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
[ 7, 2, 12, 20 ]
13
[ "7-2=5", "20-12=8", "5+8=13" ]
Current State: 13:[7, 2, 12, 20], Operations: [] Exploring Operation: 7-2=5, Resulting Numbers: [12, 20, 5] Generated Node #2: [12, 20, 5] from Operation: 7-2=5 Current State: 13:[12, 20, 5], Operations: ['7-2=5'] Exploring Operation: 20-12=8, Resulting Numbers: [5, 8] Generated Node #3: [5, 8] from Operation: 20-12=8 Current State: 13:[5, 8], Operations: ['7-2=5', '20-12=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[7, 2, 12, 20], Operations: [] Exploring Operation: 7*2=14, Resulting Numbers: [12, 20, 14] Generated Node #0,0: 13:[12, 20, 14] Operation: 7*2=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[12, 20, 14], Operations: ['7*2=14'] Exploring Operation: 20-12=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 13:[14, 8] Operation: 20-12=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[14, 8], Operations: ['7*2=14', '20-12=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,13 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
sum_heuristic
[ 17, 80, 49, 61 ]
47
[ "80-17=63", "49+61=110", "110-63=47" ]
Current State: 47:[17, 80, 49, 61], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [49, 61, 63] Generated Node #2: [49, 61, 63] from Operation: 80-17=63 Current State: 47:[49, 61, 63], Operations: ['80-17=63'] Exploring Operation: 49+61=110, Resulting Numbers: [63, 110] Generated Node #3: [63, 110] from Operation: 49+61=110 Current State: 47:[63, 110], Operations: ['80-17=63', '49+61=110'] Exploring Operation: 110-63=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[17, 80, 49, 61], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [49, 61, 63] Generated Node #0,0: 47:[49, 61, 63] Operation: 80-17=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[49, 61, 63], Operations: ['80-17=63'] Exploring Operation: 63-49=14, Resulting Numbers: [61, 14] Generated Node #0,0,0: 47:[61, 14] Operation: 63-49=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[61, 14], Operations: ['80-17=63', '63-49=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[17, 80, 49, 61], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [49, 61, 63] Generated Node #0,0: 47:[49, 61, 63] Operation: 80-17=63 Moving to Node #0,0 Current State: 47:[49, 61, 63], Operations: ['80-17=63'] Exploring Operation: 63-49=14, Resulting Numbers: [61, 14] Generated Node #0,0,0: 47:[61, 14] Operation: 63-49=14 Moving to Node #0,0,0 Current State: 47:[61, 14], Operations: ['80-17=63', '63-49=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 82, 3, 38, 2 ]
25
[ "82-38=44", "44/2=22", "3+22=25" ]
Current State: 25:[82, 3, 38, 2], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [3, 2, 44] Generated Node #2: [3, 2, 44] from Operation: 82-38=44 Current State: 25:[3, 2, 44], Operations: ['82-38=44'] Exploring Operation: 44/2=22, Resulting Numbers: [3, 22] Generated Node #3: [3, 22] from Operation: 44/2=22 Current State: 25:[3, 22], Operations: ['82-38=44', '44/2=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[82, 3, 38, 2], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [3, 2, 44] Generated Node #0,0: 25:[3, 2, 44] Operation: 82-38=44 Moving to Node #0,0 Current State: 25:[3, 2, 44], Operations: ['82-38=44'] Exploring Operation: 44/2=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 25:[3, 22] Operation: 44/2=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[3, 22], Operations: ['82-38=44', '44/2=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[82, 3, 38, 2], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [3, 2, 44] Generated Node #0,0: 25:[3, 2, 44] Operation: 82-38=44 Moving to Node #0,0 Current State: 25:[3, 2, 44], Operations: ['82-38=44'] Exploring Operation: 44/2=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 25:[3, 22] Operation: 44/2=22 Moving to Node #0,0,0 Current State: 25:[3, 22], Operations: ['82-38=44', '44/2=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 43, 74, 51, 95 ]
75
[ "74-43=31", "95-51=44", "31+44=75" ]
Current State: 75:[43, 74, 51, 95], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [51, 95, 31] Generated Node #2: [51, 95, 31] from Operation: 74-43=31 Current State: 75:[51, 95, 31], Operations: ['74-43=31'] Exploring Operation: 95-51=44, Resulting Numbers: [31, 44] Generated Node #3: [31, 44] from Operation: 95-51=44 Current State: 75:[31, 44], Operations: ['74-43=31', '95-51=44'] Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[43, 74, 51, 95], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [74, 95, 8] Generated Node #0,0: 75:[74, 95, 8] Operation: 51-43=8 Exploring Operation: 95-51=44, Resulting Numbers: [43, 74, 44] Generated Node #0,1: 75:[43, 74, 44] Operation: 95-51=44 Exploring Operation: 74-51=23, Resulting Numbers: [43, 95, 23] Generated Node #0,2: 75:[43, 95, 23] Operation: 74-51=23 Exploring Operation: 43+51=94, Resulting Numbers: [74, 95, 94] Generated Node #0,3: 75:[74, 95, 94] Operation: 43+51=94 Moving to Node #0,0 Current State: 75:[74, 95, 8], Operations: ['51-43=8'] Exploring Operation: 74-8=66, Resulting Numbers: [95, 66] Generated Node #0,0,0: 75:[95, 66] Operation: 74-8=66 Exploring Operation: 95-74=21, Resulting Numbers: [8, 21] Generated Node #0,0,1: 75:[8, 21] Operation: 95-74=21 Exploring Operation: 95-8=87, Resulting Numbers: [74, 87] Generated Node #0,0,2: 75:[74, 87] Operation: 95-8=87 Exploring Operation: 74+8=82, Resulting Numbers: [95, 82] Generated Node #0,0,3: 75:[95, 82] Operation: 74+8=82 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[8, 21], Operations: ['51-43=8', '95-74=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,75 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 #0,0,2 Current State: 75:[74, 87], Operations: ['51-43=8', '95-8=87'] Exploring Operation: 74*87=6438, Resulting Numbers: [6438] 6438,75 unequal: No Solution Exploring Operation: 74+87=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 87-74=13, Resulting Numbers: [13] 13,75 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 #0,0,3 Current State: 75:[95, 82], Operations: ['51-43=8', '74+8=82'] Exploring Operation: 95+82=177, Resulting Numbers: [177] 177,75 unequal: No Solution Exploring Operation: 95-82=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 95*82=7790, Resulting Numbers: [7790] 7790,75 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 #0,0,0 Current State: 75:[95, 66], Operations: ['51-43=8', '74-8=66'] Exploring Operation: 95*66=6270, Resulting Numbers: [6270] 6270,75 unequal: No Solution Exploring Operation: 95+66=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 95-66=29, Resulting Numbers: [29] 29,75 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: 75:[43, 74, 44], Operations: ['95-51=44'] Exploring Operation: 74-44=30, Resulting Numbers: [43, 30] Generated Node #0,1,0: 75:[43, 30] Operation: 74-44=30 Exploring Operation: 74-43=31, Resulting Numbers: [44, 31] Generated Node #0,1,1: 75:[44, 31] Operation: 74-43=31 Exploring Operation: 43+44=87, Resulting Numbers: [74, 87] Generated Node #0,1,2: 75:[74, 87] Operation: 43+44=87 Exploring Operation: 44-43=1, Resulting Numbers: [74, 1] Generated Node #0,1,3: 75:[74, 1] Operation: 44-43=1 Moving to Node #0,3 Current State: 75:[74, 95, 94], Operations: ['43+51=94'] Exploring Operation: 95-74=21, Resulting Numbers: [94, 21] Generated Node #0,3,0: 75:[94, 21] Operation: 95-74=21 Exploring Operation: 94-74=20, Resulting Numbers: [95, 20] Generated Node #0,3,1: 75:[95, 20] Operation: 94-74=20 Exploring Operation: 74+95=169, Resulting Numbers: [94, 169] Generated Node #0,3,2: 75:[94, 169] Operation: 74+95=169 Exploring Operation: 95-94=1, Resulting Numbers: [74, 1] Generated Node #0,3,3: 75:[74, 1] Operation: 95-94=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[74, 1], Operations: ['43+51=94', '95-94=1'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,75 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[43, 74, 51, 95], Operations: [] Exploring Operation: 43+51=94, Resulting Numbers: [74, 95, 94] Generated Node #0,3: 75:[74, 95, 94] Operation: 43+51=94 Moving to Node #0,3 Current State: 75:[74, 95, 94], Operations: ['43+51=94'] Exploring Operation: 95-94=1, Resulting Numbers: [74, 1] Generated Node #0,3,3: 75:[74, 1] Operation: 95-94=1 Moving to Node #0,3,3 Current State: 75:[74, 1], Operations: ['43+51=94', '95-94=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 86, 36, 90, 48 ]
80
[ "86+36=122", "90-48=42", "122-42=80" ]
Current State: 80:[86, 36, 90, 48], Operations: [] Exploring Operation: 86+36=122, Resulting Numbers: [90, 48, 122] Generated Node #2: [90, 48, 122] from Operation: 86+36=122 Current State: 80:[90, 48, 122], Operations: ['86+36=122'] Exploring Operation: 90-48=42, Resulting Numbers: [122, 42] Generated Node #3: [122, 42] from Operation: 90-48=42 Current State: 80:[122, 42], Operations: ['86+36=122', '90-48=42'] Exploring Operation: 122-42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[86, 36, 90, 48], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [86, 36, 42] Generated Node #0,0: 80:[86, 36, 42] Operation: 90-48=42 Exploring Operation: 90-86=4, Resulting Numbers: [36, 48, 4] Generated Node #0,1: 80:[36, 48, 4] Operation: 90-86=4 Exploring Operation: 86-48=38, Resulting Numbers: [36, 90, 38] Generated Node #0,2: 80:[36, 90, 38] Operation: 86-48=38 Exploring Operation: 48-36=12, Resulting Numbers: [86, 90, 12] Generated Node #0,3: 80:[86, 90, 12] Operation: 48-36=12 Exploring Operation: 36+48=84, Resulting Numbers: [86, 90, 84] Generated Node #0,4: 80:[86, 90, 84] Operation: 36+48=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[86, 36, 42], Operations: ['90-48=42'] Exploring Operation: 86-36=50, Resulting Numbers: [42, 50] Generated Node #0,0,0: 80:[42, 50] Operation: 86-36=50 Exploring Operation: 86-42=44, Resulting Numbers: [36, 44] Generated Node #0,0,1: 80:[36, 44] Operation: 86-42=44 Exploring Operation: 36+42=78, Resulting Numbers: [86, 78] Generated Node #0,0,2: 80:[86, 78] Operation: 36+42=78 Exploring Operation: 86+36=122, Resulting Numbers: [42, 122] Generated Node #0,0,3: 80:[42, 122] Operation: 86+36=122 Exploring Operation: 42-36=6, Resulting Numbers: [86, 6] Generated Node #0,0,4: 80:[86, 6] Operation: 42-36=6 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 80:[86, 6], Operations: ['90-48=42', '42-36=6'] Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,80 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[86, 36, 90, 48], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [86, 36, 42] Generated Node #0,0: 80:[86, 36, 42] Operation: 90-48=42 Moving to Node #0,0 Current State: 80:[86, 36, 42], Operations: ['90-48=42'] Exploring Operation: 42-36=6, Resulting Numbers: [86, 6] Generated Node #0,0,4: 80:[86, 6] Operation: 42-36=6 Moving to Node #0,0,4 Current State: 80:[86, 6], Operations: ['90-48=42', '42-36=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 21, 84, 16, 56 ]
45
[ "84*16=1344", "1344/56=24", "21+24=45" ]
Current State: 45:[21, 84, 16, 56], Operations: [] Exploring Operation: 84*16=1344, Resulting Numbers: [21, 56, 1344] Generated Node #2: [21, 56, 1344] from Operation: 84*16=1344 Current State: 45:[21, 56, 1344], Operations: ['84*16=1344'] Exploring Operation: 1344/56=24, Resulting Numbers: [21, 24] Generated Node #3: [21, 24] from Operation: 1344/56=24 Current State: 45:[21, 24], Operations: ['84*16=1344', '1344/56=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[21, 84, 16, 56], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [16, 56, 4] Generated Node #0,0: 45:[16, 56, 4] Operation: 84/21=4 Exploring Operation: 84-56=28, Resulting Numbers: [21, 16, 28] Generated Node #0,1: 45:[21, 16, 28] Operation: 84-56=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[16, 56, 4], Operations: ['84/21=4'] Exploring Operation: 56-16=40, Resulting Numbers: [4, 40] Generated Node #0,0,0: 45:[4, 40] Operation: 56-16=40 Exploring Operation: 56/4=14, Resulting Numbers: [16, 14] Generated Node #0,0,1: 45:[16, 14] Operation: 56/4=14 Moving to Node #0,0,1 Current State: 45:[16, 14], Operations: ['84/21=4', '56/4=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[4, 40], Operations: ['84/21=4', '56-16=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,45 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: 45:[21, 16, 28], Operations: ['84-56=28'] Exploring Operation: 21+28=49, Resulting Numbers: [16, 49] Generated Node #0,1,0: 45:[16, 49] Operation: 21+28=49 Exploring Operation: 28-21=7, Resulting Numbers: [16, 7] Generated Node #0,1,1: 45:[16, 7] Operation: 28-21=7 Moving to Node #0,1,1 Current State: 45:[16, 7], Operations: ['84-56=28', '28-21=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[16, 49], Operations: ['84-56=28', '21+28=49'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 16+49=65, Resulting Numbers: [65] 65,45 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
[ 73, 72, 68, 49 ]
18
[ "73-72=1", "68-49=19", "19-1=18" ]
Current State: 18:[73, 72, 68, 49], Operations: [] Exploring Operation: 73-72=1, Resulting Numbers: [68, 49, 1] Generated Node #2: [68, 49, 1] from Operation: 73-72=1 Current State: 18:[68, 49, 1], Operations: ['73-72=1'] Exploring Operation: 68-49=19, Resulting Numbers: [1, 19] Generated Node #3: [1, 19] from Operation: 68-49=19 Current State: 18:[1, 19], Operations: ['73-72=1', '68-49=19'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[73, 72, 68, 49], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [73, 49, 4] Generated Node #0,0: 18:[73, 49, 4] Operation: 72-68=4 Exploring Operation: 73-49=24, Resulting Numbers: [72, 68, 24] Generated Node #0,1: 18:[72, 68, 24] Operation: 73-49=24 Exploring Operation: 73-72=1, Resulting Numbers: [68, 49, 1] Generated Node #0,2: 18:[68, 49, 1] Operation: 73-72=1 Exploring Operation: 73-68=5, Resulting Numbers: [72, 49, 5] Generated Node #0,3: 18:[72, 49, 5] Operation: 73-68=5 Moving to Node #0,2 Current State: 18:[68, 49, 1], Operations: ['73-72=1'] Exploring Operation: 68-49=19, Resulting Numbers: [1, 19] Generated Node #0,2,0: 18:[1, 19] Operation: 68-49=19 Exploring Operation: 49-1=48, Resulting Numbers: [68, 48] Generated Node #0,2,1: 18:[68, 48] Operation: 49-1=48 Exploring Operation: 68*1=68, Resulting Numbers: [49, 68] Generated Node #0,2,2: 18:[49, 68] Operation: 68*1=68 Exploring Operation: 68-1=67, Resulting Numbers: [49, 67] Generated Node #0,2,3: 18:[49, 67] Operation: 68-1=67 Moving to Node #0,3 Current State: 18:[72, 49, 5], Operations: ['73-68=5'] Exploring Operation: 49-5=44, Resulting Numbers: [72, 44] Generated Node #0,3,0: 18:[72, 44] Operation: 49-5=44 Exploring Operation: 72+5=77, Resulting Numbers: [49, 77] Generated Node #0,3,1: 18:[49, 77] Operation: 72+5=77 Exploring Operation: 72-49=23, Resulting Numbers: [5, 23] Generated Node #0,3,2: 18:[5, 23] Operation: 72-49=23 Exploring Operation: 72-5=67, Resulting Numbers: [49, 67] Generated Node #0,3,3: 18:[49, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[5, 23], Operations: ['73-68=5', '72-49=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,18 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[73, 72, 68, 49], Operations: [] Exploring Operation: 73-68=5, Resulting Numbers: [72, 49, 5] Generated Node #0,3: 18:[72, 49, 5] Operation: 73-68=5 Moving to Node #0,3 Current State: 18:[72, 49, 5], Operations: ['73-68=5'] Exploring Operation: 72-49=23, Resulting Numbers: [5, 23] Generated Node #0,3,2: 18:[5, 23] Operation: 72-49=23 Moving to Node #0,3,2 Current State: 18:[5, 23], Operations: ['73-68=5', '72-49=23'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 51, 58, 45, 90 ]
80
[ "58*45=2610", "2610/90=29", "51+29=80" ]
Current State: 80:[51, 58, 45, 90], Operations: [] Exploring Operation: 58*45=2610, Resulting Numbers: [51, 90, 2610] Generated Node #2: [51, 90, 2610] from Operation: 58*45=2610 Current State: 80:[51, 90, 2610], Operations: ['58*45=2610'] Exploring Operation: 2610/90=29, Resulting Numbers: [51, 29] Generated Node #3: [51, 29] from Operation: 2610/90=29 Current State: 80:[51, 29], Operations: ['58*45=2610', '2610/90=29'] Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[51, 58, 45, 90], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [45, 90, 7] Generated Node #0,0: 80:[45, 90, 7] Operation: 58-51=7 Exploring Operation: 58-45=13, Resulting Numbers: [51, 90, 13] Generated Node #0,1: 80:[51, 90, 13] Operation: 58-45=13 Exploring Operation: 90-51=39, Resulting Numbers: [58, 45, 39] Generated Node #0,2: 80:[58, 45, 39] Operation: 90-51=39 Exploring Operation: 90-58=32, Resulting Numbers: [51, 45, 32] Generated Node #0,3: 80:[51, 45, 32] Operation: 90-58=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[45, 90, 7], Operations: ['58-51=7'] Exploring Operation: 90-45=45, Resulting Numbers: [7, 45] Generated Node #0,0,0: 80:[7, 45] Operation: 90-45=45 Exploring Operation: 90/45=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 80:[7, 2] Operation: 90/45=2 Exploring Operation: 90-7=83, Resulting Numbers: [45, 83] Generated Node #0,0,2: 80:[45, 83] Operation: 90-7=83 Exploring Operation: 45-7=38, Resulting Numbers: [90, 38] Generated Node #0,0,3: 80:[90, 38] Operation: 45-7=38 Moving to Node #0,0,1 Current State: 80:[7, 2], Operations: ['58-51=7', '90/45=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[7, 45], Operations: ['58-51=7', '90-45=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,80 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[45, 83], Operations: ['58-51=7', '90-7=83'] Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,80 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[90, 38], Operations: ['58-51=7', '45-7=38'] Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,80 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,80 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: 80:[51, 90, 13], Operations: ['58-45=13'] Exploring Operation: 51+13=64, Resulting Numbers: [90, 64] Generated Node #0,1,0: 80:[90, 64] Operation: 51+13=64 Exploring Operation: 90-51=39, Resulting Numbers: [13, 39] Generated Node #0,1,1: 80:[13, 39] Operation: 90-51=39 Exploring Operation: 51-13=38, Resulting Numbers: [90, 38] Generated Node #0,1,2: 80:[90, 38] Operation: 51-13=38 Exploring Operation: 90-13=77, Resulting Numbers: [51, 77] Generated Node #0,1,3: 80:[51, 77] Operation: 90-13=77 Moving to Node #0,1,1 Current State: 80:[13, 39], Operations: ['58-45=13', '90-51=39'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[90, 38], Operations: ['58-45=13', '51-13=38'] Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,80 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[51, 77], Operations: ['58-45=13', '90-13=77'] Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 51*77=3927, Resulting Numbers: [3927] 3927,80 unequal: No Solution Exploring Operation: 51+77=128, Resulting Numbers: [128] 128,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[90, 64], Operations: ['58-45=13', '51+13=64'] Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,80 unequal: No Solution Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,80 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: 80:[58, 45, 39], Operations: ['90-51=39'] Exploring Operation: 58+39=97, Resulting Numbers: [45, 97] Generated Node #0,2,0: 80:[45, 97] Operation: 58+39=97 Exploring Operation: 45-39=6, Resulting Numbers: [58, 6] Generated Node #0,2,1: 80:[58, 6] Operation: 45-39=6 Exploring Operation: 58-39=19, Resulting Numbers: [45, 19] Generated Node #0,2,2: 80:[45, 19] Operation: 58-39=19 Exploring Operation: 58-45=13, Resulting Numbers: [39, 13] Generated Node #0,2,3: 80:[39, 13] Operation: 58-45=13 Moving to Node #0,2,3 Current State: 80:[39, 13], Operations: ['90-51=39', '58-45=13'] Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,80 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[45, 19], Operations: ['90-51=39', '58-39=19'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,80 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[58, 6], Operations: ['90-51=39', '45-39=6'] Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[45, 97], Operations: ['90-51=39', '58+39=97'] Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,80 unequal: No Solution Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,80 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: 80:[51, 45, 32], Operations: ['90-58=32'] Exploring Operation: 51-45=6, Resulting Numbers: [32, 6] Generated Node #0,3,0: 80:[32, 6] Operation: 51-45=6 Exploring Operation: 45+32=77, Resulting Numbers: [51, 77] Generated Node #0,3,1: 80:[51, 77] Operation: 45+32=77 Exploring Operation: 51-32=19, Resulting Numbers: [45, 19] Generated Node #0,3,2: 80:[45, 19] Operation: 51-32=19 Exploring Operation: 51+32=83, Resulting Numbers: [45, 83] Generated Node #0,3,3: 80:[45, 83] Operation: 51+32=83 Moving to Node #0,3,2 Current State: 80:[45, 19], Operations: ['90-58=32', '51-32=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[45, 83], Operations: ['90-58=32', '51+32=83'] Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,80 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,80 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[32, 6], Operations: ['90-58=32', '51-45=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[51, 77], Operations: ['90-58=32', '45+32=77'] Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 51+77=128, Resulting Numbers: [128] 128,80 unequal: No Solution Exploring Operation: 51*77=3927, Resulting Numbers: [3927] 3927,80 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
[ 25, 5, 33, 92 ]
25
[ "25/5=5", "33+92=125", "125/5=25" ]
Current State: 25:[25, 5, 33, 92], Operations: [] Exploring Operation: 25/5=5, Resulting Numbers: [33, 92, 5] Generated Node #2: [33, 92, 5] from Operation: 25/5=5 Current State: 25:[33, 92, 5], Operations: ['25/5=5'] Exploring Operation: 33+92=125, Resulting Numbers: [5, 125] Generated Node #3: [5, 125] from Operation: 33+92=125 Current State: 25:[5, 125], Operations: ['25/5=5', '33+92=125'] Exploring Operation: 125/5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[25, 5, 33, 92], Operations: [] Exploring Operation: 92-5=87, Resulting Numbers: [25, 33, 87] Generated Node #0,0: 25:[25, 33, 87] Operation: 92-5=87 Exploring Operation: 33-25=8, Resulting Numbers: [5, 92, 8] Generated Node #0,1: 25:[5, 92, 8] Operation: 33-25=8 Exploring Operation: 33-5=28, Resulting Numbers: [25, 92, 28] Generated Node #0,2: 25:[25, 92, 28] Operation: 33-5=28 Exploring Operation: 92-25=67, Resulting Numbers: [5, 33, 67] Generated Node #0,3: 25:[5, 33, 67] Operation: 92-25=67 Exploring Operation: 92-33=59, Resulting Numbers: [25, 5, 59] Generated Node #0,4: 25:[25, 5, 59] Operation: 92-33=59 Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[25, 5, 59], Operations: ['92-33=59'] Exploring Operation: 25-5=20, Resulting Numbers: [59, 20] Generated Node #0,4,0: 25:[59, 20] Operation: 25-5=20 Exploring Operation: 25/5=5, Resulting Numbers: [59, 5] Generated Node #0,4,1: 25:[59, 5] Operation: 25/5=5 Exploring Operation: 59-25=34, Resulting Numbers: [5, 34] Generated Node #0,4,2: 25:[5, 34] Operation: 59-25=34 Exploring Operation: 59-5=54, Resulting Numbers: [25, 54] Generated Node #0,4,3: 25:[25, 54] Operation: 59-5=54 Exploring Operation: 25+5=30, Resulting Numbers: [59, 30] Generated Node #0,4,4: 25:[59, 30] Operation: 25+5=30 Moving to Node #0,4,2 Current State: 25:[5, 34], Operations: ['92-33=59', '59-25=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[25, 54], Operations: ['92-33=59', '59-5=54'] Exploring Operation: 25+54=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 25*54=1350, Resulting Numbers: [1350] 1350,25 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[59, 5], Operations: ['92-33=59', '25/5=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,25 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[59, 20], Operations: ['92-33=59', '25-5=20'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 59*20=1180, Resulting Numbers: [1180] 1180,25 unequal: No Solution Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[59, 30], Operations: ['92-33=59', '25+5=30'] Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,25 unequal: No Solution Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,25 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: 25:[5, 33, 67], Operations: ['92-25=67'] Exploring Operation: 33-5=28, Resulting Numbers: [67, 28] Generated Node #0,3,0: 25:[67, 28] Operation: 33-5=28 Exploring Operation: 5+67=72, Resulting Numbers: [33, 72] Generated Node #0,3,1: 25:[33, 72] Operation: 5+67=72 Exploring Operation: 67-5=62, Resulting Numbers: [33, 62] Generated Node #0,3,2: 25:[33, 62] Operation: 67-5=62 Exploring Operation: 5+33=38, Resulting Numbers: [67, 38] Generated Node #0,3,3: 25:[67, 38] Operation: 5+33=38 Exploring Operation: 67-33=34, Resulting Numbers: [5, 34] Generated Node #0,3,4: 25:[5, 34] Operation: 67-33=34 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 25:[5, 34], Operations: ['92-25=67', '67-33=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,25 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,25 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 #0,3,0 Current State: 25:[67, 28], Operations: ['92-25=67', '33-5=28'] Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,25 unequal: No Solution Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,25 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,25 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 #0,3,2 Current State: 25:[33, 62], Operations: ['92-25=67', '67-5=62'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 33*62=2046, Resulting Numbers: [2046] 2046,25 unequal: No Solution Exploring Operation: 33+62=95, Resulting Numbers: [95] 95,25 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 #0,3,1 Current State: 25:[33, 72], Operations: ['92-25=67', '5+67=72'] Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 33*72=2376, Resulting Numbers: [2376] 2376,25 unequal: No Solution Exploring Operation: 33+72=105, Resulting Numbers: [105] 105,25 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 #0,3,3 Current State: 25:[67, 38], Operations: ['92-25=67', '5+33=38'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,25 unequal: No Solution Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,25 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:[25, 33, 87], Operations: ['92-5=87'] Exploring Operation: 25+87=112, Resulting Numbers: [33, 112] Generated Node #0,0,0: 25:[33, 112] Operation: 25+87=112 Exploring Operation: 87-33=54, Resulting Numbers: [25, 54] Generated Node #0,0,1: 25:[25, 54] Operation: 87-33=54 Exploring Operation: 25+33=58, Resulting Numbers: [87, 58] Generated Node #0,0,2: 25:[87, 58] Operation: 25+33=58 Exploring Operation: 87-25=62, Resulting Numbers: [33, 62] Generated Node #0,0,3: 25:[33, 62] Operation: 87-25=62 Exploring Operation: 33-25=8, Resulting Numbers: [87, 8] Generated Node #0,0,4: 25:[87, 8] Operation: 33-25=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[25, 54], Operations: ['92-5=87', '87-33=54'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 25*54=1350, Resulting Numbers: [1350] 1350,25 unequal: No Solution Exploring Operation: 25+54=79, Resulting Numbers: [79] 79,25 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 #0,0,3 Current State: 25:[33, 62], Operations: ['92-5=87', '87-25=62'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 33*62=2046, Resulting Numbers: [2046] 2046,25 unequal: No Solution Exploring Operation: 33+62=95, Resulting Numbers: [95] 95,25 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 #0,0,4 Current State: 25:[87, 8], Operations: ['92-5=87', '33-25=8'] Exploring Operation: 87+8=95, Resulting Numbers: [95] 95,25 unequal: No Solution Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 87*8=696, Resulting Numbers: [696] 696,25 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 #0,0,0 Current State: 25:[33, 112], Operations: ['92-5=87', '25+87=112'] Exploring Operation: 33*112=3696, Resulting Numbers: [3696] 3696,25 unequal: No Solution Exploring Operation: 33+112=145, Resulting Numbers: [145] 145,25 unequal: No Solution Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,25 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:[87, 58], Operations: ['92-5=87', '25+33=58'] Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 87+58=145, Resulting Numbers: [145] 145,25 unequal: No Solution Exploring Operation: 87*58=5046, Resulting Numbers: [5046] 5046,25 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:[5, 92, 8], Operations: ['33-25=8'] Exploring Operation: 5+8=13, Resulting Numbers: [92, 13] Generated Node #0,1,0: 25:[92, 13] Operation: 5+8=13 Exploring Operation: 8-5=3, Resulting Numbers: [92, 3] Generated Node #0,1,1: 25:[92, 3] Operation: 8-5=3 Exploring Operation: 92-8=84, Resulting Numbers: [5, 84] Generated Node #0,1,2: 25:[5, 84] Operation: 92-8=84 Exploring Operation: 5+92=97, Resulting Numbers: [8, 97] Generated Node #0,1,3: 25:[8, 97] Operation: 5+92=97 Exploring Operation: 92-5=87, Resulting Numbers: [8, 87] Generated Node #0,1,4: 25:[8, 87] Operation: 92-5=87 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[5, 84], Operations: ['33-25=8', '92-8=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,25 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,25 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 #0,1,4 Current State: 25:[8, 87], Operations: ['33-25=8', '92-5=87'] Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 8+87=95, Resulting Numbers: [95] 95,25 unequal: No Solution Exploring Operation: 8*87=696, Resulting Numbers: [696] 696,25 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 #0,1,1 Current State: 25:[92, 3], Operations: ['33-25=8', '8-5=3'] Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,25 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,25 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,25 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 #0,1,0 Current State: 25:[92, 13], Operations: ['33-25=8', '5+8=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,25 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,25 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 #0,1,3 Current State: 25:[8, 97], Operations: ['33-25=8', '5+92=97'] Exploring Operation: 8+97=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,25 unequal: No Solution Exploring Operation: 8*97=776, Resulting Numbers: [776] 776,25 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 #0,2 Current State: 25:[25, 92, 28], Operations: ['33-5=28'] Exploring Operation: 92-25=67, Resulting Numbers: [28, 67] Generated Node #0,2,0: 25:[28, 67] Operation: 92-25=67 Exploring Operation: 25+28=53, Resulting Numbers: [92, 53] Generated Node #0,2,1: 25:[92, 53] Operation: 25+28=53 Exploring Operation: 25+92=117, Resulting Numbers: [28, 117] Generated Node #0,2,2: 25:[28, 117] Operation: 25+92=117 Exploring Operation: 28-25=3, Resulting Numbers: [92, 3] Generated Node #0,2,3: 25:[92, 3] Operation: 28-25=3 Exploring Operation: 92-28=64, Resulting Numbers: [25, 64] Generated Node #0,2,4: 25:[25, 64] Operation: 92-28=64 Moving to Node #0,2,4 Current State: 25:[25, 64], Operations: ['33-5=28', '92-28=64'] Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,25 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[28, 67], Operations: ['33-5=28', '92-25=67'] Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,25 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[92, 3], Operations: ['33-5=28', '28-25=3'] Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,25 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,25 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[92, 53], Operations: ['33-5=28', '25+28=53'] Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 92+53=145, Resulting Numbers: [145] 145,25 unequal: No Solution Exploring Operation: 92*53=4876, Resulting Numbers: [4876] 4876,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[28, 117], Operations: ['33-5=28', '25+92=117'] Exploring Operation: 28*117=3276, Resulting Numbers: [3276] 3276,25 unequal: No Solution Exploring Operation: 117-28=89, Resulting Numbers: [89] 89,25 unequal: No Solution Exploring Operation: 28+117=145, Resulting Numbers: [145] 145,25 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
[ 24, 44, 57, 78 ]
47
[ "24+44=68", "78-57=21", "68-21=47" ]
Current State: 47:[24, 44, 57, 78], Operations: [] Exploring Operation: 24+44=68, Resulting Numbers: [57, 78, 68] Generated Node #2: [57, 78, 68] from Operation: 24+44=68 Current State: 47:[57, 78, 68], Operations: ['24+44=68'] Exploring Operation: 78-57=21, Resulting Numbers: [68, 21] Generated Node #3: [68, 21] from Operation: 78-57=21 Current State: 47:[68, 21], Operations: ['24+44=68', '78-57=21'] Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[24, 44, 57, 78], Operations: [] Exploring Operation: 78-44=34, Resulting Numbers: [24, 57, 34] Generated Node #0,0: 47:[24, 57, 34] Operation: 78-44=34 Exploring Operation: 57-24=33, Resulting Numbers: [44, 78, 33] Generated Node #0,1: 47:[44, 78, 33] Operation: 57-24=33 Exploring Operation: 78-24=54, Resulting Numbers: [44, 57, 54] Generated Node #0,2: 47:[44, 57, 54] Operation: 78-24=54 Moving to Node #0,2 Current State: 47:[44, 57, 54], Operations: ['78-24=54'] Exploring Operation: 57-44=13, Resulting Numbers: [54, 13] Generated Node #0,2,0: 47:[54, 13] Operation: 57-44=13 Exploring Operation: 57-54=3, Resulting Numbers: [44, 3] Generated Node #0,2,1: 47:[44, 3] Operation: 57-54=3 Exploring Operation: 54-44=10, Resulting Numbers: [57, 10] Generated Node #0,2,2: 47:[57, 10] Operation: 54-44=10 Moving to Node #0,0 Current State: 47:[24, 57, 34], Operations: ['78-44=34'] Exploring Operation: 57-24=33, Resulting Numbers: [34, 33] Generated Node #0,0,0: 47:[34, 33] Operation: 57-24=33 Exploring Operation: 24+34=58, Resulting Numbers: [57, 58] Generated Node #0,0,1: 47:[57, 58] Operation: 24+34=58 Exploring Operation: 24+57=81, Resulting Numbers: [34, 81] Generated Node #0,0,2: 47:[34, 81] Operation: 24+57=81 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[57, 58], Operations: ['78-44=34', '24+34=58'] Exploring Operation: 57+58=115, Resulting Numbers: [115] 115,47 unequal: No Solution Exploring Operation: 57*58=3306, Resulting Numbers: [3306] 3306,47 unequal: No Solution Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,47 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: 47:[34, 33], Operations: ['78-44=34', '57-24=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,47 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: 47:[34, 81], Operations: ['78-44=34', '24+57=81'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[24, 44, 57, 78], Operations: [] Exploring Operation: 78-44=34, Resulting Numbers: [24, 57, 34] Generated Node #0,0: 47:[24, 57, 34] Operation: 78-44=34 Moving to Node #0,0 Current State: 47:[24, 57, 34], Operations: ['78-44=34'] Exploring Operation: 24+57=81, Resulting Numbers: [34, 81] Generated Node #0,0,2: 47:[34, 81] Operation: 24+57=81 Moving to Node #0,0,2 Current State: 47:[34, 81], Operations: ['78-44=34', '24+57=81'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
sum_heuristic
[ 52, 63, 99, 33 ]
73
[ "63*33=2079", "2079/99=21", "52+21=73" ]
Current State: 73:[52, 63, 99, 33], Operations: [] Exploring Operation: 63*33=2079, Resulting Numbers: [52, 99, 2079] Generated Node #2: [52, 99, 2079] from Operation: 63*33=2079 Current State: 73:[52, 99, 2079], Operations: ['63*33=2079'] Exploring Operation: 2079/99=21, Resulting Numbers: [52, 21] Generated Node #3: [52, 21] from Operation: 2079/99=21 Current State: 73:[52, 21], Operations: ['63*33=2079', '2079/99=21'] Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[52, 63, 99, 33], Operations: [] Exploring Operation: 52+33=85, Resulting Numbers: [63, 99, 85] Generated Node #0,0: 73:[63, 99, 85] Operation: 52+33=85 Exploring Operation: 99-33=66, Resulting Numbers: [52, 63, 66] Generated Node #0,1: 73:[52, 63, 66] Operation: 99-33=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[52, 63, 66], Operations: ['99-33=66'] Exploring Operation: 52+63=115, Resulting Numbers: [66, 115] Generated Node #0,1,0: 73:[66, 115] Operation: 52+63=115 Exploring Operation: 52+66=118, Resulting Numbers: [63, 118] Generated Node #0,1,1: 73:[63, 118] Operation: 52+66=118 Moving to Node #0,1,0 Current State: 73:[66, 115], Operations: ['99-33=66', '52+63=115'] Exploring Operation: 115-66=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 66+115=181, Resulting Numbers: [181] 181,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[63, 118], Operations: ['99-33=66', '52+66=118'] Exploring Operation: 118-63=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 63+118=181, Resulting Numbers: [181] 181,73 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 #0,0 Current State: 73:[63, 99, 85], Operations: ['52+33=85'] Exploring Operation: 99-63=36, Resulting Numbers: [85, 36] Generated Node #0,0,0: 73:[85, 36] Operation: 99-63=36 Exploring Operation: 99-85=14, Resulting Numbers: [63, 14] Generated Node #0,0,1: 73:[63, 14] Operation: 99-85=14 Moving to Node #0,0,0 Current State: 73:[85, 36], Operations: ['52+33=85', '99-63=36'] Exploring Operation: 85+36=121, Resulting Numbers: [121] 121,73 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[63, 14], Operations: ['52+33=85', '99-85=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,73 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 80, 44, 40, 15 ]
11
[ "80-44=36", "40-15=25", "36-25=11" ]
Current State: 11:[80, 44, 40, 15], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [40, 15, 36] Generated Node #2: [40, 15, 36] from Operation: 80-44=36 Current State: 11:[40, 15, 36], Operations: ['80-44=36'] Exploring Operation: 40-15=25, Resulting Numbers: [36, 25] Generated Node #3: [36, 25] from Operation: 40-15=25 Current State: 11:[36, 25], Operations: ['80-44=36', '40-15=25'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[80, 44, 40, 15], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [40, 15, 36] Generated Node #0,0: 11:[40, 15, 36] Operation: 80-44=36 Exploring Operation: 80/40=2, Resulting Numbers: [44, 15, 2] Generated Node #0,1: 11:[44, 15, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [44, 15, 40] Generated Node #0,2: 11:[44, 15, 40] Operation: 80-40=40 Moving to Node #0,1 Current State: 11:[44, 15, 2], Operations: ['80/40=2'] Exploring Operation: 44-2=42, Resulting Numbers: [15, 42] Generated Node #0,1,0: 11:[15, 42] Operation: 44-2=42 Exploring Operation: 44-15=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 11:[2, 29] Operation: 44-15=29 Exploring Operation: 44/2=22, Resulting Numbers: [15, 22] Generated Node #0,1,2: 11:[15, 22] Operation: 44/2=22 Moving to Node #0,0 Current State: 11:[40, 15, 36], Operations: ['80-44=36'] Exploring Operation: 36-15=21, Resulting Numbers: [40, 21] Generated Node #0,0,0: 11:[40, 21] Operation: 36-15=21 Exploring Operation: 40-36=4, Resulting Numbers: [15, 4] Generated Node #0,0,1: 11:[15, 4] Operation: 40-36=4 Exploring Operation: 40-15=25, Resulting Numbers: [36, 25] Generated Node #0,0,2: 11:[36, 25] Operation: 40-15=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[15, 4], Operations: ['80-44=36', '40-36=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[80, 44, 40, 15], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [40, 15, 36] Generated Node #0,0: 11:[40, 15, 36] Operation: 80-44=36 Moving to Node #0,0 Current State: 11:[40, 15, 36], Operations: ['80-44=36'] Exploring Operation: 40-36=4, Resulting Numbers: [15, 4] Generated Node #0,0,1: 11:[15, 4] Operation: 40-36=4 Moving to Node #0,0,1 Current State: 11:[15, 4], Operations: ['80-44=36', '40-36=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 74, 67, 76, 64 ]
94
[ "74*67=4958", "76*64=4864", "4958-4864=94" ]
Current State: 94:[74, 67, 76, 64], Operations: [] Exploring Operation: 74*67=4958, Resulting Numbers: [76, 64, 4958] Generated Node #2: [76, 64, 4958] from Operation: 74*67=4958 Current State: 94:[76, 64, 4958], Operations: ['74*67=4958'] Exploring Operation: 76*64=4864, Resulting Numbers: [4958, 4864] Generated Node #3: [4958, 4864] from Operation: 76*64=4864 Current State: 94:[4958, 4864], Operations: ['74*67=4958', '76*64=4864'] Exploring Operation: 4958-4864=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[74, 67, 76, 64], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [74, 76, 3] Generated Node #0,0: 94:[74, 76, 3] Operation: 67-64=3 Exploring Operation: 76-74=2, Resulting Numbers: [67, 64, 2] Generated Node #0,1: 94:[67, 64, 2] Operation: 76-74=2 Exploring Operation: 74-67=7, Resulting Numbers: [76, 64, 7] Generated Node #0,2: 94:[76, 64, 7] Operation: 74-67=7 Exploring Operation: 76-67=9, Resulting Numbers: [74, 64, 9] Generated Node #0,3: 94:[74, 64, 9] Operation: 76-67=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[67, 64, 2], Operations: ['76-74=2'] Exploring Operation: 64/2=32, Resulting Numbers: [67, 32] Generated Node #0,1,0: 94:[67, 32] Operation: 64/2=32 Exploring Operation: 67-2=65, Resulting Numbers: [64, 65] Generated Node #0,1,1: 94:[64, 65] Operation: 67-2=65 Exploring Operation: 67-64=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 94:[2, 3] Operation: 67-64=3 Exploring Operation: 64-2=62, Resulting Numbers: [67, 62] Generated Node #0,1,3: 94:[67, 62] Operation: 64-2=62 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[2, 3], Operations: ['76-74=2', '67-64=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,94 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,94 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: 94:[67, 32], Operations: ['76-74=2', '64/2=32'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,94 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,94 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: 94:[64, 65], Operations: ['76-74=2', '67-2=65'] Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,94 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,94 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: 94:[67, 62], Operations: ['76-74=2', '64-2=62'] Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,94 unequal: No Solution Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,94 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: 94:[74, 76, 3], Operations: ['67-64=3'] Exploring Operation: 74+3=77, Resulting Numbers: [76, 77] Generated Node #0,0,0: 94:[76, 77] Operation: 74+3=77 Exploring Operation: 76-74=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 94:[3, 2] Operation: 76-74=2 Exploring Operation: 76+3=79, Resulting Numbers: [74, 79] Generated Node #0,0,2: 94:[74, 79] Operation: 76+3=79 Exploring Operation: 74-3=71, Resulting Numbers: [76, 71] Generated Node #0,0,3: 94:[76, 71] Operation: 74-3=71 Moving to Node #0,0,1 Current State: 94:[3, 2], Operations: ['67-64=3', '76-74=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[74, 79], Operations: ['67-64=3', '76+3=79'] Exploring Operation: 74*79=5846, Resulting Numbers: [5846] 5846,94 unequal: No Solution Exploring Operation: 79-74=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 74+79=153, Resulting Numbers: [153] 153,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[76, 77], Operations: ['67-64=3', '74+3=77'] Exploring Operation: 76*77=5852, Resulting Numbers: [5852] 5852,94 unequal: No Solution Exploring Operation: 76+77=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,94 unequal: No Solution Moving to Node #0,0,3 Current State: 94:[76, 71], Operations: ['67-64=3', '74-3=71'] Exploring Operation: 76+71=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 76-71=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 76*71=5396, Resulting Numbers: [5396] 5396,94 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: 94:[76, 64, 7], Operations: ['74-67=7'] Exploring Operation: 64-7=57, Resulting Numbers: [76, 57] Generated Node #0,2,0: 94:[76, 57] Operation: 64-7=57 Exploring Operation: 76-64=12, Resulting Numbers: [7, 12] Generated Node #0,2,1: 94:[7, 12] Operation: 76-64=12 Exploring Operation: 76+7=83, Resulting Numbers: [64, 83] Generated Node #0,2,2: 94:[64, 83] Operation: 76+7=83 Exploring Operation: 76-7=69, Resulting Numbers: [64, 69] Generated Node #0,2,3: 94:[64, 69] Operation: 76-7=69 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[7, 12], Operations: ['74-67=7', '76-64=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,94 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: 94:[76, 57], Operations: ['74-67=7', '64-7=57'] Exploring Operation: 76*57=4332, Resulting Numbers: [4332] 4332,94 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 76+57=133, Resulting Numbers: [133] 133,94 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: 94:[64, 83], Operations: ['74-67=7', '76+7=83'] Exploring Operation: 64+83=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 64*83=5312, Resulting Numbers: [5312] 5312,94 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: 94:[64, 69], Operations: ['74-67=7', '76-7=69'] Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,94 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,94 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: 94:[74, 64, 9], Operations: ['76-67=9'] Exploring Operation: 74+9=83, Resulting Numbers: [64, 83] Generated Node #0,3,0: 94:[64, 83] Operation: 74+9=83 Exploring Operation: 64-9=55, Resulting Numbers: [74, 55] Generated Node #0,3,1: 94:[74, 55] Operation: 64-9=55 Exploring Operation: 74-9=65, Resulting Numbers: [64, 65] Generated Node #0,3,2: 94:[64, 65] Operation: 74-9=65 Exploring Operation: 74-64=10, Resulting Numbers: [9, 10] Generated Node #0,3,3: 94:[9, 10] Operation: 74-64=10 Moving to Node #0,3,3 Current State: 94:[9, 10], Operations: ['76-67=9', '74-64=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[74, 55], Operations: ['76-67=9', '64-9=55'] Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,94 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[64, 83], Operations: ['76-67=9', '74+9=83'] Exploring Operation: 64*83=5312, Resulting Numbers: [5312] 5312,94 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 64+83=147, Resulting Numbers: [147] 147,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[64, 65], Operations: ['76-67=9', '74-9=65'] Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,94 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 48, 94, 22, 44 ]
76
[ "48+94=142", "22+44=66", "142-66=76" ]
Current State: 76:[48, 94, 22, 44], Operations: [] Exploring Operation: 48+94=142, Resulting Numbers: [22, 44, 142] Generated Node #2: [22, 44, 142] from Operation: 48+94=142 Current State: 76:[22, 44, 142], Operations: ['48+94=142'] Exploring Operation: 22+44=66, Resulting Numbers: [142, 66] Generated Node #3: [142, 66] from Operation: 22+44=66 Current State: 76:[142, 66], Operations: ['48+94=142', '22+44=66'] Exploring Operation: 142-66=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[48, 94, 22, 44], Operations: [] Exploring Operation: 94-22=72, Resulting Numbers: [48, 44, 72] Generated Node #0,0: 76:[48, 44, 72] Operation: 94-22=72 Exploring Operation: 94-48=46, Resulting Numbers: [22, 44, 46] Generated Node #0,1: 76:[22, 44, 46] Operation: 94-48=46 Exploring Operation: 94-44=50, Resulting Numbers: [48, 22, 50] Generated Node #0,2: 76:[48, 22, 50] Operation: 94-44=50 Exploring Operation: 48-44=4, Resulting Numbers: [94, 22, 4] Generated Node #0,3: 76:[94, 22, 4] Operation: 48-44=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[22, 44, 46], Operations: ['94-48=46'] Exploring Operation: 44-22=22, Resulting Numbers: [46, 22] Generated Node #0,1,0: 76:[46, 22] Operation: 44-22=22 Exploring Operation: 46-22=24, Resulting Numbers: [44, 24] Generated Node #0,1,1: 76:[44, 24] Operation: 46-22=24 Exploring Operation: 44/22=2, Resulting Numbers: [46, 2] Generated Node #0,1,2: 76:[46, 2] Operation: 44/22=2 Exploring Operation: 46-44=2, Resulting Numbers: [22, 2] Generated Node #0,1,3: 76:[22, 2] Operation: 46-44=2 Moving to Node #0,1,3 Current State: 76:[22, 2], Operations: ['94-48=46', '46-44=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[46, 2], Operations: ['94-48=46', '44/22=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[44, 24], Operations: ['94-48=46', '46-22=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[46, 22], Operations: ['94-48=46', '44-22=22'] Exploring Operation: 46*22=1012, Resulting Numbers: [1012] 1012,76 unequal: No Solution Exploring Operation: 46+22=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,76 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: 76:[48, 44, 72], Operations: ['94-22=72'] Exploring Operation: 48+44=92, Resulting Numbers: [72, 92] Generated Node #0,0,0: 76:[72, 92] Operation: 48+44=92 Exploring Operation: 72-44=28, Resulting Numbers: [48, 28] Generated Node #0,0,1: 76:[48, 28] Operation: 72-44=28 Exploring Operation: 72-48=24, Resulting Numbers: [44, 24] Generated Node #0,0,2: 76:[44, 24] Operation: 72-48=24 Exploring Operation: 48-44=4, Resulting Numbers: [72, 4] Generated Node #0,0,3: 76:[72, 4] Operation: 48-44=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[72, 4], Operations: ['94-22=72', '48-44=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[48, 94, 22, 44], Operations: [] Exploring Operation: 94-22=72, Resulting Numbers: [48, 44, 72] Generated Node #0,0: 76:[48, 44, 72] Operation: 94-22=72 Moving to Node #0,0 Current State: 76:[48, 44, 72], Operations: ['94-22=72'] Exploring Operation: 48-44=4, Resulting Numbers: [72, 4] Generated Node #0,0,3: 76:[72, 4] Operation: 48-44=4 Moving to Node #0,0,3 Current State: 76:[72, 4], Operations: ['94-22=72', '48-44=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 24, 4, 9, 88 ]
32
[ "24*9=216", "216-88=128", "128/4=32" ]
Current State: 32:[24, 4, 9, 88], Operations: [] Exploring Operation: 24*9=216, Resulting Numbers: [4, 88, 216] Generated Node #2: [4, 88, 216] from Operation: 24*9=216 Current State: 32:[4, 88, 216], Operations: ['24*9=216'] Exploring Operation: 216-88=128, Resulting Numbers: [4, 128] Generated Node #3: [4, 128] from Operation: 216-88=128 Current State: 32:[4, 128], Operations: ['24*9=216', '216-88=128'] Exploring Operation: 128/4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[24, 4, 9, 88], Operations: [] Exploring Operation: 88/4=22, Resulting Numbers: [24, 9, 22] Generated Node #0,0: 32:[24, 9, 22] Operation: 88/4=22 Exploring Operation: 24-9=15, Resulting Numbers: [4, 88, 15] Generated Node #0,1: 32:[4, 88, 15] Operation: 24-9=15 Exploring Operation: 88-24=64, Resulting Numbers: [4, 9, 64] Generated Node #0,2: 32:[4, 9, 64] Operation: 88-24=64 Exploring Operation: 88-9=79, Resulting Numbers: [24, 4, 79] Generated Node #0,3: 32:[24, 4, 79] Operation: 88-9=79 Exploring Operation: 24+9=33, Resulting Numbers: [4, 88, 33] Generated Node #0,4: 32:[4, 88, 33] Operation: 24+9=33 Moving to Node #0,0 Current State: 32:[24, 9, 22], Operations: ['88/4=22'] Exploring Operation: 9+22=31, Resulting Numbers: [24, 31] Generated Node #0,0,0: 32:[24, 31] Operation: 9+22=31 Exploring Operation: 22-9=13, Resulting Numbers: [24, 13] Generated Node #0,0,1: 32:[24, 13] Operation: 22-9=13 Exploring Operation: 24+9=33, Resulting Numbers: [22, 33] Generated Node #0,0,2: 32:[22, 33] Operation: 24+9=33 Exploring Operation: 24-9=15, Resulting Numbers: [22, 15] Generated Node #0,0,3: 32:[22, 15] Operation: 24-9=15 Exploring Operation: 24-22=2, Resulting Numbers: [9, 2] Generated Node #0,0,4: 32:[9, 2] Operation: 24-22=2 Moving to Node #0,2 Current State: 32:[4, 9, 64], Operations: ['88-24=64'] Exploring Operation: 64/4=16, Resulting Numbers: [9, 16] Generated Node #0,2,0: 32:[9, 16] Operation: 64/4=16 Exploring Operation: 64-4=60, Resulting Numbers: [9, 60] Generated Node #0,2,1: 32:[9, 60] Operation: 64-4=60 Exploring Operation: 9-4=5, Resulting Numbers: [64, 5] Generated Node #0,2,2: 32:[64, 5] Operation: 9-4=5 Exploring Operation: 4+9=13, Resulting Numbers: [64, 13] Generated Node #0,2,3: 32:[64, 13] Operation: 4+9=13 Exploring Operation: 64-9=55, Resulting Numbers: [4, 55] Generated Node #0,2,4: 32:[4, 55] Operation: 64-9=55 Moving to Node #0,3 Current State: 32:[24, 4, 79], Operations: ['88-9=79'] Exploring Operation: 79-24=55, Resulting Numbers: [4, 55] Generated Node #0,3,0: 32:[4, 55] Operation: 79-24=55 Exploring Operation: 24+4=28, Resulting Numbers: [79, 28] Generated Node #0,3,1: 32:[79, 28] Operation: 24+4=28 Exploring Operation: 24/4=6, Resulting Numbers: [79, 6] Generated Node #0,3,2: 32:[79, 6] Operation: 24/4=6 Exploring Operation: 24-4=20, Resulting Numbers: [79, 20] Generated Node #0,3,3: 32:[79, 20] Operation: 24-4=20 Exploring Operation: 79-4=75, Resulting Numbers: [24, 75] Generated Node #0,3,4: 32:[24, 75] Operation: 79-4=75 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[4, 55], Operations: ['88-9=79', '79-24=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,32 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,32 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: 32:[79, 6], Operations: ['88-9=79', '24/4=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,32 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,32 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: 32:[79, 28], Operations: ['88-9=79', '24+4=28'] Exploring Operation: 79*28=2212, Resulting Numbers: [2212] 2212,32 unequal: No Solution Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 79+28=107, Resulting Numbers: [107] 107,32 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: 32:[79, 20], Operations: ['88-9=79', '24-4=20'] Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,32 unequal: No Solution Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,32 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: 32:[24, 75], Operations: ['88-9=79', '79-4=75'] Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,32 unequal: No Solution Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,32 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,32 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: 32:[4, 88, 15], Operations: ['24-9=15'] Exploring Operation: 4+15=19, Resulting Numbers: [88, 19] Generated Node #0,1,0: 32:[88, 19] Operation: 4+15=19 Exploring Operation: 88/4=22, Resulting Numbers: [15, 22] Generated Node #0,1,1: 32:[15, 22] Operation: 88/4=22 Exploring Operation: 88-4=84, Resulting Numbers: [15, 84] Generated Node #0,1,2: 32:[15, 84] Operation: 88-4=84 Exploring Operation: 88-15=73, Resulting Numbers: [4, 73] Generated Node #0,1,3: 32:[4, 73] Operation: 88-15=73 Exploring Operation: 15-4=11, Resulting Numbers: [88, 11] Generated Node #0,1,4: 32:[88, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[15, 22], Operations: ['24-9=15', '88/4=22'] Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,32 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,32 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: 32:[4, 73], Operations: ['24-9=15', '88-15=73'] Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,32 unequal: No Solution Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,32 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: 32:[15, 84], Operations: ['24-9=15', '88-4=84'] Exploring Operation: 15+84=99, Resulting Numbers: [99] 99,32 unequal: No Solution Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 15*84=1260, Resulting Numbers: [1260] 1260,32 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: 32:[88, 19], Operations: ['24-9=15', '4+15=19'] Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,32 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: 32:[88, 11], Operations: ['24-9=15', '15-4=11'] Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,32 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,32 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: 32:[4, 88, 33], Operations: ['24+9=33'] Exploring Operation: 33-4=29, Resulting Numbers: [88, 29] Generated Node #0,4,0: 32:[88, 29] Operation: 33-4=29 Exploring Operation: 88/4=22, Resulting Numbers: [33, 22] Generated Node #0,4,1: 32:[33, 22] Operation: 88/4=22 Exploring Operation: 88-33=55, Resulting Numbers: [4, 55] Generated Node #0,4,2: 32:[4, 55] Operation: 88-33=55 Exploring Operation: 4+88=92, Resulting Numbers: [33, 92] Generated Node #0,4,3: 32:[33, 92] Operation: 4+88=92 Exploring Operation: 88-4=84, Resulting Numbers: [33, 84] Generated Node #0,4,4: 32:[33, 84] Operation: 88-4=84 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 32:[33, 22], Operations: ['24+9=33', '88/4=22'] Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,32 unequal: No Solution Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,32 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,32 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: 32:[4, 55], Operations: ['24+9=33', '88-33=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,32 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: 32:[33, 84], Operations: ['24+9=33', '88-4=84'] Exploring Operation: 33+84=117, Resulting Numbers: [117] 117,32 unequal: No Solution Exploring Operation: 33*84=2772, Resulting Numbers: [2772] 2772,32 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,32 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: 32:[88, 29], Operations: ['24+9=33', '33-4=29'] Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,32 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,32 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: 32:[33, 92], Operations: ['24+9=33', '4+88=92'] Exploring Operation: 33*92=3036, Resulting Numbers: [3036] 3036,32 unequal: No Solution Exploring Operation: 33+92=125, Resulting Numbers: [125] 125,32 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 32:[9, 2], Operations: ['88/4=22', '24-22=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[9, 16], Operations: ['88-24=64', '64/4=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[22, 15], Operations: ['88/4=22', '24-9=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[22, 33], Operations: ['88/4=22', '24+9=33'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,32 unequal: No Solution Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[24, 31], Operations: ['88/4=22', '9+22=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,32 unequal: No Solution Exploring Operation: 24*31=744, Resulting Numbers: [744] 744,32 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[24, 13], Operations: ['88/4=22', '22-9=13'] Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,32 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[4, 55], Operations: ['88-24=64', '64-9=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,32 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[9, 60], Operations: ['88-24=64', '64-4=60'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[64, 5], Operations: ['88-24=64', '9-4=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[64, 13], Operations: ['88-24=64', '4+9=13'] Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 64+13=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 64*13=832, Resulting Numbers: [832] 832,32 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 88, 98, 47, 27 ]
30
[ "98-88=10", "47-27=20", "10+20=30" ]
Current State: 30:[88, 98, 47, 27], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [47, 27, 10] Generated Node #2: [47, 27, 10] from Operation: 98-88=10 Current State: 30:[47, 27, 10], Operations: ['98-88=10'] Exploring Operation: 47-27=20, Resulting Numbers: [10, 20] Generated Node #3: [10, 20] from Operation: 47-27=20 Current State: 30:[10, 20], Operations: ['98-88=10', '47-27=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[88, 98, 47, 27], Operations: [] Exploring Operation: 98-47=51, Resulting Numbers: [88, 27, 51] Generated Node #0,0: 30:[88, 27, 51] Operation: 98-47=51 Exploring Operation: 88-47=41, Resulting Numbers: [98, 27, 41] Generated Node #0,1: 30:[98, 27, 41] Operation: 88-47=41 Exploring Operation: 98-88=10, Resulting Numbers: [47, 27, 10] Generated Node #0,2: 30:[47, 27, 10] Operation: 98-88=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[47, 27, 10], Operations: ['98-88=10'] Exploring Operation: 27-10=17, Resulting Numbers: [47, 17] Generated Node #0,2,0: 30:[47, 17] Operation: 27-10=17 Exploring Operation: 47-10=37, Resulting Numbers: [27, 37] Generated Node #0,2,1: 30:[27, 37] Operation: 47-10=37 Exploring Operation: 47-27=20, Resulting Numbers: [10, 20] Generated Node #0,2,2: 30:[10, 20] Operation: 47-27=20 Moving to Node #0,2,2 Current State: 30:[10, 20], Operations: ['98-88=10', '47-27=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[88, 98, 47, 27], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [47, 27, 10] Generated Node #0,2: 30:[47, 27, 10] Operation: 98-88=10 Moving to Node #0,2 Current State: 30:[47, 27, 10], Operations: ['98-88=10'] Exploring Operation: 47-27=20, Resulting Numbers: [10, 20] Generated Node #0,2,2: 30:[10, 20] Operation: 47-27=20 Moving to Node #0,2,2 Current State: 30:[10, 20], Operations: ['98-88=10', '47-27=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 55, 21, 40, 8 ]
10
[ "55*8=440", "440/40=11", "21-11=10" ]
Current State: 10:[55, 21, 40, 8], Operations: [] Exploring Operation: 55*8=440, Resulting Numbers: [21, 40, 440] Generated Node #2: [21, 40, 440] from Operation: 55*8=440 Current State: 10:[21, 40, 440], Operations: ['55*8=440'] Exploring Operation: 440/40=11, Resulting Numbers: [21, 11] Generated Node #3: [21, 11] from Operation: 440/40=11 Current State: 10:[21, 11], Operations: ['55*8=440', '440/40=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[55, 21, 40, 8], Operations: [] Exploring Operation: 55-21=34, Resulting Numbers: [40, 8, 34] Generated Node #0,0: 10:[40, 8, 34] Operation: 55-21=34 Exploring Operation: 55-40=15, Resulting Numbers: [21, 8, 15] Generated Node #0,1: 10:[21, 8, 15] Operation: 55-40=15 Exploring Operation: 40-21=19, Resulting Numbers: [55, 8, 19] Generated Node #0,2: 10:[55, 8, 19] Operation: 40-21=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[21, 8, 15], Operations: ['55-40=15'] Exploring Operation: 15-8=7, Resulting Numbers: [21, 7] Generated Node #0,1,0: 10:[21, 7] Operation: 15-8=7 Exploring Operation: 21-15=6, Resulting Numbers: [8, 6] Generated Node #0,1,1: 10:[8, 6] Operation: 21-15=6 Exploring Operation: 21-8=13, Resulting Numbers: [15, 13] Generated Node #0,1,2: 10:[15, 13] Operation: 21-8=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 10:[8, 6], Operations: ['55-40=15', '21-15=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,10 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: 10:[15, 13], Operations: ['55-40=15', '21-8=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,10 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,10 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: 10:[21, 7], Operations: ['55-40=15', '15-8=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,10 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: 10:[40, 8, 34], Operations: ['55-21=34'] Exploring Operation: 40/8=5, Resulting Numbers: [34, 5] Generated Node #0,0,0: 10:[34, 5] Operation: 40/8=5 Exploring Operation: 40-34=6, Resulting Numbers: [8, 6] Generated Node #0,0,1: 10:[8, 6] Operation: 40-34=6 Exploring Operation: 40-8=32, Resulting Numbers: [34, 32] Generated Node #0,0,2: 10:[34, 32] Operation: 40-8=32 Moving to Node #0,0,1 Current State: 10:[8, 6], Operations: ['55-21=34', '40-34=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[34, 5], Operations: ['55-21=34', '40/8=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,10 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[34, 32], Operations: ['55-21=34', '40-8=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,10 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: 10:[55, 8, 19], Operations: ['40-21=19'] Exploring Operation: 55-19=36, Resulting Numbers: [8, 36] Generated Node #0,2,0: 10:[8, 36] Operation: 55-19=36 Exploring Operation: 19-8=11, Resulting Numbers: [55, 11] Generated Node #0,2,1: 10:[55, 11] Operation: 19-8=11 Exploring Operation: 55-8=47, Resulting Numbers: [19, 47] Generated Node #0,2,2: 10:[19, 47] Operation: 55-8=47 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 10:[8, 36], Operations: ['40-21=19', '55-19=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,10 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,10 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: 10:[55, 11], Operations: ['40-21=19', '19-8=11'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,10 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: 10:[19, 47], Operations: ['40-21=19', '55-8=47'] Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,10 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,10 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
[ 56, 15, 76, 58 ]
63
[ "56+15=71", "76+58=134", "134-71=63" ]
Current State: 63:[56, 15, 76, 58], Operations: [] Exploring Operation: 56+15=71, Resulting Numbers: [76, 58, 71] Generated Node #2: [76, 58, 71] from Operation: 56+15=71 Current State: 63:[76, 58, 71], Operations: ['56+15=71'] Exploring Operation: 76+58=134, Resulting Numbers: [71, 134] Generated Node #3: [71, 134] from Operation: 76+58=134 Current State: 63:[71, 134], Operations: ['56+15=71', '76+58=134'] Exploring Operation: 134-71=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[56, 15, 76, 58], Operations: [] Exploring Operation: 76-15=61, Resulting Numbers: [56, 58, 61] Generated Node #0,0: 63:[56, 58, 61] Operation: 76-15=61 Exploring Operation: 76-56=20, Resulting Numbers: [15, 58, 20] Generated Node #0,1: 63:[15, 58, 20] Operation: 76-56=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[15, 58, 20], Operations: ['76-56=20'] Exploring Operation: 20-15=5, Resulting Numbers: [58, 5] Generated Node #0,1,0: 63:[58, 5] Operation: 20-15=5 Exploring Operation: 15+58=73, Resulting Numbers: [20, 73] Generated Node #0,1,1: 63:[20, 73] Operation: 15+58=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[58, 5], Operations: ['76-56=20', '20-15=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,63 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[56, 15, 76, 58], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [15, 58, 20] Generated Node #0,1: 63:[15, 58, 20] Operation: 76-56=20 Moving to Node #0,1 Current State: 63:[15, 58, 20], Operations: ['76-56=20'] Exploring Operation: 20-15=5, Resulting Numbers: [58, 5] Generated Node #0,1,0: 63:[58, 5] Operation: 20-15=5 Moving to Node #0,1,0 Current State: 63:[58, 5], Operations: ['76-56=20', '20-15=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 53, 30, 21, 98 ]
49
[ "53-30=23", "23-21=2", "98/2=49" ]
Current State: 49:[53, 30, 21, 98], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [21, 98, 23] Generated Node #2: [21, 98, 23] from Operation: 53-30=23 Current State: 49:[21, 98, 23], Operations: ['53-30=23'] Exploring Operation: 23-21=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 23-21=2 Current State: 49:[98, 2], Operations: ['53-30=23', '23-21=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[53, 30, 21, 98], Operations: [] Exploring Operation: 98-53=45, Resulting Numbers: [30, 21, 45] Generated Node #0,0: 49:[30, 21, 45] Operation: 98-53=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[30, 21, 45], Operations: ['98-53=45'] Exploring Operation: 30+21=51, Resulting Numbers: [45, 51] Generated Node #0,0,0: 49:[45, 51] Operation: 30+21=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[45, 51], Operations: ['98-53=45', '30+21=51'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,49 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
[ 2, 40, 77, 11 ]
24
[ "2+40=42", "77-11=66", "66-42=24" ]
Current State: 24:[2, 40, 77, 11], Operations: [] Exploring Operation: 2+40=42, Resulting Numbers: [77, 11, 42] Generated Node #2: [77, 11, 42] from Operation: 2+40=42 Current State: 24:[77, 11, 42], Operations: ['2+40=42'] Exploring Operation: 77-11=66, Resulting Numbers: [42, 66] Generated Node #3: [42, 66] from Operation: 77-11=66 Current State: 24:[42, 66], Operations: ['2+40=42', '77-11=66'] Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[2, 40, 77, 11], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [2, 11, 37] Generated Node #0,0: 24:[2, 11, 37] Operation: 77-40=37 Exploring Operation: 77/11=7, Resulting Numbers: [2, 40, 7] Generated Node #0,1: 24:[2, 40, 7] Operation: 77/11=7 Moving to Node #0,0 Current State: 24:[2, 11, 37], Operations: ['77-40=37'] Exploring Operation: 37-11=26, Resulting Numbers: [2, 26] Generated Node #0,0,0: 24:[2, 26] Operation: 37-11=26 Exploring Operation: 37-2=35, Resulting Numbers: [11, 35] Generated Node #0,0,1: 24:[11, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[2, 26], Operations: ['77-40=37', '37-11=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[2, 40, 77, 11], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [2, 11, 37] Generated Node #0,0: 24:[2, 11, 37] Operation: 77-40=37 Moving to Node #0,0 Current State: 24:[2, 11, 37], Operations: ['77-40=37'] Exploring Operation: 37-11=26, Resulting Numbers: [2, 26] Generated Node #0,0,0: 24:[2, 26] Operation: 37-11=26 Moving to Node #0,0,0 Current State: 24:[2, 26], Operations: ['77-40=37', '37-11=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 57, 18, 35, 77 ]
33
[ "57+18=75", "77-35=42", "75-42=33" ]
Current State: 33:[57, 18, 35, 77], Operations: [] Exploring Operation: 57+18=75, Resulting Numbers: [35, 77, 75] Generated Node #2: [35, 77, 75] from Operation: 57+18=75 Current State: 33:[35, 77, 75], Operations: ['57+18=75'] Exploring Operation: 77-35=42, Resulting Numbers: [75, 42] Generated Node #3: [75, 42] from Operation: 77-35=42 Current State: 33:[75, 42], Operations: ['57+18=75', '77-35=42'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[57, 18, 35, 77], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [18, 35, 20] Generated Node #0,0: 33:[18, 35, 20] Operation: 77-57=20 Moving to Node #0,0 Current State: 33:[18, 35, 20], Operations: ['77-57=20'] Exploring Operation: 20-18=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['77-57=20', '20-18=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[57, 18, 35, 77], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [18, 35, 20] Generated Node #0,0: 33:[18, 35, 20] Operation: 77-57=20 Moving to Node #0,0 Current State: 33:[18, 35, 20], Operations: ['77-57=20'] Exploring Operation: 20-18=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['77-57=20', '20-18=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 57, 97, 1, 61 ]
93
[ "57+97=154", "1*61=61", "154-61=93" ]
Current State: 93:[57, 97, 1, 61], Operations: [] Exploring Operation: 57+97=154, Resulting Numbers: [1, 61, 154] Generated Node #2: [1, 61, 154] from Operation: 57+97=154 Current State: 93:[1, 61, 154], Operations: ['57+97=154'] Exploring Operation: 1*61=61, Resulting Numbers: [154, 61] Generated Node #3: [154, 61] from Operation: 1*61=61 Current State: 93:[154, 61], Operations: ['57+97=154', '1*61=61'] Exploring Operation: 154-61=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[57, 97, 1, 61], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [97, 1, 4] Generated Node #0,0: 93:[97, 1, 4] Operation: 61-57=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[97, 1, 4], Operations: ['61-57=4'] Exploring Operation: 97-4=93, Resulting Numbers: [1, 93] Generated Node #0,0,0: 93:[1, 93] Operation: 97-4=93 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[1, 93], Operations: ['61-57=4', '97-4=93'] Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[57, 97, 1, 61], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [97, 1, 4] Generated Node #0,0: 93:[97, 1, 4] Operation: 61-57=4 Moving to Node #0,0 Current State: 93:[97, 1, 4], Operations: ['61-57=4'] Exploring Operation: 97-4=93, Resulting Numbers: [1, 93] Generated Node #0,0,0: 93:[1, 93] Operation: 97-4=93 Moving to Node #0,0,0 Current State: 93:[1, 93], Operations: ['61-57=4', '97-4=93'] Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 6, 64, 80 ]
18
[ "30*64=1920", "1920/80=24", "24-6=18" ]
Current State: 18:[30, 6, 64, 80], Operations: [] Exploring Operation: 30*64=1920, Resulting Numbers: [6, 80, 1920] Generated Node #2: [6, 80, 1920] from Operation: 30*64=1920 Current State: 18:[6, 80, 1920], Operations: ['30*64=1920'] Exploring Operation: 1920/80=24, Resulting Numbers: [6, 24] Generated Node #3: [6, 24] from Operation: 1920/80=24 Current State: 18:[6, 24], Operations: ['30*64=1920', '1920/80=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[30, 6, 64, 80], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [30, 6, 16] Generated Node #0,0: 18:[30, 6, 16] Operation: 80-64=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[30, 6, 16], Operations: ['80-64=16'] Exploring Operation: 30/6=5, Resulting Numbers: [16, 5] Generated Node #0,0,0: 18:[16, 5] Operation: 30/6=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[16, 5], Operations: ['80-64=16', '30/6=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,18 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
[ 84, 63, 4, 26 ]
68
[ "84/4=21", "63+26=89", "89-21=68" ]
Current State: 68:[84, 63, 4, 26], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [63, 26, 21] Generated Node #2: [63, 26, 21] from Operation: 84/4=21 Current State: 68:[63, 26, 21], Operations: ['84/4=21'] Exploring Operation: 63+26=89, Resulting Numbers: [21, 89] Generated Node #3: [21, 89] from Operation: 63+26=89 Current State: 68:[21, 89], Operations: ['84/4=21', '63+26=89'] Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[84, 63, 4, 26], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [4, 26, 21] Generated Node #0,0: 68:[4, 26, 21] Operation: 84-63=21 Exploring Operation: 84-26=58, Resulting Numbers: [63, 4, 58] Generated Node #0,1: 68:[63, 4, 58] Operation: 84-26=58 Exploring Operation: 84/4=21, Resulting Numbers: [63, 26, 21] Generated Node #0,2: 68:[63, 26, 21] Operation: 84/4=21 Moving to Node #0,0 Current State: 68:[4, 26, 21], Operations: ['84-63=21'] Exploring Operation: 4+26=30, Resulting Numbers: [21, 30] Generated Node #0,0,0: 68:[21, 30] Operation: 4+26=30 Exploring Operation: 26-21=5, Resulting Numbers: [4, 5] Generated Node #0,0,1: 68:[4, 5] Operation: 26-21=5 Exploring Operation: 21-4=17, Resulting Numbers: [26, 17] Generated Node #0,0,2: 68:[26, 17] Operation: 21-4=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[4, 5], Operations: ['84-63=21', '26-21=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,68 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 #0,0,0 Current State: 68:[21, 30], Operations: ['84-63=21', '4+26=30'] Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,68 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,68 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 #0,0,2 Current State: 68:[26, 17], Operations: ['84-63=21', '21-4=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,68 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,68 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: 68:[63, 4, 58], Operations: ['84-26=58'] Exploring Operation: 4+58=62, Resulting Numbers: [63, 62] Generated Node #0,1,0: 68:[63, 62] Operation: 4+58=62 Exploring Operation: 63+4=67, Resulting Numbers: [58, 67] Generated Node #0,1,1: 68:[58, 67] Operation: 63+4=67 Exploring Operation: 63-58=5, Resulting Numbers: [4, 5] Generated Node #0,1,2: 68:[4, 5] Operation: 63-58=5 Moving to Node #0,2 Current State: 68:[63, 26, 21], Operations: ['84/4=21'] Exploring Operation: 63/21=3, Resulting Numbers: [26, 3] Generated Node #0,2,0: 68:[26, 3] Operation: 63/21=3 Exploring Operation: 63-26=37, Resulting Numbers: [21, 37] Generated Node #0,2,1: 68:[21, 37] Operation: 63-26=37 Exploring Operation: 26-21=5, Resulting Numbers: [63, 5] Generated Node #0,2,2: 68:[63, 5] Operation: 26-21=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[63, 5], Operations: ['84/4=21', '26-21=5'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,68 unequal: No Solution Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,68 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[84, 63, 4, 26], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [63, 26, 21] Generated Node #0,2: 68:[63, 26, 21] Operation: 84/4=21 Moving to Node #0,2 Current State: 68:[63, 26, 21], Operations: ['84/4=21'] Exploring Operation: 26-21=5, Resulting Numbers: [63, 5] Generated Node #0,2,2: 68:[63, 5] Operation: 26-21=5 Moving to Node #0,2,2 Current State: 68:[63, 5], Operations: ['84/4=21', '26-21=5'] Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 84, 28, 60, 95 ]
99
[ "84-28=56", "60+95=155", "155-56=99" ]
Current State: 99:[84, 28, 60, 95], Operations: [] Exploring Operation: 84-28=56, Resulting Numbers: [60, 95, 56] Generated Node #2: [60, 95, 56] from Operation: 84-28=56 Current State: 99:[60, 95, 56], Operations: ['84-28=56'] Exploring Operation: 60+95=155, Resulting Numbers: [56, 155] Generated Node #3: [56, 155] from Operation: 60+95=155 Current State: 99:[56, 155], Operations: ['84-28=56', '60+95=155'] Exploring Operation: 155-56=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[84, 28, 60, 95], Operations: [] Exploring Operation: 60-28=32, Resulting Numbers: [84, 95, 32] Generated Node #0,0: 99:[84, 95, 32] Operation: 60-28=32 Exploring Operation: 84-60=24, Resulting Numbers: [28, 95, 24] Generated Node #0,1: 99:[28, 95, 24] Operation: 84-60=24 Exploring Operation: 28+60=88, Resulting Numbers: [84, 95, 88] Generated Node #0,2: 99:[84, 95, 88] Operation: 28+60=88 Exploring Operation: 95-60=35, Resulting Numbers: [84, 28, 35] Generated Node #0,3: 99:[84, 28, 35] Operation: 95-60=35 Exploring Operation: 84/28=3, Resulting Numbers: [60, 95, 3] Generated Node #0,4: 99:[60, 95, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[28, 95, 24], Operations: ['84-60=24'] Exploring Operation: 95-24=71, Resulting Numbers: [28, 71] Generated Node #0,1,0: 99:[28, 71] Operation: 95-24=71 Exploring Operation: 28+24=52, Resulting Numbers: [95, 52] Generated Node #0,1,1: 99:[95, 52] Operation: 28+24=52 Exploring Operation: 95+24=119, Resulting Numbers: [28, 119] Generated Node #0,1,2: 99:[28, 119] Operation: 95+24=119 Exploring Operation: 28-24=4, Resulting Numbers: [95, 4] Generated Node #0,1,3: 99:[95, 4] Operation: 28-24=4 Exploring Operation: 28+95=123, Resulting Numbers: [24, 123] Generated Node #0,1,4: 99:[24, 123] Operation: 28+95=123 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[95, 4], Operations: ['84-60=24', '28-24=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[84, 28, 60, 95], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [28, 95, 24] Generated Node #0,1: 99:[28, 95, 24] Operation: 84-60=24 Moving to Node #0,1 Current State: 99:[28, 95, 24], Operations: ['84-60=24'] Exploring Operation: 28-24=4, Resulting Numbers: [95, 4] Generated Node #0,1,3: 99:[95, 4] Operation: 28-24=4 Moving to Node #0,1,3 Current State: 99:[95, 4], Operations: ['84-60=24', '28-24=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 38, 78, 2, 57 ]
40
[ "38/2=19", "78-57=21", "19+21=40" ]
Current State: 40:[38, 78, 2, 57], Operations: [] Exploring Operation: 38/2=19, Resulting Numbers: [78, 57, 19] Generated Node #2: [78, 57, 19] from Operation: 38/2=19 Current State: 40:[78, 57, 19], Operations: ['38/2=19'] Exploring Operation: 78-57=21, Resulting Numbers: [19, 21] Generated Node #3: [19, 21] from Operation: 78-57=21 Current State: 40:[19, 21], Operations: ['38/2=19', '78-57=21'] Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[38, 78, 2, 57], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [38, 2, 21] Generated Node #0,0: 40:[38, 2, 21] Operation: 78-57=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[38, 2, 21], Operations: ['78-57=21'] Exploring Operation: 38+2=40, Resulting Numbers: [21, 40] Generated Node #0,0,0: 40:[21, 40] Operation: 38+2=40 Moving to Node #0,0,0 Current State: 40:[21, 40], Operations: ['78-57=21', '38+2=40'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,40 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
[ 6, 9, 6, 4 ]
96
[ "6+4=10", "9*10=90", "6+90=96" ]
Current State: 96:[6, 9, 6, 4], Operations: [] Exploring Operation: 6+4=10, Resulting Numbers: [9, 10] Generated Node #2: [9, 10] from Operation: 6+4=10 Current State: 96:[9, 10], Operations: ['6+4=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,96 equal: Goal Reached Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[6, 9, 6, 4], Operations: [] Exploring Operation: 6+6=12, Resulting Numbers: [9, 4, 12] Generated Node #0,0: 96:[9, 4, 12] Operation: 6+6=12 Exploring Operation: 6*4=24, Resulting Numbers: [9, 6, 24] Generated Node #0,1: 96:[9, 6, 24] Operation: 6*4=24 Exploring Operation: 9-6=3, Resulting Numbers: [6, 4, 3] Generated Node #0,2: 96:[6, 4, 3] Operation: 9-6=3 Exploring Operation: 6+9=15, Resulting Numbers: [6, 4, 15] Generated Node #0,3: 96:[6, 4, 15] Operation: 6+9=15 Exploring Operation: 9-6=3, Resulting Numbers: [6, 4, 3] Generated Node #0,4: 96:[6, 4, 3] Operation: 9-6=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[6, 4, 3], Operations: ['9-6=3'] Exploring Operation: 6-3=3, Resulting Numbers: [4, 3] Generated Node #0,2,0: 96:[4, 3] Operation: 6-3=3 Exploring Operation: 4*3=12, Resulting Numbers: [6, 12] Generated Node #0,2,1: 96:[6, 12] Operation: 4*3=12 Exploring Operation: 6/3=2, Resulting Numbers: [4, 2] Generated Node #0,2,2: 96:[4, 2] Operation: 6/3=2 Exploring Operation: 6*4=24, Resulting Numbers: [3, 24] Generated Node #0,2,3: 96:[3, 24] Operation: 6*4=24 Exploring Operation: 6-4=2, Resulting Numbers: [3, 2] Generated Node #0,2,4: 96:[3, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[4, 3], Operations: ['9-6=3', '6-3=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 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: 96:[6, 12], Operations: ['9-6=3', '4*3=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,96 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: 96:[4, 2], Operations: ['9-6=3', '6/3=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,96 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: 96:[3, 24], Operations: ['9-6=3', '6*4=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 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: 96:[3, 2], Operations: ['9-6=3', '6-4=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,96 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: 96:[6, 4, 3], Operations: ['9-6=3'] Exploring Operation: 6*4=24, Resulting Numbers: [3, 24] Generated Node #0,4,0: 96:[3, 24] Operation: 6*4=24 Exploring Operation: 4*3=12, Resulting Numbers: [6, 12] Generated Node #0,4,1: 96:[6, 12] Operation: 4*3=12 Exploring Operation: 6/3=2, Resulting Numbers: [4, 2] Generated Node #0,4,2: 96:[4, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [4, 3] Generated Node #0,4,3: 96:[4, 3] Operation: 6-3=3 Exploring Operation: 6-4=2, Resulting Numbers: [3, 2] Generated Node #0,4,4: 96:[3, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 96:[3, 24], Operations: ['9-6=3', '6*4=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 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: 96:[6, 12], Operations: ['9-6=3', '4*3=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,96 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: 96:[4, 2], Operations: ['9-6=3', '6/3=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,96 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: 96:[4, 3], Operations: ['9-6=3', '6-3=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 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: 96:[3, 2], Operations: ['9-6=3', '6-4=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,96 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: 96:[9, 4, 12], Operations: ['6+6=12'] Exploring Operation: 4+12=16, Resulting Numbers: [9, 16] Generated Node #0,0,0: 96:[9, 16] Operation: 4+12=16 Exploring Operation: 4*12=48, Resulting Numbers: [9, 48] Generated Node #0,0,1: 96:[9, 48] Operation: 4*12=48 Exploring Operation: 12-9=3, Resulting Numbers: [4, 3] Generated Node #0,0,2: 96:[4, 3] Operation: 12-9=3 Exploring Operation: 9-4=5, Resulting Numbers: [12, 5] Generated Node #0,0,3: 96:[12, 5] Operation: 9-4=5 Exploring Operation: 9+4=13, Resulting Numbers: [12, 13] Generated Node #0,0,4: 96:[12, 13] Operation: 9+4=13 Moving to Node #0,0,2 Current State: 96:[4, 3], Operations: ['6+6=12', '12-9=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[9, 48], Operations: ['6+6=12', '4*12=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,96 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,96 unequal: No Solution Moving to Node #0,0,4 Current State: 96:[12, 13], Operations: ['6+6=12', '9+4=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[9, 16], Operations: ['6+6=12', '4+12=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,96 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[12, 5], Operations: ['6+6=12', '9-4=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 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: 96:[9, 6, 24], Operations: ['6*4=24'] Exploring Operation: 24-9=15, Resulting Numbers: [6, 15] Generated Node #0,1,0: 96:[6, 15] Operation: 24-9=15 Exploring Operation: 9+6=15, Resulting Numbers: [24, 15] Generated Node #0,1,1: 96:[24, 15] Operation: 9+6=15 Exploring Operation: 9-6=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 96:[24, 3] Operation: 9-6=3 Exploring Operation: 9+24=33, Resulting Numbers: [6, 33] Generated Node #0,1,3: 96:[6, 33] Operation: 9+24=33 Exploring Operation: 24/6=4, Resulting Numbers: [9, 4] Generated Node #0,1,4: 96:[9, 4] Operation: 24/6=4 Moving to Node #0,1,2 Current State: 96:[24, 3], Operations: ['6*4=24', '9-6=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[24, 15], Operations: ['6*4=24', '9+6=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,96 unequal: No Solution Moving to Node #0,1,4 Current State: 96:[9, 4], Operations: ['6*4=24', '24/6=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[6, 15], Operations: ['6*4=24', '24-9=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[6, 33], Operations: ['6*4=24', '9+24=33'] Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,96 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,96 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: 96:[6, 4, 15], Operations: ['6+9=15'] Exploring Operation: 15-4=11, Resulting Numbers: [6, 11] Generated Node #0,3,0: 96:[6, 11] Operation: 15-4=11 Exploring Operation: 15-6=9, Resulting Numbers: [4, 9] Generated Node #0,3,1: 96:[4, 9] Operation: 15-6=9 Exploring Operation: 6+4=10, Resulting Numbers: [15, 10] Generated Node #0,3,2: 96:[15, 10] Operation: 6+4=10 Exploring Operation: 6*4=24, Resulting Numbers: [15, 24] Generated Node #0,3,3: 96:[15, 24] Operation: 6*4=24 Exploring Operation: 6-4=2, Resulting Numbers: [15, 2] Generated Node #0,3,4: 96:[15, 2] Operation: 6-4=2 Moving to Node #0,3,0 Current State: 96:[6, 11], Operations: ['6+9=15', '15-4=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,96 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[15, 24], Operations: ['6+9=15', '6*4=24'] Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,96 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[4, 9], Operations: ['6+9=15', '15-6=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[15, 2], Operations: ['6+9=15', '6-4=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[15, 10], Operations: ['6+9=15', '6+4=10'] Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,96 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,96 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
[ 9, 60, 46, 30 ]
35
[ "60-9=51", "46-30=16", "51-16=35" ]
Current State: 35:[9, 60, 46, 30], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [46, 30, 51] Generated Node #2: [46, 30, 51] from Operation: 60-9=51 Current State: 35:[46, 30, 51], Operations: ['60-9=51'] Exploring Operation: 46-30=16, Resulting Numbers: [51, 16] Generated Node #3: [51, 16] from Operation: 46-30=16 Current State: 35:[51, 16], Operations: ['60-9=51', '46-30=16'] Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[9, 60, 46, 30], Operations: [] Exploring Operation: 60-46=14, Resulting Numbers: [9, 30, 14] Generated Node #0,0: 35:[9, 30, 14] Operation: 60-46=14 Moving to Node #0,0 Current State: 35:[9, 30, 14], Operations: ['60-46=14'] Exploring Operation: 14-9=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 35:[30, 5] Operation: 14-9=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[30, 5], Operations: ['60-46=14', '14-9=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[9, 60, 46, 30], Operations: [] Exploring Operation: 60-46=14, Resulting Numbers: [9, 30, 14] Generated Node #0,0: 35:[9, 30, 14] Operation: 60-46=14 Moving to Node #0,0 Current State: 35:[9, 30, 14], Operations: ['60-46=14'] Exploring Operation: 14-9=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 35:[30, 5] Operation: 14-9=5 Moving to Node #0,0,0 Current State: 35:[30, 5], Operations: ['60-46=14', '14-9=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 3, 61, 63, 60 ]
100
[ "63/3=21", "61+60=121", "121-21=100" ]
Current State: 100:[3, 61, 63, 60], Operations: [] Exploring Operation: 63/3=21, Resulting Numbers: [61, 60, 21] Generated Node #2: [61, 60, 21] from Operation: 63/3=21 Current State: 100:[61, 60, 21], Operations: ['63/3=21'] Exploring Operation: 61+60=121, Resulting Numbers: [21, 121] Generated Node #3: [21, 121] from Operation: 61+60=121 Current State: 100:[21, 121], Operations: ['63/3=21', '61+60=121'] Exploring Operation: 121-21=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[3, 61, 63, 60], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [3, 60, 2] Generated Node #0,0: 100:[3, 60, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[3, 60, 2], Operations: ['63-61=2'] Exploring Operation: 60/3=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 100:[2, 20] Operation: 60/3=20 Moving to Node #0,0,0 Current State: 100:[2, 20], Operations: ['63-61=2', '60/3=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,100 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
[ 15, 34, 10, 13 ]
99
[ "15-10=5", "13*5=65", "34+65=99" ]
Current State: 99:[15, 34, 10, 13], Operations: [] Exploring Operation: 15-10=5, Resulting Numbers: [34, 13, 5] Generated Node #2: [34, 13, 5] from Operation: 15-10=5 Current State: 99:[34, 13, 5], Operations: ['15-10=5'] Exploring Operation: 13*5=65, Resulting Numbers: [34, 65] Generated Node #3: [34, 65] from Operation: 13*5=65 Current State: 99:[34, 65], Operations: ['15-10=5', '13*5=65'] Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[15, 34, 10, 13], Operations: [] Exploring Operation: 13-10=3, Resulting Numbers: [15, 34, 3] Generated Node #0,0: 99:[15, 34, 3] Operation: 13-10=3 Exploring Operation: 15+13=28, Resulting Numbers: [34, 10, 28] Generated Node #0,1: 99:[34, 10, 28] Operation: 15+13=28 Exploring Operation: 34-15=19, Resulting Numbers: [10, 13, 19] Generated Node #0,2: 99:[10, 13, 19] Operation: 34-15=19 Exploring Operation: 15-13=2, Resulting Numbers: [34, 10, 2] Generated Node #0,3: 99:[34, 10, 2] Operation: 15-13=2 Exploring Operation: 15-10=5, Resulting Numbers: [34, 13, 5] Generated Node #0,4: 99:[34, 13, 5] Operation: 15-10=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[34, 10, 2], Operations: ['15-13=2'] Exploring Operation: 34+2=36, Resulting Numbers: [10, 36] Generated Node #0,3,0: 99:[10, 36] Operation: 34+2=36 Exploring Operation: 34-2=32, Resulting Numbers: [10, 32] Generated Node #0,3,1: 99:[10, 32] Operation: 34-2=32 Exploring Operation: 10-2=8, Resulting Numbers: [34, 8] Generated Node #0,3,2: 99:[34, 8] Operation: 10-2=8 Exploring Operation: 10+2=12, Resulting Numbers: [34, 12] Generated Node #0,3,3: 99:[34, 12] Operation: 10+2=12 Exploring Operation: 10/2=5, Resulting Numbers: [34, 5] Generated Node #0,3,4: 99:[34, 5] Operation: 10/2=5 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 99:[10, 32], Operations: ['15-13=2', '34-2=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,99 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,99 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: 99:[34, 8], Operations: ['15-13=2', '10-2=8'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,99 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,99 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: 99:[34, 12], Operations: ['15-13=2', '10+2=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,99 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,99 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: 99:[34, 5], Operations: ['15-13=2', '10/2=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,99 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,99 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: 99:[10, 36], Operations: ['15-13=2', '34+2=36'] Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,99 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,99 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,99 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: 99:[15, 34, 3], Operations: ['13-10=3'] Exploring Operation: 15/3=5, Resulting Numbers: [34, 5] Generated Node #0,0,0: 99:[34, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [34, 12] Generated Node #0,0,1: 99:[34, 12] Operation: 15-3=12 Exploring Operation: 34-3=31, Resulting Numbers: [15, 31] Generated Node #0,0,2: 99:[15, 31] Operation: 34-3=31 Exploring Operation: 34-15=19, Resulting Numbers: [3, 19] Generated Node #0,0,3: 99:[3, 19] Operation: 34-15=19 Exploring Operation: 34*3=102, Resulting Numbers: [15, 102] Generated Node #0,0,4: 99:[15, 102] Operation: 34*3=102 Moving to Node #0,0,1 Current State: 99:[34, 12], Operations: ['13-10=3', '15-3=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,99 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[34, 5], Operations: ['13-10=3', '15/3=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,99 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,99 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[15, 31], Operations: ['13-10=3', '34-3=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,99 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,99 unequal: No Solution Moving to Node #0,0,4 Current State: 99:[15, 102], Operations: ['13-10=3', '34*3=102'] Exploring Operation: 102-15=87, Resulting Numbers: [87] 87,99 unequal: No Solution Exploring Operation: 15*102=1530, Resulting Numbers: [1530] 1530,99 unequal: No Solution Exploring Operation: 15+102=117, Resulting Numbers: [117] 117,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[3, 19], Operations: ['13-10=3', '34-15=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,99 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 Current State: 99:[34, 13, 5], Operations: ['15-10=5'] Exploring Operation: 34+5=39, Resulting Numbers: [13, 39] Generated Node #0,4,0: 99:[13, 39] Operation: 34+5=39 Exploring Operation: 13+5=18, Resulting Numbers: [34, 18] Generated Node #0,4,1: 99:[34, 18] Operation: 13+5=18 Exploring Operation: 34-5=29, Resulting Numbers: [13, 29] Generated Node #0,4,2: 99:[13, 29] Operation: 34-5=29 Exploring Operation: 34-13=21, Resulting Numbers: [5, 21] Generated Node #0,4,3: 99:[5, 21] Operation: 34-13=21 Exploring Operation: 13-5=8, Resulting Numbers: [34, 8] Generated Node #0,4,4: 99:[34, 8] Operation: 13-5=8 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 99:[34, 8], Operations: ['15-10=5', '13-5=8'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,99 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,99 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: 99:[13, 29], Operations: ['15-10=5', '34-5=29'] Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,99 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,99 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: 99:[13, 39], Operations: ['15-10=5', '34+5=39'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,99 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,99 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: 99:[34, 18], Operations: ['15-10=5', '13+5=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,99 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,99 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: 99:[5, 21], Operations: ['15-10=5', '34-13=21'] Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,99 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: 99:[34, 10, 28], Operations: ['15+13=28'] Exploring Operation: 34-28=6, Resulting Numbers: [10, 6] Generated Node #0,1,0: 99:[10, 6] Operation: 34-28=6 Exploring Operation: 34-10=24, Resulting Numbers: [28, 24] Generated Node #0,1,1: 99:[28, 24] Operation: 34-10=24 Exploring Operation: 28-10=18, Resulting Numbers: [34, 18] Generated Node #0,1,2: 99:[34, 18] Operation: 28-10=18 Exploring Operation: 10+28=38, Resulting Numbers: [34, 38] Generated Node #0,1,3: 99:[34, 38] Operation: 10+28=38 Exploring Operation: 34+10=44, Resulting Numbers: [28, 44] Generated Node #0,1,4: 99:[28, 44] Operation: 34+10=44 Moving to Node #0,1,0 Current State: 99:[10, 6], Operations: ['15+13=28', '34-28=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[34, 38], Operations: ['15+13=28', '10+28=38'] Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[34, 18], Operations: ['15+13=28', '28-10=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,99 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[28, 24], Operations: ['15+13=28', '34-10=24'] Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,99 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[28, 44], Operations: ['15+13=28', '34+10=44'] Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,99 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,99 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: 99:[10, 13, 19], Operations: ['34-15=19'] Exploring Operation: 13+19=32, Resulting Numbers: [10, 32] Generated Node #0,2,0: 99:[10, 32] Operation: 13+19=32 Exploring Operation: 19-13=6, Resulting Numbers: [10, 6] Generated Node #0,2,1: 99:[10, 6] Operation: 19-13=6 Exploring Operation: 10+19=29, Resulting Numbers: [13, 29] Generated Node #0,2,2: 99:[13, 29] Operation: 10+19=29 Exploring Operation: 13-10=3, Resulting Numbers: [19, 3] Generated Node #0,2,3: 99:[19, 3] Operation: 13-10=3 Exploring Operation: 19-10=9, Resulting Numbers: [13, 9] Generated Node #0,2,4: 99:[13, 9] Operation: 19-10=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[10, 32], Operations: ['34-15=19', '13+19=32'] Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,99 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,99 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: 99:[13, 9], Operations: ['34-15=19', '19-10=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,99 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: 99:[10, 6], Operations: ['34-15=19', '19-13=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,99 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: 99:[13, 29], Operations: ['34-15=19', '10+19=29'] Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,99 unequal: No Solution Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,99 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: 99:[19, 3], Operations: ['34-15=19', '13-10=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,99 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
[ 87, 51, 18, 48 ]
81
[ "51-48=3", "18/3=6", "87-6=81" ]
Current State: 81:[87, 51, 18, 48], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [87, 18, 3] Generated Node #2: [87, 18, 3] from Operation: 51-48=3 Current State: 81:[87, 18, 3], Operations: ['51-48=3'] Exploring Operation: 18/3=6, Resulting Numbers: [87, 6] Generated Node #3: [87, 6] from Operation: 18/3=6 Current State: 81:[87, 6], Operations: ['51-48=3', '18/3=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[87, 51, 18, 48], Operations: [] Exploring Operation: 48-18=30, Resulting Numbers: [87, 51, 30] Generated Node #0,0: 81:[87, 51, 30] Operation: 48-18=30 Exploring Operation: 51-48=3, Resulting Numbers: [87, 18, 3] Generated Node #0,1: 81:[87, 18, 3] Operation: 51-48=3 Exploring Operation: 51-18=33, Resulting Numbers: [87, 48, 33] Generated Node #0,2: 81:[87, 48, 33] Operation: 51-18=33 Exploring Operation: 87-51=36, Resulting Numbers: [18, 48, 36] Generated Node #0,3: 81:[18, 48, 36] Operation: 87-51=36 Exploring Operation: 51+48=99, Resulting Numbers: [87, 18, 99] Generated Node #0,4: 81:[87, 18, 99] Operation: 51+48=99 Moving to Node #0,1 Current State: 81:[87, 18, 3], Operations: ['51-48=3'] Exploring Operation: 87-3=84, Resulting Numbers: [18, 84] Generated Node #0,1,0: 81:[18, 84] Operation: 87-3=84 Exploring Operation: 87-18=69, Resulting Numbers: [3, 69] Generated Node #0,1,1: 81:[3, 69] Operation: 87-18=69 Exploring Operation: 18/3=6, Resulting Numbers: [87, 6] Generated Node #0,1,2: 81:[87, 6] Operation: 18/3=6 Exploring Operation: 18+3=21, Resulting Numbers: [87, 21] Generated Node #0,1,3: 81:[87, 21] Operation: 18+3=21 Exploring Operation: 87/3=29, Resulting Numbers: [18, 29] Generated Node #0,1,4: 81:[18, 29] Operation: 87/3=29 Moving to Node #0,2 Current State: 81:[87, 48, 33], Operations: ['51-18=33'] Exploring Operation: 48+33=81, Resulting Numbers: [87, 81] Generated Node #0,2,0: 81:[87, 81] Operation: 48+33=81 Exploring Operation: 48-33=15, Resulting Numbers: [87, 15] Generated Node #0,2,1: 81:[87, 15] Operation: 48-33=15 Exploring Operation: 87-33=54, Resulting Numbers: [48, 54] Generated Node #0,2,2: 81:[48, 54] Operation: 87-33=54 Exploring Operation: 87+48=135, Resulting Numbers: [33, 135] Generated Node #0,2,3: 81:[33, 135] Operation: 87+48=135 Exploring Operation: 87-48=39, Resulting Numbers: [33, 39] Generated Node #0,2,4: 81:[33, 39] Operation: 87-48=39 Moving to Node #0,0 Current State: 81:[87, 51, 30], Operations: ['48-18=30'] Exploring Operation: 51-30=21, Resulting Numbers: [87, 21] Generated Node #0,0,0: 81:[87, 21] Operation: 51-30=21 Exploring Operation: 51+30=81, Resulting Numbers: [87, 81] Generated Node #0,0,1: 81:[87, 81] Operation: 51+30=81 Exploring Operation: 87+51=138, Resulting Numbers: [30, 138] Generated Node #0,0,2: 81:[30, 138] Operation: 87+51=138 Exploring Operation: 87-51=36, Resulting Numbers: [30, 36] Generated Node #0,0,3: 81:[30, 36] Operation: 87-51=36 Exploring Operation: 87-30=57, Resulting Numbers: [51, 57] Generated Node #0,0,4: 81:[51, 57] Operation: 87-30=57 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[87, 81], Operations: ['48-18=30', '51+30=81'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,81 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,81 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 #0,0,0 Current State: 81:[87, 21], Operations: ['48-18=30', '51-30=21'] Exploring Operation: 87*21=1827, Resulting Numbers: [1827] 1827,81 unequal: No Solution Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,81 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 #0,0,3 Current State: 81:[30, 36], Operations: ['48-18=30', '87-51=36'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,81 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 #0,0,4 Current State: 81:[51, 57], Operations: ['48-18=30', '87-30=57'] Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,81 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,81 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 #0,0,2 Current State: 81:[30, 138], Operations: ['48-18=30', '87+51=138'] Exploring Operation: 30*138=4140, Resulting Numbers: [4140] 4140,81 unequal: No Solution Exploring Operation: 30+138=168, Resulting Numbers: [168] 168,81 unequal: No Solution Exploring Operation: 138-30=108, Resulting Numbers: [108] 108,81 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: 81:[87, 18, 99], Operations: ['51+48=99'] Exploring Operation: 87+18=105, Resulting Numbers: [99, 105] Generated Node #0,4,0: 81:[99, 105] Operation: 87+18=105 Exploring Operation: 99-87=12, Resulting Numbers: [18, 12] Generated Node #0,4,1: 81:[18, 12] Operation: 99-87=12 Exploring Operation: 99-18=81, Resulting Numbers: [87, 81] Generated Node #0,4,2: 81:[87, 81] Operation: 99-18=81 Exploring Operation: 87-18=69, Resulting Numbers: [99, 69] Generated Node #0,4,3: 81:[99, 69] Operation: 87-18=69 Exploring Operation: 18+99=117, Resulting Numbers: [87, 117] Generated Node #0,4,4: 81:[87, 117] Operation: 18+99=117 Moving to Node #0,3 Current State: 81:[18, 48, 36], Operations: ['87-51=36'] Exploring Operation: 48+36=84, Resulting Numbers: [18, 84] Generated Node #0,3,0: 81:[18, 84] Operation: 48+36=84 Exploring Operation: 48-18=30, Resulting Numbers: [36, 30] Generated Node #0,3,1: 81:[36, 30] Operation: 48-18=30 Exploring Operation: 48-36=12, Resulting Numbers: [18, 12] Generated Node #0,3,2: 81:[18, 12] Operation: 48-36=12 Exploring Operation: 18+48=66, Resulting Numbers: [36, 66] Generated Node #0,3,3: 81:[36, 66] Operation: 18+48=66 Exploring Operation: 36/18=2, Resulting Numbers: [48, 2] Generated Node #0,3,4: 81:[48, 2] Operation: 36/18=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 81:[18, 84], Operations: ['87-51=36', '48+36=84'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 18+84=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 18*84=1512, Resulting Numbers: [1512] 1512,81 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 #0,3,1 Current State: 81:[36, 30], Operations: ['87-51=36', '48-18=30'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,81 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 #0,3,2 Current State: 81:[18, 12], Operations: ['87-51=36', '48-36=12'] Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,81 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,81 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 #0,3,4 Current State: 81:[48, 2], Operations: ['87-51=36', '36/18=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,81 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,81 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 #0,3,3 Current State: 81:[36, 66], Operations: ['87-51=36', '18+48=66'] Exploring Operation: 36*66=2376, Resulting Numbers: [2376] 2376,81 unequal: No Solution Exploring Operation: 36+66=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 81:[87, 81], Operations: ['51-18=33', '48+33=81'] Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,81 unequal: No Solution Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[87, 81], Operations: ['51+48=99', '99-18=81'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,81 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[87, 6], Operations: ['51-48=3', '18/3=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[87, 51, 18, 48], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [87, 18, 3] Generated Node #0,1: 81:[87, 18, 3] Operation: 51-48=3 Moving to Node #0,1 Current State: 81:[87, 18, 3], Operations: ['51-48=3'] Exploring Operation: 18/3=6, Resulting Numbers: [87, 6] Generated Node #0,1,2: 81:[87, 6] Operation: 18/3=6 Moving to Node #0,1,2 Current State: 81:[87, 6], Operations: ['51-48=3', '18/3=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.9375
hs_5
sum_heuristic
[ 56, 95, 76, 5 ]
91
[ "76-56=20", "20/5=4", "95-4=91" ]
Current State: 91:[56, 95, 76, 5], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [95, 5, 20] Generated Node #2: [95, 5, 20] from Operation: 76-56=20 Current State: 91:[95, 5, 20], Operations: ['76-56=20'] Exploring Operation: 20/5=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 20/5=4 Current State: 91:[95, 4], Operations: ['76-56=20', '20/5=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[56, 95, 76, 5], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [95, 5, 20] Generated Node #0,0: 91:[95, 5, 20] Operation: 76-56=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[95, 5, 20], Operations: ['76-56=20'] Exploring Operation: 20-5=15, Resulting Numbers: [95, 15] Generated Node #0,0,0: 91:[95, 15] Operation: 20-5=15 Moving to Node #0,0,0 Current State: 91:[95, 15], Operations: ['76-56=20', '20-5=15'] Exploring Operation: 95-15=80, Resulting Numbers: [80] 80,91 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
[ 98, 47, 61, 36 ]
46
[ "98-47=51", "61+36=97", "97-51=46" ]
Current State: 46:[98, 47, 61, 36], Operations: [] Exploring Operation: 98-47=51, Resulting Numbers: [61, 36, 51] Generated Node #2: [61, 36, 51] from Operation: 98-47=51 Current State: 46:[61, 36, 51], Operations: ['98-47=51'] Exploring Operation: 61+36=97, Resulting Numbers: [51, 97] Generated Node #3: [51, 97] from Operation: 61+36=97 Current State: 46:[51, 97], Operations: ['98-47=51', '61+36=97'] Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[98, 47, 61, 36], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [47, 61, 62] Generated Node #0,0: 46:[47, 61, 62] Operation: 98-36=62 Exploring Operation: 98-61=37, Resulting Numbers: [47, 36, 37] Generated Node #0,1: 46:[47, 36, 37] Operation: 98-61=37 Exploring Operation: 98-47=51, Resulting Numbers: [61, 36, 51] Generated Node #0,2: 46:[61, 36, 51] Operation: 98-47=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[47, 36, 37], Operations: ['98-61=37'] Exploring Operation: 37-36=1, Resulting Numbers: [47, 1] Generated Node #0,1,0: 46:[47, 1] Operation: 37-36=1 Exploring Operation: 47-36=11, Resulting Numbers: [37, 11] Generated Node #0,1,1: 46:[37, 11] Operation: 47-36=11 Exploring Operation: 47-37=10, Resulting Numbers: [36, 10] Generated Node #0,1,2: 46:[36, 10] Operation: 47-37=10 Moving to Node #0,1,0 Current State: 46:[47, 1], Operations: ['98-61=37', '37-36=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[98, 47, 61, 36], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [47, 36, 37] Generated Node #0,1: 46:[47, 36, 37] Operation: 98-61=37 Moving to Node #0,1 Current State: 46:[47, 36, 37], Operations: ['98-61=37'] Exploring Operation: 37-36=1, Resulting Numbers: [47, 1] Generated Node #0,1,0: 46:[47, 1] Operation: 37-36=1 Moving to Node #0,1,0 Current State: 46:[47, 1], Operations: ['98-61=37', '37-36=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 41, 59, 13, 90 ]
59
[ "59-41=18", "90-13=77", "77-18=59" ]
Current State: 59:[41, 59, 13, 90], Operations: [] Exploring Operation: 59-41=18, Resulting Numbers: [13, 90, 18] Generated Node #2: [13, 90, 18] from Operation: 59-41=18 Current State: 59:[13, 90, 18], Operations: ['59-41=18'] Exploring Operation: 90-13=77, Resulting Numbers: [18, 77] Generated Node #3: [18, 77] from Operation: 90-13=77 Current State: 59:[18, 77], Operations: ['59-41=18', '90-13=77'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[41, 59, 13, 90], Operations: [] Exploring Operation: 90-41=49, Resulting Numbers: [59, 13, 49] Generated Node #0,0: 59:[59, 13, 49] Operation: 90-41=49 Exploring Operation: 41-13=28, Resulting Numbers: [59, 90, 28] Generated Node #0,1: 59:[59, 90, 28] Operation: 41-13=28 Exploring Operation: 41+13=54, Resulting Numbers: [59, 90, 54] Generated Node #0,2: 59:[59, 90, 54] Operation: 41+13=54 Exploring Operation: 90-13=77, Resulting Numbers: [41, 59, 77] Generated Node #0,3: 59:[41, 59, 77] Operation: 90-13=77 Exploring Operation: 59+13=72, Resulting Numbers: [41, 90, 72] Generated Node #0,4: 59:[41, 90, 72] Operation: 59+13=72 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[59, 90, 54], Operations: ['41+13=54'] Exploring Operation: 59-54=5, Resulting Numbers: [90, 5] Generated Node #0,2,0: 59:[90, 5] Operation: 59-54=5 Exploring Operation: 90-59=31, Resulting Numbers: [54, 31] Generated Node #0,2,1: 59:[54, 31] Operation: 90-59=31 Exploring Operation: 59+54=113, Resulting Numbers: [90, 113] Generated Node #0,2,2: 59:[90, 113] Operation: 59+54=113 Exploring Operation: 90-54=36, Resulting Numbers: [59, 36] Generated Node #0,2,3: 59:[59, 36] Operation: 90-54=36 Exploring Operation: 90+54=144, Resulting Numbers: [59, 144] Generated Node #0,2,4: 59:[59, 144] Operation: 90+54=144 Moving to Node #0,2,3 Current State: 59:[59, 36], Operations: ['41+13=54', '90-54=36'] Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,59 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[54, 31], Operations: ['41+13=54', '90-59=31'] Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 54*31=1674, Resulting Numbers: [1674] 1674,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[90, 5], Operations: ['41+13=54', '59-54=5'] Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,59 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[90, 113], Operations: ['41+13=54', '59+54=113'] Exploring Operation: 113-90=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 90*113=10170, Resulting Numbers: [10170] 10170,59 unequal: No Solution Exploring Operation: 90+113=203, Resulting Numbers: [203] 203,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[59, 144], Operations: ['41+13=54', '90+54=144'] Exploring Operation: 144-59=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 59*144=8496, Resulting Numbers: [8496] 8496,59 unequal: No Solution Exploring Operation: 59+144=203, Resulting Numbers: [203] 203,59 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: 59:[41, 59, 77], Operations: ['90-13=77'] Exploring Operation: 59-41=18, Resulting Numbers: [77, 18] Generated Node #0,3,0: 59:[77, 18] Operation: 59-41=18 Exploring Operation: 41+59=100, Resulting Numbers: [77, 100] Generated Node #0,3,1: 59:[77, 100] Operation: 41+59=100 Exploring Operation: 77-41=36, Resulting Numbers: [59, 36] Generated Node #0,3,2: 59:[59, 36] Operation: 77-41=36 Exploring Operation: 41+77=118, Resulting Numbers: [59, 118] Generated Node #0,3,3: 59:[59, 118] Operation: 41+77=118 Exploring Operation: 77-59=18, Resulting Numbers: [41, 18] Generated Node #0,3,4: 59:[41, 18] Operation: 77-59=18 Moving to Node #0,3,2 Current State: 59:[59, 36], Operations: ['90-13=77', '77-41=36'] Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,59 unequal: No Solution Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[77, 100], Operations: ['90-13=77', '41+59=100'] Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 77+100=177, Resulting Numbers: [177] 177,59 unequal: No Solution Exploring Operation: 77*100=7700, Resulting Numbers: [7700] 7700,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[41, 18], Operations: ['90-13=77', '77-59=18'] Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[41, 59, 13, 90], Operations: [] Exploring Operation: 90-13=77, Resulting Numbers: [41, 59, 77] Generated Node #0,3: 59:[41, 59, 77] Operation: 90-13=77 Moving to Node #0,3 Current State: 59:[41, 59, 77], Operations: ['90-13=77'] Exploring Operation: 77-59=18, Resulting Numbers: [41, 18] Generated Node #0,3,4: 59:[41, 18] Operation: 77-59=18 Moving to Node #0,3,4 Current State: 59:[41, 18], Operations: ['90-13=77', '77-59=18'] Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 61, 30, 63, 69 ]
37
[ "61-30=31", "69-63=6", "31+6=37" ]
Current State: 37:[61, 30, 63, 69], Operations: [] Exploring Operation: 61-30=31, Resulting Numbers: [63, 69, 31] Generated Node #2: [63, 69, 31] from Operation: 61-30=31 Current State: 37:[63, 69, 31], Operations: ['61-30=31'] Exploring Operation: 69-63=6, Resulting Numbers: [31, 6] Generated Node #3: [31, 6] from Operation: 69-63=6 Current State: 37:[31, 6], Operations: ['61-30=31', '69-63=6'] Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[61, 30, 63, 69], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [61, 63, 39] Generated Node #0,0: 37:[61, 63, 39] Operation: 69-30=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[61, 63, 39], Operations: ['69-30=39'] Exploring Operation: 63-61=2, Resulting Numbers: [39, 2] Generated Node #0,0,0: 37:[39, 2] Operation: 63-61=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[39, 2], Operations: ['69-30=39', '63-61=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[61, 30, 63, 69], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [61, 63, 39] Generated Node #0,0: 37:[61, 63, 39] Operation: 69-30=39 Moving to Node #0,0 Current State: 37:[61, 63, 39], Operations: ['69-30=39'] Exploring Operation: 63-61=2, Resulting Numbers: [39, 2] Generated Node #0,0,0: 37:[39, 2] Operation: 63-61=2 Moving to Node #0,0,0 Current State: 37:[39, 2], Operations: ['69-30=39', '63-61=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 59, 61, 7, 66 ]
57
[ "61-59=2", "66-7=59", "59-2=57" ]
Current State: 57:[59, 61, 7, 66], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [7, 66, 2] Generated Node #2: [7, 66, 2] from Operation: 61-59=2 Current State: 57:[7, 66, 2], Operations: ['61-59=2'] Exploring Operation: 66-7=59, Resulting Numbers: [2, 59] Generated Node #3: [2, 59] from Operation: 66-7=59 Current State: 57:[2, 59], Operations: ['61-59=2', '66-7=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[59, 61, 7, 66], Operations: [] Exploring Operation: 66-61=5, Resulting Numbers: [59, 7, 5] Generated Node #0,0: 57:[59, 7, 5] Operation: 66-61=5 Exploring Operation: 66-7=59, Resulting Numbers: [59, 61, 59] Generated Node #0,1: 57:[59, 61, 59] Operation: 66-7=59 Moving to Node #0,0 Current State: 57:[59, 7, 5], Operations: ['66-61=5'] Exploring Operation: 59-7=52, Resulting Numbers: [5, 52] Generated Node #0,0,0: 57:[5, 52] Operation: 59-7=52 Exploring Operation: 7-5=2, Resulting Numbers: [59, 2] Generated Node #0,0,1: 57:[59, 2] Operation: 7-5=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[59, 2], Operations: ['66-61=5', '7-5=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[59, 61, 7, 66], Operations: [] Exploring Operation: 66-61=5, Resulting Numbers: [59, 7, 5] Generated Node #0,0: 57:[59, 7, 5] Operation: 66-61=5 Moving to Node #0,0 Current State: 57:[59, 7, 5], Operations: ['66-61=5'] Exploring Operation: 7-5=2, Resulting Numbers: [59, 2] Generated Node #0,0,1: 57:[59, 2] Operation: 7-5=2 Moving to Node #0,0,1 Current State: 57:[59, 2], Operations: ['66-61=5', '7-5=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 19, 75, 80, 16 ]
15
[ "19-16=3", "80-75=5", "3*5=15" ]
Current State: 15:[19, 75, 80, 16], Operations: [] Exploring Operation: 19-16=3, Resulting Numbers: [75, 80, 3] Generated Node #2: [75, 80, 3] from Operation: 19-16=3 Current State: 15:[75, 80, 3], Operations: ['19-16=3'] Exploring Operation: 80-75=5, Resulting Numbers: [3, 5] Generated Node #3: [3, 5] from Operation: 80-75=5 Current State: 15:[3, 5], Operations: ['19-16=3', '80-75=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[19, 75, 80, 16], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [19, 16, 5] Generated Node #0,0: 15:[19, 16, 5] Operation: 80-75=5 Moving to Node #0,0 Current State: 15:[19, 16, 5], Operations: ['80-75=5'] Exploring Operation: 19-16=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 19-16=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['80-75=5', '19-16=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[19, 75, 80, 16], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [19, 16, 5] Generated Node #0,0: 15:[19, 16, 5] Operation: 80-75=5 Moving to Node #0,0 Current State: 15:[19, 16, 5], Operations: ['80-75=5'] Exploring Operation: 19-16=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 19-16=3 Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['80-75=5', '19-16=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 96, 68, 20, 3 ]
32
[ "96-68=28", "20*3=60", "60-28=32" ]
Current State: 32:[96, 68, 20, 3], Operations: [] Exploring Operation: 96-68=28, Resulting Numbers: [20, 3, 28] Generated Node #2: [20, 3, 28] from Operation: 96-68=28 Current State: 32:[20, 3, 28], Operations: ['96-68=28'] Exploring Operation: 20*3=60, Resulting Numbers: [28, 60] Generated Node #3: [28, 60] from Operation: 20*3=60 Current State: 32:[28, 60], Operations: ['96-68=28', '20*3=60'] Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[96, 68, 20, 3], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [68, 3, 76] Generated Node #0,0: 32:[68, 3, 76] Operation: 96-20=76 Exploring Operation: 96-68=28, Resulting Numbers: [20, 3, 28] Generated Node #0,1: 32:[20, 3, 28] Operation: 96-68=28 Exploring Operation: 96/3=32, Resulting Numbers: [68, 20, 32] Generated Node #0,2: 32:[68, 20, 32] Operation: 96/3=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[20, 3, 28], Operations: ['96-68=28'] Exploring Operation: 20-3=17, Resulting Numbers: [28, 17] Generated Node #0,1,0: 32:[28, 17] Operation: 20-3=17 Exploring Operation: 28-20=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 32:[3, 8] Operation: 28-20=8 Exploring Operation: 3+28=31, Resulting Numbers: [20, 31] Generated Node #0,1,2: 32:[20, 31] Operation: 3+28=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[3, 8], Operations: ['96-68=28', '28-20=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,32 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 #0,1,0 Current State: 32:[28, 17], Operations: ['96-68=28', '20-3=17'] Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,32 unequal: No Solution Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,32 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 #0,1,2 Current State: 32:[20, 31], Operations: ['96-68=28', '3+28=31'] Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,32 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 31-20=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 #0,2 Current State: 32:[68, 20, 32], Operations: ['96/3=32'] Exploring Operation: 68-20=48, Resulting Numbers: [32, 48] Generated Node #0,2,0: 32:[32, 48] Operation: 68-20=48 Exploring Operation: 68-32=36, Resulting Numbers: [20, 36] Generated Node #0,2,1: 32:[20, 36] Operation: 68-32=36 Exploring Operation: 32-20=12, Resulting Numbers: [68, 12] Generated Node #0,2,2: 32:[68, 12] Operation: 32-20=12 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[20, 36], Operations: ['96/3=32', '68-32=36'] Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 20*36=720, Resulting Numbers: [720] 720,32 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 #0,2,0 Current State: 32:[32, 48], Operations: ['96/3=32', '68-20=48'] Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,32 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,32 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 #0,2,2 Current State: 32:[68, 12], Operations: ['96/3=32', '32-20=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,32 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:[68, 3, 76], Operations: ['96-20=76'] Exploring Operation: 76-68=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 32:[3, 8] Operation: 76-68=8 Exploring Operation: 76-3=73, Resulting Numbers: [68, 73] Generated Node #0,0,1: 32:[68, 73] Operation: 76-3=73 Exploring Operation: 68-3=65, Resulting Numbers: [76, 65] Generated Node #0,0,2: 32:[76, 65] Operation: 68-3=65 Moving to Node #0,0,0 Current State: 32:[3, 8], Operations: ['96-20=76', '76-68=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[68, 73], Operations: ['96-20=76', '76-3=73'] Exploring Operation: 68*73=4964, Resulting Numbers: [4964] 4964,32 unequal: No Solution Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 68+73=141, Resulting Numbers: [141] 141,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[76, 65], Operations: ['96-20=76', '68-3=65'] Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,32 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,32 unequal: No Solution Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,32 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
[ 6, 14, 1, 35 ]
16
[ "6+14=20", "1+35=36", "36-20=16" ]
Current State: 16:[6, 14, 1, 35], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [1, 35, 20] Generated Node #2: [1, 35, 20] from Operation: 6+14=20 Current State: 16:[1, 35, 20], Operations: ['6+14=20'] Exploring Operation: 1+35=36, Resulting Numbers: [20, 36] Generated Node #3: [20, 36] from Operation: 1+35=36 Current State: 16:[20, 36], Operations: ['6+14=20', '1+35=36'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[6, 14, 1, 35], Operations: [] Exploring Operation: 35-14=21, Resulting Numbers: [6, 1, 21] Generated Node #0,0: 16:[6, 1, 21] Operation: 35-14=21 Exploring Operation: 35-6=29, Resulting Numbers: [14, 1, 29] Generated Node #0,1: 16:[14, 1, 29] Operation: 35-6=29 Moving to Node #0,0 Current State: 16:[6, 1, 21], Operations: ['35-14=21'] Exploring Operation: 21-6=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 16:[1, 15] Operation: 21-6=15 Exploring Operation: 6+1=7, Resulting Numbers: [21, 7] Generated Node #0,0,1: 16:[21, 7] Operation: 6+1=7 Moving to Node #0,1 Current State: 16:[14, 1, 29], Operations: ['35-6=29'] Exploring Operation: 29-14=15, Resulting Numbers: [1, 15] Generated Node #0,1,0: 16:[1, 15] Operation: 29-14=15 Exploring Operation: 14+1=15, Resulting Numbers: [29, 15] Generated Node #0,1,1: 16:[29, 15] Operation: 14+1=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[1, 15], Operations: ['35-6=29', '29-14=15'] Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[6, 14, 1, 35], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [14, 1, 29] Generated Node #0,1: 16:[14, 1, 29] Operation: 35-6=29 Moving to Node #0,1 Current State: 16:[14, 1, 29], Operations: ['35-6=29'] Exploring Operation: 29-14=15, Resulting Numbers: [1, 15] Generated Node #0,1,0: 16:[1, 15] Operation: 29-14=15 Moving to Node #0,1,0 Current State: 16:[1, 15], Operations: ['35-6=29', '29-14=15'] Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 56, 52, 29, 60 ]
85
[ "56-52=4", "29+60=89", "89-4=85" ]
Current State: 85:[56, 52, 29, 60], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [29, 60, 4] Generated Node #2: [29, 60, 4] from Operation: 56-52=4 Current State: 85:[29, 60, 4], Operations: ['56-52=4'] Exploring Operation: 29+60=89, Resulting Numbers: [4, 89] Generated Node #3: [4, 89] from Operation: 29+60=89 Current State: 85:[4, 89], Operations: ['56-52=4', '29+60=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[56, 52, 29, 60], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [56, 29, 8] Generated Node #0,0: 85:[56, 29, 8] Operation: 60-52=8 Exploring Operation: 60-56=4, Resulting Numbers: [52, 29, 4] Generated Node #0,1: 85:[52, 29, 4] Operation: 60-56=4 Exploring Operation: 56-52=4, Resulting Numbers: [29, 60, 4] Generated Node #0,2: 85:[29, 60, 4] Operation: 56-52=4 Exploring Operation: 56+29=85, Resulting Numbers: [52, 60, 85] Generated Node #0,3: 85:[52, 60, 85] Operation: 56+29=85 Moving to Node #0,2 Current State: 85:[29, 60, 4], Operations: ['56-52=4'] Exploring Operation: 29-4=25, Resulting Numbers: [60, 25] Generated Node #0,2,0: 85:[60, 25] Operation: 29-4=25 Exploring Operation: 60-29=31, Resulting Numbers: [4, 31] Generated Node #0,2,1: 85:[4, 31] Operation: 60-29=31 Exploring Operation: 60/4=15, Resulting Numbers: [29, 15] Generated Node #0,2,2: 85:[29, 15] Operation: 60/4=15 Exploring Operation: 29+60=89, Resulting Numbers: [4, 89] Generated Node #0,2,3: 85:[4, 89] Operation: 29+60=89 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 85:[4, 89], Operations: ['56-52=4', '29+60=89'] Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,85 unequal: No Solution Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[56, 52, 29, 60], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [29, 60, 4] Generated Node #0,2: 85:[29, 60, 4] Operation: 56-52=4 Moving to Node #0,2 Current State: 85:[29, 60, 4], Operations: ['56-52=4'] Exploring Operation: 29+60=89, Resulting Numbers: [4, 89] Generated Node #0,2,3: 85:[4, 89] Operation: 29+60=89 Moving to Node #0,2,3 Current State: 85:[4, 89], Operations: ['56-52=4', '29+60=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 18, 9, 9, 24 ]
66
[ "18/9=2", "9+24=33", "2*33=66" ]
Current State: 66:[18, 9, 9, 24], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [24, 2] Generated Node #2: [24, 2] from Operation: 18/9=2 Current State: 66:[24, 2], Operations: ['18/9=2'] Exploring Operation: 9+24=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 9+24=33 Current State: 66:[2, 33], Operations: ['18/9=2', '9+24=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[18, 9, 9, 24], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [9, 24, 2] Generated Node #0,0: 66:[9, 24, 2] Operation: 18/9=2 Moving to Node #0,0 Current State: 66:[9, 24, 2], Operations: ['18/9=2'] Exploring Operation: 9+24=33, Resulting Numbers: [2, 33] Generated Node #0,0,0: 66:[2, 33] Operation: 9+24=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[2, 33], Operations: ['18/9=2', '9+24=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[18, 9, 9, 24], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [9, 24, 2] Generated Node #0,0: 66:[9, 24, 2] Operation: 18/9=2 Moving to Node #0,0 Current State: 66:[9, 24, 2], Operations: ['18/9=2'] Exploring Operation: 9+24=33, Resulting Numbers: [2, 33] Generated Node #0,0,0: 66:[2, 33] Operation: 9+24=33 Moving to Node #0,0,0 Current State: 66:[2, 33], Operations: ['18/9=2', '9+24=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 67, 79, 98, 10 ]
11
[ "79-67=12", "98+12=110", "110/10=11" ]
Current State: 11:[67, 79, 98, 10], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [98, 10, 12] Generated Node #2: [98, 10, 12] from Operation: 79-67=12 Current State: 11:[98, 10, 12], Operations: ['79-67=12'] Exploring Operation: 98+12=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 98+12=110 Current State: 11:[10, 110], Operations: ['79-67=12', '98+12=110'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[67, 79, 98, 10], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [67, 10, 19] Generated Node #0,0: 11:[67, 10, 19] Operation: 98-79=19 Exploring Operation: 79-67=12, Resulting Numbers: [98, 10, 12] Generated Node #0,1: 11:[98, 10, 12] Operation: 79-67=12 Exploring Operation: 98-67=31, Resulting Numbers: [79, 10, 31] Generated Node #0,2: 11:[79, 10, 31] Operation: 98-67=31 Exploring Operation: 67-10=57, Resulting Numbers: [79, 98, 57] Generated Node #0,3: 11:[79, 98, 57] Operation: 67-10=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[67, 10, 19], Operations: ['98-79=19'] Exploring Operation: 19-10=9, Resulting Numbers: [67, 9] Generated Node #0,0,0: 11:[67, 9] Operation: 19-10=9 Exploring Operation: 67-10=57, Resulting Numbers: [19, 57] Generated Node #0,0,1: 11:[19, 57] Operation: 67-10=57 Exploring Operation: 67+10=77, Resulting Numbers: [19, 77] Generated Node #0,0,2: 11:[19, 77] Operation: 67+10=77 Exploring Operation: 67-19=48, Resulting Numbers: [10, 48] Generated Node #0,0,3: 11:[10, 48] Operation: 67-19=48 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 11:[10, 48], Operations: ['98-79=19', '67-19=48'] Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,11 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,11 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: 11:[19, 57], Operations: ['98-79=19', '67-10=57'] Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,11 unequal: No Solution Exploring Operation: 19*57=1083, Resulting Numbers: [1083] 1083,11 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,11 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: 11:[67, 9], Operations: ['98-79=19', '19-10=9'] Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,11 unequal: No Solution Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,11 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: 11:[19, 77], Operations: ['98-79=19', '67+10=77'] Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,11 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,11 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: 11:[98, 10, 12], Operations: ['79-67=12'] Exploring Operation: 12-10=2, Resulting Numbers: [98, 2] Generated Node #0,1,0: 11:[98, 2] Operation: 12-10=2 Exploring Operation: 98+10=108, Resulting Numbers: [12, 108] Generated Node #0,1,1: 11:[12, 108] Operation: 98+10=108 Exploring Operation: 98-12=86, Resulting Numbers: [10, 86] Generated Node #0,1,2: 11:[10, 86] Operation: 98-12=86 Exploring Operation: 98-10=88, Resulting Numbers: [12, 88] Generated Node #0,1,3: 11:[12, 88] Operation: 98-10=88 Moving to Node #0,1,2 Current State: 11:[10, 86], Operations: ['79-67=12', '98-12=86'] Exploring Operation: 10+86=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,11 unequal: No Solution Exploring Operation: 10*86=860, Resulting Numbers: [860] 860,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[12, 88], Operations: ['79-67=12', '98-10=88'] Exploring Operation: 12+88=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 12*88=1056, Resulting Numbers: [1056] 1056,11 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[98, 2], Operations: ['79-67=12', '12-10=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[12, 108], Operations: ['79-67=12', '98+10=108'] Exploring Operation: 12*108=1296, Resulting Numbers: [1296] 1296,11 unequal: No Solution Exploring Operation: 12+108=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 108/12=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 108-12=96, Resulting Numbers: [96] 96,11 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: 11:[79, 10, 31], Operations: ['98-67=31'] Exploring Operation: 31-10=21, Resulting Numbers: [79, 21] Generated Node #0,2,0: 11:[79, 21] Operation: 31-10=21 Exploring Operation: 79-31=48, Resulting Numbers: [10, 48] Generated Node #0,2,1: 11:[10, 48] Operation: 79-31=48 Exploring Operation: 79-10=69, Resulting Numbers: [31, 69] Generated Node #0,2,2: 11:[31, 69] Operation: 79-10=69 Exploring Operation: 79+10=89, Resulting Numbers: [31, 89] Generated Node #0,2,3: 11:[31, 89] Operation: 79+10=89 Moving to Node #0,2,1 Current State: 11:[10, 48], Operations: ['98-67=31', '79-31=48'] Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,11 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[31, 69], Operations: ['98-67=31', '79-10=69'] Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 31*69=2139, Resulting Numbers: [2139] 2139,11 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[79, 21], Operations: ['98-67=31', '31-10=21'] Exploring Operation: 79+21=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 79*21=1659, Resulting Numbers: [1659] 1659,11 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[31, 89], Operations: ['98-67=31', '79+10=89'] Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,11 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: 11:[79, 98, 57], Operations: ['67-10=57'] Exploring Operation: 79+98=177, Resulting Numbers: [57, 177] Generated Node #0,3,0: 11:[57, 177] Operation: 79+98=177 Exploring Operation: 98-57=41, Resulting Numbers: [79, 41] Generated Node #0,3,1: 11:[79, 41] Operation: 98-57=41 Exploring Operation: 98-79=19, Resulting Numbers: [57, 19] Generated Node #0,3,2: 11:[57, 19] Operation: 98-79=19 Exploring Operation: 79-57=22, Resulting Numbers: [98, 22] Generated Node #0,3,3: 11:[98, 22] Operation: 79-57=22 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 11:[57, 19], Operations: ['67-10=57', '98-79=19'] Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,11 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,11 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,11 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: 11:[79, 41], Operations: ['67-10=57', '98-57=41'] Exploring Operation: 79*41=3239, Resulting Numbers: [3239] 3239,11 unequal: No Solution Exploring Operation: 79+41=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,11 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: 11:[98, 22], Operations: ['67-10=57', '79-57=22'] Exploring Operation: 98-22=76, Resulting Numbers: [76] 76,11 unequal: No Solution Exploring Operation: 98*22=2156, Resulting Numbers: [2156] 2156,11 unequal: No Solution Exploring Operation: 98+22=120, Resulting Numbers: [120] 120,11 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: 11:[57, 177], Operations: ['67-10=57', '79+98=177'] Exploring Operation: 57*177=10089, Resulting Numbers: [10089] 10089,11 unequal: No Solution Exploring Operation: 177-57=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 57+177=234, Resulting Numbers: [234] 234,11 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
[ 84, 50, 95, 80 ]
68
[ "95*80=7600", "7600/50=152", "152-84=68" ]
Current State: 68:[84, 50, 95, 80], Operations: [] Exploring Operation: 95*80=7600, Resulting Numbers: [84, 50, 7600] Generated Node #2: [84, 50, 7600] from Operation: 95*80=7600 Current State: 68:[84, 50, 7600], Operations: ['95*80=7600'] Exploring Operation: 7600/50=152, Resulting Numbers: [84, 152] Generated Node #3: [84, 152] from Operation: 7600/50=152 Current State: 68:[84, 152], Operations: ['95*80=7600', '7600/50=152'] Exploring Operation: 152-84=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[84, 50, 95, 80], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [50, 80, 11] Generated Node #0,0: 68:[50, 80, 11] Operation: 95-84=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[50, 80, 11], Operations: ['95-84=11'] Exploring Operation: 80-50=30, Resulting Numbers: [11, 30] Generated Node #0,0,0: 68:[11, 30] Operation: 80-50=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[11, 30], Operations: ['95-84=11', '80-50=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,68 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
[ 89, 48, 65, 2 ]
72
[ "89-65=24", "48*2=96", "96-24=72" ]
Current State: 72:[89, 48, 65, 2], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [48, 2, 24] Generated Node #2: [48, 2, 24] from Operation: 89-65=24 Current State: 72:[48, 2, 24], Operations: ['89-65=24'] Exploring Operation: 48*2=96, Resulting Numbers: [24, 96] Generated Node #3: [24, 96] from Operation: 48*2=96 Current State: 72:[24, 96], Operations: ['89-65=24', '48*2=96'] Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[89, 48, 65, 2], Operations: [] Exploring Operation: 89-48=41, Resulting Numbers: [65, 2, 41] Generated Node #0,0: 72:[65, 2, 41] Operation: 89-48=41 Exploring Operation: 89-65=24, Resulting Numbers: [48, 2, 24] Generated Node #0,1: 72:[48, 2, 24] Operation: 89-65=24 Moving to Node #0,0 Current State: 72:[65, 2, 41], Operations: ['89-48=41'] Exploring Operation: 65+2=67, Resulting Numbers: [41, 67] Generated Node #0,0,0: 72:[41, 67] Operation: 65+2=67 Exploring Operation: 65-41=24, Resulting Numbers: [2, 24] Generated Node #0,0,1: 72:[2, 24] Operation: 65-41=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[2, 24], Operations: ['89-48=41', '65-41=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,72 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: 72:[41, 67], Operations: ['89-48=41', '65+2=67'] Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,72 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,72 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: 72:[48, 2, 24], Operations: ['89-65=24'] Exploring Operation: 48/2=24, Resulting Numbers: [24, 24] Generated Node #0,1,0: 72:[24, 24] Operation: 48/2=24 Exploring Operation: 48+24=72, Resulting Numbers: [2, 72] Generated Node #0,1,1: 72:[2, 72] Operation: 48+24=72 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[24, 24], Operations: ['89-65=24', '48/2=24'] Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,72 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: 72:[2, 72], Operations: ['89-65=24', '48+24=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,72 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
[ 65, 28, 27, 56 ]
65
[ "28+27=55", "56-55=1", "65*1=65" ]
Current State: 65:[65, 28, 27, 56], Operations: [] Exploring Operation: 28+27=55, Resulting Numbers: [65, 56, 55] Generated Node #2: [65, 56, 55] from Operation: 28+27=55 Current State: 65:[65, 56, 55], Operations: ['28+27=55'] Exploring Operation: 56-55=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 56-55=1 Current State: 65:[65, 1], Operations: ['28+27=55', '56-55=1'] Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[65, 28, 27, 56], Operations: [] Exploring Operation: 28+27=55, Resulting Numbers: [65, 56, 55] Generated Node #0,0: 65:[65, 56, 55] Operation: 28+27=55 Exploring Operation: 56-28=28, Resulting Numbers: [65, 27, 28] Generated Node #0,1: 65:[65, 27, 28] Operation: 56-28=28 Exploring Operation: 28-27=1, Resulting Numbers: [65, 56, 1] Generated Node #0,2: 65:[65, 56, 1] Operation: 28-27=1 Exploring Operation: 56/28=2, Resulting Numbers: [65, 27, 2] Generated Node #0,3: 65:[65, 27, 2] Operation: 56/28=2 Moving to Node #0,2 Current State: 65:[65, 56, 1], Operations: ['28-27=1'] Exploring Operation: 56+1=57, Resulting Numbers: [65, 57] Generated Node #0,2,0: 65:[65, 57] Operation: 56+1=57 Exploring Operation: 65*1=65, Resulting Numbers: [56, 65] Generated Node #0,2,1: 65:[56, 65] Operation: 65*1=65 Exploring Operation: 65-56=9, Resulting Numbers: [1, 9] Generated Node #0,2,2: 65:[1, 9] Operation: 65-56=9 Exploring Operation: 65/1=65, Resulting Numbers: [56, 65] Generated Node #0,2,3: 65:[56, 65] Operation: 65/1=65 Moving to Node #0,3 Current State: 65:[65, 27, 2], Operations: ['56/28=2'] Exploring Operation: 27-2=25, Resulting Numbers: [65, 25] Generated Node #0,3,0: 65:[65, 25] Operation: 27-2=25 Exploring Operation: 65-2=63, Resulting Numbers: [27, 63] Generated Node #0,3,1: 65:[27, 63] Operation: 65-2=63 Exploring Operation: 27*2=54, Resulting Numbers: [65, 54] Generated Node #0,3,2: 65:[65, 54] Operation: 27*2=54 Exploring Operation: 65+2=67, Resulting Numbers: [27, 67] Generated Node #0,3,3: 65:[27, 67] Operation: 65+2=67 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[65, 54], Operations: ['56/28=2', '27*2=54'] Exploring Operation: 65*54=3510, Resulting Numbers: [3510] 3510,65 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,65 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: 65:[65, 25], Operations: ['56/28=2', '27-2=25'] Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,65 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: 65:[27, 63], Operations: ['56/28=2', '65-2=63'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,65 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: 65:[27, 67], Operations: ['56/28=2', '65+2=67'] Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 27+67=94, Resulting Numbers: [94] 94,65 unequal: No Solution Exploring Operation: 27*67=1809, Resulting Numbers: [1809] 1809,65 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: 65:[65, 56, 55], Operations: ['28+27=55'] Exploring Operation: 56+55=111, Resulting Numbers: [65, 111] Generated Node #0,0,0: 65:[65, 111] Operation: 56+55=111 Exploring Operation: 56-55=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 65:[65, 1] Operation: 56-55=1 Exploring Operation: 65-56=9, Resulting Numbers: [55, 9] Generated Node #0,0,2: 65:[55, 9] Operation: 65-56=9 Exploring Operation: 65-55=10, Resulting Numbers: [56, 10] Generated Node #0,0,3: 65:[56, 10] Operation: 65-55=10 Moving to Node #0,1 Current State: 65:[65, 27, 28], Operations: ['56-28=28'] Exploring Operation: 28-27=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 65:[65, 1] Operation: 28-27=1 Exploring Operation: 65-27=38, Resulting Numbers: [28, 38] Generated Node #0,1,1: 65:[28, 38] Operation: 65-27=38 Exploring Operation: 27+28=55, Resulting Numbers: [65, 55] Generated Node #0,1,2: 65:[65, 55] Operation: 27+28=55 Exploring Operation: 65-28=37, Resulting Numbers: [27, 37] Generated Node #0,1,3: 65:[27, 37] Operation: 65-28=37 Moving to Node #0,0,1 Current State: 65:[65, 1], Operations: ['28+27=55', '56-55=1'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[65, 28, 27, 56], Operations: [] Exploring Operation: 28+27=55, Resulting Numbers: [65, 56, 55] Generated Node #0,0: 65:[65, 56, 55] Operation: 28+27=55 Moving to Node #0,0 Current State: 65:[65, 56, 55], Operations: ['28+27=55'] Exploring Operation: 56-55=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 65:[65, 1] Operation: 56-55=1 Moving to Node #0,0,1 Current State: 65:[65, 1], Operations: ['28+27=55', '56-55=1'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 97, 67, 99, 27 ]
20
[ "99-97=2", "67-27=40", "40/2=20" ]
Current State: 20:[97, 67, 99, 27], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [67, 27, 2] Generated Node #2: [67, 27, 2] from Operation: 99-97=2 Current State: 20:[67, 27, 2], Operations: ['99-97=2'] Exploring Operation: 67-27=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 67-27=40 Current State: 20:[2, 40], Operations: ['99-97=2', '67-27=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[97, 67, 99, 27], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [67, 27, 2] Generated Node #0,0: 20:[67, 27, 2] Operation: 99-97=2 Exploring Operation: 97-67=30, Resulting Numbers: [99, 27, 30] Generated Node #0,1: 20:[99, 27, 30] Operation: 97-67=30 Exploring Operation: 99-67=32, Resulting Numbers: [97, 27, 32] Generated Node #0,2: 20:[97, 27, 32] Operation: 99-67=32 Moving to Node #0,0 Current State: 20:[67, 27, 2], Operations: ['99-97=2'] Exploring Operation: 67-2=65, Resulting Numbers: [27, 65] Generated Node #0,0,0: 20:[27, 65] Operation: 67-2=65 Exploring Operation: 27-2=25, Resulting Numbers: [67, 25] Generated Node #0,0,1: 20:[67, 25] Operation: 27-2=25 Exploring Operation: 67-27=40, Resulting Numbers: [2, 40] Generated Node #0,0,2: 20:[2, 40] Operation: 67-27=40 Moving to Node #0,1 Current State: 20:[99, 27, 30], Operations: ['97-67=30'] Exploring Operation: 99-30=69, Resulting Numbers: [27, 69] Generated Node #0,1,0: 20:[27, 69] Operation: 99-30=69 Exploring Operation: 30-27=3, Resulting Numbers: [99, 3] Generated Node #0,1,1: 20:[99, 3] Operation: 30-27=3 Exploring Operation: 99-27=72, Resulting Numbers: [30, 72] Generated Node #0,1,2: 20:[30, 72] Operation: 99-27=72 Moving to Node #0,2 Current State: 20:[97, 27, 32], Operations: ['99-67=32'] Exploring Operation: 97-32=65, Resulting Numbers: [27, 65] Generated Node #0,2,0: 20:[27, 65] Operation: 97-32=65 Exploring Operation: 32-27=5, Resulting Numbers: [97, 5] Generated Node #0,2,1: 20:[97, 5] Operation: 32-27=5 Exploring Operation: 97-27=70, Resulting Numbers: [32, 70] Generated Node #0,2,2: 20:[32, 70] Operation: 97-27=70 Moving to Node #0,0,2 Current State: 20:[2, 40], Operations: ['99-97=2', '67-27=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[97, 67, 99, 27], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [67, 27, 2] Generated Node #0,0: 20:[67, 27, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 20:[67, 27, 2], Operations: ['99-97=2'] Exploring Operation: 67-27=40, Resulting Numbers: [2, 40] Generated Node #0,0,2: 20:[2, 40] Operation: 67-27=40 Moving to Node #0,0,2 Current State: 20:[2, 40], Operations: ['99-97=2', '67-27=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 38, 18, 69, 32 ]
26
[ "38*32=1216", "18*69=1242", "1242-1216=26" ]
Current State: 26:[38, 18, 69, 32], Operations: [] Exploring Operation: 38*32=1216, Resulting Numbers: [18, 69, 1216] Generated Node #2: [18, 69, 1216] from Operation: 38*32=1216 Current State: 26:[18, 69, 1216], Operations: ['38*32=1216'] Exploring Operation: 18*69=1242, Resulting Numbers: [1216, 1242] Generated Node #3: [1216, 1242] from Operation: 18*69=1242 Current State: 26:[1216, 1242], Operations: ['38*32=1216', '18*69=1242'] Exploring Operation: 1242-1216=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[38, 18, 69, 32], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [38, 32, 51] Generated Node #0,0: 26:[38, 32, 51] Operation: 69-18=51 Exploring Operation: 38-32=6, Resulting Numbers: [18, 69, 6] Generated Node #0,1: 26:[18, 69, 6] Operation: 38-32=6 Exploring Operation: 69-32=37, Resulting Numbers: [38, 18, 37] Generated Node #0,2: 26:[38, 18, 37] Operation: 69-32=37 Exploring Operation: 69-38=31, Resulting Numbers: [18, 32, 31] Generated Node #0,3: 26:[18, 32, 31] Operation: 69-38=31 Moving to Node #0,3 Current State: 26:[18, 32, 31], Operations: ['69-38=31'] Exploring Operation: 32-18=14, Resulting Numbers: [31, 14] Generated Node #0,3,0: 26:[31, 14] Operation: 32-18=14 Exploring Operation: 31-18=13, Resulting Numbers: [32, 13] Generated Node #0,3,1: 26:[32, 13] Operation: 31-18=13 Exploring Operation: 32-31=1, Resulting Numbers: [18, 1] Generated Node #0,3,2: 26:[18, 1] Operation: 32-31=1 Exploring Operation: 18+32=50, Resulting Numbers: [31, 50] Generated Node #0,3,3: 26:[31, 50] Operation: 18+32=50 Moving to Node #0,2 Current State: 26:[38, 18, 37], Operations: ['69-32=37'] Exploring Operation: 38+18=56, Resulting Numbers: [37, 56] Generated Node #0,2,0: 26:[37, 56] Operation: 38+18=56 Exploring Operation: 38-37=1, Resulting Numbers: [18, 1] Generated Node #0,2,1: 26:[18, 1] Operation: 38-37=1 Exploring Operation: 38-18=20, Resulting Numbers: [37, 20] Generated Node #0,2,2: 26:[37, 20] Operation: 38-18=20 Exploring Operation: 37-18=19, Resulting Numbers: [38, 19] Generated Node #0,2,3: 26:[38, 19] Operation: 37-18=19 Moving to Node #0,0 Current State: 26:[38, 32, 51], Operations: ['69-18=51'] Exploring Operation: 51-32=19, Resulting Numbers: [38, 19] Generated Node #0,0,0: 26:[38, 19] Operation: 51-32=19 Exploring Operation: 38+32=70, Resulting Numbers: [51, 70] Generated Node #0,0,1: 26:[51, 70] Operation: 38+32=70 Exploring Operation: 38-32=6, Resulting Numbers: [51, 6] Generated Node #0,0,2: 26:[51, 6] Operation: 38-32=6 Exploring Operation: 51-38=13, Resulting Numbers: [32, 13] Generated Node #0,0,3: 26:[32, 13] Operation: 51-38=13 Moving to Node #0,1 Current State: 26:[18, 69, 6], Operations: ['38-32=6'] Exploring Operation: 18-6=12, Resulting Numbers: [69, 12] Generated Node #0,1,0: 26:[69, 12] Operation: 18-6=12 Exploring Operation: 69-18=51, Resulting Numbers: [6, 51] Generated Node #0,1,1: 26:[6, 51] Operation: 69-18=51 Exploring Operation: 69-6=63, Resulting Numbers: [18, 63] Generated Node #0,1,2: 26:[18, 63] Operation: 69-6=63 Exploring Operation: 18/6=3, Resulting Numbers: [69, 3] Generated Node #0,1,3: 26:[69, 3] Operation: 18/6=3 Moving to Node #0,3,0 Current State: 26:[31, 14], Operations: ['69-38=31', '32-18=14'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[18, 1], Operations: ['69-38=31', '32-31=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,26 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,26 unequal: No Solution Moving to Node #0,3,1 Current State: 26:[32, 13], Operations: ['69-38=31', '31-18=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[18, 1], Operations: ['69-32=37', '38-37=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,26 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[32, 13], Operations: ['69-18=51', '51-38=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,26 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[37, 20], Operations: ['69-32=37', '38-18=20'] Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,26 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[38, 19], Operations: ['69-32=37', '37-18=19'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,26 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[38, 19], Operations: ['69-18=51', '51-32=19'] Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,26 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[6, 51], Operations: ['38-32=6', '69-18=51'] Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,26 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[51, 6], Operations: ['69-18=51', '38-32=6'] Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,26 unequal: No Solution Moving to Node #0,3,3 Current State: 26:[31, 50], Operations: ['69-38=31', '18+32=50'] Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[37, 56], Operations: ['69-32=37', '38+18=56'] Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[18, 63], Operations: ['38-32=6', '69-6=63'] Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,26 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,26 unequal: No Solution Moving to Node #0,1,3 Current State: 26:[69, 3], Operations: ['38-32=6', '18/6=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,26 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[69, 12], Operations: ['38-32=6', '18-6=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[51, 70], Operations: ['69-18=51', '38+32=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,26 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,26 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 12, 93, 30, 70 ]
82
[ "30*70=2100", "2100/12=175", "175-93=82" ]
Current State: 82:[12, 93, 30, 70], Operations: [] Exploring Operation: 30*70=2100, Resulting Numbers: [12, 93, 2100] Generated Node #2: [12, 93, 2100] from Operation: 30*70=2100 Current State: 82:[12, 93, 2100], Operations: ['30*70=2100'] Exploring Operation: 2100/12=175, Resulting Numbers: [93, 175] Generated Node #3: [93, 175] from Operation: 2100/12=175 Current State: 82:[93, 175], Operations: ['30*70=2100', '2100/12=175'] Exploring Operation: 175-93=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[12, 93, 30, 70], Operations: [] Exploring Operation: 12+70=82, Resulting Numbers: [93, 30, 82] Generated Node #0,0: 82:[93, 30, 82] Operation: 12+70=82 Moving to Node #0,0 Current State: 82:[93, 30, 82], Operations: ['12+70=82'] Exploring Operation: 93-30=63, Resulting Numbers: [82, 63] Generated Node #0,0,0: 82:[82, 63] Operation: 93-30=63 Moving to Node #0,0,0 Current State: 82:[82, 63], Operations: ['12+70=82', '93-30=63'] Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,82 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 92, 46, 97, 48 ]
95
[ "92-46=46", "97-48=49", "46+49=95" ]
Current State: 95:[92, 46, 97, 48], Operations: [] Exploring Operation: 92-46=46, Resulting Numbers: [97, 48, 46] Generated Node #2: [97, 48, 46] from Operation: 92-46=46 Current State: 95:[97, 48, 46], Operations: ['92-46=46'] Exploring Operation: 97-48=49, Resulting Numbers: [46, 49] Generated Node #3: [46, 49] from Operation: 97-48=49 Current State: 95:[46, 49], Operations: ['92-46=46', '97-48=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[92, 46, 97, 48], Operations: [] Exploring Operation: 46+48=94, Resulting Numbers: [92, 97, 94] Generated Node #0,0: 95:[92, 97, 94] Operation: 46+48=94 Moving to Node #0,0 Current State: 95:[92, 97, 94], Operations: ['46+48=94'] Exploring Operation: 97-92=5, Resulting Numbers: [94, 5] Generated Node #0,0,0: 95:[94, 5] Operation: 97-92=5 Moving to Node #0,0,0 Current State: 95:[94, 5], Operations: ['46+48=94', '97-92=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,95 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 28, 14, 33, 67 ]
86
[ "28-14=14", "33+67=100", "100-14=86" ]
Current State: 86:[28, 14, 33, 67], Operations: [] Exploring Operation: 28-14=14, Resulting Numbers: [33, 67, 14] Generated Node #2: [33, 67, 14] from Operation: 28-14=14 Current State: 86:[33, 67, 14], Operations: ['28-14=14'] Exploring Operation: 33+67=100, Resulting Numbers: [14, 100] Generated Node #3: [14, 100] from Operation: 33+67=100 Current State: 86:[14, 100], Operations: ['28-14=14', '33+67=100'] Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[28, 14, 33, 67], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [14, 33, 39] Generated Node #0,0: 86:[14, 33, 39] Operation: 67-28=39 Exploring Operation: 28/14=2, Resulting Numbers: [33, 67, 2] Generated Node #0,1: 86:[33, 67, 2] Operation: 28/14=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[14, 33, 39], Operations: ['67-28=39'] Exploring Operation: 39-33=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 86:[14, 6] Operation: 39-33=6 Exploring Operation: 14+33=47, Resulting Numbers: [39, 47] Generated Node #0,0,1: 86:[39, 47] Operation: 14+33=47 Moving to Node #0,0,1 Current State: 86:[39, 47], Operations: ['67-28=39', '14+33=47'] Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,86 unequal: No Solution Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[28, 14, 33, 67], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [14, 33, 39] Generated Node #0,0: 86:[14, 33, 39] Operation: 67-28=39 Moving to Node #0,0 Current State: 86:[14, 33, 39], Operations: ['67-28=39'] Exploring Operation: 14+33=47, Resulting Numbers: [39, 47] Generated Node #0,0,1: 86:[39, 47] Operation: 14+33=47 Moving to Node #0,0,1 Current State: 86:[39, 47], Operations: ['67-28=39', '14+33=47'] Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 7, 14, 89, 91 ]
88
[ "91/7=13", "89-14=75", "13+75=88" ]
Current State: 88:[7, 14, 89, 91], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [14, 89, 13] Generated Node #2: [14, 89, 13] from Operation: 91/7=13 Current State: 88:[14, 89, 13], Operations: ['91/7=13'] Exploring Operation: 89-14=75, Resulting Numbers: [13, 75] Generated Node #3: [13, 75] from Operation: 89-14=75 Current State: 88:[13, 75], Operations: ['91/7=13', '89-14=75'] Exploring Operation: 13+75=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[7, 14, 89, 91], Operations: [] Exploring Operation: 7+14=21, Resulting Numbers: [89, 91, 21] Generated Node #0,0: 88:[89, 91, 21] Operation: 7+14=21 Exploring Operation: 91-89=2, Resulting Numbers: [7, 14, 2] Generated Node #0,1: 88:[7, 14, 2] Operation: 91-89=2 Exploring Operation: 14/7=2, Resulting Numbers: [89, 91, 2] Generated Node #0,2: 88:[89, 91, 2] Operation: 14/7=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[7, 14, 2], Operations: ['91-89=2'] Exploring Operation: 14/7=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 88:[2, 2] Operation: 14/7=2 Exploring Operation: 7+14=21, Resulting Numbers: [2, 21] Generated Node #0,1,1: 88:[2, 21] Operation: 7+14=21 Exploring Operation: 14-7=7, Resulting Numbers: [2, 7] Generated Node #0,1,2: 88:[2, 7] Operation: 14-7=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[2, 2], Operations: ['91-89=2', '14/7=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,88 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: 88:[2, 21], Operations: ['91-89=2', '7+14=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,88 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: 88:[2, 7], Operations: ['91-89=2', '14-7=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,88 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: 88:[89, 91, 2], Operations: ['14/7=2'] Exploring Operation: 89-2=87, Resulting Numbers: [91, 87] Generated Node #0,2,0: 88:[91, 87] Operation: 89-2=87 Exploring Operation: 91-2=89, Resulting Numbers: [89, 89] Generated Node #0,2,1: 88:[89, 89] Operation: 91-2=89 Exploring Operation: 91-89=2, Resulting Numbers: [2, 2] Generated Node #0,2,2: 88:[2, 2] Operation: 91-89=2 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[2, 2], Operations: ['14/7=2', '91-89=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,88 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: 88:[89, 89], Operations: ['14/7=2', '91-2=89'] Exploring Operation: 89+89=178, Resulting Numbers: [178] 178,88 unequal: No Solution Exploring Operation: 89/89=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 89-89=0, Resulting Numbers: [0] 0,88 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: 88:[91, 87], Operations: ['14/7=2', '89-2=87'] Exploring Operation: 91-87=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 91*87=7917, Resulting Numbers: [7917] 7917,88 unequal: No Solution Exploring Operation: 91+87=178, Resulting Numbers: [178] 178,88 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: 88:[89, 91, 21], Operations: ['7+14=21'] Exploring Operation: 91-89=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 88:[21, 2] Operation: 91-89=2 Exploring Operation: 91-21=70, Resulting Numbers: [89, 70] Generated Node #0,0,1: 88:[89, 70] Operation: 91-21=70 Exploring Operation: 89-21=68, Resulting Numbers: [91, 68] Generated Node #0,0,2: 88:[91, 68] Operation: 89-21=68 Moving to Node #0,0,0 Current State: 88:[21, 2], Operations: ['7+14=21', '91-89=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[89, 70], Operations: ['7+14=21', '91-21=70'] Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 89+70=159, Resulting Numbers: [159] 159,88 unequal: No Solution Exploring Operation: 89*70=6230, Resulting Numbers: [6230] 6230,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[91, 68], Operations: ['7+14=21', '89-21=68'] Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 91+68=159, Resulting Numbers: [159] 159,88 unequal: No Solution Exploring Operation: 91*68=6188, Resulting Numbers: [6188] 6188,88 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
[ 58, 74, 9, 5 ]
99
[ "74-58=16", "16-5=11", "9*11=99" ]
Current State: 99:[58, 74, 9, 5], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [9, 5, 16] Generated Node #2: [9, 5, 16] from Operation: 74-58=16 Current State: 99:[9, 5, 16], Operations: ['74-58=16'] Exploring Operation: 16-5=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 16-5=11 Current State: 99:[9, 11], Operations: ['74-58=16', '16-5=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[58, 74, 9, 5], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [9, 5, 16] Generated Node #0,0: 99:[9, 5, 16] Operation: 74-58=16 Exploring Operation: 58+74=132, Resulting Numbers: [9, 5, 132] Generated Node #0,1: 99:[9, 5, 132] Operation: 58+74=132 Exploring Operation: 58-9=49, Resulting Numbers: [74, 5, 49] Generated Node #0,2: 99:[74, 5, 49] Operation: 58-9=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[9, 5, 16], Operations: ['74-58=16'] Exploring Operation: 9-5=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 99:[16, 4] Operation: 9-5=4 Exploring Operation: 16-9=7, Resulting Numbers: [5, 7] Generated Node #0,0,1: 99:[5, 7] Operation: 16-9=7 Exploring Operation: 16-5=11, Resulting Numbers: [9, 11] Generated Node #0,0,2: 99:[9, 11] Operation: 16-5=11 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[9, 11], Operations: ['74-58=16', '16-5=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[58, 74, 9, 5], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [9, 5, 16] Generated Node #0,0: 99:[9, 5, 16] Operation: 74-58=16 Moving to Node #0,0 Current State: 99:[9, 5, 16], Operations: ['74-58=16'] Exploring Operation: 16-5=11, Resulting Numbers: [9, 11] Generated Node #0,0,2: 99:[9, 11] Operation: 16-5=11 Moving to Node #0,0,2 Current State: 99:[9, 11], Operations: ['74-58=16', '16-5=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 56, 4, 1, 93 ]
42
[ "56-4=52", "1+93=94", "94-52=42" ]
Current State: 42:[56, 4, 1, 93], Operations: [] Exploring Operation: 56-4=52, Resulting Numbers: [1, 93, 52] Generated Node #2: [1, 93, 52] from Operation: 56-4=52 Current State: 42:[1, 93, 52], Operations: ['56-4=52'] Exploring Operation: 1+93=94, Resulting Numbers: [52, 94] Generated Node #3: [52, 94] from Operation: 1+93=94 Current State: 42:[52, 94], Operations: ['56-4=52', '1+93=94'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[56, 4, 1, 93], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [1, 93, 14] Generated Node #0,0: 42:[1, 93, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [1, 93, 52] Generated Node #0,1: 42:[1, 93, 52] Operation: 56-4=52 Exploring Operation: 93-56=37, Resulting Numbers: [4, 1, 37] Generated Node #0,2: 42:[4, 1, 37] Operation: 93-56=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[4, 1, 37], Operations: ['93-56=37'] Exploring Operation: 4-1=3, Resulting Numbers: [37, 3] Generated Node #0,2,0: 42:[37, 3] Operation: 4-1=3 Exploring Operation: 4+37=41, Resulting Numbers: [1, 41] Generated Node #0,2,1: 42:[1, 41] Operation: 4+37=41 Exploring Operation: 1+37=38, Resulting Numbers: [4, 38] Generated Node #0,2,2: 42:[4, 38] Operation: 1+37=38 Moving to Node #0,2,1 Current State: 42:[1, 41], Operations: ['93-56=37', '4+37=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[56, 4, 1, 93], Operations: [] Exploring Operation: 93-56=37, Resulting Numbers: [4, 1, 37] Generated Node #0,2: 42:[4, 1, 37] Operation: 93-56=37 Moving to Node #0,2 Current State: 42:[4, 1, 37], Operations: ['93-56=37'] Exploring Operation: 4+37=41, Resulting Numbers: [1, 41] Generated Node #0,2,1: 42:[1, 41] Operation: 4+37=41 Moving to Node #0,2,1 Current State: 42:[1, 41], Operations: ['93-56=37', '4+37=41'] Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 18, 2, 40, 82 ]
86
[ "18*2=36", "40+82=122", "122-36=86" ]
Current State: 86:[18, 2, 40, 82], Operations: [] Exploring Operation: 18*2=36, Resulting Numbers: [40, 82, 36] Generated Node #2: [40, 82, 36] from Operation: 18*2=36 Current State: 86:[40, 82, 36], Operations: ['18*2=36'] Exploring Operation: 40+82=122, Resulting Numbers: [36, 122] Generated Node #3: [36, 122] from Operation: 40+82=122 Current State: 86:[36, 122], Operations: ['18*2=36', '40+82=122'] Exploring Operation: 122-36=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[18, 2, 40, 82], Operations: [] Exploring Operation: 18/2=9, Resulting Numbers: [40, 82, 9] Generated Node #0,0: 86:[40, 82, 9] Operation: 18/2=9 Exploring Operation: 18*2=36, Resulting Numbers: [40, 82, 36] Generated Node #0,1: 86:[40, 82, 36] Operation: 18*2=36 Moving to Node #0,0 Current State: 86:[40, 82, 9], Operations: ['18/2=9'] Exploring Operation: 82+9=91, Resulting Numbers: [40, 91] Generated Node #0,0,0: 86:[40, 91] Operation: 82+9=91 Exploring Operation: 82-40=42, Resulting Numbers: [9, 42] Generated Node #0,0,1: 86:[9, 42] Operation: 82-40=42 Moving to Node #0,1 Current State: 86:[40, 82, 36], Operations: ['18*2=36'] Exploring Operation: 40-36=4, Resulting Numbers: [82, 4] Generated Node #0,1,0: 86:[82, 4] Operation: 40-36=4 Exploring Operation: 82-36=46, Resulting Numbers: [40, 46] Generated Node #0,1,1: 86:[40, 46] Operation: 82-36=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[82, 4], Operations: ['18*2=36', '40-36=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[18, 2, 40, 82], Operations: [] Exploring Operation: 18*2=36, Resulting Numbers: [40, 82, 36] Generated Node #0,1: 86:[40, 82, 36] Operation: 18*2=36 Moving to Node #0,1 Current State: 86:[40, 82, 36], Operations: ['18*2=36'] Exploring Operation: 40-36=4, Resulting Numbers: [82, 4] Generated Node #0,1,0: 86:[82, 4] Operation: 40-36=4 Moving to Node #0,1,0 Current State: 86:[82, 4], Operations: ['18*2=36', '40-36=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 15, 35, 27, 51 ]
58
[ "35-15=20", "27+51=78", "78-20=58" ]
Current State: 58:[15, 35, 27, 51], Operations: [] Exploring Operation: 35-15=20, Resulting Numbers: [27, 51, 20] Generated Node #2: [27, 51, 20] from Operation: 35-15=20 Current State: 58:[27, 51, 20], Operations: ['35-15=20'] Exploring Operation: 27+51=78, Resulting Numbers: [20, 78] Generated Node #3: [20, 78] from Operation: 27+51=78 Current State: 58:[20, 78], Operations: ['35-15=20', '27+51=78'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[15, 35, 27, 51], Operations: [] Exploring Operation: 51-15=36, Resulting Numbers: [35, 27, 36] Generated Node #0,0: 58:[35, 27, 36] Operation: 51-15=36 Exploring Operation: 15+51=66, Resulting Numbers: [35, 27, 66] Generated Node #0,1: 58:[35, 27, 66] Operation: 15+51=66 Moving to Node #0,0 Current State: 58:[35, 27, 36], Operations: ['51-15=36'] Exploring Operation: 36-35=1, Resulting Numbers: [27, 1] Generated Node #0,0,0: 58:[27, 1] Operation: 36-35=1 Exploring Operation: 35+27=62, Resulting Numbers: [36, 62] Generated Node #0,0,1: 58:[36, 62] Operation: 35+27=62 Moving to Node #0,1 Current State: 58:[35, 27, 66], Operations: ['15+51=66'] Exploring Operation: 66-35=31, Resulting Numbers: [27, 31] Generated Node #0,1,0: 58:[27, 31] Operation: 66-35=31 Exploring Operation: 35+27=62, Resulting Numbers: [66, 62] Generated Node #0,1,1: 58:[66, 62] Operation: 35+27=62 Moving to Node #0,0,0 Current State: 58:[27, 1], Operations: ['51-15=36', '36-35=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[27, 31], Operations: ['15+51=66', '66-35=31'] Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[15, 35, 27, 51], Operations: [] Exploring Operation: 15+51=66, Resulting Numbers: [35, 27, 66] Generated Node #0,1: 58:[35, 27, 66] Operation: 15+51=66 Moving to Node #0,1 Current State: 58:[35, 27, 66], Operations: ['15+51=66'] Exploring Operation: 66-35=31, Resulting Numbers: [27, 31] Generated Node #0,1,0: 58:[27, 31] Operation: 66-35=31 Moving to Node #0,1,0 Current State: 58:[27, 31], Operations: ['15+51=66', '66-35=31'] Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 76, 75, 25, 75 ]
51
[ "76+75=151", "25+75=100", "151-100=51" ]
Current State: 51:[76, 75, 25, 75], Operations: [] Exploring Operation: 76+75=151, Resulting Numbers: [25, 151] Generated Node #2: [25, 151] from Operation: 76+75=151 Current State: 51:[25, 151], Operations: ['76+75=151'] Exploring Operation: 25+75=100, Resulting Numbers: [151, 100] Generated Node #3: [151, 100] from Operation: 25+75=100 Current State: 51:[151, 100], Operations: ['76+75=151', '25+75=100'] Exploring Operation: 151-100=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[76, 75, 25, 75], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [25, 75, 1] Generated Node #0,0: 51:[25, 75, 1] Operation: 76-75=1 Exploring Operation: 75-75=0, Resulting Numbers: [76, 25, 0] Generated Node #0,1: 51:[76, 25, 0] Operation: 75-75=0 Exploring Operation: 75/75=1, Resulting Numbers: [76, 25, 1] Generated Node #0,2: 51:[76, 25, 1] Operation: 75/75=1 Exploring Operation: 76-75=1, Resulting Numbers: [75, 25, 1] Generated Node #0,3: 51:[75, 25, 1] Operation: 76-75=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[25, 75, 1], Operations: ['76-75=1'] Exploring Operation: 75-1=74, Resulting Numbers: [25, 74] Generated Node #0,0,0: 51:[25, 74] Operation: 75-1=74 Exploring Operation: 25-1=24, Resulting Numbers: [75, 24] Generated Node #0,0,1: 51:[75, 24] Operation: 25-1=24 Exploring Operation: 75-25=50, Resulting Numbers: [1, 50] Generated Node #0,0,2: 51:[1, 50] Operation: 75-25=50 Exploring Operation: 75/25=3, Resulting Numbers: [1, 3] Generated Node #0,0,3: 51:[1, 3] Operation: 75/25=3 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[1, 3], Operations: ['76-75=1', '75/25=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,51 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: 51:[1, 50], Operations: ['76-75=1', '75-25=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[76, 75, 25, 75], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [25, 75, 1] Generated Node #0,0: 51:[25, 75, 1] Operation: 76-75=1 Moving to Node #0,0 Current State: 51:[25, 75, 1], Operations: ['76-75=1'] Exploring Operation: 75-25=50, Resulting Numbers: [1, 50] Generated Node #0,0,2: 51:[1, 50] Operation: 75-25=50 Moving to Node #0,0,2 Current State: 51:[1, 50], Operations: ['76-75=1', '75-25=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 22, 85, 37, 11 ]
96
[ "22/11=2", "85-37=48", "2*48=96" ]
Current State: 96:[22, 85, 37, 11], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [85, 37, 2] Generated Node #2: [85, 37, 2] from Operation: 22/11=2 Current State: 96:[85, 37, 2], Operations: ['22/11=2'] Exploring Operation: 85-37=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 85-37=48 Current State: 96:[2, 48], Operations: ['22/11=2', '85-37=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[22, 85, 37, 11], Operations: [] Exploring Operation: 37-11=26, Resulting Numbers: [22, 85, 26] Generated Node #0,0: 96:[22, 85, 26] Operation: 37-11=26 Exploring Operation: 37+11=48, Resulting Numbers: [22, 85, 48] Generated Node #0,1: 96:[22, 85, 48] Operation: 37+11=48 Exploring Operation: 85-37=48, Resulting Numbers: [22, 11, 48] Generated Node #0,2: 96:[22, 11, 48] Operation: 85-37=48 Exploring Operation: 85+11=96, Resulting Numbers: [22, 37, 96] Generated Node #0,3: 96:[22, 37, 96] Operation: 85+11=96 Exploring Operation: 37-22=15, Resulting Numbers: [85, 11, 15] Generated Node #0,4: 96:[85, 11, 15] Operation: 37-22=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[22, 11, 48], Operations: ['85-37=48'] Exploring Operation: 22/11=2, Resulting Numbers: [48, 2] Generated Node #0,2,0: 96:[48, 2] Operation: 22/11=2 Exploring Operation: 48-11=37, Resulting Numbers: [22, 37] Generated Node #0,2,1: 96:[22, 37] Operation: 48-11=37 Exploring Operation: 22-11=11, Resulting Numbers: [48, 11] Generated Node #0,2,2: 96:[48, 11] Operation: 22-11=11 Exploring Operation: 22+11=33, Resulting Numbers: [48, 33] Generated Node #0,2,3: 96:[48, 33] Operation: 22+11=33 Exploring Operation: 48-22=26, Resulting Numbers: [11, 26] Generated Node #0,2,4: 96:[11, 26] Operation: 48-22=26 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[48, 2], Operations: ['85-37=48', '22/11=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[22, 85, 37, 11], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [22, 11, 48] Generated Node #0,2: 96:[22, 11, 48] Operation: 85-37=48 Moving to Node #0,2 Current State: 96:[22, 11, 48], Operations: ['85-37=48'] Exploring Operation: 22/11=2, Resulting Numbers: [48, 2] Generated Node #0,2,0: 96:[48, 2] Operation: 22/11=2 Moving to Node #0,2,0 Current State: 96:[48, 2], Operations: ['85-37=48', '22/11=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 11, 89, 17, 18 ]
92
[ "17-11=6", "18/6=3", "89+3=92" ]
Current State: 92:[11, 89, 17, 18], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [89, 18, 6] Generated Node #2: [89, 18, 6] from Operation: 17-11=6 Current State: 92:[89, 18, 6], Operations: ['17-11=6'] Exploring Operation: 18/6=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 18/6=3 Current State: 92:[89, 3], Operations: ['17-11=6', '18/6=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[11, 89, 17, 18], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [89, 18, 6] Generated Node #0,0: 92:[89, 18, 6] Operation: 17-11=6 Moving to Node #0,0 Current State: 92:[89, 18, 6], Operations: ['17-11=6'] Exploring Operation: 18+6=24, Resulting Numbers: [89, 24] Generated Node #0,0,0: 92:[89, 24] Operation: 18+6=24 Moving to Node #0,0,0 Current State: 92:[89, 24], Operations: ['17-11=6', '18+6=24'] Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 78, 70, 22, 2 ]
26
[ "78-70=8", "8/2=4", "22+4=26" ]
Current State: 26:[78, 70, 22, 2], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [22, 2, 8] Generated Node #2: [22, 2, 8] from Operation: 78-70=8 Current State: 26:[22, 2, 8], Operations: ['78-70=8'] Exploring Operation: 8/2=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 8/2=4 Current State: 26:[22, 4], Operations: ['78-70=8', '8/2=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[78, 70, 22, 2], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [78, 22, 35] Generated Node #0,0: 26:[78, 22, 35] Operation: 70/2=35 Exploring Operation: 78/2=39, Resulting Numbers: [70, 22, 39] Generated Node #0,1: 26:[70, 22, 39] Operation: 78/2=39 Exploring Operation: 78-70=8, Resulting Numbers: [22, 2, 8] Generated Node #0,2: 26:[22, 2, 8] Operation: 78-70=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[22, 2, 8], Operations: ['78-70=8'] Exploring Operation: 22+8=30, Resulting Numbers: [2, 30] Generated Node #0,2,0: 26:[2, 30] Operation: 22+8=30 Exploring Operation: 22-8=14, Resulting Numbers: [2, 14] Generated Node #0,2,1: 26:[2, 14] Operation: 22-8=14 Exploring Operation: 8/2=4, Resulting Numbers: [22, 4] Generated Node #0,2,2: 26:[22, 4] Operation: 8/2=4 Moving to Node #0,2,1 Current State: 26:[2, 14], Operations: ['78-70=8', '22-8=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[2, 30], Operations: ['78-70=8', '22+8=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[22, 4], Operations: ['78-70=8', '8/2=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,26 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[78, 70, 22, 2], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [22, 2, 8] Generated Node #0,2: 26:[22, 2, 8] Operation: 78-70=8 Moving to Node #0,2 Current State: 26:[22, 2, 8], Operations: ['78-70=8'] Exploring Operation: 8/2=4, Resulting Numbers: [22, 4] Generated Node #0,2,2: 26:[22, 4] Operation: 8/2=4 Moving to Node #0,2,2 Current State: 26:[22, 4], Operations: ['78-70=8', '8/2=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 90, 27, 24, 83 ]
44
[ "90-27=63", "24+83=107", "107-63=44" ]
Current State: 44:[90, 27, 24, 83], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [24, 83, 63] Generated Node #2: [24, 83, 63] from Operation: 90-27=63 Current State: 44:[24, 83, 63], Operations: ['90-27=63'] Exploring Operation: 24+83=107, Resulting Numbers: [63, 107] Generated Node #3: [63, 107] from Operation: 24+83=107 Current State: 44:[63, 107], Operations: ['90-27=63', '24+83=107'] Exploring Operation: 107-63=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[90, 27, 24, 83], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [27, 24, 7] Generated Node #0,0: 44:[27, 24, 7] Operation: 90-83=7 Moving to Node #0,0 Current State: 44:[27, 24, 7], Operations: ['90-83=7'] Exploring Operation: 27-24=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 44:[7, 3] Operation: 27-24=3 Moving to Node #0,0,0 Current State: 44:[7, 3], Operations: ['90-83=7', '27-24=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,44 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 43, 61, 61, 16 ]
26
[ "43-16=27", "61/61=1", "27-1=26" ]
Current State: 26:[43, 61, 61, 16], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [61, 61, 27] Generated Node #2: [61, 61, 27] from Operation: 43-16=27 Current State: 26:[61, 61, 27], Operations: ['43-16=27'] Exploring Operation: 61/61=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 61/61=1 Current State: 26:[27, 1], Operations: ['43-16=27', '61/61=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[43, 61, 61, 16], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [43, 16, 1] Generated Node #0,0: 26:[43, 16, 1] Operation: 61/61=1 Exploring Operation: 61-43=18, Resulting Numbers: [61, 16, 18] Generated Node #0,1: 26:[61, 16, 18] Operation: 61-43=18 Exploring Operation: 61-43=18, Resulting Numbers: [61, 16, 18] Generated Node #0,2: 26:[61, 16, 18] Operation: 61-43=18 Exploring Operation: 61-61=0, Resulting Numbers: [43, 16, 0] Generated Node #0,3: 26:[43, 16, 0] Operation: 61-61=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[43, 16, 1], Operations: ['61/61=1'] Exploring Operation: 43-1=42, Resulting Numbers: [16, 42] Generated Node #0,0,0: 26:[16, 42] Operation: 43-1=42 Exploring Operation: 16-1=15, Resulting Numbers: [43, 15] Generated Node #0,0,1: 26:[43, 15] Operation: 16-1=15 Exploring Operation: 43*1=43, Resulting Numbers: [16, 43] Generated Node #0,0,2: 26:[16, 43] Operation: 43*1=43 Exploring Operation: 43-16=27, Resulting Numbers: [1, 27] Generated Node #0,0,3: 26:[1, 27] Operation: 43-16=27 Moving to Node #0,0,3 Current State: 26:[1, 27], Operations: ['61/61=1', '43-16=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[43, 61, 61, 16], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [43, 16, 1] Generated Node #0,0: 26:[43, 16, 1] Operation: 61/61=1 Moving to Node #0,0 Current State: 26:[43, 16, 1], Operations: ['61/61=1'] Exploring Operation: 43-16=27, Resulting Numbers: [1, 27] Generated Node #0,0,3: 26:[1, 27] Operation: 43-16=27 Moving to Node #0,0,3 Current State: 26:[1, 27], Operations: ['61/61=1', '43-16=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 69, 29, 6, 11 ]
35
[ "69-29=40", "11-6=5", "40-5=35" ]
Current State: 35:[69, 29, 6, 11], Operations: [] Exploring Operation: 69-29=40, Resulting Numbers: [6, 11, 40] Generated Node #2: [6, 11, 40] from Operation: 69-29=40 Current State: 35:[6, 11, 40], Operations: ['69-29=40'] Exploring Operation: 11-6=5, Resulting Numbers: [40, 5] Generated Node #3: [40, 5] from Operation: 11-6=5 Current State: 35:[40, 5], Operations: ['69-29=40', '11-6=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[69, 29, 6, 11], Operations: [] Exploring Operation: 29+6=35, Resulting Numbers: [69, 11, 35] Generated Node #0,0: 35:[69, 11, 35] Operation: 29+6=35 Exploring Operation: 29+11=40, Resulting Numbers: [69, 6, 40] Generated Node #0,1: 35:[69, 6, 40] Operation: 29+11=40 Exploring Operation: 69-29=40, Resulting Numbers: [6, 11, 40] Generated Node #0,2: 35:[6, 11, 40] Operation: 69-29=40 Exploring Operation: 69-11=58, Resulting Numbers: [29, 6, 58] Generated Node #0,3: 35:[29, 6, 58] Operation: 69-11=58 Exploring Operation: 69-6=63, Resulting Numbers: [29, 11, 63] Generated Node #0,4: 35:[29, 11, 63] Operation: 69-6=63 Moving to Node #0,2 Current State: 35:[6, 11, 40], Operations: ['69-29=40'] Exploring Operation: 40-6=34, Resulting Numbers: [11, 34] Generated Node #0,2,0: 35:[11, 34] Operation: 40-6=34 Exploring Operation: 40-11=29, Resulting Numbers: [6, 29] Generated Node #0,2,1: 35:[6, 29] Operation: 40-11=29 Exploring Operation: 6+11=17, Resulting Numbers: [40, 17] Generated Node #0,2,2: 35:[40, 17] Operation: 6+11=17 Exploring Operation: 6+40=46, Resulting Numbers: [11, 46] Generated Node #0,2,3: 35:[11, 46] Operation: 6+40=46 Exploring Operation: 11-6=5, Resulting Numbers: [40, 5] Generated Node #0,2,4: 35:[40, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[11, 34], Operations: ['69-29=40', '40-6=34'] Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,35 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,35 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 #0,2,4 Current State: 35:[40, 5], Operations: ['69-29=40', '11-6=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[69, 29, 6, 11], Operations: [] Exploring Operation: 69-29=40, Resulting Numbers: [6, 11, 40] Generated Node #0,2: 35:[6, 11, 40] Operation: 69-29=40 Moving to Node #0,2 Current State: 35:[6, 11, 40], Operations: ['69-29=40'] Exploring Operation: 11-6=5, Resulting Numbers: [40, 5] Generated Node #0,2,4: 35:[40, 5] Operation: 11-6=5 Moving to Node #0,2,4 Current State: 35:[40, 5], Operations: ['69-29=40', '11-6=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 46, 96, 4, 62 ]
10
[ "62-46=16", "96/16=6", "4+6=10" ]
Current State: 10:[46, 96, 4, 62], Operations: [] Exploring Operation: 62-46=16, Resulting Numbers: [96, 4, 16] Generated Node #2: [96, 4, 16] from Operation: 62-46=16 Current State: 10:[96, 4, 16], Operations: ['62-46=16'] Exploring Operation: 96/16=6, Resulting Numbers: [4, 6] Generated Node #3: [4, 6] from Operation: 96/16=6 Current State: 10:[4, 6], Operations: ['62-46=16', '96/16=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[46, 96, 4, 62], Operations: [] Exploring Operation: 96-46=50, Resulting Numbers: [4, 62, 50] Generated Node #0,0: 10:[4, 62, 50] Operation: 96-46=50 Exploring Operation: 62-46=16, Resulting Numbers: [96, 4, 16] Generated Node #0,1: 10:[96, 4, 16] Operation: 62-46=16 Exploring Operation: 96-62=34, Resulting Numbers: [46, 4, 34] Generated Node #0,2: 10:[46, 4, 34] Operation: 96-62=34 Moving to Node #0,2 Current State: 10:[46, 4, 34], Operations: ['96-62=34'] Exploring Operation: 46-4=42, Resulting Numbers: [34, 42] Generated Node #0,2,0: 10:[34, 42] Operation: 46-4=42 Exploring Operation: 34-4=30, Resulting Numbers: [46, 30] Generated Node #0,2,1: 10:[46, 30] Operation: 34-4=30 Exploring Operation: 46-34=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 10:[4, 12] Operation: 46-34=12 Moving to Node #0,0 Current State: 10:[4, 62, 50], Operations: ['96-46=50'] Exploring Operation: 62-4=58, Resulting Numbers: [50, 58] Generated Node #0,0,0: 10:[50, 58] Operation: 62-4=58 Exploring Operation: 62-50=12, Resulting Numbers: [4, 12] Generated Node #0,0,1: 10:[4, 12] Operation: 62-50=12 Exploring Operation: 50-4=46, Resulting Numbers: [62, 46] Generated Node #0,0,2: 10:[62, 46] Operation: 50-4=46 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[4, 12], Operations: ['96-46=50', '62-50=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,10 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: 10:[50, 58], Operations: ['96-46=50', '62-4=58'] Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 50*58=2900, Resulting Numbers: [2900] 2900,10 unequal: No Solution Exploring Operation: 50+58=108, Resulting Numbers: [108] 108,10 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: 10:[62, 46], Operations: ['96-46=50', '50-4=46'] Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,10 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,10 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: 10:[96, 4, 16], Operations: ['62-46=16'] Exploring Operation: 96-16=80, Resulting Numbers: [4, 80] Generated Node #0,1,0: 10:[4, 80] Operation: 96-16=80 Exploring Operation: 96/4=24, Resulting Numbers: [16, 24] Generated Node #0,1,1: 10:[16, 24] Operation: 96/4=24 Exploring Operation: 96/16=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 10:[4, 6] Operation: 96/16=6 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[4, 6], Operations: ['62-46=16', '96/16=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[46, 96, 4, 62], Operations: [] Exploring Operation: 62-46=16, Resulting Numbers: [96, 4, 16] Generated Node #0,1: 10:[96, 4, 16] Operation: 62-46=16 Moving to Node #0,1 Current State: 10:[96, 4, 16], Operations: ['62-46=16'] Exploring Operation: 96/16=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 10:[4, 6] Operation: 96/16=6 Moving to Node #0,1,2 Current State: 10:[4, 6], Operations: ['62-46=16', '96/16=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 44, 89, 54, 5 ]
63
[ "89-44=45", "45/5=9", "54+9=63" ]
Current State: 63:[44, 89, 54, 5], Operations: [] Exploring Operation: 89-44=45, Resulting Numbers: [54, 5, 45] Generated Node #2: [54, 5, 45] from Operation: 89-44=45 Current State: 63:[54, 5, 45], Operations: ['89-44=45'] Exploring Operation: 45/5=9, Resulting Numbers: [54, 9] Generated Node #3: [54, 9] from Operation: 45/5=9 Current State: 63:[54, 9], Operations: ['89-44=45', '45/5=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[44, 89, 54, 5], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [89, 5, 10] Generated Node #0,0: 63:[89, 5, 10] Operation: 54-44=10 Exploring Operation: 44+5=49, Resulting Numbers: [89, 54, 49] Generated Node #0,1: 63:[89, 54, 49] Operation: 44+5=49 Exploring Operation: 89-54=35, Resulting Numbers: [44, 5, 35] Generated Node #0,2: 63:[44, 5, 35] Operation: 89-54=35 Exploring Operation: 89-44=45, Resulting Numbers: [54, 5, 45] Generated Node #0,3: 63:[54, 5, 45] Operation: 89-44=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[89, 5, 10], Operations: ['54-44=10'] Exploring Operation: 10-5=5, Resulting Numbers: [89, 5] Generated Node #0,0,0: 63:[89, 5] Operation: 10-5=5 Exploring Operation: 89-5=84, Resulting Numbers: [10, 84] Generated Node #0,0,1: 63:[10, 84] Operation: 89-5=84 Exploring Operation: 10/5=2, Resulting Numbers: [89, 2] Generated Node #0,0,2: 63:[89, 2] Operation: 10/5=2 Exploring Operation: 89-10=79, Resulting Numbers: [5, 79] Generated Node #0,0,3: 63:[5, 79] Operation: 89-10=79 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 63:[5, 79], Operations: ['54-44=10', '89-10=79'] Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,63 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,63 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: 63:[10, 84], Operations: ['54-44=10', '89-5=84'] Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,63 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 10*84=840, Resulting Numbers: [840] 840,63 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: 63:[89, 2], Operations: ['54-44=10', '10/5=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,63 unequal: No Solution Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,63 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,63 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: 63:[89, 5], Operations: ['54-44=10', '10-5=5'] Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,63 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,63 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: 63:[54, 5, 45], Operations: ['89-44=45'] Exploring Operation: 5+45=50, Resulting Numbers: [54, 50] Generated Node #0,3,0: 63:[54, 50] Operation: 5+45=50 Exploring Operation: 54+5=59, Resulting Numbers: [45, 59] Generated Node #0,3,1: 63:[45, 59] Operation: 54+5=59 Exploring Operation: 45/5=9, Resulting Numbers: [54, 9] Generated Node #0,3,2: 63:[54, 9] Operation: 45/5=9 Exploring Operation: 54-45=9, Resulting Numbers: [5, 9] Generated Node #0,3,3: 63:[5, 9] Operation: 54-45=9 Moving to Node #0,3,3 Current State: 63:[5, 9], Operations: ['89-44=45', '54-45=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[54, 9], Operations: ['89-44=45', '45/5=9'] Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,63 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[44, 89, 54, 5], Operations: [] Exploring Operation: 89-44=45, Resulting Numbers: [54, 5, 45] Generated Node #0,3: 63:[54, 5, 45] Operation: 89-44=45 Moving to Node #0,3 Current State: 63:[54, 5, 45], Operations: ['89-44=45'] Exploring Operation: 45/5=9, Resulting Numbers: [54, 9] Generated Node #0,3,2: 63:[54, 9] Operation: 45/5=9 Moving to Node #0,3,2 Current State: 63:[54, 9], Operations: ['89-44=45', '45/5=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 55, 5, 3, 8 ]
74
[ "55-5=50", "3*8=24", "50+24=74" ]
Current State: 74:[55, 5, 3, 8], Operations: [] Exploring Operation: 55-5=50, Resulting Numbers: [3, 8, 50] Generated Node #2: [3, 8, 50] from Operation: 55-5=50 Current State: 74:[3, 8, 50], Operations: ['55-5=50'] Exploring Operation: 3*8=24, Resulting Numbers: [50, 24] Generated Node #3: [50, 24] from Operation: 3*8=24 Current State: 74:[50, 24], Operations: ['55-5=50', '3*8=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[55, 5, 3, 8], Operations: [] Exploring Operation: 55-8=47, Resulting Numbers: [5, 3, 47] Generated Node #0,0: 74:[5, 3, 47] Operation: 55-8=47 Exploring Operation: 55+8=63, Resulting Numbers: [5, 3, 63] Generated Node #0,1: 74:[5, 3, 63] Operation: 55+8=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[5, 3, 47], Operations: ['55-8=47'] Exploring Operation: 5-3=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 74:[47, 2] Operation: 5-3=2 Exploring Operation: 47-5=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 74:[3, 42] Operation: 47-5=42 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 74:[3, 42], Operations: ['55-8=47', '47-5=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,74 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: 74:[47, 2], Operations: ['55-8=47', '5-3=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,74 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: 74:[5, 3, 63], Operations: ['55+8=63'] Exploring Operation: 5-3=2, Resulting Numbers: [63, 2] Generated Node #0,1,0: 74:[63, 2] Operation: 5-3=2 Exploring Operation: 5+63=68, Resulting Numbers: [3, 68] Generated Node #0,1,1: 74:[3, 68] Operation: 5+63=68 Moving to Node #0,1,1 Current State: 74:[3, 68], Operations: ['55+8=63', '5+63=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[63, 2], Operations: ['55+8=63', '5-3=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,74 unequal: No Solution Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 5, 70, 51, 52 ]
66
[ "70-5=65", "52-51=1", "65+1=66" ]
Current State: 66:[5, 70, 51, 52], Operations: [] Exploring Operation: 70-5=65, Resulting Numbers: [51, 52, 65] Generated Node #2: [51, 52, 65] from Operation: 70-5=65 Current State: 66:[51, 52, 65], Operations: ['70-5=65'] Exploring Operation: 52-51=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 52-51=1 Current State: 66:[65, 1], Operations: ['70-5=65', '52-51=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[5, 70, 51, 52], Operations: [] Exploring Operation: 70-52=18, Resulting Numbers: [5, 51, 18] Generated Node #0,0: 66:[5, 51, 18] Operation: 70-52=18 Exploring Operation: 70-51=19, Resulting Numbers: [5, 52, 19] Generated Node #0,1: 66:[5, 52, 19] Operation: 70-51=19 Exploring Operation: 52-51=1, Resulting Numbers: [5, 70, 1] Generated Node #0,2: 66:[5, 70, 1] Operation: 52-51=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[5, 70, 1], Operations: ['52-51=1'] Exploring Operation: 70-5=65, Resulting Numbers: [1, 65] Generated Node #0,2,0: 66:[1, 65] Operation: 70-5=65 Exploring Operation: 70/5=14, Resulting Numbers: [1, 14] Generated Node #0,2,1: 66:[1, 14] Operation: 70/5=14 Exploring Operation: 5+1=6, Resulting Numbers: [70, 6] Generated Node #0,2,2: 66:[70, 6] Operation: 5+1=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[1, 65], Operations: ['52-51=1', '70-5=65'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[5, 70, 51, 52], Operations: [] Exploring Operation: 52-51=1, Resulting Numbers: [5, 70, 1] Generated Node #0,2: 66:[5, 70, 1] Operation: 52-51=1 Moving to Node #0,2 Current State: 66:[5, 70, 1], Operations: ['52-51=1'] Exploring Operation: 70-5=65, Resulting Numbers: [1, 65] Generated Node #0,2,0: 66:[1, 65] Operation: 70-5=65 Moving to Node #0,2,0 Current State: 66:[1, 65], Operations: ['52-51=1', '70-5=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 28, 63, 66, 60 ]
50
[ "63-60=3", "66/3=22", "28+22=50" ]
Current State: 50:[28, 63, 66, 60], Operations: [] Exploring Operation: 63-60=3, Resulting Numbers: [28, 66, 3] Generated Node #2: [28, 66, 3] from Operation: 63-60=3 Current State: 50:[28, 66, 3], Operations: ['63-60=3'] Exploring Operation: 66/3=22, Resulting Numbers: [28, 22] Generated Node #3: [28, 22] from Operation: 66/3=22 Current State: 50:[28, 22], Operations: ['63-60=3', '66/3=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[28, 63, 66, 60], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [28, 60, 3] Generated Node #0,0: 50:[28, 60, 3] Operation: 66-63=3 Moving to Node #0,0 Current State: 50:[28, 60, 3], Operations: ['66-63=3'] Exploring Operation: 60-28=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 50:[3, 32] Operation: 60-28=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[3, 32], Operations: ['66-63=3', '60-28=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,50 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, 49, 90, 40 ]
10
[ "54-49=5", "90-40=50", "50/5=10" ]
Current State: 10:[54, 49, 90, 40], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [90, 40, 5] Generated Node #2: [90, 40, 5] from Operation: 54-49=5 Current State: 10:[90, 40, 5], Operations: ['54-49=5'] Exploring Operation: 90-40=50, Resulting Numbers: [5, 50] Generated Node #3: [5, 50] from Operation: 90-40=50 Current State: 10:[5, 50], Operations: ['54-49=5', '90-40=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[54, 49, 90, 40], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [54, 40, 41] Generated Node #0,0: 10:[54, 40, 41] Operation: 90-49=41 Exploring Operation: 90-54=36, Resulting Numbers: [49, 40, 36] Generated Node #0,1: 10:[49, 40, 36] Operation: 90-54=36 Moving to Node #0,1 Current State: 10:[49, 40, 36], Operations: ['90-54=36'] Exploring Operation: 49-40=9, Resulting Numbers: [36, 9] Generated Node #0,1,0: 10:[36, 9] Operation: 49-40=9 Exploring Operation: 49-36=13, Resulting Numbers: [40, 13] Generated Node #0,1,1: 10:[40, 13] Operation: 49-36=13 Moving to Node #0,0 Current State: 10:[54, 40, 41], Operations: ['90-49=41'] Exploring Operation: 54-40=14, Resulting Numbers: [41, 14] Generated Node #0,0,0: 10:[41, 14] Operation: 54-40=14 Exploring Operation: 54-41=13, Resulting Numbers: [40, 13] Generated Node #0,0,1: 10:[40, 13] Operation: 54-41=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[40, 13], Operations: ['90-49=41', '54-41=13'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,10 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: 10:[41, 14], Operations: ['90-49=41', '54-40=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 10:[36, 9], Operations: ['90-54=36', '49-40=9'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[40, 13], Operations: ['90-54=36', '49-36=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,10 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 82, 9, 7, 23 ]
10
[ "82+9=91", "91/7=13", "23-13=10" ]
Current State: 10:[82, 9, 7, 23], Operations: [] Exploring Operation: 82+9=91, Resulting Numbers: [7, 23, 91] Generated Node #2: [7, 23, 91] from Operation: 82+9=91 Current State: 10:[7, 23, 91], Operations: ['82+9=91'] Exploring Operation: 91/7=13, Resulting Numbers: [23, 13] Generated Node #3: [23, 13] from Operation: 91/7=13 Current State: 10:[23, 13], Operations: ['82+9=91', '91/7=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[82, 9, 7, 23], Operations: [] Exploring Operation: 82-7=75, Resulting Numbers: [9, 23, 75] Generated Node #0,0: 10:[9, 23, 75] Operation: 82-7=75 Exploring Operation: 82-23=59, Resulting Numbers: [9, 7, 59] Generated Node #0,1: 10:[9, 7, 59] Operation: 82-23=59 Exploring Operation: 23-7=16, Resulting Numbers: [82, 9, 16] Generated Node #0,2: 10:[82, 9, 16] Operation: 23-7=16 Exploring Operation: 23-9=14, Resulting Numbers: [82, 7, 14] Generated Node #0,3: 10:[82, 7, 14] Operation: 23-9=14 Exploring Operation: 82-9=73, Resulting Numbers: [7, 23, 73] Generated Node #0,4: 10:[7, 23, 73] Operation: 82-9=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[9, 7, 59], Operations: ['82-23=59'] Exploring Operation: 59-7=52, Resulting Numbers: [9, 52] Generated Node #0,1,0: 10:[9, 52] Operation: 59-7=52 Exploring Operation: 7+59=66, Resulting Numbers: [9, 66] Generated Node #0,1,1: 10:[9, 66] Operation: 7+59=66 Exploring Operation: 9+7=16, Resulting Numbers: [59, 16] Generated Node #0,1,2: 10:[59, 16] Operation: 9+7=16 Exploring Operation: 9-7=2, Resulting Numbers: [59, 2] Generated Node #0,1,3: 10:[59, 2] Operation: 9-7=2 Exploring Operation: 59-9=50, Resulting Numbers: [7, 50] Generated Node #0,1,4: 10:[7, 50] Operation: 59-9=50 Moving to Node #0,1,4 Current State: 10:[7, 50], Operations: ['82-23=59', '59-9=50'] Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,10 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[9, 52], Operations: ['82-23=59', '59-7=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,10 unequal: No Solution Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[59, 2], Operations: ['82-23=59', '9-7=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,10 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[59, 16], Operations: ['82-23=59', '9+7=16'] Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,10 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[9, 66], Operations: ['82-23=59', '7+59=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,10 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: 10:[82, 7, 14], Operations: ['23-9=14'] Exploring Operation: 14/7=2, Resulting Numbers: [82, 2] Generated Node #0,3,0: 10:[82, 2] Operation: 14/7=2 Exploring Operation: 82-7=75, Resulting Numbers: [14, 75] Generated Node #0,3,1: 10:[14, 75] Operation: 82-7=75 Exploring Operation: 82-14=68, Resulting Numbers: [7, 68] Generated Node #0,3,2: 10:[7, 68] Operation: 82-14=68 Exploring Operation: 14-7=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 10:[82, 7] Operation: 14-7=7 Exploring Operation: 82+7=89, Resulting Numbers: [14, 89] Generated Node #0,3,4: 10:[14, 89] Operation: 82+7=89 Moving to Node #0,3,2 Current State: 10:[7, 68], Operations: ['23-9=14', '82-14=68'] Exploring Operation: 7*68=476, Resulting Numbers: [476] 476,10 unequal: No Solution Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[14, 75], Operations: ['23-9=14', '82-7=75'] Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,10 unequal: No Solution Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[82, 2], Operations: ['23-9=14', '14/7=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 82*2=164, Resulting Numbers: [164] 164,10 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[82, 7], Operations: ['23-9=14', '14-7=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,10 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[14, 89], Operations: ['23-9=14', '82+7=89'] Exploring Operation: 14*89=1246, Resulting Numbers: [1246] 1246,10 unequal: No Solution Exploring Operation: 14+89=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,10 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 Current State: 10:[7, 23, 73], Operations: ['82-9=73'] Exploring Operation: 73-7=66, Resulting Numbers: [23, 66] Generated Node #0,4,0: 10:[23, 66] Operation: 73-7=66 Exploring Operation: 7+23=30, Resulting Numbers: [73, 30] Generated Node #0,4,1: 10:[73, 30] Operation: 7+23=30 Exploring Operation: 73-23=50, Resulting Numbers: [7, 50] Generated Node #0,4,2: 10:[7, 50] Operation: 73-23=50 Exploring Operation: 23-7=16, Resulting Numbers: [73, 16] Generated Node #0,4,3: 10:[73, 16] Operation: 23-7=16 Exploring Operation: 7+73=80, Resulting Numbers: [23, 80] Generated Node #0,4,4: 10:[23, 80] Operation: 7+73=80 Moving to Node #0,4,2 Current State: 10:[7, 50], Operations: ['82-9=73', '73-23=50'] Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,10 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,10 unequal: No Solution Moving to Node #0,4,3 Current State: 10:[73, 16], Operations: ['82-9=73', '23-7=16'] Exploring Operation: 73*16=1168, Resulting Numbers: [1168] 1168,10 unequal: No Solution Exploring Operation: 73+16=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,10 unequal: No Solution Moving to Node #0,4,0 Current State: 10:[23, 66], Operations: ['82-9=73', '73-7=66'] Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 23+66=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 23*66=1518, Resulting Numbers: [1518] 1518,10 unequal: No Solution Moving to Node #0,4,1 Current State: 10:[73, 30], Operations: ['82-9=73', '7+23=30'] Exploring Operation: 73*30=2190, Resulting Numbers: [2190] 2190,10 unequal: No Solution Exploring Operation: 73+30=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,10 unequal: No Solution Moving to Node #0,4,4 Current State: 10:[23, 80], Operations: ['82-9=73', '7+73=80'] Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,10 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,10 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: 10:[9, 23, 75], Operations: ['82-7=75'] Exploring Operation: 23-9=14, Resulting Numbers: [75, 14] Generated Node #0,0,0: 10:[75, 14] Operation: 23-9=14 Exploring Operation: 75-9=66, Resulting Numbers: [23, 66] Generated Node #0,0,1: 10:[23, 66] Operation: 75-9=66 Exploring Operation: 9+75=84, Resulting Numbers: [23, 84] Generated Node #0,0,2: 10:[23, 84] Operation: 9+75=84 Exploring Operation: 75-23=52, Resulting Numbers: [9, 52] Generated Node #0,0,3: 10:[9, 52] Operation: 75-23=52 Exploring Operation: 9+23=32, Resulting Numbers: [75, 32] Generated Node #0,0,4: 10:[75, 32] Operation: 9+23=32 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 10:[9, 52], Operations: ['82-7=75', '75-23=52'] Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,10 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,10 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: 10:[75, 14], Operations: ['82-7=75', '23-9=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,10 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,10 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: 10:[23, 66], Operations: ['82-7=75', '75-9=66'] Exploring Operation: 23*66=1518, Resulting Numbers: [1518] 1518,10 unequal: No Solution Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 23+66=89, Resulting Numbers: [89] 89,10 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: 10:[23, 84], Operations: ['82-7=75', '9+75=84'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 23+84=107, Resulting Numbers: [107] 107,10 unequal: No Solution Exploring Operation: 23*84=1932, Resulting Numbers: [1932] 1932,10 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: 10:[75, 32], Operations: ['82-7=75', '9+23=32'] Exploring Operation: 75+32=107, Resulting Numbers: [107] 107,10 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 75*32=2400, Resulting Numbers: [2400] 2400,10 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: 10:[82, 9, 16], Operations: ['23-7=16'] Exploring Operation: 16-9=7, Resulting Numbers: [82, 7] Generated Node #0,2,0: 10:[82, 7] Operation: 16-9=7 Exploring Operation: 82-16=66, Resulting Numbers: [9, 66] Generated Node #0,2,1: 10:[9, 66] Operation: 82-16=66 Exploring Operation: 9+16=25, Resulting Numbers: [82, 25] Generated Node #0,2,2: 10:[82, 25] Operation: 9+16=25 Exploring Operation: 82-9=73, Resulting Numbers: [16, 73] Generated Node #0,2,3: 10:[16, 73] Operation: 82-9=73 Exploring Operation: 82+9=91, Resulting Numbers: [16, 91] Generated Node #0,2,4: 10:[16, 91] Operation: 82+9=91 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[9, 66], Operations: ['23-7=16', '82-16=66'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,10 unequal: No Solution Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,10 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: 10:[16, 73], Operations: ['23-7=16', '82-9=73'] Exploring Operation: 16+73=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 16*73=1168, Resulting Numbers: [1168] 1168,10 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: 10:[82, 7], Operations: ['23-7=16', '16-9=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,10 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: 10:[82, 25], Operations: ['23-7=16', '9+16=25'] Exploring Operation: 82*25=2050, Resulting Numbers: [2050] 2050,10 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 82+25=107, Resulting Numbers: [107] 107,10 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: 10:[16, 91], Operations: ['23-7=16', '82+9=91'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,10 unequal: No Solution Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,10 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
[ 42, 51, 24, 9 ]
78
[ "42+51=93", "24-9=15", "93-15=78" ]
Current State: 78:[42, 51, 24, 9], Operations: [] Exploring Operation: 42+51=93, Resulting Numbers: [24, 9, 93] Generated Node #2: [24, 9, 93] from Operation: 42+51=93 Current State: 78:[24, 9, 93], Operations: ['42+51=93'] Exploring Operation: 24-9=15, Resulting Numbers: [93, 15] Generated Node #3: [93, 15] from Operation: 24-9=15 Current State: 78:[93, 15], Operations: ['42+51=93', '24-9=15'] Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[42, 51, 24, 9], Operations: [] Exploring Operation: 51-24=27, Resulting Numbers: [42, 9, 27] Generated Node #0,0: 78:[42, 9, 27] Operation: 51-24=27 Exploring Operation: 51-42=9, Resulting Numbers: [24, 9, 9] Generated Node #0,1: 78:[24, 9, 9] Operation: 51-42=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[42, 9, 27], Operations: ['51-24=27'] Exploring Operation: 42-27=15, Resulting Numbers: [9, 15] Generated Node #0,0,0: 78:[9, 15] Operation: 42-27=15 Exploring Operation: 27/9=3, Resulting Numbers: [42, 3] Generated Node #0,0,1: 78:[42, 3] Operation: 27/9=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[42, 3], Operations: ['51-24=27', '27/9=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,78 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: 78:[9, 15], Operations: ['51-24=27', '42-27=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,78 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: 78:[24, 9, 9], Operations: ['51-42=9'] Exploring Operation: 9-9=0, Resulting Numbers: [24, 0] Generated Node #0,1,0: 78:[24, 0] Operation: 9-9=0 Exploring Operation: 9/9=1, Resulting Numbers: [24, 1] Generated Node #0,1,1: 78:[24, 1] Operation: 9/9=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[24, 1], Operations: ['51-42=9', '9/9=1'] Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,78 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: 78:[24, 0], Operations: ['51-42=9', '9-9=0'] Exploring Operation: 24+0=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 24*0=0, Resulting Numbers: [0] 0,78 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
[ 51, 84, 50, 5 ]
78
[ "84-51=33", "50-5=45", "33+45=78" ]
Current State: 78:[51, 84, 50, 5], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [50, 5, 33] Generated Node #2: [50, 5, 33] from Operation: 84-51=33 Current State: 78:[50, 5, 33], Operations: ['84-51=33'] Exploring Operation: 50-5=45, Resulting Numbers: [33, 45] Generated Node #3: [33, 45] from Operation: 50-5=45 Current State: 78:[33, 45], Operations: ['84-51=33', '50-5=45'] Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[51, 84, 50, 5], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [50, 5, 33] Generated Node #0,0: 78:[50, 5, 33] Operation: 84-51=33 Exploring Operation: 84-50=34, Resulting Numbers: [51, 5, 34] Generated Node #0,1: 78:[51, 5, 34] Operation: 84-50=34 Exploring Operation: 51-50=1, Resulting Numbers: [84, 5, 1] Generated Node #0,2: 78:[84, 5, 1] Operation: 51-50=1 Moving to Node #0,2 Current State: 78:[84, 5, 1], Operations: ['51-50=1'] Exploring Operation: 84-5=79, Resulting Numbers: [1, 79] Generated Node #0,2,0: 78:[1, 79] Operation: 84-5=79 Exploring Operation: 84-1=83, Resulting Numbers: [5, 83] Generated Node #0,2,1: 78:[5, 83] Operation: 84-1=83 Exploring Operation: 5+1=6, Resulting Numbers: [84, 6] Generated Node #0,2,2: 78:[84, 6] Operation: 5+1=6 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[1, 79], Operations: ['51-50=1', '84-5=79'] Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[51, 84, 50, 5], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [84, 5, 1] Generated Node #0,2: 78:[84, 5, 1] Operation: 51-50=1 Moving to Node #0,2 Current State: 78:[84, 5, 1], Operations: ['51-50=1'] Exploring Operation: 84-5=79, Resulting Numbers: [1, 79] Generated Node #0,2,0: 78:[1, 79] Operation: 84-5=79 Moving to Node #0,2,0 Current State: 78:[1, 79], Operations: ['51-50=1', '84-5=79'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 5, 45, 30, 6 ]
70
[ "5*30=150", "150/6=25", "45+25=70" ]
Current State: 70:[5, 45, 30, 6], Operations: [] Exploring Operation: 5*30=150, Resulting Numbers: [45, 6, 150] Generated Node #2: [45, 6, 150] from Operation: 5*30=150 Current State: 70:[45, 6, 150], Operations: ['5*30=150'] Exploring Operation: 150/6=25, Resulting Numbers: [45, 25] Generated Node #3: [45, 25] from Operation: 150/6=25 Current State: 70:[45, 25], Operations: ['5*30=150', '150/6=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[5, 45, 30, 6], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [5, 6, 15] Generated Node #0,0: 70:[5, 6, 15] Operation: 45-30=15 Exploring Operation: 45+30=75, Resulting Numbers: [5, 6, 75] Generated Node #0,1: 70:[5, 6, 75] Operation: 45+30=75 Moving to Node #0,0 Current State: 70:[5, 6, 15], Operations: ['45-30=15'] Exploring Operation: 15-5=10, Resulting Numbers: [6, 10] Generated Node #0,0,0: 70:[6, 10] Operation: 15-5=10 Exploring Operation: 15-6=9, Resulting Numbers: [5, 9] Generated Node #0,0,1: 70:[5, 9] Operation: 15-6=9 Moving to Node #0,1 Current State: 70:[5, 6, 75], Operations: ['45+30=75'] Exploring Operation: 75-6=69, Resulting Numbers: [5, 69] Generated Node #0,1,0: 70:[5, 69] Operation: 75-6=69 Exploring Operation: 75-5=70, Resulting Numbers: [6, 70] Generated Node #0,1,1: 70:[6, 70] Operation: 75-5=70 Moving to Node #0,0,0 Current State: 70:[6, 10], Operations: ['45-30=15', '15-5=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[5, 69], Operations: ['45+30=75', '75-6=69'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[5, 9], Operations: ['45-30=15', '15-6=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[6, 70], Operations: ['45+30=75', '75-5=70'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 6+70=76, Resulting Numbers: [76] 76,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 28, 15, 25 ]
37
[ "28-1=27", "25-15=10", "27+10=37" ]
Current State: 37:[1, 28, 15, 25], Operations: [] Exploring Operation: 28-1=27, Resulting Numbers: [15, 25, 27] Generated Node #2: [15, 25, 27] from Operation: 28-1=27 Current State: 37:[15, 25, 27], Operations: ['28-1=27'] Exploring Operation: 25-15=10, Resulting Numbers: [27, 10] Generated Node #3: [27, 10] from Operation: 25-15=10 Current State: 37:[27, 10], Operations: ['28-1=27', '25-15=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[1, 28, 15, 25], Operations: [] Exploring Operation: 1*28=28, Resulting Numbers: [15, 25, 28] Generated Node #0,0: 37:[15, 25, 28] Operation: 1*28=28 Exploring Operation: 1+25=26, Resulting Numbers: [28, 15, 26] Generated Node #0,1: 37:[28, 15, 26] Operation: 1+25=26 Exploring Operation: 1+15=16, Resulting Numbers: [28, 25, 16] Generated Node #0,2: 37:[28, 25, 16] Operation: 1+15=16 Exploring Operation: 1+28=29, Resulting Numbers: [15, 25, 29] Generated Node #0,3: 37:[15, 25, 29] Operation: 1+28=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[28, 15, 26], Operations: ['1+25=26'] Exploring Operation: 15+26=41, Resulting Numbers: [28, 41] Generated Node #0,1,0: 37:[28, 41] Operation: 15+26=41 Exploring Operation: 28-15=13, Resulting Numbers: [26, 13] Generated Node #0,1,1: 37:[26, 13] Operation: 28-15=13 Exploring Operation: 26-15=11, Resulting Numbers: [28, 11] Generated Node #0,1,2: 37:[28, 11] Operation: 26-15=11 Exploring Operation: 28+15=43, Resulting Numbers: [26, 43] Generated Node #0,1,3: 37:[26, 43] Operation: 28+15=43 Moving to Node #0,1,0 Current State: 37:[28, 41], Operations: ['1+25=26', '15+26=41'] Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,37 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[26, 43], Operations: ['1+25=26', '28+15=43'] Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,37 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[28, 11], Operations: ['1+25=26', '26-15=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,37 unequal: No Solution Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[26, 13], Operations: ['1+25=26', '28-15=13'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,37 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,37 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: 37:[28, 25, 16], Operations: ['1+15=16'] Exploring Operation: 28+16=44, Resulting Numbers: [25, 44] Generated Node #0,2,0: 37:[25, 44] Operation: 28+16=44 Exploring Operation: 28+25=53, Resulting Numbers: [16, 53] Generated Node #0,2,1: 37:[16, 53] Operation: 28+25=53 Exploring Operation: 25+16=41, Resulting Numbers: [28, 41] Generated Node #0,2,2: 37:[28, 41] Operation: 25+16=41 Exploring Operation: 28-16=12, Resulting Numbers: [25, 12] Generated Node #0,2,3: 37:[25, 12] Operation: 28-16=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[28, 41], Operations: ['1+15=16', '25+16=41'] Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,37 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,37 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: 37:[25, 44], Operations: ['1+15=16', '28+16=44'] Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,37 unequal: No Solution Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,37 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: 37:[16, 53], Operations: ['1+15=16', '28+25=53'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[1, 28, 15, 25], Operations: [] Exploring Operation: 1+15=16, Resulting Numbers: [28, 25, 16] Generated Node #0,2: 37:[28, 25, 16] Operation: 1+15=16 Moving to Node #0,2 Current State: 37:[28, 25, 16], Operations: ['1+15=16'] Exploring Operation: 28+25=53, Resulting Numbers: [16, 53] Generated Node #0,2,1: 37:[16, 53] Operation: 28+25=53 Moving to Node #0,2,1 Current State: 37:[16, 53], Operations: ['1+15=16', '28+25=53'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 21, 2, 2, 96 ]
70
[ "2+96=98", "98/2=49", "21+49=70" ]
Current State: 70:[21, 2, 2, 96], Operations: [] Exploring Operation: 2+96=98, Resulting Numbers: [21, 98] Generated Node #2: [21, 98] from Operation: 2+96=98 Current State: 70:[21, 98], Operations: ['2+96=98'] Exploring Operation: 98/2=49, Resulting Numbers: [21, 49] Generated Node #3: [21, 49] from Operation: 98/2=49 Current State: 70:[21, 49], Operations: ['2+96=98', '98/2=49'] Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[21, 2, 2, 96], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [21, 2, 48] Generated Node #0,0: 70:[21, 2, 48] Operation: 96/2=48 Exploring Operation: 96/2=48, Resulting Numbers: [21, 2, 48] Generated Node #0,1: 70:[21, 2, 48] Operation: 96/2=48 Exploring Operation: 21-2=19, Resulting Numbers: [2, 96, 19] Generated Node #0,2: 70:[2, 96, 19] Operation: 21-2=19 Exploring Operation: 96-21=75, Resulting Numbers: [2, 2, 75] Generated Node #0,3: 70:[2, 2, 75] Operation: 96-21=75 Exploring Operation: 21-2=19, Resulting Numbers: [2, 96, 19] Generated Node #0,4: 70:[2, 96, 19] Operation: 21-2=19 Moving to Node #0,3 Current State: 70:[2, 2, 75], Operations: ['96-21=75'] Exploring Operation: 2+2=4, Resulting Numbers: [75, 4] Generated Node #0,3,0: 70:[75, 4] Operation: 2+2=4 Exploring Operation: 75-2=73, Resulting Numbers: [2, 73] Generated Node #0,3,1: 70:[2, 73] Operation: 75-2=73 Exploring Operation: 2/2=1, Resulting Numbers: [75, 1] Generated Node #0,3,2: 70:[75, 1] Operation: 2/2=1 Exploring Operation: 75-2=73, Resulting Numbers: [2, 73] Generated Node #0,3,3: 70:[2, 73] Operation: 75-2=73 Exploring Operation: 2*2=4, Resulting Numbers: [75, 4] Generated Node #0,3,4: 70:[75, 4] Operation: 2*2=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[2, 73], Operations: ['96-21=75', '75-2=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,70 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,70 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: 70:[2, 73], Operations: ['96-21=75', '75-2=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,70 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,70 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: 70:[75, 4], Operations: ['96-21=75', '2+2=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,70 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,70 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: 70:[75, 1], Operations: ['96-21=75', '2/2=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,70 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: 70:[75, 4], Operations: ['96-21=75', '2*2=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,70 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: 70:[21, 2, 48], Operations: ['96/2=48'] Exploring Operation: 21+48=69, Resulting Numbers: [2, 69] Generated Node #0,1,0: 70:[2, 69] Operation: 21+48=69 Exploring Operation: 48-21=27, Resulting Numbers: [2, 27] Generated Node #0,1,1: 70:[2, 27] Operation: 48-21=27 Exploring Operation: 48-2=46, Resulting Numbers: [21, 46] Generated Node #0,1,2: 70:[21, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [21, 24] Generated Node #0,1,3: 70:[21, 24] Operation: 48/2=24 Exploring Operation: 21-2=19, Resulting Numbers: [48, 19] Generated Node #0,1,4: 70:[48, 19] Operation: 21-2=19 Moving to Node #0,0 Current State: 70:[21, 2, 48], Operations: ['96/2=48'] Exploring Operation: 48-2=46, Resulting Numbers: [21, 46] Generated Node #0,0,0: 70:[21, 46] Operation: 48-2=46 Exploring Operation: 48-21=27, Resulting Numbers: [2, 27] Generated Node #0,0,1: 70:[2, 27] Operation: 48-21=27 Exploring Operation: 21+48=69, Resulting Numbers: [2, 69] Generated Node #0,0,2: 70:[2, 69] Operation: 21+48=69 Exploring Operation: 48/2=24, Resulting Numbers: [21, 24] Generated Node #0,0,3: 70:[21, 24] Operation: 48/2=24 Exploring Operation: 21-2=19, Resulting Numbers: [48, 19] Generated Node #0,0,4: 70:[48, 19] Operation: 21-2=19 Moving to Node #0,2 Current State: 70:[2, 96, 19], Operations: ['21-2=19'] Exploring Operation: 96/2=48, Resulting Numbers: [19, 48] Generated Node #0,2,0: 70:[19, 48] Operation: 96/2=48 Exploring Operation: 96-2=94, Resulting Numbers: [19, 94] Generated Node #0,2,1: 70:[19, 94] Operation: 96-2=94 Exploring Operation: 19-2=17, Resulting Numbers: [96, 17] Generated Node #0,2,2: 70:[96, 17] Operation: 19-2=17 Exploring Operation: 96-19=77, Resulting Numbers: [2, 77] Generated Node #0,2,3: 70:[2, 77] Operation: 96-19=77 Exploring Operation: 2*19=38, Resulting Numbers: [96, 38] Generated Node #0,2,4: 70:[96, 38] Operation: 2*19=38 Moving to Node #0,4 Current State: 70:[2, 96, 19], Operations: ['21-2=19'] Exploring Operation: 19-2=17, Resulting Numbers: [96, 17] Generated Node #0,4,0: 70:[96, 17] Operation: 19-2=17 Exploring Operation: 96-19=77, Resulting Numbers: [2, 77] Generated Node #0,4,1: 70:[2, 77] Operation: 96-19=77 Exploring Operation: 96/2=48, Resulting Numbers: [19, 48] Generated Node #0,4,2: 70:[19, 48] Operation: 96/2=48 Exploring Operation: 2*19=38, Resulting Numbers: [96, 38] Generated Node #0,4,3: 70:[96, 38] Operation: 2*19=38 Exploring Operation: 96-2=94, Resulting Numbers: [19, 94] Generated Node #0,4,4: 70:[19, 94] Operation: 96-2=94 Moving to Node #0,1,0 Current State: 70:[2, 69], Operations: ['96/2=48', '21+48=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[2, 69], Operations: ['96/2=48', '21+48=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[2, 77], Operations: ['21-2=19', '96-19=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[2, 77], Operations: ['21-2=19', '96-19=77'] Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,70 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[2, 27], Operations: ['96/2=48', '48-21=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[2, 27], Operations: ['96/2=48', '48-21=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[21, 24], Operations: ['96/2=48', '48/2=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[21, 24], Operations: ['96/2=48', '48/2=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[19, 48], Operations: ['21-2=19', '96/2=48'] Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,70 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,1,4 Current State: 70:[48, 19], Operations: ['96/2=48', '21-2=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,70 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,0,4 Current State: 70:[48, 19], Operations: ['96/2=48', '21-2=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,70 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[21, 46], Operations: ['96/2=48', '48-2=46'] Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,70 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[21, 46], Operations: ['96/2=48', '48-2=46'] Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,70 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[19, 48], Operations: ['21-2=19', '96/2=48'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,70 unequal: No Solution Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[96, 38], Operations: ['21-2=19', '2*19=38'] Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,70 unequal: No Solution Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[19, 94], Operations: ['21-2=19', '96-2=94'] Exploring Operation: 19*94=1786, Resulting Numbers: [1786] 1786,70 unequal: No Solution Exploring Operation: 19+94=113, Resulting Numbers: [113] 113,70 unequal: No Solution Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[19, 94], Operations: ['21-2=19', '96-2=94'] Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 19*94=1786, Resulting Numbers: [1786] 1786,70 unequal: No Solution Exploring Operation: 19+94=113, Resulting Numbers: [113] 113,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[96, 38], Operations: ['21-2=19', '2*19=38'] Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,70 unequal: No Solution Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[96, 17], Operations: ['21-2=19', '19-2=17'] Exploring Operation: 96*17=1632, Resulting Numbers: [1632] 1632,70 unequal: No Solution Exploring Operation: 96+17=113, Resulting Numbers: [113] 113,70 unequal: No Solution Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[96, 17], Operations: ['21-2=19', '19-2=17'] Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 96+17=113, Resulting Numbers: [113] 113,70 unequal: No Solution Exploring Operation: 96*17=1632, Resulting Numbers: [1632] 1632,70 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 46, 40, 28, 39 ]
19
[ "46+40=86", "28+39=67", "86-67=19" ]
Current State: 19:[46, 40, 28, 39], Operations: [] Exploring Operation: 46+40=86, Resulting Numbers: [28, 39, 86] Generated Node #2: [28, 39, 86] from Operation: 46+40=86 Current State: 19:[28, 39, 86], Operations: ['46+40=86'] Exploring Operation: 28+39=67, Resulting Numbers: [86, 67] Generated Node #3: [86, 67] from Operation: 28+39=67 Current State: 19:[86, 67], Operations: ['46+40=86', '28+39=67'] Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[46, 40, 28, 39], Operations: [] Exploring Operation: 46-40=6, Resulting Numbers: [28, 39, 6] Generated Node #0,0: 19:[28, 39, 6] Operation: 46-40=6 Exploring Operation: 46-28=18, Resulting Numbers: [40, 39, 18] Generated Node #0,1: 19:[40, 39, 18] Operation: 46-28=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[28, 39, 6], Operations: ['46-40=6'] Exploring Operation: 28-6=22, Resulting Numbers: [39, 22] Generated Node #0,0,0: 19:[39, 22] Operation: 28-6=22 Exploring Operation: 39-28=11, Resulting Numbers: [6, 11] Generated Node #0,0,1: 19:[6, 11] Operation: 39-28=11 Moving to Node #0,0,1 Current State: 19:[6, 11], Operations: ['46-40=6', '39-28=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[39, 22], Operations: ['46-40=6', '28-6=22'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,19 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 #0,1 Current State: 19:[40, 39, 18], Operations: ['46-28=18'] Exploring Operation: 40-39=1, Resulting Numbers: [18, 1] Generated Node #0,1,0: 19:[18, 1] Operation: 40-39=1 Exploring Operation: 40-18=22, Resulting Numbers: [39, 22] Generated Node #0,1,1: 19:[39, 22] Operation: 40-18=22 Moving to Node #0,1,0 Current State: 19:[18, 1], Operations: ['46-28=18', '40-39=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[46, 40, 28, 39], Operations: [] Exploring Operation: 46-28=18, Resulting Numbers: [40, 39, 18] Generated Node #0,1: 19:[40, 39, 18] Operation: 46-28=18 Moving to Node #0,1 Current State: 19:[40, 39, 18], Operations: ['46-28=18'] Exploring Operation: 40-39=1, Resulting Numbers: [18, 1] Generated Node #0,1,0: 19:[18, 1] Operation: 40-39=1 Moving to Node #0,1,0 Current State: 19:[18, 1], Operations: ['46-28=18', '40-39=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 76, 55, 49, 3 ]
46
[ "76-49=27", "27/3=9", "55-9=46" ]
Current State: 46:[76, 55, 49, 3], Operations: [] Exploring Operation: 76-49=27, Resulting Numbers: [55, 3, 27] Generated Node #2: [55, 3, 27] from Operation: 76-49=27 Current State: 46:[55, 3, 27], Operations: ['76-49=27'] Exploring Operation: 27/3=9, Resulting Numbers: [55, 9] Generated Node #3: [55, 9] from Operation: 27/3=9 Current State: 46:[55, 9], Operations: ['76-49=27', '27/3=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[76, 55, 49, 3], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [49, 3, 21] Generated Node #0,0: 46:[49, 3, 21] Operation: 76-55=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[49, 3, 21], Operations: ['76-55=21'] Exploring Operation: 49-3=46, Resulting Numbers: [21, 46] Generated Node #0,0,0: 46:[21, 46] Operation: 49-3=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[21, 46], Operations: ['76-55=21', '49-3=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,46 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
[ 27, 21, 91, 75 ]
89
[ "75-21=54", "54/27=2", "91-2=89" ]
Current State: 89:[27, 21, 91, 75], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [27, 91, 54] Generated Node #2: [27, 91, 54] from Operation: 75-21=54 Current State: 89:[27, 91, 54], Operations: ['75-21=54'] Exploring Operation: 54/27=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 54/27=2 Current State: 89:[91, 2], Operations: ['75-21=54', '54/27=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[27, 21, 91, 75], Operations: [] Exploring Operation: 27+21=48, Resulting Numbers: [91, 75, 48] Generated Node #0,0: 89:[91, 75, 48] Operation: 27+21=48 Moving to Node #0,0 Current State: 89:[91, 75, 48], Operations: ['27+21=48'] Exploring Operation: 75+48=123, Resulting Numbers: [91, 123] Generated Node #0,0,0: 89:[91, 123] Operation: 75+48=123 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[91, 123], Operations: ['27+21=48', '75+48=123'] Exploring Operation: 123-91=32, Resulting Numbers: [32] 32,89 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
[ 66, 17, 10, 27 ]
34
[ "27-17=10", "10*10=100", "100-66=34" ]
Current State: 34:[66, 17, 10, 27], Operations: [] Exploring Operation: 27-17=10, Resulting Numbers: [66, 10, 10] Generated Node #2: [66, 10, 10] from Operation: 27-17=10 Current State: 34:[66, 10, 10], Operations: ['27-17=10'] Exploring Operation: 10*10=100, Resulting Numbers: [66, 100] Generated Node #3: [66, 100] from Operation: 10*10=100 Current State: 34:[66, 100], Operations: ['27-17=10', '10*10=100'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[66, 17, 10, 27], Operations: [] Exploring Operation: 66-17=49, Resulting Numbers: [10, 27, 49] Generated Node #0,0: 34:[10, 27, 49] Operation: 66-17=49 Exploring Operation: 66-27=39, Resulting Numbers: [17, 10, 39] Generated Node #0,1: 34:[17, 10, 39] Operation: 66-27=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[17, 10, 39], Operations: ['66-27=39'] Exploring Operation: 17-10=7, Resulting Numbers: [39, 7] Generated Node #0,1,0: 34:[39, 7] Operation: 17-10=7 Exploring Operation: 39-10=29, Resulting Numbers: [17, 29] Generated Node #0,1,1: 34:[17, 29] Operation: 39-10=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[17, 29], Operations: ['66-27=39', '39-10=29'] Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,34 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 #0,1,0 Current State: 34:[39, 7], Operations: ['66-27=39', '17-10=7'] Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,34 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 #0,0 Current State: 34:[10, 27, 49], Operations: ['66-17=49'] Exploring Operation: 49-27=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 34:[10, 22] Operation: 49-27=22 Exploring Operation: 49-10=39, Resulting Numbers: [27, 39] Generated Node #0,0,1: 34:[27, 39] Operation: 49-10=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[10, 22], Operations: ['66-17=49', '49-27=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 10+22=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:[27, 39], Operations: ['66-17=49', '49-10=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,34 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 No solution found.
0
hs_2
sum_heuristic
[ 70, 80, 80, 11 ]
70
[ "80-80=0", "11*0=0", "70+0=70" ]
Current State: 70:[70, 80, 80, 11], Operations: [] Exploring Operation: 80-80=0, Resulting Numbers: [70, 11, 0] Generated Node #2: [70, 11, 0] from Operation: 80-80=0 Current State: 70:[70, 11, 0], Operations: ['80-80=0'] Exploring Operation: 11*0=0, Resulting Numbers: [70, 0] Generated Node #3: [70, 0] from Operation: 11*0=0 Current State: 70:[70, 0], Operations: ['80-80=0', '11*0=0'] Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[70, 80, 80, 11], Operations: [] Exploring Operation: 80/80=1, Resulting Numbers: [70, 11, 1] Generated Node #0,0: 70:[70, 11, 1] Operation: 80/80=1 Exploring Operation: 80-80=0, Resulting Numbers: [70, 11, 0] Generated Node #0,1: 70:[70, 11, 0] Operation: 80-80=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[70, 11, 1], Operations: ['80/80=1'] Exploring Operation: 11-1=10, Resulting Numbers: [70, 10] Generated Node #0,0,0: 70:[70, 10] Operation: 11-1=10 Exploring Operation: 70*1=70, Resulting Numbers: [11, 70] Generated Node #0,0,1: 70:[11, 70] Operation: 70*1=70 Moving to Node #0,0,0 Current State: 70:[70, 10], Operations: ['80/80=1', '11-1=10'] Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[11, 70], Operations: ['80/80=1', '70*1=70'] Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,70 unequal: No Solution Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,70 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: 70:[70, 11, 0], Operations: ['80-80=0'] Exploring Operation: 70-0=70, Resulting Numbers: [11, 70] Generated Node #0,1,0: 70:[11, 70] Operation: 70-0=70 Exploring Operation: 70+0=70, Resulting Numbers: [11, 70] Generated Node #0,1,1: 70:[11, 70] Operation: 70+0=70 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[11, 70], Operations: ['80-80=0', '70-0=70'] Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,70 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 #0,1,1 Current State: 70:[11, 70], Operations: ['80-80=0', '70+0=70'] Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,70 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
[ 50, 81, 86, 91 ]
91
[ "91-81=10", "50/10=5", "86+5=91" ]
Current State: 91:[50, 81, 86, 91], Operations: [] Exploring Operation: 91-81=10, Resulting Numbers: [50, 86, 10] Generated Node #2: [50, 86, 10] from Operation: 91-81=10 Current State: 91:[50, 86, 10], Operations: ['91-81=10'] Exploring Operation: 50/10=5, Resulting Numbers: [86, 5] Generated Node #3: [86, 5] from Operation: 50/10=5 Current State: 91:[86, 5], Operations: ['91-81=10', '50/10=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[50, 81, 86, 91], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [86, 91, 31] Generated Node #0,0: 91:[86, 91, 31] Operation: 81-50=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[86, 91, 31], Operations: ['81-50=31'] Exploring Operation: 91-86=5, Resulting Numbers: [31, 5] Generated Node #0,0,0: 91:[31, 5] Operation: 91-86=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[31, 5], Operations: ['81-50=31', '91-86=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,91 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
[ 53, 22, 28, 20 ]
39
[ "53-22=31", "28-20=8", "31+8=39" ]
Current State: 39:[53, 22, 28, 20], Operations: [] Exploring Operation: 53-22=31, Resulting Numbers: [28, 20, 31] Generated Node #2: [28, 20, 31] from Operation: 53-22=31 Current State: 39:[28, 20, 31], Operations: ['53-22=31'] Exploring Operation: 28-20=8, Resulting Numbers: [31, 8] Generated Node #3: [31, 8] from Operation: 28-20=8 Current State: 39:[31, 8], Operations: ['53-22=31', '28-20=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[53, 22, 28, 20], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [53, 28, 2] Generated Node #0,0: 39:[53, 28, 2] Operation: 22-20=2 Exploring Operation: 53-22=31, Resulting Numbers: [28, 20, 31] Generated Node #0,1: 39:[28, 20, 31] Operation: 53-22=31 Exploring Operation: 28-22=6, Resulting Numbers: [53, 20, 6] Generated Node #0,2: 39:[53, 20, 6] Operation: 28-22=6 Exploring Operation: 53-20=33, Resulting Numbers: [22, 28, 33] Generated Node #0,3: 39:[22, 28, 33] Operation: 53-20=33 Moving to Node #0,2 Current State: 39:[53, 20, 6], Operations: ['28-22=6'] Exploring Operation: 53-6=47, Resulting Numbers: [20, 47] Generated Node #0,2,0: 39:[20, 47] Operation: 53-6=47 Exploring Operation: 53+6=59, Resulting Numbers: [20, 59] Generated Node #0,2,1: 39:[20, 59] Operation: 53+6=59 Exploring Operation: 53-20=33, Resulting Numbers: [6, 33] Generated Node #0,2,2: 39:[6, 33] Operation: 53-20=33 Exploring Operation: 20-6=14, Resulting Numbers: [53, 14] Generated Node #0,2,3: 39:[53, 14] Operation: 20-6=14 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[6, 33], Operations: ['28-22=6', '53-20=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[53, 22, 28, 20], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [53, 20, 6] Generated Node #0,2: 39:[53, 20, 6] Operation: 28-22=6 Moving to Node #0,2 Current State: 39:[53, 20, 6], Operations: ['28-22=6'] Exploring Operation: 53-20=33, Resulting Numbers: [6, 33] Generated Node #0,2,2: 39:[6, 33] Operation: 53-20=33 Moving to Node #0,2,2 Current State: 39:[6, 33], Operations: ['28-22=6', '53-20=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 8, 5, 28, 7 ]
25
[ "8+7=15", "15/5=3", "28-3=25" ]
Current State: 25:[8, 5, 28, 7], Operations: [] Exploring Operation: 8+7=15, Resulting Numbers: [5, 28, 15] Generated Node #2: [5, 28, 15] from Operation: 8+7=15 Current State: 25:[5, 28, 15], Operations: ['8+7=15'] Exploring Operation: 15/5=3, Resulting Numbers: [28, 3] Generated Node #3: [28, 3] from Operation: 15/5=3 Current State: 25:[28, 3], Operations: ['8+7=15', '15/5=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[8, 5, 28, 7], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [8, 5, 4] Generated Node #0,0: 25:[8, 5, 4] Operation: 28/7=4 Exploring Operation: 8-5=3, Resulting Numbers: [28, 7, 3] Generated Node #0,1: 25:[28, 7, 3] Operation: 8-5=3 Moving to Node #0,0 Current State: 25:[8, 5, 4], Operations: ['28/7=4'] Exploring Operation: 8-4=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 25:[5, 4] Operation: 8-4=4 Exploring Operation: 8-5=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 25:[4, 3] Operation: 8-5=3 Moving to Node #0,1 Current State: 25:[28, 7, 3], Operations: ['8-5=3'] Exploring Operation: 28-3=25, Resulting Numbers: [7, 25] Generated Node #0,1,0: 25:[7, 25] Operation: 28-3=25 Exploring Operation: 28/7=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 25:[3, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[7, 25], Operations: ['8-5=3', '28-3=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,25 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: 25:[3, 4], Operations: ['8-5=3', '28/7=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 25:[5, 4], Operations: ['28/7=4', '8-4=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[4, 3], Operations: ['28/7=4', '8-5=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 21, 1, 56, 58 ]
19
[ "21*1=21", "58-56=2", "21-2=19" ]
Current State: 19:[21, 1, 56, 58], Operations: [] Exploring Operation: 21*1=21, Resulting Numbers: [56, 58, 21] Generated Node #2: [56, 58, 21] from Operation: 21*1=21 Current State: 19:[56, 58, 21], Operations: ['21*1=21'] Exploring Operation: 58-56=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 58-56=2 Current State: 19:[21, 2], Operations: ['21*1=21', '58-56=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[21, 1, 56, 58], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [21, 1, 2] Generated Node #0,0: 19:[21, 1, 2] Operation: 58-56=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[21, 1, 2], Operations: ['58-56=2'] Exploring Operation: 21-1=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 19:[2, 20] Operation: 21-1=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[2, 20], Operations: ['58-56=2', '21-1=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,19 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
[ 64, 72, 2, 58 ]
63
[ "58-2=56", "72*56=4032", "4032/64=63" ]
Current State: 63:[64, 72, 2, 58], Operations: [] Exploring Operation: 58-2=56, Resulting Numbers: [64, 72, 56] Generated Node #2: [64, 72, 56] from Operation: 58-2=56 Current State: 63:[64, 72, 56], Operations: ['58-2=56'] Exploring Operation: 72*56=4032, Resulting Numbers: [64, 4032] Generated Node #3: [64, 4032] from Operation: 72*56=4032 Current State: 63:[64, 4032], Operations: ['58-2=56', '72*56=4032'] Exploring Operation: 4032/64=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[64, 72, 2, 58], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [2, 58, 8] Generated Node #0,0: 63:[2, 58, 8] Operation: 72-64=8 Moving to Node #0,0 Current State: 63:[2, 58, 8], Operations: ['72-64=8'] Exploring Operation: 2+58=60, Resulting Numbers: [8, 60] Generated Node #0,0,0: 63:[8, 60] Operation: 2+58=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[8, 60], Operations: ['72-64=8', '2+58=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,63 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
[ 6, 40, 88, 80 ]
54
[ "6+40=46", "88-80=8", "46+8=54" ]
Current State: 54:[6, 40, 88, 80], Operations: [] Exploring Operation: 6+40=46, Resulting Numbers: [88, 80, 46] Generated Node #2: [88, 80, 46] from Operation: 6+40=46 Current State: 54:[88, 80, 46], Operations: ['6+40=46'] Exploring Operation: 88-80=8, Resulting Numbers: [46, 8] Generated Node #3: [46, 8] from Operation: 88-80=8 Current State: 54:[46, 8], Operations: ['6+40=46', '88-80=8'] Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[6, 40, 88, 80], Operations: [] Exploring Operation: 88-40=48, Resulting Numbers: [6, 80, 48] Generated Node #0,0: 54:[6, 80, 48] Operation: 88-40=48 Exploring Operation: 88-80=8, Resulting Numbers: [6, 40, 8] Generated Node #0,1: 54:[6, 40, 8] Operation: 88-80=8 Exploring Operation: 80/40=2, Resulting Numbers: [6, 88, 2] Generated Node #0,2: 54:[6, 88, 2] Operation: 80/40=2 Exploring Operation: 40-6=34, Resulting Numbers: [88, 80, 34] Generated Node #0,3: 54:[88, 80, 34] Operation: 40-6=34 Exploring Operation: 80-40=40, Resulting Numbers: [6, 88, 40] Generated Node #0,4: 54:[6, 88, 40] Operation: 80-40=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[6, 40, 8], Operations: ['88-80=8'] Exploring Operation: 40-6=34, Resulting Numbers: [8, 34] Generated Node #0,1,0: 54:[8, 34] Operation: 40-6=34 Exploring Operation: 40-8=32, Resulting Numbers: [6, 32] Generated Node #0,1,1: 54:[6, 32] Operation: 40-8=32 Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #0,1,2: 54:[6, 5] Operation: 40/8=5 Exploring Operation: 6+40=46, Resulting Numbers: [8, 46] Generated Node #0,1,3: 54:[8, 46] Operation: 6+40=46 Exploring Operation: 40+8=48, Resulting Numbers: [6, 48] Generated Node #0,1,4: 54:[6, 48] Operation: 40+8=48 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[6, 5], Operations: ['88-80=8', '40/8=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,54 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: 54:[6, 32], Operations: ['88-80=8', '40-8=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,54 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,54 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: 54:[6, 48], Operations: ['88-80=8', '40+8=48'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 6*48=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[6, 40, 88, 80], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [6, 40, 8] Generated Node #0,1: 54:[6, 40, 8] Operation: 88-80=8 Moving to Node #0,1 Current State: 54:[6, 40, 8], Operations: ['88-80=8'] Exploring Operation: 40+8=48, Resulting Numbers: [6, 48] Generated Node #0,1,4: 54:[6, 48] Operation: 40+8=48 Moving to Node #0,1,4 Current State: 54:[6, 48], Operations: ['88-80=8', '40+8=48'] Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 50, 82, 77, 81 ]
85
[ "77-50=27", "81/27=3", "82+3=85" ]
Current State: 85:[50, 82, 77, 81], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [82, 81, 27] Generated Node #2: [82, 81, 27] from Operation: 77-50=27 Current State: 85:[82, 81, 27], Operations: ['77-50=27'] Exploring Operation: 81/27=3, Resulting Numbers: [82, 3] Generated Node #3: [82, 3] from Operation: 81/27=3 Current State: 85:[82, 3], Operations: ['77-50=27', '81/27=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[50, 82, 77, 81], Operations: [] Exploring Operation: 82-50=32, Resulting Numbers: [77, 81, 32] Generated Node #0,0: 85:[77, 81, 32] Operation: 82-50=32 Exploring Operation: 81-50=31, Resulting Numbers: [82, 77, 31] Generated Node #0,1: 85:[82, 77, 31] Operation: 81-50=31 Exploring Operation: 77-50=27, Resulting Numbers: [82, 81, 27] Generated Node #0,2: 85:[82, 81, 27] Operation: 77-50=27 Moving to Node #0,2 Current State: 85:[82, 81, 27], Operations: ['77-50=27'] Exploring Operation: 81/27=3, Resulting Numbers: [82, 3] Generated Node #0,2,0: 85:[82, 3] Operation: 81/27=3 Exploring Operation: 82-81=1, Resulting Numbers: [27, 1] Generated Node #0,2,1: 85:[27, 1] Operation: 82-81=1 Exploring Operation: 81+27=108, Resulting Numbers: [82, 108] Generated Node #0,2,2: 85:[82, 108] Operation: 81+27=108 Moving to Node #0,1 Current State: 85:[82, 77, 31], Operations: ['81-50=31'] Exploring Operation: 77+31=108, Resulting Numbers: [82, 108] Generated Node #0,1,0: 85:[82, 108] Operation: 77+31=108 Exploring Operation: 82-77=5, Resulting Numbers: [31, 5] Generated Node #0,1,1: 85:[31, 5] Operation: 82-77=5 Exploring Operation: 77-31=46, Resulting Numbers: [82, 46] Generated Node #0,1,2: 85:[82, 46] Operation: 77-31=46 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[31, 5], Operations: ['81-50=31', '82-77=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,85 unequal: No Solution Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 31*5=155, Resulting Numbers: [155] 155,85 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 #0,1,0 Current State: 85:[82, 108], Operations: ['81-50=31', '77+31=108'] Exploring Operation: 108-82=26, Resulting Numbers: [26] 26,85 unequal: No Solution Exploring Operation: 82*108=8856, Resulting Numbers: [8856] 8856,85 unequal: No Solution Exploring Operation: 82+108=190, Resulting Numbers: [190] 190,85 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 #0,1,2 Current State: 85:[82, 46], Operations: ['81-50=31', '77-31=46'] Exploring Operation: 82*46=3772, Resulting Numbers: [3772] 3772,85 unequal: No Solution Exploring Operation: 82+46=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,85 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: 85:[77, 81, 32], Operations: ['82-50=32'] Exploring Operation: 77+32=109, Resulting Numbers: [81, 109] Generated Node #0,0,0: 85:[81, 109] Operation: 77+32=109 Exploring Operation: 81-77=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 85:[32, 4] Operation: 81-77=4 Exploring Operation: 77-32=45, Resulting Numbers: [81, 45] Generated Node #0,0,2: 85:[81, 45] Operation: 77-32=45 Moving to Node #0,2,0 Current State: 85:[82, 3], Operations: ['77-50=27', '81/27=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,85 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[50, 82, 77, 81], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [82, 81, 27] Generated Node #0,2: 85:[82, 81, 27] Operation: 77-50=27 Moving to Node #0,2 Current State: 85:[82, 81, 27], Operations: ['77-50=27'] Exploring Operation: 81/27=3, Resulting Numbers: [82, 3] Generated Node #0,2,0: 85:[82, 3] Operation: 81/27=3 Moving to Node #0,2,0 Current State: 85:[82, 3], Operations: ['77-50=27', '81/27=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 77, 89, 79, 1 ]
92
[ "89-77=12", "79+1=80", "12+80=92" ]
Current State: 92:[77, 89, 79, 1], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [79, 1, 12] Generated Node #2: [79, 1, 12] from Operation: 89-77=12 Current State: 92:[79, 1, 12], Operations: ['89-77=12'] Exploring Operation: 79+1=80, Resulting Numbers: [12, 80] Generated Node #3: [12, 80] from Operation: 79+1=80 Current State: 92:[12, 80], Operations: ['89-77=12', '79+1=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[77, 89, 79, 1], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [79, 1, 12] Generated Node #0,0: 92:[79, 1, 12] Operation: 89-77=12 Exploring Operation: 79-77=2, Resulting Numbers: [89, 1, 2] Generated Node #0,1: 92:[89, 1, 2] Operation: 79-77=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[89, 1, 2], Operations: ['79-77=2'] Exploring Operation: 89+1=90, Resulting Numbers: [2, 90] Generated Node #0,1,0: 92:[2, 90] Operation: 89+1=90 Exploring Operation: 89+2=91, Resulting Numbers: [1, 91] Generated Node #0,1,1: 92:[1, 91] Operation: 89+2=91 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[2, 90], Operations: ['79-77=2', '89+1=90'] Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[77, 89, 79, 1], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [89, 1, 2] Generated Node #0,1: 92:[89, 1, 2] Operation: 79-77=2 Moving to Node #0,1 Current State: 92:[89, 1, 2], Operations: ['79-77=2'] Exploring Operation: 89+1=90, Resulting Numbers: [2, 90] Generated Node #0,1,0: 92:[2, 90] Operation: 89+1=90 Moving to Node #0,1,0 Current State: 92:[2, 90], Operations: ['79-77=2', '89+1=90'] Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 69, 79, 80, 28 ]
41
[ "69-28=41", "80-79=1", "41*1=41" ]
Current State: 41:[69, 79, 80, 28], Operations: [] Exploring Operation: 69-28=41, Resulting Numbers: [79, 80, 41] Generated Node #2: [79, 80, 41] from Operation: 69-28=41 Current State: 41:[79, 80, 41], Operations: ['69-28=41'] Exploring Operation: 80-79=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 80-79=1 Current State: 41:[41, 1], Operations: ['69-28=41', '80-79=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[69, 79, 80, 28], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [79, 28, 11] Generated Node #0,0: 41:[79, 28, 11] Operation: 80-69=11 Exploring Operation: 79-28=51, Resulting Numbers: [69, 80, 51] Generated Node #0,1: 41:[69, 80, 51] Operation: 79-28=51 Exploring Operation: 69-28=41, Resulting Numbers: [79, 80, 41] Generated Node #0,2: 41:[79, 80, 41] Operation: 69-28=41 Exploring Operation: 80-28=52, Resulting Numbers: [69, 79, 52] Generated Node #0,3: 41:[69, 79, 52] Operation: 80-28=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[69, 80, 51], Operations: ['79-28=51'] Exploring Operation: 69+80=149, Resulting Numbers: [51, 149] Generated Node #0,1,0: 41:[51, 149] Operation: 69+80=149 Exploring Operation: 69-51=18, Resulting Numbers: [80, 18] Generated Node #0,1,1: 41:[80, 18] Operation: 69-51=18 Exploring Operation: 80-69=11, Resulting Numbers: [51, 11] Generated Node #0,1,2: 41:[51, 11] Operation: 80-69=11 Exploring Operation: 80-51=29, Resulting Numbers: [69, 29] Generated Node #0,1,3: 41:[69, 29] Operation: 80-51=29 Moving to Node #0,1,2 Current State: 41:[51, 11], Operations: ['79-28=51', '80-69=11'] Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,41 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,41 unequal: No Solution Moving to Node #0,1,3 Current State: 41:[69, 29], Operations: ['79-28=51', '80-51=29'] Exploring Operation: 69+29=98, Resulting Numbers: [98] 98,41 unequal: No Solution Exploring Operation: 69*29=2001, Resulting Numbers: [2001] 2001,41 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[80, 18], Operations: ['79-28=51', '69-51=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,41 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[51, 149], Operations: ['79-28=51', '69+80=149'] Exploring Operation: 149-51=98, Resulting Numbers: [98] 98,41 unequal: No Solution Exploring Operation: 51*149=7599, Resulting Numbers: [7599] 7599,41 unequal: No Solution Exploring Operation: 51+149=200, Resulting Numbers: [200] 200,41 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: 41:[79, 80, 41], Operations: ['69-28=41'] Exploring Operation: 79+80=159, Resulting Numbers: [41, 159] Generated Node #0,2,0: 41:[41, 159] Operation: 79+80=159 Exploring Operation: 79-41=38, Resulting Numbers: [80, 38] Generated Node #0,2,1: 41:[80, 38] Operation: 79-41=38 Exploring Operation: 80-79=1, Resulting Numbers: [41, 1] Generated Node #0,2,2: 41:[41, 1] Operation: 80-79=1 Exploring Operation: 80-41=39, Resulting Numbers: [79, 39] Generated Node #0,2,3: 41:[79, 39] Operation: 80-41=39 Moving to Node #0,2,2 Current State: 41:[41, 1], Operations: ['69-28=41', '80-79=1'] Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[69, 79, 80, 28], Operations: [] Exploring Operation: 69-28=41, Resulting Numbers: [79, 80, 41] Generated Node #0,2: 41:[79, 80, 41] Operation: 69-28=41 Moving to Node #0,2 Current State: 41:[79, 80, 41], Operations: ['69-28=41'] Exploring Operation: 80-79=1, Resulting Numbers: [41, 1] Generated Node #0,2,2: 41:[41, 1] Operation: 80-79=1 Moving to Node #0,2,2 Current State: 41:[41, 1], Operations: ['69-28=41', '80-79=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 65, 34, 41, 41 ]
99
[ "65+34=99", "41-41=0", "99+0=99" ]
Current State: 99:[65, 34, 41, 41], Operations: [] Exploring Operation: 65+34=99, Resulting Numbers: [41, 41, 99] Generated Node #2: [41, 41, 99] from Operation: 65+34=99 Current State: 99:[41, 41, 99], Operations: ['65+34=99'] Exploring Operation: 41-41=0, Resulting Numbers: [99, 0] Generated Node #3: [99, 0] from Operation: 41-41=0 Current State: 99:[99, 0], Operations: ['65+34=99', '41-41=0'] Exploring Operation: 99+0=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[65, 34, 41, 41], Operations: [] Exploring Operation: 65+34=99, Resulting Numbers: [41, 41, 99] Generated Node #0,0: 99:[41, 41, 99] Operation: 65+34=99 Moving to Node #0,0 Current State: 99:[41, 41, 99], Operations: ['65+34=99'] Exploring Operation: 41/41=1, Resulting Numbers: [99, 1] Generated Node #0,0,0: 99:[99, 1] Operation: 41/41=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[99, 1], Operations: ['65+34=99', '41/41=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[65, 34, 41, 41], Operations: [] Exploring Operation: 65+34=99, Resulting Numbers: [41, 41, 99] Generated Node #0,0: 99:[41, 41, 99] Operation: 65+34=99 Moving to Node #0,0 Current State: 99:[41, 41, 99], Operations: ['65+34=99'] Exploring Operation: 41/41=1, Resulting Numbers: [99, 1] Generated Node #0,0,0: 99:[99, 1] Operation: 41/41=1 Moving to Node #0,0,0 Current State: 99:[99, 1], Operations: ['65+34=99', '41/41=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 45, 25, 44 ]
69
[ "44-25=19", "6*19=114", "114-45=69" ]
Current State: 69:[6, 45, 25, 44], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [6, 45, 19] Generated Node #2: [6, 45, 19] from Operation: 44-25=19 Current State: 69:[6, 45, 19], Operations: ['44-25=19'] Exploring Operation: 6*19=114, Resulting Numbers: [45, 114] Generated Node #3: [45, 114] from Operation: 6*19=114 Current State: 69:[45, 114], Operations: ['44-25=19', '6*19=114'] Exploring Operation: 114-45=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[6, 45, 25, 44], Operations: [] Exploring Operation: 45+44=89, Resulting Numbers: [6, 25, 89] Generated Node #0,0: 69:[6, 25, 89] Operation: 45+44=89 Exploring Operation: 45-44=1, Resulting Numbers: [6, 25, 1] Generated Node #0,1: 69:[6, 25, 1] Operation: 45-44=1 Exploring Operation: 45+25=70, Resulting Numbers: [6, 44, 70] Generated Node #0,2: 69:[6, 44, 70] Operation: 45+25=70 Exploring Operation: 45-25=20, Resulting Numbers: [6, 44, 20] Generated Node #0,3: 69:[6, 44, 20] Operation: 45-25=20 Exploring Operation: 25+44=69, Resulting Numbers: [6, 45, 69] Generated Node #0,4: 69:[6, 45, 69] Operation: 25+44=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[6, 25, 1], Operations: ['45-44=1'] Exploring Operation: 6*1=6, Resulting Numbers: [25, 6] Generated Node #0,1,0: 69:[25, 6] Operation: 6*1=6 Exploring Operation: 6-1=5, Resulting Numbers: [25, 5] Generated Node #0,1,1: 69:[25, 5] Operation: 6-1=5 Exploring Operation: 6/1=6, Resulting Numbers: [25, 6] Generated Node #0,1,2: 69:[25, 6] Operation: 6/1=6 Exploring Operation: 25*1=25, Resulting Numbers: [6, 25] Generated Node #0,1,3: 69:[6, 25] Operation: 25*1=25 Exploring Operation: 25-1=24, Resulting Numbers: [6, 24] Generated Node #0,1,4: 69:[6, 24] Operation: 25-1=24 Moving to Node #0,1,1 Current State: 69:[25, 5], Operations: ['45-44=1', '6-1=5'] Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,69 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,69 unequal: No Solution Moving to Node #0,1,4 Current State: 69:[6, 24], Operations: ['45-44=1', '25-1=24'] Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,69 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[25, 6], Operations: ['45-44=1', '6*1=6'] Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,69 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,69 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[25, 6], Operations: ['45-44=1', '6/1=6'] Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,69 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,69 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[6, 25], Operations: ['45-44=1', '25*1=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,69 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,69 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,69 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 #0,0 Current State: 69:[6, 25, 89], Operations: ['45+44=89'] Exploring Operation: 6+89=95, Resulting Numbers: [25, 95] Generated Node #0,0,0: 69:[25, 95] Operation: 6+89=95 Exploring Operation: 89-6=83, Resulting Numbers: [25, 83] Generated Node #0,0,1: 69:[25, 83] Operation: 89-6=83 Exploring Operation: 89-25=64, Resulting Numbers: [6, 64] Generated Node #0,0,2: 69:[6, 64] Operation: 89-25=64 Exploring Operation: 6+25=31, Resulting Numbers: [89, 31] Generated Node #0,0,3: 69:[89, 31] Operation: 6+25=31 Exploring Operation: 25-6=19, Resulting Numbers: [89, 19] Generated Node #0,0,4: 69:[89, 19] Operation: 25-6=19 Moving to Node #0,0,2 Current State: 69:[6, 64], Operations: ['45+44=89', '89-25=64'] Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[25, 83], Operations: ['45+44=89', '89-6=83'] Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,69 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[89, 19], Operations: ['45+44=89', '25-6=19'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[25, 95], Operations: ['45+44=89', '6+89=95'] Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,69 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[89, 31], Operations: ['45+44=89', '6+25=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,69 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,69 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:[6, 44, 70], Operations: ['45+25=70'] Exploring Operation: 70-6=64, Resulting Numbers: [44, 64] Generated Node #0,2,0: 69:[44, 64] Operation: 70-6=64 Exploring Operation: 6+70=76, Resulting Numbers: [44, 76] Generated Node #0,2,1: 69:[44, 76] Operation: 6+70=76 Exploring Operation: 70-44=26, Resulting Numbers: [6, 26] Generated Node #0,2,2: 69:[6, 26] Operation: 70-44=26 Exploring Operation: 6+44=50, Resulting Numbers: [70, 50] Generated Node #0,2,3: 69:[70, 50] Operation: 6+44=50 Exploring Operation: 44-6=38, Resulting Numbers: [70, 38] Generated Node #0,2,4: 69:[70, 38] Operation: 44-6=38 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[6, 26], Operations: ['45+25=70', '70-44=26'] Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,69 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,69 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 #0,2,4 Current State: 69:[70, 38], Operations: ['45+25=70', '44-6=38'] Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,69 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,69 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 #0,2,3 Current State: 69:[70, 50], Operations: ['45+25=70', '6+44=50'] Exploring Operation: 70*50=3500, Resulting Numbers: [3500] 3500,69 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 70+50=120, Resulting Numbers: [120] 120,69 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 #0,2,0 Current State: 69:[44, 64], Operations: ['45+25=70', '70-6=64'] Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,69 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,69 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 #0,2,1 Current State: 69:[44, 76], Operations: ['45+25=70', '6+70=76'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 44*76=3344, Resulting Numbers: [3344] 3344,69 unequal: No Solution Exploring Operation: 44+76=120, Resulting Numbers: [120] 120,69 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:[6, 45, 69], Operations: ['25+44=69'] Exploring Operation: 45-6=39, Resulting Numbers: [69, 39] Generated Node #0,4,0: 69:[69, 39] Operation: 45-6=39 Exploring Operation: 69-45=24, Resulting Numbers: [6, 24] Generated Node #0,4,1: 69:[6, 24] Operation: 69-45=24 Exploring Operation: 69-6=63, Resulting Numbers: [45, 63] Generated Node #0,4,2: 69:[45, 63] Operation: 69-6=63 Exploring Operation: 6+45=51, Resulting Numbers: [69, 51] Generated Node #0,4,3: 69:[69, 51] Operation: 6+45=51 Exploring Operation: 6+69=75, Resulting Numbers: [45, 75] Generated Node #0,4,4: 69:[45, 75] Operation: 6+69=75 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 69:[6, 24], Operations: ['25+44=69', '69-45=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,69 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,69 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 #0,4,0 Current State: 69:[69, 39], Operations: ['25+44=69', '45-6=39'] Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,69 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:[69, 51], Operations: ['25+44=69', '6+45=51'] Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,69 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:[45, 63], Operations: ['25+44=69', '69-6=63'] Exploring Operation: 45*63=2835, Resulting Numbers: [2835] 2835,69 unequal: No Solution Exploring Operation: 45+63=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,69 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:[45, 75], Operations: ['25+44=69', '6+69=75'] Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,69 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 #0,3 Current State: 69:[6, 44, 20], Operations: ['45-25=20'] Exploring Operation: 44-20=24, Resulting Numbers: [6, 24] Generated Node #0,3,0: 69:[6, 24] Operation: 44-20=24 Exploring Operation: 6+44=50, Resulting Numbers: [20, 50] Generated Node #0,3,1: 69:[20, 50] Operation: 6+44=50 Exploring Operation: 6+20=26, Resulting Numbers: [44, 26] Generated Node #0,3,2: 69:[44, 26] Operation: 6+20=26 Exploring Operation: 44+20=64, Resulting Numbers: [6, 64] Generated Node #0,3,3: 69:[6, 64] Operation: 44+20=64 Exploring Operation: 44-6=38, Resulting Numbers: [20, 38] Generated Node #0,3,4: 69:[20, 38] Operation: 44-6=38 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[6, 24], Operations: ['45-25=20', '44-20=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,69 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:[6, 64], Operations: ['45-25=20', '44+20=64'] Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,69 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:[20, 38], Operations: ['45-25=20', '44-6=38'] Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,69 unequal: No Solution Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,69 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 #0,3,1 Current State: 69:[20, 50], Operations: ['45-25=20', '6+44=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,69 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,69 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:[44, 26], Operations: ['45-25=20', '6+20=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,69 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,69 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
sum_heuristic
[ 66, 6, 84, 37 ]
58
[ "66/6=11", "84-37=47", "11+47=58" ]
Current State: 58:[66, 6, 84, 37], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [84, 37, 11] Generated Node #2: [84, 37, 11] from Operation: 66/6=11 Current State: 58:[84, 37, 11], Operations: ['66/6=11'] Exploring Operation: 84-37=47, Resulting Numbers: [11, 47] Generated Node #3: [11, 47] from Operation: 84-37=47 Current State: 58:[11, 47], Operations: ['66/6=11', '84-37=47'] Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[66, 6, 84, 37], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [6, 37, 18] Generated Node #0,0: 58:[6, 37, 18] Operation: 84-66=18 Exploring Operation: 84-37=47, Resulting Numbers: [66, 6, 47] Generated Node #0,1: 58:[66, 6, 47] Operation: 84-37=47 Moving to Node #0,0 Current State: 58:[6, 37, 18], Operations: ['84-66=18'] Exploring Operation: 37+18=55, Resulting Numbers: [6, 55] Generated Node #0,0,0: 58:[6, 55] Operation: 37+18=55 Exploring Operation: 18/6=3, Resulting Numbers: [37, 3] Generated Node #0,0,1: 58:[37, 3] Operation: 18/6=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[6, 55], Operations: ['84-66=18', '37+18=55'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,58 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: 58:[37, 3], Operations: ['84-66=18', '18/6=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,58 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: 58:[66, 6, 47], Operations: ['84-37=47'] Exploring Operation: 6+47=53, Resulting Numbers: [66, 53] Generated Node #0,1,0: 58:[66, 53] Operation: 6+47=53 Exploring Operation: 66-6=60, Resulting Numbers: [47, 60] Generated Node #0,1,1: 58:[47, 60] Operation: 66-6=60 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[66, 53], Operations: ['84-37=47', '6+47=53'] Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,58 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,58 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: 58:[47, 60], Operations: ['84-37=47', '66-6=60'] Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,58 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 74, 6, 45, 71 ]
15
[ "74-6=68", "71-68=3", "45/3=15" ]
Current State: 15:[74, 6, 45, 71], Operations: [] Exploring Operation: 74-6=68, Resulting Numbers: [45, 71, 68] Generated Node #2: [45, 71, 68] from Operation: 74-6=68 Current State: 15:[45, 71, 68], Operations: ['74-6=68'] Exploring Operation: 71-68=3, Resulting Numbers: [45, 3] Generated Node #3: [45, 3] from Operation: 71-68=3 Current State: 15:[45, 3], Operations: ['74-6=68', '71-68=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[74, 6, 45, 71], Operations: [] Exploring Operation: 74-45=29, Resulting Numbers: [6, 71, 29] Generated Node #0,0: 15:[6, 71, 29] Operation: 74-45=29 Exploring Operation: 45-6=39, Resulting Numbers: [74, 71, 39] Generated Node #0,1: 15:[74, 71, 39] Operation: 45-6=39 Exploring Operation: 71-45=26, Resulting Numbers: [74, 6, 26] Generated Node #0,2: 15:[74, 6, 26] Operation: 71-45=26 Exploring Operation: 74-71=3, Resulting Numbers: [6, 45, 3] Generated Node #0,3: 15:[6, 45, 3] Operation: 74-71=3 Exploring Operation: 74-6=68, Resulting Numbers: [45, 71, 68] Generated Node #0,4: 15:[45, 71, 68] Operation: 74-6=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[6, 45, 3], Operations: ['74-71=3'] Exploring Operation: 45-6=39, Resulting Numbers: [3, 39] Generated Node #0,3,0: 15:[3, 39] Operation: 45-6=39 Exploring Operation: 45-3=42, Resulting Numbers: [6, 42] Generated Node #0,3,1: 15:[6, 42] Operation: 45-3=42 Exploring Operation: 45/3=15, Resulting Numbers: [6, 15] Generated Node #0,3,2: 15:[6, 15] Operation: 45/3=15 Exploring Operation: 6-3=3, Resulting Numbers: [45, 3] Generated Node #0,3,3: 15:[45, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [45, 2] Generated Node #0,3,4: 15:[45, 2] Operation: 6/3=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 15:[6, 15], Operations: ['74-71=3', '45/3=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,15 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,15 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: 15:[3, 39], Operations: ['74-71=3', '45-6=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,15 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,15 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: 15:[6, 42], Operations: ['74-71=3', '45-3=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,15 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,15 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: 15:[45, 3], Operations: ['74-71=3', '6-3=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[74, 6, 45, 71], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [6, 45, 3] Generated Node #0,3: 15:[6, 45, 3] Operation: 74-71=3 Moving to Node #0,3 Current State: 15:[6, 45, 3], Operations: ['74-71=3'] Exploring Operation: 6-3=3, Resulting Numbers: [45, 3] Generated Node #0,3,3: 15:[45, 3] Operation: 6-3=3 Moving to Node #0,3,3 Current State: 15:[45, 3], Operations: ['74-71=3', '6-3=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 20, 10, 10, 55 ]
52
[ "20+10=30", "30/10=3", "55-3=52" ]
Current State: 52:[20, 10, 10, 55], Operations: [] Exploring Operation: 20+10=30, Resulting Numbers: [55, 30] Generated Node #2: [55, 30] from Operation: 20+10=30 Current State: 52:[55, 30], Operations: ['20+10=30'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 30/10=3 Current State: 52:[55, 3], Operations: ['20+10=30', '30/10=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[20, 10, 10, 55], Operations: [] Exploring Operation: 20-10=10, Resulting Numbers: [10, 55, 10] Generated Node #0,0: 52:[10, 55, 10] Operation: 20-10=10 Exploring Operation: 20/10=2, Resulting Numbers: [10, 55, 2] Generated Node #0,1: 52:[10, 55, 2] Operation: 20/10=2 Exploring Operation: 20+10=30, Resulting Numbers: [10, 55, 30] Generated Node #0,2: 52:[10, 55, 30] Operation: 20+10=30 Exploring Operation: 20/10=2, Resulting Numbers: [10, 55, 2] Generated Node #0,3: 52:[10, 55, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [10, 55, 10] Generated Node #0,4: 52:[10, 55, 10] Operation: 20-10=10 Moving to Node #0,1 Current State: 52:[10, 55, 2], Operations: ['20/10=2'] Exploring Operation: 55-10=45, Resulting Numbers: [2, 45] Generated Node #0,1,0: 52:[2, 45] Operation: 55-10=45 Exploring Operation: 10+2=12, Resulting Numbers: [55, 12] Generated Node #0,1,1: 52:[55, 12] Operation: 10+2=12 Exploring Operation: 55-2=53, Resulting Numbers: [10, 53] Generated Node #0,1,2: 52:[10, 53] Operation: 55-2=53 Exploring Operation: 10-2=8, Resulting Numbers: [55, 8] Generated Node #0,1,3: 52:[55, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #0,1,4: 52:[55, 5] Operation: 10/2=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[55, 12], Operations: ['20/10=2', '10+2=12'] Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,52 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,52 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 #0,1,2 Current State: 52:[10, 53], Operations: ['20/10=2', '55-2=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,52 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 #0,1,4 Current State: 52:[55, 5], Operations: ['20/10=2', '10/2=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,52 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 55-5=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 #0,1,0 Current State: 52:[2, 45], Operations: ['20/10=2', '55-10=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,52 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 #0,1,3 Current State: 52:[55, 8], Operations: ['20/10=2', '10-2=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,52 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,52 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: 52:[10, 55, 2], Operations: ['20/10=2'] Exploring Operation: 10+2=12, Resulting Numbers: [55, 12] Generated Node #0,3,0: 52:[55, 12] Operation: 10+2=12 Exploring Operation: 55-10=45, Resulting Numbers: [2, 45] Generated Node #0,3,1: 52:[2, 45] Operation: 55-10=45 Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #0,3,2: 52:[55, 5] Operation: 10/2=5 Exploring Operation: 55-2=53, Resulting Numbers: [10, 53] Generated Node #0,3,3: 52:[10, 53] Operation: 55-2=53 Exploring Operation: 10-2=8, Resulting Numbers: [55, 8] Generated Node #0,3,4: 52:[55, 8] Operation: 10-2=8 Moving to Node #0,0 Current State: 52:[10, 55, 10], Operations: ['20-10=10'] Exploring Operation: 10+10=20, Resulting Numbers: [55, 20] Generated Node #0,0,0: 52:[55, 20] Operation: 10+10=20 Exploring Operation: 10/10=1, Resulting Numbers: [55, 1] Generated Node #0,0,1: 52:[55, 1] Operation: 10/10=1 Exploring Operation: 55-10=45, Resulting Numbers: [10, 45] Generated Node #0,0,2: 52:[10, 45] Operation: 55-10=45 Exploring Operation: 10-10=0, Resulting Numbers: [55, 0] Generated Node #0,0,3: 52:[55, 0] Operation: 10-10=0 Exploring Operation: 55-10=45, Resulting Numbers: [10, 45] Generated Node #0,0,4: 52:[10, 45] Operation: 55-10=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[55, 1], Operations: ['20-10=10', '10/10=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,52 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 #0,0,3 Current State: 52:[55, 0], Operations: ['20-10=10', '10-10=0'] Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,52 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 #0,0,0 Current State: 52:[55, 20], Operations: ['20-10=10', '10+10=20'] Exploring Operation: 55*20=1100, Resulting Numbers: [1100] 1100,52 unequal: No Solution Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 55+20=75, Resulting Numbers: [75] 75,52 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 #0,0,2 Current State: 52:[10, 45], Operations: ['20-10=10', '55-10=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,52 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 #0,0,4 Current State: 52:[10, 45], Operations: ['20-10=10', '55-10=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,52 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: 52:[10, 55, 10], Operations: ['20-10=10'] Exploring Operation: 55-10=45, Resulting Numbers: [10, 45] Generated Node #0,4,0: 52:[10, 45] Operation: 55-10=45 Exploring Operation: 10-10=0, Resulting Numbers: [55, 0] Generated Node #0,4,1: 52:[55, 0] Operation: 10-10=0 Exploring Operation: 10/10=1, Resulting Numbers: [55, 1] Generated Node #0,4,2: 52:[55, 1] Operation: 10/10=1 Exploring Operation: 10+10=20, Resulting Numbers: [55, 20] Generated Node #0,4,3: 52:[55, 20] Operation: 10+10=20 Exploring Operation: 55-10=45, Resulting Numbers: [10, 45] Generated Node #0,4,4: 52:[10, 45] Operation: 55-10=45 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 52:[55, 1], Operations: ['20-10=10', '10/10=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,52 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 #0,4,1 Current State: 52:[55, 0], Operations: ['20-10=10', '10-10=0'] Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 55*0=0, Resulting Numbers: [0] 0,52 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 #0,4,3 Current State: 52:[55, 20], Operations: ['20-10=10', '10+10=20'] Exploring Operation: 55+20=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 55*20=1100, Resulting Numbers: [1100] 1100,52 unequal: No Solution Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,52 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 #0,4,0 Current State: 52:[10, 45], Operations: ['20-10=10', '55-10=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,52 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 #0,4,4 Current State: 52:[10, 45], Operations: ['20-10=10', '55-10=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,52 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:[10, 55, 30], Operations: ['20+10=30'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #0,2,0: 52:[55, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [55, 20] Generated Node #0,2,1: 52:[55, 20] Operation: 30-10=20 Exploring Operation: 55-30=25, Resulting Numbers: [10, 25] Generated Node #0,2,2: 52:[10, 25] Operation: 55-30=25 Exploring Operation: 55-10=45, Resulting Numbers: [30, 45] Generated Node #0,2,3: 52:[30, 45] Operation: 55-10=45 Exploring Operation: 10+30=40, Resulting Numbers: [55, 40] Generated Node #0,2,4: 52:[55, 40] Operation: 10+30=40 Moving to Node #0,3,0 Current State: 52:[55, 12], Operations: ['20/10=2', '10+2=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,52 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[10, 53], Operations: ['20/10=2', '55-2=53'] Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[10, 25], Operations: ['20+10=30', '55-30=25'] Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 10*25=250, Resulting Numbers: [250] 250,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[55, 3], Operations: ['20+10=30', '30/10=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,52 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[20, 10, 10, 55], Operations: [] Exploring Operation: 20+10=30, Resulting Numbers: [10, 55, 30] Generated Node #0,2: 52:[10, 55, 30] Operation: 20+10=30 Moving to Node #0,2 Current State: 52:[10, 55, 30], Operations: ['20+10=30'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #0,2,0: 52:[55, 3] Operation: 30/10=3 Moving to Node #0,2,0 Current State: 52:[55, 3], Operations: ['20+10=30', '30/10=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.918403
hs_5
sum_heuristic
[ 49, 42, 96, 35 ]
89
[ "42-35=7", "49/7=7", "96-7=89" ]
Current State: 89:[49, 42, 96, 35], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [49, 96, 7] Generated Node #2: [49, 96, 7] from Operation: 42-35=7 Current State: 89:[49, 96, 7], Operations: ['42-35=7'] Exploring Operation: 49/7=7, Resulting Numbers: [96, 7] Generated Node #3: [96, 7] from Operation: 49/7=7 Current State: 89:[96, 7], Operations: ['42-35=7', '49/7=7'] Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[49, 42, 96, 35], Operations: [] Exploring Operation: 49+35=84, Resulting Numbers: [42, 96, 84] Generated Node #0,0: 89:[42, 96, 84] Operation: 49+35=84 Moving to Node #0,0 Current State: 89:[42, 96, 84], Operations: ['49+35=84'] Exploring Operation: 96-42=54, Resulting Numbers: [84, 54] Generated Node #0,0,0: 89:[84, 54] Operation: 96-42=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[84, 54], Operations: ['49+35=84', '96-42=54'] Exploring Operation: 84+54=138, Resulting Numbers: [138] 138,89 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
[ 52, 26, 16, 65 ]
98
[ "52/26=2", "65-16=49", "2*49=98" ]
Current State: 98:[52, 26, 16, 65], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [16, 65, 2] Generated Node #2: [16, 65, 2] from Operation: 52/26=2 Current State: 98:[16, 65, 2], Operations: ['52/26=2'] Exploring Operation: 65-16=49, Resulting Numbers: [2, 49] Generated Node #3: [2, 49] from Operation: 65-16=49 Current State: 98:[2, 49], Operations: ['52/26=2', '65-16=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[52, 26, 16, 65], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [26, 16, 13] Generated Node #0,0: 98:[26, 16, 13] Operation: 65-52=13 Exploring Operation: 26+65=91, Resulting Numbers: [52, 16, 91] Generated Node #0,1: 98:[52, 16, 91] Operation: 26+65=91 Exploring Operation: 65-26=39, Resulting Numbers: [52, 16, 39] Generated Node #0,2: 98:[52, 16, 39] Operation: 65-26=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[52, 16, 91], Operations: ['26+65=91'] Exploring Operation: 91-52=39, Resulting Numbers: [16, 39] Generated Node #0,1,0: 98:[16, 39] Operation: 91-52=39 Exploring Operation: 16+91=107, Resulting Numbers: [52, 107] Generated Node #0,1,1: 98:[52, 107] Operation: 16+91=107 Exploring Operation: 52-16=36, Resulting Numbers: [91, 36] Generated Node #0,1,2: 98:[91, 36] Operation: 52-16=36 Moving to Node #0,1,0 Current State: 98:[16, 39], Operations: ['26+65=91', '91-52=39'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 16*39=624, Resulting Numbers: [624] 624,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[52, 107], Operations: ['26+65=91', '16+91=107'] Exploring Operation: 52+107=159, Resulting Numbers: [159] 159,98 unequal: No Solution Exploring Operation: 52*107=5564, Resulting Numbers: [5564] 5564,98 unequal: No Solution Exploring Operation: 107-52=55, Resulting Numbers: [55] 55,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[91, 36], Operations: ['26+65=91', '52-16=36'] Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 91+36=127, Resulting Numbers: [127] 127,98 unequal: No Solution Exploring Operation: 91*36=3276, Resulting Numbers: [3276] 3276,98 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 #0,0 Current State: 98:[26, 16, 13], Operations: ['65-52=13'] Exploring Operation: 26-13=13, Resulting Numbers: [16, 13] Generated Node #0,0,0: 98:[16, 13] Operation: 26-13=13 Exploring Operation: 26-16=10, Resulting Numbers: [13, 10] Generated Node #0,0,1: 98:[13, 10] Operation: 26-16=10 Exploring Operation: 26/13=2, Resulting Numbers: [16, 2] Generated Node #0,0,2: 98:[16, 2] Operation: 26/13=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[16, 2], Operations: ['65-52=13', '26/13=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,98 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:[16, 13], Operations: ['65-52=13', '26-13=13'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 16*13=208, Resulting Numbers: [208] 208,98 unequal: No Solution Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,98 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 #0,0,1 Current State: 98:[13, 10], Operations: ['65-52=13', '26-16=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,98 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 #0,2 Current State: 98:[52, 16, 39], Operations: ['65-26=39'] Exploring Operation: 16+39=55, Resulting Numbers: [52, 55] Generated Node #0,2,0: 98:[52, 55] Operation: 16+39=55 Exploring Operation: 52+39=91, Resulting Numbers: [16, 91] Generated Node #0,2,1: 98:[16, 91] Operation: 52+39=91 Exploring Operation: 52-39=13, Resulting Numbers: [16, 13] Generated Node #0,2,2: 98:[16, 13] Operation: 52-39=13 Moving to Node #0,2,2 Current State: 98:[16, 13], Operations: ['65-26=39', '52-39=13'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 16*13=208, Resulting Numbers: [208] 208,98 unequal: No Solution Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[52, 55], Operations: ['65-26=39', '16+39=55'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,98 unequal: No Solution Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[16, 91], Operations: ['65-26=39', '52+39=91'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,98 unequal: No Solution Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,98 unequal: No Solution Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 57, 91, 6, 50 ]
92
[ "57+91=148", "6+50=56", "148-56=92" ]
Current State: 92:[57, 91, 6, 50], Operations: [] Exploring Operation: 57+91=148, Resulting Numbers: [6, 50, 148] Generated Node #2: [6, 50, 148] from Operation: 57+91=148 Current State: 92:[6, 50, 148], Operations: ['57+91=148'] Exploring Operation: 6+50=56, Resulting Numbers: [148, 56] Generated Node #3: [148, 56] from Operation: 6+50=56 Current State: 92:[148, 56], Operations: ['57+91=148', '6+50=56'] Exploring Operation: 148-56=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[57, 91, 6, 50], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [91, 6, 7] Generated Node #0,0: 92:[91, 6, 7] Operation: 57-50=7 Moving to Node #0,0 Current State: 92:[91, 6, 7], Operations: ['57-50=7'] Exploring Operation: 7-6=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 92:[91, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 92:[91, 1], Operations: ['57-50=7', '7-6=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[57, 91, 6, 50], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [91, 6, 7] Generated Node #0,0: 92:[91, 6, 7] Operation: 57-50=7 Moving to Node #0,0 Current State: 92:[91, 6, 7], Operations: ['57-50=7'] Exploring Operation: 7-6=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 92:[91, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 92:[91, 1], Operations: ['57-50=7', '7-6=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 5, 66, 8, 47 ]
73
[ "5*8=40", "66+47=113", "113-40=73" ]
Current State: 73:[5, 66, 8, 47], Operations: [] Exploring Operation: 5*8=40, Resulting Numbers: [66, 47, 40] Generated Node #2: [66, 47, 40] from Operation: 5*8=40 Current State: 73:[66, 47, 40], Operations: ['5*8=40'] Exploring Operation: 66+47=113, Resulting Numbers: [40, 113] Generated Node #3: [40, 113] from Operation: 66+47=113 Current State: 73:[40, 113], Operations: ['5*8=40', '66+47=113'] Exploring Operation: 113-40=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[5, 66, 8, 47], Operations: [] Exploring Operation: 5*8=40, Resulting Numbers: [66, 47, 40] Generated Node #0,0: 73:[66, 47, 40] Operation: 5*8=40 Exploring Operation: 5+47=52, Resulting Numbers: [66, 8, 52] Generated Node #0,1: 73:[66, 8, 52] Operation: 5+47=52 Exploring Operation: 5+8=13, Resulting Numbers: [66, 47, 13] Generated Node #0,2: 73:[66, 47, 13] Operation: 5+8=13 Exploring Operation: 5+66=71, Resulting Numbers: [8, 47, 71] Generated Node #0,3: 73:[8, 47, 71] Operation: 5+66=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[66, 47, 40], Operations: ['5*8=40'] Exploring Operation: 66-40=26, Resulting Numbers: [47, 26] Generated Node #0,0,0: 73:[47, 26] Operation: 66-40=26 Exploring Operation: 66+47=113, Resulting Numbers: [40, 113] Generated Node #0,0,1: 73:[40, 113] Operation: 66+47=113 Exploring Operation: 47+40=87, Resulting Numbers: [66, 87] Generated Node #0,0,2: 73:[66, 87] Operation: 47+40=87 Exploring Operation: 66+40=106, Resulting Numbers: [47, 106] Generated Node #0,0,3: 73:[47, 106] Operation: 66+40=106 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 73:[66, 87], Operations: ['5*8=40', '47+40=87'] Exploring Operation: 87-66=21, Resulting Numbers: [21] 21,73 unequal: No Solution Exploring Operation: 66+87=153, Resulting Numbers: [153] 153,73 unequal: No Solution Exploring Operation: 66*87=5742, Resulting Numbers: [5742] 5742,73 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: 73:[47, 106], Operations: ['5*8=40', '66+40=106'] Exploring Operation: 106-47=59, Resulting Numbers: [59] 59,73 unequal: No Solution Exploring Operation: 47*106=4982, Resulting Numbers: [4982] 4982,73 unequal: No Solution Exploring Operation: 47+106=153, Resulting Numbers: [153] 153,73 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: 73:[47, 26], Operations: ['5*8=40', '66-40=26'] Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[5, 66, 8, 47], Operations: [] Exploring Operation: 5*8=40, Resulting Numbers: [66, 47, 40] Generated Node #0,0: 73:[66, 47, 40] Operation: 5*8=40 Moving to Node #0,0 Current State: 73:[66, 47, 40], Operations: ['5*8=40'] Exploring Operation: 66-40=26, Resulting Numbers: [47, 26] Generated Node #0,0,0: 73:[47, 26] Operation: 66-40=26 Moving to Node #0,0,0 Current State: 73:[47, 26], Operations: ['5*8=40', '66-40=26'] Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 12, 83, 87, 11 ]
74
[ "12+87=99", "99/11=9", "83-9=74" ]
Current State: 74:[12, 83, 87, 11], Operations: [] Exploring Operation: 12+87=99, Resulting Numbers: [83, 11, 99] Generated Node #2: [83, 11, 99] from Operation: 12+87=99 Current State: 74:[83, 11, 99], Operations: ['12+87=99'] Exploring Operation: 99/11=9, Resulting Numbers: [83, 9] Generated Node #3: [83, 9] from Operation: 99/11=9 Current State: 74:[83, 9], Operations: ['12+87=99', '99/11=9'] Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[12, 83, 87, 11], Operations: [] Exploring Operation: 87-12=75, Resulting Numbers: [83, 11, 75] Generated Node #0,0: 74:[83, 11, 75] Operation: 87-12=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[83, 11, 75], Operations: ['87-12=75'] Exploring Operation: 83-11=72, Resulting Numbers: [75, 72] Generated Node #0,0,0: 74:[75, 72] Operation: 83-11=72 Moving to Node #0,0,0 Current State: 74:[75, 72], Operations: ['87-12=75', '83-11=72'] Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,74 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
[ 56, 91, 64, 66 ]
17
[ "56+91=147", "64+66=130", "147-130=17" ]
Current State: 17:[56, 91, 64, 66], Operations: [] Exploring Operation: 56+91=147, Resulting Numbers: [64, 66, 147] Generated Node #2: [64, 66, 147] from Operation: 56+91=147 Current State: 17:[64, 66, 147], Operations: ['56+91=147'] Exploring Operation: 64+66=130, Resulting Numbers: [147, 130] Generated Node #3: [147, 130] from Operation: 64+66=130 Current State: 17:[147, 130], Operations: ['56+91=147', '64+66=130'] Exploring Operation: 147-130=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[56, 91, 64, 66], Operations: [] Exploring Operation: 91-64=27, Resulting Numbers: [56, 66, 27] Generated Node #0,0: 17:[56, 66, 27] Operation: 91-64=27 Exploring Operation: 91-66=25, Resulting Numbers: [56, 64, 25] Generated Node #0,1: 17:[56, 64, 25] Operation: 91-66=25 Moving to Node #0,1 Current State: 17:[56, 64, 25], Operations: ['91-66=25'] Exploring Operation: 64-56=8, Resulting Numbers: [25, 8] Generated Node #0,1,0: 17:[25, 8] Operation: 64-56=8 Exploring Operation: 56-25=31, Resulting Numbers: [64, 31] Generated Node #0,1,1: 17:[64, 31] Operation: 56-25=31 Moving to Node #0,0 Current State: 17:[56, 66, 27], Operations: ['91-64=27'] Exploring Operation: 56-27=29, Resulting Numbers: [66, 29] Generated Node #0,0,0: 17:[66, 29] Operation: 56-27=29 Exploring Operation: 66-56=10, Resulting Numbers: [27, 10] Generated Node #0,0,1: 17:[27, 10] Operation: 66-56=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[27, 10], Operations: ['91-64=27', '66-56=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[56, 91, 64, 66], Operations: [] Exploring Operation: 91-64=27, Resulting Numbers: [56, 66, 27] Generated Node #0,0: 17:[56, 66, 27] Operation: 91-64=27 Moving to Node #0,0 Current State: 17:[56, 66, 27], Operations: ['91-64=27'] Exploring Operation: 66-56=10, Resulting Numbers: [27, 10] Generated Node #0,0,1: 17:[27, 10] Operation: 66-56=10 Moving to Node #0,0,1 Current State: 17:[27, 10], Operations: ['91-64=27', '66-56=10'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 16, 6, 48, 94 ]
70
[ "94-16=78", "48/6=8", "78-8=70" ]
Current State: 70:[16, 6, 48, 94], Operations: [] Exploring Operation: 94-16=78, Resulting Numbers: [6, 48, 78] Generated Node #2: [6, 48, 78] from Operation: 94-16=78 Current State: 70:[6, 48, 78], Operations: ['94-16=78'] Exploring Operation: 48/6=8, Resulting Numbers: [78, 8] Generated Node #3: [78, 8] from Operation: 48/6=8 Current State: 70:[78, 8], Operations: ['94-16=78', '48/6=8'] Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[16, 6, 48, 94], Operations: [] Exploring Operation: 94-48=46, Resulting Numbers: [16, 6, 46] Generated Node #0,0: 70:[16, 6, 46] Operation: 94-48=46 Moving to Node #0,0 Current State: 70:[16, 6, 46], Operations: ['94-48=46'] Exploring Operation: 46-16=30, Resulting Numbers: [6, 30] Generated Node #0,0,0: 70:[6, 30] Operation: 46-16=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[6, 30], Operations: ['94-48=46', '46-16=30'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,70 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