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
[ 35, 98, 94, 2 ]
70
[ "98-94=4", "35*4=140", "140/2=70" ]
Current State: 70:[35, 98, 94, 2], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [35, 2, 4] Generated Node #2: [35, 2, 4] from Operation: 98-94=4 Current State: 70:[35, 2, 4], Operations: ['98-94=4'] Exploring Operation: 35*4=140, Resulting Numbers: [2, 140] Generated Node #3: [2, 140] from Operation: 35*4=140 Current State: 70:[2, 140], Operations: ['98-94=4', '35*4=140'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[35, 98, 94, 2], Operations: [] Exploring Operation: 98-35=63, Resulting Numbers: [94, 2, 63] Generated Node #0,0: 70:[94, 2, 63] Operation: 98-35=63 Exploring Operation: 98-94=4, Resulting Numbers: [35, 2, 4] Generated Node #0,1: 70:[35, 2, 4] Operation: 98-94=4 Exploring Operation: 98/2=49, Resulting Numbers: [35, 94, 49] Generated Node #0,2: 70:[35, 94, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[35, 2, 4], Operations: ['98-94=4'] Exploring Operation: 35*2=70, Resulting Numbers: [4, 70] Generated Node #0,1,0: 70:[4, 70] Operation: 35*2=70 Exploring Operation: 4-2=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 4-2=2 Exploring Operation: 4/2=2, Resulting Numbers: [35, 2] Generated Node #0,1,2: 70:[35, 2] Operation: 4/2=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['98-94=4', '4-2=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[35, 98, 94, 2], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [35, 2, 4] Generated Node #0,1: 70:[35, 2, 4] Operation: 98-94=4 Moving to Node #0,1 Current State: 70:[35, 2, 4], Operations: ['98-94=4'] Exploring Operation: 4-2=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 4-2=2 Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['98-94=4', '4-2=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 79, 50, 5, 20 ]
29
[ "79+50=129", "5*20=100", "129-100=29" ]
Current State: 29:[79, 50, 5, 20], Operations: [] Exploring Operation: 79+50=129, Resulting Numbers: [5, 20, 129] Generated Node #2: [5, 20, 129] from Operation: 79+50=129 Current State: 29:[5, 20, 129], Operations: ['79+50=129'] Exploring Operation: 5*20=100, Resulting Numbers: [129, 100] Generated Node #3: [129, 100] from Operation: 5*20=100 Current State: 29:[129, 100], Operations: ['79+50=129', '5*20=100'] Exploring Operation: 129-100=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[79, 50, 5, 20], Operations: [] Exploring Operation: 79-5=74, Resulting Numbers: [50, 20, 74] Generated Node #0,0: 29:[50, 20, 74] Operation: 79-5=74 Exploring Operation: 79-20=59, Resulting Numbers: [50, 5, 59] Generated Node #0,1: 29:[50, 5, 59] Operation: 79-20=59 Exploring Operation: 79-50=29, Resulting Numbers: [5, 20, 29] Generated Node #0,2: 29:[5, 20, 29] Operation: 79-50=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[5, 20, 29], Operations: ['79-50=29'] Exploring Operation: 5+29=34, Resulting Numbers: [20, 34] Generated Node #0,2,0: 29:[20, 34] Operation: 5+29=34 Exploring Operation: 20-5=15, Resulting Numbers: [29, 15] Generated Node #0,2,1: 29:[29, 15] Operation: 20-5=15 Exploring Operation: 5+20=25, Resulting Numbers: [29, 25] Generated Node #0,2,2: 29:[29, 25] Operation: 5+20=25 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[29, 25], Operations: ['79-50=29', '5+20=25'] Exploring Operation: 29+25=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 29*25=725, Resulting Numbers: [725] 725,29 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[20, 34], Operations: ['79-50=29', '5+29=34'] Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,29 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[29, 15], Operations: ['79-50=29', '20-5=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[50, 20, 74], Operations: ['79-5=74'] Exploring Operation: 74-50=24, Resulting Numbers: [20, 24] Generated Node #0,0,0: 29:[20, 24] Operation: 74-50=24 Exploring Operation: 50-20=30, Resulting Numbers: [74, 30] Generated Node #0,0,1: 29:[74, 30] Operation: 50-20=30 Exploring Operation: 74-20=54, Resulting Numbers: [50, 54] Generated Node #0,0,2: 29:[50, 54] Operation: 74-20=54 Moving to Node #0,0,0 Current State: 29:[20, 24], Operations: ['79-5=74', '74-50=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[74, 30], Operations: ['79-5=74', '50-20=30'] Exploring Operation: 74+30=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 74*30=2220, Resulting Numbers: [2220] 2220,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[50, 54], Operations: ['79-5=74', '74-20=54'] Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,29 unequal: No Solution Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[50, 5, 59], Operations: ['79-20=59'] Exploring Operation: 59-50=9, Resulting Numbers: [5, 9] Generated Node #0,1,0: 29:[5, 9] Operation: 59-50=9 Exploring Operation: 59-5=54, Resulting Numbers: [50, 54] Generated Node #0,1,1: 29:[50, 54] Operation: 59-5=54 Exploring Operation: 50-5=45, Resulting Numbers: [59, 45] Generated Node #0,1,2: 29:[59, 45] Operation: 50-5=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[5, 9], Operations: ['79-20=59', '59-50=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[50, 54], Operations: ['79-20=59', '59-5=54'] Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,29 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[59, 45], Operations: ['79-20=59', '50-5=45'] Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,29 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 88, 77, 98, 11 ]
97
[ "88-77=11", "11/11=1", "98-1=97" ]
Current State: 97:[88, 77, 98, 11], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [98, 11, 11] Generated Node #2: [98, 11, 11] from Operation: 88-77=11 Current State: 97:[98, 11, 11], Operations: ['88-77=11'] Exploring Operation: 11/11=1, Resulting Numbers: [98, 1] Generated Node #3: [98, 1] from Operation: 11/11=1 Current State: 97:[98, 1], Operations: ['88-77=11', '11/11=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[88, 77, 98, 11], Operations: [] Exploring Operation: 77+11=88, Resulting Numbers: [88, 98, 88] Generated Node #0,0: 97:[88, 98, 88] Operation: 77+11=88 Exploring Operation: 88+11=99, Resulting Numbers: [77, 98, 99] Generated Node #0,1: 97:[77, 98, 99] Operation: 88+11=99 Exploring Operation: 98-11=87, Resulting Numbers: [88, 77, 87] Generated Node #0,2: 97:[88, 77, 87] Operation: 98-11=87 Exploring Operation: 88-11=77, Resulting Numbers: [77, 98, 77] Generated Node #0,3: 97:[77, 98, 77] Operation: 88-11=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[88, 98, 88], Operations: ['77+11=88'] Exploring Operation: 88/88=1, Resulting Numbers: [98, 1] Generated Node #0,0,0: 97:[98, 1] Operation: 88/88=1 Exploring Operation: 88+88=176, Resulting Numbers: [98, 176] Generated Node #0,0,1: 97:[98, 176] Operation: 88+88=176 Exploring Operation: 98-88=10, Resulting Numbers: [88, 10] Generated Node #0,0,2: 97:[88, 10] Operation: 98-88=10 Exploring Operation: 98-88=10, Resulting Numbers: [88, 10] Generated Node #0,0,3: 97:[88, 10] Operation: 98-88=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[98, 176], Operations: ['77+11=88', '88+88=176'] Exploring Operation: 98+176=274, Resulting Numbers: [274] 274,97 unequal: No Solution Exploring Operation: 176-98=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 98*176=17248, Resulting Numbers: [17248] 17248,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[88, 10], Operations: ['77+11=88', '98-88=10'] Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,97 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[88, 10], Operations: ['77+11=88', '98-88=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,97 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[98, 1], Operations: ['77+11=88', '88/88=1'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[88, 77, 98, 11], Operations: [] Exploring Operation: 77+11=88, Resulting Numbers: [88, 98, 88] Generated Node #0,0: 97:[88, 98, 88] Operation: 77+11=88 Moving to Node #0,0 Current State: 97:[88, 98, 88], Operations: ['77+11=88'] Exploring Operation: 88/88=1, Resulting Numbers: [98, 1] Generated Node #0,0,0: 97:[98, 1] Operation: 88/88=1 Moving to Node #0,0,0 Current State: 97:[98, 1], Operations: ['77+11=88', '88/88=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 72, 41, 92, 90 ]
69
[ "72+41=113", "92+90=182", "182-113=69" ]
Current State: 69:[72, 41, 92, 90], Operations: [] Exploring Operation: 72+41=113, Resulting Numbers: [92, 90, 113] Generated Node #2: [92, 90, 113] from Operation: 72+41=113 Current State: 69:[92, 90, 113], Operations: ['72+41=113'] Exploring Operation: 92+90=182, Resulting Numbers: [113, 182] Generated Node #3: [113, 182] from Operation: 92+90=182 Current State: 69:[113, 182], Operations: ['72+41=113', '92+90=182'] Exploring Operation: 182-113=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[72, 41, 92, 90], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [41, 92, 18] Generated Node #0,0: 69:[41, 92, 18] Operation: 90-72=18 Exploring Operation: 92-41=51, Resulting Numbers: [72, 90, 51] Generated Node #0,1: 69:[72, 90, 51] Operation: 92-41=51 Exploring Operation: 92-72=20, Resulting Numbers: [41, 90, 20] Generated Node #0,2: 69:[41, 90, 20] Operation: 92-72=20 Exploring Operation: 90-41=49, Resulting Numbers: [72, 92, 49] Generated Node #0,3: 69:[72, 92, 49] Operation: 90-41=49 Exploring Operation: 92-90=2, Resulting Numbers: [72, 41, 2] Generated Node #0,4: 69:[72, 41, 2] Operation: 92-90=2 Moving to Node #0,4 Current State: 69:[72, 41, 2], Operations: ['92-90=2'] Exploring Operation: 72+2=74, Resulting Numbers: [41, 74] Generated Node #0,4,0: 69:[41, 74] Operation: 72+2=74 Exploring Operation: 72-2=70, Resulting Numbers: [41, 70] Generated Node #0,4,1: 69:[41, 70] Operation: 72-2=70 Exploring Operation: 41-2=39, Resulting Numbers: [72, 39] Generated Node #0,4,2: 69:[72, 39] Operation: 41-2=39 Exploring Operation: 41*2=82, Resulting Numbers: [72, 82] Generated Node #0,4,3: 69:[72, 82] Operation: 41*2=82 Exploring Operation: 72-41=31, Resulting Numbers: [2, 31] Generated Node #0,4,4: 69:[2, 31] Operation: 72-41=31 Moving to Node #0,2 Current State: 69:[41, 90, 20], Operations: ['92-72=20'] Exploring Operation: 41-20=21, Resulting Numbers: [90, 21] Generated Node #0,2,0: 69:[90, 21] Operation: 41-20=21 Exploring Operation: 90-20=70, Resulting Numbers: [41, 70] Generated Node #0,2,1: 69:[41, 70] Operation: 90-20=70 Exploring Operation: 41+20=61, Resulting Numbers: [90, 61] Generated Node #0,2,2: 69:[90, 61] Operation: 41+20=61 Exploring Operation: 90+20=110, Resulting Numbers: [41, 110] Generated Node #0,2,3: 69:[41, 110] Operation: 90+20=110 Exploring Operation: 90-41=49, Resulting Numbers: [20, 49] Generated Node #0,2,4: 69:[20, 49] Operation: 90-41=49 Moving to Node #0,1 Current State: 69:[72, 90, 51], Operations: ['92-41=51'] Exploring Operation: 90+51=141, Resulting Numbers: [72, 141] Generated Node #0,1,0: 69:[72, 141] Operation: 90+51=141 Exploring Operation: 72-51=21, Resulting Numbers: [90, 21] Generated Node #0,1,1: 69:[90, 21] Operation: 72-51=21 Exploring Operation: 90-51=39, Resulting Numbers: [72, 39] Generated Node #0,1,2: 69:[72, 39] Operation: 90-51=39 Exploring Operation: 72+51=123, Resulting Numbers: [90, 123] Generated Node #0,1,3: 69:[90, 123] Operation: 72+51=123 Exploring Operation: 90-72=18, Resulting Numbers: [51, 18] Generated Node #0,1,4: 69:[51, 18] Operation: 90-72=18 Moving to Node #0,0 Current State: 69:[41, 92, 18], Operations: ['90-72=18'] Exploring Operation: 92-41=51, Resulting Numbers: [18, 51] Generated Node #0,0,0: 69:[18, 51] Operation: 92-41=51 Exploring Operation: 41-18=23, Resulting Numbers: [92, 23] Generated Node #0,0,1: 69:[92, 23] Operation: 41-18=23 Exploring Operation: 41+18=59, Resulting Numbers: [92, 59] Generated Node #0,0,2: 69:[92, 59] Operation: 41+18=59 Exploring Operation: 92-18=74, Resulting Numbers: [41, 74] Generated Node #0,0,3: 69:[41, 74] Operation: 92-18=74 Exploring Operation: 92+18=110, Resulting Numbers: [41, 110] Generated Node #0,0,4: 69:[41, 110] Operation: 92+18=110 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[18, 51], Operations: ['90-72=18', '92-41=51'] Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[72, 41, 92, 90], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [41, 92, 18] Generated Node #0,0: 69:[41, 92, 18] Operation: 90-72=18 Moving to Node #0,0 Current State: 69:[41, 92, 18], Operations: ['90-72=18'] Exploring Operation: 92-41=51, Resulting Numbers: [18, 51] Generated Node #0,0,0: 69:[18, 51] Operation: 92-41=51 Moving to Node #0,0,0 Current State: 69:[18, 51], Operations: ['90-72=18', '92-41=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
sum_heuristic
[ 2, 80, 75, 69 ]
43
[ "80+75=155", "155-69=86", "86/2=43" ]
Current State: 43:[2, 80, 75, 69], Operations: [] Exploring Operation: 80+75=155, Resulting Numbers: [2, 69, 155] Generated Node #2: [2, 69, 155] from Operation: 80+75=155 Current State: 43:[2, 69, 155], Operations: ['80+75=155'] Exploring Operation: 155-69=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 155-69=86 Current State: 43:[2, 86], Operations: ['80+75=155', '155-69=86'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 80, 75, 69], Operations: [] Exploring Operation: 80-2=78, Resulting Numbers: [75, 69, 78] Generated Node #0,0: 43:[75, 69, 78] Operation: 80-2=78 Exploring Operation: 69-2=67, Resulting Numbers: [80, 75, 67] Generated Node #0,1: 43:[80, 75, 67] Operation: 69-2=67 Exploring Operation: 80/2=40, Resulting Numbers: [75, 69, 40] Generated Node #0,2: 43:[75, 69, 40] Operation: 80/2=40 Exploring Operation: 75-2=73, Resulting Numbers: [80, 69, 73] Generated Node #0,3: 43:[80, 69, 73] Operation: 75-2=73 Moving to Node #0,2 Current State: 43:[75, 69, 40], Operations: ['80/2=40'] Exploring Operation: 75-40=35, Resulting Numbers: [69, 35] Generated Node #0,2,0: 43:[69, 35] Operation: 75-40=35 Exploring Operation: 69-40=29, Resulting Numbers: [75, 29] Generated Node #0,2,1: 43:[75, 29] Operation: 69-40=29 Exploring Operation: 75-69=6, Resulting Numbers: [40, 6] Generated Node #0,2,2: 43:[40, 6] Operation: 75-69=6 Exploring Operation: 75+40=115, Resulting Numbers: [69, 115] Generated Node #0,2,3: 43:[69, 115] Operation: 75+40=115 Moving to Node #0,1 Current State: 43:[80, 75, 67], Operations: ['69-2=67'] Exploring Operation: 75-67=8, Resulting Numbers: [80, 8] Generated Node #0,1,0: 43:[80, 8] Operation: 75-67=8 Exploring Operation: 80-75=5, Resulting Numbers: [67, 5] Generated Node #0,1,1: 43:[67, 5] Operation: 80-75=5 Exploring Operation: 80+75=155, Resulting Numbers: [67, 155] Generated Node #0,1,2: 43:[67, 155] Operation: 80+75=155 Exploring Operation: 80-67=13, Resulting Numbers: [75, 13] Generated Node #0,1,3: 43:[75, 13] Operation: 80-67=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[67, 5], Operations: ['69-2=67', '80-75=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,43 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[75, 13], Operations: ['69-2=67', '80-67=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[80, 8], Operations: ['69-2=67', '75-67=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 80*8=640, Resulting Numbers: [640] 640,43 unequal: No Solution Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[67, 155], Operations: ['69-2=67', '80+75=155'] Exploring Operation: 155-67=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 67+155=222, Resulting Numbers: [222] 222,43 unequal: No Solution Exploring Operation: 67*155=10385, Resulting Numbers: [10385] 10385,43 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: 43:[75, 69, 78], Operations: ['80-2=78'] Exploring Operation: 78-75=3, Resulting Numbers: [69, 3] Generated Node #0,0,0: 43:[69, 3] Operation: 78-75=3 Exploring Operation: 75-69=6, Resulting Numbers: [78, 6] Generated Node #0,0,1: 43:[78, 6] Operation: 75-69=6 Exploring Operation: 78-69=9, Resulting Numbers: [75, 9] Generated Node #0,0,2: 43:[75, 9] Operation: 78-69=9 Exploring Operation: 75+69=144, Resulting Numbers: [78, 144] Generated Node #0,0,3: 43:[78, 144] Operation: 75+69=144 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[69, 3], Operations: ['80-2=78', '78-75=3'] Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,43 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[75, 9], Operations: ['80-2=78', '78-69=9'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,43 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[78, 6], Operations: ['80-2=78', '75-69=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,43 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[78, 144], Operations: ['80-2=78', '75+69=144'] Exploring Operation: 78*144=11232, Resulting Numbers: [11232] 11232,43 unequal: No Solution Exploring Operation: 78+144=222, Resulting Numbers: [222] 222,43 unequal: No Solution Exploring Operation: 144-78=66, Resulting Numbers: [66] 66,43 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: 43:[80, 69, 73], Operations: ['75-2=73'] Exploring Operation: 80-69=11, Resulting Numbers: [73, 11] Generated Node #0,3,0: 43:[73, 11] Operation: 80-69=11 Exploring Operation: 80+69=149, Resulting Numbers: [73, 149] Generated Node #0,3,1: 43:[73, 149] Operation: 80+69=149 Exploring Operation: 73-69=4, Resulting Numbers: [80, 4] Generated Node #0,3,2: 43:[80, 4] Operation: 73-69=4 Exploring Operation: 80-73=7, Resulting Numbers: [69, 7] Generated Node #0,3,3: 43:[69, 7] Operation: 80-73=7 Moving to Node #0,2,0 Current State: 43:[69, 35], Operations: ['80/2=40', '75-40=35'] Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,43 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[40, 6], Operations: ['80/2=40', '75-69=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,43 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[75, 29], Operations: ['80/2=40', '69-40=29'] Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[69, 7], Operations: ['75-2=73', '80-73=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 69*7=483, Resulting Numbers: [483] 483,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[73, 11], Operations: ['75-2=73', '80-69=11'] Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 73*11=803, Resulting Numbers: [803] 803,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[80, 4], Operations: ['75-2=73', '73-69=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[69, 115], Operations: ['80/2=40', '75+40=115'] Exploring Operation: 69*115=7935, Resulting Numbers: [7935] 7935,43 unequal: No Solution Exploring Operation: 69+115=184, Resulting Numbers: [184] 184,43 unequal: No Solution Exploring Operation: 115-69=46, Resulting Numbers: [46] 46,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[73, 149], Operations: ['75-2=73', '80+69=149'] Exploring Operation: 73+149=222, Resulting Numbers: [222] 222,43 unequal: No Solution Exploring Operation: 149-73=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 73*149=10877, Resulting Numbers: [10877] 10877,43 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 50, 4, 25, 1 ]
56
[ "25-1=24", "24/4=6", "50+6=56" ]
Current State: 56:[50, 4, 25, 1], Operations: [] Exploring Operation: 25-1=24, Resulting Numbers: [50, 4, 24] Generated Node #2: [50, 4, 24] from Operation: 25-1=24 Current State: 56:[50, 4, 24], Operations: ['25-1=24'] Exploring Operation: 24/4=6, Resulting Numbers: [50, 6] Generated Node #3: [50, 6] from Operation: 24/4=6 Current State: 56:[50, 6], Operations: ['25-1=24', '24/4=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[50, 4, 25, 1], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [4, 1, 2] Generated Node #0,0: 56:[4, 1, 2] Operation: 50/25=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[4, 1, 2], Operations: ['50/25=2'] Exploring Operation: 4*1=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 56:[2, 4] Operation: 4*1=4 Moving to Node #0,0,0 Current State: 56:[2, 4], Operations: ['50/25=2', '4*1=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,56 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
[ 22, 8, 80, 98 ]
95
[ "22+98=120", "120/8=15", "80+15=95" ]
Current State: 95:[22, 8, 80, 98], Operations: [] Exploring Operation: 22+98=120, Resulting Numbers: [8, 80, 120] Generated Node #2: [8, 80, 120] from Operation: 22+98=120 Current State: 95:[8, 80, 120], Operations: ['22+98=120'] Exploring Operation: 120/8=15, Resulting Numbers: [80, 15] Generated Node #3: [80, 15] from Operation: 120/8=15 Current State: 95:[80, 15], Operations: ['22+98=120', '120/8=15'] Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[22, 8, 80, 98], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [22, 98, 10] Generated Node #0,0: 95:[22, 98, 10] Operation: 80/8=10 Exploring Operation: 98-80=18, Resulting Numbers: [22, 8, 18] Generated Node #0,1: 95:[22, 8, 18] Operation: 98-80=18 Moving to Node #0,1 Current State: 95:[22, 8, 18], Operations: ['98-80=18'] Exploring Operation: 22-18=4, Resulting Numbers: [8, 4] Generated Node #0,1,0: 95:[8, 4] Operation: 22-18=4 Exploring Operation: 22-8=14, Resulting Numbers: [18, 14] Generated Node #0,1,1: 95:[18, 14] Operation: 22-8=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[8, 4], Operations: ['98-80=18', '22-18=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,95 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,95 unequal: No Solution No 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: 95:[18, 14], Operations: ['98-80=18', '22-8=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,95 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,95 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: 95:[22, 98, 10], Operations: ['80/8=10'] Exploring Operation: 98-10=88, Resulting Numbers: [22, 88] Generated Node #0,0,0: 95:[22, 88] Operation: 98-10=88 Exploring Operation: 22-10=12, Resulting Numbers: [98, 12] Generated Node #0,0,1: 95:[98, 12] Operation: 22-10=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[22, 88], Operations: ['80/8=10', '98-10=88'] Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 22+88=110, Resulting Numbers: [110] 110,95 unequal: No Solution No 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: 95:[98, 12], Operations: ['80/8=10', '22-10=12'] Exploring Operation: 98+12=110, Resulting Numbers: [110] 110,95 unequal: No Solution Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,95 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
[ 41, 54, 2, 78 ]
52
[ "54-41=13", "78/2=39", "13+39=52" ]
Current State: 52:[41, 54, 2, 78], Operations: [] Exploring Operation: 54-41=13, Resulting Numbers: [2, 78, 13] Generated Node #2: [2, 78, 13] from Operation: 54-41=13 Current State: 52:[2, 78, 13], Operations: ['54-41=13'] Exploring Operation: 78/2=39, Resulting Numbers: [13, 39] Generated Node #3: [13, 39] from Operation: 78/2=39 Current State: 52:[13, 39], Operations: ['54-41=13', '78/2=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[41, 54, 2, 78], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [41, 2, 24] Generated Node #0,0: 52:[41, 2, 24] Operation: 78-54=24 Exploring Operation: 41+2=43, Resulting Numbers: [54, 78, 43] Generated Node #0,1: 52:[54, 78, 43] Operation: 41+2=43 Exploring Operation: 78-41=37, Resulting Numbers: [54, 2, 37] Generated Node #0,2: 52:[54, 2, 37] Operation: 78-41=37 Exploring Operation: 54-41=13, Resulting Numbers: [2, 78, 13] Generated Node #0,3: 52:[2, 78, 13] Operation: 54-41=13 Exploring Operation: 78/2=39, Resulting Numbers: [41, 54, 39] Generated Node #0,4: 52:[41, 54, 39] Operation: 78/2=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[41, 2, 24], Operations: ['78-54=24'] Exploring Operation: 24/2=12, Resulting Numbers: [41, 12] Generated Node #0,0,0: 52:[41, 12] Operation: 24/2=12 Exploring Operation: 41-24=17, Resulting Numbers: [2, 17] Generated Node #0,0,1: 52:[2, 17] Operation: 41-24=17 Exploring Operation: 41+2=43, Resulting Numbers: [24, 43] Generated Node #0,0,2: 52:[24, 43] Operation: 41+2=43 Exploring Operation: 41+24=65, Resulting Numbers: [2, 65] Generated Node #0,0,3: 52:[2, 65] Operation: 41+24=65 Exploring Operation: 2+24=26, Resulting Numbers: [41, 26] Generated Node #0,0,4: 52:[41, 26] Operation: 2+24=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[2, 17], Operations: ['78-54=24', '41-24=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,52 unequal: No Solution No 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: 52:[24, 43], Operations: ['78-54=24', '41+2=43'] Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 24*43=1032, Resulting Numbers: [1032] 1032,52 unequal: No Solution Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,52 unequal: No Solution No 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: 52:[41, 26], Operations: ['78-54=24', '2+24=26'] Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,52 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,52 unequal: No Solution No 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: 52:[41, 12], Operations: ['78-54=24', '24/2=12'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,52 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,52 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,52 unequal: No Solution No 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: 52:[2, 65], Operations: ['78-54=24', '41+24=65'] Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,52 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,52 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: 52:[54, 2, 37], Operations: ['78-41=37'] Exploring Operation: 37-2=35, Resulting Numbers: [54, 35] Generated Node #0,2,0: 52:[54, 35] Operation: 37-2=35 Exploring Operation: 54/2=27, Resulting Numbers: [37, 27] Generated Node #0,2,1: 52:[37, 27] Operation: 54/2=27 Exploring Operation: 54-2=52, Resulting Numbers: [37, 52] Generated Node #0,2,2: 52:[37, 52] Operation: 54-2=52 Exploring Operation: 54-37=17, Resulting Numbers: [2, 17] Generated Node #0,2,3: 52:[2, 17] Operation: 54-37=17 Exploring Operation: 54+2=56, Resulting Numbers: [37, 56] Generated Node #0,2,4: 52:[37, 56] Operation: 54+2=56 Moving to Node #0,2,3 Current State: 52:[2, 17], Operations: ['78-41=37', '54-37=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[37, 52], Operations: ['78-41=37', '54-2=52'] Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 37*52=1924, Resulting Numbers: [1924] 1924,52 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[54, 35], Operations: ['78-41=37', '37-2=35'] Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,52 unequal: No Solution Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[37, 27], Operations: ['78-41=37', '54/2=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,52 unequal: No Solution Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,52 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,52 unequal: No Solution Moving to Node #0,2,4 Current State: 52:[37, 56], Operations: ['78-41=37', '54+2=56'] Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,52 unequal: No Solution Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,52 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[2, 78, 13], Operations: ['54-41=13'] Exploring Operation: 78/13=6, Resulting Numbers: [2, 6] Generated Node #0,3,0: 52:[2, 6] Operation: 78/13=6 Exploring Operation: 2*13=26, Resulting Numbers: [78, 26] Generated Node #0,3,1: 52:[78, 26] Operation: 2*13=26 Exploring Operation: 78-2=76, Resulting Numbers: [13, 76] Generated Node #0,3,2: 52:[13, 76] Operation: 78-2=76 Exploring Operation: 78-13=65, Resulting Numbers: [2, 65] Generated Node #0,3,3: 52:[2, 65] Operation: 78-13=65 Exploring Operation: 78/2=39, Resulting Numbers: [13, 39] Generated Node #0,3,4: 52:[13, 39] Operation: 78/2=39 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 52:[2, 6], Operations: ['54-41=13', '78/13=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,52 unequal: No Solution No 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: 52:[2, 65], Operations: ['54-41=13', '78-13=65'] Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,52 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,52 unequal: No Solution No 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: 52:[13, 39], Operations: ['54-41=13', '78/2=39'] Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,52 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[41, 54, 2, 78], Operations: [] Exploring Operation: 54-41=13, Resulting Numbers: [2, 78, 13] Generated Node #0,3: 52:[2, 78, 13] Operation: 54-41=13 Moving to Node #0,3 Current State: 52:[2, 78, 13], Operations: ['54-41=13'] Exploring Operation: 78/2=39, Resulting Numbers: [13, 39] Generated Node #0,3,4: 52:[13, 39] Operation: 78/2=39 Moving to Node #0,3,4 Current State: 52:[13, 39], Operations: ['54-41=13', '78/2=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.945313
hs_5
sum_heuristic
[ 34, 37, 30, 51 ]
92
[ "34+37=71", "51-30=21", "71+21=92" ]
Current State: 92:[34, 37, 30, 51], Operations: [] Exploring Operation: 34+37=71, Resulting Numbers: [30, 51, 71] Generated Node #2: [30, 51, 71] from Operation: 34+37=71 Current State: 92:[30, 51, 71], Operations: ['34+37=71'] Exploring Operation: 51-30=21, Resulting Numbers: [71, 21] Generated Node #3: [71, 21] from Operation: 51-30=21 Current State: 92:[71, 21], Operations: ['34+37=71', '51-30=21'] Exploring Operation: 71+21=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[34, 37, 30, 51], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [37, 51, 4] Generated Node #0,0: 92:[37, 51, 4] Operation: 34-30=4 Exploring Operation: 37-34=3, Resulting Numbers: [30, 51, 3] Generated Node #0,1: 92:[30, 51, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[30, 51, 3], Operations: ['37-34=3'] Exploring Operation: 51-30=21, Resulting Numbers: [3, 21] Generated Node #0,1,0: 92:[3, 21] Operation: 51-30=21 Exploring Operation: 30*3=90, Resulting Numbers: [51, 90] Generated Node #0,1,1: 92:[51, 90] Operation: 30*3=90 Moving to Node #0,1,0 Current State: 92:[3, 21], Operations: ['37-34=3', '51-30=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[51, 90], Operations: ['37-34=3', '30*3=90'] Exploring Operation: 51+90=141, Resulting Numbers: [141] 141,92 unequal: No Solution Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[37, 51, 4], Operations: ['34-30=4'] Exploring Operation: 37+51=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 92:[4, 88] Operation: 37+51=88 Exploring Operation: 51-37=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 92:[4, 14] Operation: 51-37=14 Moving to Node #0,0,0 Current State: 92:[4, 88], Operations: ['34-30=4', '37+51=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[34, 37, 30, 51], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [37, 51, 4] Generated Node #0,0: 92:[37, 51, 4] Operation: 34-30=4 Moving to Node #0,0 Current State: 92:[37, 51, 4], Operations: ['34-30=4'] Exploring Operation: 37+51=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 92:[4, 88] Operation: 37+51=88 Moving to Node #0,0,0 Current State: 92:[4, 88], Operations: ['34-30=4', '37+51=88'] Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 68, 8, 7, 57 ]
11
[ "68-57=11", "8-7=1", "11*1=11" ]
Current State: 11:[68, 8, 7, 57], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [8, 7, 11] Generated Node #2: [8, 7, 11] from Operation: 68-57=11 Current State: 11:[8, 7, 11], Operations: ['68-57=11'] Exploring Operation: 8-7=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 8-7=1 Current State: 11:[11, 1], Operations: ['68-57=11', '8-7=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[68, 8, 7, 57], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [8, 7, 11] Generated Node #0,0: 11:[8, 7, 11] Operation: 68-57=11 Moving to Node #0,0 Current State: 11:[8, 7, 11], Operations: ['68-57=11'] Exploring Operation: 8+7=15, Resulting Numbers: [11, 15] Generated Node #0,0,0: 11:[11, 15] Operation: 8+7=15 Moving to Node #0,0,0 Current State: 11:[11, 15], Operations: ['68-57=11', '8+7=15'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 48, 57, 2, 37 ]
38
[ "57-37=20", "20/2=10", "48-10=38" ]
Current State: 38:[48, 57, 2, 37], Operations: [] Exploring Operation: 57-37=20, Resulting Numbers: [48, 2, 20] Generated Node #2: [48, 2, 20] from Operation: 57-37=20 Current State: 38:[48, 2, 20], Operations: ['57-37=20'] Exploring Operation: 20/2=10, Resulting Numbers: [48, 10] Generated Node #3: [48, 10] from Operation: 20/2=10 Current State: 38:[48, 10], Operations: ['57-37=20', '20/2=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[48, 57, 2, 37], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [2, 37, 9] Generated Node #0,0: 38:[2, 37, 9] Operation: 57-48=9 Exploring Operation: 57-37=20, Resulting Numbers: [48, 2, 20] Generated Node #0,1: 38:[48, 2, 20] Operation: 57-37=20 Moving to Node #0,0 Current State: 38:[2, 37, 9], Operations: ['57-48=9'] Exploring Operation: 9-2=7, Resulting Numbers: [37, 7] Generated Node #0,0,0: 38:[37, 7] Operation: 9-2=7 Exploring Operation: 2*9=18, Resulting Numbers: [37, 18] Generated Node #0,0,1: 38:[37, 18] Operation: 2*9=18 Moving to Node #0,1 Current State: 38:[48, 2, 20], Operations: ['57-37=20'] Exploring Operation: 48-2=46, Resulting Numbers: [20, 46] Generated Node #0,1,0: 38:[20, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [20, 24] Generated Node #0,1,1: 38:[20, 24] Operation: 48/2=24 Moving to Node #0,0,1 Current State: 38:[37, 18], Operations: ['57-48=9', '2*9=18'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[20, 24], Operations: ['57-37=20', '48/2=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[37, 7], Operations: ['57-48=9', '9-2=7'] Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[20, 46], Operations: ['57-37=20', '48-2=46'] Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,38 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 16, 9, 79, 81 ]
88
[ "79-16=63", "63/9=7", "81+7=88" ]
Current State: 88:[16, 9, 79, 81], Operations: [] Exploring Operation: 79-16=63, Resulting Numbers: [9, 81, 63] Generated Node #2: [9, 81, 63] from Operation: 79-16=63 Current State: 88:[9, 81, 63], Operations: ['79-16=63'] Exploring Operation: 63/9=7, Resulting Numbers: [81, 7] Generated Node #3: [81, 7] from Operation: 63/9=7 Current State: 88:[81, 7], Operations: ['79-16=63', '63/9=7'] Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[16, 9, 79, 81], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [16, 9, 2] Generated Node #0,0: 88:[16, 9, 2] Operation: 81-79=2 Exploring Operation: 16+79=95, Resulting Numbers: [9, 81, 95] Generated Node #0,1: 88:[9, 81, 95] Operation: 16+79=95 Exploring Operation: 9+79=88, Resulting Numbers: [16, 81, 88] Generated Node #0,2: 88:[16, 81, 88] Operation: 9+79=88 Moving to Node #0,0 Current State: 88:[16, 9, 2], Operations: ['81-79=2'] Exploring Operation: 16/2=8, Resulting Numbers: [9, 8] Generated Node #0,0,0: 88:[9, 8] Operation: 16/2=8 Exploring Operation: 16-9=7, Resulting Numbers: [2, 7] Generated Node #0,0,1: 88:[2, 7] Operation: 16-9=7 Exploring Operation: 16+9=25, Resulting Numbers: [2, 25] Generated Node #0,0,2: 88:[2, 25] Operation: 16+9=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[9, 8], Operations: ['81-79=2', '16/2=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,88 unequal: No Solution No 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: 88:[2, 7], Operations: ['81-79=2', '16-9=7'] 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 Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,88 unequal: No Solution No 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: 88:[2, 25], Operations: ['81-79=2', '16+9=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,88 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,88 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: 88:[16, 81, 88], Operations: ['9+79=88'] Exploring Operation: 81-16=65, Resulting Numbers: [88, 65] Generated Node #0,2,0: 88:[88, 65] Operation: 81-16=65 Exploring Operation: 16+81=97, Resulting Numbers: [88, 97] Generated Node #0,2,1: 88:[88, 97] Operation: 16+81=97 Exploring Operation: 88-81=7, Resulting Numbers: [16, 7] Generated Node #0,2,2: 88:[16, 7] Operation: 88-81=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[16, 7], Operations: ['9+79=88', '88-81=7'] Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,88 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,88 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[88, 97], Operations: ['9+79=88', '16+81=97'] Exploring Operation: 88*97=8536, Resulting Numbers: [8536] 8536,88 unequal: No Solution Exploring Operation: 88+97=185, Resulting Numbers: [185] 185,88 unequal: No Solution Exploring Operation: 97-88=9, Resulting Numbers: [9] 9,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[88, 65], Operations: ['9+79=88', '81-16=65'] Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 88+65=153, Resulting Numbers: [153] 153,88 unequal: No Solution Exploring Operation: 88*65=5720, Resulting Numbers: [5720] 5720,88 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: 88:[9, 81, 95], Operations: ['16+79=95'] Exploring Operation: 9+81=90, Resulting Numbers: [95, 90] Generated Node #0,1,0: 88:[95, 90] Operation: 9+81=90 Exploring Operation: 81/9=9, Resulting Numbers: [95, 9] Generated Node #0,1,1: 88:[95, 9] Operation: 81/9=9 Exploring Operation: 95-81=14, Resulting Numbers: [9, 14] Generated Node #0,1,2: 88:[9, 14] Operation: 95-81=14 Moving to Node #0,1,2 Current State: 88:[9, 14], Operations: ['16+79=95', '95-81=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,88 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[95, 9], Operations: ['16+79=95', '81/9=9'] Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,88 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[95, 90], Operations: ['16+79=95', '9+81=90'] Exploring Operation: 95*90=8550, Resulting Numbers: [8550] 8550,88 unequal: No Solution Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 95+90=185, Resulting Numbers: [185] 185,88 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 20, 37, 61, 62 ]
18
[ "37-20=17", "62-61=1", "17+1=18" ]
Current State: 18:[20, 37, 61, 62], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [61, 62, 17] Generated Node #2: [61, 62, 17] from Operation: 37-20=17 Current State: 18:[61, 62, 17], Operations: ['37-20=17'] Exploring Operation: 62-61=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 62-61=1 Current State: 18:[17, 1], Operations: ['37-20=17', '62-61=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[20, 37, 61, 62], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [20, 62, 24] Generated Node #0,0: 18:[20, 62, 24] Operation: 61-37=24 Exploring Operation: 62-20=42, Resulting Numbers: [37, 61, 42] Generated Node #0,1: 18:[37, 61, 42] Operation: 62-20=42 Exploring Operation: 62-61=1, Resulting Numbers: [20, 37, 1] Generated Node #0,2: 18:[20, 37, 1] Operation: 62-61=1 Exploring Operation: 62-37=25, Resulting Numbers: [20, 61, 25] Generated Node #0,3: 18:[20, 61, 25] Operation: 62-37=25 Exploring Operation: 61-20=41, Resulting Numbers: [37, 62, 41] Generated Node #0,4: 18:[37, 62, 41] Operation: 61-20=41 Moving to Node #0,2 Current State: 18:[20, 37, 1], Operations: ['62-61=1'] Exploring Operation: 37-20=17, Resulting Numbers: [1, 17] Generated Node #0,2,0: 18:[1, 17] Operation: 37-20=17 Exploring Operation: 20*1=20, Resulting Numbers: [37, 20] Generated Node #0,2,1: 18:[37, 20] Operation: 20*1=20 Exploring Operation: 37-1=36, Resulting Numbers: [20, 36] Generated Node #0,2,2: 18:[20, 36] Operation: 37-1=36 Exploring Operation: 20/1=20, Resulting Numbers: [37, 20] Generated Node #0,2,3: 18:[37, 20] Operation: 20/1=20 Exploring Operation: 20-1=19, Resulting Numbers: [37, 19] Generated Node #0,2,4: 18:[37, 19] Operation: 20-1=19 Moving to Node #0,3 Current State: 18:[20, 61, 25], Operations: ['62-37=25'] Exploring Operation: 20+25=45, Resulting Numbers: [61, 45] Generated Node #0,3,0: 18:[61, 45] Operation: 20+25=45 Exploring Operation: 20+61=81, Resulting Numbers: [25, 81] Generated Node #0,3,1: 18:[25, 81] Operation: 20+61=81 Exploring Operation: 61-25=36, Resulting Numbers: [20, 36] Generated Node #0,3,2: 18:[20, 36] Operation: 61-25=36 Exploring Operation: 25-20=5, Resulting Numbers: [61, 5] Generated Node #0,3,3: 18:[61, 5] Operation: 25-20=5 Exploring Operation: 61-20=41, Resulting Numbers: [25, 41] Generated Node #0,3,4: 18:[25, 41] Operation: 61-20=41 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[20, 36], Operations: ['62-37=25', '61-25=36'] Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 20*36=720, Resulting Numbers: [720] 720,18 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[25, 41], Operations: ['62-37=25', '61-20=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,18 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[61, 5], Operations: ['62-37=25', '25-20=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,18 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[61, 45], Operations: ['62-37=25', '20+25=45'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,18 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[25, 81], Operations: ['62-37=25', '20+61=81'] Exploring Operation: 25+81=106, Resulting Numbers: [106] 106,18 unequal: No Solution Exploring Operation: 25*81=2025, Resulting Numbers: [2025] 2025,18 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,18 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: 18:[20, 62, 24], Operations: ['61-37=24'] Exploring Operation: 24-20=4, Resulting Numbers: [62, 4] Generated Node #0,0,0: 18:[62, 4] Operation: 24-20=4 Exploring Operation: 20+62=82, Resulting Numbers: [24, 82] Generated Node #0,0,1: 18:[24, 82] Operation: 20+62=82 Exploring Operation: 20+24=44, Resulting Numbers: [62, 44] Generated Node #0,0,2: 18:[62, 44] Operation: 20+24=44 Exploring Operation: 62-20=42, Resulting Numbers: [24, 42] Generated Node #0,0,3: 18:[24, 42] Operation: 62-20=42 Exploring Operation: 62-24=38, Resulting Numbers: [20, 38] Generated Node #0,0,4: 18:[20, 38] Operation: 62-24=38 Moving to Node #0,1 Current State: 18:[37, 61, 42], Operations: ['62-20=42'] Exploring Operation: 37+42=79, Resulting Numbers: [61, 79] Generated Node #0,1,0: 18:[61, 79] Operation: 37+42=79 Exploring Operation: 61-42=19, Resulting Numbers: [37, 19] Generated Node #0,1,1: 18:[37, 19] Operation: 61-42=19 Exploring Operation: 37+61=98, Resulting Numbers: [42, 98] Generated Node #0,1,2: 18:[42, 98] Operation: 37+61=98 Exploring Operation: 42-37=5, Resulting Numbers: [61, 5] Generated Node #0,1,3: 18:[61, 5] Operation: 42-37=5 Exploring Operation: 61-37=24, Resulting Numbers: [42, 24] Generated Node #0,1,4: 18:[42, 24] Operation: 61-37=24 Moving to Node #0,4 Current State: 18:[37, 62, 41], Operations: ['61-20=41'] Exploring Operation: 37+41=78, Resulting Numbers: [62, 78] Generated Node #0,4,0: 18:[62, 78] Operation: 37+41=78 Exploring Operation: 37+62=99, Resulting Numbers: [41, 99] Generated Node #0,4,1: 18:[41, 99] Operation: 37+62=99 Exploring Operation: 62-41=21, Resulting Numbers: [37, 21] Generated Node #0,4,2: 18:[37, 21] Operation: 62-41=21 Exploring Operation: 62-37=25, Resulting Numbers: [41, 25] Generated Node #0,4,3: 18:[41, 25] Operation: 62-37=25 Exploring Operation: 41-37=4, Resulting Numbers: [62, 4] Generated Node #0,4,4: 18:[62, 4] Operation: 41-37=4 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 18:[37, 21], Operations: ['61-20=41', '62-41=21'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 37*21=777, Resulting Numbers: [777] 777,18 unequal: No Solution Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 18:[41, 25], Operations: ['61-20=41', '62-37=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 18:[62, 4], Operations: ['61-20=41', '41-37=4'] Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,18 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,18 unequal: No Solution Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 18:[62, 78], Operations: ['61-20=41', '37+41=78'] Exploring Operation: 62+78=140, Resulting Numbers: [140] 140,18 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 62*78=4836, Resulting Numbers: [4836] 4836,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 18:[41, 99], Operations: ['61-20=41', '37+62=99'] Exploring Operation: 41+99=140, Resulting Numbers: [140] 140,18 unequal: No Solution Exploring Operation: 41*99=4059, Resulting Numbers: [4059] 4059,18 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,18 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: 18:[1, 17], Operations: ['62-61=1', '37-20=17'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[20, 37, 61, 62], Operations: [] Exploring Operation: 62-61=1, Resulting Numbers: [20, 37, 1] Generated Node #0,2: 18:[20, 37, 1] Operation: 62-61=1 Moving to Node #0,2 Current State: 18:[20, 37, 1], Operations: ['62-61=1'] Exploring Operation: 37-20=17, Resulting Numbers: [1, 17] Generated Node #0,2,0: 18:[1, 17] Operation: 37-20=17 Moving to Node #0,2,0 Current State: 18:[1, 17], Operations: ['62-61=1', '37-20=17'] Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 99, 40, 89, 56 ]
86
[ "99-40=59", "89+56=145", "145-59=86" ]
Current State: 86:[99, 40, 89, 56], Operations: [] Exploring Operation: 99-40=59, Resulting Numbers: [89, 56, 59] Generated Node #2: [89, 56, 59] from Operation: 99-40=59 Current State: 86:[89, 56, 59], Operations: ['99-40=59'] Exploring Operation: 89+56=145, Resulting Numbers: [59, 145] Generated Node #3: [59, 145] from Operation: 89+56=145 Current State: 86:[59, 145], Operations: ['99-40=59', '89+56=145'] Exploring Operation: 145-59=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[99, 40, 89, 56], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [40, 89, 43] Generated Node #0,0: 86:[40, 89, 43] Operation: 99-56=43 Exploring Operation: 99-89=10, Resulting Numbers: [40, 56, 10] Generated Node #0,1: 86:[40, 56, 10] Operation: 99-89=10 Moving to Node #0,0 Current State: 86:[40, 89, 43], Operations: ['99-56=43'] Exploring Operation: 89-40=49, Resulting Numbers: [43, 49] Generated Node #0,0,0: 86:[43, 49] Operation: 89-40=49 Exploring Operation: 43-40=3, Resulting Numbers: [89, 3] Generated Node #0,0,1: 86:[89, 3] Operation: 43-40=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[89, 3], Operations: ['99-56=43', '43-40=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[99, 40, 89, 56], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [40, 89, 43] Generated Node #0,0: 86:[40, 89, 43] Operation: 99-56=43 Moving to Node #0,0 Current State: 86:[40, 89, 43], Operations: ['99-56=43'] Exploring Operation: 43-40=3, Resulting Numbers: [89, 3] Generated Node #0,0,1: 86:[89, 3] Operation: 43-40=3 Moving to Node #0,0,1 Current State: 86:[89, 3], Operations: ['99-56=43', '43-40=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 26, 13, 60, 97 ]
76
[ "26+13=39", "97-60=37", "39+37=76" ]
Current State: 76:[26, 13, 60, 97], Operations: [] Exploring Operation: 26+13=39, Resulting Numbers: [60, 97, 39] Generated Node #2: [60, 97, 39] from Operation: 26+13=39 Current State: 76:[60, 97, 39], Operations: ['26+13=39'] Exploring Operation: 97-60=37, Resulting Numbers: [39, 37] Generated Node #3: [39, 37] from Operation: 97-60=37 Current State: 76:[39, 37], Operations: ['26+13=39', '97-60=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[26, 13, 60, 97], Operations: [] Exploring Operation: 97-26=71, Resulting Numbers: [13, 60, 71] Generated Node #0,0: 76:[13, 60, 71] Operation: 97-26=71 Exploring Operation: 97-60=37, Resulting Numbers: [26, 13, 37] Generated Node #0,1: 76:[26, 13, 37] Operation: 97-60=37 Moving to Node #0,1 Current State: 76:[26, 13, 37], Operations: ['97-60=37'] Exploring Operation: 26+13=39, Resulting Numbers: [37, 39] Generated Node #0,1,0: 76:[37, 39] Operation: 26+13=39 Exploring Operation: 26/13=2, Resulting Numbers: [37, 2] Generated Node #0,1,1: 76:[37, 2] Operation: 26/13=2 Moving to Node #0,0 Current State: 76:[13, 60, 71], Operations: ['97-26=71'] Exploring Operation: 13+60=73, Resulting Numbers: [71, 73] Generated Node #0,0,0: 76:[71, 73] Operation: 13+60=73 Exploring Operation: 71-60=11, Resulting Numbers: [13, 11] Generated Node #0,0,1: 76:[13, 11] Operation: 71-60=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[71, 73], Operations: ['97-26=71', '13+60=73'] Exploring Operation: 73-71=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 71+73=144, Resulting Numbers: [144] 144,76 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 #0,0,1 Current State: 76:[13, 11], Operations: ['97-26=71', '71-60=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 76:[37, 2], Operations: ['97-60=37', '26/13=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[37, 39], Operations: ['97-60=37', '26+13=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[26, 13, 60, 97], Operations: [] Exploring Operation: 97-60=37, Resulting Numbers: [26, 13, 37] Generated Node #0,1: 76:[26, 13, 37] Operation: 97-60=37 Moving to Node #0,1 Current State: 76:[26, 13, 37], Operations: ['97-60=37'] Exploring Operation: 26+13=39, Resulting Numbers: [37, 39] Generated Node #0,1,0: 76:[37, 39] Operation: 26+13=39 Moving to Node #0,1,0 Current State: 76:[37, 39], Operations: ['97-60=37', '26+13=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 32, 41, 30, 40 ]
88
[ "40-32=8", "41-30=11", "8*11=88" ]
Current State: 88:[32, 41, 30, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [41, 30, 8] Generated Node #2: [41, 30, 8] from Operation: 40-32=8 Current State: 88:[41, 30, 8], Operations: ['40-32=8'] Exploring Operation: 41-30=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 41-30=11 Current State: 88:[8, 11], Operations: ['40-32=8', '41-30=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[32, 41, 30, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [41, 30, 8] Generated Node #0,0: 88:[41, 30, 8] Operation: 40-32=8 Exploring Operation: 32-30=2, Resulting Numbers: [41, 40, 2] Generated Node #0,1: 88:[41, 40, 2] Operation: 32-30=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[41, 40, 2], Operations: ['32-30=2'] Exploring Operation: 41+2=43, Resulting Numbers: [40, 43] Generated Node #0,1,0: 88:[40, 43] Operation: 41+2=43 Exploring Operation: 41-40=1, Resulting Numbers: [2, 1] Generated Node #0,1,1: 88:[2, 1] Operation: 41-40=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[2, 1], Operations: ['32-30=2', '41-40=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,88 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 #0,1,0 Current State: 88:[40, 43], Operations: ['32-30=2', '41+2=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,88 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:[41, 30, 8], Operations: ['40-32=8'] Exploring Operation: 41-30=11, Resulting Numbers: [8, 11] Generated Node #0,0,0: 88:[8, 11] Operation: 41-30=11 Exploring Operation: 30-8=22, Resulting Numbers: [41, 22] Generated Node #0,0,1: 88:[41, 22] Operation: 30-8=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[8, 11], Operations: ['40-32=8', '41-30=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[32, 41, 30, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [41, 30, 8] Generated Node #0,0: 88:[41, 30, 8] Operation: 40-32=8 Moving to Node #0,0 Current State: 88:[41, 30, 8], Operations: ['40-32=8'] Exploring Operation: 41-30=11, Resulting Numbers: [8, 11] Generated Node #0,0,0: 88:[8, 11] Operation: 41-30=11 Moving to Node #0,0,0 Current State: 88:[8, 11], Operations: ['40-32=8', '41-30=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 86, 68, 3, 86 ]
17
[ "86/86=1", "3+1=4", "68/4=17" ]
Current State: 17:[86, 68, 3, 86], Operations: [] Exploring Operation: 86/86=1, Resulting Numbers: [68, 3, 1] Generated Node #2: [68, 3, 1] from Operation: 86/86=1 Current State: 17:[68, 3, 1], Operations: ['86/86=1'] Exploring Operation: 3+1=4, Resulting Numbers: [68, 4] Generated Node #3: [68, 4] from Operation: 3+1=4 Current State: 17:[68, 4], Operations: ['86/86=1', '3+1=4'] Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[86, 68, 3, 86], Operations: [] Exploring Operation: 86/86=1, Resulting Numbers: [68, 3, 1] Generated Node #0,0: 17:[68, 3, 1] Operation: 86/86=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[68, 3, 1], Operations: ['86/86=1'] Exploring Operation: 68-3=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 17:[1, 65] Operation: 68-3=65 Moving to Node #0,0,0 Current State: 17:[1, 65], Operations: ['86/86=1', '68-3=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,17 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
[ 4, 47, 56, 31 ]
53
[ "56-31=25", "4*25=100", "100-47=53" ]
Current State: 53:[4, 47, 56, 31], Operations: [] Exploring Operation: 56-31=25, Resulting Numbers: [4, 47, 25] Generated Node #2: [4, 47, 25] from Operation: 56-31=25 Current State: 53:[4, 47, 25], Operations: ['56-31=25'] Exploring Operation: 4*25=100, Resulting Numbers: [47, 100] Generated Node #3: [47, 100] from Operation: 4*25=100 Current State: 53:[47, 100], Operations: ['56-31=25', '4*25=100'] Exploring Operation: 100-47=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[4, 47, 56, 31], Operations: [] Exploring Operation: 4+31=35, Resulting Numbers: [47, 56, 35] Generated Node #0,0: 53:[47, 56, 35] Operation: 4+31=35 Exploring Operation: 4+47=51, Resulting Numbers: [56, 31, 51] Generated Node #0,1: 53:[56, 31, 51] Operation: 4+47=51 Moving to Node #0,0 Current State: 53:[47, 56, 35], Operations: ['4+31=35'] Exploring Operation: 56-35=21, Resulting Numbers: [47, 21] Generated Node #0,0,0: 53:[47, 21] Operation: 56-35=21 Exploring Operation: 47+35=82, Resulting Numbers: [56, 82] Generated Node #0,0,1: 53:[56, 82] Operation: 47+35=82 Moving to Node #0,1 Current State: 53:[56, 31, 51], Operations: ['4+47=51'] Exploring Operation: 56-31=25, Resulting Numbers: [51, 25] Generated Node #0,1,0: 53:[51, 25] Operation: 56-31=25 Exploring Operation: 31+51=82, Resulting Numbers: [56, 82] Generated Node #0,1,1: 53:[56, 82] Operation: 31+51=82 Moving to Node #0,1,0 Current State: 53:[51, 25], Operations: ['4+47=51', '56-31=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,53 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[56, 82], Operations: ['4+31=35', '47+35=82'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[56, 82], Operations: ['4+47=51', '31+51=82'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[47, 21], Operations: ['4+31=35', '56-35=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,53 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 1, 69, 84, 27 ]
41
[ "1+69=70", "84+27=111", "111-70=41" ]
Current State: 41:[1, 69, 84, 27], Operations: [] Exploring Operation: 1+69=70, Resulting Numbers: [84, 27, 70] Generated Node #2: [84, 27, 70] from Operation: 1+69=70 Current State: 41:[84, 27, 70], Operations: ['1+69=70'] Exploring Operation: 84+27=111, Resulting Numbers: [70, 111] Generated Node #3: [70, 111] from Operation: 84+27=111 Current State: 41:[70, 111], Operations: ['1+69=70', '84+27=111'] Exploring Operation: 111-70=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[1, 69, 84, 27], Operations: [] Exploring Operation: 69-1=68, Resulting Numbers: [84, 27, 68] Generated Node #0,0: 41:[84, 27, 68] Operation: 69-1=68 Exploring Operation: 84-69=15, Resulting Numbers: [1, 27, 15] Generated Node #0,1: 41:[1, 27, 15] Operation: 84-69=15 Exploring Operation: 84-1=83, Resulting Numbers: [69, 27, 83] Generated Node #0,2: 41:[69, 27, 83] Operation: 84-1=83 Moving to Node #0,1 Current State: 41:[1, 27, 15], Operations: ['84-69=15'] Exploring Operation: 1+27=28, Resulting Numbers: [15, 28] Generated Node #0,1,0: 41:[15, 28] Operation: 1+27=28 Exploring Operation: 1*27=27, Resulting Numbers: [15, 27] Generated Node #0,1,1: 41:[15, 27] Operation: 1*27=27 Exploring Operation: 1+15=16, Resulting Numbers: [27, 16] Generated Node #0,1,2: 41:[27, 16] Operation: 1+15=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[15, 28], Operations: ['84-69=15', '1+27=28'] Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,41 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,41 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 #0,1,2 Current State: 41:[27, 16], Operations: ['84-69=15', '1+15=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,41 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,41 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 #0,1,1 Current State: 41:[15, 27], Operations: ['84-69=15', '1*27=27'] Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,41 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,41 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: 41:[84, 27, 68], Operations: ['69-1=68'] Exploring Operation: 84-27=57, Resulting Numbers: [68, 57] Generated Node #0,0,0: 41:[68, 57] Operation: 84-27=57 Exploring Operation: 68-27=41, Resulting Numbers: [84, 41] Generated Node #0,0,1: 41:[84, 41] Operation: 68-27=41 Exploring Operation: 84-68=16, Resulting Numbers: [27, 16] Generated Node #0,0,2: 41:[27, 16] Operation: 84-68=16 Moving to Node #0,2 Current State: 41:[69, 27, 83], Operations: ['84-1=83'] Exploring Operation: 83-27=56, Resulting Numbers: [69, 56] Generated Node #0,2,0: 41:[69, 56] Operation: 83-27=56 Exploring Operation: 69-27=42, Resulting Numbers: [83, 42] Generated Node #0,2,1: 41:[83, 42] Operation: 69-27=42 Exploring Operation: 83-69=14, Resulting Numbers: [27, 14] Generated Node #0,2,2: 41:[27, 14] Operation: 83-69=14 Moving to Node #0,0,2 Current State: 41:[27, 16], Operations: ['69-1=68', '84-68=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,41 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[27, 14], Operations: ['84-1=83', '83-69=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[1, 69, 84, 27], Operations: [] Exploring Operation: 84-1=83, Resulting Numbers: [69, 27, 83] Generated Node #0,2: 41:[69, 27, 83] Operation: 84-1=83 Moving to Node #0,2 Current State: 41:[69, 27, 83], Operations: ['84-1=83'] Exploring Operation: 83-69=14, Resulting Numbers: [27, 14] Generated Node #0,2,2: 41:[27, 14] Operation: 83-69=14 Moving to Node #0,2,2 Current State: 41:[27, 14], Operations: ['84-1=83', '83-69=14'] Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
0.973958
hs_3
sum_heuristic
[ 52, 57, 77, 28 ]
19
[ "77-52=25", "28-25=3", "57/3=19" ]
Current State: 19:[52, 57, 77, 28], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [57, 28, 25] Generated Node #2: [57, 28, 25] from Operation: 77-52=25 Current State: 19:[57, 28, 25], Operations: ['77-52=25'] Exploring Operation: 28-25=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 28-25=3 Current State: 19:[57, 3], Operations: ['77-52=25', '28-25=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[52, 57, 77, 28], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [52, 28, 20] Generated Node #0,0: 19:[52, 28, 20] Operation: 77-57=20 Exploring Operation: 57-52=5, Resulting Numbers: [77, 28, 5] Generated Node #0,1: 19:[77, 28, 5] Operation: 57-52=5 Exploring Operation: 57-28=29, Resulting Numbers: [52, 77, 29] Generated Node #0,2: 19:[52, 77, 29] Operation: 57-28=29 Exploring Operation: 52-28=24, Resulting Numbers: [57, 77, 24] Generated Node #0,3: 19:[57, 77, 24] Operation: 52-28=24 Exploring Operation: 77-52=25, Resulting Numbers: [57, 28, 25] Generated Node #0,4: 19:[57, 28, 25] Operation: 77-52=25 Moving to Node #0,0 Current State: 19:[52, 28, 20], Operations: ['77-57=20'] Exploring Operation: 52+28=80, Resulting Numbers: [20, 80] Generated Node #0,0,0: 19:[20, 80] Operation: 52+28=80 Exploring Operation: 28-20=8, Resulting Numbers: [52, 8] Generated Node #0,0,1: 19:[52, 8] Operation: 28-20=8 Exploring Operation: 52+20=72, Resulting Numbers: [28, 72] Generated Node #0,0,2: 19:[28, 72] Operation: 52+20=72 Exploring Operation: 52-20=32, Resulting Numbers: [28, 32] Generated Node #0,0,3: 19:[28, 32] Operation: 52-20=32 Exploring Operation: 52-28=24, Resulting Numbers: [20, 24] Generated Node #0,0,4: 19:[20, 24] Operation: 52-28=24 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 19:[20, 24], Operations: ['77-57=20', '52-28=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[28, 32], Operations: ['77-57=20', '52-20=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[52, 8], Operations: ['77-57=20', '28-20=8'] Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,19 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[20, 80], Operations: ['77-57=20', '52+28=80'] Exploring Operation: 20*80=1600, Resulting Numbers: [1600] 1600,19 unequal: No Solution Exploring Operation: 20+80=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[28, 72], Operations: ['77-57=20', '52+20=72'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 28*72=2016, Resulting Numbers: [2016] 2016,19 unequal: No Solution Exploring Operation: 28+72=100, Resulting Numbers: [100] 100,19 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: 19:[57, 28, 25], Operations: ['77-52=25'] Exploring Operation: 57+25=82, Resulting Numbers: [28, 82] Generated Node #0,4,0: 19:[28, 82] Operation: 57+25=82 Exploring Operation: 57-25=32, Resulting Numbers: [28, 32] Generated Node #0,4,1: 19:[28, 32] Operation: 57-25=32 Exploring Operation: 57-28=29, Resulting Numbers: [25, 29] Generated Node #0,4,2: 19:[25, 29] Operation: 57-28=29 Exploring Operation: 28-25=3, Resulting Numbers: [57, 3] Generated Node #0,4,3: 19:[57, 3] Operation: 28-25=3 Exploring Operation: 57+28=85, Resulting Numbers: [25, 85] Generated Node #0,4,4: 19:[25, 85] Operation: 57+28=85 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 19:[25, 29], Operations: ['77-52=25', '57-28=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,19 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,19 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 #0,4,1 Current State: 19:[28, 32], Operations: ['77-52=25', '57-25=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,19 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 #0,4,3 Current State: 19:[57, 3], Operations: ['77-52=25', '28-25=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[52, 57, 77, 28], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [57, 28, 25] Generated Node #0,4: 19:[57, 28, 25] Operation: 77-52=25 Moving to Node #0,4 Current State: 19:[57, 28, 25], Operations: ['77-52=25'] Exploring Operation: 28-25=3, Resulting Numbers: [57, 3] Generated Node #0,4,3: 19:[57, 3] Operation: 28-25=3 Moving to Node #0,4,3 Current State: 19:[57, 3], Operations: ['77-52=25', '28-25=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 98, 92, 86, 95 ]
97
[ "98+86=184", "184/92=2", "95+2=97" ]
Current State: 97:[98, 92, 86, 95], Operations: [] Exploring Operation: 98+86=184, Resulting Numbers: [92, 95, 184] Generated Node #2: [92, 95, 184] from Operation: 98+86=184 Current State: 97:[92, 95, 184], Operations: ['98+86=184'] Exploring Operation: 184/92=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 184/92=2 Current State: 97:[95, 2], Operations: ['98+86=184', '184/92=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[98, 92, 86, 95], Operations: [] Exploring Operation: 92+86=178, Resulting Numbers: [98, 95, 178] Generated Node #0,0: 97:[98, 95, 178] Operation: 92+86=178 Exploring Operation: 86+95=181, Resulting Numbers: [98, 92, 181] Generated Node #0,1: 97:[98, 92, 181] Operation: 86+95=181 Moving to Node #0,0 Current State: 97:[98, 95, 178], Operations: ['92+86=178'] Exploring Operation: 178-95=83, Resulting Numbers: [98, 83] Generated Node #0,0,0: 97:[98, 83] Operation: 178-95=83 Exploring Operation: 178-98=80, Resulting Numbers: [95, 80] Generated Node #0,0,1: 97:[95, 80] Operation: 178-98=80 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[98, 83], Operations: ['92+86=178', '178-95=83'] Exploring Operation: 98+83=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[95, 80], Operations: ['92+86=178', '178-98=80'] Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 95+80=175, Resulting Numbers: [175] 175,97 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: 97:[98, 92, 181], Operations: ['86+95=181'] Exploring Operation: 181-92=89, Resulting Numbers: [98, 89] Generated Node #0,1,0: 97:[98, 89] Operation: 181-92=89 Exploring Operation: 181-98=83, Resulting Numbers: [92, 83] Generated Node #0,1,1: 97:[92, 83] Operation: 181-98=83 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[98, 89], Operations: ['86+95=181', '181-92=89'] Exploring Operation: 98+89=187, Resulting Numbers: [187] 187,97 unequal: No Solution Exploring Operation: 98-89=9, Resulting Numbers: [9] 9,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[92, 83], Operations: ['86+95=181', '181-98=83'] Exploring Operation: 92+83=175, Resulting Numbers: [175] 175,97 unequal: No Solution Exploring Operation: 92-83=9, Resulting Numbers: [9] 9,97 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
[ 53, 47, 82, 88 ]
36
[ "53-47=6", "88-82=6", "6*6=36" ]
Current State: 36:[53, 47, 82, 88], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [82, 88, 6] Generated Node #2: [82, 88, 6] from Operation: 53-47=6 Current State: 36:[82, 88, 6], Operations: ['53-47=6'] Exploring Operation: 88-82=6, Resulting Numbers: [6, 6] Generated Node #3: [6, 6] from Operation: 88-82=6 Current State: 36:[6, 6], Operations: ['53-47=6', '88-82=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[53, 47, 82, 88], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [53, 47, 6] Generated Node #0,0: 36:[53, 47, 6] Operation: 88-82=6 Exploring Operation: 88-53=35, Resulting Numbers: [47, 82, 35] Generated Node #0,1: 36:[47, 82, 35] Operation: 88-53=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[53, 47, 6], Operations: ['88-82=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47, 47] Generated Node #0,0,0: 36:[47, 47] Operation: 53-6=47 Exploring Operation: 53-47=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 36:[6, 6] Operation: 53-47=6 Moving to Node #0,0,1 Current State: 36:[6, 6], Operations: ['88-82=6', '53-47=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[53, 47, 82, 88], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [53, 47, 6] Generated Node #0,0: 36:[53, 47, 6] Operation: 88-82=6 Moving to Node #0,0 Current State: 36:[53, 47, 6], Operations: ['88-82=6'] Exploring Operation: 53-47=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 36:[6, 6] Operation: 53-47=6 Moving to Node #0,0,1 Current State: 36:[6, 6], Operations: ['88-82=6', '53-47=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 8, 15, 2, 41 ]
87
[ "8+15=23", "2*23=46", "41+46=87" ]
Current State: 87:[8, 15, 2, 41], Operations: [] Exploring Operation: 8+15=23, Resulting Numbers: [2, 41, 23] Generated Node #2: [2, 41, 23] from Operation: 8+15=23 Current State: 87:[2, 41, 23], Operations: ['8+15=23'] Exploring Operation: 2*23=46, Resulting Numbers: [41, 46] Generated Node #3: [41, 46] from Operation: 2*23=46 Current State: 87:[41, 46], Operations: ['8+15=23', '2*23=46'] Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[8, 15, 2, 41], Operations: [] Exploring Operation: 8+15=23, Resulting Numbers: [2, 41, 23] Generated Node #0,0: 87:[2, 41, 23] Operation: 8+15=23 Exploring Operation: 15*2=30, Resulting Numbers: [8, 41, 30] Generated Node #0,1: 87:[8, 41, 30] Operation: 15*2=30 Exploring Operation: 15-8=7, Resulting Numbers: [2, 41, 7] Generated Node #0,2: 87:[2, 41, 7] Operation: 15-8=7 Exploring Operation: 41-15=26, Resulting Numbers: [8, 2, 26] Generated Node #0,3: 87:[8, 2, 26] Operation: 41-15=26 Exploring Operation: 41-8=33, Resulting Numbers: [15, 2, 33] Generated Node #0,4: 87:[15, 2, 33] Operation: 41-8=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[8, 2, 26], Operations: ['41-15=26'] Exploring Operation: 8/2=4, Resulting Numbers: [26, 4] Generated Node #0,3,0: 87:[26, 4] Operation: 8/2=4 Exploring Operation: 8+26=34, Resulting Numbers: [2, 34] Generated Node #0,3,1: 87:[2, 34] Operation: 8+26=34 Exploring Operation: 8+2=10, Resulting Numbers: [26, 10] Generated Node #0,3,2: 87:[26, 10] Operation: 8+2=10 Exploring Operation: 8-2=6, Resulting Numbers: [26, 6] Generated Node #0,3,3: 87:[26, 6] Operation: 8-2=6 Exploring Operation: 2+26=28, Resulting Numbers: [8, 28] Generated Node #0,3,4: 87:[8, 28] Operation: 2+26=28 Moving to Node #0,3,0 Current State: 87:[26, 4], Operations: ['41-15=26', '8/2=4'] Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[26, 6], Operations: ['41-15=26', '8-2=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[2, 34], Operations: ['41-15=26', '8+26=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,87 unequal: No Solution Moving to Node #0,3,4 Current State: 87:[8, 28], Operations: ['41-15=26', '2+26=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,87 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[26, 10], Operations: ['41-15=26', '8+2=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,87 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[2, 41, 7], Operations: ['15-8=7'] Exploring Operation: 2+41=43, Resulting Numbers: [7, 43] Generated Node #0,2,0: 87:[7, 43] Operation: 2+41=43 Exploring Operation: 7-2=5, Resulting Numbers: [41, 5] Generated Node #0,2,1: 87:[41, 5] Operation: 7-2=5 Exploring Operation: 41-7=34, Resulting Numbers: [2, 34] Generated Node #0,2,2: 87:[2, 34] Operation: 41-7=34 Exploring Operation: 2*41=82, Resulting Numbers: [7, 82] Generated Node #0,2,3: 87:[7, 82] Operation: 2*41=82 Exploring Operation: 41-2=39, Resulting Numbers: [7, 39] Generated Node #0,2,4: 87:[7, 39] Operation: 41-2=39 Moving to Node #0,2,2 Current State: 87:[2, 34], Operations: ['15-8=7', '41-7=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[7, 82], Operations: ['15-8=7', '2*41=82'] Exploring Operation: 7*82=574, Resulting Numbers: [574] 574,87 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,87 unequal: No Solution Exploring Operation: 7+82=89, Resulting Numbers: [89] 89,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[41, 5], Operations: ['15-8=7', '7-2=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,87 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,87 unequal: No Solution Moving to Node #0,2,4 Current State: 87:[7, 39], Operations: ['15-8=7', '41-2=39'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[7, 43], Operations: ['15-8=7', '2+41=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,87 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 87:[15, 2, 33], Operations: ['41-8=33'] Exploring Operation: 33-15=18, Resulting Numbers: [2, 18] Generated Node #0,4,0: 87:[2, 18] Operation: 33-15=18 Exploring Operation: 15-2=13, Resulting Numbers: [33, 13] Generated Node #0,4,1: 87:[33, 13] Operation: 15-2=13 Exploring Operation: 15+2=17, Resulting Numbers: [33, 17] Generated Node #0,4,2: 87:[33, 17] Operation: 15+2=17 Exploring Operation: 15*2=30, Resulting Numbers: [33, 30] Generated Node #0,4,3: 87:[33, 30] Operation: 15*2=30 Exploring Operation: 33-2=31, Resulting Numbers: [15, 31] Generated Node #0,4,4: 87:[15, 31] Operation: 33-2=31 Moving to Node #0,4,3 Current State: 87:[33, 30], Operations: ['41-8=33', '15*2=30'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,87 unequal: No Solution Moving to Node #0,4,0 Current State: 87:[2, 18], Operations: ['41-8=33', '33-15=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,87 unequal: No Solution Moving to Node #0,4,1 Current State: 87:[33, 13], Operations: ['41-8=33', '15-2=13'] Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,87 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,87 unequal: No Solution Moving to Node #0,4,4 Current State: 87:[15, 31], Operations: ['41-8=33', '33-2=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,87 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,87 unequal: No Solution Moving to Node #0,4,2 Current State: 87:[33, 17], Operations: ['41-8=33', '15+2=17'] Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,87 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[8, 41, 30], Operations: ['15*2=30'] Exploring Operation: 8+41=49, Resulting Numbers: [30, 49] Generated Node #0,1,0: 87:[30, 49] Operation: 8+41=49 Exploring Operation: 41-30=11, Resulting Numbers: [8, 11] Generated Node #0,1,1: 87:[8, 11] Operation: 41-30=11 Exploring Operation: 30-8=22, Resulting Numbers: [41, 22] Generated Node #0,1,2: 87:[41, 22] Operation: 30-8=22 Exploring Operation: 8+30=38, Resulting Numbers: [41, 38] Generated Node #0,1,3: 87:[41, 38] Operation: 8+30=38 Exploring Operation: 41-8=33, Resulting Numbers: [30, 33] Generated Node #0,1,4: 87:[30, 33] Operation: 41-8=33 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 87:[30, 33], Operations: ['15*2=30', '41-8=33'] Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,87 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[8, 11], Operations: ['15*2=30', '41-30=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 87:[41, 22], Operations: ['15*2=30', '30-8=22'] Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[30, 49], Operations: ['15*2=30', '8+41=49'] Exploring Operation: 30*49=1470, Resulting Numbers: [1470] 1470,87 unequal: No Solution Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,87 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 87:[41, 38], Operations: ['15*2=30', '8+30=38'] Exploring Operation: 41+38=79, Resulting Numbers: [79] 79,87 unequal: No Solution Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 41*38=1558, Resulting Numbers: [1558] 1558,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[2, 41, 23], Operations: ['8+15=23'] Exploring Operation: 41-2=39, Resulting Numbers: [23, 39] Generated Node #0,0,0: 87:[23, 39] Operation: 41-2=39 Exploring Operation: 2+23=25, Resulting Numbers: [41, 25] Generated Node #0,0,1: 87:[41, 25] Operation: 2+23=25 Exploring Operation: 2*41=82, Resulting Numbers: [23, 82] Generated Node #0,0,2: 87:[23, 82] Operation: 2*41=82 Exploring Operation: 2+41=43, Resulting Numbers: [23, 43] Generated Node #0,0,3: 87:[23, 43] Operation: 2+41=43 Exploring Operation: 41-23=18, Resulting Numbers: [2, 18] Generated Node #0,0,4: 87:[2, 18] Operation: 41-23=18 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[23, 82], Operations: ['8+15=23', '2*41=82'] Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,87 unequal: No Solution Exploring Operation: 23+82=105, Resulting Numbers: [105] 105,87 unequal: No Solution Exploring Operation: 23*82=1886, Resulting Numbers: [1886] 1886,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 87:[2, 18], Operations: ['8+15=23', '41-23=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[23, 39], Operations: ['8+15=23', '41-2=39'] Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,87 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[41, 25], Operations: ['8+15=23', '2+23=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 87:[23, 43], Operations: ['8+15=23', '2+41=43'] Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,87 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 58, 29, 8, 41 ]
66
[ "58/29=2", "41-8=33", "2*33=66" ]
Current State: 66:[58, 29, 8, 41], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [8, 41, 2] Generated Node #2: [8, 41, 2] from Operation: 58/29=2 Current State: 66:[8, 41, 2], Operations: ['58/29=2'] Exploring Operation: 41-8=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 41-8=33 Current State: 66:[2, 33], Operations: ['58/29=2', '41-8=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[58, 29, 8, 41], Operations: [] Exploring Operation: 58+8=66, Resulting Numbers: [29, 41, 66] Generated Node #0,0: 66:[29, 41, 66] Operation: 58+8=66 Exploring Operation: 41-29=12, Resulting Numbers: [58, 8, 12] Generated Node #0,1: 66:[58, 8, 12] Operation: 41-29=12 Exploring Operation: 58-41=17, Resulting Numbers: [29, 8, 17] Generated Node #0,2: 66:[29, 8, 17] Operation: 58-41=17 Exploring Operation: 58/29=2, Resulting Numbers: [8, 41, 2] Generated Node #0,3: 66:[8, 41, 2] Operation: 58/29=2 Moving to Node #0,3 Current State: 66:[8, 41, 2], Operations: ['58/29=2'] Exploring Operation: 8+2=10, Resulting Numbers: [41, 10] Generated Node #0,3,0: 66:[41, 10] Operation: 8+2=10 Exploring Operation: 41-8=33, Resulting Numbers: [2, 33] Generated Node #0,3,1: 66:[2, 33] Operation: 41-8=33 Exploring Operation: 8-2=6, Resulting Numbers: [41, 6] Generated Node #0,3,2: 66:[41, 6] Operation: 8-2=6 Exploring Operation: 41-2=39, Resulting Numbers: [8, 39] Generated Node #0,3,3: 66:[8, 39] Operation: 41-2=39 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 66:[2, 33], Operations: ['58/29=2', '41-8=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[58, 29, 8, 41], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [8, 41, 2] Generated Node #0,3: 66:[8, 41, 2] Operation: 58/29=2 Moving to Node #0,3 Current State: 66:[8, 41, 2], Operations: ['58/29=2'] Exploring Operation: 41-8=33, Resulting Numbers: [2, 33] Generated Node #0,3,1: 66:[2, 33] Operation: 41-8=33 Moving to Node #0,3,1 Current State: 66:[2, 33], Operations: ['58/29=2', '41-8=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 55, 59, 35, 70 ]
70
[ "59-55=4", "35*4=140", "140-70=70" ]
Current State: 70:[55, 59, 35, 70], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [35, 70, 4] Generated Node #2: [35, 70, 4] from Operation: 59-55=4 Current State: 70:[35, 70, 4], Operations: ['59-55=4'] Exploring Operation: 35*4=140, Resulting Numbers: [70, 140] Generated Node #3: [70, 140] from Operation: 35*4=140 Current State: 70:[70, 140], Operations: ['59-55=4', '35*4=140'] Exploring Operation: 140-70=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[55, 59, 35, 70], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [35, 70, 4] Generated Node #0,0: 70:[35, 70, 4] Operation: 59-55=4 Exploring Operation: 55-35=20, Resulting Numbers: [59, 70, 20] Generated Node #0,1: 70:[59, 70, 20] Operation: 55-35=20 Exploring Operation: 70-59=11, Resulting Numbers: [55, 35, 11] Generated Node #0,2: 70:[55, 35, 11] Operation: 70-59=11 Exploring Operation: 70-55=15, Resulting Numbers: [59, 35, 15] Generated Node #0,3: 70:[59, 35, 15] Operation: 70-55=15 Moving to Node #0,0 Current State: 70:[35, 70, 4], Operations: ['59-55=4'] Exploring Operation: 35+4=39, Resulting Numbers: [70, 39] Generated Node #0,0,0: 70:[70, 39] Operation: 35+4=39 Exploring Operation: 35-4=31, Resulting Numbers: [70, 31] Generated Node #0,0,1: 70:[70, 31] Operation: 35-4=31 Exploring Operation: 70/35=2, Resulting Numbers: [4, 2] Generated Node #0,0,2: 70:[4, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [4, 35] Generated Node #0,0,3: 70:[4, 35] Operation: 70-35=35 Moving to Node #0,3 Current State: 70:[59, 35, 15], Operations: ['70-55=15'] Exploring Operation: 59-15=44, Resulting Numbers: [35, 44] Generated Node #0,3,0: 70:[35, 44] Operation: 59-15=44 Exploring Operation: 59-35=24, Resulting Numbers: [15, 24] Generated Node #0,3,1: 70:[15, 24] Operation: 59-35=24 Exploring Operation: 59+15=74, Resulting Numbers: [35, 74] Generated Node #0,3,2: 70:[35, 74] Operation: 59+15=74 Exploring Operation: 35-15=20, Resulting Numbers: [59, 20] Generated Node #0,3,3: 70:[59, 20] Operation: 35-15=20 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[35, 74], Operations: ['70-55=15', '59+15=74'] Exploring Operation: 35*74=2590, Resulting Numbers: [2590] 2590,70 unequal: No Solution Exploring Operation: 35+74=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,70 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:[35, 44], Operations: ['70-55=15', '59-15=44'] Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,70 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,70 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 #0,3,1 Current State: 70:[15, 24], Operations: ['70-55=15', '59-35=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,70 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,70 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:[59, 20], Operations: ['70-55=15', '35-15=20'] Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 59*20=1180, Resulting Numbers: [1180] 1180,70 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: 70:[55, 35, 11], Operations: ['70-59=11'] Exploring Operation: 55/11=5, Resulting Numbers: [35, 5] Generated Node #0,2,0: 70:[35, 5] Operation: 55/11=5 Exploring Operation: 55-35=20, Resulting Numbers: [11, 20] Generated Node #0,2,1: 70:[11, 20] Operation: 55-35=20 Exploring Operation: 55+11=66, Resulting Numbers: [35, 66] Generated Node #0,2,2: 70:[35, 66] Operation: 55+11=66 Exploring Operation: 55-11=44, Resulting Numbers: [35, 44] Generated Node #0,2,3: 70:[35, 44] Operation: 55-11=44 Moving to Node #0,1 Current State: 70:[59, 70, 20], Operations: ['55-35=20'] Exploring Operation: 70-59=11, Resulting Numbers: [20, 11] Generated Node #0,1,0: 70:[20, 11] Operation: 70-59=11 Exploring Operation: 70-20=50, Resulting Numbers: [59, 50] Generated Node #0,1,1: 70:[59, 50] Operation: 70-20=50 Exploring Operation: 59+20=79, Resulting Numbers: [70, 79] Generated Node #0,1,2: 70:[70, 79] Operation: 59+20=79 Exploring Operation: 59-20=39, Resulting Numbers: [70, 39] Generated Node #0,1,3: 70:[70, 39] Operation: 59-20=39 Moving to Node #0,2,0 Current State: 70:[35, 5], Operations: ['70-59=11', '55/11=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[4, 2], Operations: ['59-55=4', '70/35=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[4, 35], Operations: ['59-55=4', '70-35=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[70, 39], Operations: ['59-55=4', '35+4=39'] Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[35, 66], Operations: ['70-59=11', '55+11=66'] Exploring Operation: 35+66=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 35*66=2310, Resulting Numbers: [2310] 2310,70 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[70, 31], Operations: ['59-55=4', '35-4=31'] Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[70, 39], Operations: ['55-35=20', '59-20=39'] Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[11, 20], Operations: ['70-59=11', '55-35=20'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[20, 11], Operations: ['55-35=20', '70-59=11'] Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,70 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[35, 44], Operations: ['70-59=11', '55-11=44'] Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,70 unequal: No Solution Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[70, 79], Operations: ['55-35=20', '59+20=79'] Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,70 unequal: No Solution Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,70 unequal: No Solution Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[59, 50], Operations: ['55-35=20', '70-20=50'] Exploring Operation: 59*50=2950, Resulting Numbers: [2950] 2950,70 unequal: No Solution Exploring Operation: 59-50=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 59+50=109, Resulting Numbers: [109] 109,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 52, 81, 61, 41 ]
50
[ "61-52=9", "81/9=9", "41+9=50" ]
Current State: 50:[52, 81, 61, 41], Operations: [] Exploring Operation: 61-52=9, Resulting Numbers: [81, 41, 9] Generated Node #2: [81, 41, 9] from Operation: 61-52=9 Current State: 50:[81, 41, 9], Operations: ['61-52=9'] Exploring Operation: 81/9=9, Resulting Numbers: [41, 9] Generated Node #3: [41, 9] from Operation: 81/9=9 Current State: 50:[41, 9], Operations: ['61-52=9', '81/9=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[52, 81, 61, 41], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [52, 41, 20] Generated Node #0,0: 50:[52, 41, 20] Operation: 81-61=20 Moving to Node #0,0 Current State: 50:[52, 41, 20], Operations: ['81-61=20'] Exploring Operation: 52-41=11, Resulting Numbers: [20, 11] Generated Node #0,0,0: 50:[20, 11] Operation: 52-41=11 Moving to Node #0,0,0 Current State: 50:[20, 11], Operations: ['81-61=20', '52-41=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 83, 57, 6 ]
18
[ "83-29=54", "57-54=3", "6*3=18" ]
Current State: 18:[29, 83, 57, 6], Operations: [] Exploring Operation: 83-29=54, Resulting Numbers: [57, 6, 54] Generated Node #2: [57, 6, 54] from Operation: 83-29=54 Current State: 18:[57, 6, 54], Operations: ['83-29=54'] Exploring Operation: 57-54=3, Resulting Numbers: [6, 3] Generated Node #3: [6, 3] from Operation: 57-54=3 Current State: 18:[6, 3], Operations: ['83-29=54', '57-54=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[29, 83, 57, 6], Operations: [] Exploring Operation: 83-29=54, Resulting Numbers: [57, 6, 54] Generated Node #0,0: 18:[57, 6, 54] Operation: 83-29=54 Exploring Operation: 57-29=28, Resulting Numbers: [83, 6, 28] Generated Node #0,1: 18:[83, 6, 28] Operation: 57-29=28 Exploring Operation: 83-57=26, Resulting Numbers: [29, 6, 26] Generated Node #0,2: 18:[29, 6, 26] Operation: 83-57=26 Moving to Node #0,2 Current State: 18:[29, 6, 26], Operations: ['83-57=26'] Exploring Operation: 29-6=23, Resulting Numbers: [26, 23] Generated Node #0,2,0: 18:[26, 23] Operation: 29-6=23 Exploring Operation: 26-6=20, Resulting Numbers: [29, 20] Generated Node #0,2,1: 18:[29, 20] Operation: 26-6=20 Exploring Operation: 29-26=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 18:[6, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 18:[57, 6, 54], Operations: ['83-29=54'] Exploring Operation: 57-6=51, Resulting Numbers: [54, 51] Generated Node #0,0,0: 18:[54, 51] Operation: 57-6=51 Exploring Operation: 57-54=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 18:[6, 3] Operation: 57-54=3 Exploring Operation: 54/6=9, Resulting Numbers: [57, 9] Generated Node #0,0,2: 18:[57, 9] Operation: 54/6=9 Moving to Node #0,1 Current State: 18:[83, 6, 28], Operations: ['57-29=28'] Exploring Operation: 28-6=22, Resulting Numbers: [83, 22] Generated Node #0,1,0: 18:[83, 22] Operation: 28-6=22 Exploring Operation: 83-28=55, Resulting Numbers: [6, 55] Generated Node #0,1,1: 18:[6, 55] Operation: 83-28=55 Exploring Operation: 83-6=77, Resulting Numbers: [28, 77] Generated Node #0,1,2: 18:[28, 77] Operation: 83-6=77 Moving to Node #0,2,2 Current State: 18:[6, 3], Operations: ['83-57=26', '29-26=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[29, 83, 57, 6], Operations: [] Exploring Operation: 83-57=26, Resulting Numbers: [29, 6, 26] Generated Node #0,2: 18:[29, 6, 26] Operation: 83-57=26 Moving to Node #0,2 Current State: 18:[29, 6, 26], Operations: ['83-57=26'] Exploring Operation: 29-26=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 18:[6, 3] Operation: 29-26=3 Moving to Node #0,2,2 Current State: 18:[6, 3], Operations: ['83-57=26', '29-26=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 82, 67, 78, 16 ]
71
[ "82-78=4", "16/4=4", "67+4=71" ]
Current State: 71:[82, 67, 78, 16], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [67, 16, 4] Generated Node #2: [67, 16, 4] from Operation: 82-78=4 Current State: 71:[67, 16, 4], Operations: ['82-78=4'] Exploring Operation: 16/4=4, Resulting Numbers: [67, 4] Generated Node #3: [67, 4] from Operation: 16/4=4 Current State: 71:[67, 4], Operations: ['82-78=4', '16/4=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[82, 67, 78, 16], Operations: [] Exploring Operation: 82+16=98, Resulting Numbers: [67, 78, 98] Generated Node #0,0: 71:[67, 78, 98] Operation: 82+16=98 Exploring Operation: 67-16=51, Resulting Numbers: [82, 78, 51] Generated Node #0,1: 71:[82, 78, 51] Operation: 67-16=51 Exploring Operation: 82-16=66, Resulting Numbers: [67, 78, 66] Generated Node #0,2: 71:[67, 78, 66] Operation: 82-16=66 Exploring Operation: 78-16=62, Resulting Numbers: [82, 67, 62] Generated Node #0,3: 71:[82, 67, 62] Operation: 78-16=62 Exploring Operation: 67+16=83, Resulting Numbers: [82, 78, 83] Generated Node #0,4: 71:[82, 78, 83] Operation: 67+16=83 Moving to Node #0,2 Current State: 71:[67, 78, 66], Operations: ['82-16=66'] Exploring Operation: 78+66=144, Resulting Numbers: [67, 144] Generated Node #0,2,0: 71:[67, 144] Operation: 78+66=144 Exploring Operation: 67-66=1, Resulting Numbers: [78, 1] Generated Node #0,2,1: 71:[78, 1] Operation: 67-66=1 Exploring Operation: 67+66=133, Resulting Numbers: [78, 133] Generated Node #0,2,2: 71:[78, 133] Operation: 67+66=133 Exploring Operation: 78-66=12, Resulting Numbers: [67, 12] Generated Node #0,2,3: 71:[67, 12] Operation: 78-66=12 Exploring Operation: 78-67=11, Resulting Numbers: [66, 11] Generated Node #0,2,4: 71:[66, 11] Operation: 78-67=11 Moving to Node #0,3 Current State: 71:[82, 67, 62], Operations: ['78-16=62'] Exploring Operation: 67-62=5, Resulting Numbers: [82, 5] Generated Node #0,3,0: 71:[82, 5] Operation: 67-62=5 Exploring Operation: 82+62=144, Resulting Numbers: [67, 144] Generated Node #0,3,1: 71:[67, 144] Operation: 82+62=144 Exploring Operation: 82-67=15, Resulting Numbers: [62, 15] Generated Node #0,3,2: 71:[62, 15] Operation: 82-67=15 Exploring Operation: 82-62=20, Resulting Numbers: [67, 20] Generated Node #0,3,3: 71:[67, 20] Operation: 82-62=20 Exploring Operation: 67+62=129, Resulting Numbers: [82, 129] Generated Node #0,3,4: 71:[82, 129] Operation: 67+62=129 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[67, 20], Operations: ['78-16=62', '82-62=20'] Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,71 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[62, 15], Operations: ['78-16=62', '82-67=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,71 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[82, 129], Operations: ['78-16=62', '67+62=129'] Exploring Operation: 82+129=211, Resulting Numbers: [211] 211,71 unequal: No Solution Exploring Operation: 82*129=10578, Resulting Numbers: [10578] 10578,71 unequal: No Solution Exploring Operation: 129-82=47, Resulting Numbers: [47] 47,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[82, 5], Operations: ['78-16=62', '67-62=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[67, 144], Operations: ['78-16=62', '82+62=144'] Exploring Operation: 144-67=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 67+144=211, Resulting Numbers: [211] 211,71 unequal: No Solution Exploring Operation: 67*144=9648, Resulting Numbers: [9648] 9648,71 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: 71:[82, 78, 83], Operations: ['67+16=83'] Exploring Operation: 82-78=4, Resulting Numbers: [83, 4] Generated Node #0,4,0: 71:[83, 4] Operation: 82-78=4 Exploring Operation: 82+83=165, Resulting Numbers: [78, 165] Generated Node #0,4,1: 71:[78, 165] Operation: 82+83=165 Exploring Operation: 83-78=5, Resulting Numbers: [82, 5] Generated Node #0,4,2: 71:[82, 5] Operation: 83-78=5 Exploring Operation: 82+78=160, Resulting Numbers: [83, 160] Generated Node #0,4,3: 71:[83, 160] Operation: 82+78=160 Exploring Operation: 83-82=1, Resulting Numbers: [78, 1] Generated Node #0,4,4: 71:[78, 1] Operation: 83-82=1 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[82, 5], Operations: ['67+16=83', '83-78=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,71 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[78, 1], Operations: ['67+16=83', '83-82=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,71 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[83, 4], Operations: ['67+16=83', '82-78=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,71 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[78, 165], Operations: ['67+16=83', '82+83=165'] Exploring Operation: 78*165=12870, Resulting Numbers: [12870] 12870,71 unequal: No Solution Exploring Operation: 78+165=243, Resulting Numbers: [243] 243,71 unequal: No Solution Exploring Operation: 165-78=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[83, 160], Operations: ['67+16=83', '82+78=160'] Exploring Operation: 83*160=13280, Resulting Numbers: [13280] 13280,71 unequal: No Solution Exploring Operation: 83+160=243, Resulting Numbers: [243] 243,71 unequal: No Solution Exploring Operation: 160-83=77, Resulting Numbers: [77] 77,71 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: 71:[67, 78, 98], Operations: ['82+16=98'] Exploring Operation: 98-78=20, Resulting Numbers: [67, 20] Generated Node #0,0,0: 71:[67, 20] Operation: 98-78=20 Exploring Operation: 67+78=145, Resulting Numbers: [98, 145] Generated Node #0,0,1: 71:[98, 145] Operation: 67+78=145 Exploring Operation: 98-67=31, Resulting Numbers: [78, 31] Generated Node #0,0,2: 71:[78, 31] Operation: 98-67=31 Exploring Operation: 67+98=165, Resulting Numbers: [78, 165] Generated Node #0,0,3: 71:[78, 165] Operation: 67+98=165 Exploring Operation: 78-67=11, Resulting Numbers: [98, 11] Generated Node #0,0,4: 71:[98, 11] Operation: 78-67=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[78, 31], Operations: ['82+16=98', '98-67=31'] Exploring Operation: 78+31=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 78*31=2418, Resulting Numbers: [2418] 2418,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[67, 20], Operations: ['82+16=98', '98-78=20'] Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[98, 11], Operations: ['82+16=98', '78-67=11'] Exploring Operation: 98+11=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 98*11=1078, Resulting Numbers: [1078] 1078,71 unequal: No Solution Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[98, 145], Operations: ['82+16=98', '67+78=145'] Exploring Operation: 145-98=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 98*145=14210, Resulting Numbers: [14210] 14210,71 unequal: No Solution Exploring Operation: 98+145=243, Resulting Numbers: [243] 243,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[78, 165], Operations: ['82+16=98', '67+98=165'] Exploring Operation: 78*165=12870, Resulting Numbers: [12870] 12870,71 unequal: No Solution Exploring Operation: 165-78=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 78+165=243, Resulting Numbers: [243] 243,71 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: 71:[82, 78, 51], Operations: ['67-16=51'] Exploring Operation: 78+51=129, Resulting Numbers: [82, 129] Generated Node #0,1,0: 71:[82, 129] Operation: 78+51=129 Exploring Operation: 82+51=133, Resulting Numbers: [78, 133] Generated Node #0,1,1: 71:[78, 133] Operation: 82+51=133 Exploring Operation: 78-51=27, Resulting Numbers: [82, 27] Generated Node #0,1,2: 71:[82, 27] Operation: 78-51=27 Exploring Operation: 82-51=31, Resulting Numbers: [78, 31] Generated Node #0,1,3: 71:[78, 31] Operation: 82-51=31 Exploring Operation: 82-78=4, Resulting Numbers: [51, 4] Generated Node #0,1,4: 71:[51, 4] Operation: 82-78=4 Moving to Node #0,1,3 Current State: 71:[78, 31], Operations: ['67-16=51', '82-51=31'] Exploring Operation: 78+31=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 78*31=2418, Resulting Numbers: [2418] 2418,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[82, 27], Operations: ['67-16=51', '78-51=27'] Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,71 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[67, 12], Operations: ['82-16=66', '78-66=12'] Exploring Operation: 67*12=804, Resulting Numbers: [804] 804,71 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[66, 11], Operations: ['82-16=66', '78-67=11'] Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 66*11=726, Resulting Numbers: [726] 726,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[78, 133], Operations: ['82-16=66', '67+66=133'] Exploring Operation: 78+133=211, Resulting Numbers: [211] 211,71 unequal: No Solution Exploring Operation: 133-78=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 78*133=10374, Resulting Numbers: [10374] 10374,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[78, 133], Operations: ['67-16=51', '82+51=133'] Exploring Operation: 133-78=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 78+133=211, Resulting Numbers: [211] 211,71 unequal: No Solution Exploring Operation: 78*133=10374, Resulting Numbers: [10374] 10374,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[82, 129], Operations: ['67-16=51', '78+51=129'] Exploring Operation: 82*129=10578, Resulting Numbers: [10578] 10578,71 unequal: No Solution Exploring Operation: 129-82=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 82+129=211, Resulting Numbers: [211] 211,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[67, 144], Operations: ['82-16=66', '78+66=144'] Exploring Operation: 144-67=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 67+144=211, Resulting Numbers: [211] 211,71 unequal: No Solution Exploring Operation: 67*144=9648, Resulting Numbers: [9648] 9648,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[78, 1], Operations: ['82-16=66', '67-66=1'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,71 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,71 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[51, 4], Operations: ['67-16=51', '82-78=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 89, 75, 69, 25 ]
19
[ "89+25=114", "75-69=6", "114/6=19" ]
Current State: 19:[89, 75, 69, 25], Operations: [] Exploring Operation: 89+25=114, Resulting Numbers: [75, 69, 114] Generated Node #2: [75, 69, 114] from Operation: 89+25=114 Current State: 19:[75, 69, 114], Operations: ['89+25=114'] Exploring Operation: 75-69=6, Resulting Numbers: [114, 6] Generated Node #3: [114, 6] from Operation: 75-69=6 Current State: 19:[114, 6], Operations: ['89+25=114', '75-69=6'] Exploring Operation: 114/6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[89, 75, 69, 25], Operations: [] Exploring Operation: 89-69=20, Resulting Numbers: [75, 25, 20] Generated Node #0,0: 19:[75, 25, 20] Operation: 89-69=20 Exploring Operation: 75-69=6, Resulting Numbers: [89, 25, 6] Generated Node #0,1: 19:[89, 25, 6] Operation: 75-69=6 Exploring Operation: 89-75=14, Resulting Numbers: [69, 25, 14] Generated Node #0,2: 19:[69, 25, 14] Operation: 89-75=14 Moving to Node #0,2 Current State: 19:[69, 25, 14], Operations: ['89-75=14'] Exploring Operation: 25-14=11, Resulting Numbers: [69, 11] Generated Node #0,2,0: 19:[69, 11] Operation: 25-14=11 Exploring Operation: 69-14=55, Resulting Numbers: [25, 55] Generated Node #0,2,1: 19:[25, 55] Operation: 69-14=55 Exploring Operation: 69-25=44, Resulting Numbers: [14, 44] Generated Node #0,2,2: 19:[14, 44] Operation: 69-25=44 Moving to Node #0,0 Current State: 19:[75, 25, 20], Operations: ['89-69=20'] Exploring Operation: 75-25=50, Resulting Numbers: [20, 50] Generated Node #0,0,0: 19:[20, 50] Operation: 75-25=50 Exploring Operation: 75-20=55, Resulting Numbers: [25, 55] Generated Node #0,0,1: 19:[25, 55] Operation: 75-20=55 Exploring Operation: 75/25=3, Resulting Numbers: [20, 3] Generated Node #0,0,2: 19:[20, 3] Operation: 75/25=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[20, 3], Operations: ['89-69=20', '75/25=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[20, 50], Operations: ['89-69=20', '75-25=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,19 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[25, 55], Operations: ['89-69=20', '75-20=55'] Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,19 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[89, 25, 6], Operations: ['75-69=6'] Exploring Operation: 89-25=64, Resulting Numbers: [6, 64] Generated Node #0,1,0: 19:[6, 64] Operation: 89-25=64 Exploring Operation: 89-6=83, Resulting Numbers: [25, 83] Generated Node #0,1,1: 19:[25, 83] Operation: 89-6=83 Exploring Operation: 25-6=19, Resulting Numbers: [89, 19] Generated Node #0,1,2: 19:[89, 19] Operation: 25-6=19 Moving to Node #0,2,2 Current State: 19:[14, 44], Operations: ['89-75=14', '69-25=44'] Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,19 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[25, 55], Operations: ['89-75=14', '69-14=55'] Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[69, 11], Operations: ['89-75=14', '25-14=11'] Exploring Operation: 69*11=759, Resulting Numbers: [759] 759,19 unequal: No Solution Exploring Operation: 69-11=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 69+11=80, Resulting Numbers: [80] 80,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[6, 64], Operations: ['75-69=6', '89-25=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[89, 19], Operations: ['75-69=6', '25-6=19'] Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,19 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[25, 83], Operations: ['75-69=6', '89-6=83'] Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 85, 32, 6, 94 ]
13
[ "85*6=510", "510-94=416", "416/32=13" ]
Current State: 13:[85, 32, 6, 94], Operations: [] Exploring Operation: 85*6=510, Resulting Numbers: [32, 94, 510] Generated Node #2: [32, 94, 510] from Operation: 85*6=510 Current State: 13:[32, 94, 510], Operations: ['85*6=510'] Exploring Operation: 510-94=416, Resulting Numbers: [32, 416] Generated Node #3: [32, 416] from Operation: 510-94=416 Current State: 13:[32, 416], Operations: ['85*6=510', '510-94=416'] Exploring Operation: 416/32=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[85, 32, 6, 94], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [32, 6, 9] Generated Node #0,0: 13:[32, 6, 9] Operation: 94-85=9 Moving to Node #0,0 Current State: 13:[32, 6, 9], Operations: ['94-85=9'] Exploring Operation: 32-6=26, Resulting Numbers: [9, 26] Generated Node #0,0,0: 13:[9, 26] Operation: 32-6=26 Moving to Node #0,0,0 Current State: 13:[9, 26], Operations: ['94-85=9', '32-6=26'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,13 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 76, 24, 7, 39 ]
91
[ "76-24=52", "52-39=13", "7*13=91" ]
Current State: 91:[76, 24, 7, 39], Operations: [] Exploring Operation: 76-24=52, Resulting Numbers: [7, 39, 52] Generated Node #2: [7, 39, 52] from Operation: 76-24=52 Current State: 91:[7, 39, 52], Operations: ['76-24=52'] Exploring Operation: 52-39=13, Resulting Numbers: [7, 13] Generated Node #3: [7, 13] from Operation: 52-39=13 Current State: 91:[7, 13], Operations: ['76-24=52', '52-39=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[76, 24, 7, 39], Operations: [] Exploring Operation: 39-24=15, Resulting Numbers: [76, 7, 15] Generated Node #0,0: 91:[76, 7, 15] Operation: 39-24=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[76, 7, 15], Operations: ['39-24=15'] Exploring Operation: 76+15=91, Resulting Numbers: [7, 91] Generated Node #0,0,0: 91:[7, 91] Operation: 76+15=91 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[7, 91], Operations: ['39-24=15', '76+15=91'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,91 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
[ 5, 91, 95, 48 ]
48
[ "5+91=96", "96-95=1", "48*1=48" ]
Current State: 48:[5, 91, 95, 48], Operations: [] Exploring Operation: 5+91=96, Resulting Numbers: [95, 48, 96] Generated Node #2: [95, 48, 96] from Operation: 5+91=96 Current State: 48:[95, 48, 96], Operations: ['5+91=96'] Exploring Operation: 96-95=1, Resulting Numbers: [48, 1] Generated Node #3: [48, 1] from Operation: 96-95=1 Current State: 48:[48, 1], Operations: ['5+91=96', '96-95=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[5, 91, 95, 48], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [5, 48, 4] Generated Node #0,0: 48:[5, 48, 4] Operation: 95-91=4 Moving to Node #0,0 Current State: 48:[5, 48, 4], Operations: ['95-91=4'] Exploring Operation: 5+4=9, Resulting Numbers: [48, 9] Generated Node #0,0,0: 48:[48, 9] Operation: 5+4=9 Moving to Node #0,0,0 Current State: 48:[48, 9], Operations: ['95-91=4', '5+4=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,48 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 6, 19, 44, 83 ]
67
[ "44-19=25", "6*25=150", "150-83=67" ]
Current State: 67:[6, 19, 44, 83], Operations: [] Exploring Operation: 44-19=25, Resulting Numbers: [6, 83, 25] Generated Node #2: [6, 83, 25] from Operation: 44-19=25 Current State: 67:[6, 83, 25], Operations: ['44-19=25'] Exploring Operation: 6*25=150, Resulting Numbers: [83, 150] Generated Node #3: [83, 150] from Operation: 6*25=150 Current State: 67:[83, 150], Operations: ['44-19=25', '6*25=150'] Exploring Operation: 150-83=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[6, 19, 44, 83], Operations: [] Exploring Operation: 6+19=25, Resulting Numbers: [44, 83, 25] Generated Node #0,0: 67:[44, 83, 25] Operation: 6+19=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[44, 83, 25], Operations: ['6+19=25'] Exploring Operation: 44+25=69, Resulting Numbers: [83, 69] Generated Node #0,0,0: 67:[83, 69] Operation: 44+25=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[83, 69], Operations: ['6+19=25', '44+25=69'] Exploring Operation: 83-69=14, Resulting Numbers: [14] 14,67 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
[ 96, 36, 12, 21 ]
16
[ "96-36=60", "60/12=5", "21-5=16" ]
Current State: 16:[96, 36, 12, 21], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [12, 21, 60] Generated Node #2: [12, 21, 60] from Operation: 96-36=60 Current State: 16:[12, 21, 60], Operations: ['96-36=60'] Exploring Operation: 60/12=5, Resulting Numbers: [21, 5] Generated Node #3: [21, 5] from Operation: 60/12=5 Current State: 16:[21, 5], Operations: ['96-36=60', '60/12=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[96, 36, 12, 21], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [12, 21, 60] Generated Node #0,0: 16:[12, 21, 60] Operation: 96-36=60 Exploring Operation: 96/12=8, Resulting Numbers: [36, 21, 8] Generated Node #0,1: 16:[36, 21, 8] Operation: 96/12=8 Exploring Operation: 96-21=75, Resulting Numbers: [36, 12, 75] Generated Node #0,2: 16:[36, 12, 75] Operation: 96-21=75 Moving to Node #0,1 Current State: 16:[36, 21, 8], Operations: ['96/12=8'] Exploring Operation: 36-8=28, Resulting Numbers: [21, 28] Generated Node #0,1,0: 16:[21, 28] Operation: 36-8=28 Exploring Operation: 36-21=15, Resulting Numbers: [8, 15] Generated Node #0,1,1: 16:[8, 15] Operation: 36-21=15 Exploring Operation: 21-8=13, Resulting Numbers: [36, 13] Generated Node #0,1,2: 16:[36, 13] Operation: 21-8=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[8, 15], Operations: ['96/12=8', '36-21=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,16 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[21, 28], Operations: ['96/12=8', '36-8=28'] Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,16 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[36, 13], Operations: ['96/12=8', '21-8=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,16 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,16 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: 16:[12, 21, 60], Operations: ['96-36=60'] Exploring Operation: 60-21=39, Resulting Numbers: [12, 39] Generated Node #0,0,0: 16:[12, 39] Operation: 60-21=39 Exploring Operation: 60/12=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 16:[21, 5] Operation: 60/12=5 Exploring Operation: 60-12=48, Resulting Numbers: [21, 48] Generated Node #0,0,2: 16:[21, 48] Operation: 60-12=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[21, 5], Operations: ['96-36=60', '60/12=5'] Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[96, 36, 12, 21], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [12, 21, 60] Generated Node #0,0: 16:[12, 21, 60] Operation: 96-36=60 Moving to Node #0,0 Current State: 16:[12, 21, 60], Operations: ['96-36=60'] Exploring Operation: 60/12=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 16:[21, 5] Operation: 60/12=5 Moving to Node #0,0,1 Current State: 16:[21, 5], Operations: ['96-36=60', '60/12=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 35, 28, 74, 22 ]
65
[ "74-22=52", "35*52=1820", "1820/28=65" ]
Current State: 65:[35, 28, 74, 22], Operations: [] Exploring Operation: 74-22=52, Resulting Numbers: [35, 28, 52] Generated Node #2: [35, 28, 52] from Operation: 74-22=52 Current State: 65:[35, 28, 52], Operations: ['74-22=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [28, 1820] Generated Node #3: [28, 1820] from Operation: 35*52=1820 Current State: 65:[28, 1820], Operations: ['74-22=52', '35*52=1820'] Exploring Operation: 1820/28=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[35, 28, 74, 22], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [74, 22, 7] Generated Node #0,0: 65:[74, 22, 7] Operation: 35-28=7 Exploring Operation: 35-22=13, Resulting Numbers: [28, 74, 13] Generated Node #0,1: 65:[28, 74, 13] Operation: 35-22=13 Exploring Operation: 35+28=63, Resulting Numbers: [74, 22, 63] Generated Node #0,2: 65:[74, 22, 63] Operation: 35+28=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[74, 22, 7], Operations: ['35-28=7'] Exploring Operation: 74-7=67, Resulting Numbers: [22, 67] Generated Node #0,0,0: 65:[22, 67] Operation: 74-7=67 Exploring Operation: 22-7=15, Resulting Numbers: [74, 15] Generated Node #0,0,1: 65:[74, 15] Operation: 22-7=15 Exploring Operation: 74-22=52, Resulting Numbers: [7, 52] Generated Node #0,0,2: 65:[7, 52] Operation: 74-22=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[22, 67], Operations: ['35-28=7', '74-7=67'] Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 22+67=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 22*67=1474, Resulting Numbers: [1474] 1474,65 unequal: No Solution No 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: 65:[74, 15], Operations: ['35-28=7', '22-7=15'] Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,65 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,65 unequal: No Solution No 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: 65:[7, 52], Operations: ['35-28=7', '74-22=52'] Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,65 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: 65:[74, 22, 63], Operations: ['35+28=63'] Exploring Operation: 74-22=52, Resulting Numbers: [63, 52] Generated Node #0,2,0: 65:[63, 52] Operation: 74-22=52 Exploring Operation: 22+63=85, Resulting Numbers: [74, 85] Generated Node #0,2,1: 65:[74, 85] Operation: 22+63=85 Exploring Operation: 74-63=11, Resulting Numbers: [22, 11] Generated Node #0,2,2: 65:[22, 11] Operation: 74-63=11 Moving to Node #0,2,2 Current State: 65:[22, 11], Operations: ['35+28=63', '74-63=11'] Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[63, 52], Operations: ['35+28=63', '74-22=52'] Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 63+52=115, Resulting Numbers: [115] 115,65 unequal: No Solution Exploring Operation: 63*52=3276, Resulting Numbers: [3276] 3276,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[74, 85], Operations: ['35+28=63', '22+63=85'] Exploring Operation: 74+85=159, Resulting Numbers: [159] 159,65 unequal: No Solution Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 74*85=6290, Resulting Numbers: [6290] 6290,65 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 #0,1 Current State: 65:[28, 74, 13], Operations: ['35-22=13'] Exploring Operation: 28-13=15, Resulting Numbers: [74, 15] Generated Node #0,1,0: 65:[74, 15] Operation: 28-13=15 Exploring Operation: 74-28=46, Resulting Numbers: [13, 46] Generated Node #0,1,1: 65:[13, 46] Operation: 74-28=46 Exploring Operation: 74-13=61, Resulting Numbers: [28, 61] Generated Node #0,1,2: 65:[28, 61] Operation: 74-13=61 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[74, 15], Operations: ['35-22=13', '28-13=15'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,65 unequal: No Solution No 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: 65:[13, 46], Operations: ['35-22=13', '74-28=46'] Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,65 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,65 unequal: No Solution No 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: 65:[28, 61], Operations: ['35-22=13', '74-13=61'] Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,65 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,65 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
[ 23, 55, 5, 2 ]
34
[ "23+55=78", "78/2=39", "39-5=34" ]
Current State: 34:[23, 55, 5, 2], Operations: [] Exploring Operation: 23+55=78, Resulting Numbers: [5, 2, 78] Generated Node #2: [5, 2, 78] from Operation: 23+55=78 Current State: 34:[5, 2, 78], Operations: ['23+55=78'] Exploring Operation: 78/2=39, Resulting Numbers: [5, 39] Generated Node #3: [5, 39] from Operation: 78/2=39 Current State: 34:[5, 39], Operations: ['23+55=78', '78/2=39'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[23, 55, 5, 2], Operations: [] Exploring Operation: 55-23=32, Resulting Numbers: [5, 2, 32] Generated Node #0,0: 34:[5, 2, 32] Operation: 55-23=32 Exploring Operation: 55/5=11, Resulting Numbers: [23, 2, 11] Generated Node #0,1: 34:[23, 2, 11] Operation: 55/5=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[5, 2, 32], Operations: ['55-23=32'] Exploring Operation: 5-2=3, Resulting Numbers: [32, 3] Generated Node #0,0,0: 34:[32, 3] Operation: 5-2=3 Exploring Operation: 5+32=37, Resulting Numbers: [2, 37] Generated Node #0,0,1: 34:[2, 37] Operation: 5+32=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[32, 3], Operations: ['55-23=32', '5-2=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,34 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:[2, 37], Operations: ['55-23=32', '5+32=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[23, 2, 11], Operations: ['55/5=11'] Exploring Operation: 23-11=12, Resulting Numbers: [2, 12] Generated Node #0,1,0: 34:[2, 12] Operation: 23-11=12 Exploring Operation: 23+11=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 34:[2, 34] Operation: 23+11=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[2, 34], Operations: ['55/5=11', '23+11=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,34 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:[2, 12], Operations: ['55/5=11', '23-11=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,34 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
[ 54, 49, 4, 47 ]
95
[ "54+47=101", "49*4=196", "196-101=95" ]
Current State: 95:[54, 49, 4, 47], Operations: [] Exploring Operation: 54+47=101, Resulting Numbers: [49, 4, 101] Generated Node #2: [49, 4, 101] from Operation: 54+47=101 Current State: 95:[49, 4, 101], Operations: ['54+47=101'] Exploring Operation: 49*4=196, Resulting Numbers: [101, 196] Generated Node #3: [101, 196] from Operation: 49*4=196 Current State: 95:[101, 196], Operations: ['54+47=101', '49*4=196'] Exploring Operation: 196-101=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[54, 49, 4, 47], Operations: [] Exploring Operation: 54-47=7, Resulting Numbers: [49, 4, 7] Generated Node #0,0: 95:[49, 4, 7] Operation: 54-47=7 Exploring Operation: 54+49=103, Resulting Numbers: [4, 47, 103] Generated Node #0,1: 95:[4, 47, 103] Operation: 54+49=103 Exploring Operation: 49+47=96, Resulting Numbers: [54, 4, 96] Generated Node #0,2: 95:[54, 4, 96] Operation: 49+47=96 Exploring Operation: 54-49=5, Resulting Numbers: [4, 47, 5] Generated Node #0,3: 95:[4, 47, 5] Operation: 54-49=5 Exploring Operation: 54+47=101, Resulting Numbers: [49, 4, 101] Generated Node #0,4: 95:[49, 4, 101] Operation: 54+47=101 Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[4, 47, 5], Operations: ['54-49=5'] Exploring Operation: 47-5=42, Resulting Numbers: [4, 42] Generated Node #0,3,0: 95:[4, 42] Operation: 47-5=42 Exploring Operation: 4*5=20, Resulting Numbers: [47, 20] Generated Node #0,3,1: 95:[47, 20] Operation: 4*5=20 Exploring Operation: 4+47=51, Resulting Numbers: [5, 51] Generated Node #0,3,2: 95:[5, 51] Operation: 4+47=51 Exploring Operation: 47-4=43, Resulting Numbers: [5, 43] Generated Node #0,3,3: 95:[5, 43] Operation: 47-4=43 Exploring Operation: 4+5=9, Resulting Numbers: [47, 9] Generated Node #0,3,4: 95:[47, 9] Operation: 4+5=9 Moving to Node #0,3,0 Current State: 95:[4, 42], Operations: ['54-49=5', '47-5=42'] Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,95 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,95 unequal: No Solution Moving to Node #0,3,3 Current State: 95:[5, 43], Operations: ['54-49=5', '47-4=43'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,95 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,95 unequal: No Solution Moving to Node #0,3,1 Current State: 95:[47, 20], Operations: ['54-49=5', '4*5=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,95 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,95 unequal: No Solution Moving to Node #0,3,2 Current State: 95:[5, 51], Operations: ['54-49=5', '4+47=51'] Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,95 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,95 unequal: No Solution Moving to Node #0,3,4 Current State: 95:[47, 9], Operations: ['54-49=5', '4+5=9'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,95 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[49, 4, 7], Operations: ['54-47=7'] Exploring Operation: 49+4=53, Resulting Numbers: [7, 53] Generated Node #0,0,0: 95:[7, 53] Operation: 49+4=53 Exploring Operation: 7-4=3, Resulting Numbers: [49, 3] Generated Node #0,0,1: 95:[49, 3] Operation: 7-4=3 Exploring Operation: 49-4=45, Resulting Numbers: [7, 45] Generated Node #0,0,2: 95:[7, 45] Operation: 49-4=45 Exploring Operation: 49-7=42, Resulting Numbers: [4, 42] Generated Node #0,0,3: 95:[4, 42] Operation: 49-7=42 Exploring Operation: 49/7=7, Resulting Numbers: [4, 7] Generated Node #0,0,4: 95:[4, 7] Operation: 49/7=7 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 95:[4, 7], Operations: ['54-47=7', '49/7=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 95:[4, 42], Operations: ['54-47=7', '49-7=42'] Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,95 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[7, 45], Operations: ['54-47=7', '49-4=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,95 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[49, 3], Operations: ['54-47=7', '7-4=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,95 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[7, 53], Operations: ['54-47=7', '49+4=53'] Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,95 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[4, 47, 103], Operations: ['54+49=103'] Exploring Operation: 103-4=99, Resulting Numbers: [47, 99] Generated Node #0,1,0: 95:[47, 99] Operation: 103-4=99 Exploring Operation: 4+47=51, Resulting Numbers: [103, 51] Generated Node #0,1,1: 95:[103, 51] Operation: 4+47=51 Exploring Operation: 4+103=107, Resulting Numbers: [47, 107] Generated Node #0,1,2: 95:[47, 107] Operation: 4+103=107 Exploring Operation: 103-47=56, Resulting Numbers: [4, 56] Generated Node #0,1,3: 95:[4, 56] Operation: 103-47=56 Exploring Operation: 47-4=43, Resulting Numbers: [103, 43] Generated Node #0,1,4: 95:[103, 43] Operation: 47-4=43 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[47, 99], Operations: ['54+49=103', '103-4=99'] Exploring Operation: 47*99=4653, Resulting Numbers: [4653] 4653,95 unequal: No Solution Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,95 unequal: No Solution Exploring Operation: 47+99=146, Resulting Numbers: [146] 146,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 95:[103, 43], Operations: ['54+49=103', '47-4=43'] Exploring Operation: 103+43=146, Resulting Numbers: [146] 146,95 unequal: No Solution Exploring Operation: 103-43=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 103*43=4429, Resulting Numbers: [4429] 4429,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 95:[4, 56], Operations: ['54+49=103', '103-47=56'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,95 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[103, 51], Operations: ['54+49=103', '4+47=51'] Exploring Operation: 103+51=154, Resulting Numbers: [154] 154,95 unequal: No Solution Exploring Operation: 103*51=5253, Resulting Numbers: [5253] 5253,95 unequal: No Solution Exploring Operation: 103-51=52, Resulting Numbers: [52] 52,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[47, 107], Operations: ['54+49=103', '4+103=107'] Exploring Operation: 47*107=5029, Resulting Numbers: [5029] 5029,95 unequal: No Solution Exploring Operation: 47+107=154, Resulting Numbers: [154] 154,95 unequal: No Solution Exploring Operation: 107-47=60, Resulting Numbers: [60] 60,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[54, 4, 96], Operations: ['49+47=96'] Exploring Operation: 54-4=50, Resulting Numbers: [96, 50] Generated Node #0,2,0: 95:[96, 50] Operation: 54-4=50 Exploring Operation: 96-4=92, Resulting Numbers: [54, 92] Generated Node #0,2,1: 95:[54, 92] Operation: 96-4=92 Exploring Operation: 96-54=42, Resulting Numbers: [4, 42] Generated Node #0,2,2: 95:[4, 42] Operation: 96-54=42 Exploring Operation: 4+96=100, Resulting Numbers: [54, 100] Generated Node #0,2,3: 95:[54, 100] Operation: 4+96=100 Exploring Operation: 54+4=58, Resulting Numbers: [96, 58] Generated Node #0,2,4: 95:[96, 58] Operation: 54+4=58 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 95:[4, 42], Operations: ['49+47=96', '96-54=42'] Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[96, 50], Operations: ['49+47=96', '54-4=50'] Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 96*50=4800, Resulting Numbers: [4800] 4800,95 unequal: No Solution Exploring Operation: 96+50=146, Resulting Numbers: [146] 146,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[54, 92], Operations: ['49+47=96', '96-4=92'] Exploring Operation: 54*92=4968, Resulting Numbers: [4968] 4968,95 unequal: No Solution Exploring Operation: 92-54=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 54+92=146, Resulting Numbers: [146] 146,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 95:[96, 58], Operations: ['49+47=96', '54+4=58'] Exploring Operation: 96*58=5568, Resulting Numbers: [5568] 5568,95 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 96+58=154, Resulting Numbers: [154] 154,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 95:[54, 100], Operations: ['49+47=96', '4+96=100'] Exploring Operation: 54+100=154, Resulting Numbers: [154] 154,95 unequal: No Solution Exploring Operation: 54*100=5400, Resulting Numbers: [5400] 5400,95 unequal: No Solution Exploring Operation: 100-54=46, Resulting Numbers: [46] 46,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[49, 4, 101], Operations: ['54+47=101'] Exploring Operation: 4+101=105, Resulting Numbers: [49, 105] Generated Node #0,4,0: 95:[49, 105] Operation: 4+101=105 Exploring Operation: 101-4=97, Resulting Numbers: [49, 97] Generated Node #0,4,1: 95:[49, 97] Operation: 101-4=97 Exploring Operation: 49-4=45, Resulting Numbers: [101, 45] Generated Node #0,4,2: 95:[101, 45] Operation: 49-4=45 Exploring Operation: 49+4=53, Resulting Numbers: [101, 53] Generated Node #0,4,3: 95:[101, 53] Operation: 49+4=53 Exploring Operation: 101-49=52, Resulting Numbers: [4, 52] Generated Node #0,4,4: 95:[4, 52] Operation: 101-49=52 Moving to Node #0,4,1 Current State: 95:[49, 97], Operations: ['54+47=101', '101-4=97'] Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 49*97=4753, Resulting Numbers: [4753] 4753,95 unequal: No Solution Exploring Operation: 49+97=146, Resulting Numbers: [146] 146,95 unequal: No Solution Moving to Node #0,4,2 Current State: 95:[101, 45], Operations: ['54+47=101', '49-4=45'] Exploring Operation: 101*45=4545, Resulting Numbers: [4545] 4545,95 unequal: No Solution Exploring Operation: 101-45=56, Resulting Numbers: [56] 56,95 unequal: No Solution Exploring Operation: 101+45=146, Resulting Numbers: [146] 146,95 unequal: No Solution Moving to Node #0,4,4 Current State: 95:[4, 52], Operations: ['54+47=101', '101-49=52'] Exploring Operation: 4*52=208, Resulting Numbers: [208] 208,95 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,95 unequal: No Solution Moving to Node #0,4,0 Current State: 95:[49, 105], Operations: ['54+47=101', '4+101=105'] Exploring Operation: 105-49=56, Resulting Numbers: [56] 56,95 unequal: No Solution Exploring Operation: 49*105=5145, Resulting Numbers: [5145] 5145,95 unequal: No Solution Exploring Operation: 49+105=154, Resulting Numbers: [154] 154,95 unequal: No Solution Moving to Node #0,4,3 Current State: 95:[101, 53], Operations: ['54+47=101', '49+4=53'] Exploring Operation: 101*53=5353, Resulting Numbers: [5353] 5353,95 unequal: No Solution Exploring Operation: 101+53=154, Resulting Numbers: [154] 154,95 unequal: No Solution Exploring Operation: 101-53=48, Resulting Numbers: [48] 48,95 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
[ 6, 35, 23, 25 ]
33
[ "35+25=60", "60/6=10", "23+10=33" ]
Current State: 33:[6, 35, 23, 25], Operations: [] Exploring Operation: 35+25=60, Resulting Numbers: [6, 23, 60] Generated Node #2: [6, 23, 60] from Operation: 35+25=60 Current State: 33:[6, 23, 60], Operations: ['35+25=60'] Exploring Operation: 60/6=10, Resulting Numbers: [23, 10] Generated Node #3: [23, 10] from Operation: 60/6=10 Current State: 33:[23, 10], Operations: ['35+25=60', '60/6=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[6, 35, 23, 25], Operations: [] Exploring Operation: 6+23=29, Resulting Numbers: [35, 25, 29] Generated Node #0,0: 33:[35, 25, 29] Operation: 6+23=29 Exploring Operation: 35-25=10, Resulting Numbers: [6, 23, 10] Generated Node #0,1: 33:[6, 23, 10] Operation: 35-25=10 Exploring Operation: 35-23=12, Resulting Numbers: [6, 25, 12] Generated Node #0,2: 33:[6, 25, 12] Operation: 35-23=12 Exploring Operation: 6+25=31, Resulting Numbers: [35, 23, 31] Generated Node #0,3: 33:[35, 23, 31] Operation: 6+25=31 Exploring Operation: 25-23=2, Resulting Numbers: [6, 35, 2] Generated Node #0,4: 33:[6, 35, 2] Operation: 25-23=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[6, 35, 2], Operations: ['25-23=2'] Exploring Operation: 35-2=33, Resulting Numbers: [6, 33] Generated Node #0,4,0: 33:[6, 33] Operation: 35-2=33 Exploring Operation: 6/2=3, Resulting Numbers: [35, 3] Generated Node #0,4,1: 33:[35, 3] Operation: 6/2=3 Exploring Operation: 6*2=12, Resulting Numbers: [35, 12] Generated Node #0,4,2: 33:[35, 12] Operation: 6*2=12 Exploring Operation: 35-6=29, Resulting Numbers: [2, 29] Generated Node #0,4,3: 33:[2, 29] Operation: 35-6=29 Exploring Operation: 6-2=4, Resulting Numbers: [35, 4] Generated Node #0,4,4: 33:[35, 4] Operation: 6-2=4 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 33:[35, 3], Operations: ['25-23=2', '6/2=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,33 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 33:[6, 33], Operations: ['25-23=2', '35-2=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 33:[35, 12], Operations: ['25-23=2', '6*2=12'] Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,33 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 33:[35, 4], Operations: ['25-23=2', '6-2=4'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,33 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 33:[2, 29], Operations: ['25-23=2', '35-6=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[6, 25, 12], Operations: ['35-23=12'] Exploring Operation: 12/6=2, Resulting Numbers: [25, 2] Generated Node #0,2,0: 33:[25, 2] Operation: 12/6=2 Exploring Operation: 25+12=37, Resulting Numbers: [6, 37] Generated Node #0,2,1: 33:[6, 37] Operation: 25+12=37 Exploring Operation: 25-6=19, Resulting Numbers: [12, 19] Generated Node #0,2,2: 33:[12, 19] Operation: 25-6=19 Exploring Operation: 25-12=13, Resulting Numbers: [6, 13] Generated Node #0,2,3: 33:[6, 13] Operation: 25-12=13 Exploring Operation: 6+25=31, Resulting Numbers: [12, 31] Generated Node #0,2,4: 33:[12, 31] Operation: 6+25=31 Moving to Node #0,2,4 Current State: 33:[12, 31], Operations: ['35-23=12', '6+25=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,33 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[6, 13], Operations: ['35-23=12', '25-12=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[6, 37], Operations: ['35-23=12', '25+12=37'] Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,33 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[25, 2], Operations: ['35-23=12', '12/6=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[12, 19], Operations: ['35-23=12', '25-6=19'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 12*19=228, Resulting Numbers: [228] 228,33 unequal: No Solution Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[35, 25, 29], Operations: ['6+23=29'] Exploring Operation: 25+29=54, Resulting Numbers: [35, 54] Generated Node #0,0,0: 33:[35, 54] Operation: 25+29=54 Exploring Operation: 35+25=60, Resulting Numbers: [29, 60] Generated Node #0,0,1: 33:[29, 60] Operation: 35+25=60 Exploring Operation: 35-29=6, Resulting Numbers: [25, 6] Generated Node #0,0,2: 33:[25, 6] Operation: 35-29=6 Exploring Operation: 35-25=10, Resulting Numbers: [29, 10] Generated Node #0,0,3: 33:[29, 10] Operation: 35-25=10 Exploring Operation: 29-25=4, Resulting Numbers: [35, 4] Generated Node #0,0,4: 33:[35, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 33:[35, 4], Operations: ['6+23=29', '29-25=4'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[29, 10], Operations: ['6+23=29', '35-25=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[25, 6], Operations: ['6+23=29', '35-29=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[35, 54], Operations: ['6+23=29', '25+29=54'] Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,33 unequal: No Solution Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 35*54=1890, Resulting Numbers: [1890] 1890,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[29, 60], Operations: ['6+23=29', '35+25=60'] Exploring Operation: 29*60=1740, Resulting Numbers: [1740] 1740,33 unequal: No Solution Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,33 unequal: No Solution Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[6, 23, 10], Operations: ['35-25=10'] Exploring Operation: 23-6=17, Resulting Numbers: [10, 17] Generated Node #0,1,0: 33:[10, 17] Operation: 23-6=17 Exploring Operation: 10-6=4, Resulting Numbers: [23, 4] Generated Node #0,1,1: 33:[23, 4] Operation: 10-6=4 Exploring Operation: 23+10=33, Resulting Numbers: [6, 33] Generated Node #0,1,2: 33:[6, 33] Operation: 23+10=33 Exploring Operation: 6+23=29, Resulting Numbers: [10, 29] Generated Node #0,1,3: 33:[10, 29] Operation: 6+23=29 Exploring Operation: 23-10=13, Resulting Numbers: [6, 13] Generated Node #0,1,4: 33:[6, 13] Operation: 23-10=13 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[6, 33], Operations: ['35-25=10', '23+10=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,33 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[10, 29], Operations: ['35-25=10', '6+23=29'] Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,33 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 33:[6, 13], Operations: ['35-25=10', '23-10=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[10, 17], Operations: ['35-25=10', '23-6=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,33 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[23, 4], Operations: ['35-25=10', '10-6=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,33 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[35, 23, 31], Operations: ['6+25=31'] Exploring Operation: 35-23=12, Resulting Numbers: [31, 12] Generated Node #0,3,0: 33:[31, 12] Operation: 35-23=12 Exploring Operation: 23+31=54, Resulting Numbers: [35, 54] Generated Node #0,3,1: 33:[35, 54] Operation: 23+31=54 Exploring Operation: 35-31=4, Resulting Numbers: [23, 4] Generated Node #0,3,2: 33:[23, 4] Operation: 35-31=4 Exploring Operation: 31-23=8, Resulting Numbers: [35, 8] Generated Node #0,3,3: 33:[35, 8] Operation: 31-23=8 Exploring Operation: 35+23=58, Resulting Numbers: [31, 58] Generated Node #0,3,4: 33:[31, 58] Operation: 35+23=58 Moving to Node #0,3,0 Current State: 33:[31, 12], Operations: ['6+25=31', '35-23=12'] Exploring Operation: 31*12=372, Resulting Numbers: [372] 372,33 unequal: No Solution Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[35, 8], Operations: ['6+25=31', '31-23=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,33 unequal: No Solution Moving to Node #0,3,2 Current State: 33:[23, 4], Operations: ['6+25=31', '35-31=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,33 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[35, 54], Operations: ['6+25=31', '23+31=54'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 35*54=1890, Resulting Numbers: [1890] 1890,33 unequal: No Solution Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,33 unequal: No Solution Moving to Node #0,3,4 Current State: 33:[31, 58], Operations: ['6+25=31', '35+23=58'] Exploring Operation: 31+58=89, Resulting Numbers: [89] 89,33 unequal: No Solution Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 31*58=1798, Resulting Numbers: [1798] 1798,33 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
[ 40, 64, 47, 56 ]
50
[ "64+56=120", "120/40=3", "47+3=50" ]
Current State: 50:[40, 64, 47, 56], Operations: [] Exploring Operation: 64+56=120, Resulting Numbers: [40, 47, 120] Generated Node #2: [40, 47, 120] from Operation: 64+56=120 Current State: 50:[40, 47, 120], Operations: ['64+56=120'] Exploring Operation: 120/40=3, Resulting Numbers: [47, 3] Generated Node #3: [47, 3] from Operation: 120/40=3 Current State: 50:[47, 3], Operations: ['64+56=120', '120/40=3'] Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[40, 64, 47, 56], Operations: [] Exploring Operation: 64-40=24, Resulting Numbers: [47, 56, 24] Generated Node #0,0: 50:[47, 56, 24] Operation: 64-40=24 Exploring Operation: 47-40=7, Resulting Numbers: [64, 56, 7] Generated Node #0,1: 50:[64, 56, 7] Operation: 47-40=7 Exploring Operation: 64-56=8, Resulting Numbers: [40, 47, 8] Generated Node #0,2: 50:[40, 47, 8] Operation: 64-56=8 Moving to Node #0,0 Current State: 50:[47, 56, 24], Operations: ['64-40=24'] Exploring Operation: 47-24=23, Resulting Numbers: [56, 23] Generated Node #0,0,0: 50:[56, 23] Operation: 47-24=23 Exploring Operation: 56-24=32, Resulting Numbers: [47, 32] Generated Node #0,0,1: 50:[47, 32] Operation: 56-24=32 Exploring Operation: 56-47=9, Resulting Numbers: [24, 9] Generated Node #0,0,2: 50:[24, 9] Operation: 56-47=9 Moving to Node #0,2 Current State: 50:[40, 47, 8], Operations: ['64-56=8'] Exploring Operation: 47-40=7, Resulting Numbers: [8, 7] Generated Node #0,2,0: 50:[8, 7] Operation: 47-40=7 Exploring Operation: 40/8=5, Resulting Numbers: [47, 5] Generated Node #0,2,1: 50:[47, 5] Operation: 40/8=5 Exploring Operation: 40+8=48, Resulting Numbers: [47, 48] Generated Node #0,2,2: 50:[47, 48] Operation: 40+8=48 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 50:[47, 5], Operations: ['64-56=8', '40/8=5'] Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,50 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[8, 7], Operations: ['64-56=8', '47-40=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[47, 48], Operations: ['64-56=8', '40+8=48'] Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,50 unequal: No Solution Exploring Operation: 47*48=2256, Resulting Numbers: [2256] 2256,50 unequal: No Solution Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,50 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: 50:[64, 56, 7], Operations: ['47-40=7'] Exploring Operation: 56-7=49, Resulting Numbers: [64, 49] Generated Node #0,1,0: 50:[64, 49] Operation: 56-7=49 Exploring Operation: 64-56=8, Resulting Numbers: [7, 8] Generated Node #0,1,1: 50:[7, 8] Operation: 64-56=8 Exploring Operation: 64-7=57, Resulting Numbers: [56, 57] Generated Node #0,1,2: 50:[56, 57] Operation: 64-7=57 Moving to Node #0,0,2 Current State: 50:[24, 9], Operations: ['64-40=24', '56-47=9'] Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,50 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[7, 8], Operations: ['47-40=7', '64-56=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[56, 23], Operations: ['64-40=24', '47-24=23'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[47, 32], Operations: ['64-40=24', '56-24=32'] Exploring Operation: 47*32=1504, Resulting Numbers: [1504] 1504,50 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[56, 57], Operations: ['47-40=7', '64-7=57'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,50 unequal: No Solution Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[64, 49], Operations: ['47-40=7', '56-7=49'] Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,50 unequal: No Solution Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,50 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 47, 17, 51, 87 ]
66
[ "47-17=30", "87-51=36", "30+36=66" ]
Current State: 66:[47, 17, 51, 87], Operations: [] Exploring Operation: 47-17=30, Resulting Numbers: [51, 87, 30] Generated Node #2: [51, 87, 30] from Operation: 47-17=30 Current State: 66:[51, 87, 30], Operations: ['47-17=30'] Exploring Operation: 87-51=36, Resulting Numbers: [30, 36] Generated Node #3: [30, 36] from Operation: 87-51=36 Current State: 66:[30, 36], Operations: ['47-17=30', '87-51=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[47, 17, 51, 87], Operations: [] Exploring Operation: 51-47=4, Resulting Numbers: [17, 87, 4] Generated Node #0,0: 66:[17, 87, 4] Operation: 51-47=4 Exploring Operation: 87-51=36, Resulting Numbers: [47, 17, 36] Generated Node #0,1: 66:[47, 17, 36] Operation: 87-51=36 Moving to Node #0,1 Current State: 66:[47, 17, 36], Operations: ['87-51=36'] Exploring Operation: 47+17=64, Resulting Numbers: [36, 64] Generated Node #0,1,0: 66:[36, 64] Operation: 47+17=64 Exploring Operation: 47-36=11, Resulting Numbers: [17, 11] Generated Node #0,1,1: 66:[17, 11] Operation: 47-36=11 Moving to Node #0,0 Current State: 66:[17, 87, 4], Operations: ['51-47=4'] Exploring Operation: 87-17=70, Resulting Numbers: [4, 70] Generated Node #0,0,0: 66:[4, 70] Operation: 87-17=70 Exploring Operation: 17+4=21, Resulting Numbers: [87, 21] Generated Node #0,0,1: 66:[87, 21] Operation: 17+4=21 Moving to Node #0,1,0 Current State: 66:[36, 64], Operations: ['87-51=36', '47+17=64'] Exploring Operation: 36+64=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[4, 70], Operations: ['51-47=4', '87-17=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[47, 17, 51, 87], Operations: [] Exploring Operation: 51-47=4, Resulting Numbers: [17, 87, 4] Generated Node #0,0: 66:[17, 87, 4] Operation: 51-47=4 Moving to Node #0,0 Current State: 66:[17, 87, 4], Operations: ['51-47=4'] Exploring Operation: 87-17=70, Resulting Numbers: [4, 70] Generated Node #0,0,0: 66:[4, 70] Operation: 87-17=70 Moving to Node #0,0,0 Current State: 66:[4, 70], Operations: ['51-47=4', '87-17=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.987847
hs_2
sum_heuristic
[ 67, 78, 31, 10 ]
10
[ "78-67=11", "31-10=21", "21-11=10" ]
Current State: 10:[67, 78, 31, 10], Operations: [] Exploring Operation: 78-67=11, Resulting Numbers: [31, 10, 11] Generated Node #2: [31, 10, 11] from Operation: 78-67=11 Current State: 10:[31, 10, 11], Operations: ['78-67=11'] Exploring Operation: 31-10=21, Resulting Numbers: [11, 21] Generated Node #3: [11, 21] from Operation: 31-10=21 Current State: 10:[11, 21], Operations: ['78-67=11', '31-10=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[67, 78, 31, 10], Operations: [] Exploring Operation: 78-67=11, Resulting Numbers: [31, 10, 11] Generated Node #0,0: 10:[31, 10, 11] Operation: 78-67=11 Exploring Operation: 78-31=47, Resulting Numbers: [67, 10, 47] Generated Node #0,1: 10:[67, 10, 47] Operation: 78-31=47 Exploring Operation: 78-10=68, Resulting Numbers: [67, 31, 68] Generated Node #0,2: 10:[67, 31, 68] Operation: 78-10=68 Exploring Operation: 67-10=57, Resulting Numbers: [78, 31, 57] Generated Node #0,3: 10:[78, 31, 57] Operation: 67-10=57 Exploring Operation: 67-31=36, Resulting Numbers: [78, 10, 36] Generated Node #0,4: 10:[78, 10, 36] Operation: 67-31=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[31, 10, 11], Operations: ['78-67=11'] Exploring Operation: 11-10=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 10:[31, 1] Operation: 11-10=1 Exploring Operation: 31+11=42, Resulting Numbers: [10, 42] Generated Node #0,0,1: 10:[10, 42] Operation: 31+11=42 Exploring Operation: 31+10=41, Resulting Numbers: [11, 41] Generated Node #0,0,2: 10:[11, 41] Operation: 31+10=41 Exploring Operation: 31-10=21, Resulting Numbers: [11, 21] Generated Node #0,0,3: 10:[11, 21] Operation: 31-10=21 Exploring Operation: 31-11=20, Resulting Numbers: [10, 20] Generated Node #0,0,4: 10:[10, 20] Operation: 31-11=20 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 10:[10, 20], Operations: ['78-67=11', '31-11=20'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[67, 78, 31, 10], Operations: [] Exploring Operation: 78-67=11, Resulting Numbers: [31, 10, 11] Generated Node #0,0: 10:[31, 10, 11] Operation: 78-67=11 Moving to Node #0,0 Current State: 10:[31, 10, 11], Operations: ['78-67=11'] Exploring Operation: 31-11=20, Resulting Numbers: [10, 20] Generated Node #0,0,4: 10:[10, 20] Operation: 31-11=20 Moving to Node #0,0,4 Current State: 10:[10, 20], Operations: ['78-67=11', '31-11=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 88, 45, 80, 7 ]
11
[ "88-80=8", "7*8=56", "56-45=11" ]
Current State: 11:[88, 45, 80, 7], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [45, 7, 8] Generated Node #2: [45, 7, 8] from Operation: 88-80=8 Current State: 11:[45, 7, 8], Operations: ['88-80=8'] Exploring Operation: 7*8=56, Resulting Numbers: [45, 56] Generated Node #3: [45, 56] from Operation: 7*8=56 Current State: 11:[45, 56], Operations: ['88-80=8', '7*8=56'] Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[88, 45, 80, 7], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [45, 7, 8] Generated Node #0,0: 11:[45, 7, 8] Operation: 88-80=8 Exploring Operation: 45-7=38, Resulting Numbers: [88, 80, 38] Generated Node #0,1: 11:[88, 80, 38] Operation: 45-7=38 Exploring Operation: 88-45=43, Resulting Numbers: [80, 7, 43] Generated Node #0,2: 11:[80, 7, 43] Operation: 88-45=43 Exploring Operation: 80-45=35, Resulting Numbers: [88, 7, 35] Generated Node #0,3: 11:[88, 7, 35] Operation: 80-45=35 Exploring Operation: 88-7=81, Resulting Numbers: [45, 80, 81] Generated Node #0,4: 11:[45, 80, 81] Operation: 88-7=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[45, 7, 8], Operations: ['88-80=8'] Exploring Operation: 45-7=38, Resulting Numbers: [8, 38] Generated Node #0,0,0: 11:[8, 38] Operation: 45-7=38 Exploring Operation: 7+8=15, Resulting Numbers: [45, 15] Generated Node #0,0,1: 11:[45, 15] Operation: 7+8=15 Exploring Operation: 8-7=1, Resulting Numbers: [45, 1] Generated Node #0,0,2: 11:[45, 1] Operation: 8-7=1 Exploring Operation: 45+7=52, Resulting Numbers: [8, 52] Generated Node #0,0,3: 11:[8, 52] Operation: 45+7=52 Exploring Operation: 45-8=37, Resulting Numbers: [7, 37] Generated Node #0,0,4: 11:[7, 37] Operation: 45-8=37 Moving to Node #0,0,0 Current State: 11:[8, 38], Operations: ['88-80=8', '45-7=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,11 unequal: No Solution Moving to Node #0,0,4 Current State: 11:[7, 37], Operations: ['88-80=8', '45-8=37'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[45, 15], Operations: ['88-80=8', '7+8=15'] Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 45*15=675, Resulting Numbers: [675] 675,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[45, 1], Operations: ['88-80=8', '8-7=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[8, 52], Operations: ['88-80=8', '45+7=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,11 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,11 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:[80, 7, 43], Operations: ['88-45=43'] Exploring Operation: 80-43=37, Resulting Numbers: [7, 37] Generated Node #0,2,0: 11:[7, 37] Operation: 80-43=37 Exploring Operation: 80-7=73, Resulting Numbers: [43, 73] Generated Node #0,2,1: 11:[43, 73] Operation: 80-7=73 Exploring Operation: 80+7=87, Resulting Numbers: [43, 87] Generated Node #0,2,2: 11:[43, 87] Operation: 80+7=87 Exploring Operation: 43-7=36, Resulting Numbers: [80, 36] Generated Node #0,2,3: 11:[80, 36] Operation: 43-7=36 Exploring Operation: 7+43=50, Resulting Numbers: [80, 50] Generated Node #0,2,4: 11:[80, 50] Operation: 7+43=50 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[7, 37], Operations: ['88-45=43', '80-43=37'] Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,11 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,11 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 #0,2,1 Current State: 11:[43, 73], Operations: ['88-45=43', '80-7=73'] Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,11 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,11 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 #0,2,3 Current State: 11:[80, 36], Operations: ['88-45=43', '43-7=36'] Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,11 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,11 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 #0,2,2 Current State: 11:[43, 87], Operations: ['88-45=43', '80+7=87'] Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,11 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 #0,2,4 Current State: 11:[80, 50], Operations: ['88-45=43', '7+43=50'] Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,11 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,11 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 #0,3 Current State: 11:[88, 7, 35], Operations: ['80-45=35'] Exploring Operation: 88-35=53, Resulting Numbers: [7, 53] Generated Node #0,3,0: 11:[7, 53] Operation: 88-35=53 Exploring Operation: 35/7=5, Resulting Numbers: [88, 5] Generated Node #0,3,1: 11:[88, 5] Operation: 35/7=5 Exploring Operation: 35-7=28, Resulting Numbers: [88, 28] Generated Node #0,3,2: 11:[88, 28] Operation: 35-7=28 Exploring Operation: 88-7=81, Resulting Numbers: [35, 81] Generated Node #0,3,3: 11:[35, 81] Operation: 88-7=81 Exploring Operation: 88+7=95, Resulting Numbers: [35, 95] Generated Node #0,3,4: 11:[35, 95] Operation: 88+7=95 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 11:[7, 53], Operations: ['80-45=35', '88-35=53'] Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,11 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:[88, 5], Operations: ['80-45=35', '35/7=5'] Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,11 unequal: No Solution Exploring Operation: 88*5=440, Resulting Numbers: [440] 440,11 unequal: No Solution Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,11 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 #0,3,2 Current State: 11:[88, 28], Operations: ['80-45=35', '35-7=28'] Exploring Operation: 88-28=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 88*28=2464, Resulting Numbers: [2464] 2464,11 unequal: No Solution Exploring Operation: 88+28=116, Resulting Numbers: [116] 116,11 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:[35, 81], Operations: ['80-45=35', '88-7=81'] Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,11 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,11 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,11 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 #0,3,4 Current State: 11:[35, 95], Operations: ['80-45=35', '88+7=95'] Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,11 unequal: No Solution Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,11 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:[88, 80, 38], Operations: ['45-7=38'] Exploring Operation: 88+80=168, Resulting Numbers: [38, 168] Generated Node #0,1,0: 11:[38, 168] Operation: 88+80=168 Exploring Operation: 88-80=8, Resulting Numbers: [38, 8] Generated Node #0,1,1: 11:[38, 8] Operation: 88-80=8 Exploring Operation: 80-38=42, Resulting Numbers: [88, 42] Generated Node #0,1,2: 11:[88, 42] Operation: 80-38=42 Exploring Operation: 88+38=126, Resulting Numbers: [80, 126] Generated Node #0,1,3: 11:[80, 126] Operation: 88+38=126 Exploring Operation: 88-38=50, Resulting Numbers: [80, 50] Generated Node #0,1,4: 11:[80, 50] Operation: 88-38=50 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[38, 8], Operations: ['45-7=38', '88-80=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,11 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 #0,1,2 Current State: 11:[88, 42], Operations: ['45-7=38', '80-38=42'] Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,11 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,11 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 #0,1,4 Current State: 11:[80, 50], Operations: ['45-7=38', '88-38=50'] Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,11 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,11 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 #0,1,0 Current State: 11:[38, 168], Operations: ['45-7=38', '88+80=168'] Exploring Operation: 38+168=206, Resulting Numbers: [206] 206,11 unequal: No Solution Exploring Operation: 168-38=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 38*168=6384, Resulting Numbers: [6384] 6384,11 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 #0,1,3 Current State: 11:[80, 126], Operations: ['45-7=38', '88+38=126'] Exploring Operation: 80*126=10080, Resulting Numbers: [10080] 10080,11 unequal: No Solution Exploring Operation: 126-80=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 80+126=206, Resulting Numbers: [206] 206,11 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 #0,4 Current State: 11:[45, 80, 81], Operations: ['88-7=81'] Exploring Operation: 45+81=126, Resulting Numbers: [80, 126] Generated Node #0,4,0: 11:[80, 126] Operation: 45+81=126 Exploring Operation: 45+80=125, Resulting Numbers: [81, 125] Generated Node #0,4,1: 11:[81, 125] Operation: 45+80=125 Exploring Operation: 80-45=35, Resulting Numbers: [81, 35] Generated Node #0,4,2: 11:[81, 35] Operation: 80-45=35 Exploring Operation: 81-45=36, Resulting Numbers: [80, 36] Generated Node #0,4,3: 11:[80, 36] Operation: 81-45=36 Exploring Operation: 81-80=1, Resulting Numbers: [45, 1] Generated Node #0,4,4: 11:[45, 1] Operation: 81-80=1 Moving to Node #0,4,4 Current State: 11:[45, 1], Operations: ['88-7=81', '81-80=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[80, 36], Operations: ['88-7=81', '81-45=36'] Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,11 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[81, 35], Operations: ['88-7=81', '80-45=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,11 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[80, 126], Operations: ['88-7=81', '45+81=126'] Exploring Operation: 126-80=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 80*126=10080, Resulting Numbers: [10080] 10080,11 unequal: No Solution Exploring Operation: 80+126=206, Resulting Numbers: [206] 206,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[81, 125], Operations: ['88-7=81', '45+80=125'] Exploring Operation: 81+125=206, Resulting Numbers: [206] 206,11 unequal: No Solution Exploring Operation: 81*125=10125, Resulting Numbers: [10125] 10125,11 unequal: No Solution Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,11 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
[ 42, 39, 35, 56 ]
47
[ "42-35=7", "56/7=8", "39+8=47" ]
Current State: 47:[42, 39, 35, 56], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [39, 56, 7] Generated Node #2: [39, 56, 7] from Operation: 42-35=7 Current State: 47:[39, 56, 7], Operations: ['42-35=7'] Exploring Operation: 56/7=8, Resulting Numbers: [39, 8] Generated Node #3: [39, 8] from Operation: 56/7=8 Current State: 47:[39, 8], Operations: ['42-35=7', '56/7=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[42, 39, 35, 56], Operations: [] Exploring Operation: 56-35=21, Resulting Numbers: [42, 39, 21] Generated Node #0,0: 47:[42, 39, 21] Operation: 56-35=21 Moving to Node #0,0 Current State: 47:[42, 39, 21], Operations: ['56-35=21'] Exploring Operation: 39+21=60, Resulting Numbers: [42, 60] Generated Node #0,0,0: 47:[42, 60] Operation: 39+21=60 Moving to Node #0,0,0 Current State: 47:[42, 60], Operations: ['56-35=21', '39+21=60'] Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,47 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 63, 86, 78, 97 ]
20
[ "63+97=160", "86-78=8", "160/8=20" ]
Current State: 20:[63, 86, 78, 97], Operations: [] Exploring Operation: 63+97=160, Resulting Numbers: [86, 78, 160] Generated Node #2: [86, 78, 160] from Operation: 63+97=160 Current State: 20:[86, 78, 160], Operations: ['63+97=160'] Exploring Operation: 86-78=8, Resulting Numbers: [160, 8] Generated Node #3: [160, 8] from Operation: 86-78=8 Current State: 20:[160, 8], Operations: ['63+97=160', '86-78=8'] Exploring Operation: 160/8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[63, 86, 78, 97], Operations: [] Exploring Operation: 97-86=11, Resulting Numbers: [63, 78, 11] Generated Node #0,0: 20:[63, 78, 11] Operation: 97-86=11 Moving to Node #0,0 Current State: 20:[63, 78, 11], Operations: ['97-86=11'] Exploring Operation: 78-63=15, Resulting Numbers: [11, 15] Generated Node #0,0,0: 20:[11, 15] Operation: 78-63=15 Moving to Node #0,0,0 Current State: 20:[11, 15], Operations: ['97-86=11', '78-63=15'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,20 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 22, 95, 1, 19 ]
82
[ "95*19=1805", "1805-1=1804", "1804/22=82" ]
Current State: 82:[22, 95, 1, 19], Operations: [] Exploring Operation: 95*19=1805, Resulting Numbers: [22, 1, 1805] Generated Node #2: [22, 1, 1805] from Operation: 95*19=1805 Current State: 82:[22, 1, 1805], Operations: ['95*19=1805'] Exploring Operation: 1805-1=1804, Resulting Numbers: [22, 1804] Generated Node #3: [22, 1804] from Operation: 1805-1=1804 Current State: 82:[22, 1804], Operations: ['95*19=1805', '1805-1=1804'] Exploring Operation: 1804/22=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[22, 95, 1, 19], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [22, 1, 76] Generated Node #0,0: 82:[22, 1, 76] Operation: 95-19=76 Exploring Operation: 22-19=3, Resulting Numbers: [95, 1, 3] Generated Node #0,1: 82:[95, 1, 3] Operation: 22-19=3 Exploring Operation: 22+19=41, Resulting Numbers: [95, 1, 41] Generated Node #0,2: 82:[95, 1, 41] Operation: 22+19=41 Exploring Operation: 95-22=73, Resulting Numbers: [1, 19, 73] Generated Node #0,3: 82:[1, 19, 73] Operation: 95-22=73 Exploring Operation: 95/19=5, Resulting Numbers: [22, 1, 5] Generated Node #0,4: 82:[22, 1, 5] Operation: 95/19=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[95, 1, 41], Operations: ['22+19=41'] Exploring Operation: 1*41=41, Resulting Numbers: [95, 41] Generated Node #0,2,0: 82:[95, 41] Operation: 1*41=41 Exploring Operation: 95/1=95, Resulting Numbers: [41, 95] Generated Node #0,2,1: 82:[41, 95] Operation: 95/1=95 Exploring Operation: 95*1=95, Resulting Numbers: [41, 95] Generated Node #0,2,2: 82:[41, 95] Operation: 95*1=95 Exploring Operation: 95-1=94, Resulting Numbers: [41, 94] Generated Node #0,2,3: 82:[41, 94] Operation: 95-1=94 Exploring Operation: 41/1=41, Resulting Numbers: [95, 41] Generated Node #0,2,4: 82:[95, 41] Operation: 41/1=41 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[41, 94], Operations: ['22+19=41', '95-1=94'] Exploring Operation: 41+94=135, Resulting Numbers: [135] 135,82 unequal: No Solution Exploring Operation: 41*94=3854, Resulting Numbers: [3854] 3854,82 unequal: No Solution Exploring Operation: 94-41=53, Resulting Numbers: [53] 53,82 unequal: No Solution No 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: 82:[95, 41], Operations: ['22+19=41', '1*41=41'] Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,82 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,82 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,82 unequal: No Solution No 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: 82:[41, 95], Operations: ['22+19=41', '95/1=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,82 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,82 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,82 unequal: No Solution No 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: 82:[41, 95], Operations: ['22+19=41', '95*1=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,82 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,82 unequal: No Solution No 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: 82:[95, 41], Operations: ['22+19=41', '41/1=41'] Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,82 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,82 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,82 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: 82:[95, 1, 3], Operations: ['22-19=3'] Exploring Operation: 3-1=2, Resulting Numbers: [95, 2] Generated Node #0,1,0: 82:[95, 2] Operation: 3-1=2 Exploring Operation: 95-3=92, Resulting Numbers: [1, 92] Generated Node #0,1,1: 82:[1, 92] Operation: 95-3=92 Exploring Operation: 95*1=95, Resulting Numbers: [3, 95] Generated Node #0,1,2: 82:[3, 95] Operation: 95*1=95 Exploring Operation: 95/1=95, Resulting Numbers: [3, 95] Generated Node #0,1,3: 82:[3, 95] Operation: 95/1=95 Exploring Operation: 95-1=94, Resulting Numbers: [3, 94] Generated Node #0,1,4: 82:[3, 94] Operation: 95-1=94 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[1, 92], Operations: ['22-19=3', '95-3=92'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,82 unequal: No Solution No 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: 82:[95, 2], Operations: ['22-19=3', '3-1=2'] Exploring Operation: 95*2=190, Resulting Numbers: [190] 190,82 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,82 unequal: No Solution No 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: 82:[3, 94], Operations: ['22-19=3', '95-1=94'] Exploring Operation: 3+94=97, Resulting Numbers: [97] 97,82 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 3*94=282, Resulting Numbers: [282] 282,82 unequal: No Solution No 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: 82:[3, 95], Operations: ['22-19=3', '95*1=95'] Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,82 unequal: No Solution Exploring Operation: 3*95=285, Resulting Numbers: [285] 285,82 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,82 unequal: No Solution No 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: 82:[3, 95], Operations: ['22-19=3', '95/1=95'] Exploring Operation: 3*95=285, Resulting Numbers: [285] 285,82 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,82 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: 82:[22, 1, 5], Operations: ['95/19=5'] Exploring Operation: 22-5=17, Resulting Numbers: [1, 17] Generated Node #0,4,0: 82:[1, 17] Operation: 22-5=17 Exploring Operation: 22+5=27, Resulting Numbers: [1, 27] Generated Node #0,4,1: 82:[1, 27] Operation: 22+5=27 Exploring Operation: 5-1=4, Resulting Numbers: [22, 4] Generated Node #0,4,2: 82:[22, 4] Operation: 5-1=4 Exploring Operation: 22+1=23, Resulting Numbers: [5, 23] Generated Node #0,4,3: 82:[5, 23] Operation: 22+1=23 Exploring Operation: 22*1=22, Resulting Numbers: [5, 22] Generated Node #0,4,4: 82:[5, 22] Operation: 22*1=22 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 82:[1, 27], Operations: ['95/19=5', '22+5=27'] Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,82 unequal: No Solution No 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: 82:[1, 17], Operations: ['95/19=5', '22-5=17'] Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,82 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,82 unequal: No Solution No 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: 82:[22, 4], Operations: ['95/19=5', '5-1=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,82 unequal: No Solution No 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: 82:[5, 23], Operations: ['95/19=5', '22+1=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,82 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,82 unequal: No Solution No 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: 82:[5, 22], Operations: ['95/19=5', '22*1=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,82 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,82 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: 82:[22, 1, 76], Operations: ['95-19=76'] Exploring Operation: 22*1=22, Resulting Numbers: [76, 22] Generated Node #0,0,0: 82:[76, 22] Operation: 22*1=22 Exploring Operation: 22+76=98, Resulting Numbers: [1, 98] Generated Node #0,0,1: 82:[1, 98] Operation: 22+76=98 Exploring Operation: 76-22=54, Resulting Numbers: [1, 54] Generated Node #0,0,2: 82:[1, 54] Operation: 76-22=54 Exploring Operation: 22+1=23, Resulting Numbers: [76, 23] Generated Node #0,0,3: 82:[76, 23] Operation: 22+1=23 Exploring Operation: 1+76=77, Resulting Numbers: [22, 77] Generated Node #0,0,4: 82:[22, 77] Operation: 1+76=77 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[1, 54], Operations: ['95-19=76', '76-22=54'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,82 unequal: No Solution Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,82 unequal: No Solution No 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: 82:[1, 98], Operations: ['95-19=76', '22+76=98'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,82 unequal: No Solution Exploring Operation: 1*98=98, Resulting Numbers: [98] 98,82 unequal: No Solution Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,82 unequal: No Solution No 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: 82:[76, 23], Operations: ['95-19=76', '22+1=23'] Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,82 unequal: No Solution Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,82 unequal: No Solution No 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: 82:[22, 77], Operations: ['95-19=76', '1+76=77'] Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,82 unequal: No Solution Exploring Operation: 22+77=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 22*77=1694, Resulting Numbers: [1694] 1694,82 unequal: No Solution No 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: 82:[76, 22], Operations: ['95-19=76', '22*1=22'] Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,82 unequal: No Solution Exploring Operation: 76*22=1672, Resulting Numbers: [1672] 1672,82 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,82 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: 82:[1, 19, 73], Operations: ['95-22=73'] Exploring Operation: 19-1=18, Resulting Numbers: [73, 18] Generated Node #0,3,0: 82:[73, 18] Operation: 19-1=18 Exploring Operation: 19+73=92, Resulting Numbers: [1, 92] Generated Node #0,3,1: 82:[1, 92] Operation: 19+73=92 Exploring Operation: 1*19=19, Resulting Numbers: [73, 19] Generated Node #0,3,2: 82:[73, 19] Operation: 1*19=19 Exploring Operation: 73-19=54, Resulting Numbers: [1, 54] Generated Node #0,3,3: 82:[1, 54] Operation: 73-19=54 Exploring Operation: 1+73=74, Resulting Numbers: [19, 74] Generated Node #0,3,4: 82:[19, 74] Operation: 1+73=74 Moving to Node #0,3,1 Current State: 82:[1, 92], Operations: ['95-22=73', '19+73=92'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,82 unequal: No Solution Moving to Node #0,3,3 Current State: 82:[1, 54], Operations: ['95-22=73', '73-19=54'] Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,82 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,82 unequal: No Solution Moving to Node #0,3,0 Current State: 82:[73, 18], Operations: ['95-22=73', '19-1=18'] Exploring Operation: 73*18=1314, Resulting Numbers: [1314] 1314,82 unequal: No Solution Exploring Operation: 73+18=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,82 unequal: No Solution Moving to Node #0,3,4 Current State: 82:[19, 74], Operations: ['95-22=73', '1+73=74'] Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 19*74=1406, Resulting Numbers: [1406] 1406,82 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,82 unequal: No Solution Moving to Node #0,3,2 Current State: 82:[73, 19], Operations: ['95-22=73', '1*19=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,82 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 65, 44, 1, 26 ]
39
[ "65+1=66", "26*66=1716", "1716/44=39" ]
Current State: 39:[65, 44, 1, 26], Operations: [] Exploring Operation: 65+1=66, Resulting Numbers: [44, 26, 66] Generated Node #2: [44, 26, 66] from Operation: 65+1=66 Current State: 39:[44, 26, 66], Operations: ['65+1=66'] Exploring Operation: 26*66=1716, Resulting Numbers: [44, 1716] Generated Node #3: [44, 1716] from Operation: 26*66=1716 Current State: 39:[44, 1716], Operations: ['65+1=66', '26*66=1716'] Exploring Operation: 1716/44=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[65, 44, 1, 26], Operations: [] Exploring Operation: 65-1=64, Resulting Numbers: [44, 26, 64] Generated Node #0,0: 39:[44, 26, 64] Operation: 65-1=64 Exploring Operation: 65-44=21, Resulting Numbers: [1, 26, 21] Generated Node #0,1: 39:[1, 26, 21] Operation: 65-44=21 Exploring Operation: 65-26=39, Resulting Numbers: [44, 1, 39] Generated Node #0,2: 39:[44, 1, 39] Operation: 65-26=39 Exploring Operation: 44-26=18, Resulting Numbers: [65, 1, 18] Generated Node #0,3: 39:[65, 1, 18] Operation: 44-26=18 Moving to Node #0,2 Current State: 39:[44, 1, 39], Operations: ['65-26=39'] Exploring Operation: 44*1=44, Resulting Numbers: [39, 44] Generated Node #0,2,0: 39:[39, 44] Operation: 44*1=44 Exploring Operation: 44-39=5, Resulting Numbers: [1, 5] Generated Node #0,2,1: 39:[1, 5] Operation: 44-39=5 Exploring Operation: 44/1=44, Resulting Numbers: [39, 44] Generated Node #0,2,2: 39:[39, 44] Operation: 44/1=44 Exploring Operation: 44-1=43, Resulting Numbers: [39, 43] Generated Node #0,2,3: 39:[39, 43] Operation: 44-1=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[1, 5], Operations: ['65-26=39', '44-39=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 39:[39, 43], Operations: ['65-26=39', '44-1=43'] Exploring Operation: 39+43=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 39*43=1677, Resulting Numbers: [1677] 1677,39 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[39, 44], Operations: ['65-26=39', '44*1=44'] Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 39+44=83, Resulting Numbers: [83] 83,39 unequal: No Solution Exploring Operation: 39*44=1716, Resulting Numbers: [1716] 1716,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[39, 44], Operations: ['65-26=39', '44/1=44'] Exploring Operation: 39*44=1716, Resulting Numbers: [1716] 1716,39 unequal: No Solution Exploring Operation: 39+44=83, Resulting Numbers: [83] 83,39 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,39 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: 39:[1, 26, 21], Operations: ['65-44=21'] Exploring Operation: 1+26=27, Resulting Numbers: [21, 27] Generated Node #0,1,0: 39:[21, 27] Operation: 1+26=27 Exploring Operation: 26-21=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 39:[1, 5] Operation: 26-21=5 Exploring Operation: 26+21=47, Resulting Numbers: [1, 47] Generated Node #0,1,2: 39:[1, 47] Operation: 26+21=47 Exploring Operation: 26-1=25, Resulting Numbers: [21, 25] Generated Node #0,1,3: 39:[21, 25] Operation: 26-1=25 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[1, 5], Operations: ['65-44=21', '26-21=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,39 unequal: No Solution No 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: 39:[1, 47], Operations: ['65-44=21', '26+21=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,39 unequal: No Solution No 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: 39:[21, 27], Operations: ['65-44=21', '1+26=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,39 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,39 unequal: No Solution No 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: 39:[21, 25], Operations: ['65-44=21', '26-1=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,39 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,39 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: 39:[65, 1, 18], Operations: ['44-26=18'] Exploring Operation: 18-1=17, Resulting Numbers: [65, 17] Generated Node #0,3,0: 39:[65, 17] Operation: 18-1=17 Exploring Operation: 65-18=47, Resulting Numbers: [1, 47] Generated Node #0,3,1: 39:[1, 47] Operation: 65-18=47 Exploring Operation: 65-1=64, Resulting Numbers: [18, 64] Generated Node #0,3,2: 39:[18, 64] Operation: 65-1=64 Exploring Operation: 65*1=65, Resulting Numbers: [18, 65] Generated Node #0,3,3: 39:[18, 65] Operation: 65*1=65 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[1, 47], Operations: ['44-26=18', '65-18=47'] Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,39 unequal: No Solution No 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: 39:[65, 17], Operations: ['44-26=18', '18-1=17'] Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,39 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,39 unequal: No Solution No 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: 39:[18, 64], Operations: ['44-26=18', '65-1=64'] Exploring Operation: 18+64=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 18*64=1152, Resulting Numbers: [1152] 1152,39 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,39 unequal: No Solution No 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: 39:[18, 65], Operations: ['44-26=18', '65*1=65'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 18*65=1170, Resulting Numbers: [1170] 1170,39 unequal: No Solution Exploring Operation: 18+65=83, Resulting Numbers: [83] 83,39 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: 39:[44, 26, 64], Operations: ['65-1=64'] Exploring Operation: 44+26=70, Resulting Numbers: [64, 70] Generated Node #0,0,0: 39:[64, 70] Operation: 44+26=70 Exploring Operation: 44-26=18, Resulting Numbers: [64, 18] Generated Node #0,0,1: 39:[64, 18] Operation: 44-26=18 Exploring Operation: 64-44=20, Resulting Numbers: [26, 20] Generated Node #0,0,2: 39:[26, 20] Operation: 64-44=20 Exploring Operation: 64-26=38, Resulting Numbers: [44, 38] Generated Node #0,0,3: 39:[44, 38] Operation: 64-26=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[44, 38], Operations: ['65-1=64', '64-26=38'] Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,39 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,39 unequal: No Solution No 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: 39:[26, 20], Operations: ['65-1=64', '64-44=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,39 unequal: No Solution No 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: 39:[64, 18], Operations: ['65-1=64', '44-26=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,39 unequal: No Solution No 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: 39:[64, 70], Operations: ['65-1=64', '44+26=70'] Exploring Operation: 64+70=134, Resulting Numbers: [134] 134,39 unequal: No Solution Exploring Operation: 64*70=4480, Resulting Numbers: [4480] 4480,39 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,39 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
[ 62, 73, 17, 57 ]
63
[ "73-62=11", "17+57=74", "74-11=63" ]
Current State: 63:[62, 73, 17, 57], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [17, 57, 11] Generated Node #2: [17, 57, 11] from Operation: 73-62=11 Current State: 63:[17, 57, 11], Operations: ['73-62=11'] Exploring Operation: 17+57=74, Resulting Numbers: [11, 74] Generated Node #3: [11, 74] from Operation: 17+57=74 Current State: 63:[11, 74], Operations: ['73-62=11', '17+57=74'] Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[62, 73, 17, 57], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [62, 57, 56] Generated Node #0,0: 63:[62, 57, 56] Operation: 73-17=56 Exploring Operation: 73-62=11, Resulting Numbers: [17, 57, 11] Generated Node #0,1: 63:[17, 57, 11] Operation: 73-62=11 Exploring Operation: 73-57=16, Resulting Numbers: [62, 17, 16] Generated Node #0,2: 63:[62, 17, 16] Operation: 73-57=16 Moving to Node #0,2 Current State: 63:[62, 17, 16], Operations: ['73-57=16'] Exploring Operation: 17+16=33, Resulting Numbers: [62, 33] Generated Node #0,2,0: 63:[62, 33] Operation: 17+16=33 Exploring Operation: 62+16=78, Resulting Numbers: [17, 78] Generated Node #0,2,1: 63:[17, 78] Operation: 62+16=78 Exploring Operation: 17-16=1, Resulting Numbers: [62, 1] Generated Node #0,2,2: 63:[62, 1] Operation: 17-16=1 Moving to Node #0,1 Current State: 63:[17, 57, 11], Operations: ['73-62=11'] Exploring Operation: 17+57=74, Resulting Numbers: [11, 74] Generated Node #0,1,0: 63:[11, 74] Operation: 17+57=74 Exploring Operation: 17-11=6, Resulting Numbers: [57, 6] Generated Node #0,1,1: 63:[57, 6] Operation: 17-11=6 Exploring Operation: 57+11=68, Resulting Numbers: [17, 68] Generated Node #0,1,2: 63:[17, 68] Operation: 57+11=68 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[57, 6], Operations: ['73-62=11', '17-11=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,63 unequal: No Solution Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,63 unequal: No Solution Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[62, 73, 17, 57], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [17, 57, 11] Generated Node #0,1: 63:[17, 57, 11] Operation: 73-62=11 Moving to Node #0,1 Current State: 63:[17, 57, 11], Operations: ['73-62=11'] Exploring Operation: 17-11=6, Resulting Numbers: [57, 6] Generated Node #0,1,1: 63:[57, 6] Operation: 17-11=6 Moving to Node #0,1,1 Current State: 63:[57, 6], Operations: ['73-62=11', '17-11=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 30, 52, 38, 37 ]
22
[ "52-30=22", "38-37=1", "22*1=22" ]
Current State: 22:[30, 52, 38, 37], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [38, 37, 22] Generated Node #2: [38, 37, 22] from Operation: 52-30=22 Current State: 22:[38, 37, 22], Operations: ['52-30=22'] Exploring Operation: 38-37=1, Resulting Numbers: [22, 1] Generated Node #3: [22, 1] from Operation: 38-37=1 Current State: 22:[22, 1], Operations: ['52-30=22', '38-37=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[30, 52, 38, 37], Operations: [] Exploring Operation: 52-37=15, Resulting Numbers: [30, 38, 15] Generated Node #0,0: 22:[30, 38, 15] Operation: 52-37=15 Exploring Operation: 52-38=14, Resulting Numbers: [30, 37, 14] Generated Node #0,1: 22:[30, 37, 14] Operation: 52-38=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[30, 37, 14], Operations: ['52-38=14'] Exploring Operation: 37-14=23, Resulting Numbers: [30, 23] Generated Node #0,1,0: 22:[30, 23] Operation: 37-14=23 Exploring Operation: 37-30=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 22:[14, 7] Operation: 37-30=7 Moving to Node #0,1,1 Current State: 22:[14, 7], Operations: ['52-38=14', '37-30=7'] Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[30, 23], Operations: ['52-38=14', '37-14=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[30, 38, 15], Operations: ['52-37=15'] Exploring Operation: 38-15=23, Resulting Numbers: [30, 23] Generated Node #0,0,0: 22:[30, 23] Operation: 38-15=23 Exploring Operation: 38-30=8, Resulting Numbers: [15, 8] Generated Node #0,0,1: 22:[15, 8] Operation: 38-30=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[15, 8], Operations: ['52-37=15', '38-30=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,22 unequal: No Solution No 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: 22:[30, 23], Operations: ['52-37=15', '38-15=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,22 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
[ 13, 90, 62, 47 ]
45
[ "62-13=49", "49-47=2", "90/2=45" ]
Current State: 45:[13, 90, 62, 47], Operations: [] Exploring Operation: 62-13=49, Resulting Numbers: [90, 47, 49] Generated Node #2: [90, 47, 49] from Operation: 62-13=49 Current State: 45:[90, 47, 49], Operations: ['62-13=49'] Exploring Operation: 49-47=2, Resulting Numbers: [90, 2] Generated Node #3: [90, 2] from Operation: 49-47=2 Current State: 45:[90, 2], Operations: ['62-13=49', '49-47=2'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[13, 90, 62, 47], Operations: [] Exploring Operation: 90-47=43, Resulting Numbers: [13, 62, 43] Generated Node #0,0: 45:[13, 62, 43] Operation: 90-47=43 Exploring Operation: 90-62=28, Resulting Numbers: [13, 47, 28] Generated Node #0,1: 45:[13, 47, 28] Operation: 90-62=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[13, 47, 28], Operations: ['90-62=28'] Exploring Operation: 28-13=15, Resulting Numbers: [47, 15] Generated Node #0,1,0: 45:[47, 15] Operation: 28-13=15 Exploring Operation: 13+28=41, Resulting Numbers: [47, 41] Generated Node #0,1,1: 45:[47, 41] Operation: 13+28=41 Moving to Node #0,1,0 Current State: 45:[47, 15], Operations: ['90-62=28', '28-13=15'] Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 47+15=62, Resulting Numbers: [62] 62,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[47, 41], Operations: ['90-62=28', '13+28=41'] Exploring Operation: 47+41=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 47-41=6, Resulting Numbers: [6] 6,45 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 #0,0 Current State: 45:[13, 62, 43], Operations: ['90-47=43'] Exploring Operation: 62-43=19, Resulting Numbers: [13, 19] Generated Node #0,0,0: 45:[13, 19] Operation: 62-43=19 Exploring Operation: 62-13=49, Resulting Numbers: [43, 49] Generated Node #0,0,1: 45:[43, 49] Operation: 62-13=49 Moving to Node #0,0,0 Current State: 45:[13, 19], Operations: ['90-47=43', '62-43=19'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[43, 49], Operations: ['90-47=43', '62-13=49'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 61, 12, 70, 67 ]
35
[ "67-61=6", "12/6=2", "70/2=35" ]
Current State: 35:[61, 12, 70, 67], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [12, 70, 6] Generated Node #2: [12, 70, 6] from Operation: 67-61=6 Current State: 35:[12, 70, 6], Operations: ['67-61=6'] Exploring Operation: 12/6=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 12/6=2 Current State: 35:[70, 2], Operations: ['67-61=6', '12/6=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[61, 12, 70, 67], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [12, 70, 6] Generated Node #0,0: 35:[12, 70, 6] Operation: 67-61=6 Exploring Operation: 70-67=3, Resulting Numbers: [61, 12, 3] Generated Node #0,1: 35:[61, 12, 3] Operation: 70-67=3 Exploring Operation: 70-61=9, Resulting Numbers: [12, 67, 9] Generated Node #0,2: 35:[12, 67, 9] Operation: 70-61=9 Moving to Node #0,1 Current State: 35:[61, 12, 3], Operations: ['70-67=3'] Exploring Operation: 61-12=49, Resulting Numbers: [3, 49] Generated Node #0,1,0: 35:[3, 49] Operation: 61-12=49 Exploring Operation: 12*3=36, Resulting Numbers: [61, 36] Generated Node #0,1,1: 35:[61, 36] Operation: 12*3=36 Exploring Operation: 12/3=4, Resulting Numbers: [61, 4] Generated Node #0,1,2: 35:[61, 4] Operation: 12/3=4 Moving to Node #0,2 Current State: 35:[12, 67, 9], Operations: ['70-61=9'] Exploring Operation: 67-9=58, Resulting Numbers: [12, 58] Generated Node #0,2,0: 35:[12, 58] Operation: 67-9=58 Exploring Operation: 12-9=3, Resulting Numbers: [67, 3] Generated Node #0,2,1: 35:[67, 3] Operation: 12-9=3 Exploring Operation: 67-12=55, Resulting Numbers: [9, 55] Generated Node #0,2,2: 35:[9, 55] Operation: 67-12=55 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[9, 55], Operations: ['70-61=9', '67-12=55'] Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,35 unequal: No Solution Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,35 unequal: No Solution Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[12, 58], Operations: ['70-61=9', '67-9=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,35 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,35 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,35 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 #0,2,1 Current State: 35:[67, 3], Operations: ['70-61=9', '12-9=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,35 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: 35:[12, 70, 6], Operations: ['67-61=6'] Exploring Operation: 70-6=64, Resulting Numbers: [12, 64] Generated Node #0,0,0: 35:[12, 64] Operation: 70-6=64 Exploring Operation: 12-6=6, Resulting Numbers: [70, 6] Generated Node #0,0,1: 35:[70, 6] Operation: 12-6=6 Exploring Operation: 70-12=58, Resulting Numbers: [6, 58] Generated Node #0,0,2: 35:[6, 58] Operation: 70-12=58 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[6, 58], Operations: ['67-61=6', '70-12=58'] Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 6*58=348, Resulting Numbers: [348] 348,35 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 #0,0,0 Current State: 35:[12, 64], Operations: ['67-61=6', '70-6=64'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,35 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 #0,0,1 Current State: 35:[70, 6], Operations: ['67-61=6', '12-6=6'] Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,35 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,35 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: 35:[3, 49], Operations: ['70-67=3', '61-12=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,35 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,35 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[61, 36], Operations: ['70-67=3', '12*3=36'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 61*36=2196, Resulting Numbers: [2196] 2196,35 unequal: No Solution Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[61, 4], Operations: ['70-67=3', '12/3=4'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 61+4=65, Resulting Numbers: [65] 65,35 unequal: No Solution Exploring Operation: 61*4=244, Resulting Numbers: [244] 244,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 12, 45, 28, 9 ]
52
[ "45-12=33", "28-9=19", "33+19=52" ]
Current State: 52:[12, 45, 28, 9], Operations: [] Exploring Operation: 45-12=33, Resulting Numbers: [28, 9, 33] Generated Node #2: [28, 9, 33] from Operation: 45-12=33 Current State: 52:[28, 9, 33], Operations: ['45-12=33'] Exploring Operation: 28-9=19, Resulting Numbers: [33, 19] Generated Node #3: [33, 19] from Operation: 28-9=19 Current State: 52:[33, 19], Operations: ['45-12=33', '28-9=19'] Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[12, 45, 28, 9], Operations: [] Exploring Operation: 45/9=5, Resulting Numbers: [12, 28, 5] Generated Node #0,0: 52:[12, 28, 5] Operation: 45/9=5 Exploring Operation: 45-28=17, Resulting Numbers: [12, 9, 17] Generated Node #0,1: 52:[12, 9, 17] Operation: 45-28=17 Exploring Operation: 45+9=54, Resulting Numbers: [12, 28, 54] Generated Node #0,2: 52:[12, 28, 54] Operation: 45+9=54 Exploring Operation: 12+45=57, Resulting Numbers: [28, 9, 57] Generated Node #0,3: 52:[28, 9, 57] Operation: 12+45=57 Exploring Operation: 12-9=3, Resulting Numbers: [45, 28, 3] Generated Node #0,4: 52:[45, 28, 3] Operation: 12-9=3 Moving to Node #0,0 Current State: 52:[12, 28, 5], Operations: ['45/9=5'] Exploring Operation: 28-5=23, Resulting Numbers: [12, 23] Generated Node #0,0,0: 52:[12, 23] Operation: 28-5=23 Exploring Operation: 12-5=7, Resulting Numbers: [28, 7] Generated Node #0,0,1: 52:[28, 7] Operation: 12-5=7 Exploring Operation: 28-12=16, Resulting Numbers: [5, 16] Generated Node #0,0,2: 52:[5, 16] Operation: 28-12=16 Exploring Operation: 28+5=33, Resulting Numbers: [12, 33] Generated Node #0,0,3: 52:[12, 33] Operation: 28+5=33 Exploring Operation: 12+5=17, Resulting Numbers: [28, 17] Generated Node #0,0,4: 52:[28, 17] Operation: 12+5=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[12, 23], Operations: ['45/9=5', '28-5=23'] Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,52 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 12+23=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 #0,0,2 Current State: 52:[5, 16], Operations: ['45/9=5', '28-12=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,52 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 #0,0,1 Current State: 52:[28, 7], Operations: ['45/9=5', '12-5=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,52 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:[28, 17], Operations: ['45/9=5', '12+5=17'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,52 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:[12, 33], Operations: ['45/9=5', '28+5=33'] Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,52 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,52 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:[12, 28, 54], Operations: ['45+9=54'] Exploring Operation: 28-12=16, Resulting Numbers: [54, 16] Generated Node #0,2,0: 52:[54, 16] Operation: 28-12=16 Exploring Operation: 54-28=26, Resulting Numbers: [12, 26] Generated Node #0,2,1: 52:[12, 26] Operation: 54-28=26 Exploring Operation: 12+54=66, Resulting Numbers: [28, 66] Generated Node #0,2,2: 52:[28, 66] Operation: 12+54=66 Exploring Operation: 12+28=40, Resulting Numbers: [54, 40] Generated Node #0,2,3: 52:[54, 40] Operation: 12+28=40 Exploring Operation: 54-12=42, Resulting Numbers: [28, 42] Generated Node #0,2,4: 52:[28, 42] Operation: 54-12=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[12, 26], Operations: ['45+9=54', '54-28=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,52 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,52 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 #0,2,0 Current State: 52:[54, 16], Operations: ['45+9=54', '28-12=16'] Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,52 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,52 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 #0,2,4 Current State: 52:[28, 42], Operations: ['45+9=54', '54-12=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,52 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 #0,2,3 Current State: 52:[54, 40], Operations: ['45+9=54', '12+28=40'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 54*40=2160, Resulting Numbers: [2160] 2160,52 unequal: No Solution Exploring Operation: 54+40=94, Resulting Numbers: [94] 94,52 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 #0,2,2 Current State: 52:[28, 66], Operations: ['45+9=54', '12+54=66'] Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,52 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,52 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: 52:[12, 9, 17], Operations: ['45-28=17'] Exploring Operation: 17-9=8, Resulting Numbers: [12, 8] Generated Node #0,1,0: 52:[12, 8] Operation: 17-9=8 Exploring Operation: 9+17=26, Resulting Numbers: [12, 26] Generated Node #0,1,1: 52:[12, 26] Operation: 9+17=26 Exploring Operation: 12+17=29, Resulting Numbers: [9, 29] Generated Node #0,1,2: 52:[9, 29] Operation: 12+17=29 Exploring Operation: 12-9=3, Resulting Numbers: [17, 3] Generated Node #0,1,3: 52:[17, 3] Operation: 12-9=3 Exploring Operation: 17-12=5, Resulting Numbers: [9, 5] Generated Node #0,1,4: 52:[9, 5] Operation: 17-12=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[12, 26], Operations: ['45-28=17', '9+17=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,52 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,52 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:[12, 8], Operations: ['45-28=17', '17-9=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,52 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:[17, 3], Operations: ['45-28=17', '12-9=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,52 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:[9, 5], Operations: ['45-28=17', '17-12=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,52 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:[9, 29], Operations: ['45-28=17', '12+17=29'] Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,52 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,52 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:[45, 28, 3], Operations: ['12-9=3'] Exploring Operation: 28-3=25, Resulting Numbers: [45, 25] Generated Node #0,4,0: 52:[45, 25] Operation: 28-3=25 Exploring Operation: 45/3=15, Resulting Numbers: [28, 15] Generated Node #0,4,1: 52:[28, 15] Operation: 45/3=15 Exploring Operation: 45+3=48, Resulting Numbers: [28, 48] Generated Node #0,4,2: 52:[28, 48] Operation: 45+3=48 Exploring Operation: 45-3=42, Resulting Numbers: [28, 42] Generated Node #0,4,3: 52:[28, 42] Operation: 45-3=42 Exploring Operation: 45-28=17, Resulting Numbers: [3, 17] Generated Node #0,4,4: 52:[3, 17] Operation: 45-28=17 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[28, 15], Operations: ['12-9=3', '45/3=15'] Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 28*15=420, Resulting Numbers: [420] 420,52 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:[3, 17], Operations: ['12-9=3', '45-28=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,52 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 #0,4,2 Current State: 52:[28, 48], Operations: ['12-9=3', '45+3=48'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,52 unequal: No Solution Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,52 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:[45, 25], Operations: ['12-9=3', '28-3=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,52 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:[28, 42], Operations: ['12-9=3', '45-3=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,52 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:[28, 9, 57], Operations: ['12+45=57'] Exploring Operation: 57-9=48, Resulting Numbers: [28, 48] Generated Node #0,3,0: 52:[28, 48] Operation: 57-9=48 Exploring Operation: 28+9=37, Resulting Numbers: [57, 37] Generated Node #0,3,1: 52:[57, 37] Operation: 28+9=37 Exploring Operation: 9+57=66, Resulting Numbers: [28, 66] Generated Node #0,3,2: 52:[28, 66] Operation: 9+57=66 Exploring Operation: 57-28=29, Resulting Numbers: [9, 29] Generated Node #0,3,3: 52:[9, 29] Operation: 57-28=29 Exploring Operation: 28-9=19, Resulting Numbers: [57, 19] Generated Node #0,3,4: 52:[57, 19] Operation: 28-9=19 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[28, 48], Operations: ['12+45=57', '57-9=48'] Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[9, 29], Operations: ['12+45=57', '57-28=29'] Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 52:[57, 19], Operations: ['12+45=57', '28-9=19'] Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,52 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[57, 37], Operations: ['12+45=57', '28+9=37'] Exploring Operation: 57*37=2109, Resulting Numbers: [2109] 2109,52 unequal: No Solution Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 57+37=94, Resulting Numbers: [94] 94,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[28, 66], Operations: ['12+45=57', '9+57=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,52 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,52 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
[ 80, 27, 36, 90 ]
78
[ "90-36=54", "54/27=2", "80-2=78" ]
Current State: 78:[80, 27, 36, 90], Operations: [] Exploring Operation: 90-36=54, Resulting Numbers: [80, 27, 54] Generated Node #2: [80, 27, 54] from Operation: 90-36=54 Current State: 78:[80, 27, 54], Operations: ['90-36=54'] Exploring Operation: 54/27=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 54/27=2 Current State: 78:[80, 2], Operations: ['90-36=54', '54/27=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[80, 27, 36, 90], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [27, 90, 44] Generated Node #0,0: 78:[27, 90, 44] Operation: 80-36=44 Exploring Operation: 36-27=9, Resulting Numbers: [80, 90, 9] Generated Node #0,1: 78:[80, 90, 9] Operation: 36-27=9 Exploring Operation: 90-36=54, Resulting Numbers: [80, 27, 54] Generated Node #0,2: 78:[80, 27, 54] Operation: 90-36=54 Exploring Operation: 90-27=63, Resulting Numbers: [80, 36, 63] Generated Node #0,3: 78:[80, 36, 63] Operation: 90-27=63 Exploring Operation: 90-80=10, Resulting Numbers: [27, 36, 10] Generated Node #0,4: 78:[27, 36, 10] Operation: 90-80=10 Moving to Node #0,4 Current State: 78:[27, 36, 10], Operations: ['90-80=10'] Exploring Operation: 27-10=17, Resulting Numbers: [36, 17] Generated Node #0,4,0: 78:[36, 17] Operation: 27-10=17 Exploring Operation: 36+10=46, Resulting Numbers: [27, 46] Generated Node #0,4,1: 78:[27, 46] Operation: 36+10=46 Exploring Operation: 27+10=37, Resulting Numbers: [36, 37] Generated Node #0,4,2: 78:[36, 37] Operation: 27+10=37 Exploring Operation: 36-10=26, Resulting Numbers: [27, 26] Generated Node #0,4,3: 78:[27, 26] Operation: 36-10=26 Exploring Operation: 36-27=9, Resulting Numbers: [10, 9] Generated Node #0,4,4: 78:[10, 9] Operation: 36-27=9 Moving to Node #0,1 Current State: 78:[80, 90, 9], Operations: ['36-27=9'] Exploring Operation: 90-80=10, Resulting Numbers: [9, 10] Generated Node #0,1,0: 78:[9, 10] Operation: 90-80=10 Exploring Operation: 90-9=81, Resulting Numbers: [80, 81] Generated Node #0,1,1: 78:[80, 81] Operation: 90-9=81 Exploring Operation: 80+9=89, Resulting Numbers: [90, 89] Generated Node #0,1,2: 78:[90, 89] Operation: 80+9=89 Exploring Operation: 90/9=10, Resulting Numbers: [80, 10] Generated Node #0,1,3: 78:[80, 10] Operation: 90/9=10 Exploring Operation: 80-9=71, Resulting Numbers: [90, 71] Generated Node #0,1,4: 78:[90, 71] Operation: 80-9=71 Moving to Node #0,0 Current State: 78:[27, 90, 44], Operations: ['80-36=44'] Exploring Operation: 90-44=46, Resulting Numbers: [27, 46] Generated Node #0,0,0: 78:[27, 46] Operation: 90-44=46 Exploring Operation: 27+90=117, Resulting Numbers: [44, 117] Generated Node #0,0,1: 78:[44, 117] Operation: 27+90=117 Exploring Operation: 27+44=71, Resulting Numbers: [90, 71] Generated Node #0,0,2: 78:[90, 71] Operation: 27+44=71 Exploring Operation: 90-27=63, Resulting Numbers: [44, 63] Generated Node #0,0,3: 78:[44, 63] Operation: 90-27=63 Exploring Operation: 44-27=17, Resulting Numbers: [90, 17] Generated Node #0,0,4: 78:[90, 17] Operation: 44-27=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[27, 46], Operations: ['80-36=44', '90-44=46'] Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,78 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,78 unequal: No Solution No 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: 78:[90, 17], Operations: ['80-36=44', '44-27=17'] Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,78 unequal: No Solution Exploring Operation: 90+17=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 90*17=1530, Resulting Numbers: [1530] 1530,78 unequal: No Solution No 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: 78:[90, 71], Operations: ['80-36=44', '27+44=71'] Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,78 unequal: No Solution Exploring Operation: 90*71=6390, Resulting Numbers: [6390] 6390,78 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,78 unequal: No Solution No 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: 78:[44, 63], Operations: ['80-36=44', '90-27=63'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 44+63=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 44*63=2772, Resulting Numbers: [2772] 2772,78 unequal: No Solution No 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: 78:[44, 117], Operations: ['80-36=44', '27+90=117'] Exploring Operation: 44+117=161, Resulting Numbers: [161] 161,78 unequal: No Solution Exploring Operation: 117-44=73, Resulting Numbers: [73] 73,78 unequal: No Solution Exploring Operation: 44*117=5148, Resulting Numbers: [5148] 5148,78 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: 78:[80, 27, 54], Operations: ['90-36=54'] Exploring Operation: 80-27=53, Resulting Numbers: [54, 53] Generated Node #0,2,0: 78:[54, 53] Operation: 80-27=53 Exploring Operation: 54-27=27, Resulting Numbers: [80, 27] Generated Node #0,2,1: 78:[80, 27] Operation: 54-27=27 Exploring Operation: 54/27=2, Resulting Numbers: [80, 2] Generated Node #0,2,2: 78:[80, 2] Operation: 54/27=2 Exploring Operation: 27+54=81, Resulting Numbers: [80, 81] Generated Node #0,2,3: 78:[80, 81] Operation: 27+54=81 Exploring Operation: 80-54=26, Resulting Numbers: [27, 26] Generated Node #0,2,4: 78:[27, 26] Operation: 80-54=26 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 78:[27, 26], Operations: ['90-36=54', '80-54=26'] Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[80, 2], Operations: ['90-36=54', '54/27=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,78 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,78 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,78 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[80, 27, 36, 90], Operations: [] Exploring Operation: 90-36=54, Resulting Numbers: [80, 27, 54] Generated Node #0,2: 78:[80, 27, 54] Operation: 90-36=54 Moving to Node #0,2 Current State: 78:[80, 27, 54], Operations: ['90-36=54'] Exploring Operation: 54/27=2, Resulting Numbers: [80, 2] Generated Node #0,2,2: 78:[80, 2] Operation: 54/27=2 Moving to Node #0,2,2 Current State: 78:[80, 2], Operations: ['90-36=54', '54/27=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_5
sum_heuristic
[ 80, 93, 99, 95 ]
52
[ "93-80=13", "99-95=4", "13*4=52" ]
Current State: 52:[80, 93, 99, 95], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [99, 95, 13] Generated Node #2: [99, 95, 13] from Operation: 93-80=13 Current State: 52:[99, 95, 13], Operations: ['93-80=13'] Exploring Operation: 99-95=4, Resulting Numbers: [13, 4] Generated Node #3: [13, 4] from Operation: 99-95=4 Current State: 52:[13, 4], Operations: ['93-80=13', '99-95=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[80, 93, 99, 95], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [80, 93, 4] Generated Node #0,0: 52:[80, 93, 4] Operation: 99-95=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[80, 93, 4], Operations: ['99-95=4'] Exploring Operation: 93-80=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 93-80=13 Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['99-95=4', '93-80=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[80, 93, 99, 95], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [80, 93, 4] Generated Node #0,0: 52:[80, 93, 4] Operation: 99-95=4 Moving to Node #0,0 Current State: 52:[80, 93, 4], Operations: ['99-95=4'] Exploring Operation: 93-80=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 93-80=13 Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['99-95=4', '93-80=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 76, 91, 6, 41 ]
79
[ "76+91=167", "6*41=246", "246-167=79" ]
Current State: 79:[76, 91, 6, 41], Operations: [] Exploring Operation: 76+91=167, Resulting Numbers: [6, 41, 167] Generated Node #2: [6, 41, 167] from Operation: 76+91=167 Current State: 79:[6, 41, 167], Operations: ['76+91=167'] Exploring Operation: 6*41=246, Resulting Numbers: [167, 246] Generated Node #3: [167, 246] from Operation: 6*41=246 Current State: 79:[167, 246], Operations: ['76+91=167', '6*41=246'] Exploring Operation: 246-167=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[76, 91, 6, 41], Operations: [] Exploring Operation: 6+41=47, Resulting Numbers: [76, 91, 47] Generated Node #0,0: 79:[76, 91, 47] Operation: 6+41=47 Exploring Operation: 76-6=70, Resulting Numbers: [91, 41, 70] Generated Node #0,1: 79:[91, 41, 70] Operation: 76-6=70 Exploring Operation: 76+6=82, Resulting Numbers: [91, 41, 82] Generated Node #0,2: 79:[91, 41, 82] Operation: 76+6=82 Exploring Operation: 91+6=97, Resulting Numbers: [76, 41, 97] Generated Node #0,3: 79:[76, 41, 97] Operation: 91+6=97 Exploring Operation: 91-6=85, Resulting Numbers: [76, 41, 85] Generated Node #0,4: 79:[76, 41, 85] Operation: 91-6=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[76, 91, 47], Operations: ['6+41=47'] Exploring Operation: 91+47=138, Resulting Numbers: [76, 138] Generated Node #0,0,0: 79:[76, 138] Operation: 91+47=138 Exploring Operation: 91-76=15, Resulting Numbers: [47, 15] Generated Node #0,0,1: 79:[47, 15] Operation: 91-76=15 Exploring Operation: 76-47=29, Resulting Numbers: [91, 29] Generated Node #0,0,2: 79:[91, 29] Operation: 76-47=29 Exploring Operation: 76+47=123, Resulting Numbers: [91, 123] Generated Node #0,0,3: 79:[91, 123] Operation: 76+47=123 Exploring Operation: 91-47=44, Resulting Numbers: [76, 44] Generated Node #0,0,4: 79:[76, 44] Operation: 91-47=44 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 79:[76, 44], Operations: ['6+41=47', '91-47=44'] Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,79 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[91, 123], Operations: ['6+41=47', '76+47=123'] Exploring Operation: 91+123=214, Resulting Numbers: [214] 214,79 unequal: No Solution Exploring Operation: 91*123=11193, Resulting Numbers: [11193] 11193,79 unequal: No Solution Exploring Operation: 123-91=32, Resulting Numbers: [32] 32,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[76, 138], Operations: ['6+41=47', '91+47=138'] Exploring Operation: 76*138=10488, Resulting Numbers: [10488] 10488,79 unequal: No Solution Exploring Operation: 76+138=214, Resulting Numbers: [214] 214,79 unequal: No Solution Exploring Operation: 138-76=62, Resulting Numbers: [62] 62,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[91, 29], Operations: ['6+41=47', '76-47=29'] Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 91*29=2639, Resulting Numbers: [2639] 2639,79 unequal: No Solution Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[47, 15], Operations: ['6+41=47', '91-76=15'] Exploring Operation: 47+15=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 47*15=705, Resulting Numbers: [705] 705,79 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[76, 41, 85], Operations: ['91-6=85'] Exploring Operation: 85-76=9, Resulting Numbers: [41, 9] Generated Node #0,4,0: 79:[41, 9] Operation: 85-76=9 Exploring Operation: 76+41=117, Resulting Numbers: [85, 117] Generated Node #0,4,1: 79:[85, 117] Operation: 76+41=117 Exploring Operation: 76-41=35, Resulting Numbers: [85, 35] Generated Node #0,4,2: 79:[85, 35] Operation: 76-41=35 Exploring Operation: 85-41=44, Resulting Numbers: [76, 44] Generated Node #0,4,3: 79:[76, 44] Operation: 85-41=44 Exploring Operation: 41+85=126, Resulting Numbers: [76, 126] Generated Node #0,4,4: 79:[76, 126] Operation: 41+85=126 Moving to Node #0,4,3 Current State: 79:[76, 44], Operations: ['91-6=85', '85-41=44'] Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,79 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[85, 117], Operations: ['91-6=85', '76+41=117'] Exploring Operation: 85+117=202, Resulting Numbers: [202] 202,79 unequal: No Solution Exploring Operation: 85*117=9945, Resulting Numbers: [9945] 9945,79 unequal: No Solution Exploring Operation: 117-85=32, Resulting Numbers: [32] 32,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[85, 35], Operations: ['91-6=85', '76-41=35'] Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,79 unequal: No Solution Exploring Operation: 85+35=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 85*35=2975, Resulting Numbers: [2975] 2975,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[76, 126], Operations: ['91-6=85', '41+85=126'] Exploring Operation: 76*126=9576, Resulting Numbers: [9576] 9576,79 unequal: No Solution Exploring Operation: 76+126=202, Resulting Numbers: [202] 202,79 unequal: No Solution Exploring Operation: 126-76=50, Resulting Numbers: [50] 50,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[41, 9], Operations: ['91-6=85', '85-76=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,79 unequal: No Solution Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,79 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[91, 41, 82], Operations: ['76+6=82'] Exploring Operation: 82-41=41, Resulting Numbers: [91, 41] Generated Node #0,2,0: 79:[91, 41] Operation: 82-41=41 Exploring Operation: 91+41=132, Resulting Numbers: [82, 132] Generated Node #0,2,1: 79:[82, 132] Operation: 91+41=132 Exploring Operation: 41+82=123, Resulting Numbers: [91, 123] Generated Node #0,2,2: 79:[91, 123] Operation: 41+82=123 Exploring Operation: 82/41=2, Resulting Numbers: [91, 2] Generated Node #0,2,3: 79:[91, 2] Operation: 82/41=2 Exploring Operation: 91-41=50, Resulting Numbers: [82, 50] Generated Node #0,2,4: 79:[82, 50] Operation: 91-41=50 Moving to Node #0,2,4 Current State: 79:[82, 50], Operations: ['76+6=82', '91-41=50'] Exploring Operation: 82+50=132, Resulting Numbers: [132] 132,79 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 82*50=4100, Resulting Numbers: [4100] 4100,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[91, 41], Operations: ['76+6=82', '82-41=41'] Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,79 unequal: No Solution Exploring Operation: 91+41=132, Resulting Numbers: [132] 132,79 unequal: No Solution Exploring Operation: 91*41=3731, Resulting Numbers: [3731] 3731,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[82, 132], Operations: ['76+6=82', '91+41=132'] Exploring Operation: 132-82=50, Resulting Numbers: [50] 50,79 unequal: No Solution Exploring Operation: 82*132=10824, Resulting Numbers: [10824] 10824,79 unequal: No Solution Exploring Operation: 82+132=214, Resulting Numbers: [214] 214,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[91, 123], Operations: ['76+6=82', '41+82=123'] Exploring Operation: 91*123=11193, Resulting Numbers: [11193] 11193,79 unequal: No Solution Exploring Operation: 91+123=214, Resulting Numbers: [214] 214,79 unequal: No Solution Exploring Operation: 123-91=32, Resulting Numbers: [32] 32,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[91, 2], Operations: ['76+6=82', '82/41=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,79 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[91, 41, 70], Operations: ['76-6=70'] Exploring Operation: 41+70=111, Resulting Numbers: [91, 111] Generated Node #0,1,0: 79:[91, 111] Operation: 41+70=111 Exploring Operation: 91-70=21, Resulting Numbers: [41, 21] Generated Node #0,1,1: 79:[41, 21] Operation: 91-70=21 Exploring Operation: 91+41=132, Resulting Numbers: [70, 132] Generated Node #0,1,2: 79:[70, 132] Operation: 91+41=132 Exploring Operation: 91-41=50, Resulting Numbers: [70, 50] Generated Node #0,1,3: 79:[70, 50] Operation: 91-41=50 Exploring Operation: 70-41=29, Resulting Numbers: [91, 29] Generated Node #0,1,4: 79:[91, 29] Operation: 70-41=29 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 79:[70, 50], Operations: ['76-6=70', '91-41=50'] Exploring Operation: 70+50=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 70*50=3500, Resulting Numbers: [3500] 3500,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[91, 111], Operations: ['76-6=70', '41+70=111'] Exploring Operation: 111-91=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 91+111=202, Resulting Numbers: [202] 202,79 unequal: No Solution Exploring Operation: 91*111=10101, Resulting Numbers: [10101] 10101,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[70, 132], Operations: ['76-6=70', '91+41=132'] Exploring Operation: 70*132=9240, Resulting Numbers: [9240] 9240,79 unequal: No Solution Exploring Operation: 132-70=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 70+132=202, Resulting Numbers: [202] 202,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 79:[91, 29], Operations: ['76-6=70', '70-41=29'] Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 91*29=2639, Resulting Numbers: [2639] 2639,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[41, 21], Operations: ['76-6=70', '91-70=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[76, 41, 97], Operations: ['91+6=97'] Exploring Operation: 76-41=35, Resulting Numbers: [97, 35] Generated Node #0,3,0: 79:[97, 35] Operation: 76-41=35 Exploring Operation: 97-41=56, Resulting Numbers: [76, 56] Generated Node #0,3,1: 79:[76, 56] Operation: 97-41=56 Exploring Operation: 41+97=138, Resulting Numbers: [76, 138] Generated Node #0,3,2: 79:[76, 138] Operation: 41+97=138 Exploring Operation: 97-76=21, Resulting Numbers: [41, 21] Generated Node #0,3,3: 79:[41, 21] Operation: 97-76=21 Exploring Operation: 76+41=117, Resulting Numbers: [97, 117] Generated Node #0,3,4: 79:[97, 117] Operation: 76+41=117 Moving to Node #0,3,1 Current State: 79:[76, 56], Operations: ['91+6=97', '97-41=56'] Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 76*56=4256, Resulting Numbers: [4256] 4256,79 unequal: No Solution Exploring Operation: 76+56=132, Resulting Numbers: [132] 132,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[97, 117], Operations: ['91+6=97', '76+41=117'] Exploring Operation: 117-97=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 97*117=11349, Resulting Numbers: [11349] 11349,79 unequal: No Solution Exploring Operation: 97+117=214, Resulting Numbers: [214] 214,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[97, 35], Operations: ['91+6=97', '76-41=35'] Exploring Operation: 97-35=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 97+35=132, Resulting Numbers: [132] 132,79 unequal: No Solution Exploring Operation: 97*35=3395, Resulting Numbers: [3395] 3395,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[76, 138], Operations: ['91+6=97', '41+97=138'] Exploring Operation: 138-76=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 76+138=214, Resulting Numbers: [214] 214,79 unequal: No Solution Exploring Operation: 76*138=10488, Resulting Numbers: [10488] 10488,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[41, 21], Operations: ['91+6=97', '97-76=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 81, 80, 72, 29 ]
61
[ "81*80=6480", "6480/72=90", "90-29=61" ]
Current State: 61:[81, 80, 72, 29], Operations: [] Exploring Operation: 81*80=6480, Resulting Numbers: [72, 29, 6480] Generated Node #2: [72, 29, 6480] from Operation: 81*80=6480 Current State: 61:[72, 29, 6480], Operations: ['81*80=6480'] Exploring Operation: 6480/72=90, Resulting Numbers: [29, 90] Generated Node #3: [29, 90] from Operation: 6480/72=90 Current State: 61:[29, 90], Operations: ['81*80=6480', '6480/72=90'] Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[81, 80, 72, 29], Operations: [] Exploring Operation: 81-29=52, Resulting Numbers: [80, 72, 52] Generated Node #0,0: 61:[80, 72, 52] Operation: 81-29=52 Moving to Node #0,0 Current State: 61:[80, 72, 52], Operations: ['81-29=52'] Exploring Operation: 80-52=28, Resulting Numbers: [72, 28] Generated Node #0,0,0: 61:[72, 28] Operation: 80-52=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[72, 28], Operations: ['81-29=52', '80-52=28'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,61 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
[ 23, 22, 39, 83 ]
43
[ "23-22=1", "83-39=44", "44-1=43" ]
Current State: 43:[23, 22, 39, 83], Operations: [] Exploring Operation: 23-22=1, Resulting Numbers: [39, 83, 1] Generated Node #2: [39, 83, 1] from Operation: 23-22=1 Current State: 43:[39, 83, 1], Operations: ['23-22=1'] Exploring Operation: 83-39=44, Resulting Numbers: [1, 44] Generated Node #3: [1, 44] from Operation: 83-39=44 Current State: 43:[1, 44], Operations: ['23-22=1', '83-39=44'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[23, 22, 39, 83], Operations: [] Exploring Operation: 83-39=44, Resulting Numbers: [23, 22, 44] Generated Node #0,0: 43:[23, 22, 44] Operation: 83-39=44 Exploring Operation: 83-22=61, Resulting Numbers: [23, 39, 61] Generated Node #0,1: 43:[23, 39, 61] Operation: 83-22=61 Exploring Operation: 83-23=60, Resulting Numbers: [22, 39, 60] Generated Node #0,2: 43:[22, 39, 60] Operation: 83-23=60 Moving to Node #0,0 Current State: 43:[23, 22, 44], Operations: ['83-39=44'] Exploring Operation: 44-22=22, Resulting Numbers: [23, 22] Generated Node #0,0,0: 43:[23, 22] Operation: 44-22=22 Exploring Operation: 23+22=45, Resulting Numbers: [44, 45] Generated Node #0,0,1: 43:[44, 45] Operation: 23+22=45 Exploring Operation: 23-22=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 43:[44, 1] Operation: 23-22=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[44, 45], Operations: ['83-39=44', '23+22=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[23, 22], Operations: ['83-39=44', '44-22=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,43 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,43 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[44, 1], Operations: ['83-39=44', '23-22=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[23, 22, 39, 83], Operations: [] Exploring Operation: 83-39=44, Resulting Numbers: [23, 22, 44] Generated Node #0,0: 43:[23, 22, 44] Operation: 83-39=44 Moving to Node #0,0 Current State: 43:[23, 22, 44], Operations: ['83-39=44'] Exploring Operation: 23-22=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 43:[44, 1] Operation: 23-22=1 Moving to Node #0,0,2 Current State: 43:[44, 1], Operations: ['83-39=44', '23-22=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 42, 45, 47, 47 ]
68
[ "47-45=2", "42/2=21", "47+21=68" ]
Current State: 68:[42, 45, 47, 47], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [42, 2] Generated Node #2: [42, 2] from Operation: 47-45=2 Current State: 68:[42, 2], Operations: ['47-45=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,68 equal: Goal Reached Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[42, 45, 47, 47], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [42, 47, 2] Generated Node #0,0: 68:[42, 47, 2] Operation: 47-45=2 Exploring Operation: 47/47=1, Resulting Numbers: [42, 45, 1] Generated Node #0,1: 68:[42, 45, 1] Operation: 47/47=1 Exploring Operation: 47-42=5, Resulting Numbers: [45, 47, 5] Generated Node #0,2: 68:[45, 47, 5] Operation: 47-42=5 Exploring Operation: 47-45=2, Resulting Numbers: [42, 47, 2] Generated Node #0,3: 68:[42, 47, 2] Operation: 47-45=2 Exploring Operation: 47-47=0, Resulting Numbers: [42, 45, 0] Generated Node #0,4: 68:[42, 45, 0] Operation: 47-47=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[42, 45, 1], Operations: ['47/47=1'] Exploring Operation: 45-42=3, Resulting Numbers: [1, 3] Generated Node #0,1,0: 68:[1, 3] Operation: 45-42=3 Exploring Operation: 42-1=41, Resulting Numbers: [45, 41] Generated Node #0,1,1: 68:[45, 41] Operation: 42-1=41 Exploring Operation: 42*1=42, Resulting Numbers: [45, 42] Generated Node #0,1,2: 68:[45, 42] Operation: 42*1=42 Exploring Operation: 42/1=42, Resulting Numbers: [45, 42] Generated Node #0,1,3: 68:[45, 42] Operation: 42/1=42 Exploring Operation: 45-1=44, Resulting Numbers: [42, 44] Generated Node #0,1,4: 68:[42, 44] Operation: 45-1=44 Moving to Node #0,1,0 Current State: 68:[1, 3], Operations: ['47/47=1', '45-42=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[42, 44], Operations: ['47/47=1', '45-1=44'] Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,68 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,68 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[45, 41], Operations: ['47/47=1', '42-1=41'] Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 45*41=1845, Resulting Numbers: [1845] 1845,68 unequal: No Solution Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[45, 42], Operations: ['47/47=1', '42*1=42'] Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,68 unequal: No Solution Exploring Operation: 45*42=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[45, 42], Operations: ['47/47=1', '42/1=42'] Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 45*42=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,68 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 Current State: 68:[42, 47, 2], Operations: ['47-45=2'] Exploring Operation: 42/2=21, Resulting Numbers: [47, 21] Generated Node #0,0,0: 68:[47, 21] Operation: 42/2=21 Exploring Operation: 42-2=40, Resulting Numbers: [47, 40] Generated Node #0,0,1: 68:[47, 40] Operation: 42-2=40 Exploring Operation: 47-42=5, Resulting Numbers: [2, 5] Generated Node #0,0,2: 68:[2, 5] Operation: 47-42=5 Exploring Operation: 42+47=89, Resulting Numbers: [2, 89] Generated Node #0,0,3: 68:[2, 89] Operation: 42+47=89 Exploring Operation: 47-2=45, Resulting Numbers: [42, 45] Generated Node #0,0,4: 68:[42, 45] Operation: 47-2=45 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[2, 5], Operations: ['47-45=2', '47-42=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,68 unequal: No Solution No 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: 68:[47, 21], Operations: ['47-45=2', '42/2=21'] Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,68 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[42, 45, 47, 47], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [42, 47, 2] Generated Node #0,0: 68:[42, 47, 2] Operation: 47-45=2 Moving to Node #0,0 Current State: 68:[42, 47, 2], Operations: ['47-45=2'] Exploring Operation: 42/2=21, Resulting Numbers: [47, 21] Generated Node #0,0,0: 68:[47, 21] Operation: 42/2=21 Moving to Node #0,0,0 Current State: 68:[47, 21], Operations: ['47-45=2', '42/2=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 37, 21, 28, 84 ]
61
[ "37+21=58", "84/28=3", "58+3=61" ]
Current State: 61:[37, 21, 28, 84], Operations: [] Exploring Operation: 37+21=58, Resulting Numbers: [28, 84, 58] Generated Node #2: [28, 84, 58] from Operation: 37+21=58 Current State: 61:[28, 84, 58], Operations: ['37+21=58'] Exploring Operation: 84/28=3, Resulting Numbers: [58, 3] Generated Node #3: [58, 3] from Operation: 84/28=3 Current State: 61:[58, 3], Operations: ['37+21=58', '84/28=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[37, 21, 28, 84], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [37, 28, 63] Generated Node #0,0: 61:[37, 28, 63] Operation: 84-21=63 Exploring Operation: 21+28=49, Resulting Numbers: [37, 84, 49] Generated Node #0,1: 61:[37, 84, 49] Operation: 21+28=49 Exploring Operation: 37+21=58, Resulting Numbers: [28, 84, 58] Generated Node #0,2: 61:[28, 84, 58] Operation: 37+21=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[37, 28, 63], Operations: ['84-21=63'] Exploring Operation: 37+28=65, Resulting Numbers: [63, 65] Generated Node #0,0,0: 61:[63, 65] Operation: 37+28=65 Exploring Operation: 37-28=9, Resulting Numbers: [63, 9] Generated Node #0,0,1: 61:[63, 9] Operation: 37-28=9 Exploring Operation: 63-28=35, Resulting Numbers: [37, 35] Generated Node #0,0,2: 61:[37, 35] Operation: 63-28=35 Moving to Node #0,0,0 Current State: 61:[63, 65], Operations: ['84-21=63', '37+28=65'] Exploring Operation: 63+65=128, Resulting Numbers: [128] 128,61 unequal: No Solution Exploring Operation: 63*65=4095, Resulting Numbers: [4095] 4095,61 unequal: No Solution Exploring Operation: 65-63=2, Resulting Numbers: [2] 2,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[37, 35], Operations: ['84-21=63', '63-28=35'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[63, 9], Operations: ['84-21=63', '37-28=9'] Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[37, 84, 49], Operations: ['21+28=49'] Exploring Operation: 84-37=47, Resulting Numbers: [49, 47] Generated Node #0,1,0: 61:[49, 47] Operation: 84-37=47 Exploring Operation: 84-49=35, Resulting Numbers: [37, 35] Generated Node #0,1,1: 61:[37, 35] Operation: 84-49=35 Exploring Operation: 37+49=86, Resulting Numbers: [84, 86] Generated Node #0,1,2: 61:[84, 86] Operation: 37+49=86 Moving to Node #0,1,0 Current State: 61:[49, 47], Operations: ['21+28=49', '84-37=47'] Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,61 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,61 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[84, 86], Operations: ['21+28=49', '37+49=86'] Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 84*86=7224, Resulting Numbers: [7224] 7224,61 unequal: No Solution Exploring Operation: 84+86=170, Resulting Numbers: [170] 170,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[37, 35], Operations: ['21+28=49', '84-49=35'] Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,61 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[28, 84, 58], Operations: ['37+21=58'] Exploring Operation: 28+84=112, Resulting Numbers: [58, 112] Generated Node #0,2,0: 61:[58, 112] Operation: 28+84=112 Exploring Operation: 28+58=86, Resulting Numbers: [84, 86] Generated Node #0,2,1: 61:[84, 86] Operation: 28+58=86 Exploring Operation: 84-28=56, Resulting Numbers: [58, 56] Generated Node #0,2,2: 61:[58, 56] Operation: 84-28=56 Moving to Node #0,2,2 Current State: 61:[58, 56], Operations: ['37+21=58', '84-28=56'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[84, 86], Operations: ['37+21=58', '28+58=86'] Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 84*86=7224, Resulting Numbers: [7224] 7224,61 unequal: No Solution Exploring Operation: 84+86=170, Resulting Numbers: [170] 170,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[58, 112], Operations: ['37+21=58', '28+84=112'] Exploring Operation: 112-58=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 58*112=6496, Resulting Numbers: [6496] 6496,61 unequal: No Solution Exploring Operation: 58+112=170, Resulting Numbers: [170] 170,61 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
[ 47, 2, 50, 45 ]
87
[ "50-47=3", "2*45=90", "90-3=87" ]
Current State: 87:[47, 2, 50, 45], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [2, 45, 3] Generated Node #2: [2, 45, 3] from Operation: 50-47=3 Current State: 87:[2, 45, 3], Operations: ['50-47=3'] Exploring Operation: 2*45=90, Resulting Numbers: [3, 90] Generated Node #3: [3, 90] from Operation: 2*45=90 Current State: 87:[3, 90], Operations: ['50-47=3', '2*45=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[47, 2, 50, 45], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [2, 45, 3] Generated Node #0,0: 87:[2, 45, 3] Operation: 50-47=3 Moving to Node #0,0 Current State: 87:[2, 45, 3], Operations: ['50-47=3'] Exploring Operation: 2*45=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 87:[3, 90] Operation: 2*45=90 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[3, 90], Operations: ['50-47=3', '2*45=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[47, 2, 50, 45], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [2, 45, 3] Generated Node #0,0: 87:[2, 45, 3] Operation: 50-47=3 Moving to Node #0,0 Current State: 87:[2, 45, 3], Operations: ['50-47=3'] Exploring Operation: 2*45=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 87:[3, 90] Operation: 2*45=90 Moving to Node #0,0,0 Current State: 87:[3, 90], Operations: ['50-47=3', '2*45=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 1, 96, 27, 20 ]
50
[ "1+96=97", "27+20=47", "97-47=50" ]
Current State: 50:[1, 96, 27, 20], Operations: [] Exploring Operation: 1+96=97, Resulting Numbers: [27, 20, 97] Generated Node #2: [27, 20, 97] from Operation: 1+96=97 Current State: 50:[27, 20, 97], Operations: ['1+96=97'] Exploring Operation: 27+20=47, Resulting Numbers: [97, 47] Generated Node #3: [97, 47] from Operation: 27+20=47 Current State: 50:[97, 47], Operations: ['1+96=97', '27+20=47'] Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[1, 96, 27, 20], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [1, 96, 7] Generated Node #0,0: 50:[1, 96, 7] Operation: 27-20=7 Exploring Operation: 96-1=95, Resulting Numbers: [27, 20, 95] Generated Node #0,1: 50:[27, 20, 95] Operation: 96-1=95 Exploring Operation: 27+20=47, Resulting Numbers: [1, 96, 47] Generated Node #0,2: 50:[1, 96, 47] Operation: 27+20=47 Exploring Operation: 96-20=76, Resulting Numbers: [1, 27, 76] Generated Node #0,3: 50:[1, 27, 76] Operation: 96-20=76 Exploring Operation: 96-27=69, Resulting Numbers: [1, 20, 69] Generated Node #0,4: 50:[1, 20, 69] Operation: 96-27=69 Moving to Node #0,4 Current State: 50:[1, 20, 69], Operations: ['96-27=69'] Exploring Operation: 20/1=20, Resulting Numbers: [69, 20] Generated Node #0,4,0: 50:[69, 20] Operation: 20/1=20 Exploring Operation: 1*20=20, Resulting Numbers: [69, 20] Generated Node #0,4,1: 50:[69, 20] Operation: 1*20=20 Exploring Operation: 69-1=68, Resulting Numbers: [20, 68] Generated Node #0,4,2: 50:[20, 68] Operation: 69-1=68 Exploring Operation: 1+20=21, Resulting Numbers: [69, 21] Generated Node #0,4,3: 50:[69, 21] Operation: 1+20=21 Exploring Operation: 69-20=49, Resulting Numbers: [1, 49] Generated Node #0,4,4: 50:[1, 49] Operation: 69-20=49 Moving to Node #0,3 Current State: 50:[1, 27, 76], Operations: ['96-20=76'] Exploring Operation: 27/1=27, Resulting Numbers: [76, 27] Generated Node #0,3,0: 50:[76, 27] Operation: 27/1=27 Exploring Operation: 27-1=26, Resulting Numbers: [76, 26] Generated Node #0,3,1: 50:[76, 26] Operation: 27-1=26 Exploring Operation: 76-27=49, Resulting Numbers: [1, 49] Generated Node #0,3,2: 50:[1, 49] Operation: 76-27=49 Exploring Operation: 76-1=75, Resulting Numbers: [27, 75] Generated Node #0,3,3: 50:[27, 75] Operation: 76-1=75 Exploring Operation: 1*27=27, Resulting Numbers: [76, 27] Generated Node #0,3,4: 50:[76, 27] Operation: 1*27=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[1, 49], Operations: ['96-20=76', '76-27=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[1, 96, 27, 20], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [1, 27, 76] Generated Node #0,3: 50:[1, 27, 76] Operation: 96-20=76 Moving to Node #0,3 Current State: 50:[1, 27, 76], Operations: ['96-20=76'] Exploring Operation: 76-27=49, Resulting Numbers: [1, 49] Generated Node #0,3,2: 50:[1, 49] Operation: 76-27=49 Moving to Node #0,3,2 Current State: 50:[1, 49], Operations: ['96-20=76', '76-27=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 38, 4, 83, 6 ]
93
[ "38+6=44", "4*44=176", "176-83=93" ]
Current State: 93:[38, 4, 83, 6], Operations: [] Exploring Operation: 38+6=44, Resulting Numbers: [4, 83, 44] Generated Node #2: [4, 83, 44] from Operation: 38+6=44 Current State: 93:[4, 83, 44], Operations: ['38+6=44'] Exploring Operation: 4*44=176, Resulting Numbers: [83, 176] Generated Node #3: [83, 176] from Operation: 4*44=176 Current State: 93:[83, 176], Operations: ['38+6=44', '4*44=176'] Exploring Operation: 176-83=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[38, 4, 83, 6], Operations: [] Exploring Operation: 38-4=34, Resulting Numbers: [83, 6, 34] Generated Node #0,0: 93:[83, 6, 34] Operation: 38-4=34 Exploring Operation: 38-6=32, Resulting Numbers: [4, 83, 32] Generated Node #0,1: 93:[4, 83, 32] Operation: 38-6=32 Exploring Operation: 83+6=89, Resulting Numbers: [38, 4, 89] Generated Node #0,2: 93:[38, 4, 89] Operation: 83+6=89 Moving to Node #0,1 Current State: 93:[4, 83, 32], Operations: ['38-6=32'] Exploring Operation: 4+83=87, Resulting Numbers: [32, 87] Generated Node #0,1,0: 93:[32, 87] Operation: 4+83=87 Exploring Operation: 32-4=28, Resulting Numbers: [83, 28] Generated Node #0,1,1: 93:[83, 28] Operation: 32-4=28 Exploring Operation: 83-4=79, Resulting Numbers: [32, 79] Generated Node #0,1,2: 93:[32, 79] Operation: 83-4=79 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[32, 87], Operations: ['38-6=32', '4+83=87'] Exploring Operation: 32+87=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 32*87=2784, Resulting Numbers: [2784] 2784,93 unequal: No Solution No 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: 93:[83, 28], Operations: ['38-6=32', '32-4=28'] Exploring Operation: 83*28=2324, Resulting Numbers: [2324] 2324,93 unequal: No Solution Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 83+28=111, Resulting Numbers: [111] 111,93 unequal: No Solution No 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: 93:[32, 79], Operations: ['38-6=32', '83-4=79'] Exploring Operation: 32*79=2528, Resulting Numbers: [2528] 2528,93 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 32+79=111, Resulting Numbers: [111] 111,93 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: 93:[38, 4, 89], Operations: ['83+6=89'] Exploring Operation: 38-4=34, Resulting Numbers: [89, 34] Generated Node #0,2,0: 93:[89, 34] Operation: 38-4=34 Exploring Operation: 4+89=93, Resulting Numbers: [38, 93] Generated Node #0,2,1: 93:[38, 93] Operation: 4+89=93 Exploring Operation: 38+4=42, Resulting Numbers: [89, 42] Generated Node #0,2,2: 93:[89, 42] Operation: 38+4=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[89, 34], Operations: ['83+6=89', '38-4=34'] Exploring Operation: 89-34=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 89+34=123, Resulting Numbers: [123] 123,93 unequal: No Solution Exploring Operation: 89*34=3026, Resulting Numbers: [3026] 3026,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[38, 93], Operations: ['83+6=89', '4+89=93'] Exploring Operation: 38*93=3534, Resulting Numbers: [3534] 3534,93 unequal: No Solution Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 38+93=131, Resulting Numbers: [131] 131,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[89, 42], Operations: ['83+6=89', '38+4=42'] Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,93 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,93 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: 93:[83, 6, 34], Operations: ['38-4=34'] Exploring Operation: 83+6=89, Resulting Numbers: [34, 89] Generated Node #0,0,0: 93:[34, 89] Operation: 83+6=89 Exploring Operation: 34-6=28, Resulting Numbers: [83, 28] Generated Node #0,0,1: 93:[83, 28] Operation: 34-6=28 Exploring Operation: 83-6=77, Resulting Numbers: [34, 77] Generated Node #0,0,2: 93:[34, 77] Operation: 83-6=77 Moving to Node #0,0,0 Current State: 93:[34, 89], Operations: ['38-4=34', '83+6=89'] Exploring Operation: 34*89=3026, Resulting Numbers: [3026] 3026,93 unequal: No Solution Exploring Operation: 34+89=123, Resulting Numbers: [123] 123,93 unequal: No Solution Exploring Operation: 89-34=55, Resulting Numbers: [55] 55,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[83, 28], Operations: ['38-4=34', '34-6=28'] Exploring Operation: 83*28=2324, Resulting Numbers: [2324] 2324,93 unequal: No Solution Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 83+28=111, Resulting Numbers: [111] 111,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[34, 77], Operations: ['38-4=34', '83-6=77'] Exploring Operation: 34*77=2618, Resulting Numbers: [2618] 2618,93 unequal: No Solution Exploring Operation: 34+77=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 62, 27, 80, 2 ]
98
[ "62+27=89", "2*89=178", "178-80=98" ]
Current State: 98:[62, 27, 80, 2], Operations: [] Exploring Operation: 62+27=89, Resulting Numbers: [80, 2, 89] Generated Node #2: [80, 2, 89] from Operation: 62+27=89 Current State: 98:[80, 2, 89], Operations: ['62+27=89'] Exploring Operation: 2*89=178, Resulting Numbers: [80, 178] Generated Node #3: [80, 178] from Operation: 2*89=178 Current State: 98:[80, 178], Operations: ['62+27=89', '2*89=178'] Exploring Operation: 178-80=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[62, 27, 80, 2], Operations: [] Exploring Operation: 62+27=89, Resulting Numbers: [80, 2, 89] Generated Node #0,0: 98:[80, 2, 89] Operation: 62+27=89 Exploring Operation: 80-27=53, Resulting Numbers: [62, 2, 53] Generated Node #0,1: 98:[62, 2, 53] Operation: 80-27=53 Exploring Operation: 80-62=18, Resulting Numbers: [27, 2, 18] Generated Node #0,2: 98:[27, 2, 18] Operation: 80-62=18 Exploring Operation: 62-27=35, Resulting Numbers: [80, 2, 35] Generated Node #0,3: 98:[80, 2, 35] Operation: 62-27=35 Exploring Operation: 27+80=107, Resulting Numbers: [62, 2, 107] Generated Node #0,4: 98:[62, 2, 107] Operation: 27+80=107 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[62, 2, 53], Operations: ['80-27=53'] Exploring Operation: 53-2=51, Resulting Numbers: [62, 51] Generated Node #0,1,0: 98:[62, 51] Operation: 53-2=51 Exploring Operation: 62+53=115, Resulting Numbers: [2, 115] Generated Node #0,1,1: 98:[2, 115] Operation: 62+53=115 Exploring Operation: 62-53=9, Resulting Numbers: [2, 9] Generated Node #0,1,2: 98:[2, 9] Operation: 62-53=9 Exploring Operation: 62+2=64, Resulting Numbers: [53, 64] Generated Node #0,1,3: 98:[53, 64] Operation: 62+2=64 Exploring Operation: 62-2=60, Resulting Numbers: [53, 60] Generated Node #0,1,4: 98:[53, 60] Operation: 62-2=60 Moving to Node #0,1,2 Current State: 98:[2, 9], Operations: ['80-27=53', '62-53=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,98 unequal: No Solution Moving to Node #0,1,4 Current State: 98:[53, 60], Operations: ['80-27=53', '62-2=60'] Exploring Operation: 53+60=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 53*60=3180, Resulting Numbers: [3180] 3180,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[62, 51], Operations: ['80-27=53', '53-2=51'] Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,98 unequal: No Solution Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[2, 115], Operations: ['80-27=53', '62+53=115'] Exploring Operation: 2+115=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 2*115=230, Resulting Numbers: [230] 230,98 unequal: No Solution Exploring Operation: 115-2=113, Resulting Numbers: [113] 113,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[53, 64], Operations: ['80-27=53', '62+2=64'] Exploring Operation: 53*64=3392, Resulting Numbers: [3392] 3392,98 unequal: No Solution Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 53+64=117, Resulting Numbers: [117] 117,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[27, 2, 18], Operations: ['80-62=18'] Exploring Operation: 27+18=45, Resulting Numbers: [2, 45] Generated Node #0,2,0: 98:[2, 45] Operation: 27+18=45 Exploring Operation: 18-2=16, Resulting Numbers: [27, 16] Generated Node #0,2,1: 98:[27, 16] Operation: 18-2=16 Exploring Operation: 27-2=25, Resulting Numbers: [18, 25] Generated Node #0,2,2: 98:[18, 25] Operation: 27-2=25 Exploring Operation: 27*2=54, Resulting Numbers: [18, 54] Generated Node #0,2,3: 98:[18, 54] Operation: 27*2=54 Exploring Operation: 27-18=9, Resulting Numbers: [2, 9] Generated Node #0,2,4: 98:[2, 9] Operation: 27-18=9 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 98:[2, 9], Operations: ['80-62=18', '27-18=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,98 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 #0,2,0 Current State: 98:[2, 45], Operations: ['80-62=18', '27+18=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,98 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 #0,2,3 Current State: 98:[18, 54], Operations: ['80-62=18', '27*2=54'] Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 18+54=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 18*54=972, Resulting Numbers: [972] 972,98 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 #0,2,1 Current State: 98:[27, 16], Operations: ['80-62=18', '18-2=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,98 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 #0,2,2 Current State: 98:[18, 25], Operations: ['80-62=18', '27-2=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,98 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[62, 2, 107], Operations: ['27+80=107'] Exploring Operation: 62+2=64, Resulting Numbers: [107, 64] Generated Node #0,4,0: 98:[107, 64] Operation: 62+2=64 Exploring Operation: 107-62=45, Resulting Numbers: [2, 45] Generated Node #0,4,1: 98:[2, 45] Operation: 107-62=45 Exploring Operation: 2+107=109, Resulting Numbers: [62, 109] Generated Node #0,4,2: 98:[62, 109] Operation: 2+107=109 Exploring Operation: 62-2=60, Resulting Numbers: [107, 60] Generated Node #0,4,3: 98:[107, 60] Operation: 62-2=60 Exploring Operation: 107-2=105, Resulting Numbers: [62, 105] Generated Node #0,4,4: 98:[62, 105] Operation: 107-2=105 Moving to Node #0,4,1 Current State: 98:[2, 45], Operations: ['27+80=107', '107-62=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[62, 105], Operations: ['27+80=107', '107-2=105'] Exploring Operation: 62+105=167, Resulting Numbers: [167] 167,98 unequal: No Solution Exploring Operation: 105-62=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 62*105=6510, Resulting Numbers: [6510] 6510,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[107, 60], Operations: ['27+80=107', '62-2=60'] Exploring Operation: 107-60=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 107*60=6420, Resulting Numbers: [6420] 6420,98 unequal: No Solution Exploring Operation: 107+60=167, Resulting Numbers: [167] 167,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[107, 64], Operations: ['27+80=107', '62+2=64'] Exploring Operation: 107+64=171, Resulting Numbers: [171] 171,98 unequal: No Solution Exploring Operation: 107*64=6848, Resulting Numbers: [6848] 6848,98 unequal: No Solution Exploring Operation: 107-64=43, Resulting Numbers: [43] 43,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[62, 109], Operations: ['27+80=107', '2+107=109'] Exploring Operation: 62*109=6758, Resulting Numbers: [6758] 6758,98 unequal: No Solution Exploring Operation: 62+109=171, Resulting Numbers: [171] 171,98 unequal: No Solution Exploring Operation: 109-62=47, Resulting Numbers: [47] 47,98 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:[80, 2, 89], Operations: ['62+27=89'] Exploring Operation: 80+2=82, Resulting Numbers: [89, 82] Generated Node #0,0,0: 98:[89, 82] Operation: 80+2=82 Exploring Operation: 89-80=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 98:[2, 9] Operation: 89-80=9 Exploring Operation: 2+89=91, Resulting Numbers: [80, 91] Generated Node #0,0,2: 98:[80, 91] Operation: 2+89=91 Exploring Operation: 80-2=78, Resulting Numbers: [89, 78] Generated Node #0,0,3: 98:[89, 78] Operation: 80-2=78 Exploring Operation: 80/2=40, Resulting Numbers: [89, 40] Generated Node #0,0,4: 98:[89, 40] Operation: 80/2=40 Moving to Node #0,0,1 Current State: 98:[2, 9], Operations: ['62+27=89', '89-80=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[89, 40], Operations: ['62+27=89', '80/2=40'] Exploring Operation: 89*40=3560, Resulting Numbers: [3560] 3560,98 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 89+40=129, Resulting Numbers: [129] 129,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[89, 82], Operations: ['62+27=89', '80+2=82'] Exploring Operation: 89-82=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 89+82=171, Resulting Numbers: [171] 171,98 unequal: No Solution Exploring Operation: 89*82=7298, Resulting Numbers: [7298] 7298,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[80, 91], Operations: ['62+27=89', '2+89=91'] Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 80*91=7280, Resulting Numbers: [7280] 7280,98 unequal: No Solution Exploring Operation: 80+91=171, Resulting Numbers: [171] 171,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[89, 78], Operations: ['62+27=89', '80-2=78'] Exploring Operation: 89*78=6942, Resulting Numbers: [6942] 6942,98 unequal: No Solution Exploring Operation: 89+78=167, Resulting Numbers: [167] 167,98 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,98 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 #0,3 Current State: 98:[80, 2, 35], Operations: ['62-27=35'] Exploring Operation: 80-35=45, Resulting Numbers: [2, 45] Generated Node #0,3,0: 98:[2, 45] Operation: 80-35=45 Exploring Operation: 80+2=82, Resulting Numbers: [35, 82] Generated Node #0,3,1: 98:[35, 82] Operation: 80+2=82 Exploring Operation: 80/2=40, Resulting Numbers: [35, 40] Generated Node #0,3,2: 98:[35, 40] Operation: 80/2=40 Exploring Operation: 2+35=37, Resulting Numbers: [80, 37] Generated Node #0,3,3: 98:[80, 37] Operation: 2+35=37 Exploring Operation: 80+35=115, Resulting Numbers: [2, 115] Generated Node #0,3,4: 98:[2, 115] Operation: 80+35=115 Moving to Node #0,3,0 Current State: 98:[2, 45], Operations: ['62-27=35', '80-35=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[2, 115], Operations: ['62-27=35', '80+35=115'] Exploring Operation: 2+115=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 115-2=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 2*115=230, Resulting Numbers: [230] 230,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[35, 40], Operations: ['62-27=35', '80/2=40'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,98 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[35, 82], Operations: ['62-27=35', '80+2=82'] Exploring Operation: 35*82=2870, Resulting Numbers: [2870] 2870,98 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[80, 37], Operations: ['62-27=35', '2+35=37'] Exploring Operation: 80+37=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 80*37=2960, Resulting Numbers: [2960] 2960,98 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
[ 34, 13, 11, 59 ]
23
[ "34+13=47", "11+59=70", "70-47=23" ]
Current State: 23:[34, 13, 11, 59], Operations: [] Exploring Operation: 34+13=47, Resulting Numbers: [11, 59, 47] Generated Node #2: [11, 59, 47] from Operation: 34+13=47 Current State: 23:[11, 59, 47], Operations: ['34+13=47'] Exploring Operation: 11+59=70, Resulting Numbers: [47, 70] Generated Node #3: [47, 70] from Operation: 11+59=70 Current State: 23:[47, 70], Operations: ['34+13=47', '11+59=70'] Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[34, 13, 11, 59], Operations: [] Exploring Operation: 34-11=23, Resulting Numbers: [13, 59, 23] Generated Node #0,0: 23:[13, 59, 23] Operation: 34-11=23 Exploring Operation: 59-34=25, Resulting Numbers: [13, 11, 25] Generated Node #0,1: 23:[13, 11, 25] Operation: 59-34=25 Exploring Operation: 59-13=46, Resulting Numbers: [34, 11, 46] Generated Node #0,2: 23:[34, 11, 46] Operation: 59-13=46 Exploring Operation: 59-11=48, Resulting Numbers: [34, 13, 48] Generated Node #0,3: 23:[34, 13, 48] Operation: 59-11=48 Moving to Node #0,1 Current State: 23:[13, 11, 25], Operations: ['59-34=25'] Exploring Operation: 25-13=12, Resulting Numbers: [11, 12] Generated Node #0,1,0: 23:[11, 12] Operation: 25-13=12 Exploring Operation: 13-11=2, Resulting Numbers: [25, 2] Generated Node #0,1,1: 23:[25, 2] Operation: 13-11=2 Exploring Operation: 13+11=24, Resulting Numbers: [25, 24] Generated Node #0,1,2: 23:[25, 24] Operation: 13+11=24 Exploring Operation: 25-11=14, Resulting Numbers: [13, 14] Generated Node #0,1,3: 23:[13, 14] Operation: 25-11=14 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[25, 24], Operations: ['59-34=25', '13+11=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,23 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,23 unequal: No Solution No 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: 23:[13, 14], Operations: ['59-34=25', '25-11=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,23 unequal: No Solution No 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: 23:[11, 12], Operations: ['59-34=25', '25-13=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,23 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[34, 13, 11, 59], Operations: [] Exploring Operation: 59-34=25, Resulting Numbers: [13, 11, 25] Generated Node #0,1: 23:[13, 11, 25] Operation: 59-34=25 Moving to Node #0,1 Current State: 23:[13, 11, 25], Operations: ['59-34=25'] Exploring Operation: 25-13=12, Resulting Numbers: [11, 12] Generated Node #0,1,0: 23:[11, 12] Operation: 25-13=12 Moving to Node #0,1,0 Current State: 23:[11, 12], Operations: ['59-34=25', '25-13=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 48, 23, 33, 57 ]
28
[ "23*57=1311", "33+1311=1344", "1344/48=28" ]
Current State: 28:[48, 23, 33, 57], Operations: [] Exploring Operation: 23*57=1311, Resulting Numbers: [48, 33, 1311] Generated Node #2: [48, 33, 1311] from Operation: 23*57=1311 Current State: 28:[48, 33, 1311], Operations: ['23*57=1311'] Exploring Operation: 33+1311=1344, Resulting Numbers: [48, 1344] Generated Node #3: [48, 1344] from Operation: 33+1311=1344 Current State: 28:[48, 1344], Operations: ['23*57=1311', '33+1311=1344'] Exploring Operation: 1344/48=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[48, 23, 33, 57], Operations: [] Exploring Operation: 57-23=34, Resulting Numbers: [48, 33, 34] Generated Node #0,0: 28:[48, 33, 34] Operation: 57-23=34 Exploring Operation: 57-33=24, Resulting Numbers: [48, 23, 24] Generated Node #0,1: 28:[48, 23, 24] Operation: 57-33=24 Exploring Operation: 48-33=15, Resulting Numbers: [23, 57, 15] Generated Node #0,2: 28:[23, 57, 15] Operation: 48-33=15 Exploring Operation: 57-48=9, Resulting Numbers: [23, 33, 9] Generated Node #0,3: 28:[23, 33, 9] Operation: 57-48=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[23, 33, 9], Operations: ['57-48=9'] Exploring Operation: 23+9=32, Resulting Numbers: [33, 32] Generated Node #0,3,0: 28:[33, 32] Operation: 23+9=32 Exploring Operation: 33-23=10, Resulting Numbers: [9, 10] Generated Node #0,3,1: 28:[9, 10] Operation: 33-23=10 Exploring Operation: 33-9=24, Resulting Numbers: [23, 24] Generated Node #0,3,2: 28:[23, 24] Operation: 33-9=24 Exploring Operation: 23-9=14, Resulting Numbers: [33, 14] Generated Node #0,3,3: 28:[33, 14] Operation: 23-9=14 Moving to Node #0,3,1 Current State: 28:[9, 10], Operations: ['57-48=9', '33-23=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,3,3 Current State: 28:[33, 14], Operations: ['57-48=9', '23-9=14'] Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 33*14=462, Resulting Numbers: [462] 462,28 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[23, 24], Operations: ['57-48=9', '33-9=24'] Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,28 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[33, 32], Operations: ['57-48=9', '23+9=32'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 33*32=1056, Resulting Numbers: [1056] 1056,28 unequal: No Solution Exploring Operation: 33+32=65, Resulting Numbers: [65] 65,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[48, 23, 24], Operations: ['57-33=24'] Exploring Operation: 48/24=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 28:[23, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [23, 24] Generated Node #0,1,1: 28:[23, 24] Operation: 48-24=24 Exploring Operation: 48-23=25, Resulting Numbers: [24, 25] Generated Node #0,1,2: 28:[24, 25] Operation: 48-23=25 Exploring Operation: 24-23=1, Resulting Numbers: [48, 1] Generated Node #0,1,3: 28:[48, 1] Operation: 24-23=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[23, 2], Operations: ['57-33=24', '48/24=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,28 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,28 unequal: No Solution No 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: 28:[24, 25], Operations: ['57-33=24', '48-23=25'] Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,28 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,28 unequal: No Solution No 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: 28:[23, 24], Operations: ['57-33=24', '48-24=24'] Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,28 unequal: No Solution No 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: 28:[48, 1], Operations: ['57-33=24', '24-23=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,28 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: 28:[48, 33, 34], Operations: ['57-23=34'] Exploring Operation: 48-33=15, Resulting Numbers: [34, 15] Generated Node #0,0,0: 28:[34, 15] Operation: 48-33=15 Exploring Operation: 48+33=81, Resulting Numbers: [34, 81] Generated Node #0,0,1: 28:[34, 81] Operation: 48+33=81 Exploring Operation: 48-34=14, Resulting Numbers: [33, 14] Generated Node #0,0,2: 28:[33, 14] Operation: 48-34=14 Exploring Operation: 34-33=1, Resulting Numbers: [48, 1] Generated Node #0,0,3: 28:[48, 1] Operation: 34-33=1 Moving to Node #0,0,2 Current State: 28:[33, 14], Operations: ['57-23=34', '48-34=14'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 33*14=462, Resulting Numbers: [462] 462,28 unequal: No Solution Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[34, 15], Operations: ['57-23=34', '48-33=15'] Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,28 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[48, 1], Operations: ['57-23=34', '34-33=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[34, 81], Operations: ['57-23=34', '48+33=81'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 34+81=115, Resulting Numbers: [115] 115,28 unequal: No Solution Exploring Operation: 34*81=2754, Resulting Numbers: [2754] 2754,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[23, 57, 15], Operations: ['48-33=15'] Exploring Operation: 23-15=8, Resulting Numbers: [57, 8] Generated Node #0,2,0: 28:[57, 8] Operation: 23-15=8 Exploring Operation: 57-15=42, Resulting Numbers: [23, 42] Generated Node #0,2,1: 28:[23, 42] Operation: 57-15=42 Exploring Operation: 23+15=38, Resulting Numbers: [57, 38] Generated Node #0,2,2: 28:[57, 38] Operation: 23+15=38 Exploring Operation: 57-23=34, Resulting Numbers: [15, 34] Generated Node #0,2,3: 28:[15, 34] Operation: 57-23=34 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 28:[15, 34], Operations: ['48-33=15', '57-23=34'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,28 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,28 unequal: No Solution No 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: 28:[23, 42], Operations: ['48-33=15', '57-15=42'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,28 unequal: No Solution Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,28 unequal: No Solution No 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: 28:[57, 8], Operations: ['48-33=15', '23-15=8'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 57+8=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 57*8=456, Resulting Numbers: [456] 456,28 unequal: No Solution No 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: 28:[57, 38], Operations: ['48-33=15', '23+15=38'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,28 unequal: No Solution Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,28 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
[ 56, 76, 89, 60 ]
49
[ "76-56=20", "89-60=29", "20+29=49" ]
Current State: 49:[56, 76, 89, 60], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [89, 60, 20] Generated Node #2: [89, 60, 20] from Operation: 76-56=20 Current State: 49:[89, 60, 20], Operations: ['76-56=20'] Exploring Operation: 89-60=29, Resulting Numbers: [20, 29] Generated Node #3: [20, 29] from Operation: 89-60=29 Current State: 49:[20, 29], Operations: ['76-56=20', '89-60=29'] Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[56, 76, 89, 60], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [56, 76, 29] Generated Node #0,0: 49:[56, 76, 29] Operation: 89-60=29 Exploring Operation: 89-76=13, Resulting Numbers: [56, 60, 13] Generated Node #0,1: 49:[56, 60, 13] Operation: 89-76=13 Exploring Operation: 89-56=33, Resulting Numbers: [76, 60, 33] Generated Node #0,2: 49:[76, 60, 33] Operation: 89-56=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[56, 60, 13], Operations: ['89-76=13'] Exploring Operation: 60-13=47, Resulting Numbers: [56, 47] Generated Node #0,1,0: 49:[56, 47] Operation: 60-13=47 Exploring Operation: 56-13=43, Resulting Numbers: [60, 43] Generated Node #0,1,1: 49:[60, 43] Operation: 56-13=43 Exploring Operation: 60-56=4, Resulting Numbers: [13, 4] Generated Node #0,1,2: 49:[13, 4] Operation: 60-56=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 49:[56, 47], Operations: ['89-76=13', '60-13=47'] Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,49 unequal: No Solution No 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: 49:[13, 4], Operations: ['89-76=13', '60-56=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,49 unequal: No Solution No 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: 49:[60, 43], Operations: ['89-76=13', '56-13=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 60*43=2580, Resulting Numbers: [2580] 2580,49 unequal: No Solution Exploring Operation: 60+43=103, Resulting Numbers: [103] 103,49 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[56, 76, 29], Operations: ['89-60=29'] Exploring Operation: 76-29=47, Resulting Numbers: [56, 47] Generated Node #0,0,0: 49:[56, 47] Operation: 76-29=47 Exploring Operation: 56-29=27, Resulting Numbers: [76, 27] Generated Node #0,0,1: 49:[76, 27] Operation: 56-29=27 Exploring Operation: 76-56=20, Resulting Numbers: [29, 20] Generated Node #0,0,2: 49:[29, 20] Operation: 76-56=20 Moving to Node #0,0,0 Current State: 49:[56, 47], Operations: ['89-60=29', '76-29=47'] Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,49 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[29, 20], Operations: ['89-60=29', '76-56=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[56, 76, 89, 60], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [56, 76, 29] Generated Node #0,0: 49:[56, 76, 29] Operation: 89-60=29 Moving to Node #0,0 Current State: 49:[56, 76, 29], Operations: ['89-60=29'] Exploring Operation: 76-56=20, Resulting Numbers: [29, 20] Generated Node #0,0,2: 49:[29, 20] Operation: 76-56=20 Moving to Node #0,0,2 Current State: 49:[29, 20], Operations: ['89-60=29', '76-56=20'] Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 28, 54, 41, 84 ]
17
[ "54-28=26", "84-41=43", "43-26=17" ]
Current State: 17:[28, 54, 41, 84], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [41, 84, 26] Generated Node #2: [41, 84, 26] from Operation: 54-28=26 Current State: 17:[41, 84, 26], Operations: ['54-28=26'] Exploring Operation: 84-41=43, Resulting Numbers: [26, 43] Generated Node #3: [26, 43] from Operation: 84-41=43 Current State: 17:[26, 43], Operations: ['54-28=26', '84-41=43'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[28, 54, 41, 84], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [54, 41, 3] Generated Node #0,0: 17:[54, 41, 3] Operation: 84/28=3 Exploring Operation: 84-54=30, Resulting Numbers: [28, 41, 30] Generated Node #0,1: 17:[28, 41, 30] Operation: 84-54=30 Exploring Operation: 84-41=43, Resulting Numbers: [28, 54, 43] Generated Node #0,2: 17:[28, 54, 43] Operation: 84-41=43 Exploring Operation: 54-41=13, Resulting Numbers: [28, 84, 13] Generated Node #0,3: 17:[28, 84, 13] Operation: 54-41=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[28, 41, 30], Operations: ['84-54=30'] Exploring Operation: 41-28=13, Resulting Numbers: [30, 13] Generated Node #0,1,0: 17:[30, 13] Operation: 41-28=13 Exploring Operation: 30-28=2, Resulting Numbers: [41, 2] Generated Node #0,1,1: 17:[41, 2] Operation: 30-28=2 Exploring Operation: 41-30=11, Resulting Numbers: [28, 11] Generated Node #0,1,2: 17:[28, 11] Operation: 41-30=11 Exploring Operation: 28+41=69, Resulting Numbers: [30, 69] Generated Node #0,1,3: 17:[30, 69] Operation: 28+41=69 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[30, 13], Operations: ['84-54=30', '41-28=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[28, 54, 41, 84], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [28, 41, 30] Generated Node #0,1: 17:[28, 41, 30] Operation: 84-54=30 Moving to Node #0,1 Current State: 17:[28, 41, 30], Operations: ['84-54=30'] Exploring Operation: 41-28=13, Resulting Numbers: [30, 13] Generated Node #0,1,0: 17:[30, 13] Operation: 41-28=13 Moving to Node #0,1,0 Current State: 17:[30, 13], Operations: ['84-54=30', '41-28=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 5, 77, 70, 89 ]
63
[ "5+77=82", "89-70=19", "82-19=63" ]
Current State: 63:[5, 77, 70, 89], Operations: [] Exploring Operation: 5+77=82, Resulting Numbers: [70, 89, 82] Generated Node #2: [70, 89, 82] from Operation: 5+77=82 Current State: 63:[70, 89, 82], Operations: ['5+77=82'] Exploring Operation: 89-70=19, Resulting Numbers: [82, 19] Generated Node #3: [82, 19] from Operation: 89-70=19 Current State: 63:[82, 19], Operations: ['5+77=82', '89-70=19'] Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[5, 77, 70, 89], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [5, 70, 12] Generated Node #0,0: 63:[5, 70, 12] Operation: 89-77=12 Moving to Node #0,0 Current State: 63:[5, 70, 12], Operations: ['89-77=12'] Exploring Operation: 70-5=65, Resulting Numbers: [12, 65] Generated Node #0,0,0: 63:[12, 65] Operation: 70-5=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[12, 65], Operations: ['89-77=12', '70-5=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 35, 70, 44, 22 ]
33
[ "70-35=35", "44/22=2", "35-2=33" ]
Current State: 33:[35, 70, 44, 22], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [44, 22, 35] Generated Node #2: [44, 22, 35] from Operation: 70-35=35 Current State: 33:[44, 22, 35], Operations: ['70-35=35'] Exploring Operation: 44/22=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 44/22=2 Current State: 33:[35, 2], Operations: ['70-35=35', '44/22=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[35, 70, 44, 22], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [35, 44, 48] Generated Node #0,0: 33:[35, 44, 48] Operation: 70-22=48 Exploring Operation: 70-44=26, Resulting Numbers: [35, 22, 26] Generated Node #0,1: 33:[35, 22, 26] Operation: 70-44=26 Exploring Operation: 70-35=35, Resulting Numbers: [44, 22, 35] Generated Node #0,2: 33:[44, 22, 35] Operation: 70-35=35 Exploring Operation: 44/22=2, Resulting Numbers: [35, 70, 2] Generated Node #0,3: 33:[35, 70, 2] Operation: 44/22=2 Exploring Operation: 70/35=2, Resulting Numbers: [44, 22, 2] Generated Node #0,4: 33:[44, 22, 2] Operation: 70/35=2 Moving to Node #0,1 Current State: 33:[35, 22, 26], Operations: ['70-44=26'] Exploring Operation: 35-22=13, Resulting Numbers: [26, 13] Generated Node #0,1,0: 33:[26, 13] Operation: 35-22=13 Exploring Operation: 35+22=57, Resulting Numbers: [26, 57] Generated Node #0,1,1: 33:[26, 57] Operation: 35+22=57 Exploring Operation: 22+26=48, Resulting Numbers: [35, 48] Generated Node #0,1,2: 33:[35, 48] Operation: 22+26=48 Exploring Operation: 26-22=4, Resulting Numbers: [35, 4] Generated Node #0,1,3: 33:[35, 4] Operation: 26-22=4 Exploring Operation: 35-26=9, Resulting Numbers: [22, 9] Generated Node #0,1,4: 33:[22, 9] Operation: 35-26=9 Moving to Node #0,4 Current State: 33:[44, 22, 2], Operations: ['70/35=2'] Exploring Operation: 44/22=2, Resulting Numbers: [2, 2] Generated Node #0,4,0: 33:[2, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [2, 22] Generated Node #0,4,1: 33:[2, 22] Operation: 44-22=22 Exploring Operation: 44-2=42, Resulting Numbers: [22, 42] Generated Node #0,4,2: 33:[22, 42] Operation: 44-2=42 Exploring Operation: 22/2=11, Resulting Numbers: [44, 11] Generated Node #0,4,3: 33:[44, 11] Operation: 22/2=11 Exploring Operation: 22+2=24, Resulting Numbers: [44, 24] Generated Node #0,4,4: 33:[44, 24] Operation: 22+2=24 Moving to Node #0,2 Current State: 33:[44, 22, 35], Operations: ['70-35=35'] Exploring Operation: 35-22=13, Resulting Numbers: [44, 13] Generated Node #0,2,0: 33:[44, 13] Operation: 35-22=13 Exploring Operation: 44+22=66, Resulting Numbers: [35, 66] Generated Node #0,2,1: 33:[35, 66] Operation: 44+22=66 Exploring Operation: 44-22=22, Resulting Numbers: [35, 22] Generated Node #0,2,2: 33:[35, 22] Operation: 44-22=22 Exploring Operation: 44/22=2, Resulting Numbers: [35, 2] Generated Node #0,2,3: 33:[35, 2] Operation: 44/22=2 Exploring Operation: 44-35=9, Resulting Numbers: [22, 9] Generated Node #0,2,4: 33:[22, 9] Operation: 44-35=9 Moving to Node #0,0 Current State: 33:[35, 44, 48], Operations: ['70-22=48'] Exploring Operation: 48-44=4, Resulting Numbers: [35, 4] Generated Node #0,0,0: 33:[35, 4] Operation: 48-44=4 Exploring Operation: 35+44=79, Resulting Numbers: [48, 79] Generated Node #0,0,1: 33:[48, 79] Operation: 35+44=79 Exploring Operation: 35+48=83, Resulting Numbers: [44, 83] Generated Node #0,0,2: 33:[44, 83] Operation: 35+48=83 Exploring Operation: 48-35=13, Resulting Numbers: [44, 13] Generated Node #0,0,3: 33:[44, 13] Operation: 48-35=13 Exploring Operation: 44-35=9, Resulting Numbers: [48, 9] Generated Node #0,0,4: 33:[48, 9] Operation: 44-35=9 Moving to Node #0,3 Current State: 33:[35, 70, 2], Operations: ['44/22=2'] Exploring Operation: 70/35=2, Resulting Numbers: [2, 2] Generated Node #0,3,0: 33:[2, 2] Operation: 70/35=2 Exploring Operation: 70-2=68, Resulting Numbers: [35, 68] Generated Node #0,3,1: 33:[35, 68] Operation: 70-2=68 Exploring Operation: 70/2=35, Resulting Numbers: [35, 35] Generated Node #0,3,2: 33:[35, 35] Operation: 70/2=35 Exploring Operation: 35-2=33, Resulting Numbers: [70, 33] Generated Node #0,3,3: 33:[70, 33] Operation: 35-2=33 Exploring Operation: 70-35=35, Resulting Numbers: [2, 35] Generated Node #0,3,4: 33:[2, 35] Operation: 70-35=35 Moving to Node #0,4,0 Current State: 33:[2, 2], Operations: ['70/35=2', '44/22=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[2, 2], Operations: ['44/22=2', '70/35=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[35, 4], Operations: ['70-44=26', '26-22=4'] Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,33 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[35, 2], Operations: ['70-35=35', '44/22=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[35, 70, 44, 22], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [44, 22, 35] Generated Node #0,2: 33:[44, 22, 35] Operation: 70-35=35 Moving to Node #0,2 Current State: 33:[44, 22, 35], Operations: ['70-35=35'] Exploring Operation: 44/22=2, Resulting Numbers: [35, 2] Generated Node #0,2,3: 33:[35, 2] Operation: 44/22=2 Moving to Node #0,2,3 Current State: 33:[35, 2], Operations: ['70-35=35', '44/22=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.959201
hs_5
sum_heuristic
[ 87, 40, 20, 8 ]
77
[ "87-8=79", "40/20=2", "79-2=77" ]
Current State: 77:[87, 40, 20, 8], Operations: [] Exploring Operation: 87-8=79, Resulting Numbers: [40, 20, 79] Generated Node #2: [40, 20, 79] from Operation: 87-8=79 Current State: 77:[40, 20, 79], Operations: ['87-8=79'] Exploring Operation: 40/20=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 40/20=2 Current State: 77:[79, 2], Operations: ['87-8=79', '40/20=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[87, 40, 20, 8], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [87, 8, 2] Generated Node #0,0: 77:[87, 8, 2] Operation: 40/20=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[87, 8, 2], Operations: ['40/20=2'] Exploring Operation: 87-8=79, Resulting Numbers: [2, 79] Generated Node #0,0,0: 77:[2, 79] Operation: 87-8=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[2, 79], Operations: ['40/20=2', '87-8=79'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[87, 40, 20, 8], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [87, 8, 2] Generated Node #0,0: 77:[87, 8, 2] Operation: 40/20=2 Moving to Node #0,0 Current State: 77:[87, 8, 2], Operations: ['40/20=2'] Exploring Operation: 87-8=79, Resulting Numbers: [2, 79] Generated Node #0,0,0: 77:[2, 79] Operation: 87-8=79 Moving to Node #0,0,0 Current State: 77:[2, 79], Operations: ['40/20=2', '87-8=79'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 2, 8, 43, 61 ]
17
[ "2*43=86", "8+61=69", "86-69=17" ]
Current State: 17:[2, 8, 43, 61], Operations: [] Exploring Operation: 2*43=86, Resulting Numbers: [8, 61, 86] Generated Node #2: [8, 61, 86] from Operation: 2*43=86 Current State: 17:[8, 61, 86], Operations: ['2*43=86'] Exploring Operation: 8+61=69, Resulting Numbers: [86, 69] Generated Node #3: [86, 69] from Operation: 8+61=69 Current State: 17:[86, 69], Operations: ['2*43=86', '8+61=69'] Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[2, 8, 43, 61], Operations: [] Exploring Operation: 2*8=16, Resulting Numbers: [43, 61, 16] Generated Node #0,0: 17:[43, 61, 16] Operation: 2*8=16 Exploring Operation: 61-43=18, Resulting Numbers: [2, 8, 18] Generated Node #0,1: 17:[2, 8, 18] Operation: 61-43=18 Exploring Operation: 2+8=10, Resulting Numbers: [43, 61, 10] Generated Node #0,2: 17:[43, 61, 10] Operation: 2+8=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[2, 8, 18], Operations: ['61-43=18'] Exploring Operation: 2*8=16, Resulting Numbers: [18, 16] Generated Node #0,1,0: 17:[18, 16] Operation: 2*8=16 Exploring Operation: 18-2=16, Resulting Numbers: [8, 16] Generated Node #0,1,1: 17:[8, 16] Operation: 18-2=16 Exploring Operation: 2+8=10, Resulting Numbers: [18, 10] Generated Node #0,1,2: 17:[18, 10] Operation: 2+8=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[18, 16], Operations: ['61-43=18', '2*8=16'] Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,17 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 17:[18, 10], Operations: ['61-43=18', '2+8=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[8, 16], Operations: ['61-43=18', '18-2=16'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[43, 61, 16], Operations: ['2*8=16'] Exploring Operation: 61-43=18, Resulting Numbers: [16, 18] Generated Node #0,0,0: 17:[16, 18] Operation: 61-43=18 Exploring Operation: 43-16=27, Resulting Numbers: [61, 27] Generated Node #0,0,1: 17:[61, 27] Operation: 43-16=27 Exploring Operation: 61-16=45, Resulting Numbers: [43, 45] Generated Node #0,0,2: 17:[43, 45] Operation: 61-16=45 Moving to Node #0,0,0 Current State: 17:[16, 18], Operations: ['2*8=16', '61-43=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,17 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[61, 27], Operations: ['2*8=16', '43-16=27'] Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,17 unequal: No Solution Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 61*27=1647, Resulting Numbers: [1647] 1647,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[43, 45], Operations: ['2*8=16', '61-16=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,17 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[43, 61, 10], Operations: ['2+8=10'] Exploring Operation: 61-43=18, Resulting Numbers: [10, 18] Generated Node #0,2,0: 17:[10, 18] Operation: 61-43=18 Exploring Operation: 43-10=33, Resulting Numbers: [61, 33] Generated Node #0,2,1: 17:[61, 33] Operation: 43-10=33 Exploring Operation: 61-10=51, Resulting Numbers: [43, 51] Generated Node #0,2,2: 17:[43, 51] Operation: 61-10=51 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[10, 18], Operations: ['2+8=10', '61-43=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[61, 33], Operations: ['2+8=10', '43-10=33'] Exploring Operation: 61*33=2013, Resulting Numbers: [2013] 2013,17 unequal: No Solution Exploring Operation: 61+33=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[43, 51], Operations: ['2+8=10', '61-10=51'] Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 43*51=2193, Resulting Numbers: [2193] 2193,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 53, 9, 18, 7 ]
37
[ "53+9=62", "18+7=25", "62-25=37" ]
Current State: 37:[53, 9, 18, 7], Operations: [] Exploring Operation: 53+9=62, Resulting Numbers: [18, 7, 62] Generated Node #2: [18, 7, 62] from Operation: 53+9=62 Current State: 37:[18, 7, 62], Operations: ['53+9=62'] Exploring Operation: 18+7=25, Resulting Numbers: [62, 25] Generated Node #3: [62, 25] from Operation: 18+7=25 Current State: 37:[62, 25], Operations: ['53+9=62', '18+7=25'] Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[53, 9, 18, 7], Operations: [] Exploring Operation: 53-7=46, Resulting Numbers: [9, 18, 46] Generated Node #0,0: 37:[9, 18, 46] Operation: 53-7=46 Exploring Operation: 53-9=44, Resulting Numbers: [18, 7, 44] Generated Node #0,1: 37:[18, 7, 44] Operation: 53-9=44 Exploring Operation: 9+18=27, Resulting Numbers: [53, 7, 27] Generated Node #0,2: 37:[53, 7, 27] Operation: 9+18=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[9, 18, 46], Operations: ['53-7=46'] Exploring Operation: 9+18=27, Resulting Numbers: [46, 27] Generated Node #0,0,0: 37:[46, 27] Operation: 9+18=27 Exploring Operation: 46-9=37, Resulting Numbers: [18, 37] Generated Node #0,0,1: 37:[18, 37] Operation: 46-9=37 Exploring Operation: 18-9=9, Resulting Numbers: [46, 9] Generated Node #0,0,2: 37:[46, 9] Operation: 18-9=9 Moving to Node #0,0,0 Current State: 37:[46, 27], Operations: ['53-7=46', '9+18=27'] Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[18, 37], Operations: ['53-7=46', '46-9=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,37 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[46, 9], Operations: ['53-7=46', '18-9=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[53, 9, 18, 7], Operations: [] Exploring Operation: 53-7=46, Resulting Numbers: [9, 18, 46] Generated Node #0,0: 37:[9, 18, 46] Operation: 53-7=46 Moving to Node #0,0 Current State: 37:[9, 18, 46], Operations: ['53-7=46'] Exploring Operation: 18-9=9, Resulting Numbers: [46, 9] Generated Node #0,0,2: 37:[46, 9] Operation: 18-9=9 Moving to Node #0,0,2 Current State: 37:[46, 9], Operations: ['53-7=46', '18-9=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 41, 96, 95, 59 ]
91
[ "96-41=55", "95-59=36", "55+36=91" ]
Current State: 91:[41, 96, 95, 59], Operations: [] Exploring Operation: 96-41=55, Resulting Numbers: [95, 59, 55] Generated Node #2: [95, 59, 55] from Operation: 96-41=55 Current State: 91:[95, 59, 55], Operations: ['96-41=55'] Exploring Operation: 95-59=36, Resulting Numbers: [55, 36] Generated Node #3: [55, 36] from Operation: 95-59=36 Current State: 91:[55, 36], Operations: ['96-41=55', '95-59=36'] Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[41, 96, 95, 59], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [41, 96, 36] Generated Node #0,0: 91:[41, 96, 36] Operation: 95-59=36 Exploring Operation: 41+59=100, Resulting Numbers: [96, 95, 100] Generated Node #0,1: 91:[96, 95, 100] Operation: 41+59=100 Exploring Operation: 59-41=18, Resulting Numbers: [96, 95, 18] Generated Node #0,2: 91:[96, 95, 18] Operation: 59-41=18 Exploring Operation: 96-59=37, Resulting Numbers: [41, 95, 37] Generated Node #0,3: 91:[41, 95, 37] Operation: 96-59=37 Moving to Node #0,2 Current State: 91:[96, 95, 18], Operations: ['59-41=18'] Exploring Operation: 96+18=114, Resulting Numbers: [95, 114] Generated Node #0,2,0: 91:[95, 114] Operation: 96+18=114 Exploring Operation: 95-18=77, Resulting Numbers: [96, 77] Generated Node #0,2,1: 91:[96, 77] Operation: 95-18=77 Exploring Operation: 96-18=78, Resulting Numbers: [95, 78] Generated Node #0,2,2: 91:[95, 78] Operation: 96-18=78 Exploring Operation: 96-95=1, Resulting Numbers: [18, 1] Generated Node #0,2,3: 91:[18, 1] Operation: 96-95=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[18, 1], Operations: ['59-41=18', '96-95=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,91 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,91 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[95, 78], Operations: ['59-41=18', '96-18=78'] Exploring Operation: 95+78=173, Resulting Numbers: [173] 173,91 unequal: No Solution Exploring Operation: 95*78=7410, Resulting Numbers: [7410] 7410,91 unequal: No Solution Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[96, 77], Operations: ['59-41=18', '95-18=77'] Exploring Operation: 96*77=7392, Resulting Numbers: [7392] 7392,91 unequal: No Solution Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 96+77=173, Resulting Numbers: [173] 173,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[95, 114], Operations: ['59-41=18', '96+18=114'] Exploring Operation: 95*114=10830, Resulting Numbers: [10830] 10830,91 unequal: No Solution Exploring Operation: 95+114=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 114-95=19, Resulting Numbers: [19] 19,91 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: 91:[96, 95, 100], Operations: ['41+59=100'] Exploring Operation: 100-96=4, Resulting Numbers: [95, 4] Generated Node #0,1,0: 91:[95, 4] Operation: 100-96=4 Exploring Operation: 100-95=5, Resulting Numbers: [96, 5] Generated Node #0,1,1: 91:[96, 5] Operation: 100-95=5 Exploring Operation: 96+95=191, Resulting Numbers: [100, 191] Generated Node #0,1,2: 91:[100, 191] Operation: 96+95=191 Exploring Operation: 96-95=1, Resulting Numbers: [100, 1] Generated Node #0,1,3: 91:[100, 1] Operation: 96-95=1 Moving to Node #0,3 Current State: 91:[41, 95, 37], Operations: ['96-59=37'] Exploring Operation: 41+37=78, Resulting Numbers: [95, 78] Generated Node #0,3,0: 91:[95, 78] Operation: 41+37=78 Exploring Operation: 95-41=54, Resulting Numbers: [37, 54] Generated Node #0,3,1: 91:[37, 54] Operation: 95-41=54 Exploring Operation: 95-37=58, Resulting Numbers: [41, 58] Generated Node #0,3,2: 91:[41, 58] Operation: 95-37=58 Exploring Operation: 41-37=4, Resulting Numbers: [95, 4] Generated Node #0,3,3: 91:[95, 4] Operation: 41-37=4 Moving to Node #0,0 Current State: 91:[41, 96, 36], Operations: ['95-59=36'] Exploring Operation: 41+36=77, Resulting Numbers: [96, 77] Generated Node #0,0,0: 91:[96, 77] Operation: 41+36=77 Exploring Operation: 96-41=55, Resulting Numbers: [36, 55] Generated Node #0,0,1: 91:[36, 55] Operation: 96-41=55 Exploring Operation: 41-36=5, Resulting Numbers: [96, 5] Generated Node #0,0,2: 91:[96, 5] Operation: 41-36=5 Exploring Operation: 96-36=60, Resulting Numbers: [41, 60] Generated Node #0,0,3: 91:[41, 60] Operation: 96-36=60 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[96, 5], Operations: ['95-59=36', '41-36=5'] Exploring Operation: 96+5=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 96*5=480, Resulting Numbers: [480] 480,91 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[41, 96, 95, 59], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [41, 96, 36] Generated Node #0,0: 91:[41, 96, 36] Operation: 95-59=36 Moving to Node #0,0 Current State: 91:[41, 96, 36], Operations: ['95-59=36'] Exploring Operation: 41-36=5, Resulting Numbers: [96, 5] Generated Node #0,0,2: 91:[96, 5] Operation: 41-36=5 Moving to Node #0,0,2 Current State: 91:[96, 5], Operations: ['95-59=36', '41-36=5'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 48, 3, 75, 42 ]
66
[ "48+3=51", "75+42=117", "117-51=66" ]
Current State: 66:[48, 3, 75, 42], Operations: [] Exploring Operation: 48+3=51, Resulting Numbers: [75, 42, 51] Generated Node #2: [75, 42, 51] from Operation: 48+3=51 Current State: 66:[75, 42, 51], Operations: ['48+3=51'] Exploring Operation: 75+42=117, Resulting Numbers: [51, 117] Generated Node #3: [51, 117] from Operation: 75+42=117 Current State: 66:[51, 117], Operations: ['48+3=51', '75+42=117'] Exploring Operation: 117-51=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[48, 3, 75, 42], Operations: [] Exploring Operation: 75-48=27, Resulting Numbers: [3, 42, 27] Generated Node #0,0: 66:[3, 42, 27] Operation: 75-48=27 Exploring Operation: 48-42=6, Resulting Numbers: [3, 75, 6] Generated Node #0,1: 66:[3, 75, 6] Operation: 48-42=6 Exploring Operation: 75-42=33, Resulting Numbers: [48, 3, 33] Generated Node #0,2: 66:[48, 3, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 66:[3, 75, 6], Operations: ['48-42=6'] Exploring Operation: 75/3=25, Resulting Numbers: [6, 25] Generated Node #0,1,0: 66:[6, 25] Operation: 75/3=25 Exploring Operation: 75-6=69, Resulting Numbers: [3, 69] Generated Node #0,1,1: 66:[3, 69] Operation: 75-6=69 Exploring Operation: 75-3=72, Resulting Numbers: [6, 72] Generated Node #0,1,2: 66:[6, 72] Operation: 75-3=72 Moving to Node #0,0 Current State: 66:[3, 42, 27], Operations: ['75-48=27'] Exploring Operation: 42+27=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 66:[3, 69] Operation: 42+27=69 Exploring Operation: 42-27=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 66:[3, 15] Operation: 42-27=15 Exploring Operation: 42/3=14, Resulting Numbers: [27, 14] Generated Node #0,0,2: 66:[27, 14] Operation: 42/3=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[3, 69], Operations: ['75-48=27', '42+27=69'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[48, 3, 75, 42], Operations: [] Exploring Operation: 75-48=27, Resulting Numbers: [3, 42, 27] Generated Node #0,0: 66:[3, 42, 27] Operation: 75-48=27 Moving to Node #0,0 Current State: 66:[3, 42, 27], Operations: ['75-48=27'] Exploring Operation: 42+27=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 66:[3, 69] Operation: 42+27=69 Moving to Node #0,0,0 Current State: 66:[3, 69], Operations: ['75-48=27', '42+27=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 26, 74, 5, 58 ]
15
[ "74-26=48", "5+58=63", "63-48=15" ]
Current State: 15:[26, 74, 5, 58], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [5, 58, 48] Generated Node #2: [5, 58, 48] from Operation: 74-26=48 Current State: 15:[5, 58, 48], Operations: ['74-26=48'] Exploring Operation: 5+58=63, Resulting Numbers: [48, 63] Generated Node #3: [48, 63] from Operation: 5+58=63 Current State: 15:[48, 63], Operations: ['74-26=48', '5+58=63'] Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[26, 74, 5, 58], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [5, 58, 48] Generated Node #0,0: 15:[5, 58, 48] Operation: 74-26=48 Exploring Operation: 74-58=16, Resulting Numbers: [26, 5, 16] Generated Node #0,1: 15:[26, 5, 16] Operation: 74-58=16 Moving to Node #0,1 Current State: 15:[26, 5, 16], Operations: ['74-58=16'] Exploring Operation: 26-5=21, Resulting Numbers: [16, 21] Generated Node #0,1,0: 15:[16, 21] Operation: 26-5=21 Exploring Operation: 26-16=10, Resulting Numbers: [5, 10] Generated Node #0,1,1: 15:[5, 10] Operation: 26-16=10 Moving to Node #0,0 Current State: 15:[5, 58, 48], Operations: ['74-26=48'] Exploring Operation: 58-5=53, Resulting Numbers: [48, 53] Generated Node #0,0,0: 15:[48, 53] Operation: 58-5=53 Exploring Operation: 58-48=10, Resulting Numbers: [5, 10] Generated Node #0,0,1: 15:[5, 10] Operation: 58-48=10 Moving to Node #0,1,1 Current State: 15:[5, 10], Operations: ['74-58=16', '26-16=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[26, 74, 5, 58], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [26, 5, 16] Generated Node #0,1: 15:[26, 5, 16] Operation: 74-58=16 Moving to Node #0,1 Current State: 15:[26, 5, 16], Operations: ['74-58=16'] Exploring Operation: 26-16=10, Resulting Numbers: [5, 10] Generated Node #0,1,1: 15:[5, 10] Operation: 26-16=10 Moving to Node #0,1,1 Current State: 15:[5, 10], Operations: ['74-58=16', '26-16=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 37, 93, 17, 98 ]
100
[ "37-17=20", "98-93=5", "20*5=100" ]
Current State: 100:[37, 93, 17, 98], Operations: [] Exploring Operation: 37-17=20, Resulting Numbers: [93, 98, 20] Generated Node #2: [93, 98, 20] from Operation: 37-17=20 Current State: 100:[93, 98, 20], Operations: ['37-17=20'] Exploring Operation: 98-93=5, Resulting Numbers: [20, 5] Generated Node #3: [20, 5] from Operation: 98-93=5 Current State: 100:[20, 5], Operations: ['37-17=20', '98-93=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[37, 93, 17, 98], Operations: [] Exploring Operation: 37+17=54, Resulting Numbers: [93, 98, 54] Generated Node #0,0: 100:[93, 98, 54] Operation: 37+17=54 Exploring Operation: 37-17=20, Resulting Numbers: [93, 98, 20] Generated Node #0,1: 100:[93, 98, 20] Operation: 37-17=20 Exploring Operation: 98-93=5, Resulting Numbers: [37, 17, 5] Generated Node #0,2: 100:[37, 17, 5] Operation: 98-93=5 Exploring Operation: 98-37=61, Resulting Numbers: [93, 17, 61] Generated Node #0,3: 100:[93, 17, 61] Operation: 98-37=61 Exploring Operation: 93-37=56, Resulting Numbers: [17, 98, 56] Generated Node #0,4: 100:[17, 98, 56] Operation: 93-37=56 Moving to Node #0,1 Current State: 100:[93, 98, 20], Operations: ['37-17=20'] Exploring Operation: 93+20=113, Resulting Numbers: [98, 113] Generated Node #0,1,0: 100:[98, 113] Operation: 93+20=113 Exploring Operation: 93-20=73, Resulting Numbers: [98, 73] Generated Node #0,1,1: 100:[98, 73] Operation: 93-20=73 Exploring Operation: 98+20=118, Resulting Numbers: [93, 118] Generated Node #0,1,2: 100:[93, 118] Operation: 98+20=118 Exploring Operation: 98-20=78, Resulting Numbers: [93, 78] Generated Node #0,1,3: 100:[93, 78] Operation: 98-20=78 Exploring Operation: 98-93=5, Resulting Numbers: [20, 5] Generated Node #0,1,4: 100:[20, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 100:[20, 5], Operations: ['37-17=20', '98-93=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,100 unequal: No Solution Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[37, 93, 17, 98], Operations: [] Exploring Operation: 37-17=20, Resulting Numbers: [93, 98, 20] Generated Node #0,1: 100:[93, 98, 20] Operation: 37-17=20 Moving to Node #0,1 Current State: 100:[93, 98, 20], Operations: ['37-17=20'] Exploring Operation: 98-93=5, Resulting Numbers: [20, 5] Generated Node #0,1,4: 100:[20, 5] Operation: 98-93=5 Moving to Node #0,1,4 Current State: 100:[20, 5], Operations: ['37-17=20', '98-93=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 41, 60, 58, 40 ]
39
[ "60-58=2", "40*2=80", "80-41=39" ]
Current State: 39:[41, 60, 58, 40], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [41, 40, 2] Generated Node #2: [41, 40, 2] from Operation: 60-58=2 Current State: 39:[41, 40, 2], Operations: ['60-58=2'] Exploring Operation: 40*2=80, Resulting Numbers: [41, 80] Generated Node #3: [41, 80] from Operation: 40*2=80 Current State: 39:[41, 80], Operations: ['60-58=2', '40*2=80'] Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[41, 60, 58, 40], Operations: [] Exploring Operation: 58-41=17, Resulting Numbers: [60, 40, 17] Generated Node #0,0: 39:[60, 40, 17] Operation: 58-41=17 Exploring Operation: 60-58=2, Resulting Numbers: [41, 40, 2] Generated Node #0,1: 39:[41, 40, 2] Operation: 60-58=2 Exploring Operation: 60-41=19, Resulting Numbers: [58, 40, 19] Generated Node #0,2: 39:[58, 40, 19] Operation: 60-41=19 Exploring Operation: 60-40=20, Resulting Numbers: [41, 58, 20] Generated Node #0,3: 39:[41, 58, 20] Operation: 60-40=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[41, 40, 2], Operations: ['60-58=2'] Exploring Operation: 41-2=39, Resulting Numbers: [40, 39] Generated Node #0,1,0: 39:[40, 39] Operation: 41-2=39 Exploring Operation: 41+2=43, Resulting Numbers: [40, 43] Generated Node #0,1,1: 39:[40, 43] Operation: 41+2=43 Exploring Operation: 41-40=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 39:[2, 1] Operation: 41-40=1 Exploring Operation: 40-2=38, Resulting Numbers: [41, 38] Generated Node #0,1,3: 39:[41, 38] Operation: 40-2=38 Moving to Node #0,1,0 Current State: 39:[40, 39], Operations: ['60-58=2', '41-2=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,39 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[41, 38], Operations: ['60-58=2', '40-2=38'] Exploring Operation: 41+38=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 41*38=1558, Resulting Numbers: [1558] 1558,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[2, 1], Operations: ['60-58=2', '41-40=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[40, 43], Operations: ['60-58=2', '41+2=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,39 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,39 unequal: No Solution No 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: 39:[60, 40, 17], Operations: ['58-41=17'] Exploring Operation: 60-40=20, Resulting Numbers: [17, 20] Generated Node #0,0,0: 39:[17, 20] Operation: 60-40=20 Exploring Operation: 60+17=77, Resulting Numbers: [40, 77] Generated Node #0,0,1: 39:[40, 77] Operation: 60+17=77 Exploring Operation: 40-17=23, Resulting Numbers: [60, 23] Generated Node #0,0,2: 39:[60, 23] Operation: 40-17=23 Exploring Operation: 60-17=43, Resulting Numbers: [40, 43] Generated Node #0,0,3: 39:[40, 43] Operation: 60-17=43 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[40, 43], Operations: ['58-41=17', '60-17=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,39 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,39 unequal: No Solution No 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: 39:[17, 20], Operations: ['58-41=17', '60-40=20'] Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,39 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,39 unequal: No Solution No 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: 39:[60, 23], Operations: ['58-41=17', '40-17=23'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,39 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,39 unequal: No Solution No 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: 39:[40, 77], Operations: ['58-41=17', '60+17=77'] Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,39 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,39 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: 39:[58, 40, 19], Operations: ['60-41=19'] Exploring Operation: 58+19=77, Resulting Numbers: [40, 77] Generated Node #0,2,0: 39:[40, 77] Operation: 58+19=77 Exploring Operation: 58-19=39, Resulting Numbers: [40, 39] Generated Node #0,2,1: 39:[40, 39] Operation: 58-19=39 Exploring Operation: 58-40=18, Resulting Numbers: [19, 18] Generated Node #0,2,2: 39:[19, 18] Operation: 58-40=18 Exploring Operation: 40-19=21, Resulting Numbers: [58, 21] Generated Node #0,2,3: 39:[58, 21] Operation: 40-19=21 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 39:[40, 39], Operations: ['60-41=19', '58-19=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,39 unequal: No Solution No 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: 39:[19, 18], Operations: ['60-41=19', '58-40=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,39 unequal: No Solution No 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: 39:[58, 21], Operations: ['60-41=19', '40-19=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,39 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,39 unequal: No Solution No 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: 39:[40, 77], Operations: ['60-41=19', '58+19=77'] Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,39 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,39 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: 39:[41, 58, 20], Operations: ['60-40=20'] Exploring Operation: 58-20=38, Resulting Numbers: [41, 38] Generated Node #0,3,0: 39:[41, 38] Operation: 58-20=38 Exploring Operation: 41-20=21, Resulting Numbers: [58, 21] Generated Node #0,3,1: 39:[58, 21] Operation: 41-20=21 Exploring Operation: 58-41=17, Resulting Numbers: [20, 17] Generated Node #0,3,2: 39:[20, 17] Operation: 58-41=17 Exploring Operation: 41+20=61, Resulting Numbers: [58, 61] Generated Node #0,3,3: 39:[58, 61] Operation: 41+20=61 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[41, 38], Operations: ['60-40=20', '58-20=38'] Exploring Operation: 41+38=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 41*38=1558, Resulting Numbers: [1558] 1558,39 unequal: No Solution Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,39 unequal: No Solution No 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: 39:[20, 17], Operations: ['60-40=20', '58-41=17'] Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,39 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,39 unequal: No Solution No 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: 39:[58, 21], Operations: ['60-40=20', '41-20=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,39 unequal: No Solution No 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: 39:[58, 61], Operations: ['60-40=20', '41+20=61'] Exploring Operation: 58*61=3538, Resulting Numbers: [3538] 3538,39 unequal: No Solution Exploring Operation: 58+61=119, Resulting Numbers: [119] 119,39 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 58, 35, 24, 26 ]
43
[ "58+35=93", "24+26=50", "93-50=43" ]
Current State: 43:[58, 35, 24, 26], Operations: [] Exploring Operation: 58+35=93, Resulting Numbers: [24, 26, 93] Generated Node #2: [24, 26, 93] from Operation: 58+35=93 Current State: 43:[24, 26, 93], Operations: ['58+35=93'] Exploring Operation: 24+26=50, Resulting Numbers: [93, 50] Generated Node #3: [93, 50] from Operation: 24+26=50 Current State: 43:[93, 50], Operations: ['58+35=93', '24+26=50'] Exploring Operation: 93-50=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[58, 35, 24, 26], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [35, 24, 32] Generated Node #0,0: 43:[35, 24, 32] Operation: 58-26=32 Exploring Operation: 58-24=34, Resulting Numbers: [35, 26, 34] Generated Node #0,1: 43:[35, 26, 34] Operation: 58-24=34 Exploring Operation: 24+26=50, Resulting Numbers: [58, 35, 50] Generated Node #0,2: 43:[58, 35, 50] Operation: 24+26=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[58, 35, 50], Operations: ['24+26=50'] Exploring Operation: 50-35=15, Resulting Numbers: [58, 15] Generated Node #0,2,0: 43:[58, 15] Operation: 50-35=15 Exploring Operation: 58-50=8, Resulting Numbers: [35, 8] Generated Node #0,2,1: 43:[35, 8] Operation: 58-50=8 Exploring Operation: 58-35=23, Resulting Numbers: [50, 23] Generated Node #0,2,2: 43:[50, 23] Operation: 58-35=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[50, 23], Operations: ['24+26=50', '58-35=23'] Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 50*23=1150, Resulting Numbers: [1150] 1150,43 unequal: No Solution Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[58, 15], Operations: ['24+26=50', '50-35=15'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[58, 35, 24, 26], Operations: [] Exploring Operation: 24+26=50, Resulting Numbers: [58, 35, 50] Generated Node #0,2: 43:[58, 35, 50] Operation: 24+26=50 Moving to Node #0,2 Current State: 43:[58, 35, 50], Operations: ['24+26=50'] Exploring Operation: 50-35=15, Resulting Numbers: [58, 15] Generated Node #0,2,0: 43:[58, 15] Operation: 50-35=15 Moving to Node #0,2,0 Current State: 43:[58, 15], Operations: ['24+26=50', '50-35=15'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 25, 81, 94, 74 ]
86
[ "25+81=106", "94-74=20", "106-20=86" ]
Current State: 86:[25, 81, 94, 74], Operations: [] Exploring Operation: 25+81=106, Resulting Numbers: [94, 74, 106] Generated Node #2: [94, 74, 106] from Operation: 25+81=106 Current State: 86:[94, 74, 106], Operations: ['25+81=106'] Exploring Operation: 94-74=20, Resulting Numbers: [106, 20] Generated Node #3: [106, 20] from Operation: 94-74=20 Current State: 86:[106, 20], Operations: ['25+81=106', '94-74=20'] Exploring Operation: 106-20=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[25, 81, 94, 74], Operations: [] Exploring Operation: 94-25=69, Resulting Numbers: [81, 74, 69] Generated Node #0,0: 86:[81, 74, 69] Operation: 94-25=69 Exploring Operation: 81-25=56, Resulting Numbers: [94, 74, 56] Generated Node #0,1: 86:[94, 74, 56] Operation: 81-25=56 Exploring Operation: 25+74=99, Resulting Numbers: [81, 94, 99] Generated Node #0,2: 86:[81, 94, 99] Operation: 25+74=99 Exploring Operation: 81-74=7, Resulting Numbers: [25, 94, 7] Generated Node #0,3: 86:[25, 94, 7] Operation: 81-74=7 Exploring Operation: 74-25=49, Resulting Numbers: [81, 94, 49] Generated Node #0,4: 86:[81, 94, 49] Operation: 74-25=49 Start Sub Search at level 1: Moving to Node #0,4 Current State: 86:[81, 94, 49], Operations: ['74-25=49'] Exploring Operation: 94-81=13, Resulting Numbers: [49, 13] Generated Node #0,4,0: 86:[49, 13] Operation: 94-81=13 Exploring Operation: 94-49=45, Resulting Numbers: [81, 45] Generated Node #0,4,1: 86:[81, 45] Operation: 94-49=45 Exploring Operation: 94+49=143, Resulting Numbers: [81, 143] Generated Node #0,4,2: 86:[81, 143] Operation: 94+49=143 Exploring Operation: 81+49=130, Resulting Numbers: [94, 130] Generated Node #0,4,3: 86:[94, 130] Operation: 81+49=130 Exploring Operation: 81-49=32, Resulting Numbers: [94, 32] Generated Node #0,4,4: 86:[94, 32] Operation: 81-49=32 Moving to Node #0,4,1 Current State: 86:[81, 45], Operations: ['74-25=49', '94-49=45'] Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,86 unequal: No Solution Moving to Node #0,4,0 Current State: 86:[49, 13], Operations: ['74-25=49', '94-81=13'] Exploring Operation: 49-13=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 49+13=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 49*13=637, Resulting Numbers: [637] 637,86 unequal: No Solution Moving to Node #0,4,4 Current State: 86:[94, 32], Operations: ['74-25=49', '81-49=32'] Exploring Operation: 94+32=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 94*32=3008, Resulting Numbers: [3008] 3008,86 unequal: No Solution Moving to Node #0,4,3 Current State: 86:[94, 130], Operations: ['74-25=49', '81+49=130'] Exploring Operation: 130-94=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 94*130=12220, Resulting Numbers: [12220] 12220,86 unequal: No Solution Exploring Operation: 94+130=224, Resulting Numbers: [224] 224,86 unequal: No Solution Moving to Node #0,4,2 Current State: 86:[81, 143], Operations: ['74-25=49', '94+49=143'] Exploring Operation: 81*143=11583, Resulting Numbers: [11583] 11583,86 unequal: No Solution Exploring Operation: 81+143=224, Resulting Numbers: [224] 224,86 unequal: No Solution Exploring Operation: 143-81=62, Resulting Numbers: [62] 62,86 unequal: No Solution No 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: 86:[81, 94, 99], Operations: ['25+74=99'] Exploring Operation: 99-81=18, Resulting Numbers: [94, 18] Generated Node #0,2,0: 86:[94, 18] Operation: 99-81=18 Exploring Operation: 99-94=5, Resulting Numbers: [81, 5] Generated Node #0,2,1: 86:[81, 5] Operation: 99-94=5 Exploring Operation: 94-81=13, Resulting Numbers: [99, 13] Generated Node #0,2,2: 86:[99, 13] Operation: 94-81=13 Exploring Operation: 81+94=175, Resulting Numbers: [99, 175] Generated Node #0,2,3: 86:[99, 175] Operation: 81+94=175 Exploring Operation: 81+99=180, Resulting Numbers: [94, 180] Generated Node #0,2,4: 86:[94, 180] Operation: 81+99=180 Moving to Node #0,2,1 Current State: 86:[81, 5], Operations: ['25+74=99', '99-94=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[25, 81, 94, 74], Operations: [] Exploring Operation: 25+74=99, Resulting Numbers: [81, 94, 99] Generated Node #0,2: 86:[81, 94, 99] Operation: 25+74=99 Moving to Node #0,2 Current State: 86:[81, 94, 99], Operations: ['25+74=99'] Exploring Operation: 99-94=5, Resulting Numbers: [81, 5] Generated Node #0,2,1: 86:[81, 5] Operation: 99-94=5 Moving to Node #0,2,1 Current State: 86:[81, 5], Operations: ['25+74=99', '99-94=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 56, 83, 72, 15 ]
82
[ "56+83=139", "72-15=57", "139-57=82" ]
Current State: 82:[56, 83, 72, 15], Operations: [] Exploring Operation: 56+83=139, Resulting Numbers: [72, 15, 139] Generated Node #2: [72, 15, 139] from Operation: 56+83=139 Current State: 82:[72, 15, 139], Operations: ['56+83=139'] Exploring Operation: 72-15=57, Resulting Numbers: [139, 57] Generated Node #3: [139, 57] from Operation: 72-15=57 Current State: 82:[139, 57], Operations: ['56+83=139', '72-15=57'] Exploring Operation: 139-57=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[56, 83, 72, 15], Operations: [] Exploring Operation: 72+15=87, Resulting Numbers: [56, 83, 87] Generated Node #0,0: 82:[56, 83, 87] Operation: 72+15=87 Exploring Operation: 56+15=71, Resulting Numbers: [83, 72, 71] Generated Node #0,1: 82:[83, 72, 71] Operation: 56+15=71 Exploring Operation: 72-56=16, Resulting Numbers: [83, 15, 16] Generated Node #0,2: 82:[83, 15, 16] Operation: 72-56=16 Exploring Operation: 72-15=57, Resulting Numbers: [56, 83, 57] Generated Node #0,3: 82:[56, 83, 57] Operation: 72-15=57 Exploring Operation: 56-15=41, Resulting Numbers: [83, 72, 41] Generated Node #0,4: 82:[83, 72, 41] Operation: 56-15=41 Moving to Node #0,4 Current State: 82:[83, 72, 41], Operations: ['56-15=41'] Exploring Operation: 72-41=31, Resulting Numbers: [83, 31] Generated Node #0,4,0: 82:[83, 31] Operation: 72-41=31 Exploring Operation: 83+41=124, Resulting Numbers: [72, 124] Generated Node #0,4,1: 82:[72, 124] Operation: 83+41=124 Exploring Operation: 83-72=11, Resulting Numbers: [41, 11] Generated Node #0,4,2: 82:[41, 11] Operation: 83-72=11 Exploring Operation: 72+41=113, Resulting Numbers: [83, 113] Generated Node #0,4,3: 82:[83, 113] Operation: 72+41=113 Exploring Operation: 83-41=42, Resulting Numbers: [72, 42] Generated Node #0,4,4: 82:[72, 42] Operation: 83-41=42 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 82:[41, 11], Operations: ['56-15=41', '83-72=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,82 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 82:[83, 31], Operations: ['56-15=41', '72-41=31'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,82 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,82 unequal: No Solution Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 82:[72, 42], Operations: ['56-15=41', '83-41=42'] Exploring Operation: 72+42=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 72*42=3024, Resulting Numbers: [3024] 3024,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 82:[83, 113], Operations: ['56-15=41', '72+41=113'] Exploring Operation: 83*113=9379, Resulting Numbers: [9379] 9379,82 unequal: No Solution Exploring Operation: 83+113=196, Resulting Numbers: [196] 196,82 unequal: No Solution Exploring Operation: 113-83=30, Resulting Numbers: [30] 30,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 82:[72, 124], Operations: ['56-15=41', '83+41=124'] Exploring Operation: 124-72=52, Resulting Numbers: [52] 52,82 unequal: No Solution Exploring Operation: 72+124=196, Resulting Numbers: [196] 196,82 unequal: No Solution Exploring Operation: 72*124=8928, Resulting Numbers: [8928] 8928,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 82:[56, 83, 87], Operations: ['72+15=87'] Exploring Operation: 87-56=31, Resulting Numbers: [83, 31] Generated Node #0,0,0: 82:[83, 31] Operation: 87-56=31 Exploring Operation: 87-83=4, Resulting Numbers: [56, 4] Generated Node #0,0,1: 82:[56, 4] Operation: 87-83=4 Exploring Operation: 83-56=27, Resulting Numbers: [87, 27] Generated Node #0,0,2: 82:[87, 27] Operation: 83-56=27 Exploring Operation: 56+83=139, Resulting Numbers: [87, 139] Generated Node #0,0,3: 82:[87, 139] Operation: 56+83=139 Exploring Operation: 56+87=143, Resulting Numbers: [83, 143] Generated Node #0,0,4: 82:[83, 143] Operation: 56+87=143 Moving to Node #0,1 Current State: 82:[83, 72, 71], Operations: ['56+15=71'] Exploring Operation: 72-71=1, Resulting Numbers: [83, 1] Generated Node #0,1,0: 82:[83, 1] Operation: 72-71=1 Exploring Operation: 72+71=143, Resulting Numbers: [83, 143] Generated Node #0,1,1: 82:[83, 143] Operation: 72+71=143 Exploring Operation: 83-72=11, Resulting Numbers: [71, 11] Generated Node #0,1,2: 82:[71, 11] Operation: 83-72=11 Exploring Operation: 83+71=154, Resulting Numbers: [72, 154] Generated Node #0,1,3: 82:[72, 154] Operation: 83+71=154 Exploring Operation: 83-71=12, Resulting Numbers: [72, 12] Generated Node #0,1,4: 82:[72, 12] Operation: 83-71=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[83, 1], Operations: ['56+15=71', '72-71=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,82 unequal: No Solution Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[56, 83, 72, 15], Operations: [] Exploring Operation: 56+15=71, Resulting Numbers: [83, 72, 71] Generated Node #0,1: 82:[83, 72, 71] Operation: 56+15=71 Moving to Node #0,1 Current State: 82:[83, 72, 71], Operations: ['56+15=71'] Exploring Operation: 72-71=1, Resulting Numbers: [83, 1] Generated Node #0,1,0: 82:[83, 1] Operation: 72-71=1 Moving to Node #0,1,0 Current State: 82:[83, 1], Operations: ['56+15=71', '72-71=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 44, 69, 11, 13 ]
91
[ "13-11=2", "44/2=22", "69+22=91" ]
Current State: 91:[44, 69, 11, 13], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [44, 69, 2] Generated Node #2: [44, 69, 2] from Operation: 13-11=2 Current State: 91:[44, 69, 2], Operations: ['13-11=2'] Exploring Operation: 44/2=22, Resulting Numbers: [69, 22] Generated Node #3: [69, 22] from Operation: 44/2=22 Current State: 91:[69, 22], Operations: ['13-11=2', '44/2=22'] Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[44, 69, 11, 13], Operations: [] Exploring Operation: 69-44=25, Resulting Numbers: [11, 13, 25] Generated Node #0,0: 91:[11, 13, 25] Operation: 69-44=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[11, 13, 25], Operations: ['69-44=25'] Exploring Operation: 25-11=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 91:[13, 14] Operation: 25-11=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[13, 14], Operations: ['69-44=25', '25-11=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,91 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
[ 70, 32, 20, 2 ]
29
[ "70-32=38", "20+38=58", "58/2=29" ]
Current State: 29:[70, 32, 20, 2], Operations: [] Exploring Operation: 70-32=38, Resulting Numbers: [20, 2, 38] Generated Node #2: [20, 2, 38] from Operation: 70-32=38 Current State: 29:[20, 2, 38], Operations: ['70-32=38'] Exploring Operation: 20+38=58, Resulting Numbers: [2, 58] Generated Node #3: [2, 58] from Operation: 20+38=58 Current State: 29:[2, 58], Operations: ['70-32=38', '20+38=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[70, 32, 20, 2], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [32, 20, 35] Generated Node #0,0: 29:[32, 20, 35] Operation: 70/2=35 Exploring Operation: 70-20=50, Resulting Numbers: [32, 2, 50] Generated Node #0,1: 29:[32, 2, 50] Operation: 70-20=50 Exploring Operation: 70-32=38, Resulting Numbers: [20, 2, 38] Generated Node #0,2: 29:[20, 2, 38] Operation: 70-32=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[32, 20, 35], Operations: ['70/2=35'] Exploring Operation: 32+20=52, Resulting Numbers: [35, 52] Generated Node #0,0,0: 29:[35, 52] Operation: 32+20=52 Exploring Operation: 35-20=15, Resulting Numbers: [32, 15] Generated Node #0,0,1: 29:[32, 15] Operation: 35-20=15 Exploring Operation: 32-20=12, Resulting Numbers: [35, 12] Generated Node #0,0,2: 29:[35, 12] Operation: 32-20=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[32, 15], Operations: ['70/2=35', '35-20=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[35, 12], Operations: ['70/2=35', '32-20=12'] Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,29 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[35, 52], Operations: ['70/2=35', '32+20=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,29 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[20, 2, 38], Operations: ['70-32=38'] Exploring Operation: 38/2=19, Resulting Numbers: [20, 19] Generated Node #0,2,0: 29:[20, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [20, 36] Generated Node #0,2,1: 29:[20, 36] Operation: 38-2=36 Exploring Operation: 20+2=22, Resulting Numbers: [38, 22] Generated Node #0,2,2: 29:[38, 22] Operation: 20+2=22 Moving to Node #0,2,1 Current State: 29:[20, 36], Operations: ['70-32=38', '38-2=36'] Exploring Operation: 20*36=720, Resulting Numbers: [720] 720,29 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[38, 22], Operations: ['70-32=38', '20+2=22'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,29 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[20, 19], Operations: ['70-32=38', '38/2=19'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[32, 2, 50], Operations: ['70-20=50'] Exploring Operation: 32-2=30, Resulting Numbers: [50, 30] Generated Node #0,1,0: 29:[50, 30] Operation: 32-2=30 Exploring Operation: 50/2=25, Resulting Numbers: [32, 25] Generated Node #0,1,1: 29:[32, 25] Operation: 50/2=25 Exploring Operation: 50-2=48, Resulting Numbers: [32, 48] Generated Node #0,1,2: 29:[32, 48] Operation: 50-2=48 Moving to Node #0,1,1 Current State: 29:[32, 25], Operations: ['70-20=50', '50/2=25'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[50, 30], Operations: ['70-20=50', '32-2=30'] Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[32, 48], Operations: ['70-20=50', '50-2=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,29 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,29 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
[ 37, 7, 50, 88 ]
68
[ "37-7=30", "88-50=38", "30+38=68" ]
Current State: 68:[37, 7, 50, 88], Operations: [] Exploring Operation: 37-7=30, Resulting Numbers: [50, 88, 30] Generated Node #2: [50, 88, 30] from Operation: 37-7=30 Current State: 68:[50, 88, 30], Operations: ['37-7=30'] Exploring Operation: 88-50=38, Resulting Numbers: [30, 38] Generated Node #3: [30, 38] from Operation: 88-50=38 Current State: 68:[30, 38], Operations: ['37-7=30', '88-50=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[37, 7, 50, 88], Operations: [] Exploring Operation: 50-37=13, Resulting Numbers: [7, 88, 13] Generated Node #0,0: 68:[7, 88, 13] Operation: 50-37=13 Exploring Operation: 88-7=81, Resulting Numbers: [37, 50, 81] Generated Node #0,1: 68:[37, 50, 81] Operation: 88-7=81 Exploring Operation: 88-50=38, Resulting Numbers: [37, 7, 38] Generated Node #0,2: 68:[37, 7, 38] Operation: 88-50=38 Exploring Operation: 50-7=43, Resulting Numbers: [37, 88, 43] Generated Node #0,3: 68:[37, 88, 43] Operation: 50-7=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[37, 7, 38], Operations: ['88-50=38'] Exploring Operation: 37-7=30, Resulting Numbers: [38, 30] Generated Node #0,2,0: 68:[38, 30] Operation: 37-7=30 Exploring Operation: 38-7=31, Resulting Numbers: [37, 31] Generated Node #0,2,1: 68:[37, 31] Operation: 38-7=31 Exploring Operation: 37+38=75, Resulting Numbers: [7, 75] Generated Node #0,2,2: 68:[7, 75] Operation: 37+38=75 Exploring Operation: 38-37=1, Resulting Numbers: [7, 1] Generated Node #0,2,3: 68:[7, 1] Operation: 38-37=1 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 68:[7, 1], Operations: ['88-50=38', '38-37=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,68 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,68 unequal: No Solution No 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: 68:[37, 31], Operations: ['88-50=38', '38-7=31'] Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[37, 7, 50, 88], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [37, 7, 38] Generated Node #0,2: 68:[37, 7, 38] Operation: 88-50=38 Moving to Node #0,2 Current State: 68:[37, 7, 38], Operations: ['88-50=38'] Exploring Operation: 38-7=31, Resulting Numbers: [37, 31] Generated Node #0,2,1: 68:[37, 31] Operation: 38-7=31 Moving to Node #0,2,1 Current State: 68:[37, 31], Operations: ['88-50=38', '38-7=31'] Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 59, 57, 53, 5 ]
16
[ "59+5=64", "57-53=4", "64/4=16" ]
Current State: 16:[59, 57, 53, 5], Operations: [] Exploring Operation: 59+5=64, Resulting Numbers: [57, 53, 64] Generated Node #2: [57, 53, 64] from Operation: 59+5=64 Current State: 16:[57, 53, 64], Operations: ['59+5=64'] Exploring Operation: 57-53=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 57-53=4 Current State: 16:[64, 4], Operations: ['59+5=64', '57-53=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[59, 57, 53, 5], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [53, 5, 2] Generated Node #0,0: 16:[53, 5, 2] Operation: 59-57=2 Exploring Operation: 57-53=4, Resulting Numbers: [59, 5, 4] Generated Node #0,1: 16:[59, 5, 4] Operation: 57-53=4 Exploring Operation: 59-53=6, Resulting Numbers: [57, 5, 6] Generated Node #0,2: 16:[57, 5, 6] Operation: 59-53=6 Exploring Operation: 59-5=54, Resulting Numbers: [57, 53, 54] Generated Node #0,3: 16:[57, 53, 54] Operation: 59-5=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[53, 5, 2], Operations: ['59-57=2'] Exploring Operation: 5-2=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 16:[53, 3] Operation: 5-2=3 Exploring Operation: 53-5=48, Resulting Numbers: [2, 48] Generated Node #0,0,1: 16:[2, 48] Operation: 53-5=48 Exploring Operation: 53-2=51, Resulting Numbers: [5, 51] Generated Node #0,0,2: 16:[5, 51] Operation: 53-2=51 Exploring Operation: 5+2=7, Resulting Numbers: [53, 7] Generated Node #0,0,3: 16:[53, 7] Operation: 5+2=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[2, 48], Operations: ['59-57=2', '53-5=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[5, 51], Operations: ['59-57=2', '53-2=51'] Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,16 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[53, 3], Operations: ['59-57=2', '5-2=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,16 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 16:[53, 7], Operations: ['59-57=2', '5+2=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,16 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[59, 5, 4], Operations: ['57-53=4'] Exploring Operation: 5+4=9, Resulting Numbers: [59, 9] Generated Node #0,1,0: 16:[59, 9] Operation: 5+4=9 Exploring Operation: 59-4=55, Resulting Numbers: [5, 55] Generated Node #0,1,1: 16:[5, 55] Operation: 59-4=55 Exploring Operation: 59-5=54, Resulting Numbers: [4, 54] Generated Node #0,1,2: 16:[4, 54] Operation: 59-5=54 Exploring Operation: 5-4=1, Resulting Numbers: [59, 1] Generated Node #0,1,3: 16:[59, 1] Operation: 5-4=1 Moving to Node #0,1,2 Current State: 16:[4, 54], Operations: ['57-53=4', '59-5=54'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,16 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[5, 55], Operations: ['57-53=4', '59-4=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,16 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[59, 1], Operations: ['57-53=4', '5-4=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[59, 9], Operations: ['57-53=4', '5+4=9'] Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[57, 5, 6], Operations: ['59-53=6'] Exploring Operation: 57-6=51, Resulting Numbers: [5, 51] Generated Node #0,2,0: 16:[5, 51] Operation: 57-6=51 Exploring Operation: 5+6=11, Resulting Numbers: [57, 11] Generated Node #0,2,1: 16:[57, 11] Operation: 5+6=11 Exploring Operation: 57-5=52, Resulting Numbers: [6, 52] Generated Node #0,2,2: 16:[6, 52] Operation: 57-5=52 Exploring Operation: 6-5=1, Resulting Numbers: [57, 1] Generated Node #0,2,3: 16:[57, 1] Operation: 6-5=1 Moving to Node #0,2,0 Current State: 16:[5, 51], Operations: ['59-53=6', '57-6=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,16 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[6, 52], Operations: ['59-53=6', '57-5=52'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,16 unequal: No Solution Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[57, 1], Operations: ['59-53=6', '6-5=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[57, 11], Operations: ['59-53=6', '5+6=11'] Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,16 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[57, 53, 54], Operations: ['59-5=54'] Exploring Operation: 57-54=3, Resulting Numbers: [53, 3] Generated Node #0,3,0: 16:[53, 3] Operation: 57-54=3 Exploring Operation: 54-53=1, Resulting Numbers: [57, 1] Generated Node #0,3,1: 16:[57, 1] Operation: 54-53=1 Exploring Operation: 57+53=110, Resulting Numbers: [54, 110] Generated Node #0,3,2: 16:[54, 110] Operation: 57+53=110 Exploring Operation: 57-53=4, Resulting Numbers: [54, 4] Generated Node #0,3,3: 16:[54, 4] Operation: 57-53=4 Moving to Node #0,3,0 Current State: 16:[53, 3], Operations: ['59-5=54', '57-54=3'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[54, 4], Operations: ['59-5=54', '57-53=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,16 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[57, 1], Operations: ['59-5=54', '54-53=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[54, 110], Operations: ['59-5=54', '57+53=110'] Exploring Operation: 110-54=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 54*110=5940, Resulting Numbers: [5940] 5940,16 unequal: No Solution Exploring Operation: 54+110=164, Resulting Numbers: [164] 164,16 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
[ 92, 35, 35, 28 ]
92
[ "35-35=0", "28*0=0", "92+0=92" ]
Current State: 92:[92, 35, 35, 28], Operations: [] Exploring Operation: 35-35=0, Resulting Numbers: [92, 28, 0] Generated Node #2: [92, 28, 0] from Operation: 35-35=0 Current State: 92:[92, 28, 0], Operations: ['35-35=0'] Exploring Operation: 28*0=0, Resulting Numbers: [92, 0] Generated Node #3: [92, 0] from Operation: 28*0=0 Current State: 92:[92, 0], Operations: ['35-35=0', '28*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[92, 35, 35, 28], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [92, 35, 7] Generated Node #0,0: 92:[92, 35, 7] Operation: 35-28=7 Exploring Operation: 35/35=1, Resulting Numbers: [92, 28, 1] Generated Node #0,1: 92:[92, 28, 1] Operation: 35/35=1 Exploring Operation: 92-35=57, Resulting Numbers: [35, 28, 57] Generated Node #0,2: 92:[35, 28, 57] Operation: 92-35=57 Exploring Operation: 35-35=0, Resulting Numbers: [92, 28, 0] Generated Node #0,3: 92:[92, 28, 0] Operation: 35-35=0 Exploring Operation: 35-28=7, Resulting Numbers: [92, 35, 7] Generated Node #0,4: 92:[92, 35, 7] Operation: 35-28=7 Moving to Node #0,1 Current State: 92:[92, 28, 1], Operations: ['35/35=1'] Exploring Operation: 92/1=92, Resulting Numbers: [28, 92] Generated Node #0,1,0: 92:[28, 92] Operation: 92/1=92 Exploring Operation: 28*1=28, Resulting Numbers: [92, 28] Generated Node #0,1,1: 92:[92, 28] Operation: 28*1=28 Exploring Operation: 28-1=27, Resulting Numbers: [92, 27] Generated Node #0,1,2: 92:[92, 27] Operation: 28-1=27 Exploring Operation: 28/1=28, Resulting Numbers: [92, 28] Generated Node #0,1,3: 92:[92, 28] Operation: 28/1=28 Exploring Operation: 92*1=92, Resulting Numbers: [28, 92] Generated Node #0,1,4: 92:[28, 92] Operation: 92*1=92 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[92, 27], Operations: ['35/35=1', '28-1=27'] Exploring Operation: 92*27=2484, Resulting Numbers: [2484] 2484,92 unequal: No Solution Exploring Operation: 92+27=119, Resulting Numbers: [119] 119,92 unequal: No Solution Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[28, 92], Operations: ['35/35=1', '92/1=92'] Exploring Operation: 28+92=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 28*92=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[92, 28], Operations: ['35/35=1', '28*1=28'] Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[92, 28], Operations: ['35/35=1', '28/1=28'] Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 92:[28, 92], Operations: ['35/35=1', '92*1=92'] Exploring Operation: 28*92=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 28+92=120, Resulting Numbers: [120] 120,92 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: 92:[92, 28, 0], Operations: ['35-35=0'] Exploring Operation: 92+0=92, Resulting Numbers: [28, 92] Generated Node #0,3,0: 92:[28, 92] Operation: 92+0=92 Exploring Operation: 92-0=92, Resulting Numbers: [28, 92] Generated Node #0,3,1: 92:[28, 92] Operation: 92-0=92 Exploring Operation: 28-0=28, Resulting Numbers: [92, 28] Generated Node #0,3,2: 92:[92, 28] Operation: 28-0=28 Exploring Operation: 28+0=28, Resulting Numbers: [92, 28] Generated Node #0,3,3: 92:[92, 28] Operation: 28+0=28 Exploring Operation: 28*0=0, Resulting Numbers: [92, 0] Generated Node #0,3,4: 92:[92, 0] Operation: 28*0=0 Moving to Node #0,0 Current State: 92:[92, 35, 7], Operations: ['35-28=7'] Exploring Operation: 92+7=99, Resulting Numbers: [35, 99] Generated Node #0,0,0: 92:[35, 99] Operation: 92+7=99 Exploring Operation: 35/7=5, Resulting Numbers: [92, 5] Generated Node #0,0,1: 92:[92, 5] Operation: 35/7=5 Exploring Operation: 92-35=57, Resulting Numbers: [7, 57] Generated Node #0,0,2: 92:[7, 57] Operation: 92-35=57 Exploring Operation: 35+7=42, Resulting Numbers: [92, 42] Generated Node #0,0,3: 92:[92, 42] Operation: 35+7=42 Exploring Operation: 35-7=28, Resulting Numbers: [92, 28] Generated Node #0,0,4: 92:[92, 28] Operation: 35-7=28 Moving to Node #0,4 Current State: 92:[92, 35, 7], Operations: ['35-28=7'] Exploring Operation: 92-35=57, Resulting Numbers: [7, 57] Generated Node #0,4,0: 92:[7, 57] Operation: 92-35=57 Exploring Operation: 35-7=28, Resulting Numbers: [92, 28] Generated Node #0,4,1: 92:[92, 28] Operation: 35-7=28 Exploring Operation: 92+7=99, Resulting Numbers: [35, 99] Generated Node #0,4,2: 92:[35, 99] Operation: 92+7=99 Exploring Operation: 35/7=5, Resulting Numbers: [92, 5] Generated Node #0,4,3: 92:[92, 5] Operation: 35/7=5 Exploring Operation: 35+7=42, Resulting Numbers: [92, 42] Generated Node #0,4,4: 92:[92, 42] Operation: 35+7=42 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 92:[92, 5], Operations: ['35-28=7', '35/7=5'] Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,92 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,92 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 92:[92, 42], Operations: ['35-28=7', '35+7=42'] Exploring Operation: 92+42=134, Resulting Numbers: [134] 134,92 unequal: No Solution Exploring Operation: 92*42=3864, Resulting Numbers: [3864] 3864,92 unequal: No Solution Exploring Operation: 92-42=50, Resulting Numbers: [50] 50,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 92:[92, 28], Operations: ['35-28=7', '35-7=28'] Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 92:[7, 57], Operations: ['35-28=7', '92-35=57'] Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 7*57=399, Resulting Numbers: [399] 399,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 92:[35, 99], Operations: ['35-28=7', '92+7=99'] Exploring Operation: 35*99=3465, Resulting Numbers: [3465] 3465,92 unequal: No Solution Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 35+99=134, Resulting Numbers: [134] 134,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 92:[35, 28, 57], Operations: ['92-35=57'] Exploring Operation: 57-35=22, Resulting Numbers: [28, 22] Generated Node #0,2,0: 92:[28, 22] Operation: 57-35=22 Exploring Operation: 28+57=85, Resulting Numbers: [35, 85] Generated Node #0,2,1: 92:[35, 85] Operation: 28+57=85 Exploring Operation: 35+57=92, Resulting Numbers: [28, 92] Generated Node #0,2,2: 92:[28, 92] Operation: 35+57=92 Exploring Operation: 35-28=7, Resulting Numbers: [57, 7] Generated Node #0,2,3: 92:[57, 7] Operation: 35-28=7 Exploring Operation: 57-28=29, Resulting Numbers: [35, 29] Generated Node #0,2,4: 92:[35, 29] Operation: 57-28=29 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[28, 92], Operations: ['92-35=57', '35+57=92'] Exploring Operation: 28+92=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 28*92=2576, Resulting Numbers: [2576] 2576,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[28, 22], Operations: ['92-35=57', '57-35=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,92 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[57, 7], Operations: ['92-35=57', '35-28=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 92:[35, 29], Operations: ['92-35=57', '57-28=29'] Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 35*29=1015, Resulting Numbers: [1015] 1015,92 unequal: No Solution Exploring Operation: 35+29=64, Resulting Numbers: [64] 64,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[35, 85], Operations: ['92-35=57', '28+57=85'] Exploring Operation: 35+85=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 35*85=2975, Resulting Numbers: [2975] 2975,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 92:[92, 5], Operations: ['35-28=7', '35/7=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,92 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,92 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[92, 0], Operations: ['35-35=0', '28*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[92, 35, 35, 28], Operations: [] Exploring Operation: 35-35=0, Resulting Numbers: [92, 28, 0] Generated Node #0,3: 92:[92, 28, 0] Operation: 35-35=0 Moving to Node #0,3 Current State: 92:[92, 28, 0], Operations: ['35-35=0'] Exploring Operation: 28*0=0, Resulting Numbers: [92, 0] Generated Node #0,3,4: 92:[92, 0] Operation: 28*0=0 Moving to Node #0,3,4 Current State: 92:[92, 0], Operations: ['35-35=0', '28*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.927951
hs_5
mult_heuristic
[ 69, 13, 85, 71 ]
74
[ "69+13=82", "85+71=156", "156-82=74" ]
Current State: 74:[69, 13, 85, 71], Operations: [] Exploring Operation: 69+13=82, Resulting Numbers: [85, 71, 82] Generated Node #2: [85, 71, 82] from Operation: 69+13=82 Current State: 74:[85, 71, 82], Operations: ['69+13=82'] Exploring Operation: 85+71=156, Resulting Numbers: [82, 156] Generated Node #3: [82, 156] from Operation: 85+71=156 Current State: 74:[82, 156], Operations: ['69+13=82', '85+71=156'] Exploring Operation: 156-82=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[69, 13, 85, 71], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [69, 71, 72] Generated Node #0,0: 74:[69, 71, 72] Operation: 85-13=72 Exploring Operation: 69+13=82, Resulting Numbers: [85, 71, 82] Generated Node #0,1: 74:[85, 71, 82] Operation: 69+13=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[69, 71, 72], Operations: ['85-13=72'] Exploring Operation: 71-69=2, Resulting Numbers: [72, 2] Generated Node #0,0,0: 74:[72, 2] Operation: 71-69=2 Exploring Operation: 72-69=3, Resulting Numbers: [71, 3] Generated Node #0,0,1: 74:[71, 3] Operation: 72-69=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[72, 2], Operations: ['85-13=72', '71-69=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[69, 13, 85, 71], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [69, 71, 72] Generated Node #0,0: 74:[69, 71, 72] Operation: 85-13=72 Moving to Node #0,0 Current State: 74:[69, 71, 72], Operations: ['85-13=72'] Exploring Operation: 71-69=2, Resulting Numbers: [72, 2] Generated Node #0,0,0: 74:[72, 2] Operation: 71-69=2 Moving to Node #0,0,0 Current State: 74:[72, 2], Operations: ['85-13=72', '71-69=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 86, 82, 69, 39 ]
89
[ "82-69=13", "39/13=3", "86+3=89" ]
Current State: 89:[86, 82, 69, 39], Operations: [] Exploring Operation: 82-69=13, Resulting Numbers: [86, 39, 13] Generated Node #2: [86, 39, 13] from Operation: 82-69=13 Current State: 89:[86, 39, 13], Operations: ['82-69=13'] Exploring Operation: 39/13=3, Resulting Numbers: [86, 3] Generated Node #3: [86, 3] from Operation: 39/13=3 Current State: 89:[86, 3], Operations: ['82-69=13', '39/13=3'] Exploring Operation: 86+3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[86, 82, 69, 39], Operations: [] Exploring Operation: 69+39=108, Resulting Numbers: [86, 82, 108] Generated Node #0,0: 89:[86, 82, 108] Operation: 69+39=108 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[86, 82, 108], Operations: ['69+39=108'] Exploring Operation: 108-82=26, Resulting Numbers: [86, 26] Generated Node #0,0,0: 89:[86, 26] Operation: 108-82=26 Moving to Node #0,0,0 Current State: 89:[86, 26], Operations: ['69+39=108', '108-82=26'] Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,89 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
[ 28, 65, 70, 14 ]
68
[ "70-28=42", "42/14=3", "65+3=68" ]
Current State: 68:[28, 65, 70, 14], Operations: [] Exploring Operation: 70-28=42, Resulting Numbers: [65, 14, 42] Generated Node #2: [65, 14, 42] from Operation: 70-28=42 Current State: 68:[65, 14, 42], Operations: ['70-28=42'] Exploring Operation: 42/14=3, Resulting Numbers: [65, 3] Generated Node #3: [65, 3] from Operation: 42/14=3 Current State: 68:[65, 3], Operations: ['70-28=42', '42/14=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[28, 65, 70, 14], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [28, 14, 5] Generated Node #0,0: 68:[28, 14, 5] Operation: 70-65=5 Exploring Operation: 65-28=37, Resulting Numbers: [70, 14, 37] Generated Node #0,1: 68:[70, 14, 37] Operation: 65-28=37 Exploring Operation: 28/14=2, Resulting Numbers: [65, 70, 2] Generated Node #0,2: 68:[65, 70, 2] Operation: 28/14=2 Exploring Operation: 70/14=5, Resulting Numbers: [28, 65, 5] Generated Node #0,3: 68:[28, 65, 5] Operation: 70/14=5 Exploring Operation: 28-14=14, Resulting Numbers: [65, 70, 14] Generated Node #0,4: 68:[65, 70, 14] Operation: 28-14=14 Moving to Node #0,2 Current State: 68:[65, 70, 2], Operations: ['28/14=2'] Exploring Operation: 70-2=68, Resulting Numbers: [65, 68] Generated Node #0,2,0: 68:[65, 68] Operation: 70-2=68 Exploring Operation: 65-2=63, Resulting Numbers: [70, 63] Generated Node #0,2,1: 68:[70, 63] Operation: 65-2=63 Exploring Operation: 70-65=5, Resulting Numbers: [2, 5] Generated Node #0,2,2: 68:[2, 5] Operation: 70-65=5 Exploring Operation: 70/2=35, Resulting Numbers: [65, 35] Generated Node #0,2,3: 68:[65, 35] Operation: 70/2=35 Exploring Operation: 65+2=67, Resulting Numbers: [70, 67] Generated Node #0,2,4: 68:[70, 67] Operation: 65+2=67 Moving to Node #0,4 Current State: 68:[65, 70, 14], Operations: ['28-14=14'] Exploring Operation: 65+14=79, Resulting Numbers: [70, 79] Generated Node #0,4,0: 68:[70, 79] Operation: 65+14=79 Exploring Operation: 70/14=5, Resulting Numbers: [65, 5] Generated Node #0,4,1: 68:[65, 5] Operation: 70/14=5 Exploring Operation: 65-14=51, Resulting Numbers: [70, 51] Generated Node #0,4,2: 68:[70, 51] Operation: 65-14=51 Exploring Operation: 70-65=5, Resulting Numbers: [14, 5] Generated Node #0,4,3: 68:[14, 5] Operation: 70-65=5 Exploring Operation: 70-14=56, Resulting Numbers: [65, 56] Generated Node #0,4,4: 68:[65, 56] Operation: 70-14=56 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 68:[65, 5], Operations: ['28-14=14', '70/14=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 68:[14, 5], Operations: ['28-14=14', '70-65=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 68:[70, 79], Operations: ['28-14=14', '65+14=79'] Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,68 unequal: No Solution Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 68:[65, 56], Operations: ['28-14=14', '70-14=56'] Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 65*56=3640, Resulting Numbers: [3640] 3640,68 unequal: No Solution Exploring Operation: 65+56=121, Resulting Numbers: [121] 121,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 68:[70, 51], Operations: ['28-14=14', '65-14=51'] Exploring Operation: 70*51=3570, Resulting Numbers: [3570] 3570,68 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 70+51=121, Resulting Numbers: [121] 121,68 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:[70, 14, 37], Operations: ['65-28=37'] Exploring Operation: 70/14=5, Resulting Numbers: [37, 5] Generated Node #0,1,0: 68:[37, 5] Operation: 70/14=5 Exploring Operation: 70-14=56, Resulting Numbers: [37, 56] Generated Node #0,1,1: 68:[37, 56] Operation: 70-14=56 Exploring Operation: 70+14=84, Resulting Numbers: [37, 84] Generated Node #0,1,2: 68:[37, 84] Operation: 70+14=84 Exploring Operation: 70-37=33, Resulting Numbers: [14, 33] Generated Node #0,1,3: 68:[14, 33] Operation: 70-37=33 Exploring Operation: 37-14=23, Resulting Numbers: [70, 23] Generated Node #0,1,4: 68:[70, 23] Operation: 37-14=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[37, 5], Operations: ['65-28=37', '70/14=5'] Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,68 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[14, 33], Operations: ['65-28=37', '70-37=33'] Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,68 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 68:[70, 23], Operations: ['65-28=37', '37-14=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,68 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,68 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[37, 56], Operations: ['65-28=37', '70-14=56'] Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,68 unequal: No Solution Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[37, 84], Operations: ['65-28=37', '70+14=84'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,68 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,68 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 68:[28, 14, 5], Operations: ['70-65=5'] Exploring Operation: 14*5=70, Resulting Numbers: [28, 70] Generated Node #0,0,0: 68:[28, 70] Operation: 14*5=70 Exploring Operation: 28/14=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 68:[5, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [5, 14] Generated Node #0,0,2: 68:[5, 14] Operation: 28-14=14 Exploring Operation: 28+5=33, Resulting Numbers: [14, 33] Generated Node #0,0,3: 68:[14, 33] Operation: 28+5=33 Exploring Operation: 14+5=19, Resulting Numbers: [28, 19] Generated Node #0,0,4: 68:[28, 19] Operation: 14+5=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[5, 2], Operations: ['70-65=5', '28/14=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,68 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:[5, 14], Operations: ['70-65=5', '28-14=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 68:[14, 33], Operations: ['70-65=5', '28+5=33'] Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,68 unequal: No Solution Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,68 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,68 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:[28, 70], Operations: ['70-65=5', '14*5=70'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,68 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 #0,0,4 Current State: 68:[28, 19], Operations: ['70-65=5', '14+5=19'] Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,68 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 28*19=532, Resulting Numbers: [532] 532,68 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: 68:[28, 65, 5], Operations: ['70/14=5'] Exploring Operation: 65-28=37, Resulting Numbers: [5, 37] Generated Node #0,3,0: 68:[5, 37] Operation: 65-28=37 Exploring Operation: 65+5=70, Resulting Numbers: [28, 70] Generated Node #0,3,1: 68:[28, 70] Operation: 65+5=70 Exploring Operation: 65/5=13, Resulting Numbers: [28, 13] Generated Node #0,3,2: 68:[28, 13] Operation: 65/5=13 Exploring Operation: 28-5=23, Resulting Numbers: [65, 23] Generated Node #0,3,3: 68:[65, 23] Operation: 28-5=23 Exploring Operation: 28+5=33, Resulting Numbers: [65, 33] Generated Node #0,3,4: 68:[65, 33] Operation: 28+5=33 Moving to Node #0,2,2 Current State: 68:[2, 5], Operations: ['28/14=2', '70-65=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[70, 67], Operations: ['28/14=2', '65+2=67'] Exploring Operation: 70*67=4690, Resulting Numbers: [4690] 4690,68 unequal: No Solution Exploring Operation: 70+67=137, Resulting Numbers: [137] 137,68 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[65, 68], Operations: ['28/14=2', '70-2=68'] Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 65+68=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 65*68=4420, Resulting Numbers: [4420] 4420,68 unequal: No Solution Moving to Node #0,3,4 Current State: 68:[65, 33], Operations: ['70/14=5', '28+5=33'] Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 65*33=2145, Resulting Numbers: [2145] 2145,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[5, 37], Operations: ['70/14=5', '65-28=37'] Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,68 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[65, 35], Operations: ['28/14=2', '70/2=35'] Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,68 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[70, 63], Operations: ['28/14=2', '65-2=63'] Exploring Operation: 70+63=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 70*63=4410, Resulting Numbers: [4410] 4410,68 unequal: No Solution Moving to Node #0,3,1 Current State: 68:[28, 70], Operations: ['70/14=5', '65+5=70'] Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,68 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[65, 23], Operations: ['70/14=5', '28-5=23'] Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,68 unequal: No Solution Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,68 unequal: No Solution Moving to Node #0,3,2 Current State: 68:[28, 13], Operations: ['70/14=5', '65/5=13'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,68 unequal: No Solution Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,68 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 19, 8, 4 ]
71
[ "54+19=73", "8/4=2", "73-2=71" ]
Current State: 71:[54, 19, 8, 4], Operations: [] Exploring Operation: 54+19=73, Resulting Numbers: [8, 4, 73] Generated Node #2: [8, 4, 73] from Operation: 54+19=73 Current State: 71:[8, 4, 73], Operations: ['54+19=73'] Exploring Operation: 8/4=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 8/4=2 Current State: 71:[73, 2], Operations: ['54+19=73', '8/4=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[54, 19, 8, 4], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [54, 19, 32] Generated Node #0,0: 71:[54, 19, 32] Operation: 8*4=32 Exploring Operation: 19*4=76, Resulting Numbers: [54, 8, 76] Generated Node #0,1: 71:[54, 8, 76] Operation: 19*4=76 Exploring Operation: 54+8=62, Resulting Numbers: [19, 4, 62] Generated Node #0,2: 71:[19, 4, 62] Operation: 54+8=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[54, 8, 76], Operations: ['19*4=76'] Exploring Operation: 54-8=46, Resulting Numbers: [76, 46] Generated Node #0,1,0: 71:[76, 46] Operation: 54-8=46 Exploring Operation: 76-8=68, Resulting Numbers: [54, 68] Generated Node #0,1,1: 71:[54, 68] Operation: 76-8=68 Exploring Operation: 54+8=62, Resulting Numbers: [76, 62] Generated Node #0,1,2: 71:[76, 62] Operation: 54+8=62 Moving to Node #0,1,2 Current State: 71:[76, 62], Operations: ['19*4=76', '54+8=62'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 76+62=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 76*62=4712, Resulting Numbers: [4712] 4712,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[54, 68], Operations: ['19*4=76', '76-8=68'] Exploring Operation: 54+68=122, Resulting Numbers: [122] 122,71 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 54*68=3672, Resulting Numbers: [3672] 3672,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[76, 46], Operations: ['19*4=76', '54-8=46'] Exploring Operation: 76*46=3496, Resulting Numbers: [3496] 3496,71 unequal: No Solution Exploring Operation: 76+46=122, Resulting Numbers: [122] 122,71 unequal: No Solution Exploring Operation: 76-46=30, Resulting Numbers: [30] 30,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[54, 19, 32], Operations: ['8*4=32'] Exploring Operation: 19+32=51, Resulting Numbers: [54, 51] Generated Node #0,0,0: 71:[54, 51] Operation: 19+32=51 Exploring Operation: 54+32=86, Resulting Numbers: [19, 86] Generated Node #0,0,1: 71:[19, 86] Operation: 54+32=86 Exploring Operation: 54+19=73, Resulting Numbers: [32, 73] Generated Node #0,0,2: 71:[32, 73] Operation: 54+19=73 Moving to Node #0,0,0 Current State: 71:[54, 51], Operations: ['8*4=32', '19+32=51'] Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 54*51=2754, Resulting Numbers: [2754] 2754,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[32, 73], Operations: ['8*4=32', '54+19=73'] Exploring Operation: 32*73=2336, Resulting Numbers: [2336] 2336,71 unequal: No Solution Exploring Operation: 32+73=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[19, 86], Operations: ['8*4=32', '54+32=86'] Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,71 unequal: No Solution Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[19, 4, 62], Operations: ['54+8=62'] Exploring Operation: 4+62=66, Resulting Numbers: [19, 66] Generated Node #0,2,0: 71:[19, 66] Operation: 4+62=66 Exploring Operation: 19+4=23, Resulting Numbers: [62, 23] Generated Node #0,2,1: 71:[62, 23] Operation: 19+4=23 Exploring Operation: 19*4=76, Resulting Numbers: [62, 76] Generated Node #0,2,2: 71:[62, 76] Operation: 19*4=76 Moving to Node #0,2,2 Current State: 71:[62, 76], Operations: ['54+8=62', '19*4=76'] Exploring Operation: 62+76=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 62*76=4712, Resulting Numbers: [4712] 4712,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[19, 66], Operations: ['54+8=62', '4+62=66'] Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,71 unequal: No Solution Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[62, 23], Operations: ['54+8=62', '19+4=23'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,71 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
[ 48, 18, 71, 8 ]
47
[ "48/8=6", "71-18=53", "53-6=47" ]
Current State: 47:[48, 18, 71, 8], Operations: [] Exploring Operation: 48/8=6, Resulting Numbers: [18, 71, 6] Generated Node #2: [18, 71, 6] from Operation: 48/8=6 Current State: 47:[18, 71, 6], Operations: ['48/8=6'] Exploring Operation: 71-18=53, Resulting Numbers: [6, 53] Generated Node #3: [6, 53] from Operation: 71-18=53 Current State: 47:[6, 53], Operations: ['48/8=6', '71-18=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[48, 18, 71, 8], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [18, 71, 40] Generated Node #0,0: 47:[18, 71, 40] Operation: 48-8=40 Exploring Operation: 71-8=63, Resulting Numbers: [48, 18, 63] Generated Node #0,1: 47:[48, 18, 63] Operation: 71-8=63 Exploring Operation: 18+8=26, Resulting Numbers: [48, 71, 26] Generated Node #0,2: 47:[48, 71, 26] Operation: 18+8=26 Exploring Operation: 71-18=53, Resulting Numbers: [48, 8, 53] Generated Node #0,3: 47:[48, 8, 53] Operation: 71-18=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[48, 18, 63], Operations: ['71-8=63'] Exploring Operation: 18+63=81, Resulting Numbers: [48, 81] Generated Node #0,1,0: 47:[48, 81] Operation: 18+63=81 Exploring Operation: 48-18=30, Resulting Numbers: [63, 30] Generated Node #0,1,1: 47:[63, 30] Operation: 48-18=30 Exploring Operation: 48+18=66, Resulting Numbers: [63, 66] Generated Node #0,1,2: 47:[63, 66] Operation: 48+18=66 Exploring Operation: 63-18=45, Resulting Numbers: [48, 45] Generated Node #0,1,3: 47:[48, 45] Operation: 63-18=45 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 47:[48, 45], Operations: ['71-8=63', '63-18=45'] Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,47 unequal: No Solution No 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: 47:[63, 30], Operations: ['71-8=63', '48-18=30'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 63*30=1890, Resulting Numbers: [1890] 1890,47 unequal: No Solution No 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: 47:[48, 81], Operations: ['71-8=63', '18+63=81'] Exploring Operation: 48*81=3888, Resulting Numbers: [3888] 3888,47 unequal: No Solution Exploring Operation: 48+81=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,47 unequal: No Solution No 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: 47:[63, 66], Operations: ['71-8=63', '48+18=66'] Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 63+66=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 63*66=4158, Resulting Numbers: [4158] 4158,47 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: 47:[48, 71, 26], Operations: ['18+8=26'] Exploring Operation: 48+26=74, Resulting Numbers: [71, 74] Generated Node #0,2,0: 47:[71, 74] Operation: 48+26=74 Exploring Operation: 48-26=22, Resulting Numbers: [71, 22] Generated Node #0,2,1: 47:[71, 22] Operation: 48-26=22 Exploring Operation: 71-26=45, Resulting Numbers: [48, 45] Generated Node #0,2,2: 47:[48, 45] Operation: 71-26=45 Exploring Operation: 71-48=23, Resulting Numbers: [26, 23] Generated Node #0,2,3: 47:[26, 23] Operation: 71-48=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[48, 45], Operations: ['18+8=26', '71-26=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,47 unequal: No Solution No 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: 47:[26, 23], Operations: ['18+8=26', '71-48=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,47 unequal: No Solution No 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: 47:[71, 22], Operations: ['18+8=26', '48-26=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,47 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,47 unequal: No Solution No 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: 47:[71, 74], Operations: ['18+8=26', '48+26=74'] Exploring Operation: 71+74=145, Resulting Numbers: [145] 145,47 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 71*74=5254, Resulting Numbers: [5254] 5254,47 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: 47:[48, 8, 53], Operations: ['71-18=53'] Exploring Operation: 8+53=61, Resulting Numbers: [48, 61] Generated Node #0,3,0: 47:[48, 61] Operation: 8+53=61 Exploring Operation: 48+8=56, Resulting Numbers: [53, 56] Generated Node #0,3,1: 47:[53, 56] Operation: 48+8=56 Exploring Operation: 53-8=45, Resulting Numbers: [48, 45] Generated Node #0,3,2: 47:[48, 45] Operation: 53-8=45 Exploring Operation: 48-8=40, Resulting Numbers: [53, 40] Generated Node #0,3,3: 47:[53, 40] Operation: 48-8=40 Moving to Node #0,3,2 Current State: 47:[48, 45], Operations: ['71-18=53', '53-8=45'] Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,47 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[53, 40], Operations: ['71-18=53', '48-8=40'] Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,47 unequal: No Solution Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[53, 56], Operations: ['71-18=53', '48+8=56'] Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 53*56=2968, Resulting Numbers: [2968] 2968,47 unequal: No Solution Exploring Operation: 53+56=109, Resulting Numbers: [109] 109,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[48, 61], Operations: ['71-18=53', '8+53=61'] Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,47 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,47 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 Current State: 47:[18, 71, 40], Operations: ['48-8=40'] Exploring Operation: 18+71=89, Resulting Numbers: [40, 89] Generated Node #0,0,0: 47:[40, 89] Operation: 18+71=89 Exploring Operation: 18+40=58, Resulting Numbers: [71, 58] Generated Node #0,0,1: 47:[71, 58] Operation: 18+40=58 Exploring Operation: 71-18=53, Resulting Numbers: [40, 53] Generated Node #0,0,2: 47:[40, 53] Operation: 71-18=53 Exploring Operation: 71-40=31, Resulting Numbers: [18, 31] Generated Node #0,0,3: 47:[18, 31] Operation: 71-40=31 Moving to Node #0,0,2 Current State: 47:[40, 53], Operations: ['48-8=40', '71-18=53'] Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,47 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[71, 58], Operations: ['48-8=40', '18+40=58'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 71+58=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 71*58=4118, Resulting Numbers: [4118] 4118,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[18, 31], Operations: ['48-8=40', '71-40=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[40, 89], Operations: ['48-8=40', '18+71=89'] Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,47 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,47 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
[ 98, 54, 7, 5 ]
21
[ "98+54=152", "152-5=147", "147/7=21" ]
Current State: 21:[98, 54, 7, 5], Operations: [] Exploring Operation: 98+54=152, Resulting Numbers: [7, 5, 152] Generated Node #2: [7, 5, 152] from Operation: 98+54=152 Current State: 21:[7, 5, 152], Operations: ['98+54=152'] Exploring Operation: 152-5=147, Resulting Numbers: [7, 147] Generated Node #3: [7, 147] from Operation: 152-5=147 Current State: 21:[7, 147], Operations: ['98+54=152', '152-5=147'] Exploring Operation: 147/7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[98, 54, 7, 5], Operations: [] Exploring Operation: 98-5=93, Resulting Numbers: [54, 7, 93] Generated Node #0,0: 21:[54, 7, 93] Operation: 98-5=93 Exploring Operation: 98-54=44, Resulting Numbers: [7, 5, 44] Generated Node #0,1: 21:[7, 5, 44] Operation: 98-54=44 Exploring Operation: 98/7=14, Resulting Numbers: [54, 5, 14] Generated Node #0,2: 21:[54, 5, 14] Operation: 98/7=14 Exploring Operation: 98-7=91, Resulting Numbers: [54, 5, 91] Generated Node #0,3: 21:[54, 5, 91] Operation: 98-7=91 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[7, 5, 44], Operations: ['98-54=44'] Exploring Operation: 44-7=37, Resulting Numbers: [5, 37] Generated Node #0,1,0: 21:[5, 37] Operation: 44-7=37 Exploring Operation: 7+5=12, Resulting Numbers: [44, 12] Generated Node #0,1,1: 21:[44, 12] Operation: 7+5=12 Exploring Operation: 7-5=2, Resulting Numbers: [44, 2] Generated Node #0,1,2: 21:[44, 2] Operation: 7-5=2 Exploring Operation: 44-5=39, Resulting Numbers: [7, 39] Generated Node #0,1,3: 21:[7, 39] Operation: 44-5=39 Moving to Node #0,1,0 Current State: 21:[5, 37], Operations: ['98-54=44', '44-7=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,21 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,21 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[7, 39], Operations: ['98-54=44', '44-5=39'] Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,21 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[44, 2], Operations: ['98-54=44', '7-5=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,21 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[44, 12], Operations: ['98-54=44', '7+5=12'] Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,21 unequal: No Solution Exploring Operation: 44*12=528, Resulting Numbers: [528] 528,21 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,21 unequal: No Solution No 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: 21:[54, 5, 14], Operations: ['98/7=14'] Exploring Operation: 5+14=19, Resulting Numbers: [54, 19] Generated Node #0,2,0: 21:[54, 19] Operation: 5+14=19 Exploring Operation: 54-14=40, Resulting Numbers: [5, 40] Generated Node #0,2,1: 21:[5, 40] Operation: 54-14=40 Exploring Operation: 54-5=49, Resulting Numbers: [14, 49] Generated Node #0,2,2: 21:[14, 49] Operation: 54-5=49 Exploring Operation: 14-5=9, Resulting Numbers: [54, 9] Generated Node #0,2,3: 21:[54, 9] Operation: 14-5=9 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 21:[5, 40], Operations: ['98/7=14', '54-14=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,21 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,21 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,21 unequal: No Solution No 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: 21:[54, 19], Operations: ['98/7=14', '5+14=19'] Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 54*19=1026, Resulting Numbers: [1026] 1026,21 unequal: No Solution Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,21 unequal: No Solution No 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: 21:[14, 49], Operations: ['98/7=14', '54-5=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,21 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,21 unequal: No Solution No 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: 21:[54, 9], Operations: ['98/7=14', '14-5=9'] Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,21 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,21 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: 21:[54, 7, 93], Operations: ['98-5=93'] Exploring Operation: 93-54=39, Resulting Numbers: [7, 39] Generated Node #0,0,0: 21:[7, 39] Operation: 93-54=39 Exploring Operation: 93-7=86, Resulting Numbers: [54, 86] Generated Node #0,0,1: 21:[54, 86] Operation: 93-7=86 Exploring Operation: 54+7=61, Resulting Numbers: [93, 61] Generated Node #0,0,2: 21:[93, 61] Operation: 54+7=61 Exploring Operation: 54-7=47, Resulting Numbers: [93, 47] Generated Node #0,0,3: 21:[93, 47] Operation: 54-7=47 Moving to Node #0,0,0 Current State: 21:[7, 39], Operations: ['98-5=93', '93-54=39'] Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,21 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[93, 47], Operations: ['98-5=93', '54-7=47'] Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,21 unequal: No Solution Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[54, 86], Operations: ['98-5=93', '93-7=86'] Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,21 unequal: No Solution Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[93, 61], Operations: ['98-5=93', '54+7=61'] Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 93+61=154, Resulting Numbers: [154] 154,21 unequal: No Solution Exploring Operation: 93*61=5673, Resulting Numbers: [5673] 5673,21 unequal: No Solution No 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: 21:[54, 5, 91], Operations: ['98-7=91'] Exploring Operation: 91-5=86, Resulting Numbers: [54, 86] Generated Node #0,3,0: 21:[54, 86] Operation: 91-5=86 Exploring Operation: 91-54=37, Resulting Numbers: [5, 37] Generated Node #0,3,1: 21:[5, 37] Operation: 91-54=37 Exploring Operation: 54+5=59, Resulting Numbers: [91, 59] Generated Node #0,3,2: 21:[91, 59] Operation: 54+5=59 Exploring Operation: 54-5=49, Resulting Numbers: [91, 49] Generated Node #0,3,3: 21:[91, 49] Operation: 54-5=49 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 21:[5, 37], Operations: ['98-7=91', '91-54=37'] Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,21 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,21 unequal: No Solution No 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: 21:[54, 86], Operations: ['98-7=91', '91-5=86'] Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,21 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,21 unequal: No Solution Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,21 unequal: No Solution No 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: 21:[91, 49], Operations: ['98-7=91', '54-5=49'] Exploring Operation: 91+49=140, Resulting Numbers: [140] 140,21 unequal: No Solution Exploring Operation: 91*49=4459, Resulting Numbers: [4459] 4459,21 unequal: No Solution Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,21 unequal: No Solution No 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: 21:[91, 59], Operations: ['98-7=91', '54+5=59'] Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 91*59=5369, Resulting Numbers: [5369] 5369,21 unequal: No Solution Exploring Operation: 91+59=150, Resulting Numbers: [150] 150,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 29, 59, 36, 59 ]
66
[ "29+36=65", "59/59=1", "65+1=66" ]
Current State: 66:[29, 59, 36, 59], Operations: [] Exploring Operation: 29+36=65, Resulting Numbers: [59, 59, 65] Generated Node #2: [59, 59, 65] from Operation: 29+36=65 Current State: 66:[59, 59, 65], Operations: ['29+36=65'] Exploring Operation: 59/59=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 59/59=1 Current State: 66:[65, 1], Operations: ['29+36=65', '59/59=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[29, 59, 36, 59], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [29, 36, 1] Generated Node #0,0: 66:[29, 36, 1] Operation: 59/59=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[29, 36, 1], Operations: ['59/59=1'] Exploring Operation: 29+36=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 29+36=65 Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['59/59=1', '29+36=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[29, 59, 36, 59], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [29, 36, 1] Generated Node #0,0: 66:[29, 36, 1] Operation: 59/59=1 Moving to Node #0,0 Current State: 66:[29, 36, 1], Operations: ['59/59=1'] Exploring Operation: 29+36=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 29+36=65 Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['59/59=1', '29+36=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 52, 2, 57, 37 ]
92
[ "57-37=20", "2*20=40", "52+40=92" ]
Current State: 92:[52, 2, 57, 37], Operations: [] Exploring Operation: 57-37=20, Resulting Numbers: [52, 2, 20] Generated Node #2: [52, 2, 20] from Operation: 57-37=20 Current State: 92:[52, 2, 20], Operations: ['57-37=20'] Exploring Operation: 2*20=40, Resulting Numbers: [52, 40] Generated Node #3: [52, 40] from Operation: 2*20=40 Current State: 92:[52, 40], Operations: ['57-37=20', '2*20=40'] Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[52, 2, 57, 37], Operations: [] Exploring Operation: 57-52=5, Resulting Numbers: [2, 37, 5] Generated Node #0,0: 92:[2, 37, 5] Operation: 57-52=5 Exploring Operation: 57-37=20, Resulting Numbers: [52, 2, 20] Generated Node #0,1: 92:[52, 2, 20] Operation: 57-37=20 Exploring Operation: 57+37=94, Resulting Numbers: [52, 2, 94] Generated Node #0,2: 92:[52, 2, 94] Operation: 57+37=94 Exploring Operation: 52+37=89, Resulting Numbers: [2, 57, 89] Generated Node #0,3: 92:[2, 57, 89] Operation: 52+37=89 Moving to Node #0,2 Current State: 92:[52, 2, 94], Operations: ['57+37=94'] Exploring Operation: 94-2=92, Resulting Numbers: [52, 92] Generated Node #0,2,0: 92:[52, 92] Operation: 94-2=92 Exploring Operation: 52-2=50, Resulting Numbers: [94, 50] Generated Node #0,2,1: 92:[94, 50] Operation: 52-2=50 Exploring Operation: 94-52=42, Resulting Numbers: [2, 42] Generated Node #0,2,2: 92:[2, 42] Operation: 94-52=42 Exploring Operation: 52/2=26, Resulting Numbers: [94, 26] Generated Node #0,2,3: 92:[94, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[2, 42], Operations: ['57+37=94', '94-52=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,92 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[94, 26], Operations: ['57+37=94', '52/2=26'] Exploring Operation: 94*26=2444, Resulting Numbers: [2444] 2444,92 unequal: No Solution Exploring Operation: 94-26=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 94+26=120, Resulting Numbers: [120] 120,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[52, 92], Operations: ['57+37=94', '94-2=92'] Exploring Operation: 52*92=4784, Resulting Numbers: [4784] 4784,92 unequal: No Solution Exploring Operation: 92-52=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 52+92=144, Resulting Numbers: [144] 144,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[94, 50], Operations: ['57+37=94', '52-2=50'] Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,92 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,92 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: 92:[52, 2, 20], Operations: ['57-37=20'] Exploring Operation: 52-20=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 92:[2, 32] Operation: 52-20=32 Exploring Operation: 2+20=22, Resulting Numbers: [52, 22] Generated Node #0,1,1: 92:[52, 22] Operation: 2+20=22 Exploring Operation: 52/2=26, Resulting Numbers: [20, 26] Generated Node #0,1,2: 92:[20, 26] Operation: 52/2=26 Exploring Operation: 52-2=50, Resulting Numbers: [20, 50] Generated Node #0,1,3: 92:[20, 50] Operation: 52-2=50 Moving to Node #0,0 Current State: 92:[2, 37, 5], Operations: ['57-52=5'] Exploring Operation: 37+5=42, Resulting Numbers: [2, 42] Generated Node #0,0,0: 92:[2, 42] Operation: 37+5=42 Exploring Operation: 37-5=32, Resulting Numbers: [2, 32] Generated Node #0,0,1: 92:[2, 32] Operation: 37-5=32 Exploring Operation: 2+37=39, Resulting Numbers: [5, 39] Generated Node #0,0,2: 92:[5, 39] Operation: 2+37=39 Exploring Operation: 5-2=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 92:[37, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[2, 42], Operations: ['57-52=5', '37+5=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[5, 39], Operations: ['57-52=5', '2+37=39'] Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[2, 32], Operations: ['57-52=5', '37-5=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 92:[37, 3], Operations: ['57-52=5', '5-2=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,92 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,92 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: 92:[2, 57, 89], Operations: ['52+37=89'] Exploring Operation: 57-2=55, Resulting Numbers: [89, 55] Generated Node #0,3,0: 92:[89, 55] Operation: 57-2=55 Exploring Operation: 2+57=59, Resulting Numbers: [89, 59] Generated Node #0,3,1: 92:[89, 59] Operation: 2+57=59 Exploring Operation: 2+89=91, Resulting Numbers: [57, 91] Generated Node #0,3,2: 92:[57, 91] Operation: 2+89=91 Exploring Operation: 89-57=32, Resulting Numbers: [2, 32] Generated Node #0,3,3: 92:[2, 32] Operation: 89-57=32 Moving to Node #0,1,2 Current State: 92:[20, 26], Operations: ['57-37=20', '52/2=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,92 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[20, 50], Operations: ['57-37=20', '52-2=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,92 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[52, 22], Operations: ['57-37=20', '2+20=22'] Exploring Operation: 52*22=1144, Resulting Numbers: [1144] 1144,92 unequal: No Solution Exploring Operation: 52+22=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[2, 32], Operations: ['52+37=89', '89-57=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[2, 32], Operations: ['57-37=20', '52-20=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[57, 91], Operations: ['52+37=89', '2+89=91'] Exploring Operation: 91-57=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 57+91=148, Resulting Numbers: [148] 148,92 unequal: No Solution Exploring Operation: 57*91=5187, Resulting Numbers: [5187] 5187,92 unequal: No Solution Moving to Node #0,3,0 Current State: 92:[89, 55], Operations: ['52+37=89', '57-2=55'] Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,92 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[89, 59], Operations: ['52+37=89', '2+57=59'] Exploring Operation: 89+59=148, Resulting Numbers: [148] 148,92 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 89*59=5251, Resulting Numbers: [5251] 5251,92 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 56, 86, 50, 78 ]
88
[ "78-50=28", "56/28=2", "86+2=88" ]
Current State: 88:[56, 86, 50, 78], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [56, 86, 28] Generated Node #2: [56, 86, 28] from Operation: 78-50=28 Current State: 88:[56, 86, 28], Operations: ['78-50=28'] Exploring Operation: 56/28=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 56/28=2 Current State: 88:[86, 2], Operations: ['78-50=28', '56/28=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[56, 86, 50, 78], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [50, 78, 30] Generated Node #0,0: 88:[50, 78, 30] Operation: 86-56=30 Exploring Operation: 78-56=22, Resulting Numbers: [86, 50, 22] Generated Node #0,1: 88:[86, 50, 22] Operation: 78-56=22 Exploring Operation: 56-50=6, Resulting Numbers: [86, 78, 6] Generated Node #0,2: 88:[86, 78, 6] Operation: 56-50=6 Exploring Operation: 86-78=8, Resulting Numbers: [56, 50, 8] Generated Node #0,3: 88:[56, 50, 8] Operation: 86-78=8 Exploring Operation: 78-50=28, Resulting Numbers: [56, 86, 28] Generated Node #0,4: 88:[56, 86, 28] Operation: 78-50=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[86, 50, 22], Operations: ['78-56=22'] Exploring Operation: 86-22=64, Resulting Numbers: [50, 64] Generated Node #0,1,0: 88:[50, 64] Operation: 86-22=64 Exploring Operation: 50-22=28, Resulting Numbers: [86, 28] Generated Node #0,1,1: 88:[86, 28] Operation: 50-22=28 Exploring Operation: 86+22=108, Resulting Numbers: [50, 108] Generated Node #0,1,2: 88:[50, 108] Operation: 86+22=108 Exploring Operation: 50+22=72, Resulting Numbers: [86, 72] Generated Node #0,1,3: 88:[86, 72] Operation: 50+22=72 Exploring Operation: 86-50=36, Resulting Numbers: [22, 36] Generated Node #0,1,4: 88:[22, 36] Operation: 86-50=36 Moving to Node #0,1,1 Current State: 88:[86, 28], Operations: ['78-56=22', '50-22=28'] Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,88 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[22, 36], Operations: ['78-56=22', '86-50=36'] Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,88 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[86, 72], Operations: ['78-56=22', '50+22=72'] Exploring Operation: 86*72=6192, Resulting Numbers: [6192] 6192,88 unequal: No Solution Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[50, 64], Operations: ['78-56=22', '86-22=64'] Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,88 unequal: No Solution Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[50, 108], Operations: ['78-56=22', '86+22=108'] Exploring Operation: 50*108=5400, Resulting Numbers: [5400] 5400,88 unequal: No Solution Exploring Operation: 108-50=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 50+108=158, Resulting Numbers: [158] 158,88 unequal: No Solution No 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:[86, 78, 6], Operations: ['56-50=6'] Exploring Operation: 78+6=84, Resulting Numbers: [86, 84] Generated Node #0,2,0: 88:[86, 84] Operation: 78+6=84 Exploring Operation: 86+6=92, Resulting Numbers: [78, 92] Generated Node #0,2,1: 88:[78, 92] Operation: 86+6=92 Exploring Operation: 78/6=13, Resulting Numbers: [86, 13] Generated Node #0,2,2: 88:[86, 13] Operation: 78/6=13 Exploring Operation: 86-6=80, Resulting Numbers: [78, 80] Generated Node #0,2,3: 88:[78, 80] Operation: 86-6=80 Exploring Operation: 86-78=8, Resulting Numbers: [6, 8] Generated Node #0,2,4: 88:[6, 8] Operation: 86-78=8 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 88:[6, 8], Operations: ['56-50=6', '86-78=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,88 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 #0,2,2 Current State: 88:[86, 13], Operations: ['56-50=6', '78/6=13'] Exploring Operation: 86*13=1118, Resulting Numbers: [1118] 1118,88 unequal: No Solution Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,88 unequal: No Solution Exploring Operation: 86+13=99, Resulting Numbers: [99] 99,88 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:[86, 84], Operations: ['56-50=6', '78+6=84'] Exploring Operation: 86+84=170, Resulting Numbers: [170] 170,88 unequal: No Solution Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 86*84=7224, Resulting Numbers: [7224] 7224,88 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:[78, 92], Operations: ['56-50=6', '86+6=92'] Exploring Operation: 92-78=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 78*92=7176, Resulting Numbers: [7176] 7176,88 unequal: No Solution Exploring Operation: 78+92=170, Resulting Numbers: [170] 170,88 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 #0,2,3 Current State: 88:[78, 80], Operations: ['56-50=6', '86-6=80'] Exploring Operation: 78+80=158, Resulting Numbers: [158] 158,88 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 78*80=6240, Resulting Numbers: [6240] 6240,88 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 #0,3 Current State: 88:[56, 50, 8], Operations: ['86-78=8'] Exploring Operation: 56/8=7, Resulting Numbers: [50, 7] Generated Node #0,3,0: 88:[50, 7] Operation: 56/8=7 Exploring Operation: 56-8=48, Resulting Numbers: [50, 48] Generated Node #0,3,1: 88:[50, 48] Operation: 56-8=48 Exploring Operation: 50-8=42, Resulting Numbers: [56, 42] Generated Node #0,3,2: 88:[56, 42] Operation: 50-8=42 Exploring Operation: 56+50=106, Resulting Numbers: [8, 106] Generated Node #0,3,3: 88:[8, 106] Operation: 56+50=106 Exploring Operation: 56-50=6, Resulting Numbers: [8, 6] Generated Node #0,3,4: 88:[8, 6] Operation: 56-50=6 Moving to Node #0,3,4 Current State: 88:[8, 6], Operations: ['86-78=8', '56-50=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[50, 7], Operations: ['86-78=8', '56/8=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[50, 48], Operations: ['86-78=8', '56-8=48'] Exploring Operation: 50*48=2400, Resulting Numbers: [2400] 2400,88 unequal: No Solution Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,88 unequal: No Solution Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[56, 42], Operations: ['86-78=8', '50-8=42'] Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,88 unequal: No Solution Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,88 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[8, 106], Operations: ['86-78=8', '56+50=106'] Exploring Operation: 106-8=98, Resulting Numbers: [98] 98,88 unequal: No Solution Exploring Operation: 8+106=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 8*106=848, Resulting Numbers: [848] 848,88 unequal: No Solution No 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: 88:[56, 86, 28], Operations: ['78-50=28'] Exploring Operation: 86-28=58, Resulting Numbers: [56, 58] Generated Node #0,4,0: 88:[56, 58] Operation: 86-28=58 Exploring Operation: 56/28=2, Resulting Numbers: [86, 2] Generated Node #0,4,1: 88:[86, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [86, 28] Generated Node #0,4,2: 88:[86, 28] Operation: 56-28=28 Exploring Operation: 86-56=30, Resulting Numbers: [28, 30] Generated Node #0,4,3: 88:[28, 30] Operation: 86-56=30 Exploring Operation: 56+28=84, Resulting Numbers: [86, 84] Generated Node #0,4,4: 88:[86, 84] Operation: 56+28=84 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 88:[86, 2], Operations: ['78-50=28', '56/28=2'] Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,88 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[56, 86, 50, 78], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [56, 86, 28] Generated Node #0,4: 88:[56, 86, 28] Operation: 78-50=28 Moving to Node #0,4 Current State: 88:[56, 86, 28], Operations: ['78-50=28'] Exploring Operation: 56/28=2, Resulting Numbers: [86, 2] Generated Node #0,4,1: 88:[86, 2] Operation: 56/28=2 Moving to Node #0,4,1 Current State: 88:[86, 2], Operations: ['78-50=28', '56/28=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.934028
hs_5
sum_heuristic
[ 44, 5, 89, 7 ]
95
[ "44+89=133", "5*133=665", "665/7=95" ]
Current State: 95:[44, 5, 89, 7], Operations: [] Exploring Operation: 44+89=133, Resulting Numbers: [5, 7, 133] Generated Node #2: [5, 7, 133] from Operation: 44+89=133 Current State: 95:[5, 7, 133], Operations: ['44+89=133'] Exploring Operation: 5*133=665, Resulting Numbers: [7, 665] Generated Node #3: [7, 665] from Operation: 5*133=665 Current State: 95:[7, 665], Operations: ['44+89=133', '5*133=665'] Exploring Operation: 665/7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[44, 5, 89, 7], Operations: [] Exploring Operation: 44-7=37, Resulting Numbers: [5, 89, 37] Generated Node #0,0: 95:[5, 89, 37] Operation: 44-7=37 Exploring Operation: 44-5=39, Resulting Numbers: [89, 7, 39] Generated Node #0,1: 95:[89, 7, 39] Operation: 44-5=39 Exploring Operation: 89+7=96, Resulting Numbers: [44, 5, 96] Generated Node #0,2: 95:[44, 5, 96] Operation: 89+7=96 Moving to Node #0,0 Current State: 95:[5, 89, 37], Operations: ['44-7=37'] Exploring Operation: 5+89=94, Resulting Numbers: [37, 94] Generated Node #0,0,0: 95:[37, 94] Operation: 5+89=94 Exploring Operation: 37-5=32, Resulting Numbers: [89, 32] Generated Node #0,0,1: 95:[89, 32] Operation: 37-5=32 Exploring Operation: 89-5=84, Resulting Numbers: [37, 84] Generated Node #0,0,2: 95:[37, 84] Operation: 89-5=84 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[37, 94], Operations: ['44-7=37', '5+89=94'] Exploring Operation: 37*94=3478, Resulting Numbers: [3478] 3478,95 unequal: No Solution Exploring Operation: 37+94=131, Resulting Numbers: [131] 131,95 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,95 unequal: No Solution No 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: 95:[89, 32], Operations: ['44-7=37', '37-5=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,95 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,95 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,95 unequal: No Solution No 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: 95:[37, 84], Operations: ['44-7=37', '89-5=84'] Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,95 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,95 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,95 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: 95:[44, 5, 96], Operations: ['89+7=96'] Exploring Operation: 96-5=91, Resulting Numbers: [44, 91] Generated Node #0,2,0: 95:[44, 91] Operation: 96-5=91 Exploring Operation: 44+5=49, Resulting Numbers: [96, 49] Generated Node #0,2,1: 95:[96, 49] Operation: 44+5=49 Exploring Operation: 44-5=39, Resulting Numbers: [96, 39] Generated Node #0,2,2: 95:[96, 39] Operation: 44-5=39 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[96, 39], Operations: ['89+7=96', '44-5=39'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,95 unequal: No Solution Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[44, 91], Operations: ['89+7=96', '96-5=91'] Exploring Operation: 44*91=4004, Resulting Numbers: [4004] 4004,95 unequal: No Solution Exploring Operation: 44+91=135, Resulting Numbers: [135] 135,95 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[96, 49], Operations: ['89+7=96', '44+5=49'] Exploring Operation: 96+49=145, Resulting Numbers: [145] 145,95 unequal: No Solution Exploring Operation: 96*49=4704, Resulting Numbers: [4704] 4704,95 unequal: No Solution Exploring Operation: 96-49=47, Resulting Numbers: [47] 47,95 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: 95:[89, 7, 39], Operations: ['44-5=39'] Exploring Operation: 39-7=32, Resulting Numbers: [89, 32] Generated Node #0,1,0: 95:[89, 32] Operation: 39-7=32 Exploring Operation: 89+7=96, Resulting Numbers: [39, 96] Generated Node #0,1,1: 95:[39, 96] Operation: 89+7=96 Exploring Operation: 89-7=82, Resulting Numbers: [39, 82] Generated Node #0,1,2: 95:[39, 82] Operation: 89-7=82 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[89, 32], Operations: ['44-5=39', '39-7=32'] Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,95 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,95 unequal: No Solution No 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: 95:[39, 96], Operations: ['44-5=39', '89+7=96'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 39*96=3744, Resulting Numbers: [3744] 3744,95 unequal: No Solution Exploring Operation: 39+96=135, Resulting Numbers: [135] 135,95 unequal: No Solution No 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: 95:[39, 82], Operations: ['44-5=39', '89-7=82'] Exploring Operation: 39*82=3198, Resulting Numbers: [3198] 3198,95 unequal: No Solution Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,95 unequal: No Solution Exploring Operation: 39+82=121, Resulting Numbers: [121] 121,95 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
[ 66, 85, 67, 14 ]
100
[ "85-66=19", "67+14=81", "19+81=100" ]
Current State: 100:[66, 85, 67, 14], Operations: [] Exploring Operation: 85-66=19, Resulting Numbers: [67, 14, 19] Generated Node #2: [67, 14, 19] from Operation: 85-66=19 Current State: 100:[67, 14, 19], Operations: ['85-66=19'] Exploring Operation: 67+14=81, Resulting Numbers: [19, 81] Generated Node #3: [19, 81] from Operation: 67+14=81 Current State: 100:[19, 81], Operations: ['85-66=19', '67+14=81'] Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[66, 85, 67, 14], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [85, 14, 1] Generated Node #0,0: 100:[85, 14, 1] Operation: 67-66=1 Exploring Operation: 66-14=52, Resulting Numbers: [85, 67, 52] Generated Node #0,1: 100:[85, 67, 52] Operation: 66-14=52 Exploring Operation: 85-66=19, Resulting Numbers: [67, 14, 19] Generated Node #0,2: 100:[67, 14, 19] Operation: 85-66=19 Exploring Operation: 85-67=18, Resulting Numbers: [66, 14, 18] Generated Node #0,3: 100:[66, 14, 18] Operation: 85-67=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[85, 14, 1], Operations: ['67-66=1'] Exploring Operation: 85+1=86, Resulting Numbers: [14, 86] Generated Node #0,0,0: 100:[14, 86] Operation: 85+1=86 Exploring Operation: 14-1=13, Resulting Numbers: [85, 13] Generated Node #0,0,1: 100:[85, 13] Operation: 14-1=13 Exploring Operation: 85+14=99, Resulting Numbers: [1, 99] Generated Node #0,0,2: 100:[1, 99] Operation: 85+14=99 Exploring Operation: 85*1=85, Resulting Numbers: [14, 85] Generated Node #0,0,3: 100:[14, 85] Operation: 85*1=85 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[1, 99], Operations: ['67-66=1', '85+14=99'] Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 1+99=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[66, 85, 67, 14], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [85, 14, 1] Generated Node #0,0: 100:[85, 14, 1] Operation: 67-66=1 Moving to Node #0,0 Current State: 100:[85, 14, 1], Operations: ['67-66=1'] Exploring Operation: 85+14=99, Resulting Numbers: [1, 99] Generated Node #0,0,2: 100:[1, 99] Operation: 85+14=99 Moving to Node #0,0,2 Current State: 100:[1, 99], Operations: ['67-66=1', '85+14=99'] Exploring Operation: 1+99=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 75, 20, 3, 71 ]
66
[ "75/3=25", "20+71=91", "91-25=66" ]
Current State: 66:[75, 20, 3, 71], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [20, 71, 25] Generated Node #2: [20, 71, 25] from Operation: 75/3=25 Current State: 66:[20, 71, 25], Operations: ['75/3=25'] Exploring Operation: 20+71=91, Resulting Numbers: [25, 91] Generated Node #3: [25, 91] from Operation: 20+71=91 Current State: 66:[25, 91], Operations: ['75/3=25', '20+71=91'] Exploring Operation: 91-25=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[75, 20, 3, 71], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [20, 3, 4] Generated Node #0,0: 66:[20, 3, 4] Operation: 75-71=4 Exploring Operation: 75-3=72, Resulting Numbers: [20, 71, 72] Generated Node #0,1: 66:[20, 71, 72] Operation: 75-3=72 Exploring Operation: 71-3=68, Resulting Numbers: [75, 20, 68] Generated Node #0,2: 66:[75, 20, 68] Operation: 71-3=68 Exploring Operation: 75/3=25, Resulting Numbers: [20, 71, 25] Generated Node #0,3: 66:[20, 71, 25] Operation: 75/3=25 Moving to Node #0,0 Current State: 66:[20, 3, 4], Operations: ['75-71=4'] Exploring Operation: 20+4=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 66:[3, 24] Operation: 20+4=24 Exploring Operation: 3+4=7, Resulting Numbers: [20, 7] Generated Node #0,0,1: 66:[20, 7] Operation: 3+4=7 Exploring Operation: 20+3=23, Resulting Numbers: [4, 23] Generated Node #0,0,2: 66:[4, 23] Operation: 20+3=23 Exploring Operation: 20/4=5, Resulting Numbers: [3, 5] Generated Node #0,0,3: 66:[3, 5] Operation: 20/4=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[3, 5], Operations: ['75-71=4', '20/4=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,66 unequal: No Solution No 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: 66:[3, 24], Operations: ['75-71=4', '20+4=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,66 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,66 unequal: No Solution No 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: 66:[4, 23], Operations: ['75-71=4', '20+3=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,66 unequal: No Solution No 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: 66:[20, 7], Operations: ['75-71=4', '3+4=7'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,66 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: 66:[20, 71, 25], Operations: ['75/3=25'] Exploring Operation: 25-20=5, Resulting Numbers: [71, 5] Generated Node #0,3,0: 66:[71, 5] Operation: 25-20=5 Exploring Operation: 20+25=45, Resulting Numbers: [71, 45] Generated Node #0,3,1: 66:[71, 45] Operation: 20+25=45 Exploring Operation: 71-20=51, Resulting Numbers: [25, 51] Generated Node #0,3,2: 66:[25, 51] Operation: 71-20=51 Exploring Operation: 71-25=46, Resulting Numbers: [20, 46] Generated Node #0,3,3: 66:[20, 46] Operation: 71-25=46 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[71, 5], Operations: ['75/3=25', '25-20=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[75, 20, 3, 71], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [20, 71, 25] Generated Node #0,3: 66:[20, 71, 25] Operation: 75/3=25 Moving to Node #0,3 Current State: 66:[20, 71, 25], Operations: ['75/3=25'] Exploring Operation: 25-20=5, Resulting Numbers: [71, 5] Generated Node #0,3,0: 66:[71, 5] Operation: 25-20=5 Moving to Node #0,3,0 Current State: 66:[71, 5], Operations: ['75/3=25', '25-20=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 11, 11, 13, 43 ]
52
[ "11+11=22", "43-13=30", "22+30=52" ]
Current State: 52:[11, 11, 13, 43], Operations: [] Exploring Operation: 11+11=22, Resulting Numbers: [13, 43, 22] Generated Node #2: [13, 43, 22] from Operation: 11+11=22 Current State: 52:[13, 43, 22], Operations: ['11+11=22'] Exploring Operation: 43-13=30, Resulting Numbers: [22, 30] Generated Node #3: [22, 30] from Operation: 43-13=30 Current State: 52:[22, 30], Operations: ['11+11=22', '43-13=30'] Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[11, 11, 13, 43], Operations: [] Exploring Operation: 11+43=54, Resulting Numbers: [11, 13, 54] Generated Node #0,0: 52:[11, 13, 54] Operation: 11+43=54 Exploring Operation: 11+43=54, Resulting Numbers: [11, 13, 54] Generated Node #0,1: 52:[11, 13, 54] Operation: 11+43=54 Moving to Node #0,0 Current State: 52:[11, 13, 54], Operations: ['11+43=54'] Exploring Operation: 13-11=2, Resulting Numbers: [54, 2] Generated Node #0,0,0: 52:[54, 2] Operation: 13-11=2 Exploring Operation: 11+13=24, Resulting Numbers: [54, 24] Generated Node #0,0,1: 52:[54, 24] Operation: 11+13=24 Moving to Node #0,1 Current State: 52:[11, 13, 54], Operations: ['11+43=54'] Exploring Operation: 13-11=2, Resulting Numbers: [54, 2] Generated Node #0,1,0: 52:[54, 2] Operation: 13-11=2 Exploring Operation: 11+13=24, Resulting Numbers: [54, 24] Generated Node #0,1,1: 52:[54, 24] Operation: 11+13=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[54, 2], Operations: ['11+43=54', '13-11=2'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[11, 11, 13, 43], Operations: [] Exploring Operation: 11+43=54, Resulting Numbers: [11, 13, 54] Generated Node #0,1: 52:[11, 13, 54] Operation: 11+43=54 Moving to Node #0,1 Current State: 52:[11, 13, 54], Operations: ['11+43=54'] Exploring Operation: 13-11=2, Resulting Numbers: [54, 2] Generated Node #0,1,0: 52:[54, 2] Operation: 13-11=2 Moving to Node #0,1,0 Current State: 52:[54, 2], Operations: ['11+43=54', '13-11=2'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 62, 72, 16, 82 ]
98
[ "82-72=10", "16*10=160", "160-62=98" ]
Current State: 98:[62, 72, 16, 82], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [62, 16, 10] Generated Node #2: [62, 16, 10] from Operation: 82-72=10 Current State: 98:[62, 16, 10], Operations: ['82-72=10'] Exploring Operation: 16*10=160, Resulting Numbers: [62, 160] Generated Node #3: [62, 160] from Operation: 16*10=160 Current State: 98:[62, 160], Operations: ['82-72=10', '16*10=160'] Exploring Operation: 160-62=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[62, 72, 16, 82], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [62, 16, 10] Generated Node #0,0: 98:[62, 16, 10] Operation: 82-72=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[62, 16, 10], Operations: ['82-72=10'] Exploring Operation: 62-10=52, Resulting Numbers: [16, 52] Generated Node #0,0,0: 98:[16, 52] Operation: 62-10=52 Moving to Node #0,0,0 Current State: 98:[16, 52], Operations: ['82-72=10', '62-10=52'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,98 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
[ 94, 49, 36, 65 ]
74
[ "94-49=45", "65-36=29", "45+29=74" ]
Current State: 74:[94, 49, 36, 65], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [36, 65, 45] Generated Node #2: [36, 65, 45] from Operation: 94-49=45 Current State: 74:[36, 65, 45], Operations: ['94-49=45'] Exploring Operation: 65-36=29, Resulting Numbers: [45, 29] Generated Node #3: [45, 29] from Operation: 65-36=29 Current State: 74:[45, 29], Operations: ['94-49=45', '65-36=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[94, 49, 36, 65], Operations: [] Exploring Operation: 94-65=29, Resulting Numbers: [49, 36, 29] Generated Node #0,0: 74:[49, 36, 29] Operation: 94-65=29 Exploring Operation: 65-49=16, Resulting Numbers: [94, 36, 16] Generated Node #0,1: 74:[94, 36, 16] Operation: 65-49=16 Exploring Operation: 94-49=45, Resulting Numbers: [36, 65, 45] Generated Node #0,2: 74:[36, 65, 45] Operation: 94-49=45 Moving to Node #0,2 Current State: 74:[36, 65, 45], Operations: ['94-49=45'] Exploring Operation: 65-36=29, Resulting Numbers: [45, 29] Generated Node #0,2,0: 74:[45, 29] Operation: 65-36=29 Exploring Operation: 45-36=9, Resulting Numbers: [65, 9] Generated Node #0,2,1: 74:[65, 9] Operation: 45-36=9 Exploring Operation: 36+45=81, Resulting Numbers: [65, 81] Generated Node #0,2,2: 74:[65, 81] Operation: 36+45=81 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[45, 29], Operations: ['94-49=45', '65-36=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[94, 49, 36, 65], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [36, 65, 45] Generated Node #0,2: 74:[36, 65, 45] Operation: 94-49=45 Moving to Node #0,2 Current State: 74:[36, 65, 45], Operations: ['94-49=45'] Exploring Operation: 65-36=29, Resulting Numbers: [45, 29] Generated Node #0,2,0: 74:[45, 29] Operation: 65-36=29 Moving to Node #0,2,0 Current State: 74:[45, 29], Operations: ['94-49=45', '65-36=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 23, 6, 15, 70 ]
53
[ "23*6=138", "15+70=85", "138-85=53" ]
Current State: 53:[23, 6, 15, 70], Operations: [] Exploring Operation: 23*6=138, Resulting Numbers: [15, 70, 138] Generated Node #2: [15, 70, 138] from Operation: 23*6=138 Current State: 53:[15, 70, 138], Operations: ['23*6=138'] Exploring Operation: 15+70=85, Resulting Numbers: [138, 85] Generated Node #3: [138, 85] from Operation: 15+70=85 Current State: 53:[138, 85], Operations: ['23*6=138', '15+70=85'] Exploring Operation: 138-85=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[23, 6, 15, 70], Operations: [] Exploring Operation: 23+15=38, Resulting Numbers: [6, 70, 38] Generated Node #0,0: 53:[6, 70, 38] Operation: 23+15=38 Exploring Operation: 23+6=29, Resulting Numbers: [15, 70, 29] Generated Node #0,1: 53:[15, 70, 29] Operation: 23+6=29 Exploring Operation: 70-6=64, Resulting Numbers: [23, 15, 64] Generated Node #0,2: 53:[23, 15, 64] Operation: 70-6=64 Exploring Operation: 6+15=21, Resulting Numbers: [23, 70, 21] Generated Node #0,3: 53:[23, 70, 21] Operation: 6+15=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[6, 70, 38], Operations: ['23+15=38'] Exploring Operation: 6+70=76, Resulting Numbers: [38, 76] Generated Node #0,0,0: 53:[38, 76] Operation: 6+70=76 Exploring Operation: 38-6=32, Resulting Numbers: [70, 32] Generated Node #0,0,1: 53:[70, 32] Operation: 38-6=32 Exploring Operation: 70-6=64, Resulting Numbers: [38, 64] Generated Node #0,0,2: 53:[38, 64] Operation: 70-6=64 Exploring Operation: 6+38=44, Resulting Numbers: [70, 44] Generated Node #0,0,3: 53:[70, 44] Operation: 6+38=44 Moving to Node #0,0,2 Current State: 53:[38, 64], Operations: ['23+15=38', '70-6=64'] Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,53 unequal: No Solution Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[70, 44], Operations: ['23+15=38', '6+38=44'] Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,53 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[70, 32], Operations: ['23+15=38', '38-6=32'] Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[38, 76], Operations: ['23+15=38', '6+70=76'] Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,53 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[15, 70, 29], Operations: ['23+6=29'] Exploring Operation: 15+29=44, Resulting Numbers: [70, 44] Generated Node #0,1,0: 53:[70, 44] Operation: 15+29=44 Exploring Operation: 70-29=41, Resulting Numbers: [15, 41] Generated Node #0,1,1: 53:[15, 41] Operation: 70-29=41 Exploring Operation: 70-15=55, Resulting Numbers: [29, 55] Generated Node #0,1,2: 53:[29, 55] Operation: 70-15=55 Exploring Operation: 15+70=85, Resulting Numbers: [29, 85] Generated Node #0,1,3: 53:[29, 85] Operation: 15+70=85 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[70, 44], Operations: ['23+6=29', '15+29=44'] Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,53 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,53 unequal: No Solution No 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: 53:[29, 55], Operations: ['23+6=29', '70-15=55'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,53 unequal: No Solution Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,53 unequal: No Solution No 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: 53:[15, 41], Operations: ['23+6=29', '70-29=41'] Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,53 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,53 unequal: No Solution No 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: 53:[29, 85], Operations: ['23+6=29', '15+70=85'] Exploring Operation: 29+85=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 29*85=2465, Resulting Numbers: [2465] 2465,53 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: 53:[23, 15, 64], Operations: ['70-6=64'] Exploring Operation: 23-15=8, Resulting Numbers: [64, 8] Generated Node #0,2,0: 53:[64, 8] Operation: 23-15=8 Exploring Operation: 64-23=41, Resulting Numbers: [15, 41] Generated Node #0,2,1: 53:[15, 41] Operation: 64-23=41 Exploring Operation: 23+15=38, Resulting Numbers: [64, 38] Generated Node #0,2,2: 53:[64, 38] Operation: 23+15=38 Exploring Operation: 64-15=49, Resulting Numbers: [23, 49] Generated Node #0,2,3: 53:[23, 49] Operation: 64-15=49 Moving to Node #0,2,2 Current State: 53:[64, 38], Operations: ['70-6=64', '23+15=38'] Exploring Operation: 64*38=2432, Resulting Numbers: [2432] 2432,53 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 64+38=102, Resulting Numbers: [102] 102,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[23, 49], Operations: ['70-6=64', '64-15=49'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,53 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[15, 41], Operations: ['70-6=64', '64-23=41'] Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,53 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[64, 8], Operations: ['70-6=64', '23-15=8'] Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,53 unequal: No Solution Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,53 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[23, 70, 21], Operations: ['6+15=21'] Exploring Operation: 70-21=49, Resulting Numbers: [23, 49] Generated Node #0,3,0: 53:[23, 49] Operation: 70-21=49 Exploring Operation: 23+21=44, Resulting Numbers: [70, 44] Generated Node #0,3,1: 53:[70, 44] Operation: 23+21=44 Exploring Operation: 70-23=47, Resulting Numbers: [21, 47] Generated Node #0,3,2: 53:[21, 47] Operation: 70-23=47 Exploring Operation: 23-21=2, Resulting Numbers: [70, 2] Generated Node #0,3,3: 53:[70, 2] Operation: 23-21=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 53:[70, 44], Operations: ['6+15=21', '23+21=44'] Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,53 unequal: No Solution No 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: 53:[23, 49], Operations: ['6+15=21', '70-21=49'] Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,53 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,53 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,53 unequal: No Solution No 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: 53:[21, 47], Operations: ['6+15=21', '70-23=47'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,53 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,53 unequal: No Solution No 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: 53:[70, 2], Operations: ['6+15=21', '23-21=2'] Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,53 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