Operation: 87+95=182, Resulting Numbers: [56, 182] Generated Node #0,3,1: 97:[56, 182] Operation: 87+95=182 Exploring Operation: 56+95=151, Resulting Numbers: [87, 151] Generated Node #0,3,2: 97:[87, 151] Operation: 56+95=151 Exploring Operation: 95-56=39, Resulting Numbers: [87, 39] Generated Node #0,3,3: 97:[87, 39] Operation: 95-56=39 Exploring Operation: 87-56=31, Resulting Numbers: [95, 31] Generated Node #0,3,4: 97:[95, 31] Operation: 87-56=31 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[95, 143], Operations: ['6+89=95', '56+87=143'] Exploring Operation: 95+143=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 143-95=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 95*143=13585, Resulting Numbers: [13585] 13585,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[87, 151], Operations: ['6+89=95', '56+95=151'] Exploring Operation: 87*151=13137, Resulting Numbers: [13137] 13137,97 unequal: No Solution Exploring Operation: 87+151=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 151-87=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[87, 39], Operations: ['6+89=95', '95-56=39'] Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,97 unequal: No Solution Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 97:[95, 31], Operations: ['6+89=95', '87-56=31'] Exploring Operation: 95+31=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 95*31=2945, Resulting Numbers: [2945] 2945,97 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[56, 182], Operations: ['6+89=95', '87+95=182'] Exploring Operation: 56+182=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 56*182=10192, Resulting Numbers: [10192] 10192,97 unequal: No Solution Exploring Operation: 182-56=126, Resulting Numbers: [126] 126,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 97:[56, 89, 93], Operations: ['6+87=93'] Exploring Operation: 89-56=33, Resulting Numbers: [93, 33] Generated Node #0,4,0: 97:[93, 33] Operation: 89-56=33 Exploring Operation: 93-56=37, Resulting Numbers: [89, 37] Generated Node #0,4,1: 97:[89, 37] Operation: 93-56=37 Exploring Operation: 89+93=182, Resulting Numbers: [56, 182] Generated Node #0,4,2: 97:[56, 182] Operation: 89+93=182 Exploring Operation: 56+89=145, Resulting Numbers: [93, 145] Generated Node #0,4,3: 97:[93, 145] Operation: 56+89=145 Exploring Operation: 56+93=149, Resulting Numbers: [89, 149] Generated Node #0,4,4: 97:[89, 149] Operation: 56+93=149 Moving to Node #0,4,3 Current State: 97:[93, 145], Operations: ['6+87=93', '56+89=145'] Exploring Operation: 93+145=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 145-93=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 93*145=13485, Resulting Numbers: [13485] 13485,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[89, 149], Operations: ['6+87=93', '56+93=149'] Exploring Operation: 149-89=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 89+149=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 89*149=13261, Resulting Numbers: [13261] 13261,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[93, 33], Operations: ['6+87=93', '89-56=33'] Exploring Operation: 93*33=3069, Resulting Numbers: [3069] 3069,97 unequal: No Solution Exploring Operation: 93+33=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[89, 37], Operations: ['6+87=93', '93-56=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[56, 182], Operations: ['6+87=93', '89+93=182'] Exploring Operation: 56+182=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 182-56=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 56*182=10192, Resulting Numbers: [10192] 10192,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[89, 87, 50], Operations: ['56-6=50'] Exploring Operation: 87-50=37, Resulting Numbers: [89, 37] Generated Node #0,0,0: 97:[89, 37] Operation: 87-50=37 Exploring Operation: 89+50=139, Resulting Numbers: [87, 139] Generated Node #0,0,1: 97:[87, 139] Operation: 89+50=139 Exploring Operation: 89+87=176, Resulting Numbers: [50, 176] Generated Node #0,0,2: 97:[50, 176] Operation: 89+87=176 Exploring Operation: 89-50=39, Resulting Numbers: [87, 39] Generated Node #0,0,3: 97:[87, 39] Operation: 89-50=39 Exploring Operation: 87+50=137, Resulting Numbers: [89, 137] Generated Node #0,0,4: 97:[89, 137] Operation: 87+50=137 Moving to Node #0,0,4 Current State: 97:[89, 137], Operations: ['56-6=50', '87+50=137'] Exploring Operation: 89*137=12193, Resulting Numbers: [12193] 12193,97 unequal: No Solution Exploring Operation: 137-89=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 89+137=226, Resulting Numbers: [226] 226,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[87, 139], Operations: ['56-6=50', '89+50=139'] Exploring Operation: 87*139=12093, Resulting Numbers: [12093] 12093,97 unequal: No Solution Exploring Operation: 139-87=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 87+139=226, Resulting Numbers: [226] 226,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[89, 37], Operations: ['56-6=50', '87-50=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[87, 39], Operations: ['56-6=50', '89-50=39'] Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,97 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[50, 176], Operations: ['56-6=50', '89+87=176'] Exploring Operation: 50+176=226, Resulting Numbers: [226] 226,97 unequal: No Solution Exploring Operation: 176-50=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 50*176=8800, Resulting Numbers: [8800] 8800,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[56, 87, 83], Operations: ['89-6=83'] Exploring Operation: 56+87=143, Resulting Numbers: [83, 143] Generated Node #0,2,0: 97:[83, 143] Operation: 56+87=143 Exploring Operation: 56+83=139, Resulting Numbers: [87, 139] Generated Node #0,2,1: 97:[87, 139] Operation: 56+83=139 Exploring Operation: 87+83=170, Resulting Numbers: [56, 170] Generated Node #0,2,2: 97:[56, 170] Operation: 87+83=170 Exploring Operation: 83-56=27, Resulting Numbers: [87, 27] Generated Node #0,2,3: 97:[87, 27] Operation: 83-56=27 Exploring Operation: 87-56=31, Resulting Numbers: [83, 31] Generated Node #0,2,4: 97:[83, 31] Operation: 87-56=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[87, 139], Operations: ['89-6=83', '56+83=139'] Exploring Operation: 139-87=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 87*139=12093, Resulting Numbers: [12093] 12093,97 unequal: No Solution Exploring Operation: 87+139=226, Resulting Numbers: [226] 226,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[83, 143], Operations: ['89-6=83', '56+87=143'] Exploring Operation: 143-83=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 83*143=11869, Resulting Numbers: [11869] 11869,97 unequal: No Solution Exploring Operation: 83+143=226, Resulting Numbers: [226] 226,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[87, 27], Operations: ['89-6=83', '83-56=27'] Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,97 unequal: No Solution Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 97:[83, 31], Operations: ['89-6=83', '87-56=31'] Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,97 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[56, 170], Operations: ['89-6=83', '87+83=170'] Exploring Operation: 56+170=226, Resulting Numbers: [226] 226,97 unequal: No Solution Exploring Operation: 170-56=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 56*170=9520, Resulting Numbers: [9520] 9520,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 3, 82, 12, 33 ]
100
[ "82-3=79", "33-12=21", "79+21=100" ]
Current State: 100:[3, 82, 12, 33], Operations: [] Exploring Operation: 82-3=79, Resulting Numbers: [12, 33, 79] Generated Node #2: [12, 33, 79] from Operation: 82-3=79 Current State: 100:[12, 33, 79], Operations: ['82-3=79'] Exploring Operation: 33-12=21, Resulting Numbers: [79, 21] Generated Node #3: [79, 21] from Operation: 33-12=21 Current State: 100:[79, 21], Operations: ['82-3=79', '33-12=21'] Exploring Operation: 79+21=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[3, 82, 12, 33], Operations: [] Exploring Operation: 33-12=21, Resulting Numbers: [3, 82, 21] Generated Node #0,0: 100:[3, 82, 21] Operation: 33-12=21 Exploring Operation: 82-33=49, Resulting Numbers: [3, 12, 49] Generated Node #0,1: 100:[3, 12, 49] Operation: 82-33=49 Exploring Operation: 82+12=94, Resulting Numbers: [3, 33, 94] Generated Node #0,2: 100:[3, 33, 94] Operation: 82+12=94 Exploring Operation: 82+33=115, Resulting Numbers: [3, 12, 115] Generated Node #0,3: 100:[3, 12, 115] Operation: 82+33=115 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[3, 12, 49], Operations: ['82-33=49'] Exploring Operation: 3+49=52, Resulting Numbers: [12, 52] Generated Node #0,1,0: 100:[12, 52] Operation: 3+49=52 Exploring Operation: 12-3=9, Resulting Numbers: [49, 9] Generated Node #0,1,1: 100:[49, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [49, 4] Generated Node #0,1,2: 100:[49, 4] Operation: 12/3=4 Exploring Operation: 3+12=15, Resulting Numbers: [49, 15] Generated Node #0,1,3: 100:[49, 15] Operation: 3+12=15 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[49, 4], Operations: ['82-33=49', '12/3=4'] Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,100 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[49, 9], Operations: ['82-33=49', '12-3=9'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,100 unequal: No Solution Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,100 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[12, 52], Operations: ['82-33=49', '3+49=52'] Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,100 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,100 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 100:[49, 15], Operations: ['82-33=49', '3+12=15'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[3, 33, 94], Operations: ['82+12=94'] Exploring Operation: 33/3=11, Resulting Numbers: [94, 11] Generated Node #0,2,0: 100:[94, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [94, 30] Generated Node #0,2,1: 100:[94, 30] Operation: 33-3=30 Exploring Operation: 3+94=97, Resulting Numbers: [33, 97] Generated Node #0,2,2: 100:[33, 97] Operation: 3+94=97 Exploring Operation: 3*33=99, Resulting Numbers: [94, 99] Generated Node #0,2,3: 100:[94, 99] Operation: 3*33=99 Moving to Node #0,2,0 Current State: 100:[94, 11], Operations: ['82+12=94', '33/3=11'] Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,100 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,100 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[94, 99], Operations: ['82+12=94', '3*33=99'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,100 unequal: No Solution Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[33, 97], Operations: ['82+12=94', '3+94=97'] Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,100 unequal: No Solution Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[94, 30], Operations: ['82+12=94', '33-3=30'] Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,100 unequal: No Solution Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[3, 12, 115], Operations: ['82+33=115'] Exploring Operation: 115-3=112, Resulting Numbers: [12, 112] Generated Node #0,3,0: 100:[12, 112] Operation: 115-3=112 Exploring Operation: 115-12=103, Resulting Numbers: [3, 103] Generated Node #0,3,1: 100:[3, 103] Operation: 115-12=103 Exploring Operation: 12/3=4, Resulting Numbers: [115, 4] Generated Node #0,3,2: 100:[115, 4] Operation: 12/3=4 Exploring Operation: 12-3=9, Resulting Numbers: [115, 9] Generated Node #0,3,3: 100:[115, 9] Operation: 12-3=9 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[3, 103], Operations: ['82+33=115', '115-12=103'] Exploring Operation: 3*103=309, Resulting Numbers: [309] 309,100 unequal: No Solution Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[3, 82, 12, 33], Operations: [] Exploring Operation: 82+33=115, Resulting Numbers: [3, 12, 115] Generated Node #0,3: 100:[3, 12, 115] Operation: 82+33=115 Moving to Node #0,3 Current State: 100:[3, 12, 115], Operations: ['82+33=115'] Exploring Operation: 115-12=103, Resulting Numbers: [3, 103] Generated Node #0,3,1: 100:[3, 103] Operation: 115-12=103 Moving to Node #0,3,1 Current State: 100:[3, 103], Operations: ['82+33=115', '115-12=103'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 42, 84, 28, 44 ]
90
[ "84/28=3", "44*3=132", "132-42=90" ]
Current State: 90:[42, 84, 28, 44], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [42, 44, 3] Generated Node #2: [42, 44, 3] from Operation: 84/28=3 Current State: 90:[42, 44, 3], Operations: ['84/28=3'] Exploring Operation: 44*3=132, Resulting Numbers: [42, 132] Generated Node #3: [42, 132] from Operation: 44*3=132 Current State: 90:[42, 132], Operations: ['84/28=3', '44*3=132'] Exploring Operation: 132-42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[42, 84, 28, 44], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [84, 44, 14] Generated Node #0,0: 90:[84, 44, 14] Operation: 42-28=14 Exploring Operation: 44-42=2, Resulting Numbers: [84, 28, 2] Generated Node #0,1: 90:[84, 28, 2] Operation: 44-42=2 Exploring Operation: 84-42=42, Resulting Numbers: [28, 44, 42] Generated Node #0,2: 90:[28, 44, 42] Operation: 84-42=42 Exploring Operation: 84/42=2, Resulting Numbers: [28, 44, 2] Generated Node #0,3: 90:[28, 44, 2] Operation: 84/42=2 Exploring Operation: 84/28=3, Resulting Numbers: [42, 44, 3] Generated Node #0,4: 90:[42, 44, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[28, 44, 2], Operations: ['84/42=2'] Exploring Operation: 44+2=46, Resulting Numbers: [28, 46] Generated Node #0,3,0: 90:[28, 46] Operation: 44+2=46 Exploring Operation: 28+2=30, Resulting Numbers: [44, 30] Generated Node #0,3,1: 90:[44, 30] Operation: 28+2=30 Exploring Operation: 44*2=88, Resulting Numbers: [28, 88] Generated Node #0,3,2: 90:[28, 88] Operation: 44*2=88 Exploring Operation: 28/2=14, Resulting Numbers: [44, 14] Generated Node #0,3,3: 90:[44, 14] Operation: 28/2=14 Exploring Operation: 44-28=16, Resulting Numbers: [2, 16] Generated Node #0,3,4: 90:[2, 16] Operation: 44-28=16 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[44, 30], Operations: ['84/42=2', '28+2=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,90 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[2, 16], Operations: ['84/42=2', '44-28=16'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[44, 14], Operations: ['84/42=2', '28/2=14'] Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[28, 46], Operations: ['84/42=2', '44+2=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,90 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[28, 88], Operations: ['84/42=2', '44*2=88'] Exploring Operation: 28*88=2464, Resulting Numbers: [2464] 2464,90 unequal: No Solution Exploring Operation: 28+88=116, Resulting Numbers: [116] 116,90 unequal: No Solution Exploring Operation: 88-28=60, Resulting Numbers: [60] 60,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[42, 44, 3], Operations: ['84/28=3'] Exploring Operation: 42+3=45, Resulting Numbers: [44, 45] Generated Node #0,4,0: 90:[44, 45] Operation: 42+3=45 Exploring Operation: 44-42=2, Resulting Numbers: [3, 2] Generated Node #0,4,1: 90:[3, 2] Operation: 44-42=2 Exploring Operation: 42/3=14, Resulting Numbers: [44, 14] Generated Node #0,4,2: 90:[44, 14] Operation: 42/3=14 Exploring Operation: 42+44=86, Resulting Numbers: [3, 86] Generated Node #0,4,3: 90:[3, 86] Operation: 42+44=86 Exploring Operation: 44+3=47, Resulting Numbers: [42, 47] Generated Node #0,4,4: 90:[42, 47] Operation: 44+3=47 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 90:[3, 2], Operations: ['84/28=3', '44-42=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 90:[44, 45], Operations: ['84/28=3', '42+3=45'] Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 90:[44, 14], Operations: ['84/28=3', '42/3=14'] Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,90 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[3, 86], Operations: ['84/28=3', '42+44=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 3*86=258, Resulting Numbers: [258] 258,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 90:[42, 47], Operations: ['84/28=3', '44+3=47'] Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,90 unequal: No Solution Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[28, 44, 42], Operations: ['84-42=42'] Exploring Operation: 44+42=86, Resulting Numbers: [28, 86] Generated Node #0,2,0: 90:[28, 86] Operation: 44+42=86 Exploring Operation: 42-28=14, Resulting Numbers: [44, 14] Generated Node #0,2,1: 90:[44, 14] Operation: 42-28=14 Exploring Operation: 44-28=16, Resulting Numbers: [42, 16] Generated Node #0,2,2: 90:[42, 16] Operation: 44-28=16 Exploring Operation: 44-42=2, Resulting Numbers: [28, 2] Generated Node #0,2,3: 90:[28, 2] Operation: 44-42=2 Exploring Operation: 28+44=72, Resulting Numbers: [42, 72] Generated Node #0,2,4: 90:[42, 72] Operation: 28+44=72 Moving to Node #0,2,1 Current State: 90:[44, 14], Operations: ['84-42=42', '42-28=14'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[28, 2], Operations: ['84-42=42', '44-42=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[42, 16], Operations: ['84-42=42', '44-28=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,90 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[28, 86], Operations: ['84-42=42', '44+42=86'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[42, 72], Operations: ['84-42=42', '28+44=72'] Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,90 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[84, 44, 14], Operations: ['42-28=14'] Exploring Operation: 84+14=98, Resulting Numbers: [44, 98] Generated Node #0,0,0: 90:[44, 98] Operation: 84+14=98 Exploring Operation: 84-44=40, Resulting Numbers: [14, 40] Generated Node #0,0,1: 90:[14, 40] Operation: 84-44=40 Exploring Operation: 44-14=30, Resulting Numbers: [84, 30] Generated Node #0,0,2: 90:[84, 30] Operation: 44-14=30 Exploring Operation: 44+14=58, Resulting Numbers: [84, 58] Generated Node #0,0,3: 90:[84, 58] Operation: 44+14=58 Exploring Operation: 84/14=6, Resulting Numbers: [44, 6] Generated Node #0,0,4: 90:[44, 6] Operation: 84/14=6 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 90:[44, 6], Operations: ['42-28=14', '84/14=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[14, 40], Operations: ['42-28=14', '84-44=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,90 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[84, 30], Operations: ['42-28=14', '44-14=30'] Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,90 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[44, 98], Operations: ['42-28=14', '84+14=98'] Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 44*98=4312, Resulting Numbers: [4312] 4312,90 unequal: No Solution Exploring Operation: 44+98=142, Resulting Numbers: [142] 142,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[84, 58], Operations: ['42-28=14', '44+14=58'] Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,90 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 84*58=4872, Resulting Numbers: [4872] 4872,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[84, 28, 2], Operations: ['44-42=2'] Exploring Operation: 28+2=30, Resulting Numbers: [84, 30] Generated Node #0,1,0: 90:[84, 30] Operation: 28+2=30 Exploring Operation: 84/2=42, Resulting Numbers: [28, 42] Generated Node #0,1,1: 90:[28, 42] Operation: 84/2=42 Exploring Operation: 28/2=14, Resulting Numbers: [84, 14] Generated Node #0,1,2: 90:[84, 14] Operation: 28/2=14 Exploring Operation: 84+2=86, Resulting Numbers: [28, 86] Generated Node #0,1,3: 90:[28, 86] Operation: 84+2=86 Exploring Operation: 84/28=3, Resulting Numbers: [2, 3] Generated Node #0,1,4: 90:[2, 3] Operation: 84/28=3 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 90:[2, 3], Operations: ['44-42=2', '84/28=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[28, 42], Operations: ['44-42=2', '84/2=42'] Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[84, 30], Operations: ['44-42=2', '28+2=30'] Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[28, 86], Operations: ['44-42=2', '84+2=86'] Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,90 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[84, 14], Operations: ['44-42=2', '28/2=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,90 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 25, 72, 69, 69 ]
46
[ "72-25=47", "69/69=1", "47-1=46" ]
Current State: 46:[25, 72, 69, 69], Operations: [] Exploring Operation: 72-25=47, Resulting Numbers: [69, 69, 47] Generated Node #2: [69, 69, 47] from Operation: 72-25=47 Current State: 46:[69, 69, 47], Operations: ['72-25=47'] Exploring Operation: 69/69=1, Resulting Numbers: [47, 1] Generated Node #3: [47, 1] from Operation: 69/69=1 Current State: 46:[47, 1], Operations: ['72-25=47', '69/69=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[25, 72, 69, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [25, 69, 3] Generated Node #0,0: 46:[25, 69, 3] Operation: 72-69=3 Exploring Operation: 72-69=3, Resulting Numbers: [25, 69, 3] Generated Node #0,1: 46:[25, 69, 3] Operation: 72-69=3 Exploring Operation: 69/69=1, Resulting Numbers: [25, 72, 1] Generated Node #0,2: 46:[25, 72, 1] Operation: 69/69=1 Exploring Operation: 72-25=47, Resulting Numbers: [69, 69, 47] Generated Node #0,3: 46:[69, 69, 47] Operation: 72-25=47 Exploring Operation: 69-69=0, Resulting Numbers: [25, 72, 0] Generated Node #0,4: 46:[25, 72, 0] Operation: 69-69=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[25, 69, 3], Operations: ['72-69=3'] Exploring Operation: 25+3=28, Resulting Numbers: [69, 28] Generated Node #0,0,0: 46:[69, 28] Operation: 25+3=28 Exploring Operation: 69-3=66, Resulting Numbers: [25, 66] Generated Node #0,0,1: 46:[25, 66] Operation: 69-3=66 Exploring Operation: 69-25=44, Resulting Numbers: [3, 44] Generated Node #0,0,2: 46:[3, 44] Operation: 69-25=44 Exploring Operation: 69/3=23, Resulting Numbers: [25, 23] Generated Node #0,0,3: 46:[25, 23] Operation: 69/3=23 Exploring Operation: 25-3=22, Resulting Numbers: [69, 22] Generated Node #0,0,4: 46:[69, 22] Operation: 25-3=22 Moving to Node #0,0,3 Current State: 46:[25, 23], Operations: ['72-69=3', '69/3=23'] Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,46 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[3, 44], Operations: ['72-69=3', '69-25=44'] Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,46 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[25, 66], Operations: ['72-69=3', '69-3=66'] Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,46 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,46 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[69, 22], Operations: ['72-69=3', '25-3=22'] Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 69*22=1518, Resulting Numbers: [1518] 1518,46 unequal: No Solution Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[69, 28], Operations: ['72-69=3', '25+3=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,46 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[25, 69, 3], Operations: ['72-69=3'] Exploring Operation: 25-3=22, Resulting Numbers: [69, 22] Generated Node #0,1,0: 46:[69, 22] Operation: 25-3=22 Exploring Operation: 25+3=28, Resulting Numbers: [69, 28] Generated Node #0,1,1: 46:[69, 28] Operation: 25+3=28 Exploring Operation: 69-25=44, Resulting Numbers: [3, 44] Generated Node #0,1,2: 46:[3, 44] Operation: 69-25=44 Exploring Operation: 69/3=23, Resulting Numbers: [25, 23] Generated Node #0,1,3: 46:[25, 23] Operation: 69/3=23 Exploring Operation: 69-3=66, Resulting Numbers: [25, 66] Generated Node #0,1,4: 46:[25, 66] Operation: 69-3=66 Moving to Node #0,1,3 Current State: 46:[25, 23], Operations: ['72-69=3', '69/3=23'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[3, 44], Operations: ['72-69=3', '69-25=44'] Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,46 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,46 unequal: No Solution Moving to Node #0,1,4 Current State: 46:[25, 66], Operations: ['72-69=3', '69-3=66'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,46 unequal: No Solution Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[69, 22], Operations: ['72-69=3', '25-3=22'] Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,46 unequal: No Solution Exploring Operation: 69*22=1518, Resulting Numbers: [1518] 1518,46 unequal: No Solution Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[69, 28], Operations: ['72-69=3', '25+3=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,46 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,46 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[25, 72, 1], Operations: ['69/69=1'] Exploring Operation: 72-25=47, Resulting Numbers: [1, 47] Generated Node #0,2,0: 46:[1, 47] Operation: 72-25=47 Exploring Operation: 25-1=24, Resulting Numbers: [72, 24] Generated Node #0,2,1: 46:[72, 24] Operation: 25-1=24 Exploring Operation: 25/1=25, Resulting Numbers: [72, 25] Generated Node #0,2,2: 46:[72, 25] Operation: 25/1=25 Exploring Operation: 25*1=25, Resulting Numbers: [72, 25] Generated Node #0,2,3: 46:[72, 25] Operation: 25*1=25 Exploring Operation: 72-1=71, Resulting Numbers: [25, 71] Generated Node #0,2,4: 46:[25, 71] Operation: 72-1=71 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[1, 47], Operations: ['69/69=1', '72-25=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[25, 72, 69, 69], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [25, 72, 1] Generated Node #0,2: 46:[25, 72, 1] Operation: 69/69=1 Moving to Node #0,2 Current State: 46:[25, 72, 1], Operations: ['69/69=1'] Exploring Operation: 72-25=47, Resulting Numbers: [1, 47] Generated Node #0,2,0: 46:[1, 47] Operation: 72-25=47 Moving to Node #0,2,0 Current State: 46:[1, 47], Operations: ['69/69=1', '72-25=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 35, 38, 11, 7 ]
40
[ "38-35=3", "11*3=33", "7+33=40" ]
Current State: 40:[35, 38, 11, 7], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [11, 7, 3] Generated Node #2: [11, 7, 3] from Operation: 38-35=3 Current State: 40:[11, 7, 3], Operations: ['38-35=3'] Exploring Operation: 11*3=33, Resulting Numbers: [7, 33] Generated Node #3: [7, 33] from Operation: 11*3=33 Current State: 40:[7, 33], Operations: ['38-35=3', '11*3=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[35, 38, 11, 7], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [38, 11, 5] Generated Node #0,0: 40:[38, 11, 5] Operation: 35/7=5 Exploring Operation: 38-35=3, Resulting Numbers: [11, 7, 3] Generated Node #0,1: 40:[11, 7, 3] Operation: 38-35=3 Exploring Operation: 35+7=42, Resulting Numbers: [38, 11, 42] Generated Node #0,2: 40:[38, 11, 42] Operation: 35+7=42 Moving to Node #0,0 Current State: 40:[38, 11, 5], Operations: ['35/7=5'] Exploring Operation: 38+5=43, Resulting Numbers: [11, 43] Generated Node #0,0,0: 40:[11, 43] Operation: 38+5=43 Exploring Operation: 11+5=16, Resulting Numbers: [38, 16] Generated Node #0,0,1: 40:[38, 16] Operation: 11+5=16 Exploring Operation: 11-5=6, Resulting Numbers: [38, 6] Generated Node #0,0,2: 40:[38, 6] Operation: 11-5=6 Moving to Node #0,1 Current State: 40:[11, 7, 3], Operations: ['38-35=3'] Exploring Operation: 7+3=10, Resulting Numbers: [11, 10] Generated Node #0,1,0: 40:[11, 10] Operation: 7+3=10 Exploring Operation: 11-7=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 40:[3, 4] Operation: 11-7=4 Exploring Operation: 11-3=8, Resulting Numbers: [7, 8] Generated Node #0,1,2: 40:[7, 8] Operation: 11-3=8 Moving to Node #0,2 Current State: 40:[38, 11, 42], Operations: ['35+7=42'] Exploring Operation: 38+11=49, Resulting Numbers: [42, 49] Generated Node #0,2,0: 40:[42, 49] Operation: 38+11=49 Exploring Operation: 38-11=27, Resulting Numbers: [42, 27] Generated Node #0,2,1: 40:[42, 27] Operation: 38-11=27 Exploring Operation: 42-38=4, Resulting Numbers: [11, 4] Generated Node #0,2,2: 40:[11, 4] Operation: 42-38=4 Moving to Node #0,1,0 Current State: 40:[11, 10], Operations: ['38-35=3', '7+3=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,40 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[7, 8], Operations: ['38-35=3', '11-3=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,40 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[11, 4], Operations: ['35+7=42', '42-38=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[3, 4], Operations: ['38-35=3', '11-7=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[38, 6], Operations: ['35/7=5', '11-5=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,40 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[11, 43], Operations: ['35/7=5', '38+5=43'] Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,40 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[38, 16], Operations: ['35/7=5', '11+5=16'] Exploring Operation: 38+16=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 38*16=608, Resulting Numbers: [608] 608,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[42, 27], Operations: ['35+7=42', '38-11=27'] Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,40 unequal: No Solution Exploring Operation: 42+27=69, Resulting Numbers: [69] 69,40 unequal: No Solution Exploring Operation: 42*27=1134, Resulting Numbers: [1134] 1134,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[42, 49], Operations: ['35+7=42', '38+11=49'] Exploring Operation: 42*49=2058, Resulting Numbers: [2058] 2058,40 unequal: No Solution Exploring Operation: 42+49=91, Resulting Numbers: [91] 91,40 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,40 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 95, 29, 25, 55 ]
30
[ "95-29=66", "25*66=1650", "1650/55=30" ]
Current State: 30:[95, 29, 25, 55], Operations: [] Exploring Operation: 95-29=66, Resulting Numbers: [25, 55, 66] Generated Node #2: [25, 55, 66] from Operation: 95-29=66 Current State: 30:[25, 55, 66], Operations: ['95-29=66'] Exploring Operation: 25*66=1650, Resulting Numbers: [55, 1650] Generated Node #3: [55, 1650] from Operation: 25*66=1650 Current State: 30:[55, 1650], Operations: ['95-29=66', '25*66=1650'] Exploring Operation: 1650/55=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[95, 29, 25, 55], Operations: [] Exploring Operation: 55-25=30, Resulting Numbers: [95, 29, 30] Generated Node #0,0: 30:[95, 29, 30] Operation: 55-25=30 Exploring Operation: 55-29=26, Resulting Numbers: [95, 25, 26] Generated Node #0,1: 30:[95, 25, 26] Operation: 55-29=26 Exploring Operation: 95-29=66, Resulting Numbers: [25, 55, 66] Generated Node #0,2: 30:[25, 55, 66] Operation: 95-29=66 Exploring Operation: 95-55=40, Resulting Numbers: [29, 25, 40] Generated Node #0,3: 30:[29, 25, 40] Operation: 95-55=40 Exploring Operation: 95-25=70, Resulting Numbers: [29, 55, 70] Generated Node #0,4: 30:[29, 55, 70] Operation: 95-25=70 Moving to Node #0,3 Current State: 30:[29, 25, 40], Operations: ['95-55=40'] Exploring Operation: 40-25=15, Resulting Numbers: [29, 15] Generated Node #0,3,0: 30:[29, 15] Operation: 40-25=15 Exploring Operation: 40-29=11, Resulting Numbers: [25, 11] Generated Node #0,3,1: 30:[25, 11] Operation: 40-29=11 Exploring Operation: 25+40=65, Resulting Numbers: [29, 65] Generated Node #0,3,2: 30:[29, 65] Operation: 25+40=65 Exploring Operation: 29+25=54, Resulting Numbers: [40, 54] Generated Node #0,3,3: 30:[40, 54] Operation: 29+25=54 Exploring Operation: 29-25=4, Resulting Numbers: [40, 4] Generated Node #0,3,4: 30:[40, 4] Operation: 29-25=4 Moving to Node #0,2 Current State: 30:[25, 55, 66], Operations: ['95-29=66'] Exploring Operation: 25+66=91, Resulting Numbers: [55, 91] Generated Node #0,2,0: 30:[55, 91] Operation: 25+66=91 Exploring Operation: 66-55=11, Resulting Numbers: [25, 11] Generated Node #0,2,1: 30:[25, 11] Operation: 66-55=11 Exploring Operation: 55-25=30, Resulting Numbers: [66, 30] Generated Node #0,2,2: 30:[66, 30] Operation: 55-25=30 Exploring Operation: 25+55=80, Resulting Numbers: [66, 80] Generated Node #0,2,3: 30:[66, 80] Operation: 25+55=80 Exploring Operation: 66-25=41, Resulting Numbers: [55, 41] Generated Node #0,2,4: 30:[55, 41] Operation: 66-25=41 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[25, 11], Operations: ['95-29=66', '66-55=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[66, 30], Operations: ['95-29=66', '55-25=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,30 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 30:[55, 41], Operations: ['95-29=66', '66-25=41'] Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,30 unequal: No Solution Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[55, 91], Operations: ['95-29=66', '25+66=91'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 55*91=5005, Resulting Numbers: [5005] 5005,30 unequal: No Solution Exploring Operation: 55+91=146, Resulting Numbers: [146] 146,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[66, 80], Operations: ['95-29=66', '25+55=80'] Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 66+80=146, Resulting Numbers: [146] 146,30 unequal: No Solution Exploring Operation: 66*80=5280, Resulting Numbers: [5280] 5280,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 30:[95, 29, 30], Operations: ['55-25=30'] Exploring Operation: 30-29=1, Resulting Numbers: [95, 1] Generated Node #0,0,0: 30:[95, 1] Operation: 30-29=1 Exploring Operation: 95+29=124, Resulting Numbers: [30, 124] Generated Node #0,0,1: 30:[30, 124] Operation: 95+29=124 Exploring Operation: 29+30=59, Resulting Numbers: [95, 59] Generated Node #0,0,2: 30:[95, 59] Operation: 29+30=59 Exploring Operation: 95-29=66, Resulting Numbers: [30, 66] Generated Node #0,0,3: 30:[30, 66] Operation: 95-29=66 Exploring Operation: 95-30=65, Resulting Numbers: [29, 65] Generated Node #0,0,4: 30:[29, 65] Operation: 95-30=65 Moving to Node #0,4 Current State: 30:[29, 55, 70], Operations: ['95-25=70'] Exploring Operation: 70-55=15, Resulting Numbers: [29, 15] Generated Node #0,4,0: 30:[29, 15] Operation: 70-55=15 Exploring Operation: 55-29=26, Resulting Numbers: [70, 26] Generated Node #0,4,1: 30:[70, 26] Operation: 55-29=26 Exploring Operation: 29+70=99, Resulting Numbers: [55, 99] Generated Node #0,4,2: 30:[55, 99] Operation: 29+70=99 Exploring Operation: 70-29=41, Resulting Numbers: [55, 41] Generated Node #0,4,3: 30:[55, 41] Operation: 70-29=41 Exploring Operation: 29+55=84, Resulting Numbers: [70, 84] Generated Node #0,4,4: 30:[70, 84] Operation: 29+55=84 Moving to Node #0,1 Current State: 30:[95, 25, 26], Operations: ['55-29=26'] Exploring Operation: 95+25=120, Resulting Numbers: [26, 120] Generated Node #0,1,0: 30:[26, 120] Operation: 95+25=120 Exploring Operation: 25+26=51, Resulting Numbers: [95, 51] Generated Node #0,1,1: 30:[95, 51] Operation: 25+26=51 Exploring Operation: 95-26=69, Resulting Numbers: [25, 69] Generated Node #0,1,2: 30:[25, 69] Operation: 95-26=69 Exploring Operation: 95-25=70, Resulting Numbers: [26, 70] Generated Node #0,1,3: 30:[26, 70] Operation: 95-25=70 Exploring Operation: 26-25=1, Resulting Numbers: [95, 1] Generated Node #0,1,4: 30:[95, 1] Operation: 26-25=1 Moving to Node #0,3,0 Current State: 30:[29, 15], Operations: ['95-55=40', '40-25=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,30 unequal: No Solution Moving to Node #0,4,0 Current State: 30:[29, 15], Operations: ['95-25=70', '70-55=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[25, 11], Operations: ['95-55=40', '40-29=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[40, 4], Operations: ['95-55=40', '29-25=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,30 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[40, 54], Operations: ['95-55=40', '29+25=54'] Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,30 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,0,4 Current State: 30:[29, 65], Operations: ['55-25=30', '95-30=65'] Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,30 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[30, 66], Operations: ['55-25=30', '95-29=66'] Exploring Operation: 30*66=1980, Resulting Numbers: [1980] 1980,30 unequal: No Solution Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 30+66=96, Resulting Numbers: [96] 96,30 unequal: No Solution Moving to Node #0,4,3 Current State: 30:[55, 41], Operations: ['95-25=70', '70-29=41'] Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,30 unequal: No Solution Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[29, 65], Operations: ['95-55=40', '25+40=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,30 unequal: No Solution Moving to Node #0,4,1 Current State: 30:[70, 26], Operations: ['95-25=70', '55-29=26'] Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 70*26=1820, Resulting Numbers: [1820] 1820,30 unequal: No Solution Exploring Operation: 70+26=96, Resulting Numbers: [96] 96,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[25, 69], Operations: ['55-29=26', '95-26=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,30 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[26, 70], Operations: ['55-29=26', '95-25=70'] Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,30 unequal: No Solution Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,30 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[95, 1], Operations: ['55-25=30', '30-29=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,30 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,30 unequal: No Solution Moving to Node #0,1,4 Current State: 30:[95, 1], Operations: ['55-29=26', '26-25=1'] Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,30 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[95, 51], Operations: ['55-29=26', '25+26=51'] Exploring Operation: 95+51=146, Resulting Numbers: [146] 146,30 unequal: No Solution Exploring Operation: 95*51=4845, Resulting Numbers: [4845] 4845,30 unequal: No Solution Exploring Operation: 95-51=44, Resulting Numbers: [44] 44,30 unequal: No Solution Moving to Node #0,4,4 Current State: 30:[70, 84], Operations: ['95-25=70', '29+55=84'] Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,30 unequal: No Solution Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,4,2 Current State: 30:[55, 99], Operations: ['95-25=70', '29+70=99'] Exploring Operation: 55+99=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 55*99=5445, Resulting Numbers: [5445] 5445,30 unequal: No Solution Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[95, 59], Operations: ['55-25=30', '29+30=59'] Exploring Operation: 95*59=5605, Resulting Numbers: [5605] 5605,30 unequal: No Solution Exploring Operation: 95+59=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 95-59=36, Resulting Numbers: [36] 36,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[30, 124], Operations: ['55-25=30', '95+29=124'] Exploring Operation: 30+124=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 124-30=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 30*124=3720, Resulting Numbers: [3720] 3720,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[26, 120], Operations: ['55-29=26', '95+25=120'] Exploring Operation: 26*120=3120, Resulting Numbers: [3120] 3120,30 unequal: No Solution Exploring Operation: 120-26=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 26+120=146, Resulting Numbers: [146] 146,30 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 1, 75, 82, 74 ]
66
[ "75-1=74", "82-74=8", "74-8=66" ]
Current State: 66:[1, 75, 82, 74], Operations: [] Exploring Operation: 75-1=74, Resulting Numbers: [82, 74, 74] Generated Node #2: [82, 74, 74] from Operation: 75-1=74 Current State: 66:[82, 74, 74], Operations: ['75-1=74'] Exploring Operation: 82-74=8, Resulting Numbers: [8] 8,66 equal: Goal Reached Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[1, 75, 82, 74], Operations: [] Exploring Operation: 82-74=8, Resulting Numbers: [1, 75, 8] Generated Node #0,0: 66:[1, 75, 8] Operation: 82-74=8 Exploring Operation: 82-75=7, Resulting Numbers: [1, 74, 7] Generated Node #0,1: 66:[1, 74, 7] Operation: 82-75=7 Moving to Node #0,1 Current State: 66:[1, 74, 7], Operations: ['82-75=7'] Exploring Operation: 74-7=67, Resulting Numbers: [1, 67] Generated Node #0,1,0: 66:[1, 67] Operation: 74-7=67 Exploring Operation: 74-1=73, Resulting Numbers: [7, 73] Generated Node #0,1,1: 66:[7, 73] Operation: 74-1=73 Moving to Node #0,0 Current State: 66:[1, 75, 8], Operations: ['82-74=8'] Exploring Operation: 75-8=67, Resulting Numbers: [1, 67] Generated Node #0,0,0: 66:[1, 67] Operation: 75-8=67 Exploring Operation: 75-1=74, Resulting Numbers: [8, 74] Generated Node #0,0,1: 66:[8, 74] Operation: 75-1=74 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[1, 67], Operations: ['82-74=8', '75-8=67'] Exploring Operation: 1*67=67, Resulting Numbers: [67] 67,66 unequal: No Solution Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[1, 75, 82, 74], Operations: [] Exploring Operation: 82-74=8, Resulting Numbers: [1, 75, 8] Generated Node #0,0: 66:[1, 75, 8] Operation: 82-74=8 Moving to Node #0,0 Current State: 66:[1, 75, 8], Operations: ['82-74=8'] Exploring Operation: 75-8=67, Resulting Numbers: [1, 67] Generated Node #0,0,0: 66:[1, 67] Operation: 75-8=67 Moving to Node #0,0,0 Current State: 66:[1, 67], Operations: ['82-74=8', '75-8=67'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 33, 14, 21, 38 ]
36
[ "33-14=19", "38-21=17", "19+17=36" ]
Current State: 36:[33, 14, 21, 38], Operations: [] Exploring Operation: 33-14=19, Resulting Numbers: [21, 38, 19] Generated Node #2: [21, 38, 19] from Operation: 33-14=19 Current State: 36:[21, 38, 19], Operations: ['33-14=19'] Exploring Operation: 38-21=17, Resulting Numbers: [19, 17] Generated Node #3: [19, 17] from Operation: 38-21=17 Current State: 36:[19, 17], Operations: ['33-14=19', '38-21=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[33, 14, 21, 38], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [14, 38, 12] Generated Node #0,0: 36:[14, 38, 12] Operation: 33-21=12 Moving to Node #0,0 Current State: 36:[14, 38, 12], Operations: ['33-21=12'] Exploring Operation: 14-12=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 14-12=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['33-21=12', '14-12=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[33, 14, 21, 38], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [14, 38, 12] Generated Node #0,0: 36:[14, 38, 12] Operation: 33-21=12 Moving to Node #0,0 Current State: 36:[14, 38, 12], Operations: ['33-21=12'] Exploring Operation: 14-12=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 14-12=2 Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['33-21=12', '14-12=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 68, 32, 26, 30 ]
16
[ "32-30=2", "26*2=52", "68-52=16" ]
Current State: 16:[68, 32, 26, 30], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [68, 26, 2] Generated Node #2: [68, 26, 2] from Operation: 32-30=2 Current State: 16:[68, 26, 2], Operations: ['32-30=2'] Exploring Operation: 26*2=52, Resulting Numbers: [68, 52] Generated Node #3: [68, 52] from Operation: 26*2=52 Current State: 16:[68, 52], Operations: ['32-30=2', '26*2=52'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[68, 32, 26, 30], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [68, 26, 2] Generated Node #0,0: 16:[68, 26, 2] Operation: 32-30=2 Exploring Operation: 68-26=42, Resulting Numbers: [32, 30, 42] Generated Node #0,1: 16:[32, 30, 42] Operation: 68-26=42 Exploring Operation: 32-26=6, Resulting Numbers: [68, 30, 6] Generated Node #0,2: 16:[68, 30, 6] Operation: 32-26=6 Exploring Operation: 68-32=36, Resulting Numbers: [26, 30, 36] Generated Node #0,3: 16:[26, 30, 36] Operation: 68-32=36 Exploring Operation: 68-30=38, Resulting Numbers: [32, 26, 38] Generated Node #0,4: 16:[32, 26, 38] Operation: 68-30=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[26, 30, 36], Operations: ['68-32=36'] Exploring Operation: 26+36=62, Resulting Numbers: [30, 62] Generated Node #0,3,0: 16:[30, 62] Operation: 26+36=62 Exploring Operation: 30-26=4, Resulting Numbers: [36, 4] Generated Node #0,3,1: 16:[36, 4] Operation: 30-26=4 Exploring Operation: 36-30=6, Resulting Numbers: [26, 6] Generated Node #0,3,2: 16:[26, 6] Operation: 36-30=6 Exploring Operation: 26+30=56, Resulting Numbers: [36, 56] Generated Node #0,3,3: 16:[36, 56] Operation: 26+30=56 Exploring Operation: 36-26=10, Resulting Numbers: [30, 10] Generated Node #0,3,4: 16:[30, 10] Operation: 36-26=10 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 16:[26, 6], Operations: ['68-32=36', '36-30=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,16 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 16:[30, 10], Operations: ['68-32=36', '36-26=10'] Exploring Operation: 30*10=300, Resulting Numbers: [300] 300,16 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 30+10=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 16:[36, 4], Operations: ['68-32=36', '30-26=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,16 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,16 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 16:[30, 62], Operations: ['68-32=36', '26+36=62'] Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,16 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 16:[36, 56], Operations: ['68-32=36', '26+30=56'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,16 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[32, 26, 38], Operations: ['68-30=38'] Exploring Operation: 32-26=6, Resulting Numbers: [38, 6] Generated Node #0,4,0: 16:[38, 6] Operation: 32-26=6 Exploring Operation: 32+26=58, Resulting Numbers: [38, 58] Generated Node #0,4,1: 16:[38, 58] Operation: 32+26=58 Exploring Operation: 38-32=6, Resulting Numbers: [26, 6] Generated Node #0,4,2: 16:[26, 6] Operation: 38-32=6 Exploring Operation: 38-26=12, Resulting Numbers: [32, 12] Generated Node #0,4,3: 16:[32, 12] Operation: 38-26=12 Exploring Operation: 32+38=70, Resulting Numbers: [26, 70] Generated Node #0,4,4: 16:[26, 70] Operation: 32+38=70 Moving to Node #0,4,2 Current State: 16:[26, 6], Operations: ['68-30=38', '38-32=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,16 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[32, 12], Operations: ['68-30=38', '38-26=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,16 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[38, 6], Operations: ['68-30=38', '32-26=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,16 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[38, 58], Operations: ['68-30=38', '32+26=58'] Exploring Operation: 38*58=2204, Resulting Numbers: [2204] 2204,16 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 38+58=96, Resulting Numbers: [96] 96,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[26, 70], Operations: ['68-30=38', '32+38=70'] Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,16 unequal: No Solution Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[32, 30, 42], Operations: ['68-26=42'] Exploring Operation: 32-30=2, Resulting Numbers: [42, 2] Generated Node #0,1,0: 16:[42, 2] Operation: 32-30=2 Exploring Operation: 42-32=10, Resulting Numbers: [30, 10] Generated Node #0,1,1: 16:[30, 10] Operation: 42-32=10 Exploring Operation: 32+42=74, Resulting Numbers: [30, 74] Generated Node #0,1,2: 16:[30, 74] Operation: 32+42=74 Exploring Operation: 42-30=12, Resulting Numbers: [32, 12] Generated Node #0,1,3: 16:[32, 12] Operation: 42-30=12 Exploring Operation: 32+30=62, Resulting Numbers: [42, 62] Generated Node #0,1,4: 16:[42, 62] Operation: 32+30=62 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[30, 10], Operations: ['68-26=42', '42-32=10'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 30+10=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 30*10=300, Resulting Numbers: [300] 300,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[32, 12], Operations: ['68-26=42', '42-30=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,16 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[42, 2], Operations: ['68-26=42', '32-30=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,16 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[30, 74], Operations: ['68-26=42', '32+42=74'] Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,16 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 16:[42, 62], Operations: ['68-26=42', '32+30=62'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 42+62=104, Resulting Numbers: [104] 104,16 unequal: No Solution Exploring Operation: 42*62=2604, Resulting Numbers: [2604] 2604,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[68, 26, 2], Operations: ['32-30=2'] Exploring Operation: 68-26=42, Resulting Numbers: [2, 42] Generated Node #0,0,0: 16:[2, 42] Operation: 68-26=42 Exploring Operation: 26/2=13, Resulting Numbers: [68, 13] Generated Node #0,0,1: 16:[68, 13] Operation: 26/2=13 Exploring Operation: 68-2=66, Resulting Numbers: [26, 66] Generated Node #0,0,2: 16:[26, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [26, 34] Generated Node #0,0,3: 16:[26, 34] Operation: 68/2=34 Exploring Operation: 26-2=24, Resulting Numbers: [68, 24] Generated Node #0,0,4: 16:[68, 24] Operation: 26-2=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[2, 42], Operations: ['32-30=2', '68-26=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,16 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 16:[26, 34], Operations: ['32-30=2', '68/2=34'] Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,16 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[68, 13], Operations: ['32-30=2', '26/2=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,16 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[26, 66], Operations: ['32-30=2', '68-2=66'] Exploring Operation: 26+66=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 26*66=1716, Resulting Numbers: [1716] 1716,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 16:[68, 24], Operations: ['32-30=2', '26-2=24'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[68, 30, 6], Operations: ['32-26=6'] Exploring Operation: 68+6=74, Resulting Numbers: [30, 74] Generated Node #0,2,0: 16:[30, 74] Operation: 68+6=74 Exploring Operation: 68-30=38, Resulting Numbers: [6, 38] Generated Node #0,2,1: 16:[6, 38] Operation: 68-30=38 Exploring Operation: 30/6=5, Resulting Numbers: [68, 5] Generated Node #0,2,2: 16:[68, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [68, 24] Generated Node #0,2,3: 16:[68, 24] Operation: 30-6=24 Exploring Operation: 68-6=62, Resulting Numbers: [30, 62] Generated Node #0,2,4: 16:[30, 62] Operation: 68-6=62 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 16:[6, 38], Operations: ['32-26=6', '68-30=38'] Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,16 unequal: No Solution Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[68, 5], Operations: ['32-26=6', '30/6=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,16 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 16:[68, 24], Operations: ['32-26=6', '30-6=24'] Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,16 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 16:[30, 62], Operations: ['32-26=6', '68-6=62'] Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,16 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 16:[30, 74], Operations: ['32-26=6', '68+6=74'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,16 unequal: No Solution Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 58, 16, 14, 86 ]
83
[ "58-16=42", "42/14=3", "86-3=83" ]
Current State: 83:[58, 16, 14, 86], Operations: [] Exploring Operation: 58-16=42, Resulting Numbers: [14, 86, 42] Generated Node #2: [14, 86, 42] from Operation: 58-16=42 Current State: 83:[14, 86, 42], Operations: ['58-16=42'] Exploring Operation: 42/14=3, Resulting Numbers: [86, 3] Generated Node #3: [86, 3] from Operation: 42/14=3 Current State: 83:[86, 3], Operations: ['58-16=42', '42/14=3'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[58, 16, 14, 86], Operations: [] Exploring Operation: 58+14=72, Resulting Numbers: [16, 86, 72] Generated Node #0,0: 83:[16, 86, 72] Operation: 58+14=72 Exploring Operation: 16+14=30, Resulting Numbers: [58, 86, 30] Generated Node #0,1: 83:[58, 86, 30] Operation: 16+14=30 Exploring Operation: 58+16=74, Resulting Numbers: [14, 86, 74] Generated Node #0,2: 83:[14, 86, 74] Operation: 58+16=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[16, 86, 72], Operations: ['58+14=72'] Exploring Operation: 16+72=88, Resulting Numbers: [86, 88] Generated Node #0,0,0: 83:[86, 88] Operation: 16+72=88 Exploring Operation: 16+86=102, Resulting Numbers: [72, 102] Generated Node #0,0,1: 83:[72, 102] Operation: 16+86=102 Exploring Operation: 86-16=70, Resulting Numbers: [72, 70] Generated Node #0,0,2: 83:[72, 70] Operation: 86-16=70 Moving to Node #0,0,0 Current State: 83:[86, 88], Operations: ['58+14=72', '16+72=88'] Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,83 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[72, 70], Operations: ['58+14=72', '86-16=70'] Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,83 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,83 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[72, 102], Operations: ['58+14=72', '16+86=102'] Exploring Operation: 102-72=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 72+102=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 72*102=7344, Resulting Numbers: [7344] 7344,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[58, 86, 30], Operations: ['16+14=30'] Exploring Operation: 86-30=56, Resulting Numbers: [58, 56] Generated Node #0,1,0: 83:[58, 56] Operation: 86-30=56 Exploring Operation: 58+30=88, Resulting Numbers: [86, 88] Generated Node #0,1,1: 83:[86, 88] Operation: 58+30=88 Exploring Operation: 58-30=28, Resulting Numbers: [86, 28] Generated Node #0,1,2: 83:[86, 28] Operation: 58-30=28 Moving to Node #0,1,1 Current State: 83:[86, 88], Operations: ['16+14=30', '58+30=88'] Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,83 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[58, 56], Operations: ['16+14=30', '86-30=56'] Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,83 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[86, 28], Operations: ['16+14=30', '58-30=28'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,83 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[14, 86, 74], Operations: ['58+16=74'] Exploring Operation: 14+74=88, Resulting Numbers: [86, 88] Generated Node #0,2,0: 83:[86, 88] Operation: 14+74=88 Exploring Operation: 86-14=72, Resulting Numbers: [74, 72] Generated Node #0,2,1: 83:[74, 72] Operation: 86-14=72 Exploring Operation: 14+86=100, Resulting Numbers: [74, 100] Generated Node #0,2,2: 83:[74, 100] Operation: 14+86=100 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[86, 88], Operations: ['58+16=74', '14+74=88'] Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[74, 72], Operations: ['58+16=74', '86-14=72'] Exploring Operation: 74*72=5328, Resulting Numbers: [5328] 5328,83 unequal: No Solution Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 74+72=146, Resulting Numbers: [146] 146,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[74, 100], Operations: ['58+16=74', '14+86=100'] Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 74+100=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 74*100=7400, Resulting Numbers: [7400] 7400,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 44, 22, 43, 23 ]
33
[ "44/22=2", "43+23=66", "66/2=33" ]
Current State: 33:[44, 22, 43, 23], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [43, 23, 2] Generated Node #2: [43, 23, 2] from Operation: 44/22=2 Current State: 33:[43, 23, 2], Operations: ['44/22=2'] Exploring Operation: 43+23=66, Resulting Numbers: [2, 66] Generated Node #3: [2, 66] from Operation: 43+23=66 Current State: 33:[2, 66], Operations: ['44/22=2', '43+23=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[44, 22, 43, 23], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [43, 23, 2] Generated Node #0,0: 33:[43, 23, 2] Operation: 44/22=2 Exploring Operation: 44-43=1, Resulting Numbers: [22, 23, 1] Generated Node #0,1: 33:[22, 23, 1] Operation: 44-43=1 Exploring Operation: 44-22=22, Resulting Numbers: [43, 23, 22] Generated Node #0,2: 33:[43, 23, 22] Operation: 44-22=22 Exploring Operation: 23-22=1, Resulting Numbers: [44, 43, 1] Generated Node #0,3: 33:[44, 43, 1] Operation: 23-22=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[43, 23, 2], Operations: ['44/22=2'] Exploring Operation: 23-2=21, Resulting Numbers: [43, 21] Generated Node #0,0,0: 33:[43, 21] Operation: 23-2=21 Exploring Operation: 43-2=41, Resulting Numbers: [23, 41] Generated Node #0,0,1: 33:[23, 41] Operation: 43-2=41 Exploring Operation: 23+2=25, Resulting Numbers: [43, 25] Generated Node #0,0,2: 33:[43, 25] Operation: 23+2=25 Exploring Operation: 43-23=20, Resulting Numbers: [2, 20] Generated Node #0,0,3: 33:[2, 20] Operation: 43-23=20 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[2, 20], Operations: ['44/22=2', '43-23=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[23, 41], Operations: ['44/22=2', '43-2=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[43, 25], Operations: ['44/22=2', '23+2=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[43, 21], Operations: ['44/22=2', '23-2=21'] Exploring Operation: 43+21=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 43*21=903, Resulting Numbers: [903] 903,33 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[22, 23, 1], Operations: ['44-43=1'] Exploring Operation: 22+1=23, Resulting Numbers: [23, 23] Generated Node #0,1,0: 33:[23, 23] Operation: 22+1=23 Exploring Operation: 23-22=1, Resulting Numbers: [1, 1] Generated Node #0,1,1: 33:[1, 1] Operation: 23-22=1 Exploring Operation: 22+23=45, Resulting Numbers: [1, 45] Generated Node #0,1,2: 33:[1, 45] Operation: 22+23=45 Exploring Operation: 22-1=21, Resulting Numbers: [23, 21] Generated Node #0,1,3: 33:[23, 21] Operation: 22-1=21 Moving to Node #0,1,1 Current State: 33:[1, 1], Operations: ['44-43=1', '23-22=1'] Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[1, 45], Operations: ['44-43=1', '22+23=45'] Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[23, 21], Operations: ['44-43=1', '22-1=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,33 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[23, 23], Operations: ['44-43=1', '22+1=23'] Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[44, 43, 1], Operations: ['23-22=1'] Exploring Operation: 43-1=42, Resulting Numbers: [44, 42] Generated Node #0,3,0: 33:[44, 42] Operation: 43-1=42 Exploring Operation: 44-1=43, Resulting Numbers: [43, 43] Generated Node #0,3,1: 33:[43, 43] Operation: 44-1=43 Exploring Operation: 44-43=1, Resulting Numbers: [1, 1] Generated Node #0,3,2: 33:[1, 1] Operation: 44-43=1 Exploring Operation: 44*1=44, Resulting Numbers: [43, 44] Generated Node #0,3,3: 33:[43, 44] Operation: 44*1=44 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[1, 1], Operations: ['23-22=1', '44-43=1'] Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[44, 42], Operations: ['23-22=1', '43-1=42'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[43, 43], Operations: ['23-22=1', '44-1=43'] Exploring Operation: 43*43=1849, Resulting Numbers: [1849] 1849,33 unequal: No Solution Exploring Operation: 43/43=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 43-43=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[43, 44], Operations: ['23-22=1', '44*1=44'] Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[43, 23, 22], Operations: ['44-22=22'] Exploring Operation: 43-23=20, Resulting Numbers: [22, 20] Generated Node #0,2,0: 33:[22, 20] Operation: 43-23=20 Exploring Operation: 23-22=1, Resulting Numbers: [43, 1] Generated Node #0,2,1: 33:[43, 1] Operation: 23-22=1 Exploring Operation: 43-22=21, Resulting Numbers: [23, 21] Generated Node #0,2,2: 33:[23, 21] Operation: 43-22=21 Exploring Operation: 23+22=45, Resulting Numbers: [43, 45] Generated Node #0,2,3: 33:[43, 45] Operation: 23+22=45 Moving to Node #0,2,1 Current State: 33:[43, 1], Operations: ['44-22=22', '23-22=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[23, 21], Operations: ['44-22=22', '43-22=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,33 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[22, 20], Operations: ['44-22=22', '43-23=20'] Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,33 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[43, 45], Operations: ['44-22=22', '23+22=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,33 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 19, 46, 18, 35 ]
43
[ "19+35=54", "54/18=3", "46-3=43" ]
Current State: 43:[19, 46, 18, 35], Operations: [] Exploring Operation: 19+35=54, Resulting Numbers: [46, 18, 54] Generated Node #2: [46, 18, 54] from Operation: 19+35=54 Current State: 43:[46, 18, 54], Operations: ['19+35=54'] Exploring Operation: 54/18=3, Resulting Numbers: [46, 3] Generated Node #3: [46, 3] from Operation: 54/18=3 Current State: 43:[46, 3], Operations: ['19+35=54', '54/18=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[19, 46, 18, 35], Operations: [] Exploring Operation: 46-18=28, Resulting Numbers: [19, 35, 28] Generated Node #0,0: 43:[19, 35, 28] Operation: 46-18=28 Exploring Operation: 18+35=53, Resulting Numbers: [19, 46, 53] Generated Node #0,1: 43:[19, 46, 53] Operation: 18+35=53 Exploring Operation: 19+18=37, Resulting Numbers: [46, 35, 37] Generated Node #0,2: 43:[46, 35, 37] Operation: 19+18=37 Exploring Operation: 19+35=54, Resulting Numbers: [46, 18, 54] Generated Node #0,3: 43:[46, 18, 54] Operation: 19+35=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[46, 35, 37], Operations: ['19+18=37'] Exploring Operation: 46+35=81, Resulting Numbers: [37, 81] Generated Node #0,2,0: 43:[37, 81] Operation: 46+35=81 Exploring Operation: 35+37=72, Resulting Numbers: [46, 72] Generated Node #0,2,1: 43:[46, 72] Operation: 35+37=72 Exploring Operation: 46-35=11, Resulting Numbers: [37, 11] Generated Node #0,2,2: 43:[37, 11] Operation: 46-35=11 Exploring Operation: 46-37=9, Resulting Numbers: [35, 9] Generated Node #0,2,3: 43:[35, 9] Operation: 46-37=9 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[46, 72], Operations: ['19+18=37', '35+37=72'] Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,43 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[37, 11], Operations: ['19+18=37', '46-35=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,43 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[35, 9], Operations: ['19+18=37', '46-37=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,43 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[37, 81], Operations: ['19+18=37', '46+35=81'] Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 37+81=118, Resulting Numbers: [118] 118,43 unequal: No Solution Exploring Operation: 37*81=2997, Resulting Numbers: [2997] 2997,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[19, 46, 53], Operations: ['18+35=53'] Exploring Operation: 46-19=27, Resulting Numbers: [53, 27] Generated Node #0,1,0: 43:[53, 27] Operation: 46-19=27 Exploring Operation: 19+46=65, Resulting Numbers: [53, 65] Generated Node #0,1,1: 43:[53, 65] Operation: 19+46=65 Exploring Operation: 19+53=72, Resulting Numbers: [46, 72] Generated Node #0,1,2: 43:[46, 72] Operation: 19+53=72 Exploring Operation: 53-19=34, Resulting Numbers: [46, 34] Generated Node #0,1,3: 43:[46, 34] Operation: 53-19=34 Moving to Node #0,1,3 Current State: 43:[46, 34], Operations: ['18+35=53', '53-19=34'] Exploring Operation: 46*34=1564, Resulting Numbers: [1564] 1564,43 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 46+34=80, Resulting Numbers: [80] 80,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[53, 27], Operations: ['18+35=53', '46-19=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,43 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[46, 72], Operations: ['18+35=53', '19+53=72'] Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,43 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[53, 65], Operations: ['18+35=53', '19+46=65'] Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,43 unequal: No Solution Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[46, 18, 54], Operations: ['19+35=54'] Exploring Operation: 18+54=72, Resulting Numbers: [46, 72] Generated Node #0,3,0: 43:[46, 72] Operation: 18+54=72 Exploring Operation: 46-18=28, Resulting Numbers: [54, 28] Generated Node #0,3,1: 43:[54, 28] Operation: 46-18=28 Exploring Operation: 46+18=64, Resulting Numbers: [54, 64] Generated Node #0,3,2: 43:[54, 64] Operation: 46+18=64 Exploring Operation: 54-18=36, Resulting Numbers: [46, 36] Generated Node #0,3,3: 43:[46, 36] Operation: 54-18=36 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[46, 36], Operations: ['19+35=54', '54-18=36'] Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,43 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[54, 28], Operations: ['19+35=54', '46-18=28'] Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[46, 72], Operations: ['19+35=54', '18+54=72'] Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,43 unequal: No Solution Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[54, 64], Operations: ['19+35=54', '46+18=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,43 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[19, 35, 28], Operations: ['46-18=28'] Exploring Operation: 19+35=54, Resulting Numbers: [28, 54] Generated Node #0,0,0: 43:[28, 54] Operation: 19+35=54 Exploring Operation: 19+28=47, Resulting Numbers: [35, 47] Generated Node #0,0,1: 43:[35, 47] Operation: 19+28=47 Exploring Operation: 35-19=16, Resulting Numbers: [28, 16] Generated Node #0,0,2: 43:[28, 16] Operation: 35-19=16 Exploring Operation: 28-19=9, Resulting Numbers: [35, 9] Generated Node #0,0,3: 43:[35, 9] Operation: 28-19=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[35, 47], Operations: ['46-18=28', '19+28=47'] Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,43 unequal: No Solution Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[28, 54], Operations: ['46-18=28', '19+35=54'] Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[28, 16], Operations: ['46-18=28', '35-19=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,43 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[35, 9], Operations: ['46-18=28', '28-19=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,43 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 87, 88, 82, 13 ]
96
[ "88-87=1", "82+13=95", "1+95=96" ]
Current State: 96:[87, 88, 82, 13], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [82, 13, 1] Generated Node #2: [82, 13, 1] from Operation: 88-87=1 Current State: 96:[82, 13, 1], Operations: ['88-87=1'] Exploring Operation: 82+13=95, Resulting Numbers: [1, 95] Generated Node #3: [1, 95] from Operation: 82+13=95 Current State: 96:[1, 95], Operations: ['88-87=1', '82+13=95'] Exploring Operation: 1+95=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[87, 88, 82, 13], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [88, 13, 5] Generated Node #0,0: 96:[88, 13, 5] Operation: 87-82=5 Moving to Node #0,0 Current State: 96:[88, 13, 5], Operations: ['87-82=5'] Exploring Operation: 88+5=93, Resulting Numbers: [13, 93] Generated Node #0,0,0: 96:[13, 93] Operation: 88+5=93 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[13, 93], Operations: ['87-82=5', '88+5=93'] Exploring Operation: 13+93=106, Resulting Numbers: [106] 106,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 52, 56, 1, 14 ]
13
[ "52*1=52", "56/14=4", "52/4=13" ]
Current State: 13:[52, 56, 1, 14], Operations: [] Exploring Operation: 52*1=52, Resulting Numbers: [56, 14, 52] Generated Node #2: [56, 14, 52] from Operation: 52*1=52 Current State: 13:[56, 14, 52], Operations: ['52*1=52'] Exploring Operation: 56/14=4, Resulting Numbers: [52, 4] Generated Node #3: [52, 4] from Operation: 56/14=4 Current State: 13:[52, 4], Operations: ['52*1=52', '56/14=4'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[52, 56, 1, 14], Operations: [] Exploring Operation: 52-1=51, Resulting Numbers: [56, 14, 51] Generated Node #0,0: 13:[56, 14, 51] Operation: 52-1=51 Exploring Operation: 56-14=42, Resulting Numbers: [52, 1, 42] Generated Node #0,1: 13:[52, 1, 42] Operation: 56-14=42 Exploring Operation: 52-14=38, Resulting Numbers: [56, 1, 38] Generated Node #0,2: 13:[56, 1, 38] Operation: 52-14=38 Exploring Operation: 56/14=4, Resulting Numbers: [52, 1, 4] Generated Node #0,3: 13:[52, 1, 4] Operation: 56/14=4 Exploring Operation: 56-52=4, Resulting Numbers: [1, 14, 4] Generated Node #0,4: 13:[1, 14, 4] Operation: 56-52=4 Moving to Node #0,4 Current State: 13:[1, 14, 4], Operations: ['56-52=4'] Exploring Operation: 1*4=4, Resulting Numbers: [14, 4] Generated Node #0,4,0: 13:[14, 4] Operation: 1*4=4 Exploring Operation: 1+4=5, Resulting Numbers: [14, 5] Generated Node #0,4,1: 13:[14, 5] Operation: 1+4=5 Exploring Operation: 1*14=14, Resulting Numbers: [4, 14] Generated Node #0,4,2: 13:[4, 14] Operation: 1*14=14 Exploring Operation: 14/1=14, Resulting Numbers: [4, 14] Generated Node #0,4,3: 13:[4, 14] Operation: 14/1=14 Exploring Operation: 14-1=13, Resulting Numbers: [4, 13] Generated Node #0,4,4: 13:[4, 13] Operation: 14-1=13 Moving to Node #0,3 Current State: 13:[52, 1, 4], Operations: ['56/14=4'] Exploring Operation: 52*1=52, Resulting Numbers: [4, 52] Generated Node #0,3,0: 13:[4, 52] Operation: 52*1=52 Exploring Operation: 52-1=51, Resulting Numbers: [4, 51] Generated Node #0,3,1: 13:[4, 51] Operation: 52-1=51 Exploring Operation: 1+4=5, Resulting Numbers: [52, 5] Generated Node #0,3,2: 13:[52, 5] Operation: 1+4=5 Exploring Operation: 52-4=48, Resulting Numbers: [1, 48] Generated Node #0,3,3: 13:[1, 48] Operation: 52-4=48 Exploring Operation: 52/4=13, Resulting Numbers: [1, 13] Generated Node #0,3,4: 13:[1, 13] Operation: 52/4=13 Moving to Node #0,1 Current State: 13:[52, 1, 42], Operations: ['56-14=42'] Exploring Operation: 42-1=41, Resulting Numbers: [52, 41] Generated Node #0,1,0: 13:[52, 41] Operation: 42-1=41 Exploring Operation: 52-42=10, Resulting Numbers: [1, 10] Generated Node #0,1,1: 13:[1, 10] Operation: 52-42=10 Exploring Operation: 52*1=52, Resulting Numbers: [42, 52] Generated Node #0,1,2: 13:[42, 52] Operation: 52*1=52 Exploring Operation: 52-1=51, Resulting Numbers: [42, 51] Generated Node #0,1,3: 13:[42, 51] Operation: 52-1=51 Exploring Operation: 52/1=52, Resulting Numbers: [42, 52] Generated Node #0,1,4: 13:[42, 52] Operation: 52/1=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[1, 10], Operations: ['56-14=42', '52-42=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[52, 41], Operations: ['56-14=42', '42-1=41'] Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,13 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[42, 51], Operations: ['56-14=42', '52-1=51'] Exploring Operation: 42+51=93, Resulting Numbers: [93] 93,13 unequal: No Solution Exploring Operation: 42*51=2142, Resulting Numbers: [2142] 2142,13 unequal: No Solution Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[42, 52], Operations: ['56-14=42', '52*1=52'] Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,13 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 13:[42, 52], Operations: ['56-14=42', '52/1=52'] Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,13 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 13:[56, 1, 38], Operations: ['52-14=38'] Exploring Operation: 38-1=37, Resulting Numbers: [56, 37] Generated Node #0,2,0: 13:[56, 37] Operation: 38-1=37 Exploring Operation: 56*1=56, Resulting Numbers: [38, 56] Generated Node #0,2,1: 13:[38, 56] Operation: 56*1=56 Exploring Operation: 56-1=55, Resulting Numbers: [38, 55] Generated Node #0,2,2: 13:[38, 55] Operation: 56-1=55 Exploring Operation: 56/1=56, Resulting Numbers: [38, 56] Generated Node #0,2,3: 13:[38, 56] Operation: 56/1=56 Exploring Operation: 56-38=18, Resulting Numbers: [1, 18] Generated Node #0,2,4: 13:[1, 18] Operation: 56-38=18 Moving to Node #0,0 Current State: 13:[56, 14, 51], Operations: ['52-1=51'] Exploring Operation: 56/14=4, Resulting Numbers: [51, 4] Generated Node #0,0,0: 13:[51, 4] Operation: 56/14=4 Exploring Operation: 56+14=70, Resulting Numbers: [51, 70] Generated Node #0,0,1: 13:[51, 70] Operation: 56+14=70 Exploring Operation: 56-14=42, Resulting Numbers: [51, 42] Generated Node #0,0,2: 13:[51, 42] Operation: 56-14=42 Exploring Operation: 56-51=5, Resulting Numbers: [14, 5] Generated Node #0,0,3: 13:[14, 5] Operation: 56-51=5 Exploring Operation: 51-14=37, Resulting Numbers: [56, 37] Generated Node #0,0,4: 13:[56, 37] Operation: 51-14=37 Moving to Node #0,4,1 Current State: 13:[14, 5], Operations: ['56-52=4', '1+4=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,4,4 Current State: 13:[4, 13], Operations: ['56-52=4', '14-1=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,13 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[14, 5], Operations: ['52-1=51', '56-51=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,4,0 Current State: 13:[14, 4], Operations: ['56-52=4', '1*4=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,13 unequal: No Solution Moving to Node #0,4,3 Current State: 13:[4, 14], Operations: ['56-52=4', '14/1=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,13 unequal: No Solution Moving to Node #0,4,2 Current State: 13:[4, 14], Operations: ['56-52=4', '1*14=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[1, 13], Operations: ['56/14=4', '52/4=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[52, 56, 1, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [52, 1, 4] Generated Node #0,3: 13:[52, 1, 4] Operation: 56/14=4 Moving to Node #0,3 Current State: 13:[52, 1, 4], Operations: ['56/14=4'] Exploring Operation: 52/4=13, Resulting Numbers: [1, 13] Generated Node #0,3,4: 13:[1, 13] Operation: 52/4=13 Moving to Node #0,3,4 Current State: 13:[1, 13], Operations: ['56/14=4', '52/4=13'] Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.938368
hs_5
sum_heuristic
[ 7, 32, 19, 5 ]
34
[ "19-5=14", "14/7=2", "32+2=34" ]
Current State: 34:[7, 32, 19, 5], Operations: [] Exploring Operation: 19-5=14, Resulting Numbers: [7, 32, 14] Generated Node #2: [7, 32, 14] from Operation: 19-5=14 Current State: 34:[7, 32, 14], Operations: ['19-5=14'] Exploring Operation: 14/7=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 14/7=2 Current State: 34:[32, 2], Operations: ['19-5=14', '14/7=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[7, 32, 19, 5], Operations: [] Exploring Operation: 7+5=12, Resulting Numbers: [32, 19, 12] Generated Node #0,0: 34:[32, 19, 12] Operation: 7+5=12 Exploring Operation: 19-7=12, Resulting Numbers: [32, 5, 12] Generated Node #0,1: 34:[32, 5, 12] Operation: 19-7=12 Exploring Operation: 7*5=35, Resulting Numbers: [32, 19, 35] Generated Node #0,2: 34:[32, 19, 35] Operation: 7*5=35 Exploring Operation: 7+32=39, Resulting Numbers: [19, 5, 39] Generated Node #0,3: 34:[19, 5, 39] Operation: 7+32=39 Exploring Operation: 7-5=2, Resulting Numbers: [32, 19, 2] Generated Node #0,4: 34:[32, 19, 2] Operation: 7-5=2 Moving to Node #0,4 Current State: 34:[32, 19, 2], Operations: ['7-5=2'] Exploring Operation: 32+2=34, Resulting Numbers: [19, 34] Generated Node #0,4,0: 34:[19, 34] Operation: 32+2=34 Exploring Operation: 19-2=17, Resulting Numbers: [32, 17] Generated Node #0,4,1: 34:[32, 17] Operation: 19-2=17 Exploring Operation: 32-2=30, Resulting Numbers: [19, 30] Generated Node #0,4,2: 34:[19, 30] Operation: 32-2=30 Exploring Operation: 32/2=16, Resulting Numbers: [19, 16] Generated Node #0,4,3: 34:[19, 16] Operation: 32/2=16 Exploring Operation: 32-19=13, Resulting Numbers: [2, 13] Generated Node #0,4,4: 34:[2, 13] Operation: 32-19=13 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[19, 34], Operations: ['7-5=2', '32+2=34'] Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[32, 17], Operations: ['7-5=2', '19-2=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[19, 16], Operations: ['7-5=2', '32/2=16'] Exploring Operation: 19*16=304, Resulting Numbers: [304] 304,34 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[2, 13], Operations: ['7-5=2', '32-19=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[19, 30], Operations: ['7-5=2', '32-2=30'] Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,34 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 34:[32, 19, 35], Operations: ['7*5=35'] Exploring Operation: 19+35=54, Resulting Numbers: [32, 54] Generated Node #0,2,0: 34:[32, 54] Operation: 19+35=54 Exploring Operation: 32+19=51, Resulting Numbers: [35, 51] Generated Node #0,2,1: 34:[35, 51] Operation: 32+19=51 Exploring Operation: 35-32=3, Resulting Numbers: [19, 3] Generated Node #0,2,2: 34:[19, 3] Operation: 35-32=3 Exploring Operation: 35-19=16, Resulting Numbers: [32, 16] Generated Node #0,2,3: 34:[32, 16] Operation: 35-19=16 Exploring Operation: 32-19=13, Resulting Numbers: [35, 13] Generated Node #0,2,4: 34:[35, 13] Operation: 32-19=13 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[19, 3], Operations: ['7*5=35', '35-32=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[32, 16], Operations: ['7*5=35', '35-19=16'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,34 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 34:[35, 13], Operations: ['7*5=35', '32-19=13'] Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,34 unequal: No Solution Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[35, 51], Operations: ['7*5=35', '32+19=51'] Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,34 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[32, 54], Operations: ['7*5=35', '19+35=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,34 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[32, 19, 12], Operations: ['7+5=12'] Exploring Operation: 19-12=7, Resulting Numbers: [32, 7] Generated Node #0,0,0: 34:[32, 7] Operation: 19-12=7 Exploring Operation: 32-12=20, Resulting Numbers: [19, 20] Generated Node #0,0,1: 34:[19, 20] Operation: 32-12=20 Exploring Operation: 32+12=44, Resulting Numbers: [19, 44] Generated Node #0,0,2: 34:[19, 44] Operation: 32+12=44 Exploring Operation: 32-19=13, Resulting Numbers: [12, 13] Generated Node #0,0,3: 34:[12, 13] Operation: 32-19=13 Exploring Operation: 19+12=31, Resulting Numbers: [32, 31] Generated Node #0,0,4: 34:[32, 31] Operation: 19+12=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[19, 20], Operations: ['7+5=12', '32-12=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,34 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,34 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 34:[32, 31], Operations: ['7+5=12', '19+12=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,34 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[32, 7], Operations: ['7+5=12', '19-12=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,34 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 34:[12, 13], Operations: ['7+5=12', '32-19=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,34 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[19, 44], Operations: ['7+5=12', '32+12=44'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 34:[32, 5, 12], Operations: ['19-7=12'] Exploring Operation: 32-12=20, Resulting Numbers: [5, 20] Generated Node #0,1,0: 34:[5, 20] Operation: 32-12=20 Exploring Operation: 32+5=37, Resulting Numbers: [12, 37] Generated Node #0,1,1: 34:[12, 37] Operation: 32+5=37 Exploring Operation: 32-5=27, Resulting Numbers: [12, 27] Generated Node #0,1,2: 34:[12, 27] Operation: 32-5=27 Exploring Operation: 5+12=17, Resulting Numbers: [32, 17] Generated Node #0,1,3: 34:[32, 17] Operation: 5+12=17 Exploring Operation: 12-5=7, Resulting Numbers: [32, 7] Generated Node #0,1,4: 34:[32, 7] Operation: 12-5=7 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[32, 17], Operations: ['19-7=12', '5+12=17'] Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[5, 20], Operations: ['19-7=12', '32-12=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[32, 7], Operations: ['19-7=12', '12-5=7'] Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,34 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,34 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[12, 37], Operations: ['19-7=12', '32+5=37'] Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,34 unequal: No Solution Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[12, 27], Operations: ['19-7=12', '32-5=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,34 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,34 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 34:[19, 5, 39], Operations: ['7+32=39'] Exploring Operation: 39-19=20, Resulting Numbers: [5, 20] Generated Node #0,3,0: 34:[5, 20] Operation: 39-19=20 Exploring Operation: 5+39=44, Resulting Numbers: [19, 44] Generated Node #0,3,1: 34:[19, 44] Operation: 5+39=44 Exploring Operation: 19-5=14, Resulting Numbers: [39, 14] Generated Node #0,3,2: 34:[39, 14] Operation: 19-5=14 Exploring Operation: 39-5=34, Resulting Numbers: [19, 34] Generated Node #0,3,3: 34:[19, 34] Operation: 39-5=34 Exploring Operation: 19+5=24, Resulting Numbers: [39, 24] Generated Node #0,3,4: 34:[39, 24] Operation: 19+5=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[19, 34], Operations: ['7+32=39', '39-5=34'] Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,34 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[5, 20], Operations: ['7+32=39', '39-19=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[39, 14], Operations: ['7+32=39', '19-5=14'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[19, 44], Operations: ['7+32=39', '5+39=44'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[39, 24], Operations: ['7+32=39', '19+5=24'] Exploring Operation: 39*24=936, Resulting Numbers: [936] 936,34 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 3, 83, 20, 76 ]
73
[ "83+76=159", "159/3=53", "20+53=73" ]
Current State: 73:[3, 83, 20, 76], Operations: [] Exploring Operation: 83+76=159, Resulting Numbers: [3, 20, 159] Generated Node #2: [3, 20, 159] from Operation: 83+76=159 Current State: 73:[3, 20, 159], Operations: ['83+76=159'] Exploring Operation: 159/3=53, Resulting Numbers: [20, 53] Generated Node #3: [20, 53] from Operation: 159/3=53 Current State: 73:[20, 53], Operations: ['83+76=159', '159/3=53'] Exploring Operation: 20+53=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[3, 83, 20, 76], Operations: [] Exploring Operation: 3*20=60, Resulting Numbers: [83, 76, 60] Generated Node #0,0: 73:[83, 76, 60] Operation: 3*20=60 Exploring Operation: 83-3=80, Resulting Numbers: [20, 76, 80] Generated Node #0,1: 73:[20, 76, 80] Operation: 83-3=80 Exploring Operation: 3+20=23, Resulting Numbers: [83, 76, 23] Generated Node #0,2: 73:[83, 76, 23] Operation: 3+20=23 Moving to Node #0,0 Current State: 73:[83, 76, 60], Operations: ['3*20=60'] Exploring Operation: 83+60=143, Resulting Numbers: [76, 143] Generated Node #0,0,0: 73:[76, 143] Operation: 83+60=143 Exploring Operation: 76-60=16, Resulting Numbers: [83, 16] Generated Node #0,0,1: 73:[83, 16] Operation: 76-60=16 Exploring Operation: 83-60=23, Resulting Numbers: [76, 23] Generated Node #0,0,2: 73:[76, 23] Operation: 83-60=23 Moving to Node #0,1 Current State: 73:[20, 76, 80], Operations: ['83-3=80'] Exploring Operation: 20+76=96, Resulting Numbers: [80, 96] Generated Node #0,1,0: 73:[80, 96] Operation: 20+76=96 Exploring Operation: 76-20=56, Resulting Numbers: [80, 56] Generated Node #0,1,1: 73:[80, 56] Operation: 76-20=56 Exploring Operation: 80-20=60, Resulting Numbers: [76, 60] Generated Node #0,1,2: 73:[76, 60] Operation: 80-20=60 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[76, 60], Operations: ['83-3=80', '80-20=60'] Exploring Operation: 76+60=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 76*60=4560, Resulting Numbers: [4560] 4560,73 unequal: No Solution Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[80, 56], Operations: ['83-3=80', '76-20=56'] Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[80, 96], Operations: ['83-3=80', '20+76=96'] Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,73 unequal: No Solution Exploring Operation: 80*96=7680, Resulting Numbers: [7680] 7680,73 unequal: No Solution Exploring Operation: 80+96=176, Resulting Numbers: [176] 176,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 73:[83, 76, 23], Operations: ['3+20=23'] Exploring Operation: 83+23=106, Resulting Numbers: [76, 106] Generated Node #0,2,0: 73:[76, 106] Operation: 83+23=106 Exploring Operation: 76-23=53, Resulting Numbers: [83, 53] Generated Node #0,2,1: 73:[83, 53] Operation: 76-23=53 Exploring Operation: 83-23=60, Resulting Numbers: [76, 60] Generated Node #0,2,2: 73:[76, 60] Operation: 83-23=60 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[76, 60], Operations: ['3+20=23', '83-23=60'] Exploring Operation: 76*60=4560, Resulting Numbers: [4560] 4560,73 unequal: No Solution Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,73 unequal: No Solution Exploring Operation: 76+60=136, Resulting Numbers: [136] 136,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[83, 53], Operations: ['3+20=23', '76-23=53'] Exploring Operation: 83*53=4399, Resulting Numbers: [4399] 4399,73 unequal: No Solution Exploring Operation: 83+53=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[76, 106], Operations: ['3+20=23', '83+23=106'] Exploring Operation: 76+106=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 106-76=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 76*106=8056, Resulting Numbers: [8056] 8056,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 73:[76, 23], Operations: ['3*20=60', '83-60=23'] Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,73 unequal: No Solution Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[83, 16], Operations: ['3*20=60', '76-60=16'] Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 83*16=1328, Resulting Numbers: [1328] 1328,73 unequal: No Solution Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[76, 143], Operations: ['3*20=60', '83+60=143'] Exploring Operation: 76*143=10868, Resulting Numbers: [10868] 10868,73 unequal: No Solution Exploring Operation: 143-76=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 76+143=219, Resulting Numbers: [219] 219,73 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 22, 9, 15 ]
34
[ "36+22=58", "9+15=24", "58-24=34" ]
Current State: 34:[36, 22, 9, 15], Operations: [] Exploring Operation: 36+22=58, Resulting Numbers: [9, 15, 58] Generated Node #2: [9, 15, 58] from Operation: 36+22=58 Current State: 34:[9, 15, 58], Operations: ['36+22=58'] Exploring Operation: 9+15=24, Resulting Numbers: [58, 24] Generated Node #3: [58, 24] from Operation: 9+15=24 Current State: 34:[58, 24], Operations: ['36+22=58', '9+15=24'] Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[36, 22, 9, 15], Operations: [] Exploring Operation: 22+9=31, Resulting Numbers: [36, 15, 31] Generated Node #0,0: 34:[36, 15, 31] Operation: 22+9=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[36, 15, 31], Operations: ['22+9=31'] Exploring Operation: 31-15=16, Resulting Numbers: [36, 16] Generated Node #0,0,0: 34:[36, 16] Operation: 31-15=16 Moving to Node #0,0,0 Current State: 34:[36, 16], Operations: ['22+9=31', '31-15=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 19, 9, 11 ]
53
[ "54+19=73", "9+11=20", "73-20=53" ]
Current State: 53:[54, 19, 9, 11], Operations: [] Exploring Operation: 54+19=73, Resulting Numbers: [9, 11, 73] Generated Node #2: [9, 11, 73] from Operation: 54+19=73 Current State: 53:[9, 11, 73], Operations: ['54+19=73'] Exploring Operation: 9+11=20, Resulting Numbers: [73, 20] Generated Node #3: [73, 20] from Operation: 9+11=20 Current State: 53:[73, 20], Operations: ['54+19=73', '9+11=20'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[54, 19, 9, 11], Operations: [] Exploring Operation: 9*11=99, Resulting Numbers: [54, 19, 99] Generated Node #0,0: 53:[54, 19, 99] Operation: 9*11=99 Exploring Operation: 19+11=30, Resulting Numbers: [54, 9, 30] Generated Node #0,1: 53:[54, 9, 30] Operation: 19+11=30 Exploring Operation: 54-9=45, Resulting Numbers: [19, 11, 45] Generated Node #0,2: 53:[19, 11, 45] Operation: 54-9=45 Exploring Operation: 19+9=28, Resulting Numbers: [54, 11, 28] Generated Node #0,3: 53:[54, 11, 28] Operation: 19+9=28 Exploring Operation: 9+11=20, Resulting Numbers: [54, 19, 20] Generated Node #0,4: 53:[54, 19, 20] Operation: 9+11=20 Moving to Node #0,1 Current State: 53:[54, 9, 30], Operations: ['19+11=30'] Exploring Operation: 54/9=6, Resulting Numbers: [30, 6] Generated Node #0,1,0: 53:[30, 6] Operation: 54/9=6 Exploring Operation: 54+9=63, Resulting Numbers: [30, 63] Generated Node #0,1,1: 53:[30, 63] Operation: 54+9=63 Exploring Operation: 9+30=39, Resulting Numbers: [54, 39] Generated Node #0,1,2: 53:[54, 39] Operation: 9+30=39 Exploring Operation: 30-9=21, Resulting Numbers: [54, 21] Generated Node #0,1,3: 53:[54, 21] Operation: 30-9=21 Exploring Operation: 54-9=45, Resulting Numbers: [30, 45] Generated Node #0,1,4: 53:[30, 45] Operation: 54-9=45 Moving to Node #0,4 Current State: 53:[54, 19, 20], Operations: ['9+11=20'] Exploring Operation: 54+19=73, Resulting Numbers: [20, 73] Generated Node #0,4,0: 53:[20, 73] Operation: 54+19=73 Exploring Operation: 54-20=34, Resulting Numbers: [19, 34] Generated Node #0,4,1: 53:[19, 34] Operation: 54-20=34 Exploring Operation: 19+20=39, Resulting Numbers: [54, 39] Generated Node #0,4,2: 53:[54, 39] Operation: 19+20=39 Exploring Operation: 20-19=1, Resulting Numbers: [54, 1] Generated Node #0,4,3: 53:[54, 1] Operation: 20-19=1 Exploring Operation: 54-19=35, Resulting Numbers: [20, 35] Generated Node #0,4,4: 53:[20, 35] Operation: 54-19=35 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 53:[54, 39], Operations: ['9+11=20', '19+20=39'] Exploring Operation: 54*39=2106, Resulting Numbers: [2106] 2106,53 unequal: No Solution Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,53 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 53:[20, 35], Operations: ['9+11=20', '54-19=35'] Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,53 unequal: No Solution Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[20, 73], Operations: ['9+11=20', '54+19=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,53 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[54, 19, 9, 11], Operations: [] Exploring Operation: 9+11=20, Resulting Numbers: [54, 19, 20] Generated Node #0,4: 53:[54, 19, 20] Operation: 9+11=20 Moving to Node #0,4 Current State: 53:[54, 19, 20], Operations: ['9+11=20'] Exploring Operation: 54+19=73, Resulting Numbers: [20, 73] Generated Node #0,4,0: 53:[20, 73] Operation: 54+19=73 Moving to Node #0,4,0 Current State: 53:[20, 73], Operations: ['9+11=20', '54+19=73'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 40, 62, 50, 42 ]
87
[ "42-40=2", "50/2=25", "62+25=87" ]
Current State: 87:[40, 62, 50, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [62, 50, 2] Generated Node #2: [62, 50, 2] from Operation: 42-40=2 Current State: 87:[62, 50, 2], Operations: ['42-40=2'] Exploring Operation: 50/2=25, Resulting Numbers: [62, 25] Generated Node #3: [62, 25] from Operation: 50/2=25 Current State: 87:[62, 25], Operations: ['42-40=2', '50/2=25'] Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[40, 62, 50, 42], Operations: [] Exploring Operation: 40+50=90, Resulting Numbers: [62, 42, 90] Generated Node #0,0: 87:[62, 42, 90] Operation: 40+50=90 Exploring Operation: 62-40=22, Resulting Numbers: [50, 42, 22] Generated Node #0,1: 87:[50, 42, 22] Operation: 62-40=22 Exploring Operation: 62-50=12, Resulting Numbers: [40, 42, 12] Generated Node #0,2: 87:[40, 42, 12] Operation: 62-50=12 Exploring Operation: 62-42=20, Resulting Numbers: [40, 50, 20] Generated Node #0,3: 87:[40, 50, 20] Operation: 62-42=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[40, 42, 12], Operations: ['62-50=12'] Exploring Operation: 40+42=82, Resulting Numbers: [12, 82] Generated Node #0,2,0: 87:[12, 82] Operation: 40+42=82 Exploring Operation: 42-12=30, Resulting Numbers: [40, 30] Generated Node #0,2,1: 87:[40, 30] Operation: 42-12=30 Exploring Operation: 42-40=2, Resulting Numbers: [12, 2] Generated Node #0,2,2: 87:[12, 2] Operation: 42-40=2 Exploring Operation: 40-12=28, Resulting Numbers: [42, 28] Generated Node #0,2,3: 87:[42, 28] Operation: 40-12=28 Moving to Node #0,2,2 Current State: 87:[12, 2], Operations: ['62-50=12', '42-40=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[40, 30], Operations: ['62-50=12', '42-12=30'] Exploring Operation: 40+30=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 40*30=1200, Resulting Numbers: [1200] 1200,87 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[42, 28], Operations: ['62-50=12', '40-12=28'] Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,87 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[12, 82], Operations: ['62-50=12', '40+42=82'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,87 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[62, 42, 90], Operations: ['40+50=90'] Exploring Operation: 62-42=20, Resulting Numbers: [90, 20] Generated Node #0,0,0: 87:[90, 20] Operation: 62-42=20 Exploring Operation: 90-62=28, Resulting Numbers: [42, 28] Generated Node #0,0,1: 87:[42, 28] Operation: 90-62=28 Exploring Operation: 62+42=104, Resulting Numbers: [90, 104] Generated Node #0,0,2: 87:[90, 104] Operation: 62+42=104 Exploring Operation: 90-42=48, Resulting Numbers: [62, 48] Generated Node #0,0,3: 87:[62, 48] Operation: 90-42=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[90, 20], Operations: ['40+50=90', '62-42=20'] Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 90*20=1800, Resulting Numbers: [1800] 1800,87 unequal: No Solution Exploring Operation: 90+20=110, Resulting Numbers: [110] 110,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[42, 28], Operations: ['40+50=90', '90-62=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[90, 104], Operations: ['40+50=90', '62+42=104'] Exploring Operation: 90+104=194, Resulting Numbers: [194] 194,87 unequal: No Solution Exploring Operation: 104-90=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 90*104=9360, Resulting Numbers: [9360] 9360,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 87:[62, 48], Operations: ['40+50=90', '90-42=48'] Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,87 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[50, 42, 22], Operations: ['62-40=22'] Exploring Operation: 50-22=28, Resulting Numbers: [42, 28] Generated Node #0,1,0: 87:[42, 28] Operation: 50-22=28 Exploring Operation: 50+22=72, Resulting Numbers: [42, 72] Generated Node #0,1,1: 87:[42, 72] Operation: 50+22=72 Exploring Operation: 50-42=8, Resulting Numbers: [22, 8] Generated Node #0,1,2: 87:[22, 8] Operation: 50-42=8 Exploring Operation: 50+42=92, Resulting Numbers: [22, 92] Generated Node #0,1,3: 87:[22, 92] Operation: 50+42=92 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 87:[22, 8], Operations: ['62-40=22', '50-42=8'] Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 87:[22, 92], Operations: ['62-40=22', '50+42=92'] Exploring Operation: 22*92=2024, Resulting Numbers: [2024] 2024,87 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 22+92=114, Resulting Numbers: [114] 114,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[42, 28], Operations: ['62-40=22', '50-22=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[42, 72], Operations: ['62-40=22', '50+22=72'] Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,87 unequal: No Solution Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,87 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[40, 50, 20], Operations: ['62-42=20'] Exploring Operation: 40+50=90, Resulting Numbers: [20, 90] Generated Node #0,3,0: 87:[20, 90] Operation: 40+50=90 Exploring Operation: 50-40=10, Resulting Numbers: [20, 10] Generated Node #0,3,1: 87:[20, 10] Operation: 50-40=10 Exploring Operation: 40/20=2, Resulting Numbers: [50, 2] Generated Node #0,3,2: 87:[50, 2] Operation: 40/20=2 Exploring Operation: 50-20=30, Resulting Numbers: [40, 30] Generated Node #0,3,3: 87:[40, 30] Operation: 50-20=30 Moving to Node #0,3,0 Current State: 87:[20, 90], Operations: ['62-42=20', '40+50=90'] Exploring Operation: 20+90=110, Resulting Numbers: [110] 110,87 unequal: No Solution Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 20*90=1800, Resulting Numbers: [1800] 1800,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[40, 30], Operations: ['62-42=20', '50-20=30'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 40+30=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 40*30=1200, Resulting Numbers: [1200] 1200,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[20, 10], Operations: ['62-42=20', '50-40=10'] Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,87 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[50, 2], Operations: ['62-42=20', '40/20=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,87 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 23, 39, 49, 2 ]
81
[ "39-23=16", "2*16=32", "49+32=81" ]
Current State: 81:[23, 39, 49, 2], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [49, 2, 16] Generated Node #2: [49, 2, 16] from Operation: 39-23=16 Current State: 81:[49, 2, 16], Operations: ['39-23=16'] Exploring Operation: 2*16=32, Resulting Numbers: [49, 32] Generated Node #3: [49, 32] from Operation: 2*16=32 Current State: 81:[49, 32], Operations: ['39-23=16', '2*16=32'] Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[23, 39, 49, 2], Operations: [] Exploring Operation: 49-23=26, Resulting Numbers: [39, 2, 26] Generated Node #0,0: 81:[39, 2, 26] Operation: 49-23=26 Exploring Operation: 39+49=88, Resulting Numbers: [23, 2, 88] Generated Node #0,1: 81:[23, 2, 88] Operation: 39+49=88 Exploring Operation: 39*2=78, Resulting Numbers: [23, 49, 78] Generated Node #0,2: 81:[23, 49, 78] Operation: 39*2=78 Exploring Operation: 23+49=72, Resulting Numbers: [39, 2, 72] Generated Node #0,3: 81:[39, 2, 72] Operation: 23+49=72 Exploring Operation: 49-39=10, Resulting Numbers: [23, 2, 10] Generated Node #0,4: 81:[23, 2, 10] Operation: 49-39=10 Moving to Node #0,4 Current State: 81:[23, 2, 10], Operations: ['49-39=10'] Exploring Operation: 23-2=21, Resulting Numbers: [10, 21] Generated Node #0,4,0: 81:[10, 21] Operation: 23-2=21 Exploring Operation: 23-10=13, Resulting Numbers: [2, 13] Generated Node #0,4,1: 81:[2, 13] Operation: 23-10=13 Exploring Operation: 23+2=25, Resulting Numbers: [10, 25] Generated Node #0,4,2: 81:[10, 25] Operation: 23+2=25 Exploring Operation: 10/2=5, Resulting Numbers: [23, 5] Generated Node #0,4,3: 81:[23, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [23, 8] Generated Node #0,4,4: 81:[23, 8] Operation: 10-2=8 Moving to Node #0,1 Current State: 81:[23, 2, 88], Operations: ['39+49=88'] Exploring Operation: 23+2=25, Resulting Numbers: [88, 25] Generated Node #0,1,0: 81:[88, 25] Operation: 23+2=25 Exploring Operation: 23-2=21, Resulting Numbers: [88, 21] Generated Node #0,1,1: 81:[88, 21] Operation: 23-2=21 Exploring Operation: 88-23=65, Resulting Numbers: [2, 65] Generated Node #0,1,2: 81:[2, 65] Operation: 88-23=65 Exploring Operation: 88-2=86, Resulting Numbers: [23, 86] Generated Node #0,1,3: 81:[23, 86] Operation: 88-2=86 Exploring Operation: 2+88=90, Resulting Numbers: [23, 90] Generated Node #0,1,4: 81:[23, 90] Operation: 2+88=90 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[88, 25], Operations: ['39+49=88', '23+2=25'] Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,81 unequal: No Solution Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,81 unequal: No Solution Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 81:[23, 86], Operations: ['39+49=88', '88-2=86'] Exploring Operation: 86-23=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 23*86=1978, Resulting Numbers: [1978] 1978,81 unequal: No Solution Exploring Operation: 23+86=109, Resulting Numbers: [109] 109,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[88, 21], Operations: ['39+49=88', '23-2=21'] Exploring Operation: 88+21=109, Resulting Numbers: [109] 109,81 unequal: No Solution Exploring Operation: 88*21=1848, Resulting Numbers: [1848] 1848,81 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 81:[23, 90], Operations: ['39+49=88', '2+88=90'] Exploring Operation: 90-23=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 23+90=113, Resulting Numbers: [113] 113,81 unequal: No Solution Exploring Operation: 23*90=2070, Resulting Numbers: [2070] 2070,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[2, 65], Operations: ['39+49=88', '88-23=65'] Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,81 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 81:[39, 2, 26], Operations: ['49-23=26'] Exploring Operation: 39-26=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 81:[2, 13] Operation: 39-26=13 Exploring Operation: 39-2=37, Resulting Numbers: [26, 37] Generated Node #0,0,1: 81:[26, 37] Operation: 39-2=37 Exploring Operation: 39+2=41, Resulting Numbers: [26, 41] Generated Node #0,0,2: 81:[26, 41] Operation: 39+2=41 Exploring Operation: 2+26=28, Resulting Numbers: [39, 28] Generated Node #0,0,3: 81:[39, 28] Operation: 2+26=28 Exploring Operation: 39*2=78, Resulting Numbers: [26, 78] Generated Node #0,0,4: 81:[26, 78] Operation: 39*2=78 Moving to Node #0,3 Current State: 81:[39, 2, 72], Operations: ['23+49=72'] Exploring Operation: 72-39=33, Resulting Numbers: [2, 33] Generated Node #0,3,0: 81:[2, 33] Operation: 72-39=33 Exploring Operation: 2+72=74, Resulting Numbers: [39, 74] Generated Node #0,3,1: 81:[39, 74] Operation: 2+72=74 Exploring Operation: 39*2=78, Resulting Numbers: [72, 78] Generated Node #0,3,2: 81:[72, 78] Operation: 39*2=78 Exploring Operation: 39-2=37, Resulting Numbers: [72, 37] Generated Node #0,3,3: 81:[72, 37] Operation: 39-2=37 Exploring Operation: 72/2=36, Resulting Numbers: [39, 36] Generated Node #0,3,4: 81:[39, 36] Operation: 72/2=36 Moving to Node #0,2 Current State: 81:[23, 49, 78], Operations: ['39*2=78'] Exploring Operation: 23+78=101, Resulting Numbers: [49, 101] Generated Node #0,2,0: 81:[49, 101] Operation: 23+78=101 Exploring Operation: 78-23=55, Resulting Numbers: [49, 55] Generated Node #0,2,1: 81:[49, 55] Operation: 78-23=55 Exploring Operation: 78-49=29, Resulting Numbers: [23, 29] Generated Node #0,2,2: 81:[23, 29] Operation: 78-49=29 Exploring Operation: 23+49=72, Resulting Numbers: [78, 72] Generated Node #0,2,3: 81:[78, 72] Operation: 23+49=72 Exploring Operation: 49-23=26, Resulting Numbers: [78, 26] Generated Node #0,2,4: 81:[78, 26] Operation: 49-23=26 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 81:[78, 26], Operations: ['39*2=78', '49-23=26'] Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 78*26=2028, Resulting Numbers: [2028] 2028,81 unequal: No Solution Exploring Operation: 78+26=104, Resulting Numbers: [104] 104,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[23, 29], Operations: ['39*2=78', '78-49=29'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,81 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[78, 72], Operations: ['39*2=78', '23+49=72'] Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 78*72=5616, Resulting Numbers: [5616] 5616,81 unequal: No Solution Exploring Operation: 78+72=150, Resulting Numbers: [150] 150,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[49, 101], Operations: ['39*2=78', '23+78=101'] Exploring Operation: 49*101=4949, Resulting Numbers: [4949] 4949,81 unequal: No Solution Exploring Operation: 101-49=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 49+101=150, Resulting Numbers: [150] 150,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[49, 55], Operations: ['39*2=78', '78-23=55'] Exploring Operation: 49+55=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 49*55=2695, Resulting Numbers: [2695] 2695,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 81:[10, 25], Operations: ['49-39=10', '23+2=25'] Exploring Operation: 10*25=250, Resulting Numbers: [250] 250,81 unequal: No Solution Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,0,4 Current State: 81:[26, 78], Operations: ['49-23=26', '39*2=78'] Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 26+78=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 26*78=2028, Resulting Numbers: [2028] 2028,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[2, 13], Operations: ['49-23=26', '39-26=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[23, 8], Operations: ['49-39=10', '10-2=8'] Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,81 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,81 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[2, 13], Operations: ['49-39=10', '23-10=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[23, 5], Operations: ['49-39=10', '10/2=5'] Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,81 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,81 unequal: No Solution Moving to Node #0,4,0 Current State: 81:[10, 21], Operations: ['49-39=10', '23-2=21'] Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,81 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[2, 33], Operations: ['23+49=72', '72-39=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[26, 37], Operations: ['49-23=26', '39-2=37'] Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[72, 78], Operations: ['23+49=72', '39*2=78'] Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 72*78=5616, Resulting Numbers: [5616] 5616,81 unequal: No Solution Exploring Operation: 72+78=150, Resulting Numbers: [150] 150,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[39, 28], Operations: ['49-23=26', '2+26=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,81 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[26, 41], Operations: ['49-23=26', '39+2=41'] Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,81 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[39, 74], Operations: ['23+49=72', '2+72=74'] Exploring Operation: 39*74=2886, Resulting Numbers: [2886] 2886,81 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 39+74=113, Resulting Numbers: [113] 113,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[72, 37], Operations: ['23+49=72', '39-2=37'] Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,81 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,81 unequal: No Solution Moving to Node #0,3,4 Current State: 81:[39, 36], Operations: ['23+49=72', '72/2=36'] Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,81 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,81 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 24, 66, 17, 13 ]
46
[ "66-24=42", "17-13=4", "42+4=46" ]
Current State: 46:[24, 66, 17, 13], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [17, 13, 42] Generated Node #2: [17, 13, 42] from Operation: 66-24=42 Current State: 46:[17, 13, 42], Operations: ['66-24=42'] Exploring Operation: 17-13=4, Resulting Numbers: [42, 4] Generated Node #3: [42, 4] from Operation: 17-13=4 Current State: 46:[42, 4], Operations: ['66-24=42', '17-13=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[24, 66, 17, 13], Operations: [] Exploring Operation: 66-17=49, Resulting Numbers: [24, 13, 49] Generated Node #0,0: 46:[24, 13, 49] Operation: 66-17=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[24, 13, 49], Operations: ['66-17=49'] Exploring Operation: 49-13=36, Resulting Numbers: [24, 36] Generated Node #0,0,0: 46:[24, 36] Operation: 49-13=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[24, 36], Operations: ['66-17=49', '49-13=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 19, 33, 49 ]
60
[ "4*19=76", "49-33=16", "76-16=60" ]
Current State: 60:[4, 19, 33, 49], Operations: [] Exploring Operation: 4*19=76, Resulting Numbers: [33, 49, 76] Generated Node #2: [33, 49, 76] from Operation: 4*19=76 Current State: 60:[33, 49, 76], Operations: ['4*19=76'] Exploring Operation: 49-33=16, Resulting Numbers: [76, 16] Generated Node #3: [76, 16] from Operation: 49-33=16 Current State: 60:[76, 16], Operations: ['4*19=76', '49-33=16'] Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[4, 19, 33, 49], Operations: [] Exploring Operation: 49-33=16, Resulting Numbers: [4, 19, 16] Generated Node #0,0: 60:[4, 19, 16] Operation: 49-33=16 Moving to Node #0,0 Current State: 60:[4, 19, 16], Operations: ['49-33=16'] Exploring Operation: 19-16=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 60:[4, 3] Operation: 19-16=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[4, 3], Operations: ['49-33=16', '19-16=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 64, 3, 97 ]
17
[ "78+97=175", "64*3=192", "192-175=17" ]
Current State: 17:[78, 64, 3, 97], Operations: [] Exploring Operation: 78+97=175, Resulting Numbers: [64, 3, 175] Generated Node #2: [64, 3, 175] from Operation: 78+97=175 Current State: 17:[64, 3, 175], Operations: ['78+97=175'] Exploring Operation: 64*3=192, Resulting Numbers: [175, 192] Generated Node #3: [175, 192] from Operation: 64*3=192 Current State: 17:[175, 192], Operations: ['78+97=175', '64*3=192'] Exploring Operation: 192-175=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[78, 64, 3, 97], Operations: [] Exploring Operation: 78-64=14, Resulting Numbers: [3, 97, 14] Generated Node #0,0: 17:[3, 97, 14] Operation: 78-64=14 Exploring Operation: 97-78=19, Resulting Numbers: [64, 3, 19] Generated Node #0,1: 17:[64, 3, 19] Operation: 97-78=19 Exploring Operation: 78/3=26, Resulting Numbers: [64, 97, 26] Generated Node #0,2: 17:[64, 97, 26] Operation: 78/3=26 Exploring Operation: 97-64=33, Resulting Numbers: [78, 3, 33] Generated Node #0,3: 17:[78, 3, 33] Operation: 97-64=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[64, 3, 19], Operations: ['97-78=19'] Exploring Operation: 64-19=45, Resulting Numbers: [3, 45] Generated Node #0,1,0: 17:[3, 45] Operation: 64-19=45 Exploring Operation: 64+3=67, Resulting Numbers: [19, 67] Generated Node #0,1,1: 17:[19, 67] Operation: 64+3=67 Exploring Operation: 19-3=16, Resulting Numbers: [64, 16] Generated Node #0,1,2: 17:[64, 16] Operation: 19-3=16 Exploring Operation: 64-3=61, Resulting Numbers: [19, 61] Generated Node #0,1,3: 17:[19, 61] Operation: 64-3=61 Moving to Node #0,1,0 Current State: 17:[3, 45], Operations: ['97-78=19', '64-19=45'] Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,17 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[19, 61], Operations: ['97-78=19', '64-3=61'] Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,17 unequal: No Solution Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[64, 16], Operations: ['97-78=19', '19-3=16'] Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,17 unequal: No Solution Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[19, 67], Operations: ['97-78=19', '64+3=67'] Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,17 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[78, 3, 33], Operations: ['97-64=33'] Exploring Operation: 78/3=26, Resulting Numbers: [33, 26] Generated Node #0,3,0: 17:[33, 26] Operation: 78/3=26 Exploring Operation: 78-33=45, Resulting Numbers: [3, 45] Generated Node #0,3,1: 17:[3, 45] Operation: 78-33=45 Exploring Operation: 78-3=75, Resulting Numbers: [33, 75] Generated Node #0,3,2: 17:[33, 75] Operation: 78-3=75 Exploring Operation: 33/3=11, Resulting Numbers: [78, 11] Generated Node #0,3,3: 17:[78, 11] Operation: 33/3=11 Moving to Node #0,3,0 Current State: 17:[33, 26], Operations: ['97-64=33', '78/3=26'] Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,17 unequal: No Solution Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,17 unequal: No Solution Moving to Node #0,3,1 Current State: 17:[3, 45], Operations: ['97-64=33', '78-33=45'] Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,17 unequal: No Solution Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[78, 11], Operations: ['97-64=33', '33/3=11'] Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,17 unequal: No Solution Exploring Operation: 78*11=858, Resulting Numbers: [858] 858,17 unequal: No Solution Exploring Operation: 78+11=89, Resulting Numbers: [89] 89,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[33, 75], Operations: ['97-64=33', '78-3=75'] Exploring Operation: 33+75=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 33*75=2475, Resulting Numbers: [2475] 2475,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[3, 97, 14], Operations: ['78-64=14'] Exploring Operation: 97-3=94, Resulting Numbers: [14, 94] Generated Node #0,0,0: 17:[14, 94] Operation: 97-3=94 Exploring Operation: 3+14=17, Resulting Numbers: [97, 17] Generated Node #0,0,1: 17:[97, 17] Operation: 3+14=17 Exploring Operation: 97-14=83, Resulting Numbers: [3, 83] Generated Node #0,0,2: 17:[3, 83] Operation: 97-14=83 Exploring Operation: 3+97=100, Resulting Numbers: [14, 100] Generated Node #0,0,3: 17:[14, 100] Operation: 3+97=100 Moving to Node #0,0,0 Current State: 17:[14, 94], Operations: ['78-64=14', '97-3=94'] Exploring Operation: 14+94=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 14*94=1316, Resulting Numbers: [1316] 1316,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[3, 83], Operations: ['78-64=14', '97-14=83'] Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,17 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,17 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[97, 17], Operations: ['78-64=14', '3+14=17'] Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,17 unequal: No Solution Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[14, 100], Operations: ['78-64=14', '3+97=100'] Exploring Operation: 14*100=1400, Resulting Numbers: [1400] 1400,17 unequal: No Solution Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,17 unequal: No Solution Exploring Operation: 14+100=114, Resulting Numbers: [114] 114,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[64, 97, 26], Operations: ['78/3=26'] Exploring Operation: 64-26=38, Resulting Numbers: [97, 38] Generated Node #0,2,0: 17:[97, 38] Operation: 64-26=38 Exploring Operation: 97-64=33, Resulting Numbers: [26, 33] Generated Node #0,2,1: 17:[26, 33] Operation: 97-64=33 Exploring Operation: 64+97=161, Resulting Numbers: [26, 161] Generated Node #0,2,2: 17:[26, 161] Operation: 64+97=161 Exploring Operation: 97-26=71, Resulting Numbers: [64, 71] Generated Node #0,2,3: 17:[64, 71] Operation: 97-26=71 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[26, 33], Operations: ['78/3=26', '97-64=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,17 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[97, 38], Operations: ['78/3=26', '64-26=38'] Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 97*38=3686, Resulting Numbers: [3686] 3686,17 unequal: No Solution Exploring Operation: 97+38=135, Resulting Numbers: [135] 135,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 17:[64, 71], Operations: ['78/3=26', '97-26=71'] Exploring Operation: 64*71=4544, Resulting Numbers: [4544] 4544,17 unequal: No Solution Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 64+71=135, Resulting Numbers: [135] 135,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[26, 161], Operations: ['78/3=26', '64+97=161'] Exploring Operation: 26+161=187, Resulting Numbers: [187] 187,17 unequal: No Solution Exploring Operation: 26*161=4186, Resulting Numbers: [4186] 4186,17 unequal: No Solution Exploring Operation: 161-26=135, Resulting Numbers: [135] 135,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 12, 79, 63, 10 ]
34
[ "12*63=756", "79*10=790", "790-756=34" ]
Current State: 34:[12, 79, 63, 10], Operations: [] Exploring Operation: 12*63=756, Resulting Numbers: [79, 10, 756] Generated Node #2: [79, 10, 756] from Operation: 12*63=756 Current State: 34:[79, 10, 756], Operations: ['12*63=756'] Exploring Operation: 79*10=790, Resulting Numbers: [756, 790] Generated Node #3: [756, 790] from Operation: 79*10=790 Current State: 34:[756, 790], Operations: ['12*63=756', '79*10=790'] Exploring Operation: 790-756=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[12, 79, 63, 10], Operations: [] Exploring Operation: 79-63=16, Resulting Numbers: [12, 10, 16] Generated Node #0,0: 34:[12, 10, 16] Operation: 79-63=16 Exploring Operation: 79-12=67, Resulting Numbers: [63, 10, 67] Generated Node #0,1: 34:[63, 10, 67] Operation: 79-12=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[12, 10, 16], Operations: ['79-63=16'] Exploring Operation: 12-10=2, Resulting Numbers: [16, 2] Generated Node #0,0,0: 34:[16, 2] Operation: 12-10=2 Exploring Operation: 12+10=22, Resulting Numbers: [16, 22] Generated Node #0,0,1: 34:[16, 22] Operation: 12+10=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[16, 2], Operations: ['79-63=16', '12-10=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[16, 22], Operations: ['79-63=16', '12+10=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[63, 10, 67], Operations: ['79-12=67'] Exploring Operation: 67-63=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 34:[10, 4] Operation: 67-63=4 Exploring Operation: 63-10=53, Resulting Numbers: [67, 53] Generated Node #0,1,1: 34:[67, 53] Operation: 63-10=53 Moving to Node #0,1,0 Current State: 34:[10, 4], Operations: ['79-12=67', '67-63=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[67, 53], Operations: ['79-12=67', '63-10=53'] Exploring Operation: 67+53=120, Resulting Numbers: [120] 120,34 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 78, 28, 7, 89 ]
29
[ "78+89=167", "28*7=196", "196-167=29" ]
Current State: 29:[78, 28, 7, 89], Operations: [] Exploring Operation: 78+89=167, Resulting Numbers: [28, 7, 167] Generated Node #2: [28, 7, 167] from Operation: 78+89=167 Current State: 29:[28, 7, 167], Operations: ['78+89=167'] Exploring Operation: 28*7=196, Resulting Numbers: [167, 196] Generated Node #3: [167, 196] from Operation: 28*7=196 Current State: 29:[167, 196], Operations: ['78+89=167', '28*7=196'] Exploring Operation: 196-167=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[78, 28, 7, 89], Operations: [] Exploring Operation: 78-28=50, Resulting Numbers: [7, 89, 50] Generated Node #0,0: 29:[7, 89, 50] Operation: 78-28=50 Exploring Operation: 89-78=11, Resulting Numbers: [28, 7, 11] Generated Node #0,1: 29:[28, 7, 11] Operation: 89-78=11 Exploring Operation: 78-7=71, Resulting Numbers: [28, 89, 71] Generated Node #0,2: 29:[28, 89, 71] Operation: 78-7=71 Moving to Node #0,1 Current State: 29:[28, 7, 11], Operations: ['89-78=11'] Exploring Operation: 28+7=35, Resulting Numbers: [11, 35] Generated Node #0,1,0: 29:[11, 35] Operation: 28+7=35 Exploring Operation: 28-7=21, Resulting Numbers: [11, 21] Generated Node #0,1,1: 29:[11, 21] Operation: 28-7=21 Exploring Operation: 7+11=18, Resulting Numbers: [28, 18] Generated Node #0,1,2: 29:[28, 18] Operation: 7+11=18 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[28, 18], Operations: ['89-78=11', '7+11=18'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,29 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[11, 35], Operations: ['89-78=11', '28+7=35'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[11, 21], Operations: ['89-78=11', '28-7=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,29 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 29:[7, 89, 50], Operations: ['78-28=50'] Exploring Operation: 89-7=82, Resulting Numbers: [50, 82] Generated Node #0,0,0: 29:[50, 82] Operation: 89-7=82 Exploring Operation: 50-7=43, Resulting Numbers: [89, 43] Generated Node #0,0,1: 29:[89, 43] Operation: 50-7=43 Exploring Operation: 89-50=39, Resulting Numbers: [7, 39] Generated Node #0,0,2: 29:[7, 39] Operation: 89-50=39 Moving to Node #0,2 Current State: 29:[28, 89, 71], Operations: ['78-7=71'] Exploring Operation: 71-28=43, Resulting Numbers: [89, 43] Generated Node #0,2,0: 29:[89, 43] Operation: 71-28=43 Exploring Operation: 89-71=18, Resulting Numbers: [28, 18] Generated Node #0,2,1: 29:[28, 18] Operation: 89-71=18 Exploring Operation: 89-28=61, Resulting Numbers: [71, 61] Generated Node #0,2,2: 29:[71, 61] Operation: 89-28=61 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[28, 18], Operations: ['78-7=71', '89-71=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[89, 43], Operations: ['78-7=71', '71-28=43'] Exploring Operation: 89*43=3827, Resulting Numbers: [3827] 3827,29 unequal: No Solution Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 89+43=132, Resulting Numbers: [132] 132,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[71, 61], Operations: ['78-7=71', '89-28=61'] Exploring Operation: 71*61=4331, Resulting Numbers: [4331] 4331,29 unequal: No Solution Exploring Operation: 71+61=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 71-61=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 29:[7, 39], Operations: ['78-28=50', '89-50=39'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,29 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[50, 82], Operations: ['78-28=50', '89-7=82'] Exploring Operation: 50+82=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 50*82=4100, Resulting Numbers: [4100] 4100,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[89, 43], Operations: ['78-28=50', '50-7=43'] Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 89*43=3827, Resulting Numbers: [3827] 3827,29 unequal: No Solution Exploring Operation: 89+43=132, Resulting Numbers: [132] 132,29 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 66, 9, 6, 24 ]
20
[ "66*6=396", "396/9=44", "44-24=20" ]
Current State: 20:[66, 9, 6, 24], Operations: [] Exploring Operation: 66*6=396, Resulting Numbers: [9, 24, 396] Generated Node #2: [9, 24, 396] from Operation: 66*6=396 Current State: 20:[9, 24, 396], Operations: ['66*6=396'] Exploring Operation: 396/9=44, Resulting Numbers: [24, 44] Generated Node #3: [24, 44] from Operation: 396/9=44 Current State: 20:[24, 44], Operations: ['66*6=396', '396/9=44'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[66, 9, 6, 24], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [9, 24, 11] Generated Node #0,0: 20:[9, 24, 11] Operation: 66/6=11 Moving to Node #0,0 Current State: 20:[9, 24, 11], Operations: ['66/6=11'] Exploring Operation: 9+11=20, Resulting Numbers: [24, 20] Generated Node #0,0,0: 20:[24, 20] Operation: 9+11=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[24, 20], Operations: ['66/6=11', '9+11=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 54, 32, 78 ]
92
[ "7*32=224", "54+78=132", "224-132=92" ]
Current State: 92:[7, 54, 32, 78], Operations: [] Exploring Operation: 7*32=224, Resulting Numbers: [54, 78, 224] Generated Node #2: [54, 78, 224] from Operation: 7*32=224 Current State: 92:[54, 78, 224], Operations: ['7*32=224'] Exploring Operation: 54+78=132, Resulting Numbers: [224, 132] Generated Node #3: [224, 132] from Operation: 54+78=132 Current State: 92:[224, 132], Operations: ['7*32=224', '54+78=132'] Exploring Operation: 224-132=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[7, 54, 32, 78], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [7, 32, 24] Generated Node #0,0: 92:[7, 32, 24] Operation: 78-54=24 Exploring Operation: 78-32=46, Resulting Numbers: [7, 54, 46] Generated Node #0,1: 92:[7, 54, 46] Operation: 78-32=46 Exploring Operation: 54-32=22, Resulting Numbers: [7, 78, 22] Generated Node #0,2: 92:[7, 78, 22] Operation: 54-32=22 Moving to Node #0,1 Current State: 92:[7, 54, 46], Operations: ['78-32=46'] Exploring Operation: 54-7=47, Resulting Numbers: [46, 47] Generated Node #0,1,0: 92:[46, 47] Operation: 54-7=47 Exploring Operation: 54-46=8, Resulting Numbers: [7, 8] Generated Node #0,1,1: 92:[7, 8] Operation: 54-46=8 Exploring Operation: 54+46=100, Resulting Numbers: [7, 100] Generated Node #0,1,2: 92:[7, 100] Operation: 54+46=100 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[46, 47], Operations: ['78-32=46', '54-7=47'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[7, 8], Operations: ['78-32=46', '54-46=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,92 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[7, 100], Operations: ['78-32=46', '54+46=100'] Exploring Operation: 7*100=700, Resulting Numbers: [700] 700,92 unequal: No Solution Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 7+100=107, Resulting Numbers: [107] 107,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 92:[7, 32, 24], Operations: ['78-54=24'] Exploring Operation: 7+32=39, Resulting Numbers: [24, 39] Generated Node #0,0,0: 92:[24, 39] Operation: 7+32=39 Exploring Operation: 32-7=25, Resulting Numbers: [24, 25] Generated Node #0,0,1: 92:[24, 25] Operation: 32-7=25 Exploring Operation: 32-24=8, Resulting Numbers: [7, 8] Generated Node #0,0,2: 92:[7, 8] Operation: 32-24=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[24, 25], Operations: ['78-54=24', '32-7=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[7, 8], Operations: ['78-54=24', '32-24=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[24, 39], Operations: ['78-54=24', '7+32=39'] Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,92 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 92:[7, 78, 22], Operations: ['54-32=22'] Exploring Operation: 78-22=56, Resulting Numbers: [7, 56] Generated Node #0,2,0: 92:[7, 56] Operation: 78-22=56 Exploring Operation: 78+22=100, Resulting Numbers: [7, 100] Generated Node #0,2,1: 92:[7, 100] Operation: 78+22=100 Exploring Operation: 7+78=85, Resulting Numbers: [22, 85] Generated Node #0,2,2: 92:[22, 85] Operation: 7+78=85 Moving to Node #0,2,2 Current State: 92:[22, 85], Operations: ['54-32=22', '7+78=85'] Exploring Operation: 22+85=107, Resulting Numbers: [107] 107,92 unequal: No Solution Exploring Operation: 85-22=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 22*85=1870, Resulting Numbers: [1870] 1870,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[7, 100], Operations: ['54-32=22', '78+22=100'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 7*100=700, Resulting Numbers: [700] 700,92 unequal: No Solution Exploring Operation: 7+100=107, Resulting Numbers: [107] 107,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[7, 56], Operations: ['54-32=22', '78-22=56'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,92 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 52, 69, 12, 13 ]
35
[ "52+69=121", "12*13=156", "156-121=35" ]
Current State: 35:[52, 69, 12, 13], Operations: [] Exploring Operation: 52+69=121, Resulting Numbers: [12, 13, 121] Generated Node #2: [12, 13, 121] from Operation: 52+69=121 Current State: 35:[12, 13, 121], Operations: ['52+69=121'] Exploring Operation: 12*13=156, Resulting Numbers: [121, 156] Generated Node #3: [121, 156] from Operation: 12*13=156 Current State: 35:[121, 156], Operations: ['52+69=121', '12*13=156'] Exploring Operation: 156-121=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[52, 69, 12, 13], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [12, 13, 17] Generated Node #0,0: 35:[12, 13, 17] Operation: 69-52=17 Exploring Operation: 52-13=39, Resulting Numbers: [69, 12, 39] Generated Node #0,1: 35:[69, 12, 39] Operation: 52-13=39 Exploring Operation: 52/13=4, Resulting Numbers: [69, 12, 4] Generated Node #0,2: 35:[69, 12, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[12, 13, 17], Operations: ['69-52=17'] Exploring Operation: 17-12=5, Resulting Numbers: [13, 5] Generated Node #0,0,0: 35:[13, 5] Operation: 17-12=5 Exploring Operation: 13+17=30, Resulting Numbers: [12, 30] Generated Node #0,0,1: 35:[12, 30] Operation: 13+17=30 Exploring Operation: 17-13=4, Resulting Numbers: [12, 4] Generated Node #0,0,2: 35:[12, 4] Operation: 17-13=4 Moving to Node #0,0,0 Current State: 35:[13, 5], Operations: ['69-52=17', '17-12=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,35 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[12, 4], Operations: ['69-52=17', '17-13=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[12, 30], Operations: ['69-52=17', '13+17=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,35 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[69, 12, 4], Operations: ['52/13=4'] Exploring Operation: 69-4=65, Resulting Numbers: [12, 65] Generated Node #0,2,0: 35:[12, 65] Operation: 69-4=65 Exploring Operation: 69-12=57, Resulting Numbers: [4, 57] Generated Node #0,2,1: 35:[4, 57] Operation: 69-12=57 Exploring Operation: 12-4=8, Resulting Numbers: [69, 8] Generated Node #0,2,2: 35:[69, 8] Operation: 12-4=8 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[4, 57], Operations: ['52/13=4', '69-12=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,35 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[12, 65], Operations: ['52/13=4', '69-4=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 12*65=780, Resulting Numbers: [780] 780,35 unequal: No Solution Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[69, 8], Operations: ['52/13=4', '12-4=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,35 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[69, 12, 39], Operations: ['52-13=39'] Exploring Operation: 69-39=30, Resulting Numbers: [12, 30] Generated Node #0,1,0: 35:[12, 30] Operation: 69-39=30 Exploring Operation: 39-12=27, Resulting Numbers: [69, 27] Generated Node #0,1,1: 35:[69, 27] Operation: 39-12=27 Exploring Operation: 69-12=57, Resulting Numbers: [39, 57] Generated Node #0,1,2: 35:[39, 57] Operation: 69-12=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[12, 30], Operations: ['52-13=39', '69-39=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,35 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[39, 57], Operations: ['52-13=39', '69-12=57'] Exploring Operation: 39*57=2223, Resulting Numbers: [2223] 2223,35 unequal: No Solution Exploring Operation: 39+57=96, Resulting Numbers: [96] 96,35 unequal: No Solution Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[69, 27], Operations: ['52-13=39', '39-12=27'] Exploring Operation: 69*27=1863, Resulting Numbers: [1863] 1863,35 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 69+27=96, Resulting Numbers: [96] 96,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 64, 42, 19, 21 ]
32
[ "42-19=23", "23-21=2", "64/2=32" ]
Current State: 32:[64, 42, 19, 21], Operations: [] Exploring Operation: 42-19=23, Resulting Numbers: [64, 21, 23] Generated Node #2: [64, 21, 23] from Operation: 42-19=23 Current State: 32:[64, 21, 23], Operations: ['42-19=23'] Exploring Operation: 23-21=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 23-21=2 Current State: 32:[64, 2], Operations: ['42-19=23', '23-21=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[64, 42, 19, 21], Operations: [] Exploring Operation: 64-21=43, Resulting Numbers: [42, 19, 43] Generated Node #0,0: 32:[42, 19, 43] Operation: 64-21=43 Exploring Operation: 64-42=22, Resulting Numbers: [19, 21, 22] Generated Node #0,1: 32:[19, 21, 22] Operation: 64-42=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[19, 21, 22], Operations: ['64-42=22'] Exploring Operation: 22-21=1, Resulting Numbers: [19, 1] Generated Node #0,1,0: 32:[19, 1] Operation: 22-21=1 Exploring Operation: 21-19=2, Resulting Numbers: [22, 2] Generated Node #0,1,1: 32:[22, 2] Operation: 21-19=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[19, 1], Operations: ['64-42=22', '22-21=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[22, 2], Operations: ['64-42=22', '21-19=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[42, 19, 43], Operations: ['64-21=43'] Exploring Operation: 42-19=23, Resulting Numbers: [43, 23] Generated Node #0,0,0: 32:[43, 23] Operation: 42-19=23 Exploring Operation: 43-42=1, Resulting Numbers: [19, 1] Generated Node #0,0,1: 32:[19, 1] Operation: 43-42=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[19, 1], Operations: ['64-21=43', '43-42=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[43, 23], Operations: ['64-21=43', '42-19=23'] Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 62, 58, 74, 16 ]
70
[ "62-58=4", "16/4=4", "74-4=70" ]
Current State: 70:[62, 58, 74, 16], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [74, 16, 4] Generated Node #2: [74, 16, 4] from Operation: 62-58=4 Current State: 70:[74, 16, 4], Operations: ['62-58=4'] Exploring Operation: 16/4=4, Resulting Numbers: [74, 4] Generated Node #3: [74, 4] from Operation: 16/4=4 Current State: 70:[74, 4], Operations: ['62-58=4', '16/4=4'] Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[62, 58, 74, 16], Operations: [] Exploring Operation: 74-62=12, Resulting Numbers: [58, 16, 12] Generated Node #0,0: 70:[58, 16, 12] Operation: 74-62=12 Exploring Operation: 58+16=74, Resulting Numbers: [62, 74, 74] Generated Node #0,1: 70:[62, 74, 74] Operation: 58+16=74 Exploring Operation: 74-58=16, Resulting Numbers: [62, 16, 16] Generated Node #0,2: 70:[62, 16, 16] Operation: 74-58=16 Exploring Operation: 62-58=4, Resulting Numbers: [74, 16, 4] Generated Node #0,3: 70:[74, 16, 4] Operation: 62-58=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[74, 16, 4], Operations: ['62-58=4'] Exploring Operation: 16/4=4, Resulting Numbers: [74, 4] Generated Node #0,3,0: 70:[74, 4] Operation: 16/4=4 Exploring Operation: 74-4=70, Resulting Numbers: [16, 70] Generated Node #0,3,1: 70:[16, 70] Operation: 74-4=70 Exploring Operation: 16-4=12, Resulting Numbers: [74, 12] Generated Node #0,3,2: 70:[74, 12] Operation: 16-4=12 Exploring Operation: 74+4=78, Resulting Numbers: [16, 78] Generated Node #0,3,3: 70:[16, 78] Operation: 74+4=78 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[16, 70], Operations: ['62-58=4', '74-4=70'] Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 16*70=1120, Resulting Numbers: [1120] 1120,70 unequal: No Solution Exploring Operation: 16+70=86, Resulting Numbers: [86] 86,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[74, 4], Operations: ['62-58=4', '16/4=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,70 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[62, 58, 74, 16], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [74, 16, 4] Generated Node #0,3: 70:[74, 16, 4] Operation: 62-58=4 Moving to Node #0,3 Current State: 70:[74, 16, 4], Operations: ['62-58=4'] Exploring Operation: 16/4=4, Resulting Numbers: [74, 4] Generated Node #0,3,0: 70:[74, 4] Operation: 16/4=4 Moving to Node #0,3,0 Current State: 70:[74, 4], Operations: ['62-58=4', '16/4=4'] Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 74, 31, 29, 32 ]
84
[ "74-32=42", "31-29=2", "42*2=84" ]
Current State: 84:[74, 31, 29, 32], Operations: [] Exploring Operation: 74-32=42, Resulting Numbers: [31, 29, 42] Generated Node #2: [31, 29, 42] from Operation: 74-32=42 Current State: 84:[31, 29, 42], Operations: ['74-32=42'] Exploring Operation: 31-29=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 31-29=2 Current State: 84:[42, 2], Operations: ['74-32=42', '31-29=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[74, 31, 29, 32], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [29, 32, 43] Generated Node #0,0: 84:[29, 32, 43] Operation: 74-31=43 Exploring Operation: 74-29=45, Resulting Numbers: [31, 32, 45] Generated Node #0,1: 84:[31, 32, 45] Operation: 74-29=45 Exploring Operation: 74-32=42, Resulting Numbers: [31, 29, 42] Generated Node #0,2: 84:[31, 29, 42] Operation: 74-32=42 Exploring Operation: 32-29=3, Resulting Numbers: [74, 31, 3] Generated Node #0,3: 84:[74, 31, 3] Operation: 32-29=3 Exploring Operation: 32-31=1, Resulting Numbers: [74, 29, 1] Generated Node #0,4: 84:[74, 29, 1] Operation: 32-31=1 Moving to Node #0,2 Current State: 84:[31, 29, 42], Operations: ['74-32=42'] Exploring Operation: 31+42=73, Resulting Numbers: [29, 73] Generated Node #0,2,0: 84:[29, 73] Operation: 31+42=73 Exploring Operation: 42-29=13, Resulting Numbers: [31, 13] Generated Node #0,2,1: 84:[31, 13] Operation: 42-29=13 Exploring Operation: 29+42=71, Resulting Numbers: [31, 71] Generated Node #0,2,2: 84:[31, 71] Operation: 29+42=71 Exploring Operation: 31-29=2, Resulting Numbers: [42, 2] Generated Node #0,2,3: 84:[42, 2] Operation: 31-29=2 Exploring Operation: 42-31=11, Resulting Numbers: [29, 11] Generated Node #0,2,4: 84:[29, 11] Operation: 42-31=11 Moving to Node #0,0 Current State: 84:[29, 32, 43], Operations: ['74-31=43'] Exploring Operation: 43-29=14, Resulting Numbers: [32, 14] Generated Node #0,0,0: 84:[32, 14] Operation: 43-29=14 Exploring Operation: 32+43=75, Resulting Numbers: [29, 75] Generated Node #0,0,1: 84:[29, 75] Operation: 32+43=75 Exploring Operation: 32-29=3, Resulting Numbers: [43, 3] Generated Node #0,0,2: 84:[43, 3] Operation: 32-29=3 Exploring Operation: 29+43=72, Resulting Numbers: [32, 72] Generated Node #0,0,3: 84:[32, 72] Operation: 29+43=72 Exploring Operation: 43-32=11, Resulting Numbers: [29, 11] Generated Node #0,0,4: 84:[29, 11] Operation: 43-32=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[43, 3], Operations: ['74-31=43', '32-29=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,84 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[29, 11], Operations: ['74-31=43', '43-32=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 29*11=319, Resulting Numbers: [319] 319,84 unequal: No Solution Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[32, 14], Operations: ['74-31=43', '43-29=14'] Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,84 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[29, 75], Operations: ['74-31=43', '32+43=75'] Exploring Operation: 29+75=104, Resulting Numbers: [104] 104,84 unequal: No Solution Exploring Operation: 29*75=2175, Resulting Numbers: [2175] 2175,84 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[32, 72], Operations: ['74-31=43', '29+43=72'] Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,84 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,84 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 84:[31, 32, 45], Operations: ['74-29=45'] Exploring Operation: 45-31=14, Resulting Numbers: [32, 14] Generated Node #0,1,0: 84:[32, 14] Operation: 45-31=14 Exploring Operation: 32+45=77, Resulting Numbers: [31, 77] Generated Node #0,1,1: 84:[31, 77] Operation: 32+45=77 Exploring Operation: 45-32=13, Resulting Numbers: [31, 13] Generated Node #0,1,2: 84:[31, 13] Operation: 45-32=13 Exploring Operation: 31+45=76, Resulting Numbers: [32, 76] Generated Node #0,1,3: 84:[32, 76] Operation: 31+45=76 Exploring Operation: 32-31=1, Resulting Numbers: [45, 1] Generated Node #0,1,4: 84:[45, 1] Operation: 32-31=1 Moving to Node #0,4 Current State: 84:[74, 29, 1], Operations: ['32-31=1'] Exploring Operation: 74-29=45, Resulting Numbers: [1, 45] Generated Node #0,4,0: 84:[1, 45] Operation: 74-29=45 Exploring Operation: 74/1=74, Resulting Numbers: [29, 74] Generated Node #0,4,1: 84:[29, 74] Operation: 74/1=74 Exploring Operation: 29-1=28, Resulting Numbers: [74, 28] Generated Node #0,4,2: 84:[74, 28] Operation: 29-1=28 Exploring Operation: 74+1=75, Resulting Numbers: [29, 75] Generated Node #0,4,3: 84:[29, 75] Operation: 74+1=75 Exploring Operation: 74*1=74, Resulting Numbers: [29, 74] Generated Node #0,4,4: 84:[29, 74] Operation: 74*1=74 Moving to Node #0,3 Current State: 84:[74, 31, 3], Operations: ['32-29=3'] Exploring Operation: 31-3=28, Resulting Numbers: [74, 28] Generated Node #0,3,0: 84:[74, 28] Operation: 31-3=28 Exploring Operation: 74+3=77, Resulting Numbers: [31, 77] Generated Node #0,3,1: 84:[31, 77] Operation: 74+3=77 Exploring Operation: 31+3=34, Resulting Numbers: [74, 34] Generated Node #0,3,2: 84:[74, 34] Operation: 31+3=34 Exploring Operation: 74-31=43, Resulting Numbers: [3, 43] Generated Node #0,3,3: 84:[3, 43] Operation: 74-31=43 Exploring Operation: 74-3=71, Resulting Numbers: [31, 71] Generated Node #0,3,4: 84:[31, 71] Operation: 74-3=71 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[3, 43], Operations: ['32-29=3', '74-31=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[74, 28], Operations: ['32-29=3', '31-3=28'] Exploring Operation: 74+28=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 74*28=2072, Resulting Numbers: [2072] 2072,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 84:[31, 77], Operations: ['32-29=3', '74+3=77'] Exploring Operation: 31*77=2387, Resulting Numbers: [2387] 2387,84 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 31+77=108, Resulting Numbers: [108] 108,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[74, 34], Operations: ['32-29=3', '31+3=34'] Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 74*34=2516, Resulting Numbers: [2516] 2516,84 unequal: No Solution Exploring Operation: 74+34=108, Resulting Numbers: [108] 108,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 84:[31, 71], Operations: ['32-29=3', '74-3=71'] Exploring Operation: 31+71=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 31*71=2201, Resulting Numbers: [2201] 2201,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 84:[42, 2], Operations: ['74-32=42', '31-29=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[74, 31, 29, 32], Operations: [] Exploring Operation: 74-32=42, Resulting Numbers: [31, 29, 42] Generated Node #0,2: 84:[31, 29, 42] Operation: 74-32=42 Moving to Node #0,2 Current State: 84:[31, 29, 42], Operations: ['74-32=42'] Exploring Operation: 31-29=2, Resulting Numbers: [42, 2] Generated Node #0,2,3: 84:[42, 2] Operation: 31-29=2 Moving to Node #0,2,3 Current State: 84:[42, 2], Operations: ['74-32=42', '31-29=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.943576
hs_5
mult_heuristic
[ 38, 18, 52, 5 ]
20
[ "38+18=56", "56-52=4", "5*4=20" ]
Current State: 20:[38, 18, 52, 5], Operations: [] Exploring Operation: 38+18=56, Resulting Numbers: [52, 5, 56] Generated Node #2: [52, 5, 56] from Operation: 38+18=56 Current State: 20:[52, 5, 56], Operations: ['38+18=56'] Exploring Operation: 56-52=4, Resulting Numbers: [5, 4] Generated Node #3: [5, 4] from Operation: 56-52=4 Current State: 20:[5, 4], Operations: ['38+18=56', '56-52=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[38, 18, 52, 5], Operations: [] Exploring Operation: 52-38=14, Resulting Numbers: [18, 5, 14] Generated Node #0,0: 20:[18, 5, 14] Operation: 52-38=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[18, 5, 14], Operations: ['52-38=14'] Exploring Operation: 18-14=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 20:[5, 4] Operation: 18-14=4 Moving to Node #0,0,0 Current State: 20:[5, 4], Operations: ['52-38=14', '18-14=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[38, 18, 52, 5], Operations: [] Exploring Operation: 52-38=14, Resulting Numbers: [18, 5, 14] Generated Node #0,0: 20:[18, 5, 14] Operation: 52-38=14 Moving to Node #0,0 Current State: 20:[18, 5, 14], Operations: ['52-38=14'] Exploring Operation: 18-14=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 20:[5, 4] Operation: 18-14=4 Moving to Node #0,0,0 Current State: 20:[5, 4], Operations: ['52-38=14', '18-14=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 80, 46, 13, 42 ]
71
[ "80+46=126", "13+42=55", "126-55=71" ]
Current State: 71:[80, 46, 13, 42], Operations: [] Exploring Operation: 80+46=126, Resulting Numbers: [13, 42, 126] Generated Node #2: [13, 42, 126] from Operation: 80+46=126 Current State: 71:[13, 42, 126], Operations: ['80+46=126'] Exploring Operation: 13+42=55, Resulting Numbers: [126, 55] Generated Node #3: [126, 55] from Operation: 13+42=55 Current State: 71:[126, 55], Operations: ['80+46=126', '13+42=55'] Exploring Operation: 126-55=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[80, 46, 13, 42], Operations: [] Exploring Operation: 13+42=55, Resulting Numbers: [80, 46, 55] Generated Node #0,0: 71:[80, 46, 55] Operation: 13+42=55 Exploring Operation: 46+13=59, Resulting Numbers: [80, 42, 59] Generated Node #0,1: 71:[80, 42, 59] Operation: 46+13=59 Exploring Operation: 80-13=67, Resulting Numbers: [46, 42, 67] Generated Node #0,2: 71:[46, 42, 67] Operation: 80-13=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[80, 46, 55], Operations: ['13+42=55'] Exploring Operation: 46+55=101, Resulting Numbers: [80, 101] Generated Node #0,0,0: 71:[80, 101] Operation: 46+55=101 Exploring Operation: 80+46=126, Resulting Numbers: [55, 126] Generated Node #0,0,1: 71:[55, 126] Operation: 80+46=126 Exploring Operation: 80-46=34, Resulting Numbers: [55, 34] Generated Node #0,0,2: 71:[55, 34] Operation: 80-46=34 Moving to Node #0,0,0 Current State: 71:[80, 101], Operations: ['13+42=55', '46+55=101'] Exploring Operation: 80*101=8080, Resulting Numbers: [8080] 8080,71 unequal: No Solution Exploring Operation: 101-80=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 80+101=181, Resulting Numbers: [181] 181,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[55, 34], Operations: ['13+42=55', '80-46=34'] Exploring Operation: 55+34=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 55*34=1870, Resulting Numbers: [1870] 1870,71 unequal: No Solution Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[55, 126], Operations: ['13+42=55', '80+46=126'] Exploring Operation: 55+126=181, Resulting Numbers: [181] 181,71 unequal: No Solution Exploring Operation: 126-55=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[80, 46, 13, 42], Operations: [] Exploring Operation: 13+42=55, Resulting Numbers: [80, 46, 55] Generated Node #0,0: 71:[80, 46, 55] Operation: 13+42=55 Moving to Node #0,0 Current State: 71:[80, 46, 55], Operations: ['13+42=55'] Exploring Operation: 80+46=126, Resulting Numbers: [55, 126] Generated Node #0,0,1: 71:[55, 126] Operation: 80+46=126 Moving to Node #0,0,1 Current State: 71:[55, 126], Operations: ['13+42=55', '80+46=126'] Exploring Operation: 126-55=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 69, 27, 56, 9 ]
79
[ "69*9=621", "621/27=23", "56+23=79" ]
Current State: 79:[69, 27, 56, 9], Operations: [] Exploring Operation: 69*9=621, Resulting Numbers: [27, 56, 621] Generated Node #2: [27, 56, 621] from Operation: 69*9=621 Current State: 79:[27, 56, 621], Operations: ['69*9=621'] Exploring Operation: 621/27=23, Resulting Numbers: [56, 23] Generated Node #3: [56, 23] from Operation: 621/27=23 Current State: 79:[56, 23], Operations: ['69*9=621', '621/27=23'] Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[69, 27, 56, 9], Operations: [] Exploring Operation: 27+9=36, Resulting Numbers: [69, 56, 36] Generated Node #0,0: 79:[69, 56, 36] Operation: 27+9=36 Exploring Operation: 56+9=65, Resulting Numbers: [69, 27, 65] Generated Node #0,1: 79:[69, 27, 65] Operation: 56+9=65 Exploring Operation: 69+9=78, Resulting Numbers: [27, 56, 78] Generated Node #0,2: 79:[27, 56, 78] Operation: 69+9=78 Exploring Operation: 27+56=83, Resulting Numbers: [69, 9, 83] Generated Node #0,3: 79:[69, 9, 83] Operation: 27+56=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[69, 56, 36], Operations: ['27+9=36'] Exploring Operation: 69+36=105, Resulting Numbers: [56, 105] Generated Node #0,0,0: 79:[56, 105] Operation: 69+36=105 Exploring Operation: 56-36=20, Resulting Numbers: [69, 20] Generated Node #0,0,1: 79:[69, 20] Operation: 56-36=20 Exploring Operation: 69-36=33, Resulting Numbers: [56, 33] Generated Node #0,0,2: 79:[56, 33] Operation: 69-36=33 Exploring Operation: 56+36=92, Resulting Numbers: [69, 92] Generated Node #0,0,3: 79:[69, 92] Operation: 56+36=92 Moving to Node #0,0,3 Current State: 79:[69, 92], Operations: ['27+9=36', '56+36=92'] Exploring Operation: 92-69=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 69*92=6348, Resulting Numbers: [6348] 6348,79 unequal: No Solution Exploring Operation: 69+92=161, Resulting Numbers: [161] 161,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[56, 105], Operations: ['27+9=36', '69+36=105'] Exploring Operation: 56+105=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 56*105=5880, Resulting Numbers: [5880] 5880,79 unequal: No Solution Exploring Operation: 105-56=49, Resulting Numbers: [49] 49,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[56, 33], Operations: ['27+9=36', '69-36=33'] Exploring Operation: 56*33=1848, Resulting Numbers: [1848] 1848,79 unequal: No Solution Exploring Operation: 56+33=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[69, 20], Operations: ['27+9=36', '56-36=20'] Exploring Operation: 69+20=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 69-20=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 69*20=1380, Resulting Numbers: [1380] 1380,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[69, 27, 65], Operations: ['56+9=65'] Exploring Operation: 65-27=38, Resulting Numbers: [69, 38] Generated Node #0,1,0: 79:[69, 38] Operation: 65-27=38 Exploring Operation: 27+65=92, Resulting Numbers: [69, 92] Generated Node #0,1,1: 79:[69, 92] Operation: 27+65=92 Exploring Operation: 69+27=96, Resulting Numbers: [65, 96] Generated Node #0,1,2: 79:[65, 96] Operation: 69+27=96 Exploring Operation: 69-27=42, Resulting Numbers: [65, 42] Generated Node #0,1,3: 79:[65, 42] Operation: 69-27=42 Moving to Node #0,1,1 Current State: 79:[69, 92], Operations: ['56+9=65', '27+65=92'] Exploring Operation: 92-69=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 69*92=6348, Resulting Numbers: [6348] 6348,79 unequal: No Solution Exploring Operation: 69+92=161, Resulting Numbers: [161] 161,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[65, 96], Operations: ['56+9=65', '69+27=96'] Exploring Operation: 65*96=6240, Resulting Numbers: [6240] 6240,79 unequal: No Solution Exploring Operation: 65+96=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 96-65=31, Resulting Numbers: [31] 31,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[65, 42], Operations: ['56+9=65', '69-27=42'] Exploring Operation: 65+42=107, Resulting Numbers: [107] 107,79 unequal: No Solution Exploring Operation: 65*42=2730, Resulting Numbers: [2730] 2730,79 unequal: No Solution Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[69, 38], Operations: ['56+9=65', '65-27=38'] Exploring Operation: 69*38=2622, Resulting Numbers: [2622] 2622,79 unequal: No Solution Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[27, 56, 78], Operations: ['69+9=78'] Exploring Operation: 78-27=51, Resulting Numbers: [56, 51] Generated Node #0,2,0: 79:[56, 51] Operation: 78-27=51 Exploring Operation: 27+56=83, Resulting Numbers: [78, 83] Generated Node #0,2,1: 79:[78, 83] Operation: 27+56=83 Exploring Operation: 56-27=29, Resulting Numbers: [78, 29] Generated Node #0,2,2: 79:[78, 29] Operation: 56-27=29 Exploring Operation: 27+78=105, Resulting Numbers: [56, 105] Generated Node #0,2,3: 79:[56, 105] Operation: 27+78=105 Moving to Node #0,2,1 Current State: 79:[78, 83], Operations: ['69+9=78', '27+56=83'] Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 78+83=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 78*83=6474, Resulting Numbers: [6474] 6474,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[56, 105], Operations: ['69+9=78', '27+78=105'] Exploring Operation: 105-56=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 56+105=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 56*105=5880, Resulting Numbers: [5880] 5880,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[78, 29], Operations: ['69+9=78', '56-27=29'] Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,79 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[56, 51], Operations: ['69+9=78', '78-27=51'] Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,79 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[69, 9, 83], Operations: ['27+56=83'] Exploring Operation: 69+9=78, Resulting Numbers: [83, 78] Generated Node #0,3,0: 79:[83, 78] Operation: 69+9=78 Exploring Operation: 9+83=92, Resulting Numbers: [69, 92] Generated Node #0,3,1: 79:[69, 92] Operation: 9+83=92 Exploring Operation: 69-9=60, Resulting Numbers: [83, 60] Generated Node #0,3,2: 79:[83, 60] Operation: 69-9=60 Exploring Operation: 83-9=74, Resulting Numbers: [69, 74] Generated Node #0,3,3: 79:[69, 74] Operation: 83-9=74 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 79:[83, 78], Operations: ['27+56=83', '69+9=78'] Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,79 unequal: No Solution Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 79:[69, 74], Operations: ['27+56=83', '83-9=74'] Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,79 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,79 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 79:[69, 92], Operations: ['27+56=83', '9+83=92'] Exploring Operation: 69*92=6348, Resulting Numbers: [6348] 6348,79 unequal: No Solution Exploring Operation: 92-69=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 69+92=161, Resulting Numbers: [161] 161,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 79:[83, 60], Operations: ['27+56=83', '69-9=60'] Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,79 unequal: No Solution Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 20, 77, 71, 70 ]
15
[ "20+70=90", "77-71=6", "90/6=15" ]
Current State: 15:[20, 77, 71, 70], Operations: [] Exploring Operation: 20+70=90, Resulting Numbers: [77, 71, 90] Generated Node #2: [77, 71, 90] from Operation: 20+70=90 Current State: 15:[77, 71, 90], Operations: ['20+70=90'] Exploring Operation: 77-71=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 77-71=6 Current State: 15:[90, 6], Operations: ['20+70=90', '77-71=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[20, 77, 71, 70], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [20, 71, 7] Generated Node #0,0: 15:[20, 71, 7] Operation: 77-70=7 Exploring Operation: 77-71=6, Resulting Numbers: [20, 70, 6] Generated Node #0,1: 15:[20, 70, 6] Operation: 77-71=6 Moving to Node #0,1 Current State: 15:[20, 70, 6], Operations: ['77-71=6'] Exploring Operation: 70-6=64, Resulting Numbers: [20, 64] Generated Node #0,1,0: 15:[20, 64] Operation: 70-6=64 Exploring Operation: 70-20=50, Resulting Numbers: [6, 50] Generated Node #0,1,1: 15:[6, 50] Operation: 70-20=50 Moving to Node #0,0 Current State: 15:[20, 71, 7], Operations: ['77-70=7'] Exploring Operation: 71-20=51, Resulting Numbers: [7, 51] Generated Node #0,0,0: 15:[7, 51] Operation: 71-20=51 Exploring Operation: 71-7=64, Resulting Numbers: [20, 64] Generated Node #0,0,1: 15:[20, 64] Operation: 71-7=64 Moving to Node #0,1,1 Current State: 15:[6, 50], Operations: ['77-71=6', '70-20=50'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[7, 51], Operations: ['77-70=7', '71-20=51'] Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[20, 64], Operations: ['77-71=6', '70-6=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[20, 64], Operations: ['77-70=7', '71-7=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,15 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 56, 28, 40, 16 ]
22
[ "56/28=2", "40-16=24", "24-2=22" ]
Current State: 22:[56, 28, 40, 16], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [40, 16, 2] Generated Node #2: [40, 16, 2] from Operation: 56/28=2 Current State: 22:[40, 16, 2], Operations: ['56/28=2'] Exploring Operation: 40-16=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 40-16=24 Current State: 22:[2, 24], Operations: ['56/28=2', '40-16=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[56, 28, 40, 16], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [28, 16, 16] Generated Node #0,0: 22:[28, 16, 16] Operation: 56-40=16 Exploring Operation: 56/28=2, Resulting Numbers: [40, 16, 2] Generated Node #0,1: 22:[40, 16, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 22:[28, 16, 16], Operations: ['56-40=16'] Exploring Operation: 28-16=12, Resulting Numbers: [16, 12] Generated Node #0,0,0: 22:[16, 12] Operation: 28-16=12 Exploring Operation: 28-16=12, Resulting Numbers: [16, 12] Generated Node #0,0,1: 22:[16, 12] Operation: 28-16=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[16, 12], Operations: ['56-40=16', '28-16=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[16, 12], Operations: ['56-40=16', '28-16=12'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 22:[40, 16, 2], Operations: ['56/28=2'] Exploring Operation: 40-16=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 22:[2, 24] Operation: 40-16=24 Exploring Operation: 40/2=20, Resulting Numbers: [16, 20] Generated Node #0,1,1: 22:[16, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[2, 24], Operations: ['56/28=2', '40-16=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[56, 28, 40, 16], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [40, 16, 2] Generated Node #0,1: 22:[40, 16, 2] Operation: 56/28=2 Moving to Node #0,1 Current State: 22:[40, 16, 2], Operations: ['56/28=2'] Exploring Operation: 40-16=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 22:[2, 24] Operation: 40-16=24 Moving to Node #0,1,0 Current State: 22:[2, 24], Operations: ['56/28=2', '40-16=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 98, 48, 24, 12 ]
24
[ "98*12=1176", "48*24=1152", "1176-1152=24" ]
Current State: 24:[98, 48, 24, 12], Operations: [] Exploring Operation: 98*12=1176, Resulting Numbers: [48, 24, 1176] Generated Node #2: [48, 24, 1176] from Operation: 98*12=1176 Current State: 24:[48, 24, 1176], Operations: ['98*12=1176'] Exploring Operation: 48*24=1152, Resulting Numbers: [1176, 1152] Generated Node #3: [1176, 1152] from Operation: 48*24=1152 Current State: 24:[1176, 1152], Operations: ['98*12=1176', '48*24=1152'] Exploring Operation: 1176-1152=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[98, 48, 24, 12], Operations: [] Exploring Operation: 98-24=74, Resulting Numbers: [48, 12, 74] Generated Node #0,0: 24:[48, 12, 74] Operation: 98-24=74 Exploring Operation: 98-48=50, Resulting Numbers: [24, 12, 50] Generated Node #0,1: 24:[24, 12, 50] Operation: 98-48=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[24, 12, 50], Operations: ['98-48=50'] Exploring Operation: 50-24=26, Resulting Numbers: [12, 26] Generated Node #0,1,0: 24:[12, 26] Operation: 50-24=26 Exploring Operation: 50-12=38, Resulting Numbers: [24, 38] Generated Node #0,1,1: 24:[24, 38] Operation: 50-12=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[12, 26], Operations: ['98-48=50', '50-24=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[24, 38], Operations: ['98-48=50', '50-12=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[48, 12, 74], Operations: ['98-24=74'] Exploring Operation: 48/12=4, Resulting Numbers: [74, 4] Generated Node #0,0,0: 24:[74, 4] Operation: 48/12=4 Exploring Operation: 74-48=26, Resulting Numbers: [12, 26] Generated Node #0,0,1: 24:[12, 26] Operation: 74-48=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[12, 26], Operations: ['98-24=74', '74-48=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[74, 4], Operations: ['98-24=74', '48/12=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,24 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 15, 49, 18, 25 ]
19
[ "18*25=450", "450/15=30", "49-30=19" ]
Current State: 19:[15, 49, 18, 25], Operations: [] Exploring Operation: 18*25=450, Resulting Numbers: [15, 49, 450] Generated Node #2: [15, 49, 450] from Operation: 18*25=450 Current State: 19:[15, 49, 450], Operations: ['18*25=450'] Exploring Operation: 450/15=30, Resulting Numbers: [49, 30] Generated Node #3: [49, 30] from Operation: 450/15=30 Current State: 19:[49, 30], Operations: ['18*25=450', '450/15=30'] Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[15, 49, 18, 25], Operations: [] Exploring Operation: 49-15=34, Resulting Numbers: [18, 25, 34] Generated Node #0,0: 19:[18, 25, 34] Operation: 49-15=34 Exploring Operation: 25-15=10, Resulting Numbers: [49, 18, 10] Generated Node #0,1: 19:[49, 18, 10] Operation: 25-15=10 Exploring Operation: 49-25=24, Resulting Numbers: [15, 18, 24] Generated Node #0,2: 19:[15, 18, 24] Operation: 49-25=24 Exploring Operation: 49-18=31, Resulting Numbers: [15, 25, 31] Generated Node #0,3: 19:[15, 25, 31] Operation: 49-18=31 Moving to Node #0,2 Current State: 19:[15, 18, 24], Operations: ['49-25=24'] Exploring Operation: 24-15=9, Resulting Numbers: [18, 9] Generated Node #0,2,0: 19:[18, 9] Operation: 24-15=9 Exploring Operation: 18-15=3, Resulting Numbers: [24, 3] Generated Node #0,2,1: 19:[24, 3] Operation: 18-15=3 Exploring Operation: 24-18=6, Resulting Numbers: [15, 6] Generated Node #0,2,2: 19:[15, 6] Operation: 24-18=6 Exploring Operation: 15+18=33, Resulting Numbers: [24, 33] Generated Node #0,2,3: 19:[24, 33] Operation: 15+18=33 Moving to Node #0,3 Current State: 19:[15, 25, 31], Operations: ['49-18=31'] Exploring Operation: 15+25=40, Resulting Numbers: [31, 40] Generated Node #0,3,0: 19:[31, 40] Operation: 15+25=40 Exploring Operation: 25-15=10, Resulting Numbers: [31, 10] Generated Node #0,3,1: 19:[31, 10] Operation: 25-15=10 Exploring Operation: 31-25=6, Resulting Numbers: [15, 6] Generated Node #0,3,2: 19:[15, 6] Operation: 31-25=6 Exploring Operation: 31-15=16, Resulting Numbers: [25, 16] Generated Node #0,3,3: 19:[25, 16] Operation: 31-15=16 Moving to Node #0,0 Current State: 19:[18, 25, 34], Operations: ['49-15=34'] Exploring Operation: 18+25=43, Resulting Numbers: [34, 43] Generated Node #0,0,0: 19:[34, 43] Operation: 18+25=43 Exploring Operation: 25-18=7, Resulting Numbers: [34, 7] Generated Node #0,0,1: 19:[34, 7] Operation: 25-18=7 Exploring Operation: 34-25=9, Resulting Numbers: [18, 9] Generated Node #0,0,2: 19:[18, 9] Operation: 34-25=9 Exploring Operation: 34-18=16, Resulting Numbers: [25, 16] Generated Node #0,0,3: 19:[25, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[25, 16], Operations: ['49-15=34', '34-18=16'] Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[18, 9], Operations: ['49-15=34', '34-25=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[34, 7], Operations: ['49-15=34', '25-18=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,19 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[34, 43], Operations: ['49-15=34', '18+25=43'] Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,19 unequal: No Solution Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[49, 18, 10], Operations: ['25-15=10'] Exploring Operation: 49-10=39, Resulting Numbers: [18, 39] Generated Node #0,1,0: 19:[18, 39] Operation: 49-10=39 Exploring Operation: 49+10=59, Resulting Numbers: [18, 59] Generated Node #0,1,1: 19:[18, 59] Operation: 49+10=59 Exploring Operation: 49-18=31, Resulting Numbers: [10, 31] Generated Node #0,1,2: 19:[10, 31] Operation: 49-18=31 Exploring Operation: 18+10=28, Resulting Numbers: [49, 28] Generated Node #0,1,3: 19:[49, 28] Operation: 18+10=28 Moving to Node #0,3,3 Current State: 19:[25, 16], Operations: ['49-18=31', '31-15=16'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,19 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[18, 9], Operations: ['49-25=24', '24-15=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[15, 6], Operations: ['49-18=31', '31-25=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,19 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[15, 6], Operations: ['49-25=24', '24-18=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,19 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[24, 33], Operations: ['49-25=24', '15+18=33'] Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,19 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[31, 10], Operations: ['49-18=31', '25-15=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[18, 39], Operations: ['25-15=10', '49-10=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,19 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[10, 31], Operations: ['25-15=10', '49-18=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,19 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[24, 3], Operations: ['49-25=24', '18-15=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,19 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[31, 40], Operations: ['49-18=31', '15+25=40'] Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,19 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[49, 28], Operations: ['25-15=10', '18+10=28'] Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,19 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,19 unequal: No Solution Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[18, 59], Operations: ['25-15=10', '49+10=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 18*59=1062, Resulting Numbers: [1062] 1062,19 unequal: No Solution Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,19 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 46, 63, 55, 53 ]
17
[ "46*63=2898", "55*53=2915", "2915-2898=17" ]
Current State: 17:[46, 63, 55, 53], Operations: [] Exploring Operation: 46*63=2898, Resulting Numbers: [55, 53, 2898] Generated Node #2: [55, 53, 2898] from Operation: 46*63=2898 Current State: 17:[55, 53, 2898], Operations: ['46*63=2898'] Exploring Operation: 55*53=2915, Resulting Numbers: [2898, 2915] Generated Node #3: [2898, 2915] from Operation: 55*53=2915 Current State: 17:[2898, 2915], Operations: ['46*63=2898', '55*53=2915'] Exploring Operation: 2915-2898=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[46, 63, 55, 53], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [46, 55, 10] Generated Node #0,0: 17:[46, 55, 10] Operation: 63-53=10 Exploring Operation: 55-46=9, Resulting Numbers: [63, 53, 9] Generated Node #0,1: 17:[63, 53, 9] Operation: 55-46=9 Exploring Operation: 63-46=17, Resulting Numbers: [55, 53, 17] Generated Node #0,2: 17:[55, 53, 17] Operation: 63-46=17 Exploring Operation: 63-55=8, Resulting Numbers: [46, 53, 8] Generated Node #0,3: 17:[46, 53, 8] Operation: 63-55=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[46, 55, 10], Operations: ['63-53=10'] Exploring Operation: 46-10=36, Resulting Numbers: [55, 36] Generated Node #0,0,0: 17:[55, 36] Operation: 46-10=36 Exploring Operation: 55-46=9, Resulting Numbers: [10, 9] Generated Node #0,0,1: 17:[10, 9] Operation: 55-46=9 Exploring Operation: 46+10=56, Resulting Numbers: [55, 56] Generated Node #0,0,2: 17:[55, 56] Operation: 46+10=56 Exploring Operation: 55-10=45, Resulting Numbers: [46, 45] Generated Node #0,0,3: 17:[46, 45] Operation: 55-10=45 Moving to Node #0,0,1 Current State: 17:[10, 9], Operations: ['63-53=10', '55-46=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,17 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[46, 45], Operations: ['63-53=10', '55-10=45'] Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 46+45=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 46*45=2070, Resulting Numbers: [2070] 2070,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[55, 36], Operations: ['63-53=10', '46-10=36'] Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[55, 56], Operations: ['63-53=10', '46+10=56'] Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,17 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[55, 53, 17], Operations: ['63-46=17'] Exploring Operation: 55-17=38, Resulting Numbers: [53, 38] Generated Node #0,2,0: 17:[53, 38] Operation: 55-17=38 Exploring Operation: 55-53=2, Resulting Numbers: [17, 2] Generated Node #0,2,1: 17:[17, 2] Operation: 55-53=2 Exploring Operation: 55+53=108, Resulting Numbers: [17, 108] Generated Node #0,2,2: 17:[17, 108] Operation: 55+53=108 Exploring Operation: 53-17=36, Resulting Numbers: [55, 36] Generated Node #0,2,3: 17:[55, 36] Operation: 53-17=36 Moving to Node #0,2,1 Current State: 17:[17, 2], Operations: ['63-46=17', '55-53=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[55, 36], Operations: ['63-46=17', '53-17=36'] Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,17 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[53, 38], Operations: ['63-46=17', '55-17=38'] Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,17 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[17, 108], Operations: ['63-46=17', '55+53=108'] Exploring Operation: 17*108=1836, Resulting Numbers: [1836] 1836,17 unequal: No Solution Exploring Operation: 108-17=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 17+108=125, Resulting Numbers: [125] 125,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[46, 53, 8], Operations: ['63-55=8'] Exploring Operation: 53-46=7, Resulting Numbers: [8, 7] Generated Node #0,3,0: 17:[8, 7] Operation: 53-46=7 Exploring Operation: 53-8=45, Resulting Numbers: [46, 45] Generated Node #0,3,1: 17:[46, 45] Operation: 53-8=45 Exploring Operation: 46-8=38, Resulting Numbers: [53, 38] Generated Node #0,3,2: 17:[53, 38] Operation: 46-8=38 Exploring Operation: 46+8=54, Resulting Numbers: [53, 54] Generated Node #0,3,3: 17:[53, 54] Operation: 46+8=54 Moving to Node #0,3,0 Current State: 17:[8, 7], Operations: ['63-55=8', '53-46=7'] Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[53, 38], Operations: ['63-55=8', '46-8=38'] Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,17 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,17 unequal: No Solution Moving to Node #0,3,1 Current State: 17:[46, 45], Operations: ['63-55=8', '53-8=45'] Exploring Operation: 46*45=2070, Resulting Numbers: [2070] 2070,17 unequal: No Solution Exploring Operation: 46+45=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[53, 54], Operations: ['63-55=8', '46+8=54'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 53*54=2862, Resulting Numbers: [2862] 2862,17 unequal: No Solution Exploring Operation: 53+54=107, Resulting Numbers: [107] 107,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[63, 53, 9], Operations: ['55-46=9'] Exploring Operation: 63-53=10, Resulting Numbers: [9, 10] Generated Node #0,1,0: 17:[9, 10] Operation: 63-53=10 Exploring Operation: 63/9=7, Resulting Numbers: [53, 7] Generated Node #0,1,1: 17:[53, 7] Operation: 63/9=7 Exploring Operation: 53-9=44, Resulting Numbers: [63, 44] Generated Node #0,1,2: 17:[63, 44] Operation: 53-9=44 Exploring Operation: 63-9=54, Resulting Numbers: [53, 54] Generated Node #0,1,3: 17:[53, 54] Operation: 63-9=54 Moving to Node #0,1,0 Current State: 17:[9, 10], Operations: ['55-46=9', '63-53=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[53, 7], Operations: ['55-46=9', '63/9=7'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,17 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,17 unequal: No Solution Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[53, 54], Operations: ['55-46=9', '63-9=54'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 53*54=2862, Resulting Numbers: [2862] 2862,17 unequal: No Solution Exploring Operation: 53+54=107, Resulting Numbers: [107] 107,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[63, 44], Operations: ['55-46=9', '53-9=44'] Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,17 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 47, 13, 77, 66 ]
71
[ "47+13=60", "77-66=11", "60+11=71" ]
Current State: 71:[47, 13, 77, 66], Operations: [] Exploring Operation: 47+13=60, Resulting Numbers: [77, 66, 60] Generated Node #2: [77, 66, 60] from Operation: 47+13=60 Current State: 71:[77, 66, 60], Operations: ['47+13=60'] Exploring Operation: 77-66=11, Resulting Numbers: [60, 11] Generated Node #3: [60, 11] from Operation: 77-66=11 Current State: 71:[60, 11], Operations: ['47+13=60', '77-66=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[47, 13, 77, 66], Operations: [] Exploring Operation: 47-13=34, Resulting Numbers: [77, 66, 34] Generated Node #0,0: 71:[77, 66, 34] Operation: 47-13=34 Exploring Operation: 47+13=60, Resulting Numbers: [77, 66, 60] Generated Node #0,1: 71:[77, 66, 60] Operation: 47+13=60 Exploring Operation: 13+66=79, Resulting Numbers: [47, 77, 79] Generated Node #0,2: 71:[47, 77, 79] Operation: 13+66=79 Exploring Operation: 77-13=64, Resulting Numbers: [47, 66, 64] Generated Node #0,3: 71:[47, 66, 64] Operation: 77-13=64 Moving to Node #0,1 Current State: 71:[77, 66, 60], Operations: ['47+13=60'] Exploring Operation: 77+60=137, Resulting Numbers: [66, 137] Generated Node #0,1,0: 71:[66, 137] Operation: 77+60=137 Exploring Operation: 77-60=17, Resulting Numbers: [66, 17] Generated Node #0,1,1: 71:[66, 17] Operation: 77-60=17 Exploring Operation: 77-66=11, Resulting Numbers: [60, 11] Generated Node #0,1,2: 71:[60, 11] Operation: 77-66=11 Exploring Operation: 66+60=126, Resulting Numbers: [77, 126] Generated Node #0,1,3: 71:[77, 126] Operation: 66+60=126 Moving to Node #0,3 Current State: 71:[47, 66, 64], Operations: ['77-13=64'] Exploring Operation: 64-47=17, Resulting Numbers: [66, 17] Generated Node #0,3,0: 71:[66, 17] Operation: 64-47=17 Exploring Operation: 47+66=113, Resulting Numbers: [64, 113] Generated Node #0,3,1: 71:[64, 113] Operation: 47+66=113 Exploring Operation: 47+64=111, Resulting Numbers: [66, 111] Generated Node #0,3,2: 71:[66, 111] Operation: 47+64=111 Exploring Operation: 66-47=19, Resulting Numbers: [64, 19] Generated Node #0,3,3: 71:[64, 19] Operation: 66-47=19 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[66, 111], Operations: ['77-13=64', '47+64=111'] Exploring Operation: 66*111=7326, Resulting Numbers: [7326] 7326,71 unequal: No Solution Exploring Operation: 111-66=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 66+111=177, Resulting Numbers: [177] 177,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[64, 113], Operations: ['77-13=64', '47+66=113'] Exploring Operation: 64+113=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 64*113=7232, Resulting Numbers: [7232] 7232,71 unequal: No Solution Exploring Operation: 113-64=49, Resulting Numbers: [49] 49,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[66, 17], Operations: ['77-13=64', '64-47=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[64, 19], Operations: ['77-13=64', '66-47=19'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,71 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 71:[47, 77, 79], Operations: ['13+66=79'] Exploring Operation: 47+79=126, Resulting Numbers: [77, 126] Generated Node #0,2,0: 71:[77, 126] Operation: 47+79=126 Exploring Operation: 77-47=30, Resulting Numbers: [79, 30] Generated Node #0,2,1: 71:[79, 30] Operation: 77-47=30 Exploring Operation: 79-47=32, Resulting Numbers: [77, 32] Generated Node #0,2,2: 71:[77, 32] Operation: 79-47=32 Exploring Operation: 47+77=124, Resulting Numbers: [79, 124] Generated Node #0,2,3: 71:[79, 124] Operation: 47+77=124 Moving to Node #0,0 Current State: 71:[77, 66, 34], Operations: ['47-13=34'] Exploring Operation: 77-34=43, Resulting Numbers: [66, 43] Generated Node #0,0,0: 71:[66, 43] Operation: 77-34=43 Exploring Operation: 66+34=100, Resulting Numbers: [77, 100] Generated Node #0,0,1: 71:[77, 100] Operation: 66+34=100 Exploring Operation: 66-34=32, Resulting Numbers: [77, 32] Generated Node #0,0,2: 71:[77, 32] Operation: 66-34=32 Exploring Operation: 77+34=111, Resulting Numbers: [66, 111] Generated Node #0,0,3: 71:[66, 111] Operation: 77+34=111 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[66, 43], Operations: ['47-13=34', '77-34=43'] Exploring Operation: 66+43=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 66*43=2838, Resulting Numbers: [2838] 2838,71 unequal: No Solution Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[77, 100], Operations: ['47-13=34', '66+34=100'] Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 77+100=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 77*100=7700, Resulting Numbers: [7700] 7700,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[77, 32], Operations: ['47-13=34', '66-34=32'] Exploring Operation: 77*32=2464, Resulting Numbers: [2464] 2464,71 unequal: No Solution Exploring Operation: 77+32=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[66, 111], Operations: ['47-13=34', '77+34=111'] Exploring Operation: 66*111=7326, Resulting Numbers: [7326] 7326,71 unequal: No Solution Exploring Operation: 66+111=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 111-66=45, Resulting Numbers: [45] 45,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 71:[77, 32], Operations: ['13+66=79', '79-47=32'] Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 77*32=2464, Resulting Numbers: [2464] 2464,71 unequal: No Solution Exploring Operation: 77+32=109, Resulting Numbers: [109] 109,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[79, 30], Operations: ['13+66=79', '77-47=30'] Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[66, 17], Operations: ['47+13=60', '77-60=17'] Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[77, 126], Operations: ['13+66=79', '47+79=126'] Exploring Operation: 77+126=203, Resulting Numbers: [203] 203,71 unequal: No Solution Exploring Operation: 126-77=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 77*126=9702, Resulting Numbers: [9702] 9702,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[77, 126], Operations: ['47+13=60', '66+60=126'] Exploring Operation: 77+126=203, Resulting Numbers: [203] 203,71 unequal: No Solution Exploring Operation: 126-77=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 77*126=9702, Resulting Numbers: [9702] 9702,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[79, 124], Operations: ['13+66=79', '47+77=124'] Exploring Operation: 124-79=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 79*124=9796, Resulting Numbers: [9796] 9796,71 unequal: No Solution Exploring Operation: 79+124=203, Resulting Numbers: [203] 203,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[60, 11], Operations: ['47+13=60', '77-66=11'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,71 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[47, 13, 77, 66], Operations: [] Exploring Operation: 47+13=60, Resulting Numbers: [77, 66, 60] Generated Node #0,1: 71:[77, 66, 60] Operation: 47+13=60 Moving to Node #0,1 Current State: 71:[77, 66, 60], Operations: ['47+13=60'] Exploring Operation: 77-66=11, Resulting Numbers: [60, 11] Generated Node #0,1,2: 71:[60, 11] Operation: 77-66=11 Moving to Node #0,1,2 Current State: 71:[60, 11], Operations: ['47+13=60', '77-66=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.940104
hs_4
sum_heuristic
[ 31, 97, 84, 26 ]
82
[ "31*84=2604", "97*26=2522", "2604-2522=82" ]
Current State: 82:[31, 97, 84, 26], Operations: [] Exploring Operation: 31*84=2604, Resulting Numbers: [97, 26, 2604] Generated Node #2: [97, 26, 2604] from Operation: 31*84=2604 Current State: 82:[97, 26, 2604], Operations: ['31*84=2604'] Exploring Operation: 97*26=2522, Resulting Numbers: [2604, 2522] Generated Node #3: [2604, 2522] from Operation: 97*26=2522 Current State: 82:[2604, 2522], Operations: ['31*84=2604', '97*26=2522'] Exploring Operation: 2604-2522=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[31, 97, 84, 26], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [31, 26, 13] Generated Node #0,0: 82:[31, 26, 13] Operation: 97-84=13 Exploring Operation: 31+26=57, Resulting Numbers: [97, 84, 57] Generated Node #0,1: 82:[97, 84, 57] Operation: 31+26=57 Exploring Operation: 31-26=5, Resulting Numbers: [97, 84, 5] Generated Node #0,2: 82:[97, 84, 5] Operation: 31-26=5 Exploring Operation: 97-31=66, Resulting Numbers: [84, 26, 66] Generated Node #0,3: 82:[84, 26, 66] Operation: 97-31=66 Exploring Operation: 97-26=71, Resulting Numbers: [31, 84, 71] Generated Node #0,4: 82:[31, 84, 71] Operation: 97-26=71 Moving to Node #0,2 Current State: 82:[97, 84, 5], Operations: ['31-26=5'] Exploring Operation: 97-5=92, Resulting Numbers: [84, 92] Generated Node #0,2,0: 82:[84, 92] Operation: 97-5=92 Exploring Operation: 84+5=89, Resulting Numbers: [97, 89] Generated Node #0,2,1: 82:[97, 89] Operation: 84+5=89 Exploring Operation: 97-84=13, Resulting Numbers: [5, 13] Generated Node #0,2,2: 82:[5, 13] Operation: 97-84=13 Exploring Operation: 84-5=79, Resulting Numbers: [97, 79] Generated Node #0,2,3: 82:[97, 79] Operation: 84-5=79 Exploring Operation: 97+5=102, Resulting Numbers: [84, 102] Generated Node #0,2,4: 82:[84, 102] Operation: 97+5=102 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[84, 92], Operations: ['31-26=5', '97-5=92'] Exploring Operation: 84*92=7728, Resulting Numbers: [7728] 7728,82 unequal: No Solution Exploring Operation: 84+92=176, Resulting Numbers: [176] 176,82 unequal: No Solution Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[5, 13], Operations: ['31-26=5', '97-84=13'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,82 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[97, 79], Operations: ['31-26=5', '84-5=79'] Exploring Operation: 97+79=176, Resulting Numbers: [176] 176,82 unequal: No Solution Exploring Operation: 97-79=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 97*79=7663, Resulting Numbers: [7663] 7663,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[97, 89], Operations: ['31-26=5', '84+5=89'] Exploring Operation: 97*89=8633, Resulting Numbers: [8633] 8633,82 unequal: No Solution Exploring Operation: 97+89=186, Resulting Numbers: [186] 186,82 unequal: No Solution Exploring Operation: 97-89=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 82:[84, 102], Operations: ['31-26=5', '97+5=102'] Exploring Operation: 102-84=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 84+102=186, Resulting Numbers: [186] 186,82 unequal: No Solution Exploring Operation: 84*102=8568, Resulting Numbers: [8568] 8568,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 82:[31, 84, 71], Operations: ['97-26=71'] Exploring Operation: 31+71=102, Resulting Numbers: [84, 102] Generated Node #0,4,0: 82:[84, 102] Operation: 31+71=102 Exploring Operation: 84-31=53, Resulting Numbers: [71, 53] Generated Node #0,4,1: 82:[71, 53] Operation: 84-31=53 Exploring Operation: 31+84=115, Resulting Numbers: [71, 115] Generated Node #0,4,2: 82:[71, 115] Operation: 31+84=115 Exploring Operation: 71-31=40, Resulting Numbers: [84, 40] Generated Node #0,4,3: 82:[84, 40] Operation: 71-31=40 Exploring Operation: 84-71=13, Resulting Numbers: [31, 13] Generated Node #0,4,4: 82:[31, 13] Operation: 84-71=13 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 82:[84, 40], Operations: ['97-26=71', '71-31=40'] Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 82:[31, 13], Operations: ['97-26=71', '84-71=13'] Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 82:[84, 102], Operations: ['97-26=71', '31+71=102'] Exploring Operation: 102-84=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 84+102=186, Resulting Numbers: [186] 186,82 unequal: No Solution Exploring Operation: 84*102=8568, Resulting Numbers: [8568] 8568,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 82:[71, 53], Operations: ['97-26=71', '84-31=53'] Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 71*53=3763, Resulting Numbers: [3763] 3763,82 unequal: No Solution Exploring Operation: 71+53=124, Resulting Numbers: [124] 124,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 82:[71, 115], Operations: ['97-26=71', '31+84=115'] Exploring Operation: 71*115=8165, Resulting Numbers: [8165] 8165,82 unequal: No Solution Exploring Operation: 115-71=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 71+115=186, Resulting Numbers: [186] 186,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 82:[97, 84, 57], Operations: ['31+26=57'] Exploring Operation: 97-84=13, Resulting Numbers: [57, 13] Generated Node #0,1,0: 82:[57, 13] Operation: 97-84=13 Exploring Operation: 84+57=141, Resulting Numbers: [97, 141] Generated Node #0,1,1: 82:[97, 141] Operation: 84+57=141 Exploring Operation: 97-57=40, Resulting Numbers: [84, 40] Generated Node #0,1,2: 82:[84, 40] Operation: 97-57=40 Exploring Operation: 84-57=27, Resulting Numbers: [97, 27] Generated Node #0,1,3: 82:[97, 27] Operation: 84-57=27 Exploring Operation: 97+57=154, Resulting Numbers: [84, 154] Generated Node #0,1,4: 82:[84, 154] Operation: 97+57=154 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 82:[84, 40], Operations: ['31+26=57', '97-57=40'] Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,82 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[57, 13], Operations: ['31+26=57', '97-84=13'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,82 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 82:[97, 27], Operations: ['31+26=57', '84-57=27'] Exploring Operation: 97*27=2619, Resulting Numbers: [2619] 2619,82 unequal: No Solution Exploring Operation: 97+27=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 97-27=70, Resulting Numbers: [70] 70,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[97, 141], Operations: ['31+26=57', '84+57=141'] Exploring Operation: 97+141=238, Resulting Numbers: [238] 238,82 unequal: No Solution Exploring Operation: 141-97=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 97*141=13677, Resulting Numbers: [13677] 13677,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 82:[84, 154], Operations: ['31+26=57', '97+57=154'] Exploring Operation: 84+154=238, Resulting Numbers: [238] 238,82 unequal: No Solution Exploring Operation: 154-84=70, Resulting Numbers: [70] 70,82 unequal: No Solution Exploring Operation: 84*154=12936, Resulting Numbers: [12936] 12936,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 82:[84, 26, 66], Operations: ['97-31=66'] Exploring Operation: 66-26=40, Resulting Numbers: [84, 40] Generated Node #0,3,0: 82:[84, 40] Operation: 66-26=40 Exploring Operation: 84+26=110, Resulting Numbers: [66, 110] Generated Node #0,3,1: 82:[66, 110] Operation: 84+26=110 Exploring Operation: 26+66=92, Resulting Numbers: [84, 92] Generated Node #0,3,2: 82:[84, 92] Operation: 26+66=92 Exploring Operation: 84-26=58, Resulting Numbers: [66, 58] Generated Node #0,3,3: 82:[66, 58] Operation: 84-26=58 Exploring Operation: 84-66=18, Resulting Numbers: [26, 18] Generated Node #0,3,4: 82:[26, 18] Operation: 84-66=18 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 82:[84, 40], Operations: ['97-31=66', '66-26=40'] Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 82:[84, 92], Operations: ['97-31=66', '26+66=92'] Exploring Operation: 84+92=176, Resulting Numbers: [176] 176,82 unequal: No Solution Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 84*92=7728, Resulting Numbers: [7728] 7728,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 82:[26, 18], Operations: ['97-31=66', '84-66=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 82:[66, 58], Operations: ['97-31=66', '84-26=58'] Exploring Operation: 66*58=3828, Resulting Numbers: [3828] 3828,82 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 66+58=124, Resulting Numbers: [124] 124,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 82:[66, 110], Operations: ['97-31=66', '84+26=110'] Exploring Operation: 110-66=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 66+110=176, Resulting Numbers: [176] 176,82 unequal: No Solution Exploring Operation: 66*110=7260, Resulting Numbers: [7260] 7260,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 82:[31, 26, 13], Operations: ['97-84=13'] Exploring Operation: 31+13=44, Resulting Numbers: [26, 44] Generated Node #0,0,0: 82:[26, 44] Operation: 31+13=44 Exploring Operation: 26/13=2, Resulting Numbers: [31, 2] Generated Node #0,0,1: 82:[31, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [31, 13] Generated Node #0,0,2: 82:[31, 13] Operation: 26-13=13 Exploring Operation: 26+13=39, Resulting Numbers: [31, 39] Generated Node #0,0,3: 82:[31, 39] Operation: 26+13=39 Exploring Operation: 31-26=5, Resulting Numbers: [13, 5] Generated Node #0,0,4: 82:[13, 5] Operation: 31-26=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[31, 2], Operations: ['97-84=13', '26/13=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,82 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,82 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 82:[31, 39], Operations: ['97-84=13', '26+13=39'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 31+39=70, Resulting Numbers: [70] 70,82 unequal: No Solution Exploring Operation: 31*39=1209, Resulting Numbers: [1209] 1209,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 82:[13, 5], Operations: ['97-84=13', '31-26=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,82 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[26, 44], Operations: ['97-84=13', '31+13=44'] Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 26*44=1144, Resulting Numbers: [1144] 1144,82 unequal: No Solution Exploring Operation: 26+44=70, Resulting Numbers: [70] 70,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[31, 13], Operations: ['97-84=13', '26-13=13'] Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,82 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 98, 49, 99, 60 ]
89
[ "60-49=11", "99/11=9", "98-9=89" ]
Current State: 89:[98, 49, 99, 60], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [98, 99, 11] Generated Node #2: [98, 99, 11] from Operation: 60-49=11 Current State: 89:[98, 99, 11], Operations: ['60-49=11'] Exploring Operation: 99/11=9, Resulting Numbers: [98, 9] Generated Node #3: [98, 9] from Operation: 99/11=9 Current State: 89:[98, 9], Operations: ['60-49=11', '99/11=9'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[98, 49, 99, 60], Operations: [] Exploring Operation: 49+60=109, Resulting Numbers: [98, 99, 109] Generated Node #0,0: 89:[98, 99, 109] Operation: 49+60=109 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[98, 99, 109], Operations: ['49+60=109'] Exploring Operation: 109-98=11, Resulting Numbers: [99, 11] Generated Node #0,0,0: 89:[99, 11] Operation: 109-98=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[99, 11], Operations: ['49+60=109', '109-98=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 8, 88, 2 ]
15
[ "88/8=11", "2*11=22", "22-7=15" ]
Current State: 15:[7, 8, 88, 2], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [7, 2, 11] Generated Node #2: [7, 2, 11] from Operation: 88/8=11 Current State: 15:[7, 2, 11], Operations: ['88/8=11'] Exploring Operation: 2*11=22, Resulting Numbers: [7, 22] Generated Node #3: [7, 22] from Operation: 2*11=22 Current State: 15:[7, 22], Operations: ['88/8=11', '2*11=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[7, 8, 88, 2], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [7, 8, 44] Generated Node #0,0: 15:[7, 8, 44] Operation: 88/2=44 Exploring Operation: 88-8=80, Resulting Numbers: [7, 2, 80] Generated Node #0,1: 15:[7, 2, 80] Operation: 88-8=80 Exploring Operation: 88/8=11, Resulting Numbers: [7, 2, 11] Generated Node #0,2: 15:[7, 2, 11] Operation: 88/8=11 Moving to Node #0,2 Current State: 15:[7, 2, 11], Operations: ['88/8=11'] Exploring Operation: 7-2=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 15:[11, 5] Operation: 7-2=5 Exploring Operation: 7+11=18, Resulting Numbers: [2, 18] Generated Node #0,2,1: 15:[2, 18] Operation: 7+11=18 Exploring Operation: 11-7=4, Resulting Numbers: [2, 4] Generated Node #0,2,2: 15:[2, 4] Operation: 11-7=4 Moving to Node #0,0 Current State: 15:[7, 8, 44], Operations: ['88/2=44'] Exploring Operation: 44-8=36, Resulting Numbers: [7, 36] Generated Node #0,0,0: 15:[7, 36] Operation: 44-8=36 Exploring Operation: 44-7=37, Resulting Numbers: [8, 37] Generated Node #0,0,1: 15:[8, 37] Operation: 44-7=37 Exploring Operation: 7+8=15, Resulting Numbers: [44, 15] Generated Node #0,0,2: 15:[44, 15] Operation: 7+8=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[7, 36], Operations: ['88/2=44', '44-8=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,15 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[8, 37], Operations: ['88/2=44', '44-7=37'] Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 8*37=296, Resulting Numbers: [296] 296,15 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[44, 15], Operations: ['88/2=44', '7+8=15'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,15 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[7, 2, 80], Operations: ['88-8=80'] Exploring Operation: 7-2=5, Resulting Numbers: [80, 5] Generated Node #0,1,0: 15:[80, 5] Operation: 7-2=5 Exploring Operation: 80/2=40, Resulting Numbers: [7, 40] Generated Node #0,1,1: 15:[7, 40] Operation: 80/2=40 Exploring Operation: 80-7=73, Resulting Numbers: [2, 73] Generated Node #0,1,2: 15:[2, 73] Operation: 80-7=73 Moving to Node #0,2,2 Current State: 15:[2, 4], Operations: ['88/8=11', '11-7=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[2, 18], Operations: ['88/8=11', '7+11=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[11, 5], Operations: ['88/8=11', '7-2=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,15 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[7, 40], Operations: ['88-8=80', '80/2=40'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,15 unequal: No Solution Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[2, 73], Operations: ['88-8=80', '80-7=73'] Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,15 unequal: No Solution Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,15 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[80, 5], Operations: ['88-8=80', '7-2=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,15 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 66, 70, 23, 31 ]
69
[ "70+23=93", "93/31=3", "66+3=69" ]
Current State: 69:[66, 70, 23, 31], Operations: [] Exploring Operation: 70+23=93, Resulting Numbers: [66, 31, 93] Generated Node #2: [66, 31, 93] from Operation: 70+23=93 Current State: 69:[66, 31, 93], Operations: ['70+23=93'] Exploring Operation: 93/31=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 93/31=3 Current State: 69:[66, 3], Operations: ['70+23=93', '93/31=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[66, 70, 23, 31], Operations: [] Exploring Operation: 70-31=39, Resulting Numbers: [66, 23, 39] Generated Node #0,0: 69:[66, 23, 39] Operation: 70-31=39 Exploring Operation: 31-23=8, Resulting Numbers: [66, 70, 8] Generated Node #0,1: 69:[66, 70, 8] Operation: 31-23=8 Exploring Operation: 70-66=4, Resulting Numbers: [23, 31, 4] Generated Node #0,2: 69:[23, 31, 4] Operation: 70-66=4 Exploring Operation: 66-31=35, Resulting Numbers: [70, 23, 35] Generated Node #0,3: 69:[70, 23, 35] Operation: 66-31=35 Exploring Operation: 23+31=54, Resulting Numbers: [66, 70, 54] Generated Node #0,4: 69:[66, 70, 54] Operation: 23+31=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[66, 70, 8], Operations: ['31-23=8'] Exploring Operation: 70-8=62, Resulting Numbers: [66, 62] Generated Node #0,1,0: 69:[66, 62] Operation: 70-8=62 Exploring Operation: 70-66=4, Resulting Numbers: [8, 4] Generated Node #0,1,1: 69:[8, 4] Operation: 70-66=4 Exploring Operation: 66-8=58, Resulting Numbers: [70, 58] Generated Node #0,1,2: 69:[70, 58] Operation: 66-8=58 Exploring Operation: 70+8=78, Resulting Numbers: [66, 78] Generated Node #0,1,3: 69:[66, 78] Operation: 70+8=78 Exploring Operation: 66+8=74, Resulting Numbers: [70, 74] Generated Node #0,1,4: 69:[70, 74] Operation: 66+8=74 Moving to Node #0,1,1 Current State: 69:[8, 4], Operations: ['31-23=8', '70-66=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,69 unequal: No Solution Moving to Node #0,1,4 Current State: 69:[70, 74], Operations: ['31-23=8', '66+8=74'] Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 70*74=5180, Resulting Numbers: [5180] 5180,69 unequal: No Solution Exploring Operation: 70+74=144, Resulting Numbers: [144] 144,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[66, 62], Operations: ['31-23=8', '70-8=62'] Exploring Operation: 66-62=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 66+62=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 66*62=4092, Resulting Numbers: [4092] 4092,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[70, 58], Operations: ['31-23=8', '66-8=58'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 70+58=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 70*58=4060, Resulting Numbers: [4060] 4060,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[66, 78], Operations: ['31-23=8', '70+8=78'] Exploring Operation: 66*78=5148, Resulting Numbers: [5148] 5148,69 unequal: No Solution Exploring Operation: 66+78=144, Resulting Numbers: [144] 144,69 unequal: No Solution Exploring Operation: 78-66=12, Resulting Numbers: [12] 12,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[23, 31, 4], Operations: ['70-66=4'] Exploring Operation: 23-4=19, Resulting Numbers: [31, 19] Generated Node #0,2,0: 69:[31, 19] Operation: 23-4=19 Exploring Operation: 31-4=27, Resulting Numbers: [23, 27] Generated Node #0,2,1: 69:[23, 27] Operation: 31-4=27 Exploring Operation: 31-23=8, Resulting Numbers: [4, 8] Generated Node #0,2,2: 69:[4, 8] Operation: 31-23=8 Exploring Operation: 23+4=27, Resulting Numbers: [31, 27] Generated Node #0,2,3: 69:[31, 27] Operation: 23+4=27 Exploring Operation: 31+4=35, Resulting Numbers: [23, 35] Generated Node #0,2,4: 69:[23, 35] Operation: 31+4=35 Moving to Node #0,2,1 Current State: 69:[23, 27], Operations: ['70-66=4', '31-4=27'] Exploring Operation: 23+27=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 23*27=621, Resulting Numbers: [621] 621,69 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[4, 8], Operations: ['70-66=4', '31-23=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[31, 19], Operations: ['70-66=4', '23-4=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,69 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[31, 27], Operations: ['70-66=4', '23+4=27'] Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,69 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[23, 35], Operations: ['70-66=4', '31+4=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,69 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[70, 23, 35], Operations: ['66-31=35'] Exploring Operation: 35-23=12, Resulting Numbers: [70, 12] Generated Node #0,3,0: 69:[70, 12] Operation: 35-23=12 Exploring Operation: 70/35=2, Resulting Numbers: [23, 2] Generated Node #0,3,1: 69:[23, 2] Operation: 70/35=2 Exploring Operation: 23+35=58, Resulting Numbers: [70, 58] Generated Node #0,3,2: 69:[70, 58] Operation: 23+35=58 Exploring Operation: 70-23=47, Resulting Numbers: [35, 47] Generated Node #0,3,3: 69:[35, 47] Operation: 70-23=47 Exploring Operation: 70-35=35, Resulting Numbers: [23, 35] Generated Node #0,3,4: 69:[23, 35] Operation: 70-35=35 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[23, 2], Operations: ['66-31=35', '70/35=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[70, 12], Operations: ['66-31=35', '35-23=12'] Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,69 unequal: No Solution Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 69:[70, 58], Operations: ['66-31=35', '23+35=58'] Exploring Operation: 70*58=4060, Resulting Numbers: [4060] 4060,69 unequal: No Solution Exploring Operation: 70+58=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 69:[23, 35], Operations: ['66-31=35', '70-35=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,69 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[35, 47], Operations: ['66-31=35', '70-23=47'] Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,69 unequal: No Solution Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[66, 23, 39], Operations: ['70-31=39'] Exploring Operation: 66+23=89, Resulting Numbers: [39, 89] Generated Node #0,0,0: 69:[39, 89] Operation: 66+23=89 Exploring Operation: 66-23=43, Resulting Numbers: [39, 43] Generated Node #0,0,1: 69:[39, 43] Operation: 66-23=43 Exploring Operation: 39-23=16, Resulting Numbers: [66, 16] Generated Node #0,0,2: 69:[66, 16] Operation: 39-23=16 Exploring Operation: 66-39=27, Resulting Numbers: [23, 27] Generated Node #0,0,3: 69:[23, 27] Operation: 66-39=27 Exploring Operation: 23+39=62, Resulting Numbers: [66, 62] Generated Node #0,0,4: 69:[66, 62] Operation: 23+39=62 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 69:[23, 27], Operations: ['70-31=39', '66-39=27'] Exploring Operation: 23+27=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 23*27=621, Resulting Numbers: [621] 621,69 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[66, 16], Operations: ['70-31=39', '39-23=16'] Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,69 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 69:[66, 62], Operations: ['70-31=39', '23+39=62'] Exploring Operation: 66*62=4092, Resulting Numbers: [4092] 4092,69 unequal: No Solution Exploring Operation: 66-62=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 66+62=128, Resulting Numbers: [128] 128,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[39, 89], Operations: ['70-31=39', '66+23=89'] Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[39, 43], Operations: ['70-31=39', '66-23=43'] Exploring Operation: 39*43=1677, Resulting Numbers: [1677] 1677,69 unequal: No Solution Exploring Operation: 39+43=82, Resulting Numbers: [82] 82,69 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 69:[66, 70, 54], Operations: ['23+31=54'] Exploring Operation: 66-54=12, Resulting Numbers: [70, 12] Generated Node #0,4,0: 69:[70, 12] Operation: 66-54=12 Exploring Operation: 70-54=16, Resulting Numbers: [66, 16] Generated Node #0,4,1: 69:[66, 16] Operation: 70-54=16 Exploring Operation: 66+54=120, Resulting Numbers: [70, 120] Generated Node #0,4,2: 69:[70, 120] Operation: 66+54=120 Exploring Operation: 70-66=4, Resulting Numbers: [54, 4] Generated Node #0,4,3: 69:[54, 4] Operation: 70-66=4 Exploring Operation: 70+54=124, Resulting Numbers: [66, 124] Generated Node #0,4,4: 69:[66, 124] Operation: 70+54=124 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 69:[70, 12], Operations: ['23+31=54', '66-54=12'] Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,69 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 69:[66, 16], Operations: ['23+31=54', '70-54=16'] Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,69 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 69:[54, 4], Operations: ['23+31=54', '70-66=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 69:[70, 120], Operations: ['23+31=54', '66+54=120'] Exploring Operation: 120-70=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 70+120=190, Resulting Numbers: [190] 190,69 unequal: No Solution Exploring Operation: 70*120=8400, Resulting Numbers: [8400] 8400,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 69:[66, 124], Operations: ['23+31=54', '70+54=124'] Exploring Operation: 66*124=8184, Resulting Numbers: [8184] 8184,69 unequal: No Solution Exploring Operation: 124-66=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 66+124=190, Resulting Numbers: [190] 190,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 66, 49, 24, 44 ]
95
[ "66+49=115", "44-24=20", "115-20=95" ]
Current State: 95:[66, 49, 24, 44], Operations: [] Exploring Operation: 66+49=115, Resulting Numbers: [24, 44, 115] Generated Node #2: [24, 44, 115] from Operation: 66+49=115 Current State: 95:[24, 44, 115], Operations: ['66+49=115'] Exploring Operation: 44-24=20, Resulting Numbers: [115, 20] Generated Node #3: [115, 20] from Operation: 44-24=20 Current State: 95:[115, 20], Operations: ['66+49=115', '44-24=20'] Exploring Operation: 115-20=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[66, 49, 24, 44], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [66, 24, 5] Generated Node #0,0: 95:[66, 24, 5] Operation: 49-44=5 Exploring Operation: 66-49=17, Resulting Numbers: [24, 44, 17] Generated Node #0,1: 95:[24, 44, 17] Operation: 66-49=17 Exploring Operation: 49+44=93, Resulting Numbers: [66, 24, 93] Generated Node #0,2: 95:[66, 24, 93] Operation: 49+44=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[24, 44, 17], Operations: ['66-49=17'] Exploring Operation: 24-17=7, Resulting Numbers: [44, 7] Generated Node #0,1,0: 95:[44, 7] Operation: 24-17=7 Exploring Operation: 44-24=20, Resulting Numbers: [17, 20] Generated Node #0,1,1: 95:[17, 20] Operation: 44-24=20 Exploring Operation: 44-17=27, Resulting Numbers: [24, 27] Generated Node #0,1,2: 95:[24, 27] Operation: 44-17=27 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[17, 20], Operations: ['66-49=17', '44-24=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,95 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,95 unequal: No Solution Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[24, 27], Operations: ['66-49=17', '44-17=27'] Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,95 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,95 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[44, 7], Operations: ['66-49=17', '24-17=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,95 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[66, 24, 5], Operations: ['49-44=5'] Exploring Operation: 66+24=90, Resulting Numbers: [5, 90] Generated Node #0,0,0: 95:[5, 90] Operation: 66+24=90 Exploring Operation: 66-24=42, Resulting Numbers: [5, 42] Generated Node #0,0,1: 95:[5, 42] Operation: 66-24=42 Exploring Operation: 66+5=71, Resulting Numbers: [24, 71] Generated Node #0,0,2: 95:[24, 71] Operation: 66+5=71 Moving to Node #0,0,0 Current State: 95:[5, 90], Operations: ['49-44=5', '66+24=90'] Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[66, 49, 24, 44], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [66, 24, 5] Generated Node #0,0: 95:[66, 24, 5] Operation: 49-44=5 Moving to Node #0,0 Current State: 95:[66, 24, 5], Operations: ['49-44=5'] Exploring Operation: 66+24=90, Resulting Numbers: [5, 90] Generated Node #0,0,0: 95:[5, 90] Operation: 66+24=90 Moving to Node #0,0,0 Current State: 95:[5, 90], Operations: ['49-44=5', '66+24=90'] Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 2, 98, 45, 69 ]
25
[ "98/2=49", "69-45=24", "49-24=25" ]
Current State: 25:[2, 98, 45, 69], Operations: [] Exploring Operation: 98/2=49, Resulting Numbers: [45, 69, 49] Generated Node #2: [45, 69, 49] from Operation: 98/2=49 Current State: 25:[45, 69, 49], Operations: ['98/2=49'] Exploring Operation: 69-45=24, Resulting Numbers: [49, 24] Generated Node #3: [49, 24] from Operation: 69-45=24 Current State: 25:[49, 24], Operations: ['98/2=49', '69-45=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[2, 98, 45, 69], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [2, 69, 53] Generated Node #0,0: 25:[2, 69, 53] Operation: 98-45=53 Exploring Operation: 69-45=24, Resulting Numbers: [2, 98, 24] Generated Node #0,1: 25:[2, 98, 24] Operation: 69-45=24 Exploring Operation: 98-69=29, Resulting Numbers: [2, 45, 29] Generated Node #0,2: 25:[2, 45, 29] Operation: 98-69=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[2, 45, 29], Operations: ['98-69=29'] Exploring Operation: 45-29=16, Resulting Numbers: [2, 16] Generated Node #0,2,0: 25:[2, 16] Operation: 45-29=16 Exploring Operation: 29-2=27, Resulting Numbers: [45, 27] Generated Node #0,2,1: 25:[45, 27] Operation: 29-2=27 Exploring Operation: 45-2=43, Resulting Numbers: [29, 43] Generated Node #0,2,2: 25:[29, 43] Operation: 45-2=43 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 25:[2, 16], Operations: ['98-69=29', '45-29=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 25:[45, 27], Operations: ['98-69=29', '29-2=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,25 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[29, 43], Operations: ['98-69=29', '45-2=43'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[2, 69, 53], Operations: ['98-45=53'] Exploring Operation: 69-53=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 25:[2, 16] Operation: 69-53=16 Exploring Operation: 53-2=51, Resulting Numbers: [69, 51] Generated Node #0,0,1: 25:[69, 51] Operation: 53-2=51 Exploring Operation: 69-2=67, Resulting Numbers: [53, 67] Generated Node #0,0,2: 25:[53, 67] Operation: 69-2=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[2, 16], Operations: ['98-45=53', '69-53=16'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[69, 51], Operations: ['98-45=53', '53-2=51'] Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,25 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[53, 67], Operations: ['98-45=53', '69-2=67'] Exploring Operation: 53+67=120, Resulting Numbers: [120] 120,25 unequal: No Solution Exploring Operation: 53*67=3551, Resulting Numbers: [3551] 3551,25 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[2, 98, 24], Operations: ['69-45=24'] Exploring Operation: 98/2=49, Resulting Numbers: [24, 49] Generated Node #0,1,0: 25:[24, 49] Operation: 98/2=49 Exploring Operation: 98-2=96, Resulting Numbers: [24, 96] Generated Node #0,1,1: 25:[24, 96] Operation: 98-2=96 Exploring Operation: 98-24=74, Resulting Numbers: [2, 74] Generated Node #0,1,2: 25:[2, 74] Operation: 98-24=74 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[24, 49], Operations: ['69-45=24', '98/2=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[2, 98, 45, 69], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [2, 98, 24] Generated Node #0,1: 25:[2, 98, 24] Operation: 69-45=24 Moving to Node #0,1 Current State: 25:[2, 98, 24], Operations: ['69-45=24'] Exploring Operation: 98/2=49, Resulting Numbers: [24, 49] Generated Node #0,1,0: 25:[24, 49] Operation: 98/2=49 Moving to Node #0,1,0 Current State: 25:[24, 49], Operations: ['69-45=24', '98/2=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 4, 83, 29, 35 ]
73
[ "83-4=79", "35-29=6", "79-6=73" ]
Current State: 73:[4, 83, 29, 35], Operations: [] Exploring Operation: 83-4=79, Resulting Numbers: [29, 35, 79] Generated Node #2: [29, 35, 79] from Operation: 83-4=79 Current State: 73:[29, 35, 79], Operations: ['83-4=79'] Exploring Operation: 35-29=6, Resulting Numbers: [79, 6] Generated Node #3: [79, 6] from Operation: 35-29=6 Current State: 73:[79, 6], Operations: ['83-4=79', '35-29=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[4, 83, 29, 35], Operations: [] Exploring Operation: 4+29=33, Resulting Numbers: [83, 35, 33] Generated Node #0,0: 73:[83, 35, 33] Operation: 4+29=33 Exploring Operation: 83-4=79, Resulting Numbers: [29, 35, 79] Generated Node #0,1: 73:[29, 35, 79] Operation: 83-4=79 Exploring Operation: 4+35=39, Resulting Numbers: [83, 29, 39] Generated Node #0,2: 73:[83, 29, 39] Operation: 4+35=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[83, 35, 33], Operations: ['4+29=33'] Exploring Operation: 83-33=50, Resulting Numbers: [35, 50] Generated Node #0,0,0: 73:[35, 50] Operation: 83-33=50 Exploring Operation: 83-35=48, Resulting Numbers: [33, 48] Generated Node #0,0,1: 73:[33, 48] Operation: 83-35=48 Exploring Operation: 35+33=68, Resulting Numbers: [83, 68] Generated Node #0,0,2: 73:[83, 68] Operation: 35+33=68 Moving to Node #0,0,2 Current State: 73:[83, 68], Operations: ['4+29=33', '35+33=68'] Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,73 unequal: No Solution Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,73 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[35, 50], Operations: ['4+29=33', '83-33=50'] Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,73 unequal: No Solution Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,73 unequal: No Solution Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[33, 48], Operations: ['4+29=33', '83-35=48'] Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,73 unequal: No Solution Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[29, 35, 79], Operations: ['83-4=79'] Exploring Operation: 79-29=50, Resulting Numbers: [35, 50] Generated Node #0,1,0: 73:[35, 50] Operation: 79-29=50 Exploring Operation: 29+35=64, Resulting Numbers: [79, 64] Generated Node #0,1,1: 73:[79, 64] Operation: 29+35=64 Exploring Operation: 35-29=6, Resulting Numbers: [79, 6] Generated Node #0,1,2: 73:[79, 6] Operation: 35-29=6 Moving to Node #0,1,1 Current State: 73:[79, 64], Operations: ['83-4=79', '29+35=64'] Exploring Operation: 79+64=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,73 unequal: No Solution Exploring Operation: 79*64=5056, Resulting Numbers: [5056] 5056,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[35, 50], Operations: ['83-4=79', '79-29=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,73 unequal: No Solution Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[79, 6], Operations: ['83-4=79', '35-29=6'] Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,73 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[4, 83, 29, 35], Operations: [] Exploring Operation: 83-4=79, Resulting Numbers: [29, 35, 79] Generated Node #0,1: 73:[29, 35, 79] Operation: 83-4=79 Moving to Node #0,1 Current State: 73:[29, 35, 79], Operations: ['83-4=79'] Exploring Operation: 35-29=6, Resulting Numbers: [79, 6] Generated Node #0,1,2: 73:[79, 6] Operation: 35-29=6 Moving to Node #0,1,2 Current State: 73:[79, 6], Operations: ['83-4=79', '35-29=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 29, 51, 76, 92 ]
64
[ "29+51=80", "92-76=16", "80-16=64" ]
Current State: 64:[29, 51, 76, 92], Operations: [] Exploring Operation: 29+51=80, Resulting Numbers: [76, 92, 80] Generated Node #2: [76, 92, 80] from Operation: 29+51=80 Current State: 64:[76, 92, 80], Operations: ['29+51=80'] Exploring Operation: 92-76=16, Resulting Numbers: [80, 16] Generated Node #3: [80, 16] from Operation: 92-76=16 Current State: 64:[80, 16], Operations: ['29+51=80', '92-76=16'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[29, 51, 76, 92], Operations: [] Exploring Operation: 92-76=16, Resulting Numbers: [29, 51, 16] Generated Node #0,0: 64:[29, 51, 16] Operation: 92-76=16 Exploring Operation: 92-51=41, Resulting Numbers: [29, 76, 41] Generated Node #0,1: 64:[29, 76, 41] Operation: 92-51=41 Moving to Node #0,0 Current State: 64:[29, 51, 16], Operations: ['92-76=16'] Exploring Operation: 51+16=67, Resulting Numbers: [29, 67] Generated Node #0,0,0: 64:[29, 67] Operation: 51+16=67 Exploring Operation: 51-29=22, Resulting Numbers: [16, 22] Generated Node #0,0,1: 64:[16, 22] Operation: 51-29=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[29, 67], Operations: ['92-76=16', '51+16=67'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 29+67=96, Resulting Numbers: [96] 96,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[16, 22], Operations: ['92-76=16', '51-29=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 64:[29, 76, 41], Operations: ['92-51=41'] Exploring Operation: 76-41=35, Resulting Numbers: [29, 35] Generated Node #0,1,0: 64:[29, 35] Operation: 76-41=35 Exploring Operation: 41-29=12, Resulting Numbers: [76, 12] Generated Node #0,1,1: 64:[76, 12] Operation: 41-29=12 Moving to Node #0,1,0 Current State: 64:[29, 35], Operations: ['92-51=41', '76-41=35'] Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[29, 51, 76, 92], Operations: [] Exploring Operation: 92-51=41, Resulting Numbers: [29, 76, 41] Generated Node #0,1: 64:[29, 76, 41] Operation: 92-51=41 Moving to Node #0,1 Current State: 64:[29, 76, 41], Operations: ['92-51=41'] Exploring Operation: 76-41=35, Resulting Numbers: [29, 35] Generated Node #0,1,0: 64:[29, 35] Operation: 76-41=35 Moving to Node #0,1,0 Current State: 64:[29, 35], Operations: ['92-51=41', '76-41=35'] Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 71, 49, 14, 62 ]
77
[ "71-62=9", "14*9=126", "126-49=77" ]
Current State: 77:[71, 49, 14, 62], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [49, 14, 9] Generated Node #2: [49, 14, 9] from Operation: 71-62=9 Current State: 77:[49, 14, 9], Operations: ['71-62=9'] Exploring Operation: 14*9=126, Resulting Numbers: [49, 126] Generated Node #3: [49, 126] from Operation: 14*9=126 Current State: 77:[49, 126], Operations: ['71-62=9', '14*9=126'] Exploring Operation: 126-49=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[71, 49, 14, 62], Operations: [] Exploring Operation: 62-49=13, Resulting Numbers: [71, 14, 13] Generated Node #0,0: 77:[71, 14, 13] Operation: 62-49=13 Exploring Operation: 71-49=22, Resulting Numbers: [14, 62, 22] Generated Node #0,1: 77:[14, 62, 22] Operation: 71-49=22 Exploring Operation: 49+14=63, Resulting Numbers: [71, 62, 63] Generated Node #0,2: 77:[71, 62, 63] Operation: 49+14=63 Exploring Operation: 71-62=9, Resulting Numbers: [49, 14, 9] Generated Node #0,3: 77:[49, 14, 9] Operation: 71-62=9 Exploring Operation: 14+62=76, Resulting Numbers: [71, 49, 76] Generated Node #0,4: 77:[71, 49, 76] Operation: 14+62=76 Moving to Node #0,0 Current State: 77:[71, 14, 13], Operations: ['62-49=13'] Exploring Operation: 71+13=84, Resulting Numbers: [14, 84] Generated Node #0,0,0: 77:[14, 84] Operation: 71+13=84 Exploring Operation: 14-13=1, Resulting Numbers: [71, 1] Generated Node #0,0,1: 77:[71, 1] Operation: 14-13=1 Exploring Operation: 71-14=57, Resulting Numbers: [13, 57] Generated Node #0,0,2: 77:[13, 57] Operation: 71-14=57 Exploring Operation: 71-13=58, Resulting Numbers: [14, 58] Generated Node #0,0,3: 77:[14, 58] Operation: 71-13=58 Exploring Operation: 71+14=85, Resulting Numbers: [13, 85] Generated Node #0,0,4: 77:[13, 85] Operation: 71+14=85 Moving to Node #0,1 Current State: 77:[14, 62, 22], Operations: ['71-49=22'] Exploring Operation: 22-14=8, Resulting Numbers: [62, 8] Generated Node #0,1,0: 77:[62, 8] Operation: 22-14=8 Exploring Operation: 62+22=84, Resulting Numbers: [14, 84] Generated Node #0,1,1: 77:[14, 84] Operation: 62+22=84 Exploring Operation: 62-22=40, Resulting Numbers: [14, 40] Generated Node #0,1,2: 77:[14, 40] Operation: 62-22=40 Exploring Operation: 14+62=76, Resulting Numbers: [22, 76] Generated Node #0,1,3: 77:[22, 76] Operation: 14+62=76 Exploring Operation: 62-14=48, Resulting Numbers: [22, 48] Generated Node #0,1,4: 77:[22, 48] Operation: 62-14=48 Moving to Node #0,3 Current State: 77:[49, 14, 9], Operations: ['71-62=9'] Exploring Operation: 49+9=58, Resulting Numbers: [14, 58] Generated Node #0,3,0: 77:[14, 58] Operation: 49+9=58 Exploring Operation: 49+14=63, Resulting Numbers: [9, 63] Generated Node #0,3,1: 77:[9, 63] Operation: 49+14=63 Exploring Operation: 14-9=5, Resulting Numbers: [49, 5] Generated Node #0,3,2: 77:[49, 5] Operation: 14-9=5 Exploring Operation: 49-9=40, Resulting Numbers: [14, 40] Generated Node #0,3,3: 77:[14, 40] Operation: 49-9=40 Exploring Operation: 49-14=35, Resulting Numbers: [9, 35] Generated Node #0,3,4: 77:[9, 35] Operation: 49-14=35 Moving to Node #0,2 Current State: 77:[71, 62, 63], Operations: ['49+14=63'] Exploring Operation: 71+62=133, Resulting Numbers: [63, 133] Generated Node #0,2,0: 77:[63, 133] Operation: 71+62=133 Exploring Operation: 71-63=8, Resulting Numbers: [62, 8] Generated Node #0,2,1: 77:[62, 8] Operation: 71-63=8 Exploring Operation: 71-62=9, Resulting Numbers: [63, 9] Generated Node #0,2,2: 77:[63, 9] Operation: 71-62=9 Exploring Operation: 62+63=125, Resulting Numbers: [71, 125] Generated Node #0,2,3: 77:[71, 125] Operation: 62+63=125 Exploring Operation: 63-62=1, Resulting Numbers: [71, 1] Generated Node #0,2,4: 77:[71, 1] Operation: 63-62=1 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[71, 1], Operations: ['49+14=63', '63-62=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[62, 8], Operations: ['49+14=63', '71-63=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,77 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[63, 9], Operations: ['49+14=63', '71-62=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,77 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[71, 125], Operations: ['49+14=63', '62+63=125'] Exploring Operation: 125-71=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 71+125=196, Resulting Numbers: [196] 196,77 unequal: No Solution Exploring Operation: 71*125=8875, Resulting Numbers: [8875] 8875,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[63, 133], Operations: ['49+14=63', '71+62=133'] Exploring Operation: 63+133=196, Resulting Numbers: [196] 196,77 unequal: No Solution Exploring Operation: 133-63=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 63*133=8379, Resulting Numbers: [8379] 8379,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 77:[71, 49, 76], Operations: ['14+62=76'] Exploring Operation: 49+76=125, Resulting Numbers: [71, 125] Generated Node #0,4,0: 77:[71, 125] Operation: 49+76=125 Exploring Operation: 71-49=22, Resulting Numbers: [76, 22] Generated Node #0,4,1: 77:[76, 22] Operation: 71-49=22 Exploring Operation: 71+49=120, Resulting Numbers: [76, 120] Generated Node #0,4,2: 77:[76, 120] Operation: 71+49=120 Exploring Operation: 76-49=27, Resulting Numbers: [71, 27] Generated Node #0,4,3: 77:[71, 27] Operation: 76-49=27 Exploring Operation: 76-71=5, Resulting Numbers: [49, 5] Generated Node #0,4,4: 77:[49, 5] Operation: 76-71=5 Moving to Node #0,0,0 Current State: 77:[14, 84], Operations: ['62-49=13', '71+13=84'] Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,77 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[14, 84], Operations: ['71-49=22', '62+22=84'] Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,77 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,77 unequal: No Solution Moving to Node #0,0,4 Current State: 77:[13, 85], Operations: ['62-49=13', '71+14=85'] Exploring Operation: 13+85=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 13*85=1105, Resulting Numbers: [1105] 1105,77 unequal: No Solution Moving to Node #0,1,3 Current State: 77:[22, 76], Operations: ['71-49=22', '14+62=76'] Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,77 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[71, 1], Operations: ['62-49=13', '14-13=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,77 unequal: No Solution Moving to Node #0,4,1 Current State: 77:[76, 22], Operations: ['14+62=76', '71-49=22'] Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 76*22=1672, Resulting Numbers: [1672] 1672,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[9, 63], Operations: ['71-62=9', '49+14=63'] Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 9*63=567, Resulting Numbers: [567] 567,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[62, 8], Operations: ['71-49=22', '22-14=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[14, 58], Operations: ['71-62=9', '49+9=58'] Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[14, 58], Operations: ['62-49=13', '71-13=58'] Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,77 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[13, 57], Operations: ['62-49=13', '71-14=57'] Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,77 unequal: No Solution Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,77 unequal: No Solution Moving to Node #0,4,3 Current State: 77:[71, 27], Operations: ['14+62=76', '76-49=27'] Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 71+27=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 71*27=1917, Resulting Numbers: [1917] 1917,77 unequal: No Solution Moving to Node #0,3,4 Current State: 77:[9, 35], Operations: ['71-62=9', '49-14=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[49, 5], Operations: ['71-62=9', '14-9=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,77 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,77 unequal: No Solution Moving to Node #0,4,4 Current State: 77:[49, 5], Operations: ['14+62=76', '76-71=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,77 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[14, 40], Operations: ['71-49=22', '62-22=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,77 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[14, 40], Operations: ['71-62=9', '49-9=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,77 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,77 unequal: No Solution Moving to Node #0,1,4 Current State: 77:[22, 48], Operations: ['71-49=22', '62-14=48'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,77 unequal: No Solution Moving to Node #0,4,2 Current State: 77:[76, 120], Operations: ['14+62=76', '71+49=120'] Exploring Operation: 76*120=9120, Resulting Numbers: [9120] 9120,77 unequal: No Solution Exploring Operation: 120-76=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 76+120=196, Resulting Numbers: [196] 196,77 unequal: No Solution Moving to Node #0,4,0 Current State: 77:[71, 125], Operations: ['14+62=76', '49+76=125'] Exploring Operation: 125-71=54, Resulting Numbers: [54] 54,77 unequal: No Solution Exploring Operation: 71+125=196, Resulting Numbers: [196] 196,77 unequal: No Solution Exploring Operation: 71*125=8875, Resulting Numbers: [8875] 8875,77 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 19, 39, 3, 19 ]
75
[ "19+19=38", "3*38=114", "114-39=75" ]
Current State: 75:[19, 39, 3, 19], Operations: [] Exploring Operation: 19+19=38, Resulting Numbers: [39, 3, 38] Generated Node #2: [39, 3, 38] from Operation: 19+19=38 Current State: 75:[39, 3, 38], Operations: ['19+19=38'] Exploring Operation: 3*38=114, Resulting Numbers: [39, 114] Generated Node #3: [39, 114] from Operation: 3*38=114 Current State: 75:[39, 114], Operations: ['19+19=38', '3*38=114'] Exploring Operation: 114-39=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[19, 39, 3, 19], Operations: [] Exploring Operation: 39-19=20, Resulting Numbers: [3, 19, 20] Generated Node #0,0: 75:[3, 19, 20] Operation: 39-19=20 Exploring Operation: 39/3=13, Resulting Numbers: [19, 19, 13] Generated Node #0,1: 75:[19, 19, 13] Operation: 39/3=13 Exploring Operation: 39-19=20, Resulting Numbers: [19, 3, 20] Generated Node #0,2: 75:[19, 3, 20] Operation: 39-19=20 Exploring Operation: 19/19=1, Resulting Numbers: [39, 3, 1] Generated Node #0,3: 75:[39, 3, 1] Operation: 19/19=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[3, 19, 20], Operations: ['39-19=20'] Exploring Operation: 3+20=23, Resulting Numbers: [19, 23] Generated Node #0,0,0: 75:[19, 23] Operation: 3+20=23 Exploring Operation: 20-3=17, Resulting Numbers: [19, 17] Generated Node #0,0,1: 75:[19, 17] Operation: 20-3=17 Exploring Operation: 19-3=16, Resulting Numbers: [20, 16] Generated Node #0,0,2: 75:[20, 16] Operation: 19-3=16 Exploring Operation: 20-19=1, Resulting Numbers: [3, 1] Generated Node #0,0,3: 75:[3, 1] Operation: 20-19=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[3, 1], Operations: ['39-19=20', '20-19=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[19, 23], Operations: ['39-19=20', '3+20=23'] Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,75 unequal: No Solution Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[19, 17], Operations: ['39-19=20', '20-3=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,75 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[20, 16], Operations: ['39-19=20', '19-3=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[19, 3, 20], Operations: ['39-19=20'] Exploring Operation: 20-19=1, Resulting Numbers: [3, 1] Generated Node #0,2,0: 75:[3, 1] Operation: 20-19=1 Exploring Operation: 19-3=16, Resulting Numbers: [20, 16] Generated Node #0,2,1: 75:[20, 16] Operation: 19-3=16 Exploring Operation: 3+20=23, Resulting Numbers: [19, 23] Generated Node #0,2,2: 75:[19, 23] Operation: 3+20=23 Exploring Operation: 20-3=17, Resulting Numbers: [19, 17] Generated Node #0,2,3: 75:[19, 17] Operation: 20-3=17 Moving to Node #0,2,0 Current State: 75:[3, 1], Operations: ['39-19=20', '20-19=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[19, 23], Operations: ['39-19=20', '3+20=23'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,75 unequal: No Solution Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[20, 16], Operations: ['39-19=20', '19-3=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[19, 17], Operations: ['39-19=20', '20-3=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[19, 19, 13], Operations: ['39/3=13'] Exploring Operation: 19/19=1, Resulting Numbers: [13, 1] Generated Node #0,1,0: 75:[13, 1] Operation: 19/19=1 Exploring Operation: 19-19=0, Resulting Numbers: [13, 0] Generated Node #0,1,1: 75:[13, 0] Operation: 19-19=0 Exploring Operation: 19-13=6, Resulting Numbers: [19, 6] Generated Node #0,1,2: 75:[19, 6] Operation: 19-13=6 Exploring Operation: 19-13=6, Resulting Numbers: [19, 6] Generated Node #0,1,3: 75:[19, 6] Operation: 19-13=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[13, 1], Operations: ['39/3=13', '19/19=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,75 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[13, 0], Operations: ['39/3=13', '19-19=0'] Exploring Operation: 13*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 13+0=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 13-0=13, Resulting Numbers: [13] 13,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[19, 6], Operations: ['39/3=13', '19-13=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[19, 6], Operations: ['39/3=13', '19-13=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,75 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[39, 3, 1], Operations: ['19/19=1'] Exploring Operation: 39/3=13, Resulting Numbers: [1, 13] Generated Node #0,3,0: 75:[1, 13] Operation: 39/3=13 Exploring Operation: 39-1=38, Resulting Numbers: [3, 38] Generated Node #0,3,1: 75:[3, 38] Operation: 39-1=38 Exploring Operation: 39-3=36, Resulting Numbers: [1, 36] Generated Node #0,3,2: 75:[1, 36] Operation: 39-3=36 Exploring Operation: 39*1=39, Resulting Numbers: [3, 39] Generated Node #0,3,3: 75:[3, 39] Operation: 39*1=39 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[1, 13], Operations: ['19/19=1', '39/3=13'] Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,75 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[3, 38], Operations: ['19/19=1', '39-1=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,75 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,75 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[1, 36], Operations: ['19/19=1', '39-3=36'] Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,75 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[3, 39], Operations: ['19/19=1', '39*1=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 70, 20, 83, 76 ]
43
[ "70-20=50", "83-76=7", "50-7=43" ]
Current State: 43:[70, 20, 83, 76], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [83, 76, 50] Generated Node #2: [83, 76, 50] from Operation: 70-20=50 Current State: 43:[83, 76, 50], Operations: ['70-20=50'] Exploring Operation: 83-76=7, Resulting Numbers: [50, 7] Generated Node #3: [50, 7] from Operation: 83-76=7 Current State: 43:[50, 7], Operations: ['70-20=50', '83-76=7'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[70, 20, 83, 76], Operations: [] Exploring Operation: 83-76=7, Resulting Numbers: [70, 20, 7] Generated Node #0,0: 43:[70, 20, 7] Operation: 83-76=7 Exploring Operation: 83-20=63, Resulting Numbers: [70, 76, 63] Generated Node #0,1: 43:[70, 76, 63] Operation: 83-20=63 Exploring Operation: 83-70=13, Resulting Numbers: [20, 76, 13] Generated Node #0,2: 43:[20, 76, 13] Operation: 83-70=13 Exploring Operation: 76-20=56, Resulting Numbers: [70, 83, 56] Generated Node #0,3: 43:[70, 83, 56] Operation: 76-20=56 Exploring Operation: 70-20=50, Resulting Numbers: [83, 76, 50] Generated Node #0,4: 43:[83, 76, 50] Operation: 70-20=50 Moving to Node #0,1 Current State: 43:[70, 76, 63], Operations: ['83-20=63'] Exploring Operation: 70+63=133, Resulting Numbers: [76, 133] Generated Node #0,1,0: 43:[76, 133] Operation: 70+63=133 Exploring Operation: 76-63=13, Resulting Numbers: [70, 13] Generated Node #0,1,1: 43:[70, 13] Operation: 76-63=13 Exploring Operation: 70+76=146, Resulting Numbers: [63, 146] Generated Node #0,1,2: 43:[63, 146] Operation: 70+76=146 Exploring Operation: 70-63=7, Resulting Numbers: [76, 7] Generated Node #0,1,3: 43:[76, 7] Operation: 70-63=7 Exploring Operation: 76-70=6, Resulting Numbers: [63, 6] Generated Node #0,1,4: 43:[63, 6] Operation: 76-70=6 Moving to Node #0,4 Current State: 43:[83, 76, 50], Operations: ['70-20=50'] Exploring Operation: 83-76=7, Resulting Numbers: [50, 7] Generated Node #0,4,0: 43:[50, 7] Operation: 83-76=7 Exploring Operation: 83+50=133, Resulting Numbers: [76, 133] Generated Node #0,4,1: 43:[76, 133] Operation: 83+50=133 Exploring Operation: 83-50=33, Resulting Numbers: [76, 33] Generated Node #0,4,2: 43:[76, 33] Operation: 83-50=33 Exploring Operation: 83+76=159, Resulting Numbers: [50, 159] Generated Node #0,4,3: 43:[50, 159] Operation: 83+76=159 Exploring Operation: 76-50=26, Resulting Numbers: [83, 26] Generated Node #0,4,4: 43:[83, 26] Operation: 76-50=26 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 43:[50, 7], Operations: ['70-20=50', '83-76=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,43 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,43 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[70, 20, 83, 76], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [83, 76, 50] Generated Node #0,4: 43:[83, 76, 50] Operation: 70-20=50 Moving to Node #0,4 Current State: 43:[83, 76, 50], Operations: ['70-20=50'] Exploring Operation: 83-76=7, Resulting Numbers: [50, 7] Generated Node #0,4,0: 43:[50, 7] Operation: 83-76=7 Moving to Node #0,4,0 Current State: 43:[50, 7], Operations: ['70-20=50', '83-76=7'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 5, 55, 10, 81 ]
52
[ "10/5=2", "81-55=26", "2*26=52" ]
Current State: 52:[5, 55, 10, 81], Operations: [] Exploring Operation: 10/5=2, Resulting Numbers: [55, 81, 2] Generated Node #2: [55, 81, 2] from Operation: 10/5=2 Current State: 52:[55, 81, 2], Operations: ['10/5=2'] Exploring Operation: 81-55=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 81-55=26 Current State: 52:[2, 26], Operations: ['10/5=2', '81-55=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[5, 55, 10, 81], Operations: [] Exploring Operation: 81-5=76, Resulting Numbers: [55, 10, 76] Generated Node #0,0: 52:[55, 10, 76] Operation: 81-5=76 Exploring Operation: 81-10=71, Resulting Numbers: [5, 55, 71] Generated Node #0,1: 52:[5, 55, 71] Operation: 81-10=71 Exploring Operation: 81-55=26, Resulting Numbers: [5, 10, 26] Generated Node #0,2: 52:[5, 10, 26] Operation: 81-55=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[5, 10, 26], Operations: ['81-55=26'] Exploring Operation: 10/5=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 52:[26, 2] Operation: 10/5=2 Exploring Operation: 5+10=15, Resulting Numbers: [26, 15] Generated Node #0,2,1: 52:[26, 15] Operation: 5+10=15 Exploring Operation: 10-5=5, Resulting Numbers: [26, 5] Generated Node #0,2,2: 52:[26, 5] Operation: 10-5=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 52:[26, 2], Operations: ['81-55=26', '10/5=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[5, 55, 10, 81], Operations: [] Exploring Operation: 81-55=26, Resulting Numbers: [5, 10, 26] Generated Node #0,2: 52:[5, 10, 26] Operation: 81-55=26 Moving to Node #0,2 Current State: 52:[5, 10, 26], Operations: ['81-55=26'] Exploring Operation: 10/5=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 52:[26, 2] Operation: 10/5=2 Moving to Node #0,2,0 Current State: 52:[26, 2], Operations: ['81-55=26', '10/5=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 98, 47, 41, 53 ]
49
[ "98*47=4606", "41+53=94", "4606/94=49" ]
Current State: 49:[98, 47, 41, 53], Operations: [] Exploring Operation: 98*47=4606, Resulting Numbers: [41, 53, 4606] Generated Node #2: [41, 53, 4606] from Operation: 98*47=4606 Current State: 49:[41, 53, 4606], Operations: ['98*47=4606'] Exploring Operation: 41+53=94, Resulting Numbers: [4606, 94] Generated Node #3: [4606, 94] from Operation: 41+53=94 Current State: 49:[4606, 94], Operations: ['98*47=4606', '41+53=94'] Exploring Operation: 4606/94=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[98, 47, 41, 53], Operations: [] Exploring Operation: 98-47=51, Resulting Numbers: [41, 53, 51] Generated Node #0,0: 49:[41, 53, 51] Operation: 98-47=51 Moving to Node #0,0 Current State: 49:[41, 53, 51], Operations: ['98-47=51'] Exploring Operation: 53-41=12, Resulting Numbers: [51, 12] Generated Node #0,0,0: 49:[51, 12] Operation: 53-41=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[51, 12], Operations: ['98-47=51', '53-41=12'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 90, 66, 11, 13 ]
26
[ "90-66=24", "13-11=2", "24+2=26" ]
Current State: 26:[90, 66, 11, 13], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [11, 13, 24] Generated Node #2: [11, 13, 24] from Operation: 90-66=24 Current State: 26:[11, 13, 24], Operations: ['90-66=24'] Exploring Operation: 13-11=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 13-11=2 Current State: 26:[24, 2], Operations: ['90-66=24', '13-11=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[90, 66, 11, 13], Operations: [] Exploring Operation: 90-11=79, Resulting Numbers: [66, 13, 79] Generated Node #0,0: 26:[66, 13, 79] Operation: 90-11=79 Exploring Operation: 66/11=6, Resulting Numbers: [90, 13, 6] Generated Node #0,1: 26:[90, 13, 6] Operation: 66/11=6 Exploring Operation: 90-66=24, Resulting Numbers: [11, 13, 24] Generated Node #0,2: 26:[11, 13, 24] Operation: 90-66=24 Moving to Node #0,2 Current State: 26:[11, 13, 24], Operations: ['90-66=24'] Exploring Operation: 11+13=24, Resulting Numbers: [24, 24] Generated Node #0,2,0: 26:[24, 24] Operation: 11+13=24 Exploring Operation: 13-11=2, Resulting Numbers: [24, 2] Generated Node #0,2,1: 26:[24, 2] Operation: 13-11=2 Exploring Operation: 24-11=13, Resulting Numbers: [13, 13] Generated Node #0,2,2: 26:[13, 13] Operation: 24-11=13 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[13, 13], Operations: ['90-66=24', '24-11=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[90, 66, 11, 13], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [11, 13, 24] Generated Node #0,2: 26:[11, 13, 24] Operation: 90-66=24 Moving to Node #0,2 Current State: 26:[11, 13, 24], Operations: ['90-66=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13, 13] Generated Node #0,2,2: 26:[13, 13] Operation: 24-11=13 Moving to Node #0,2,2 Current State: 26:[13, 13], Operations: ['90-66=24', '24-11=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 59, 13, 18, 6 ]
13
[ "59+6=65", "18-13=5", "65/5=13" ]
Current State: 13:[59, 13, 18, 6], Operations: [] Exploring Operation: 59+6=65, Resulting Numbers: [13, 18, 65] Generated Node #2: [13, 18, 65] from Operation: 59+6=65 Current State: 13:[13, 18, 65], Operations: ['59+6=65'] Exploring Operation: 18-13=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 18-13=5 Current State: 13:[65, 5], Operations: ['59+6=65', '18-13=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[59, 13, 18, 6], Operations: [] Exploring Operation: 59-18=41, Resulting Numbers: [13, 6, 41] Generated Node #0,0: 13:[13, 6, 41] Operation: 59-18=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[13, 6, 41], Operations: ['59-18=41'] Exploring Operation: 41-13=28, Resulting Numbers: [6, 28] Generated Node #0,0,0: 13:[6, 28] Operation: 41-13=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[6, 28], Operations: ['59-18=41', '41-13=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 31, 3, 65, 33 ]
35
[ "65-3=62", "62/31=2", "33+2=35" ]
Current State: 35:[31, 3, 65, 33], Operations: [] Exploring Operation: 65-3=62, Resulting Numbers: [31, 33, 62] Generated Node #2: [31, 33, 62] from Operation: 65-3=62 Current State: 35:[31, 33, 62], Operations: ['65-3=62'] Exploring Operation: 62/31=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 62/31=2 Current State: 35:[33, 2], Operations: ['65-3=62', '62/31=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[31, 3, 65, 33], Operations: [] Exploring Operation: 65-31=34, Resulting Numbers: [3, 33, 34] Generated Node #0,0: 35:[3, 33, 34] Operation: 65-31=34 Exploring Operation: 65-33=32, Resulting Numbers: [31, 3, 32] Generated Node #0,1: 35:[31, 3, 32] Operation: 65-33=32 Exploring Operation: 65-3=62, Resulting Numbers: [31, 33, 62] Generated Node #0,2: 35:[31, 33, 62] Operation: 65-3=62 Exploring Operation: 31+3=34, Resulting Numbers: [65, 33, 34] Generated Node #0,3: 35:[65, 33, 34] Operation: 31+3=34 Exploring Operation: 33-31=2, Resulting Numbers: [3, 65, 2] Generated Node #0,4: 35:[3, 65, 2] Operation: 33-31=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[3, 33, 34], Operations: ['65-31=34'] Exploring Operation: 34-3=31, Resulting Numbers: [33, 31] Generated Node #0,0,0: 35:[33, 31] Operation: 34-3=31 Exploring Operation: 3+34=37, Resulting Numbers: [33, 37] Generated Node #0,0,1: 35:[33, 37] Operation: 3+34=37 Exploring Operation: 33-3=30, Resulting Numbers: [34, 30] Generated Node #0,0,2: 35:[34, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [34, 11] Generated Node #0,0,3: 35:[34, 11] Operation: 33/3=11 Exploring Operation: 3+33=36, Resulting Numbers: [34, 36] Generated Node #0,0,4: 35:[34, 36] Operation: 3+33=36 Moving to Node #0,0,4 Current State: 35:[34, 36], Operations: ['65-31=34', '3+33=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,35 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[33, 37], Operations: ['65-31=34', '3+34=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,35 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[34, 11], Operations: ['65-31=34', '33/3=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[33, 31], Operations: ['65-31=34', '34-3=31'] Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,35 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[34, 30], Operations: ['65-31=34', '33-3=30'] Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,35 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[31, 3, 32], Operations: ['65-33=32'] Exploring Operation: 32-31=1, Resulting Numbers: [3, 1] Generated Node #0,1,0: 35:[3, 1] Operation: 32-31=1 Exploring Operation: 3+32=35, Resulting Numbers: [31, 35] Generated Node #0,1,1: 35:[31, 35] Operation: 3+32=35 Exploring Operation: 32-3=29, Resulting Numbers: [31, 29] Generated Node #0,1,2: 35:[31, 29] Operation: 32-3=29 Exploring Operation: 31+3=34, Resulting Numbers: [32, 34] Generated Node #0,1,3: 35:[32, 34] Operation: 31+3=34 Exploring Operation: 31-3=28, Resulting Numbers: [32, 28] Generated Node #0,1,4: 35:[32, 28] Operation: 31-3=28 Moving to Node #0,1,1 Current State: 35:[31, 35], Operations: ['65-33=32', '3+32=35'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 31*35=1085, Resulting Numbers: [1085] 1085,35 unequal: No Solution Exploring Operation: 31+35=66, Resulting Numbers: [66] 66,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[32, 34], Operations: ['65-33=32', '31+3=34'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,35 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,35 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[3, 1], Operations: ['65-33=32', '32-31=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[31, 29], Operations: ['65-33=32', '32-3=29'] Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,35 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[32, 28], Operations: ['65-33=32', '31-3=28'] Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 32*28=896, Resulting Numbers: [896] 896,35 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[31, 33, 62], Operations: ['65-3=62'] Exploring Operation: 62-31=31, Resulting Numbers: [33, 31] Generated Node #0,2,0: 35:[33, 31] Operation: 62-31=31 Exploring Operation: 31+33=64, Resulting Numbers: [62, 64] Generated Node #0,2,1: 35:[62, 64] Operation: 31+33=64 Exploring Operation: 62/31=2, Resulting Numbers: [33, 2] Generated Node #0,2,2: 35:[33, 2] Operation: 62/31=2 Exploring Operation: 62-33=29, Resulting Numbers: [31, 29] Generated Node #0,2,3: 35:[31, 29] Operation: 62-33=29 Exploring Operation: 33-31=2, Resulting Numbers: [62, 2] Generated Node #0,2,4: 35:[62, 2] Operation: 33-31=2 Moving to Node #0,2,2 Current State: 35:[33, 2], Operations: ['65-3=62', '62/31=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,35 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[31, 3, 65, 33], Operations: [] Exploring Operation: 65-3=62, Resulting Numbers: [31, 33, 62] Generated Node #0,2: 35:[31, 33, 62] Operation: 65-3=62 Moving to Node #0,2 Current State: 35:[31, 33, 62], Operations: ['65-3=62'] Exploring Operation: 62/31=2, Resulting Numbers: [33, 2] Generated Node #0,2,2: 35:[33, 2] Operation: 62/31=2 Moving to Node #0,2,2 Current State: 35:[33, 2], Operations: ['65-3=62', '62/31=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 12, 13, 6, 52 ]
98
[ "12+13=25", "6*25=150", "150-52=98" ]
Current State: 98:[12, 13, 6, 52], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [6, 52, 25] Generated Node #2: [6, 52, 25] from Operation: 12+13=25 Current State: 98:[6, 52, 25], Operations: ['12+13=25'] Exploring Operation: 6*25=150, Resulting Numbers: [52, 150] Generated Node #3: [52, 150] from Operation: 6*25=150 Current State: 98:[52, 150], Operations: ['12+13=25', '6*25=150'] Exploring Operation: 150-52=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[12, 13, 6, 52], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [13, 52, 2] Generated Node #0,0: 98:[13, 52, 2] Operation: 12/6=2 Moving to Node #0,0 Current State: 98:[13, 52, 2], Operations: ['12/6=2'] Exploring Operation: 52/13=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 98:[2, 4] Operation: 52/13=4 Moving to Node #0,0,0 Current State: 98:[2, 4], Operations: ['12/6=2', '52/13=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,98 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 25, 34, 14 ]
89
[ "7*14=98", "34-25=9", "98-9=89" ]
Current State: 89:[7, 25, 34, 14], Operations: [] Exploring Operation: 7*14=98, Resulting Numbers: [25, 34, 98] Generated Node #2: [25, 34, 98] from Operation: 7*14=98 Current State: 89:[25, 34, 98], Operations: ['7*14=98'] Exploring Operation: 34-25=9, Resulting Numbers: [98, 9] Generated Node #3: [98, 9] from Operation: 34-25=9 Current State: 89:[98, 9], Operations: ['7*14=98', '34-25=9'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[7, 25, 34, 14], Operations: [] Exploring Operation: 7*14=98, Resulting Numbers: [25, 34, 98] Generated Node #0,0: 89:[25, 34, 98] Operation: 7*14=98 Moving to Node #0,0 Current State: 89:[25, 34, 98], Operations: ['7*14=98'] Exploring Operation: 25+34=59, Resulting Numbers: [98, 59] Generated Node #0,0,0: 89:[98, 59] Operation: 25+34=59 Moving to Node #0,0,0 Current State: 89:[98, 59], Operations: ['7*14=98', '25+34=59'] Exploring Operation: 98-59=39, Resulting Numbers: [39] 39,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 99, 29, 66, 72 ]
18
[ "99-29=70", "70-66=4", "72/4=18" ]
Current State: 18:[99, 29, 66, 72], Operations: [] Exploring Operation: 99-29=70, Resulting Numbers: [66, 72, 70] Generated Node #2: [66, 72, 70] from Operation: 99-29=70 Current State: 18:[66, 72, 70], Operations: ['99-29=70'] Exploring Operation: 70-66=4, Resulting Numbers: [72, 4] Generated Node #3: [72, 4] from Operation: 70-66=4 Current State: 18:[72, 4], Operations: ['99-29=70', '70-66=4'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[99, 29, 66, 72], Operations: [] Exploring Operation: 99-29=70, Resulting Numbers: [66, 72, 70] Generated Node #0,0: 18:[66, 72, 70] Operation: 99-29=70 Exploring Operation: 99-72=27, Resulting Numbers: [29, 66, 27] Generated Node #0,1: 18:[29, 66, 27] Operation: 99-72=27 Exploring Operation: 72-66=6, Resulting Numbers: [99, 29, 6] Generated Node #0,2: 18:[99, 29, 6] Operation: 72-66=6 Exploring Operation: 99-66=33, Resulting Numbers: [29, 72, 33] Generated Node #0,3: 18:[29, 72, 33] Operation: 99-66=33 Exploring Operation: 66-29=37, Resulting Numbers: [99, 72, 37] Generated Node #0,4: 18:[99, 72, 37] Operation: 66-29=37 Moving to Node #0,1 Current State: 18:[29, 66, 27], Operations: ['99-72=27'] Exploring Operation: 29+66=95, Resulting Numbers: [27, 95] Generated Node #0,1,0: 18:[27, 95] Operation: 29+66=95 Exploring Operation: 66-29=37, Resulting Numbers: [27, 37] Generated Node #0,1,1: 18:[27, 37] Operation: 66-29=37 Exploring Operation: 29+27=56, Resulting Numbers: [66, 56] Generated Node #0,1,2: 18:[66, 56] Operation: 29+27=56 Exploring Operation: 29-27=2, Resulting Numbers: [66, 2] Generated Node #0,1,3: 18:[66, 2] Operation: 29-27=2 Exploring Operation: 66-27=39, Resulting Numbers: [29, 39] Generated Node #0,1,4: 18:[29, 39] Operation: 66-27=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[27, 37], Operations: ['99-72=27', '66-29=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 18:[29, 39], Operations: ['99-72=27', '66-27=39'] Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,18 unequal: No Solution Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 18:[66, 2], Operations: ['99-72=27', '29-27=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,18 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[27, 95], Operations: ['99-72=27', '29+66=95'] Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 27*95=2565, Resulting Numbers: [2565] 2565,18 unequal: No Solution Exploring Operation: 27+95=122, Resulting Numbers: [122] 122,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[66, 56], Operations: ['99-72=27', '29+27=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,18 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 18:[29, 72, 33], Operations: ['99-66=33'] Exploring Operation: 33-29=4, Resulting Numbers: [72, 4] Generated Node #0,3,0: 18:[72, 4] Operation: 33-29=4 Exploring Operation: 29+72=101, Resulting Numbers: [33, 101] Generated Node #0,3,1: 18:[33, 101] Operation: 29+72=101 Exploring Operation: 72-33=39, Resulting Numbers: [29, 39] Generated Node #0,3,2: 18:[29, 39] Operation: 72-33=39 Exploring Operation: 29+33=62, Resulting Numbers: [72, 62] Generated Node #0,3,3: 18:[72, 62] Operation: 29+33=62 Exploring Operation: 72-29=43, Resulting Numbers: [33, 43] Generated Node #0,3,4: 18:[33, 43] Operation: 72-29=43 Moving to Node #0,2 Current State: 18:[99, 29, 6], Operations: ['72-66=6'] Exploring Operation: 29+6=35, Resulting Numbers: [99, 35] Generated Node #0,2,0: 18:[99, 35] Operation: 29+6=35 Exploring Operation: 99-29=70, Resulting Numbers: [6, 70] Generated Node #0,2,1: 18:[6, 70] Operation: 99-29=70 Exploring Operation: 99-6=93, Resulting Numbers: [29, 93] Generated Node #0,2,2: 18:[29, 93] Operation: 99-6=93 Exploring Operation: 29-6=23, Resulting Numbers: [99, 23] Generated Node #0,2,3: 18:[99, 23] Operation: 29-6=23 Exploring Operation: 99+6=105, Resulting Numbers: [29, 105] Generated Node #0,2,4: 18:[29, 105] Operation: 99+6=105 Moving to Node #0,0 Current State: 18:[66, 72, 70], Operations: ['99-29=70'] Exploring Operation: 66+72=138, Resulting Numbers: [70, 138] Generated Node #0,0,0: 18:[70, 138] Operation: 66+72=138 Exploring Operation: 70-66=4, Resulting Numbers: [72, 4] Generated Node #0,0,1: 18:[72, 4] Operation: 70-66=4 Exploring Operation: 72-66=6, Resulting Numbers: [70, 6] Generated Node #0,0,2: 18:[70, 6] Operation: 72-66=6 Exploring Operation: 72-70=2, Resulting Numbers: [66, 2] Generated Node #0,0,3: 18:[66, 2] Operation: 72-70=2 Exploring Operation: 66+70=136, Resulting Numbers: [72, 136] Generated Node #0,0,4: 18:[72, 136] Operation: 66+70=136 Moving to Node #0,4 Current State: 18:[99, 72, 37], Operations: ['66-29=37'] Exploring Operation: 99+37=136, Resulting Numbers: [72, 136] Generated Node #0,4,0: 18:[72, 136] Operation: 99+37=136 Exploring Operation: 99-37=62, Resulting Numbers: [72, 62] Generated Node #0,4,1: 18:[72, 62] Operation: 99-37=62 Exploring Operation: 99+72=171, Resulting Numbers: [37, 171] Generated Node #0,4,2: 18:[37, 171] Operation: 99+72=171 Exploring Operation: 99-72=27, Resulting Numbers: [37, 27] Generated Node #0,4,3: 18:[37, 27] Operation: 99-72=27 Exploring Operation: 72-37=35, Resulting Numbers: [99, 35] Generated Node #0,4,4: 18:[99, 35] Operation: 72-37=35 Moving to Node #0,4,3 Current State: 18:[37, 27], Operations: ['66-29=37', '99-72=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,18 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,18 unequal: No Solution Moving to Node #0,3,2 Current State: 18:[29, 39], Operations: ['99-66=33', '72-33=39'] Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,18 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,3,4 Current State: 18:[33, 43], Operations: ['99-66=33', '72-29=43'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[66, 2], Operations: ['99-29=70', '72-70=2'] Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,18 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,18 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[6, 70], Operations: ['72-66=6', '99-29=70'] Exploring Operation: 6*70=420, Resulting Numbers: [420] 420,18 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 6+70=76, Resulting Numbers: [76] 76,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[70, 6], Operations: ['99-29=70', '72-66=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[72, 4], Operations: ['99-29=70', '70-66=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[99, 29, 66, 72], Operations: [] Exploring Operation: 99-29=70, Resulting Numbers: [66, 72, 70] Generated Node #0,0: 18:[66, 72, 70] Operation: 99-29=70 Moving to Node #0,0 Current State: 18:[66, 72, 70], Operations: ['99-29=70'] Exploring Operation: 70-66=4, Resulting Numbers: [72, 4] Generated Node #0,0,1: 18:[72, 4] Operation: 70-66=4 Moving to Node #0,0,1 Current State: 18:[72, 4], Operations: ['99-29=70', '70-66=4'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.9375
hs_5
mult_heuristic
[ 88, 94, 96, 34 ]
68
[ "94-88=6", "96-34=62", "6+62=68" ]
Current State: 68:[88, 94, 96, 34], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [96, 34, 6] Generated Node #2: [96, 34, 6] from Operation: 94-88=6 Current State: 68:[96, 34, 6], Operations: ['94-88=6'] Exploring Operation: 96-34=62, Resulting Numbers: [6, 62] Generated Node #3: [6, 62] from Operation: 96-34=62 Current State: 68:[6, 62], Operations: ['94-88=6', '96-34=62'] Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[88, 94, 96, 34], Operations: [] Exploring Operation: 96-94=2, Resulting Numbers: [88, 34, 2] Generated Node #0,0: 68:[88, 34, 2] Operation: 96-94=2 Exploring Operation: 94-88=6, Resulting Numbers: [96, 34, 6] Generated Node #0,1: 68:[96, 34, 6] Operation: 94-88=6 Moving to Node #0,0 Current State: 68:[88, 34, 2], Operations: ['96-94=2'] Exploring Operation: 88/2=44, Resulting Numbers: [34, 44] Generated Node #0,0,0: 68:[34, 44] Operation: 88/2=44 Exploring Operation: 88-34=54, Resulting Numbers: [2, 54] Generated Node #0,0,1: 68:[2, 54] Operation: 88-34=54 Moving to Node #0,1 Current State: 68:[96, 34, 6], Operations: ['94-88=6'] Exploring Operation: 96-34=62, Resulting Numbers: [6, 62] Generated Node #0,1,0: 68:[6, 62] Operation: 96-34=62 Exploring Operation: 96/6=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 68:[34, 16] Operation: 96/6=16 Moving to Node #0,1,1 Current State: 68:[34, 16], Operations: ['94-88=6', '96/6=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[6, 62], Operations: ['94-88=6', '96-34=62'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[88, 94, 96, 34], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [96, 34, 6] Generated Node #0,1: 68:[96, 34, 6] Operation: 94-88=6 Moving to Node #0,1 Current State: 68:[96, 34, 6], Operations: ['94-88=6'] Exploring Operation: 96-34=62, Resulting Numbers: [6, 62] Generated Node #0,1,0: 68:[6, 62] Operation: 96-34=62 Moving to Node #0,1,0 Current State: 68:[6, 62], Operations: ['94-88=6', '96-34=62'] Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 64, 66, 99, 54 ]
28
[ "66*54=3564", "3564/99=36", "64-36=28" ]
Current State: 28:[64, 66, 99, 54], Operations: [] Exploring Operation: 66*54=3564, Resulting Numbers: [64, 99, 3564] Generated Node #2: [64, 99, 3564] from Operation: 66*54=3564 Current State: 28:[64, 99, 3564], Operations: ['66*54=3564'] Exploring Operation: 3564/99=36, Resulting Numbers: [64, 36] Generated Node #3: [64, 36] from Operation: 3564/99=36 Current State: 28:[64, 36], Operations: ['66*54=3564', '3564/99=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[64, 66, 99, 54], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [64, 54, 33] Generated Node #0,0: 28:[64, 54, 33] Operation: 99-66=33 Exploring Operation: 99-54=45, Resulting Numbers: [64, 66, 45] Generated Node #0,1: 28:[64, 66, 45] Operation: 99-54=45 Exploring Operation: 66-64=2, Resulting Numbers: [99, 54, 2] Generated Node #0,2: 28:[99, 54, 2] Operation: 66-64=2 Exploring Operation: 99-64=35, Resulting Numbers: [66, 54, 35] Generated Node #0,3: 28:[66, 54, 35] Operation: 99-64=35 Moving to Node #0,0 Current State: 28:[64, 54, 33], Operations: ['99-66=33'] Exploring Operation: 64+54=118, Resulting Numbers: [33, 118] Generated Node #0,0,0: 28:[33, 118] Operation: 64+54=118 Exploring Operation: 64-33=31, Resulting Numbers: [54, 31] Generated Node #0,0,1: 28:[54, 31] Operation: 64-33=31 Exploring Operation: 54-33=21, Resulting Numbers: [64, 21] Generated Node #0,0,2: 28:[64, 21] Operation: 54-33=21 Exploring Operation: 64-54=10, Resulting Numbers: [33, 10] Generated Node #0,0,3: 28:[33, 10] Operation: 64-54=10 Moving to Node #0,3 Current State: 28:[66, 54, 35], Operations: ['99-64=35'] Exploring Operation: 54-35=19, Resulting Numbers: [66, 19] Generated Node #0,3,0: 28:[66, 19] Operation: 54-35=19 Exploring Operation: 66-54=12, Resulting Numbers: [35, 12] Generated Node #0,3,1: 28:[35, 12] Operation: 66-54=12 Exploring Operation: 66-35=31, Resulting Numbers: [54, 31] Generated Node #0,3,2: 28:[54, 31] Operation: 66-35=31 Exploring Operation: 66+54=120, Resulting Numbers: [35, 120] Generated Node #0,3,3: 28:[35, 120] Operation: 66+54=120 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[35, 12], Operations: ['99-64=35', '66-54=12'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[54, 31], Operations: ['99-64=35', '66-35=31'] Exploring Operation: 54*31=1674, Resulting Numbers: [1674] 1674,28 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[66, 19], Operations: ['99-64=35', '54-35=19'] Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 66*19=1254, Resulting Numbers: [1254] 1254,28 unequal: No Solution Exploring Operation: 66+19=85, Resulting Numbers: [85] 85,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[35, 120], Operations: ['99-64=35', '66+54=120'] Exploring Operation: 35*120=4200, Resulting Numbers: [4200] 4200,28 unequal: No Solution Exploring Operation: 120-35=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 35+120=155, Resulting Numbers: [155] 155,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[64, 66, 45], Operations: ['99-54=45'] Exploring Operation: 66-64=2, Resulting Numbers: [45, 2] Generated Node #0,1,0: 28:[45, 2] Operation: 66-64=2 Exploring Operation: 64+66=130, Resulting Numbers: [45, 130] Generated Node #0,1,1: 28:[45, 130] Operation: 64+66=130 Exploring Operation: 66-45=21, Resulting Numbers: [64, 21] Generated Node #0,1,2: 28:[64, 21] Operation: 66-45=21 Exploring Operation: 64-45=19, Resulting Numbers: [66, 19] Generated Node #0,1,3: 28:[66, 19] Operation: 64-45=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[45, 2], Operations: ['99-54=45', '66-64=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[64, 21], Operations: ['99-54=45', '66-45=21'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 28:[66, 19], Operations: ['99-54=45', '64-45=19'] Exploring Operation: 66+19=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 66*19=1254, Resulting Numbers: [1254] 1254,28 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[45, 130], Operations: ['99-54=45', '64+66=130'] Exploring Operation: 130-45=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 45+130=175, Resulting Numbers: [175] 175,28 unequal: No Solution Exploring Operation: 45*130=5850, Resulting Numbers: [5850] 5850,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 28:[99, 54, 2], Operations: ['66-64=2'] Exploring Operation: 54/2=27, Resulting Numbers: [99, 27] Generated Node #0,2,0: 28:[99, 27] Operation: 54/2=27 Exploring Operation: 99-54=45, Resulting Numbers: [2, 45] Generated Node #0,2,1: 28:[2, 45] Operation: 99-54=45 Exploring Operation: 54-2=52, Resulting Numbers: [99, 52] Generated Node #0,2,2: 28:[99, 52] Operation: 54-2=52 Exploring Operation: 99-2=97, Resulting Numbers: [54, 97] Generated Node #0,2,3: 28:[54, 97] Operation: 99-2=97 Moving to Node #0,0,3 Current State: 28:[33, 10], Operations: ['99-66=33', '64-54=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[2, 45], Operations: ['66-64=2', '99-54=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[54, 31], Operations: ['99-66=33', '64-33=31'] Exploring Operation: 54*31=1674, Resulting Numbers: [1674] 1674,28 unequal: No Solution Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[64, 21], Operations: ['99-66=33', '54-33=21'] Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,28 unequal: No Solution Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[99, 27], Operations: ['66-64=2', '54/2=27'] Exploring Operation: 99-27=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 99*27=2673, Resulting Numbers: [2673] 2673,28 unequal: No Solution Exploring Operation: 99+27=126, Resulting Numbers: [126] 126,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[99, 52], Operations: ['66-64=2', '54-2=52'] Exploring Operation: 99*52=5148, Resulting Numbers: [5148] 5148,28 unequal: No Solution Exploring Operation: 99+52=151, Resulting Numbers: [151] 151,28 unequal: No Solution Exploring Operation: 99-52=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[54, 97], Operations: ['66-64=2', '99-2=97'] Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,28 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[33, 118], Operations: ['99-66=33', '64+54=118'] Exploring Operation: 33+118=151, Resulting Numbers: [151] 151,28 unequal: No Solution Exploring Operation: 33*118=3894, Resulting Numbers: [3894] 3894,28 unequal: No Solution Exploring Operation: 118-33=85, Resulting Numbers: [85] 85,28 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 10, 15, 21, 62 ]
48
[ "10*21=210", "210/15=14", "62-14=48" ]
Current State: 48:[10, 15, 21, 62], Operations: [] Exploring Operation: 10*21=210, Resulting Numbers: [15, 62, 210] Generated Node #2: [15, 62, 210] from Operation: 10*21=210 Current State: 48:[15, 62, 210], Operations: ['10*21=210'] Exploring Operation: 210/15=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 210/15=14 Current State: 48:[62, 14], Operations: ['10*21=210', '210/15=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[10, 15, 21, 62], Operations: [] Exploring Operation: 62-15=47, Resulting Numbers: [10, 21, 47] Generated Node #0,0: 48:[10, 21, 47] Operation: 62-15=47 Exploring Operation: 21-10=11, Resulting Numbers: [15, 62, 11] Generated Node #0,1: 48:[15, 62, 11] Operation: 21-10=11 Exploring Operation: 62-10=52, Resulting Numbers: [15, 21, 52] Generated Node #0,2: 48:[15, 21, 52] Operation: 62-10=52 Exploring Operation: 62-21=41, Resulting Numbers: [10, 15, 41] Generated Node #0,3: 48:[10, 15, 41] Operation: 62-21=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[10, 21, 47], Operations: ['62-15=47'] Exploring Operation: 10+21=31, Resulting Numbers: [47, 31] Generated Node #0,0,0: 48:[47, 31] Operation: 10+21=31 Exploring Operation: 21-10=11, Resulting Numbers: [47, 11] Generated Node #0,0,1: 48:[47, 11] Operation: 21-10=11 Exploring Operation: 10+47=57, Resulting Numbers: [21, 57] Generated Node #0,0,2: 48:[21, 57] Operation: 10+47=57 Exploring Operation: 47-21=26, Resulting Numbers: [10, 26] Generated Node #0,0,3: 48:[10, 26] Operation: 47-21=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[47, 11], Operations: ['62-15=47', '21-10=11'] Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,48 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 48:[10, 26], Operations: ['62-15=47', '47-21=26'] Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,48 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[47, 31], Operations: ['62-15=47', '10+21=31'] Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,48 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,48 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[21, 57], Operations: ['62-15=47', '10+47=57'] Exploring Operation: 21*57=1197, Resulting Numbers: [1197] 1197,48 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 21+57=78, Resulting Numbers: [78] 78,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[15, 21, 52], Operations: ['62-10=52'] Exploring Operation: 15+21=36, Resulting Numbers: [52, 36] Generated Node #0,2,0: 48:[52, 36] Operation: 15+21=36 Exploring Operation: 52-21=31, Resulting Numbers: [15, 31] Generated Node #0,2,1: 48:[15, 31] Operation: 52-21=31 Exploring Operation: 52-15=37, Resulting Numbers: [21, 37] Generated Node #0,2,2: 48:[21, 37] Operation: 52-15=37 Exploring Operation: 21-15=6, Resulting Numbers: [52, 6] Generated Node #0,2,3: 48:[52, 6] Operation: 21-15=6 Moving to Node #0,2,3 Current State: 48:[52, 6], Operations: ['62-10=52', '21-15=6'] Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,48 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,48 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[15, 31], Operations: ['62-10=52', '52-21=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[21, 37], Operations: ['62-10=52', '52-15=37'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,48 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[52, 36], Operations: ['62-10=52', '15+21=36'] Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[10, 15, 41], Operations: ['62-21=41'] Exploring Operation: 10+15=25, Resulting Numbers: [41, 25] Generated Node #0,3,0: 48:[41, 25] Operation: 10+15=25 Exploring Operation: 10+41=51, Resulting Numbers: [15, 51] Generated Node #0,3,1: 48:[15, 51] Operation: 10+41=51 Exploring Operation: 15-10=5, Resulting Numbers: [41, 5] Generated Node #0,3,2: 48:[41, 5] Operation: 15-10=5 Exploring Operation: 41-15=26, Resulting Numbers: [10, 26] Generated Node #0,3,3: 48:[10, 26] Operation: 41-15=26 Moving to Node #0,3,1 Current State: 48:[15, 51], Operations: ['62-21=41', '10+41=51'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,48 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[10, 26], Operations: ['62-21=41', '41-15=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[41, 5], Operations: ['62-21=41', '15-10=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[41, 25], Operations: ['62-21=41', '10+15=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,48 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[15, 62, 11], Operations: ['21-10=11'] Exploring Operation: 15-11=4, Resulting Numbers: [62, 4] Generated Node #0,1,0: 48:[62, 4] Operation: 15-11=4 Exploring Operation: 62-15=47, Resulting Numbers: [11, 47] Generated Node #0,1,1: 48:[11, 47] Operation: 62-15=47 Exploring Operation: 15+11=26, Resulting Numbers: [62, 26] Generated Node #0,1,2: 48:[62, 26] Operation: 15+11=26 Exploring Operation: 62-11=51, Resulting Numbers: [15, 51] Generated Node #0,1,3: 48:[15, 51] Operation: 62-11=51 Moving to Node #0,1,1 Current State: 48:[11, 47], Operations: ['21-10=11', '62-15=47'] Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,48 unequal: No Solution Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,48 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[15, 51], Operations: ['21-10=11', '62-11=51'] Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[62, 4], Operations: ['21-10=11', '15-11=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,48 unequal: No Solution Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[62, 26], Operations: ['21-10=11', '15+11=26'] Exploring Operation: 62*26=1612, Resulting Numbers: [1612] 1612,48 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 62+26=88, Resulting Numbers: [88] 88,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 84, 44, 50, 31 ]
56
[ "84*50=4200", "44+31=75", "4200/75=56" ]
Current State: 56:[84, 44, 50, 31], Operations: [] Exploring Operation: 84*50=4200, Resulting Numbers: [44, 31, 4200] Generated Node #2: [44, 31, 4200] from Operation: 84*50=4200 Current State: 56:[44, 31, 4200], Operations: ['84*50=4200'] Exploring Operation: 44+31=75, Resulting Numbers: [4200, 75] Generated Node #3: [4200, 75] from Operation: 44+31=75 Current State: 56:[4200, 75], Operations: ['84*50=4200', '44+31=75'] Exploring Operation: 4200/75=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[84, 44, 50, 31], Operations: [] Exploring Operation: 84-44=40, Resulting Numbers: [50, 31, 40] Generated Node #0,0: 56:[50, 31, 40] Operation: 84-44=40 Moving to Node #0,0 Current State: 56:[50, 31, 40], Operations: ['84-44=40'] Exploring Operation: 50-40=10, Resulting Numbers: [31, 10] Generated Node #0,0,0: 56:[31, 10] Operation: 50-40=10 Moving to Node #0,0,0 Current State: 56:[31, 10], Operations: ['84-44=40', '50-40=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,56 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 58, 3, 75, 95 ]
36
[ "95-58=37", "3*37=111", "111-75=36" ]
Current State: 36:[58, 3, 75, 95], Operations: [] Exploring Operation: 95-58=37, Resulting Numbers: [3, 75, 37] Generated Node #2: [3, 75, 37] from Operation: 95-58=37 Current State: 36:[3, 75, 37], Operations: ['95-58=37'] Exploring Operation: 3*37=111, Resulting Numbers: [75, 111] Generated Node #3: [75, 111] from Operation: 3*37=111 Current State: 36:[75, 111], Operations: ['95-58=37', '3*37=111'] Exploring Operation: 111-75=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[58, 3, 75, 95], Operations: [] Exploring Operation: 95-75=20, Resulting Numbers: [58, 3, 20] Generated Node #0,0: 36:[58, 3, 20] Operation: 95-75=20 Moving to Node #0,0 Current State: 36:[58, 3, 20], Operations: ['95-75=20'] Exploring Operation: 58-20=38, Resulting Numbers: [3, 38] Generated Node #0,0,0: 36:[3, 38] Operation: 58-20=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[3, 38], Operations: ['95-75=20', '58-20=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 15, 62, 45, 78 ]
45
[ "15+62=77", "78-77=1", "45*1=45" ]
Current State: 45:[15, 62, 45, 78], Operations: [] Exploring Operation: 15+62=77, Resulting Numbers: [45, 78, 77] Generated Node #2: [45, 78, 77] from Operation: 15+62=77 Current State: 45:[45, 78, 77], Operations: ['15+62=77'] Exploring Operation: 78-77=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 78-77=1 Current State: 45:[45, 1], Operations: ['15+62=77', '78-77=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[15, 62, 45, 78], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [15, 62, 33] Generated Node #0,0: 45:[15, 62, 33] Operation: 78-45=33 Exploring Operation: 62-15=47, Resulting Numbers: [45, 78, 47] Generated Node #0,1: 45:[45, 78, 47] Operation: 62-15=47 Exploring Operation: 78-15=63, Resulting Numbers: [62, 45, 63] Generated Node #0,2: 45:[62, 45, 63] Operation: 78-15=63 Exploring Operation: 62-45=17, Resulting Numbers: [15, 78, 17] Generated Node #0,3: 45:[15, 78, 17] Operation: 62-45=17 Exploring Operation: 78-62=16, Resulting Numbers: [15, 45, 16] Generated Node #0,4: 45:[15, 45, 16] Operation: 78-62=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 45:[15, 45, 16], Operations: ['78-62=16'] Exploring Operation: 15+45=60, Resulting Numbers: [16, 60] Generated Node #0,4,0: 45:[16, 60] Operation: 15+45=60 Exploring Operation: 16-15=1, Resulting Numbers: [45, 1] Generated Node #0,4,1: 45:[45, 1] Operation: 16-15=1 Exploring Operation: 45-16=29, Resulting Numbers: [15, 29] Generated Node #0,4,2: 45:[15, 29] Operation: 45-16=29 Exploring Operation: 45/15=3, Resulting Numbers: [16, 3] Generated Node #0,4,3: 45:[16, 3] Operation: 45/15=3 Exploring Operation: 15+16=31, Resulting Numbers: [45, 31] Generated Node #0,4,4: 45:[45, 31] Operation: 15+16=31 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 45:[16, 3], Operations: ['78-62=16', '45/15=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,45 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 45:[45, 1], Operations: ['78-62=16', '16-15=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[15, 62, 45, 78], Operations: [] Exploring Operation: 78-62=16, Resulting Numbers: [15, 45, 16] Generated Node #0,4: 45:[15, 45, 16] Operation: 78-62=16 Moving to Node #0,4 Current State: 45:[15, 45, 16], Operations: ['78-62=16'] Exploring Operation: 16-15=1, Resulting Numbers: [45, 1] Generated Node #0,4,1: 45:[45, 1] Operation: 16-15=1 Moving to Node #0,4,1 Current State: 45:[45, 1], Operations: ['78-62=16', '16-15=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 70, 6, 22, 43 ]
30
[ "70-22=48", "48-43=5", "6*5=30" ]
Current State: 30:[70, 6, 22, 43], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [6, 43, 48] Generated Node #2: [6, 43, 48] from Operation: 70-22=48 Current State: 30:[6, 43, 48], Operations: ['70-22=48'] Exploring Operation: 48-43=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 48-43=5 Current State: 30:[6, 5], Operations: ['70-22=48', '48-43=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[70, 6, 22, 43], Operations: [] Exploring Operation: 70-6=64, Resulting Numbers: [22, 43, 64] Generated Node #0,0: 30:[22, 43, 64] Operation: 70-6=64 Exploring Operation: 22-6=16, Resulting Numbers: [70, 43, 16] Generated Node #0,1: 30:[70, 43, 16] Operation: 22-6=16 Exploring Operation: 70-43=27, Resulting Numbers: [6, 22, 27] Generated Node #0,2: 30:[6, 22, 27] Operation: 70-43=27 Exploring Operation: 43-22=21, Resulting Numbers: [70, 6, 21] Generated Node #0,3: 30:[70, 6, 21] Operation: 43-22=21 Exploring Operation: 70-22=48, Resulting Numbers: [6, 43, 48] Generated Node #0,4: 30:[6, 43, 48] Operation: 70-22=48 Moving to Node #0,2 Current State: 30:[6, 22, 27], Operations: ['70-43=27'] Exploring Operation: 6+22=28, Resulting Numbers: [27, 28] Generated Node #0,2,0: 30:[27, 28] Operation: 6+22=28 Exploring Operation: 6+27=33, Resulting Numbers: [22, 33] Generated Node #0,2,1: 30:[22, 33] Operation: 6+27=33 Exploring Operation: 27-6=21, Resulting Numbers: [22, 21] Generated Node #0,2,2: 30:[22, 21] Operation: 27-6=21 Exploring Operation: 22-6=16, Resulting Numbers: [27, 16] Generated Node #0,2,3: 30:[27, 16] Operation: 22-6=16 Exploring Operation: 27-22=5, Resulting Numbers: [6, 5] Generated Node #0,2,4: 30:[6, 5] Operation: 27-22=5 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 30:[6, 5], Operations: ['70-43=27', '27-22=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[70, 6, 22, 43], Operations: [] Exploring Operation: 70-43=27, Resulting Numbers: [6, 22, 27] Generated Node #0,2: 30:[6, 22, 27] Operation: 70-43=27 Moving to Node #0,2 Current State: 30:[6, 22, 27], Operations: ['70-43=27'] Exploring Operation: 27-22=5, Resulting Numbers: [6, 5] Generated Node #0,2,4: 30:[6, 5] Operation: 27-22=5 Moving to Node #0,2,4 Current State: 30:[6, 5], Operations: ['70-43=27', '27-22=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 4, 79, 4, 79 ]
79
[ "4-4=0", "79*0=0", "79+0=79" ]
Current State: 79:[4, 79, 4, 79], Operations: [] Exploring Operation: 4-4=0, Resulting Numbers: [79, 79, 0] Generated Node #2: [79, 79, 0] from Operation: 4-4=0 Current State: 79:[79, 79, 0], Operations: ['4-4=0'] Exploring Operation: 79*0=0, Resulting Numbers: [0] 0,79 equal: Goal Reached Exploring Operation: 79+0=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[4, 79, 4, 79], Operations: [] Exploring Operation: 4+4=8, Resulting Numbers: [79, 79, 8] Generated Node #0,0: 79:[79, 79, 8] Operation: 4+4=8 Exploring Operation: 4*4=16, Resulting Numbers: [79, 79, 16] Generated Node #0,1: 79:[79, 79, 16] Operation: 4*4=16 Exploring Operation: 79-4=75, Resulting Numbers: [4, 79, 75] Generated Node #0,2: 79:[4, 79, 75] Operation: 79-4=75 Exploring Operation: 4/4=1, Resulting Numbers: [79, 79, 1] Generated Node #0,3: 79:[79, 79, 1] Operation: 4/4=1 Exploring Operation: 4+79=83, Resulting Numbers: [4, 79, 83] Generated Node #0,4: 79:[4, 79, 83] Operation: 4+79=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[79, 79, 16], Operations: ['4*4=16'] Exploring Operation: 79/79=1, Resulting Numbers: [16, 1] Generated Node #0,1,0: 79:[16, 1] Operation: 79/79=1 Exploring Operation: 79-16=63, Resulting Numbers: [79, 63] Generated Node #0,1,1: 79:[79, 63] Operation: 79-16=63 Exploring Operation: 79+16=95, Resulting Numbers: [79, 95] Generated Node #0,1,2: 79:[79, 95] Operation: 79+16=95 Exploring Operation: 79+16=95, Resulting Numbers: [79, 95] Generated Node #0,1,3: 79:[79, 95] Operation: 79+16=95 Exploring Operation: 79-16=63, Resulting Numbers: [79, 63] Generated Node #0,1,4: 79:[79, 63] Operation: 79-16=63 Moving to Node #0,1,1 Current State: 79:[79, 63], Operations: ['4*4=16', '79-16=63'] Exploring Operation: 79+63=142, Resulting Numbers: [142] 142,79 unequal: No Solution Exploring Operation: 79*63=4977, Resulting Numbers: [4977] 4977,79 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[79, 95], Operations: ['4*4=16', '79+16=95'] Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 79*95=7505, Resulting Numbers: [7505] 7505,79 unequal: No Solution Exploring Operation: 79+95=174, Resulting Numbers: [174] 174,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[79, 95], Operations: ['4*4=16', '79+16=95'] Exploring Operation: 79*95=7505, Resulting Numbers: [7505] 7505,79 unequal: No Solution Exploring Operation: 79+95=174, Resulting Numbers: [174] 174,79 unequal: No Solution Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[79, 63], Operations: ['4*4=16', '79-16=63'] Exploring Operation: 79+63=142, Resulting Numbers: [142] 142,79 unequal: No Solution Exploring Operation: 79*63=4977, Resulting Numbers: [4977] 4977,79 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[16, 1], Operations: ['4*4=16', '79/79=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[79, 79, 8], Operations: ['4+4=8'] Exploring Operation: 79-8=71, Resulting Numbers: [79, 71] Generated Node #0,0,0: 79:[79, 71] Operation: 79-8=71 Exploring Operation: 79-8=71, Resulting Numbers: [79, 71] Generated Node #0,0,1: 79:[79, 71] Operation: 79-8=71 Exploring Operation: 79+8=87, Resulting Numbers: [79, 87] Generated Node #0,0,2: 79:[79, 87] Operation: 79+8=87 Exploring Operation: 79/79=1, Resulting Numbers: [8, 1] Generated Node #0,0,3: 79:[8, 1] Operation: 79/79=1 Exploring Operation: 79+8=87, Resulting Numbers: [79, 87] Generated Node #0,0,4: 79:[79, 87] Operation: 79+8=87 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[79, 71], Operations: ['4+4=8', '79-8=71'] Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,79 unequal: No Solution Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[79, 71], Operations: ['4+4=8', '79-8=71'] Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[79, 87], Operations: ['4+4=8', '79+8=87'] Exploring Operation: 79*87=6873, Resulting Numbers: [6873] 6873,79 unequal: No Solution Exploring Operation: 87-79=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79+87=166, Resulting Numbers: [166] 166,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 79:[79, 87], Operations: ['4+4=8', '79+8=87'] Exploring Operation: 87-79=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79+87=166, Resulting Numbers: [166] 166,79 unequal: No Solution Exploring Operation: 79*87=6873, Resulting Numbers: [6873] 6873,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[8, 1], Operations: ['4+4=8', '79/79=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[79, 79, 1], Operations: ['4/4=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79, 79] Generated Node #0,3,0: 79:[79, 79] Operation: 79*1=79 Exploring Operation: 79+1=80, Resulting Numbers: [79, 80] Generated Node #0,3,1: 79:[79, 80] Operation: 79+1=80 Exploring Operation: 79*1=79, Resulting Numbers: [79, 79] Generated Node #0,3,2: 79:[79, 79] Operation: 79*1=79 Exploring Operation: 79/1=79, Resulting Numbers: [79, 79] Generated Node #0,3,3: 79:[79, 79] Operation: 79/1=79 Exploring Operation: 79/1=79, Resulting Numbers: [79, 79] Generated Node #0,3,4: 79:[79, 79] Operation: 79/1=79 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 79:[79, 79], Operations: ['4/4=1', '79*1=79'] Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 79:[79, 79], Operations: ['4/4=1', '79*1=79'] Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 79:[79, 79], Operations: ['4/4=1', '79/1=79'] Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 79:[79, 79], Operations: ['4/4=1', '79/1=79'] Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 79:[79, 80], Operations: ['4/4=1', '79+1=80'] Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79+80=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 79*80=6320, Resulting Numbers: [6320] 6320,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[4, 79, 75], Operations: ['79-4=75'] Exploring Operation: 75-4=71, Resulting Numbers: [79, 71] Generated Node #0,2,0: 79:[79, 71] Operation: 75-4=71 Exploring Operation: 4+75=79, Resulting Numbers: [79, 79] Generated Node #0,2,1: 79:[79, 79] Operation: 4+75=79 Exploring Operation: 79-4=75, Resulting Numbers: [75, 75] Generated Node #0,2,2: 79:[75, 75] Operation: 79-4=75 Exploring Operation: 4+79=83, Resulting Numbers: [75, 83] Generated Node #0,2,3: 79:[75, 83] Operation: 4+79=83 Exploring Operation: 79+75=154, Resulting Numbers: [4, 154] Generated Node #0,2,4: 79:[4, 154] Operation: 79+75=154 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[79, 79], Operations: ['79-4=75', '4+75=79'] Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[79, 71], Operations: ['79-4=75', '75-4=71'] Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[75, 75], Operations: ['79-4=75', '79-4=75'] Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 75*75=5625, Resulting Numbers: [5625] 5625,79 unequal: No Solution Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[75, 83], Operations: ['79-4=75', '4+79=83'] Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,79 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 79:[4, 154], Operations: ['79-4=75', '79+75=154'] Exploring Operation: 4+154=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 154-4=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 4*154=616, Resulting Numbers: [616] 616,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[4, 79, 83], Operations: ['4+79=83'] Exploring Operation: 83-4=79, Resulting Numbers: [79, 79] Generated Node #0,4,0: 79:[79, 79] Operation: 83-4=79 Exploring Operation: 4+79=83, Resulting Numbers: [83, 83] Generated Node #0,4,1: 79:[83, 83] Operation: 4+79=83 Exploring Operation: 83-79=4, Resulting Numbers: [4, 4] Generated Node #0,4,2: 79:[4, 4] Operation: 83-79=4 Exploring Operation: 79-4=75, Resulting Numbers: [83, 75] Generated Node #0,4,3: 79:[83, 75] Operation: 79-4=75 Exploring Operation: 4+83=87, Resulting Numbers: [79, 87] Generated Node #0,4,4: 79:[79, 87] Operation: 4+83=87 Moving to Node #0,4,0 Current State: 79:[79, 79], Operations: ['4+79=83', '83-4=79'] Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[83, 75], Operations: ['4+79=83', '79-4=75'] Exploring Operation: 83+75=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 83*75=6225, Resulting Numbers: [6225] 6225,79 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[83, 83], Operations: ['4+79=83', '4+79=83'] Exploring Operation: 83/83=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 83+83=166, Resulting Numbers: [166] 166,79 unequal: No Solution Exploring Operation: 83-83=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 83*83=6889, Resulting Numbers: [6889] 6889,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[79, 87], Operations: ['4+79=83', '4+83=87'] Exploring Operation: 87-79=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 79+87=166, Resulting Numbers: [166] 166,79 unequal: No Solution Exploring Operation: 79*87=6873, Resulting Numbers: [6873] 6873,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[4, 4], Operations: ['4+79=83', '83-79=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 72, 77, 21, 7 ]
68
[ "77+7=84", "84/21=4", "72-4=68" ]
Current State: 68:[72, 77, 21, 7], Operations: [] Exploring Operation: 77+7=84, Resulting Numbers: [72, 21, 84] Generated Node #2: [72, 21, 84] from Operation: 77+7=84 Current State: 68:[72, 21, 84], Operations: ['77+7=84'] Exploring Operation: 84/21=4, Resulting Numbers: [72, 4] Generated Node #3: [72, 4] from Operation: 84/21=4 Current State: 68:[72, 4], Operations: ['77+7=84', '84/21=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[72, 77, 21, 7], Operations: [] Exploring Operation: 77-7=70, Resulting Numbers: [72, 21, 70] Generated Node #0,0: 68:[72, 21, 70] Operation: 77-7=70 Exploring Operation: 21/7=3, Resulting Numbers: [72, 77, 3] Generated Node #0,1: 68:[72, 77, 3] Operation: 21/7=3 Exploring Operation: 77/7=11, Resulting Numbers: [72, 21, 11] Generated Node #0,2: 68:[72, 21, 11] Operation: 77/7=11 Exploring Operation: 77-72=5, Resulting Numbers: [21, 7, 5] Generated Node #0,3: 68:[21, 7, 5] Operation: 77-72=5 Exploring Operation: 72-7=65, Resulting Numbers: [77, 21, 65] Generated Node #0,4: 68:[77, 21, 65] Operation: 72-7=65 Moving to Node #0,3 Current State: 68:[21, 7, 5], Operations: ['77-72=5'] Exploring Operation: 21-5=16, Resulting Numbers: [7, 16] Generated Node #0,3,0: 68:[7, 16] Operation: 21-5=16 Exploring Operation: 21-7=14, Resulting Numbers: [5, 14] Generated Node #0,3,1: 68:[5, 14] Operation: 21-7=14 Exploring Operation: 7*5=35, Resulting Numbers: [21, 35] Generated Node #0,3,2: 68:[21, 35] Operation: 7*5=35 Exploring Operation: 7-5=2, Resulting Numbers: [21, 2] Generated Node #0,3,3: 68:[21, 2] Operation: 7-5=2 Exploring Operation: 21/7=3, Resulting Numbers: [5, 3] Generated Node #0,3,4: 68:[5, 3] Operation: 21/7=3 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 68:[5, 3], Operations: ['77-72=5', '21/7=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[7, 16], Operations: ['77-72=5', '21-5=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 68:[5, 14], Operations: ['77-72=5', '21-7=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[21, 2], Operations: ['77-72=5', '7-5=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[21, 35], Operations: ['77-72=5', '7*5=35'] Exploring Operation: 21*35=735, Resulting Numbers: [735] 735,68 unequal: No Solution Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 68:[72, 21, 70], Operations: ['77-7=70'] Exploring Operation: 70-21=49, Resulting Numbers: [72, 49] Generated Node #0,0,0: 68:[72, 49] Operation: 70-21=49 Exploring Operation: 72+21=93, Resulting Numbers: [70, 93] Generated Node #0,0,1: 68:[70, 93] Operation: 72+21=93 Exploring Operation: 21+70=91, Resulting Numbers: [72, 91] Generated Node #0,0,2: 68:[72, 91] Operation: 21+70=91 Exploring Operation: 72-70=2, Resulting Numbers: [21, 2] Generated Node #0,0,3: 68:[21, 2] Operation: 72-70=2 Exploring Operation: 72-21=51, Resulting Numbers: [70, 51] Generated Node #0,0,4: 68:[70, 51] Operation: 72-21=51 Moving to Node #0,1 Current State: 68:[72, 77, 3], Operations: ['21/7=3'] Exploring Operation: 72-3=69, Resulting Numbers: [77, 69] Generated Node #0,1,0: 68:[77, 69] Operation: 72-3=69 Exploring Operation: 72/3=24, Resulting Numbers: [77, 24] Generated Node #0,1,1: 68:[77, 24] Operation: 72/3=24 Exploring Operation: 77-3=74, Resulting Numbers: [72, 74] Generated Node #0,1,2: 68:[72, 74] Operation: 77-3=74 Exploring Operation: 72+3=75, Resulting Numbers: [77, 75] Generated Node #0,1,3: 68:[77, 75] Operation: 72+3=75 Exploring Operation: 77-72=5, Resulting Numbers: [3, 5] Generated Node #0,1,4: 68:[3, 5] Operation: 77-72=5 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 68:[3, 5], Operations: ['21/7=3', '77-72=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[77, 69], Operations: ['21/7=3', '72-3=69'] Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,68 unequal: No Solution Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,68 unequal: No Solution Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[72, 74], Operations: ['21/7=3', '77-3=74'] Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 72+74=146, Resulting Numbers: [146] 146,68 unequal: No Solution Exploring Operation: 72*74=5328, Resulting Numbers: [5328] 5328,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[77, 24], Operations: ['21/7=3', '72/3=24'] Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 77*24=1848, Resulting Numbers: [1848] 1848,68 unequal: No Solution Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[77, 75], Operations: ['21/7=3', '72+3=75'] Exploring Operation: 77+75=152, Resulting Numbers: [152] 152,68 unequal: No Solution Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 77*75=5775, Resulting Numbers: [5775] 5775,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 68:[72, 21, 11], Operations: ['77/7=11'] Exploring Operation: 72+11=83, Resulting Numbers: [21, 83] Generated Node #0,2,0: 68:[21, 83] Operation: 72+11=83 Exploring Operation: 21-11=10, Resulting Numbers: [72, 10] Generated Node #0,2,1: 68:[72, 10] Operation: 21-11=10 Exploring Operation: 21+11=32, Resulting Numbers: [72, 32] Generated Node #0,2,2: 68:[72, 32] Operation: 21+11=32 Exploring Operation: 72-21=51, Resulting Numbers: [11, 51] Generated Node #0,2,3: 68:[11, 51] Operation: 72-21=51 Exploring Operation: 72-11=61, Resulting Numbers: [21, 61] Generated Node #0,2,4: 68:[21, 61] Operation: 72-11=61 Moving to Node #0,4 Current State: 68:[77, 21, 65], Operations: ['72-7=65'] Exploring Operation: 77-21=56, Resulting Numbers: [65, 56] Generated Node #0,4,0: 68:[65, 56] Operation: 77-21=56 Exploring Operation: 65-21=44, Resulting Numbers: [77, 44] Generated Node #0,4,1: 68:[77, 44] Operation: 65-21=44 Exploring Operation: 21+65=86, Resulting Numbers: [77, 86] Generated Node #0,4,2: 68:[77, 86] Operation: 21+65=86 Exploring Operation: 77-65=12, Resulting Numbers: [21, 12] Generated Node #0,4,3: 68:[21, 12] Operation: 77-65=12 Exploring Operation: 77+21=98, Resulting Numbers: [65, 98] Generated Node #0,4,4: 68:[65, 98] Operation: 77+21=98 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 68:[21, 12], Operations: ['72-7=65', '77-65=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,68 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 68:[65, 56], Operations: ['72-7=65', '77-21=56'] Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 65+56=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 65*56=3640, Resulting Numbers: [3640] 3640,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 68:[77, 44], Operations: ['72-7=65', '65-21=44'] Exploring Operation: 77*44=3388, Resulting Numbers: [3388] 3388,68 unequal: No Solution Exploring Operation: 77+44=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 77-44=33, Resulting Numbers: [33] 33,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 68:[77, 86], Operations: ['72-7=65', '21+65=86'] Exploring Operation: 77*86=6622, Resulting Numbers: [6622] 6622,68 unequal: No Solution Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 77+86=163, Resulting Numbers: [163] 163,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 68:[65, 98], Operations: ['72-7=65', '77+21=98'] Exploring Operation: 65+98=163, Resulting Numbers: [163] 163,68 unequal: No Solution Exploring Operation: 65*98=6370, Resulting Numbers: [6370] 6370,68 unequal: No Solution Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 68:[21, 2], Operations: ['77-7=70', '72-70=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[72, 32], Operations: ['77/7=11', '21+11=32'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,68 unequal: No Solution Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[72, 10], Operations: ['77/7=11', '21-11=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,68 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[21, 61], Operations: ['77/7=11', '72-11=61'] Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,68 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,68 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,68 unequal: No Solution Moving to Node #0,0,4 Current State: 68:[70, 51], Operations: ['77-7=70', '72-21=51'] Exploring Operation: 70+51=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 70*51=3570, Resulting Numbers: [3570] 3570,68 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[21, 83], Operations: ['77/7=11', '72+11=83'] Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,68 unequal: No Solution Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[72, 49], Operations: ['77-7=70', '70-21=49'] Exploring Operation: 72-49=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 72+49=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 72*49=3528, Resulting Numbers: [3528] 3528,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[11, 51], Operations: ['77/7=11', '72-21=51'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,68 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[70, 93], Operations: ['77-7=70', '72+21=93'] Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 70*93=6510, Resulting Numbers: [6510] 6510,68 unequal: No Solution Exploring Operation: 70+93=163, Resulting Numbers: [163] 163,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[72, 91], Operations: ['77-7=70', '21+70=91'] Exploring Operation: 72*91=6552, Resulting Numbers: [6552] 6552,68 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 72+91=163, Resulting Numbers: [163] 163,68 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 21, 47, 90, 89 ]
69
[ "21+47=68", "90-89=1", "68+1=69" ]
Current State: 69:[21, 47, 90, 89], Operations: [] Exploring Operation: 21+47=68, Resulting Numbers: [90, 89, 68] Generated Node #2: [90, 89, 68] from Operation: 21+47=68 Current State: 69:[90, 89, 68], Operations: ['21+47=68'] Exploring Operation: 90-89=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 90-89=1 Current State: 69:[68, 1], Operations: ['21+47=68', '90-89=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[21, 47, 90, 89], Operations: [] Exploring Operation: 21+47=68, Resulting Numbers: [90, 89, 68] Generated Node #0,0: 69:[90, 89, 68] Operation: 21+47=68 Exploring Operation: 90-21=69, Resulting Numbers: [47, 89, 69] Generated Node #0,1: 69:[47, 89, 69] Operation: 90-21=69 Exploring Operation: 90-89=1, Resulting Numbers: [21, 47, 1] Generated Node #0,2: 69:[21, 47, 1] Operation: 90-89=1 Moving to Node #0,2 Current State: 69:[21, 47, 1], Operations: ['90-89=1'] Exploring Operation: 47-21=26, Resulting Numbers: [1, 26] Generated Node #0,2,0: 69:[1, 26] Operation: 47-21=26 Exploring Operation: 21+1=22, Resulting Numbers: [47, 22] Generated Node #0,2,1: 69:[47, 22] Operation: 21+1=22 Exploring Operation: 21+47=68, Resulting Numbers: [1, 68] Generated Node #0,2,2: 69:[1, 68] Operation: 21+47=68 Moving to Node #0,0 Current State: 69:[90, 89, 68], Operations: ['21+47=68'] Exploring Operation: 90-89=1, Resulting Numbers: [68, 1] Generated Node #0,0,0: 69:[68, 1] Operation: 90-89=1 Exploring Operation: 89-68=21, Resulting Numbers: [90, 21] Generated Node #0,0,1: 69:[90, 21] Operation: 89-68=21 Exploring Operation: 90-68=22, Resulting Numbers: [89, 22] Generated Node #0,0,2: 69:[89, 22] Operation: 90-68=22 Moving to Node #0,1 Current State: 69:[47, 89, 69], Operations: ['90-21=69'] Exploring Operation: 89-69=20, Resulting Numbers: [47, 20] Generated Node #0,1,0: 69:[47, 20] Operation: 89-69=20 Exploring Operation: 89-47=42, Resulting Numbers: [69, 42] Generated Node #0,1,1: 69:[69, 42] Operation: 89-47=42 Exploring Operation: 69-47=22, Resulting Numbers: [89, 22] Generated Node #0,1,2: 69:[89, 22] Operation: 69-47=22 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[69, 42], Operations: ['90-21=69', '89-47=42'] Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 69+42=111, Resulting Numbers: [111] 111,69 unequal: No Solution Exploring Operation: 69*42=2898, Resulting Numbers: [2898] 2898,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[89, 22], Operations: ['90-21=69', '69-47=22'] Exploring Operation: 89*22=1958, Resulting Numbers: [1958] 1958,69 unequal: No Solution Exploring Operation: 89+22=111, Resulting Numbers: [111] 111,69 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[47, 20], Operations: ['90-21=69', '89-69=20'] Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 69:[1, 68], Operations: ['90-89=1', '21+47=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[21, 47, 90, 89], Operations: [] Exploring Operation: 90-89=1, Resulting Numbers: [21, 47, 1] Generated Node #0,2: 69:[21, 47, 1] Operation: 90-89=1 Moving to Node #0,2 Current State: 69:[21, 47, 1], Operations: ['90-89=1'] Exploring Operation: 21+47=68, Resulting Numbers: [1, 68] Generated Node #0,2,2: 69:[1, 68] Operation: 21+47=68 Moving to Node #0,2,2 Current State: 69:[1, 68], Operations: ['90-89=1', '21+47=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 29, 27, 3, 41 ]
12
[ "29+27=56", "3+41=44", "56-44=12" ]
Current State: 12:[29, 27, 3, 41], Operations: [] Exploring Operation: 29+27=56, Resulting Numbers: [3, 41, 56] Generated Node #2: [3, 41, 56] from Operation: 29+27=56 Current State: 12:[3, 41, 56], Operations: ['29+27=56'] Exploring Operation: 3+41=44, Resulting Numbers: [56, 44] Generated Node #3: [56, 44] from Operation: 3+41=44 Current State: 12:[56, 44], Operations: ['29+27=56', '3+41=44'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[29, 27, 3, 41], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [3, 41, 2] Generated Node #0,0: 12:[3, 41, 2] Operation: 29-27=2 Exploring Operation: 41-27=14, Resulting Numbers: [29, 3, 14] Generated Node #0,1: 12:[29, 3, 14] Operation: 41-27=14 Exploring Operation: 41-29=12, Resulting Numbers: [27, 3, 12] Generated Node #0,2: 12:[27, 3, 12] Operation: 41-29=12 Moving to Node #0,2 Current State: 12:[27, 3, 12], Operations: ['41-29=12'] Exploring Operation: 27/3=9, Resulting Numbers: [12, 9] Generated Node #0,2,0: 12:[12, 9] Operation: 27/3=9 Exploring Operation: 27-3=24, Resulting Numbers: [12, 24] Generated Node #0,2,1: 12:[12, 24] Operation: 27-3=24 Exploring Operation: 27-12=15, Resulting Numbers: [3, 15] Generated Node #0,2,2: 12:[3, 15] Operation: 27-12=15 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[12, 9], Operations: ['41-29=12', '27/3=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[3, 15], Operations: ['41-29=12', '27-12=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,12 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[29, 27, 3, 41], Operations: [] Exploring Operation: 41-29=12, Resulting Numbers: [27, 3, 12] Generated Node #0,2: 12:[27, 3, 12] Operation: 41-29=12 Moving to Node #0,2 Current State: 12:[27, 3, 12], Operations: ['41-29=12'] Exploring Operation: 27-12=15, Resulting Numbers: [3, 15] Generated Node #0,2,2: 12:[3, 15] Operation: 27-12=15 Moving to Node #0,2,2 Current State: 12:[3, 15], Operations: ['41-29=12', '27-12=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 40, 89, 46, 26 ]
57
[ "40+89=129", "46+26=72", "129-72=57" ]
Current State: 57:[40, 89, 46, 26], Operations: [] Exploring Operation: 40+89=129, Resulting Numbers: [46, 26, 129] Generated Node #2: [46, 26, 129] from Operation: 40+89=129 Current State: 57:[46, 26, 129], Operations: ['40+89=129'] Exploring Operation: 46+26=72, Resulting Numbers: [129, 72] Generated Node #3: [129, 72] from Operation: 46+26=72 Current State: 57:[129, 72], Operations: ['40+89=129', '46+26=72'] Exploring Operation: 129-72=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[40, 89, 46, 26], Operations: [] Exploring Operation: 89-40=49, Resulting Numbers: [46, 26, 49] Generated Node #0,0: 57:[46, 26, 49] Operation: 89-40=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[46, 26, 49], Operations: ['89-40=49'] Exploring Operation: 49-46=3, Resulting Numbers: [26, 3] Generated Node #0,0,0: 57:[26, 3] Operation: 49-46=3 Moving to Node #0,0,0 Current State: 57:[26, 3], Operations: ['89-40=49', '49-46=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 37, 33, 7, 22 ]
55
[ "37+33=70", "22-7=15", "70-15=55" ]
Current State: 55:[37, 33, 7, 22], Operations: [] Exploring Operation: 37+33=70, Resulting Numbers: [7, 22, 70] Generated Node #2: [7, 22, 70] from Operation: 37+33=70 Current State: 55:[7, 22, 70], Operations: ['37+33=70'] Exploring Operation: 22-7=15, Resulting Numbers: [70, 15] Generated Node #3: [70, 15] from Operation: 22-7=15 Current State: 55:[70, 15], Operations: ['37+33=70', '22-7=15'] Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[37, 33, 7, 22], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [7, 22, 4] Generated Node #0,0: 55:[7, 22, 4] Operation: 37-33=4 Exploring Operation: 37+22=59, Resulting Numbers: [33, 7, 59] Generated Node #0,1: 55:[33, 7, 59] Operation: 37+22=59 Exploring Operation: 33-22=11, Resulting Numbers: [37, 7, 11] Generated Node #0,2: 55:[37, 7, 11] Operation: 33-22=11 Exploring Operation: 33+22=55, Resulting Numbers: [37, 7, 55] Generated Node #0,3: 55:[37, 7, 55] Operation: 33+22=55 Exploring Operation: 37+33=70, Resulting Numbers: [7, 22, 70] Generated Node #0,4: 55:[7, 22, 70] Operation: 37+33=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[7, 22, 4], Operations: ['37-33=4'] Exploring Operation: 22-7=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 55:[4, 15] Operation: 22-7=15 Exploring Operation: 22-4=18, Resulting Numbers: [7, 18] Generated Node #0,0,1: 55:[7, 18] Operation: 22-4=18 Exploring Operation: 7-4=3, Resulting Numbers: [22, 3] Generated Node #0,0,2: 55:[22, 3] Operation: 7-4=3 Exploring Operation: 7+4=11, Resulting Numbers: [22, 11] Generated Node #0,0,3: 55:[22, 11] Operation: 7+4=11 Exploring Operation: 22+4=26, Resulting Numbers: [7, 26] Generated Node #0,0,4: 55:[7, 26] Operation: 22+4=26 Moving to Node #0,0,0 Current State: 55:[4, 15], Operations: ['37-33=4', '22-7=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[7, 18], Operations: ['37-33=4', '22-4=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[22, 11], Operations: ['37-33=4', '7+4=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[22, 3], Operations: ['37-33=4', '7-4=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[7, 26], Operations: ['37-33=4', '22+4=26'] Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,55 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[37, 7, 11], Operations: ['33-22=11'] Exploring Operation: 11-7=4, Resulting Numbers: [37, 4] Generated Node #0,2,0: 55:[37, 4] Operation: 11-7=4 Exploring Operation: 37-11=26, Resulting Numbers: [7, 26] Generated Node #0,2,1: 55:[7, 26] Operation: 37-11=26 Exploring Operation: 37+7=44, Resulting Numbers: [11, 44] Generated Node #0,2,2: 55:[11, 44] Operation: 37+7=44 Exploring Operation: 37+11=48, Resulting Numbers: [7, 48] Generated Node #0,2,3: 55:[7, 48] Operation: 37+11=48 Exploring Operation: 37-7=30, Resulting Numbers: [11, 30] Generated Node #0,2,4: 55:[11, 30] Operation: 37-7=30 Moving to Node #0,2,3 Current State: 55:[7, 48], Operations: ['33-22=11', '37+11=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[37, 33, 7, 22], Operations: [] Exploring Operation: 33-22=11, Resulting Numbers: [37, 7, 11] Generated Node #0,2: 55:[37, 7, 11] Operation: 33-22=11 Moving to Node #0,2 Current State: 55:[37, 7, 11], Operations: ['33-22=11'] Exploring Operation: 37+11=48, Resulting Numbers: [7, 48] Generated Node #0,2,3: 55:[7, 48] Operation: 37+11=48 Moving to Node #0,2,3 Current State: 55:[7, 48], Operations: ['33-22=11', '37+11=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 7, 5, 36, 19 ]
52
[ "7*5=35", "36-19=17", "35+17=52" ]
Current State: 52:[7, 5, 36, 19], Operations: [] Exploring Operation: 7*5=35, Resulting Numbers: [36, 19, 35] Generated Node #2: [36, 19, 35] from Operation: 7*5=35 Current State: 52:[36, 19, 35], Operations: ['7*5=35'] Exploring Operation: 36-19=17, Resulting Numbers: [35, 17] Generated Node #3: [35, 17] from Operation: 36-19=17 Current State: 52:[35, 17], Operations: ['7*5=35', '36-19=17'] Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[7, 5, 36, 19], Operations: [] Exploring Operation: 36+19=55, Resulting Numbers: [7, 5, 55] Generated Node #0,0: 52:[7, 5, 55] Operation: 36+19=55 Exploring Operation: 36-19=17, Resulting Numbers: [7, 5, 17] Generated Node #0,1: 52:[7, 5, 17] Operation: 36-19=17 Exploring Operation: 7+19=26, Resulting Numbers: [5, 36, 26] Generated Node #0,2: 52:[5, 36, 26] Operation: 7+19=26 Exploring Operation: 36-7=29, Resulting Numbers: [5, 19, 29] Generated Node #0,3: 52:[5, 19, 29] Operation: 36-7=29 Moving to Node #0,0 Current State: 52:[7, 5, 55], Operations: ['36+19=55'] Exploring Operation: 7+5=12, Resulting Numbers: [55, 12] Generated Node #0,0,0: 52:[55, 12] Operation: 7+5=12 Exploring Operation: 55-7=48, Resulting Numbers: [5, 48] Generated Node #0,0,1: 52:[5, 48] Operation: 55-7=48 Exploring Operation: 7-5=2, Resulting Numbers: [55, 2] Generated Node #0,0,2: 52:[55, 2] Operation: 7-5=2 Exploring Operation: 55-5=50, Resulting Numbers: [7, 50] Generated Node #0,0,3: 52:[7, 50] Operation: 55-5=50 Moving to Node #0,1 Current State: 52:[7, 5, 17], Operations: ['36-19=17'] Exploring Operation: 7-5=2, Resulting Numbers: [17, 2] Generated Node #0,1,0: 52:[17, 2] Operation: 7-5=2 Exploring Operation: 17-5=12, Resulting Numbers: [7, 12] Generated Node #0,1,1: 52:[7, 12] Operation: 17-5=12 Exploring Operation: 17-7=10, Resulting Numbers: [5, 10] Generated Node #0,1,2: 52:[5, 10] Operation: 17-7=10 Exploring Operation: 7+17=24, Resulting Numbers: [5, 24] Generated Node #0,1,3: 52:[5, 24] Operation: 7+17=24 Moving to Node #0,3 Current State: 52:[5, 19, 29], Operations: ['36-7=29'] Exploring Operation: 29-19=10, Resulting Numbers: [5, 10] Generated Node #0,3,0: 52:[5, 10] Operation: 29-19=10 Exploring Operation: 5+19=24, Resulting Numbers: [29, 24] Generated Node #0,3,1: 52:[29, 24] Operation: 5+19=24 Exploring Operation: 19+29=48, Resulting Numbers: [5, 48] Generated Node #0,3,2: 52:[5, 48] Operation: 19+29=48 Exploring Operation: 19-5=14, Resulting Numbers: [29, 14] Generated Node #0,3,3: 52:[29, 14] Operation: 19-5=14 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[5, 10], Operations: ['36-7=29', '29-19=10'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[29, 14], Operations: ['36-7=29', '19-5=14'] Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,52 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[29, 24], Operations: ['36-7=29', '5+19=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[5, 48], Operations: ['36-7=29', '19+29=48'] Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,52 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[5, 36, 26], Operations: ['7+19=26'] Exploring Operation: 5+36=41, Resulting Numbers: [26, 41] Generated Node #0,2,0: 52:[26, 41] Operation: 5+36=41 Exploring Operation: 36+26=62, Resulting Numbers: [5, 62] Generated Node #0,2,1: 52:[5, 62] Operation: 36+26=62 Exploring Operation: 36-5=31, Resulting Numbers: [26, 31] Generated Node #0,2,2: 52:[26, 31] Operation: 36-5=31 Exploring Operation: 36-26=10, Resulting Numbers: [5, 10] Generated Node #0,2,3: 52:[5, 10] Operation: 36-26=10 Moving to Node #0,0,2 Current State: 52:[55, 2], Operations: ['36+19=55', '7-5=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,52 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[5, 24], Operations: ['36-19=17', '7+17=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,52 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[17, 2], Operations: ['36-19=17', '7-5=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[7, 12], Operations: ['36-19=17', '17-5=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,52 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[55, 12], Operations: ['36+19=55', '7+5=12'] Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,52 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[5, 10], Operations: ['36-19=17', '17-7=10'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[5, 10], Operations: ['7+19=26', '36-26=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[5, 48], Operations: ['36+19=55', '55-7=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,52 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[26, 31], Operations: ['7+19=26', '36-5=31'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[7, 50], Operations: ['36+19=55', '55-5=50'] Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,52 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[26, 41], Operations: ['7+19=26', '5+36=41'] Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,52 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[5, 62], Operations: ['7+19=26', '36+26=62'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 5*62=310, Resulting Numbers: [310] 310,52 unequal: No Solution Exploring Operation: 5+62=67, Resulting Numbers: [67] 67,52 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 36, 94, 83, 8 ]
52
[ "94-83=11", "8*11=88", "88-36=52" ]
Current State: 52:[36, 94, 83, 8], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [36, 8, 11] Generated Node #2: [36, 8, 11] from Operation: 94-83=11 Current State: 52:[36, 8, 11], Operations: ['94-83=11'] Exploring Operation: 8*11=88, Resulting Numbers: [36, 88] Generated Node #3: [36, 88] from Operation: 8*11=88 Current State: 52:[36, 88], Operations: ['94-83=11', '8*11=88'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[36, 94, 83, 8], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [36, 8, 11] Generated Node #0,0: 52:[36, 8, 11] Operation: 94-83=11 Moving to Node #0,0 Current State: 52:[36, 8, 11], Operations: ['94-83=11'] Exploring Operation: 36-8=28, Resulting Numbers: [11, 28] Generated Node #0,0,0: 52:[11, 28] Operation: 36-8=28 Moving to Node #0,0,0 Current State: 52:[11, 28], Operations: ['94-83=11', '36-8=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 30, 13, 34, 39 ]
83
[ "39-30=9", "13*9=117", "117-34=83" ]
Current State: 83:[30, 13, 34, 39], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [13, 34, 9] Generated Node #2: [13, 34, 9] from Operation: 39-30=9 Current State: 83:[13, 34, 9], Operations: ['39-30=9'] Exploring Operation: 13*9=117, Resulting Numbers: [34, 117] Generated Node #3: [34, 117] from Operation: 13*9=117 Current State: 83:[34, 117], Operations: ['39-30=9', '13*9=117'] Exploring Operation: 117-34=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[30, 13, 34, 39], Operations: [] Exploring Operation: 30+34=64, Resulting Numbers: [13, 39, 64] Generated Node #0,0: 83:[13, 39, 64] Operation: 30+34=64 Exploring Operation: 30+13=43, Resulting Numbers: [34, 39, 43] Generated Node #0,1: 83:[34, 39, 43] Operation: 30+13=43 Exploring Operation: 30+39=69, Resulting Numbers: [13, 34, 69] Generated Node #0,2: 83:[13, 34, 69] Operation: 30+39=69 Moving to Node #0,0 Current State: 83:[13, 39, 64], Operations: ['30+34=64'] Exploring Operation: 39-13=26, Resulting Numbers: [64, 26] Generated Node #0,0,0: 83:[64, 26] Operation: 39-13=26 Exploring Operation: 13+64=77, Resulting Numbers: [39, 77] Generated Node #0,0,1: 83:[39, 77] Operation: 13+64=77 Exploring Operation: 13+39=52, Resulting Numbers: [64, 52] Generated Node #0,0,2: 83:[64, 52] Operation: 13+39=52 Moving to Node #0,1 Current State: 83:[34, 39, 43], Operations: ['30+13=43'] Exploring Operation: 34+43=77, Resulting Numbers: [39, 77] Generated Node #0,1,0: 83:[39, 77] Operation: 34+43=77 Exploring Operation: 39+43=82, Resulting Numbers: [34, 82] Generated Node #0,1,1: 83:[34, 82] Operation: 39+43=82 Exploring Operation: 34+39=73, Resulting Numbers: [43, 73] Generated Node #0,1,2: 83:[43, 73] Operation: 34+39=73 Moving to Node #0,2 Current State: 83:[13, 34, 69], Operations: ['30+39=69'] Exploring Operation: 34-13=21, Resulting Numbers: [69, 21] Generated Node #0,2,0: 83:[69, 21] Operation: 34-13=21 Exploring Operation: 13+34=47, Resulting Numbers: [69, 47] Generated Node #0,2,1: 83:[69, 47] Operation: 13+34=47 Exploring Operation: 13+69=82, Resulting Numbers: [34, 82] Generated Node #0,2,2: 83:[34, 82] Operation: 13+69=82 Moving to Node #0,0,1 Current State: 83:[39, 77], Operations: ['30+34=64', '13+64=77'] Exploring Operation: 39+77=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 39*77=3003, Resulting Numbers: [3003] 3003,83 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[43, 73], Operations: ['30+13=43', '34+39=73'] Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,83 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[69, 47], Operations: ['30+39=69', '13+34=47'] Exploring Operation: 69*47=3243, Resulting Numbers: [3243] 3243,83 unequal: No Solution Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 69+47=116, Resulting Numbers: [116] 116,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[34, 82], Operations: ['30+39=69', '13+69=82'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 34*82=2788, Resulting Numbers: [2788] 2788,83 unequal: No Solution Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[64, 52], Operations: ['30+34=64', '13+39=52'] Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,83 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[34, 82], Operations: ['30+13=43', '39+43=82'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 34*82=2788, Resulting Numbers: [2788] 2788,83 unequal: No Solution Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[39, 77], Operations: ['30+13=43', '34+43=77'] Exploring Operation: 39*77=3003, Resulting Numbers: [3003] 3003,83 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 39+77=116, Resulting Numbers: [116] 116,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[69, 21], Operations: ['30+39=69', '34-13=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,83 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[64, 26], Operations: ['30+34=64', '39-13=26'] Exploring Operation: 64*26=1664, Resulting Numbers: [1664] 1664,83 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 64+26=90, Resulting Numbers: [90] 90,83 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 95, 53, 23, 86 ]
85
[ "95+53=148", "86-23=63", "148-63=85" ]
Current State: 85:[95, 53, 23, 86], Operations: [] Exploring Operation: 95+53=148, Resulting Numbers: [23, 86, 148] Generated Node #2: [23, 86, 148] from Operation: 95+53=148 Current State: 85:[23, 86, 148], Operations: ['95+53=148'] Exploring Operation: 86-23=63, Resulting Numbers: [148, 63] Generated Node #3: [148, 63] from Operation: 86-23=63 Current State: 85:[148, 63], Operations: ['95+53=148', '86-23=63'] Exploring Operation: 148-63=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[95, 53, 23, 86], Operations: [] Exploring Operation: 53+23=76, Resulting Numbers: [95, 86, 76] Generated Node #0,0: 85:[95, 86, 76] Operation: 53+23=76 Exploring Operation: 86-53=33, Resulting Numbers: [95, 23, 33] Generated Node #0,1: 85:[95, 23, 33] Operation: 86-53=33 Exploring Operation: 95-86=9, Resulting Numbers: [53, 23, 9] Generated Node #0,2: 85:[53, 23, 9] Operation: 95-86=9 Exploring Operation: 95-53=42, Resulting Numbers: [23, 86, 42] Generated Node #0,3: 85:[23, 86, 42] Operation: 95-53=42 Exploring Operation: 53-23=30, Resulting Numbers: [95, 86, 30] Generated Node #0,4: 85:[95, 86, 30] Operation: 53-23=30 Moving to Node #0,0 Current State: 85:[95, 86, 76], Operations: ['53+23=76'] Exploring Operation: 86+76=162, Resulting Numbers: [95, 162] Generated Node #0,0,0: 85:[95, 162] Operation: 86+76=162 Exploring Operation: 95-86=9, Resulting Numbers: [76, 9] Generated Node #0,0,1: 85:[76, 9] Operation: 95-86=9 Exploring Operation: 95+76=171, Resulting Numbers: [86, 171] Generated Node #0,0,2: 85:[86, 171] Operation: 95+76=171 Exploring Operation: 95-76=19, Resulting Numbers: [86, 19] Generated Node #0,0,3: 85:[86, 19] Operation: 95-76=19 Exploring Operation: 86-76=10, Resulting Numbers: [95, 10] Generated Node #0,0,4: 85:[95, 10] Operation: 86-76=10 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 85:[86, 19], Operations: ['53+23=76', '95-76=19'] Exploring Operation: 86+19=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 86*19=1634, Resulting Numbers: [1634] 1634,85 unequal: No Solution Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[76, 9], Operations: ['53+23=76', '95-86=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[95, 53, 23, 86], Operations: [] Exploring Operation: 53+23=76, Resulting Numbers: [95, 86, 76] Generated Node #0,0: 85:[95, 86, 76] Operation: 53+23=76 Moving to Node #0,0 Current State: 85:[95, 86, 76], Operations: ['53+23=76'] Exploring Operation: 95-86=9, Resulting Numbers: [76, 9] Generated Node #0,0,1: 85:[76, 9] Operation: 95-86=9 Moving to Node #0,0,1 Current State: 85:[76, 9], Operations: ['53+23=76', '95-86=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 16, 57, 93, 2 ]
97
[ "93-16=77", "2*77=154", "154-57=97" ]
Current State: 97:[16, 57, 93, 2], Operations: [] Exploring Operation: 93-16=77, Resulting Numbers: [57, 2, 77] Generated Node #2: [57, 2, 77] from Operation: 93-16=77 Current State: 97:[57, 2, 77], Operations: ['93-16=77'] Exploring Operation: 2*77=154, Resulting Numbers: [57, 154] Generated Node #3: [57, 154] from Operation: 2*77=154 Current State: 97:[57, 154], Operations: ['93-16=77', '2*77=154'] Exploring Operation: 154-57=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[16, 57, 93, 2], Operations: [] Exploring Operation: 16+57=73, Resulting Numbers: [93, 2, 73] Generated Node #0,0: 97:[93, 2, 73] Operation: 16+57=73 Exploring Operation: 57*2=114, Resulting Numbers: [16, 93, 114] Generated Node #0,1: 97:[16, 93, 114] Operation: 57*2=114 Exploring Operation: 16+2=18, Resulting Numbers: [57, 93, 18] Generated Node #0,2: 97:[57, 93, 18] Operation: 16+2=18 Exploring Operation: 16*2=32, Resulting Numbers: [57, 93, 32] Generated Node #0,3: 97:[57, 93, 32] Operation: 16*2=32 Exploring Operation: 57+2=59, Resulting Numbers: [16, 93, 59] Generated Node #0,4: 97:[16, 93, 59] Operation: 57+2=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[16, 93, 114], Operations: ['57*2=114'] Exploring Operation: 16+93=109, Resulting Numbers: [114, 109] Generated Node #0,1,0: 97:[114, 109] Operation: 16+93=109 Exploring Operation: 114-93=21, Resulting Numbers: [16, 21] Generated Node #0,1,1: 97:[16, 21] Operation: 114-93=21 Exploring Operation: 16+114=130, Resulting Numbers: [93, 130] Generated Node #0,1,2: 97:[93, 130] Operation: 16+114=130 Exploring Operation: 114-16=98, Resulting Numbers: [93, 98] Generated Node #0,1,3: 97:[93, 98] Operation: 114-16=98 Exploring Operation: 93-16=77, Resulting Numbers: [114, 77] Generated Node #0,1,4: 97:[114, 77] Operation: 93-16=77 Moving to Node #0,1,3 Current State: 97:[93, 98], Operations: ['57*2=114', '114-16=98'] Exploring Operation: 93*98=9114, Resulting Numbers: [9114] 9114,97 unequal: No Solution Exploring Operation: 98-93=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 93+98=191, Resulting Numbers: [191] 191,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[114, 109], Operations: ['57*2=114', '16+93=109'] Exploring Operation: 114*109=12426, Resulting Numbers: [12426] 12426,97 unequal: No Solution Exploring Operation: 114-109=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 114+109=223, Resulting Numbers: [223] 223,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[93, 130], Operations: ['57*2=114', '16+114=130'] Exploring Operation: 130-93=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 93+130=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 93*130=12090, Resulting Numbers: [12090] 12090,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[114, 77], Operations: ['57*2=114', '93-16=77'] Exploring Operation: 114-77=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 114+77=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 114*77=8778, Resulting Numbers: [8778] 8778,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[16, 21], Operations: ['57*2=114', '114-93=21'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[57, 93, 32], Operations: ['16*2=32'] Exploring Operation: 93+32=125, Resulting Numbers: [57, 125] Generated Node #0,3,0: 97:[57, 125] Operation: 93+32=125 Exploring Operation: 57+93=150, Resulting Numbers: [32, 150] Generated Node #0,3,1: 97:[32, 150] Operation: 57+93=150 Exploring Operation: 57-32=25, Resulting Numbers: [93, 25] Generated Node #0,3,2: 97:[93, 25] Operation: 57-32=25 Exploring Operation: 93-32=61, Resulting Numbers: [57, 61] Generated Node #0,3,3: 97:[57, 61] Operation: 93-32=61 Exploring Operation: 57+32=89, Resulting Numbers: [93, 89] Generated Node #0,3,4: 97:[93, 89] Operation: 57+32=89 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 97:[93, 89], Operations: ['16*2=32', '57+32=89'] Exploring Operation: 93+89=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 93*89=8277, Resulting Numbers: [8277] 8277,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[57, 125], Operations: ['16*2=32', '93+32=125'] Exploring Operation: 125-57=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 57*125=7125, Resulting Numbers: [7125] 7125,97 unequal: No Solution Exploring Operation: 57+125=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[93, 25], Operations: ['16*2=32', '57-32=25'] Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 93*25=2325, Resulting Numbers: [2325] 2325,97 unequal: No Solution Exploring Operation: 93+25=118, Resulting Numbers: [118] 118,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[57, 61], Operations: ['16*2=32', '93-32=61'] Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,97 unequal: No Solution Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[32, 150], Operations: ['16*2=32', '57+93=150'] Exploring Operation: 32+150=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 32*150=4800, Resulting Numbers: [4800] 4800,97 unequal: No Solution Exploring Operation: 150-32=118, Resulting Numbers: [118] 118,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[93, 2, 73], Operations: ['16+57=73'] Exploring Operation: 2+73=75, Resulting Numbers: [93, 75] Generated Node #0,0,0: 97:[93, 75] Operation: 2+73=75 Exploring Operation: 93+2=95, Resulting Numbers: [73, 95] Generated Node #0,0,1: 97:[73, 95] Operation: 93+2=95 Exploring Operation: 2*73=146, Resulting Numbers: [93, 146] Generated Node #0,0,2: 97:[93, 146] Operation: 2*73=146 Exploring Operation: 93-2=91, Resulting Numbers: [73, 91] Generated Node #0,0,3: 97:[73, 91] Operation: 93-2=91 Exploring Operation: 73-2=71, Resulting Numbers: [93, 71] Generated Node #0,0,4: 97:[93, 71] Operation: 73-2=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[93, 75], Operations: ['16+57=73', '2+73=75'] Exploring Operation: 93-75=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 93*75=6975, Resulting Numbers: [6975] 6975,97 unequal: No Solution Exploring Operation: 93+75=168, Resulting Numbers: [168] 168,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[73, 95], Operations: ['16+57=73', '93+2=95'] Exploring Operation: 73*95=6935, Resulting Numbers: [6935] 6935,97 unequal: No Solution Exploring Operation: 95-73=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 73+95=168, Resulting Numbers: [168] 168,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[73, 91], Operations: ['16+57=73', '93-2=91'] Exploring Operation: 73*91=6643, Resulting Numbers: [6643] 6643,97 unequal: No Solution Exploring Operation: 73+91=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 91-73=18, Resulting Numbers: [18] 18,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 97:[93, 71], Operations: ['16+57=73', '73-2=71'] Exploring Operation: 93+71=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 93-71=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 93*71=6603, Resulting Numbers: [6603] 6603,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[93, 146], Operations: ['16+57=73', '2*73=146'] Exploring Operation: 93*146=13578, Resulting Numbers: [13578] 13578,97 unequal: No Solution Exploring Operation: 146-93=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 93+146=239, Resulting Numbers: [239] 239,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[57, 93, 18], Operations: ['16+2=18'] Exploring Operation: 93+18=111, Resulting Numbers: [57, 111] Generated Node #0,2,0: 97:[57, 111] Operation: 93+18=111 Exploring Operation: 57+18=75, Resulting Numbers: [93, 75] Generated Node #0,2,1: 97:[93, 75] Operation: 57+18=75 Exploring Operation: 57-18=39, Resulting Numbers: [93, 39] Generated Node #0,2,2: 97:[93, 39] Operation: 57-18=39 Exploring Operation: 57+93=150, Resulting Numbers: [18, 150] Generated Node #0,2,3: 97:[18, 150] Operation: 57+93=150 Exploring Operation: 93-18=75, Resulting Numbers: [57, 75] Generated Node #0,2,4: 97:[57, 75] Operation: 93-18=75 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[93, 75], Operations: ['16+2=18', '57+18=75'] Exploring Operation: 93-75=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 93+75=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 93*75=6975, Resulting Numbers: [6975] 6975,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[57, 111], Operations: ['16+2=18', '93+18=111'] Exploring Operation: 111-57=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 57+111=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 57*111=6327, Resulting Numbers: [6327] 6327,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[93, 39], Operations: ['16+2=18', '57-18=39'] Exploring Operation: 93*39=3627, Resulting Numbers: [3627] 3627,97 unequal: No Solution Exploring Operation: 93+39=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 97:[57, 75], Operations: ['16+2=18', '93-18=75'] Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[18, 150], Operations: ['16+2=18', '57+93=150'] Exploring Operation: 18+150=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 150-18=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 18*150=2700, Resulting Numbers: [2700] 2700,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 97:[16, 93, 59], Operations: ['57+2=59'] Exploring Operation: 93-16=77, Resulting Numbers: [59, 77] Generated Node #0,4,0: 97:[59, 77] Operation: 93-16=77 Exploring Operation: 93+59=152, Resulting Numbers: [16, 152] Generated Node #0,4,1: 97:[16, 152] Operation: 93+59=152 Exploring Operation: 59-16=43, Resulting Numbers: [93, 43] Generated Node #0,4,2: 97:[93, 43] Operation: 59-16=43 Exploring Operation: 16+93=109, Resulting Numbers: [59, 109] Generated Node #0,4,3: 97:[59, 109] Operation: 16+93=109 Exploring Operation: 16+59=75, Resulting Numbers: [93, 75] Generated Node #0,4,4: 97:[93, 75] Operation: 16+59=75 Moving to Node #0,4,4 Current State: 97:[93, 75], Operations: ['57+2=59', '16+59=75'] Exploring Operation: 93+75=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 93*75=6975, Resulting Numbers: [6975] 6975,97 unequal: No Solution Exploring Operation: 93-75=18, Resulting Numbers: [18] 18,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[59, 109], Operations: ['57+2=59', '16+93=109'] Exploring Operation: 59*109=6431, Resulting Numbers: [6431] 6431,97 unequal: No Solution Exploring Operation: 59+109=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 109-59=50, Resulting Numbers: [50] 50,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[59, 77], Operations: ['57+2=59', '93-16=77'] Exploring Operation: 59*77=4543, Resulting Numbers: [4543] 4543,97 unequal: No Solution Exploring Operation: 59+77=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 77-59=18, Resulting Numbers: [18] 18,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[93, 43], Operations: ['57+2=59', '59-16=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,97 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[16, 152], Operations: ['57+2=59', '93+59=152'] Exploring Operation: 16*152=2432, Resulting Numbers: [2432] 2432,97 unequal: No Solution Exploring Operation: 16+152=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 152-16=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 37, 42, 96, 34 ]
67
[ "42-37=5", "96-34=62", "5+62=67" ]
Current State: 67:[37, 42, 96, 34], Operations: [] Exploring Operation: 42-37=5, Resulting Numbers: [96, 34, 5] Generated Node #2: [96, 34, 5] from Operation: 42-37=5 Current State: 67:[96, 34, 5], Operations: ['42-37=5'] Exploring Operation: 96-34=62, Resulting Numbers: [5, 62] Generated Node #3: [5, 62] from Operation: 96-34=62 Current State: 67:[5, 62], Operations: ['42-37=5', '96-34=62'] Exploring Operation: 5+62=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[37, 42, 96, 34], Operations: [] Exploring Operation: 37+34=71, Resulting Numbers: [42, 96, 71] Generated Node #0,0: 67:[42, 96, 71] Operation: 37+34=71 Moving to Node #0,0 Current State: 67:[42, 96, 71], Operations: ['37+34=71'] Exploring Operation: 96-42=54, Resulting Numbers: [71, 54] Generated Node #0,0,0: 67:[71, 54] Operation: 96-42=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[71, 54], Operations: ['37+34=71', '96-42=54'] Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 81, 84, 12, 68 ]
83
[ "84-81=3", "12+68=80", "3+80=83" ]
Current State: 83:[81, 84, 12, 68], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [12, 68, 3] Generated Node #2: [12, 68, 3] from Operation: 84-81=3 Current State: 83:[12, 68, 3], Operations: ['84-81=3'] Exploring Operation: 12+68=80, Resulting Numbers: [3, 80] Generated Node #3: [3, 80] from Operation: 12+68=80 Current State: 83:[3, 80], Operations: ['84-81=3', '12+68=80'] Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[81, 84, 12, 68], Operations: [] Exploring Operation: 12+68=80, Resulting Numbers: [81, 84, 80] Generated Node #0,0: 83:[81, 84, 80] Operation: 12+68=80 Exploring Operation: 81-12=69, Resulting Numbers: [84, 68, 69] Generated Node #0,1: 83:[84, 68, 69] Operation: 81-12=69 Exploring Operation: 81+12=93, Resulting Numbers: [84, 68, 93] Generated Node #0,2: 83:[84, 68, 93] Operation: 81+12=93 Exploring Operation: 84-12=72, Resulting Numbers: [81, 68, 72] Generated Node #0,3: 83:[81, 68, 72] Operation: 84-12=72 Exploring Operation: 84+12=96, Resulting Numbers: [81, 68, 96] Generated Node #0,4: 83:[81, 68, 96] Operation: 84+12=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[81, 84, 80], Operations: ['12+68=80'] Exploring Operation: 84+80=164, Resulting Numbers: [81, 164] Generated Node #0,0,0: 83:[81, 164] Operation: 84+80=164 Exploring Operation: 84-80=4, Resulting Numbers: [81, 4] Generated Node #0,0,1: 83:[81, 4] Operation: 84-80=4 Exploring Operation: 81-80=1, Resulting Numbers: [84, 1] Generated Node #0,0,2: 83:[84, 1] Operation: 81-80=1 Exploring Operation: 84-81=3, Resulting Numbers: [80, 3] Generated Node #0,0,3: 83:[80, 3] Operation: 84-81=3 Exploring Operation: 81+80=161, Resulting Numbers: [84, 161] Generated Node #0,0,4: 83:[84, 161] Operation: 81+80=161 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 83:[84, 161], Operations: ['12+68=80', '81+80=161'] Exploring Operation: 161-84=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 84*161=13524, Resulting Numbers: [13524] 13524,83 unequal: No Solution Exploring Operation: 84+161=245, Resulting Numbers: [245] 245,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[81, 4], Operations: ['12+68=80', '84-80=4'] Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,83 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[81, 164], Operations: ['12+68=80', '84+80=164'] Exploring Operation: 81+164=245, Resulting Numbers: [245] 245,83 unequal: No Solution Exploring Operation: 164-81=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[81, 84, 12, 68], Operations: [] Exploring Operation: 12+68=80, Resulting Numbers: [81, 84, 80] Generated Node #0,0: 83:[81, 84, 80] Operation: 12+68=80 Moving to Node #0,0 Current State: 83:[81, 84, 80], Operations: ['12+68=80'] Exploring Operation: 84+80=164, Resulting Numbers: [81, 164] Generated Node #0,0,0: 83:[81, 164] Operation: 84+80=164 Moving to Node #0,0,0 Current State: 83:[81, 164], Operations: ['12+68=80', '84+80=164'] Exploring Operation: 164-81=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 37, 46, 95, 49 ]
61
[ "37+46=83", "95+49=144", "144-83=61" ]
Current State: 61:[37, 46, 95, 49], Operations: [] Exploring Operation: 37+46=83, Resulting Numbers: [95, 49, 83] Generated Node #2: [95, 49, 83] from Operation: 37+46=83 Current State: 61:[95, 49, 83], Operations: ['37+46=83'] Exploring Operation: 95+49=144, Resulting Numbers: [83, 144] Generated Node #3: [83, 144] from Operation: 95+49=144 Current State: 61:[83, 144], Operations: ['37+46=83', '95+49=144'] Exploring Operation: 144-83=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[37, 46, 95, 49], Operations: [] Exploring Operation: 95-46=49, Resulting Numbers: [37, 49, 49] Generated Node #0,0: 61:[37, 49, 49] Operation: 95-46=49 Exploring Operation: 95-37=58, Resulting Numbers: [46, 49, 58] Generated Node #0,1: 61:[46, 49, 58] Operation: 95-37=58 Moving to Node #0,1 Current State: 61:[46, 49, 58], Operations: ['95-37=58'] Exploring Operation: 46+58=104, Resulting Numbers: [49, 104] Generated Node #0,1,0: 61:[49, 104] Operation: 46+58=104 Exploring Operation: 46+49=95, Resulting Numbers: [58, 95] Generated Node #0,1,1: 61:[58, 95] Operation: 46+49=95 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[58, 95], Operations: ['95-37=58', '46+49=95'] Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,61 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[49, 104], Operations: ['95-37=58', '46+58=104'] Exploring Operation: 49+104=153, Resulting Numbers: [153] 153,61 unequal: No Solution Exploring Operation: 104-49=55, Resulting Numbers: [55] 55,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 61:[37, 49, 49], Operations: ['95-46=49'] Exploring Operation: 37+49=86, Resulting Numbers: [49, 86] Generated Node #0,0,0: 61:[49, 86] Operation: 37+49=86 Exploring Operation: 37+49=86, Resulting Numbers: [49, 86] Generated Node #0,0,1: 61:[49, 86] Operation: 37+49=86 Moving to Node #0,0,0 Current State: 61:[49, 86], Operations: ['95-46=49', '37+49=86'] Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[49, 86], Operations: ['95-46=49', '37+49=86'] Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 70, 10, 96, 64 ]
95
[ "70*96=6720", "6720/64=105", "105-10=95" ]
Current State: 95:[70, 10, 96, 64], Operations: [] Exploring Operation: 70*96=6720, Resulting Numbers: [10, 64, 6720] Generated Node #2: [10, 64, 6720] from Operation: 70*96=6720 Current State: 95:[10, 64, 6720], Operations: ['70*96=6720'] Exploring Operation: 6720/64=105, Resulting Numbers: [10, 105] Generated Node #3: [10, 105] from Operation: 6720/64=105 Current State: 95:[10, 105], Operations: ['70*96=6720', '6720/64=105'] Exploring Operation: 105-10=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[70, 10, 96, 64], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [10, 96, 6] Generated Node #0,0: 95:[10, 96, 6] Operation: 70-64=6 Exploring Operation: 96-70=26, Resulting Numbers: [10, 64, 26] Generated Node #0,1: 95:[10, 64, 26] Operation: 96-70=26 Exploring Operation: 70/10=7, Resulting Numbers: [96, 64, 7] Generated Node #0,2: 95:[96, 64, 7] Operation: 70/10=7 Moving to Node #0,0 Current State: 95:[10, 96, 6], Operations: ['70-64=6'] Exploring Operation: 10+6=16, Resulting Numbers: [96, 16] Generated Node #0,0,0: 95:[96, 16] Operation: 10+6=16 Exploring Operation: 10-6=4, Resulting Numbers: [96, 4] Generated Node #0,0,1: 95:[96, 4] Operation: 10-6=4 Exploring Operation: 96/6=16, Resulting Numbers: [10, 16] Generated Node #0,0,2: 95:[10, 16] Operation: 96/6=16 Moving to Node #0,2 Current State: 95:[96, 64, 7], Operations: ['70/10=7'] Exploring Operation: 96-64=32, Resulting Numbers: [7, 32] Generated Node #0,2,0: 95:[7, 32] Operation: 96-64=32 Exploring Operation: 96-7=89, Resulting Numbers: [64, 89] Generated Node #0,2,1: 95:[64, 89] Operation: 96-7=89 Exploring Operation: 64+7=71, Resulting Numbers: [96, 71] Generated Node #0,2,2: 95:[96, 71] Operation: 64+7=71 Moving to Node #0,1 Current State: 95:[10, 64, 26], Operations: ['96-70=26'] Exploring Operation: 64+26=90, Resulting Numbers: [10, 90] Generated Node #0,1,0: 95:[10, 90] Operation: 64+26=90 Exploring Operation: 10+64=74, Resulting Numbers: [26, 74] Generated Node #0,1,1: 95:[26, 74] Operation: 10+64=74 Exploring Operation: 64-26=38, Resulting Numbers: [10, 38] Generated Node #0,1,2: 95:[10, 38] Operation: 64-26=38 Moving to Node #0,0,1 Current State: 95:[96, 4], Operations: ['70-64=6', '10-6=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,95 unequal: No Solution Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[96, 16], Operations: ['70-64=6', '10+6=16'] Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,95 unequal: No Solution Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[10, 16], Operations: ['70-64=6', '96/6=16'] Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,95 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[10, 90], Operations: ['96-70=26', '64+26=90'] Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 10+90=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[7, 32], Operations: ['70/10=7', '96-64=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,95 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,95 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[10, 38], Operations: ['96-70=26', '64-26=38'] Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,95 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[96, 71], Operations: ['70/10=7', '64+7=71'] Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,95 unequal: No Solution Exploring Operation: 96*71=6816, Resulting Numbers: [6816] 6816,95 unequal: No Solution Exploring Operation: 96+71=167, Resulting Numbers: [167] 167,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[26, 74], Operations: ['96-70=26', '10+64=74'] Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,95 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[64, 89], Operations: ['70/10=7', '96-7=89'] Exploring Operation: 64+89=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,95 unequal: No Solution Exploring Operation: 64*89=5696, Resulting Numbers: [5696] 5696,95 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 24, 87, 67, 23 ]
20
[ "24-23=1", "87-67=20", "1*20=20" ]
Current State: 20:[24, 87, 67, 23], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [87, 67, 1] Generated Node #2: [87, 67, 1] from Operation: 24-23=1 Current State: 20:[87, 67, 1], Operations: ['24-23=1'] Exploring Operation: 87-67=20, Resulting Numbers: [1, 20] Generated Node #3: [1, 20] from Operation: 87-67=20 Current State: 20:[1, 20], Operations: ['24-23=1', '87-67=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[24, 87, 67, 23], Operations: [] Exploring Operation: 67-24=43, Resulting Numbers: [87, 23, 43] Generated Node #0,0: 20:[87, 23, 43] Operation: 67-24=43 Exploring Operation: 87-24=63, Resulting Numbers: [67, 23, 63] Generated Node #0,1: 20:[67, 23, 63] Operation: 87-24=63 Exploring Operation: 87-67=20, Resulting Numbers: [24, 23, 20] Generated Node #0,2: 20:[24, 23, 20] Operation: 87-67=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[24, 23, 20], Operations: ['87-67=20'] Exploring Operation: 23-20=3, Resulting Numbers: [24, 3] Generated Node #0,2,0: 20:[24, 3] Operation: 23-20=3 Exploring Operation: 24-20=4, Resulting Numbers: [23, 4] Generated Node #0,2,1: 20:[23, 4] Operation: 24-20=4 Exploring Operation: 24-23=1, Resulting Numbers: [20, 1] Generated Node #0,2,2: 20:[20, 1] Operation: 24-23=1 Moving to Node #0,2,2 Current State: 20:[20, 1], Operations: ['87-67=20', '24-23=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[24, 87, 67, 23], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [24, 23, 20] Generated Node #0,2: 20:[24, 23, 20] Operation: 87-67=20 Moving to Node #0,2 Current State: 20:[24, 23, 20], Operations: ['87-67=20'] Exploring Operation: 24-23=1, Resulting Numbers: [20, 1] Generated Node #0,2,2: 20:[20, 1] Operation: 24-23=1 Moving to Node #0,2,2 Current State: 20:[20, 1], Operations: ['87-67=20', '24-23=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 45, 48, 12, 42 ]
91
[ "45+42=87", "48/12=4", "87+4=91" ]
Current State: 91:[45, 48, 12, 42], Operations: [] Exploring Operation: 45+42=87, Resulting Numbers: [48, 12, 87] Generated Node #2: [48, 12, 87] from Operation: 45+42=87 Current State: 91:[48, 12, 87], Operations: ['45+42=87'] Exploring Operation: 48/12=4, Resulting Numbers: [87, 4] Generated Node #3: [87, 4] from Operation: 48/12=4 Current State: 91:[87, 4], Operations: ['45+42=87', '48/12=4'] Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[45, 48, 12, 42], Operations: [] Exploring Operation: 45+48=93, Resulting Numbers: [12, 42, 93] Generated Node #0,0: 91:[12, 42, 93] Operation: 45+48=93 Moving to Node #0,0 Current State: 91:[12, 42, 93], Operations: ['45+48=93'] Exploring Operation: 42-12=30, Resulting Numbers: [93, 30] Generated Node #0,0,0: 91:[93, 30] Operation: 42-12=30 Moving to Node #0,0,0 Current State: 91:[93, 30], Operations: ['45+48=93', '42-12=30'] Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 64, 12, 14, 8 ]
56
[ "64/8=8", "12-8=4", "14*4=56" ]
Current State: 56:[64, 12, 14, 8], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [12, 14, 8] Generated Node #2: [12, 14, 8] from Operation: 64/8=8 Current State: 56:[12, 14, 8], Operations: ['64/8=8'] Exploring Operation: 12-8=4, Resulting Numbers: [14, 4] Generated Node #3: [14, 4] from Operation: 12-8=4 Current State: 56:[14, 4], Operations: ['64/8=8', '12-8=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[64, 12, 14, 8], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [12, 14, 8] Generated Node #0,0: 56:[12, 14, 8] Operation: 64/8=8 Exploring Operation: 64-8=56, Resulting Numbers: [12, 14, 56] Generated Node #0,1: 56:[12, 14, 56] Operation: 64-8=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[12, 14, 8], Operations: ['64/8=8'] Exploring Operation: 14-12=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 56:[8, 2] Operation: 14-12=2 Exploring Operation: 12-8=4, Resulting Numbers: [14, 4] Generated Node #0,0,1: 56:[14, 4] Operation: 12-8=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[8, 2], Operations: ['64/8=8', '14-12=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[14, 4], Operations: ['64/8=8', '12-8=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[64, 12, 14, 8], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [12, 14, 8] Generated Node #0,0: 56:[12, 14, 8] Operation: 64/8=8 Moving to Node #0,0 Current State: 56:[12, 14, 8], Operations: ['64/8=8'] Exploring Operation: 12-8=4, Resulting Numbers: [14, 4] Generated Node #0,0,1: 56:[14, 4] Operation: 12-8=4 Moving to Node #0,0,1 Current State: 56:[14, 4], Operations: ['64/8=8', '12-8=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 68, 17, 65, 32 ]
29
[ "68/17=4", "65-32=33", "33-4=29" ]
Current State: 29:[68, 17, 65, 32], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [65, 32, 4] Generated Node #2: [65, 32, 4] from Operation: 68/17=4 Current State: 29:[65, 32, 4], Operations: ['68/17=4'] Exploring Operation: 65-32=33, Resulting Numbers: [4, 33] Generated Node #3: [4, 33] from Operation: 65-32=33 Current State: 29:[4, 33], Operations: ['68/17=4', '65-32=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[68, 17, 65, 32], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [17, 32, 3] Generated Node #0,0: 29:[17, 32, 3] Operation: 68-65=3 Exploring Operation: 68-32=36, Resulting Numbers: [17, 65, 36] Generated Node #0,1: 29:[17, 65, 36] Operation: 68-32=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[17, 32, 3], Operations: ['68-65=3'] Exploring Operation: 32-3=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 29:[17, 29] Operation: 32-3=29 Exploring Operation: 17+3=20, Resulting Numbers: [32, 20] Generated Node #0,0,1: 29:[32, 20] Operation: 17+3=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[17, 29], Operations: ['68-65=3', '32-3=29'] Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[32, 20], Operations: ['68-65=3', '17+3=20'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[17, 65, 36], Operations: ['68-32=36'] Exploring Operation: 65-36=29, Resulting Numbers: [17, 29] Generated Node #0,1,0: 29:[17, 29] Operation: 65-36=29 Exploring Operation: 65-17=48, Resulting Numbers: [36, 48] Generated Node #0,1,1: 29:[36, 48] Operation: 65-17=48 Moving to Node #0,1,0 Current State: 29:[17, 29], Operations: ['68-32=36', '65-36=29'] Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[36, 48], Operations: ['68-32=36', '65-17=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 33, 37, 67, 63 ]
74
[ "33+37=70", "67-63=4", "70+4=74" ]
Current State: 74:[33, 37, 67, 63], Operations: [] Exploring Operation: 33+37=70, Resulting Numbers: [67, 63, 70] Generated Node #2: [67, 63, 70] from Operation: 33+37=70 Current State: 74:[67, 63, 70], Operations: ['33+37=70'] Exploring Operation: 67-63=4, Resulting Numbers: [70, 4] Generated Node #3: [70, 4] from Operation: 67-63=4 Current State: 74:[70, 4], Operations: ['33+37=70', '67-63=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[33, 37, 67, 63], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [33, 37, 4] Generated Node #0,0: 74:[33, 37, 4] Operation: 67-63=4 Moving to Node #0,0 Current State: 74:[33, 37, 4], Operations: ['67-63=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37, 37] Generated Node #0,0,0: 74:[37, 37] Operation: 33+4=37 Moving to Node #0,0,0 Current State: 74:[37, 37], Operations: ['67-63=4', '33+4=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[33, 37, 67, 63], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [33, 37, 4] Generated Node #0,0: 74:[33, 37, 4] Operation: 67-63=4 Moving to Node #0,0 Current State: 74:[33, 37, 4], Operations: ['67-63=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37, 37] Generated Node #0,0,0: 74:[37, 37] Operation: 33+4=37 Moving to Node #0,0,0 Current State: 74:[37, 37], Operations: ['67-63=4', '33+4=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.993924
hs_1
mult_heuristic