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, 40, 42, 70 ]
48
[ "70-35=35", "40*42=1680", "1680/35=48" ]
Current State: 48:[35, 40, 42, 70], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [40, 42, 35] Generated Node #2: [40, 42, 35] from Operation: 70-35=35 Current State: 48:[40, 42, 35], Operations: ['70-35=35'] Exploring Operation: 40*42=1680, Resulting Numbers: [35, 1680] Generated Node #3: [35, 1680] from Operation: 40*42=1680 Current State: 48:[35, 1680], Operations: ['70-35=35', '40*42=1680'] Exploring Operation: 1680/35=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[35, 40, 42, 70], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [40, 42, 2] Generated Node #0,0: 48:[40, 42, 2] Operation: 70/35=2 Exploring Operation: 70-40=30, Resulting Numbers: [35, 42, 30] Generated Node #0,1: 48:[35, 42, 30] Operation: 70-40=30 Moving to Node #0,0 Current State: 48:[40, 42, 2], Operations: ['70/35=2'] Exploring Operation: 40/2=20, Resulting Numbers: [42, 20] Generated Node #0,0,0: 48:[42, 20] Operation: 40/2=20 Exploring Operation: 42-40=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 48:[2, 2] Operation: 42-40=2 Moving to Node #0,1 Current State: 48:[35, 42, 30], Operations: ['70-40=30'] Exploring Operation: 42-35=7, Resulting Numbers: [30, 7] Generated Node #0,1,0: 48:[30, 7] Operation: 42-35=7 Exploring Operation: 35-30=5, Resulting Numbers: [42, 5] Generated Node #0,1,1: 48:[42, 5] Operation: 35-30=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[30, 7], Operations: ['70-40=30', '42-35=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,48 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[42, 5], Operations: ['70-40=30', '35-30=5'] Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,48 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: 48:[2, 2], Operations: ['70/35=2', '42-40=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[42, 20], Operations: ['70/35=2', '40/2=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,48 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 16, 68, 81, 95 ]
98
[ "16+68=84", "95-81=14", "84+14=98" ]
Current State: 98:[16, 68, 81, 95], Operations: [] Exploring Operation: 16+68=84, Resulting Numbers: [81, 95, 84] Generated Node #2: [81, 95, 84] from Operation: 16+68=84 Current State: 98:[81, 95, 84], Operations: ['16+68=84'] Exploring Operation: 95-81=14, Resulting Numbers: [84, 14] Generated Node #3: [84, 14] from Operation: 95-81=14 Current State: 98:[84, 14], Operations: ['16+68=84', '95-81=14'] Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[16, 68, 81, 95], Operations: [] Exploring Operation: 68-16=52, Resulting Numbers: [81, 95, 52] Generated Node #0,0: 98:[81, 95, 52] Operation: 68-16=52 Exploring Operation: 95-81=14, Resulting Numbers: [16, 68, 14] Generated Node #0,1: 98:[16, 68, 14] Operation: 95-81=14 Exploring Operation: 81-68=13, Resulting Numbers: [16, 95, 13] Generated Node #0,2: 98:[16, 95, 13] Operation: 81-68=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[16, 95, 13], Operations: ['81-68=13'] Exploring Operation: 16-13=3, Resulting Numbers: [95, 3] Generated Node #0,2,0: 98:[95, 3] Operation: 16-13=3 Exploring Operation: 95+13=108, Resulting Numbers: [16, 108] Generated Node #0,2,1: 98:[16, 108] Operation: 95+13=108 Exploring Operation: 16+95=111, Resulting Numbers: [13, 111] Generated Node #0,2,2: 98:[13, 111] Operation: 16+95=111 Moving to Node #0,2,0 Current State: 98:[95, 3], Operations: ['81-68=13', '16-13=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,98 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[16, 68, 81, 95], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [16, 95, 13] Generated Node #0,2: 98:[16, 95, 13] Operation: 81-68=13 Moving to Node #0,2 Current State: 98:[16, 95, 13], Operations: ['81-68=13'] Exploring Operation: 16-13=3, Resulting Numbers: [95, 3] Generated Node #0,2,0: 98:[95, 3] Operation: 16-13=3 Moving to Node #0,2,0 Current State: 98:[95, 3], Operations: ['81-68=13', '16-13=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 31, 55, 51, 13 ]
22
[ "31+55=86", "51+13=64", "86-64=22" ]
Current State: 22:[31, 55, 51, 13], Operations: [] Exploring Operation: 31+55=86, Resulting Numbers: [51, 13, 86] Generated Node #2: [51, 13, 86] from Operation: 31+55=86 Current State: 22:[51, 13, 86], Operations: ['31+55=86'] Exploring Operation: 51+13=64, Resulting Numbers: [86, 64] Generated Node #3: [86, 64] from Operation: 51+13=64 Current State: 22:[86, 64], Operations: ['31+55=86', '51+13=64'] Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[31, 55, 51, 13], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [31, 13, 4] Generated Node #0,0: 22:[31, 13, 4] Operation: 55-51=4 Exploring Operation: 55-31=24, Resulting Numbers: [51, 13, 24] Generated Node #0,1: 22:[51, 13, 24] Operation: 55-31=24 Exploring Operation: 51-31=20, Resulting Numbers: [55, 13, 20] Generated Node #0,2: 22:[55, 13, 20] Operation: 51-31=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[31, 13, 4], Operations: ['55-51=4'] Exploring Operation: 31-13=18, Resulting Numbers: [4, 18] Generated Node #0,0,0: 22:[4, 18] Operation: 31-13=18 Exploring Operation: 13-4=9, Resulting Numbers: [31, 9] Generated Node #0,0,1: 22:[31, 9] Operation: 13-4=9 Exploring Operation: 31-4=27, Resulting Numbers: [13, 27] Generated Node #0,0,2: 22:[13, 27] Operation: 31-4=27 Moving to Node #0,0,0 Current State: 22:[4, 18], Operations: ['55-51=4', '31-13=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[31, 55, 51, 13], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [31, 13, 4] Generated Node #0,0: 22:[31, 13, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 22:[31, 13, 4], Operations: ['55-51=4'] Exploring Operation: 31-13=18, Resulting Numbers: [4, 18] Generated Node #0,0,0: 22:[4, 18] Operation: 31-13=18 Moving to Node #0,0,0 Current State: 22:[4, 18], Operations: ['55-51=4', '31-13=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 96, 48, 21, 9 ]
93
[ "48-21=27", "27/9=3", "96-3=93" ]
Current State: 93:[96, 48, 21, 9], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [96, 9, 27] Generated Node #2: [96, 9, 27] from Operation: 48-21=27 Current State: 93:[96, 9, 27], Operations: ['48-21=27'] Exploring Operation: 27/9=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 27/9=3 Current State: 93:[96, 3], Operations: ['48-21=27', '27/9=3'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[96, 48, 21, 9], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [96, 9, 27] Generated Node #0,0: 93:[96, 9, 27] Operation: 48-21=27 Exploring Operation: 96/48=2, Resulting Numbers: [21, 9, 2] Generated Node #0,1: 93:[21, 9, 2] Operation: 96/48=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[96, 9, 27], Operations: ['48-21=27'] Exploring Operation: 9+27=36, Resulting Numbers: [96, 36] Generated Node #0,0,0: 93:[96, 36] Operation: 9+27=36 Exploring Operation: 27/9=3, Resulting Numbers: [96, 3] Generated Node #0,0,1: 93:[96, 3] Operation: 27/9=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[96, 3], Operations: ['48-21=27', '27/9=3'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[96, 48, 21, 9], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [96, 9, 27] Generated Node #0,0: 93:[96, 9, 27] Operation: 48-21=27 Moving to Node #0,0 Current State: 93:[96, 9, 27], Operations: ['48-21=27'] Exploring Operation: 27/9=3, Resulting Numbers: [96, 3] Generated Node #0,0,1: 93:[96, 3] Operation: 27/9=3 Moving to Node #0,0,1 Current State: 93:[96, 3], Operations: ['48-21=27', '27/9=3'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 86, 79, 91, 13 ]
71
[ "86-79=7", "91-13=78", "78-7=71" ]
Current State: 71:[86, 79, 91, 13], Operations: [] Exploring Operation: 86-79=7, Resulting Numbers: [91, 13, 7] Generated Node #2: [91, 13, 7] from Operation: 86-79=7 Current State: 71:[91, 13, 7], Operations: ['86-79=7'] Exploring Operation: 91-13=78, Resulting Numbers: [7, 78] Generated Node #3: [7, 78] from Operation: 91-13=78 Current State: 71:[7, 78], Operations: ['86-79=7', '91-13=78'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[86, 79, 91, 13], Operations: [] Exploring Operation: 91-13=78, Resulting Numbers: [86, 79, 78] Generated Node #0,0: 71:[86, 79, 78] Operation: 91-13=78 Exploring Operation: 86-13=73, Resulting Numbers: [79, 91, 73] Generated Node #0,1: 71:[79, 91, 73] Operation: 86-13=73 Moving to Node #0,0 Current State: 71:[86, 79, 78], Operations: ['91-13=78'] Exploring Operation: 86-79=7, Resulting Numbers: [78, 7] Generated Node #0,0,0: 71:[78, 7] Operation: 86-79=7 Exploring Operation: 86-78=8, Resulting Numbers: [79, 8] Generated Node #0,0,1: 71:[79, 8] Operation: 86-78=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[78, 7], Operations: ['91-13=78', '86-79=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[86, 79, 91, 13], Operations: [] Exploring Operation: 91-13=78, Resulting Numbers: [86, 79, 78] Generated Node #0,0: 71:[86, 79, 78] Operation: 91-13=78 Moving to Node #0,0 Current State: 71:[86, 79, 78], Operations: ['91-13=78'] Exploring Operation: 86-79=7, Resulting Numbers: [78, 7] Generated Node #0,0,0: 71:[78, 7] Operation: 86-79=7 Moving to Node #0,0,0 Current State: 71:[78, 7], Operations: ['91-13=78', '86-79=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 3, 3, 3, 8 ]
69
[ "3*3=9", "8*9=72", "72-3=69" ]
Current State: 69:[3, 3, 3, 8], Operations: [] Exploring Operation: 3*3=9, Resulting Numbers: [8, 9] Generated Node #2: [8, 9] from Operation: 3*3=9 Current State: 69:[8, 9], Operations: ['3*3=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,69 equal: Goal Reached Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[3, 3, 3, 8], Operations: [] Exploring Operation: 3*8=24, Resulting Numbers: [3, 3, 24] Generated Node #0,0: 69:[3, 3, 24] Operation: 3*8=24 Moving to Node #0,0 Current State: 69:[3, 3, 24], Operations: ['3*8=24'] Exploring Operation: 24-3=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 69:[3, 21] Operation: 24-3=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[3, 21], Operations: ['3*8=24', '24-3=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,69 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
[ 75, 14, 26, 53 ]
88
[ "75-14=61", "53-26=27", "61+27=88" ]
Current State: 88:[75, 14, 26, 53], Operations: [] Exploring Operation: 75-14=61, Resulting Numbers: [26, 53, 61] Generated Node #2: [26, 53, 61] from Operation: 75-14=61 Current State: 88:[26, 53, 61], Operations: ['75-14=61'] Exploring Operation: 53-26=27, Resulting Numbers: [61, 27] Generated Node #3: [61, 27] from Operation: 53-26=27 Current State: 88:[61, 27], Operations: ['75-14=61', '53-26=27'] Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[75, 14, 26, 53], Operations: [] Exploring Operation: 75-53=22, Resulting Numbers: [14, 26, 22] Generated Node #0,0: 88:[14, 26, 22] Operation: 75-53=22 Moving to Node #0,0 Current State: 88:[14, 26, 22], Operations: ['75-53=22'] Exploring Operation: 26-14=12, Resulting Numbers: [22, 12] Generated Node #0,0,0: 88:[22, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[22, 12], Operations: ['75-53=22', '26-14=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,88 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
[ 46, 15, 67, 37 ]
73
[ "46-15=31", "67+37=104", "104-31=73" ]
Current State: 73:[46, 15, 67, 37], Operations: [] Exploring Operation: 46-15=31, Resulting Numbers: [67, 37, 31] Generated Node #2: [67, 37, 31] from Operation: 46-15=31 Current State: 73:[67, 37, 31], Operations: ['46-15=31'] Exploring Operation: 67+37=104, Resulting Numbers: [31, 104] Generated Node #3: [31, 104] from Operation: 67+37=104 Current State: 73:[31, 104], Operations: ['46-15=31', '67+37=104'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[46, 15, 67, 37], Operations: [] Exploring Operation: 46+15=61, Resulting Numbers: [67, 37, 61] Generated Node #0,0: 73:[67, 37, 61] Operation: 46+15=61 Exploring Operation: 15+67=82, Resulting Numbers: [46, 37, 82] Generated Node #0,1: 73:[46, 37, 82] Operation: 15+67=82 Exploring Operation: 15+37=52, Resulting Numbers: [46, 67, 52] Generated Node #0,2: 73:[46, 67, 52] Operation: 15+37=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[67, 37, 61], Operations: ['46+15=61'] Exploring Operation: 67+37=104, Resulting Numbers: [61, 104] Generated Node #0,0,0: 73:[61, 104] Operation: 67+37=104 Exploring Operation: 67-37=30, Resulting Numbers: [61, 30] Generated Node #0,0,1: 73:[61, 30] Operation: 67-37=30 Exploring Operation: 37+61=98, Resulting Numbers: [67, 98] Generated Node #0,0,2: 73:[67, 98] Operation: 37+61=98 Moving to Node #0,0,2 Current State: 73:[67, 98], Operations: ['46+15=61', '37+61=98'] Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 67+98=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 67*98=6566, Resulting Numbers: [6566] 6566,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[61, 104], Operations: ['46+15=61', '67+37=104'] Exploring Operation: 104-61=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 61+104=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 61*104=6344, Resulting Numbers: [6344] 6344,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[61, 30], Operations: ['46+15=61', '67-37=30'] Exploring Operation: 61*30=1830, Resulting Numbers: [1830] 1830,73 unequal: No Solution Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 61+30=91, Resulting Numbers: [91] 91,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[46, 67, 52], Operations: ['15+37=52'] Exploring Operation: 46+52=98, Resulting Numbers: [67, 98] Generated Node #0,2,0: 73:[67, 98] Operation: 46+52=98 Exploring Operation: 46+67=113, Resulting Numbers: [52, 113] Generated Node #0,2,1: 73:[52, 113] Operation: 46+67=113 Exploring Operation: 67-46=21, Resulting Numbers: [52, 21] Generated Node #0,2,2: 73:[52, 21] Operation: 67-46=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[67, 98], Operations: ['15+37=52', '46+52=98'] Exploring Operation: 67*98=6566, Resulting Numbers: [6566] 6566,73 unequal: No Solution Exploring Operation: 67+98=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[52, 113], Operations: ['15+37=52', '46+67=113'] Exploring Operation: 113-52=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 52*113=5876, Resulting Numbers: [5876] 5876,73 unequal: No Solution Exploring Operation: 52+113=165, Resulting Numbers: [165] 165,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[52, 21], Operations: ['15+37=52', '67-46=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,73 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[46, 15, 67, 37], Operations: [] Exploring Operation: 15+37=52, Resulting Numbers: [46, 67, 52] Generated Node #0,2: 73:[46, 67, 52] Operation: 15+37=52 Moving to Node #0,2 Current State: 73:[46, 67, 52], Operations: ['15+37=52'] Exploring Operation: 67-46=21, Resulting Numbers: [52, 21] Generated Node #0,2,2: 73:[52, 21] Operation: 67-46=21 Moving to Node #0,2,2 Current State: 73:[52, 21], Operations: ['15+37=52', '67-46=21'] Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 6, 33, 24, 99 ]
72
[ "99/33=3", "6-3=3", "24*3=72" ]
Current State: 72:[6, 33, 24, 99], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [6, 24, 3] Generated Node #2: [6, 24, 3] from Operation: 99/33=3 Current State: 72:[6, 24, 3], Operations: ['99/33=3'] Exploring Operation: 6-3=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 6-3=3 Current State: 72:[24, 3], Operations: ['99/33=3', '6-3=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[6, 33, 24, 99], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [6, 24, 3] Generated Node #0,0: 72:[6, 24, 3] Operation: 99/33=3 Moving to Node #0,0 Current State: 72:[6, 24, 3], Operations: ['99/33=3'] Exploring Operation: 24-6=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 72:[3, 18] Operation: 24-6=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[3, 18], Operations: ['99/33=3', '24-6=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,72 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
[ 97, 34, 22, 66 ]
87
[ "97+34=131", "66-22=44", "131-44=87" ]
Current State: 87:[97, 34, 22, 66], Operations: [] Exploring Operation: 97+34=131, Resulting Numbers: [22, 66, 131] Generated Node #2: [22, 66, 131] from Operation: 97+34=131 Current State: 87:[22, 66, 131], Operations: ['97+34=131'] Exploring Operation: 66-22=44, Resulting Numbers: [131, 44] Generated Node #3: [131, 44] from Operation: 66-22=44 Current State: 87:[131, 44], Operations: ['97+34=131', '66-22=44'] Exploring Operation: 131-44=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[97, 34, 22, 66], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [34, 22, 31] Generated Node #0,0: 87:[34, 22, 31] Operation: 97-66=31 Moving to Node #0,0 Current State: 87:[34, 22, 31], Operations: ['97-66=31'] Exploring Operation: 34-31=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 87:[22, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[22, 3], Operations: ['97-66=31', '34-31=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,87 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
[ 79, 66, 85, 2 ]
58
[ "79+66=145", "85+2=87", "145-87=58" ]
Current State: 58:[79, 66, 85, 2], Operations: [] Exploring Operation: 79+66=145, Resulting Numbers: [85, 2, 145] Generated Node #2: [85, 2, 145] from Operation: 79+66=145 Current State: 58:[85, 2, 145], Operations: ['79+66=145'] Exploring Operation: 85+2=87, Resulting Numbers: [145, 87] Generated Node #3: [145, 87] from Operation: 85+2=87 Current State: 58:[145, 87], Operations: ['79+66=145', '85+2=87'] Exploring Operation: 145-87=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[79, 66, 85, 2], Operations: [] Exploring Operation: 85-66=19, Resulting Numbers: [79, 2, 19] Generated Node #0,0: 58:[79, 2, 19] Operation: 85-66=19 Exploring Operation: 85-79=6, Resulting Numbers: [66, 2, 6] Generated Node #0,1: 58:[66, 2, 6] Operation: 85-79=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[66, 2, 6], Operations: ['85-79=6'] Exploring Operation: 66/2=33, Resulting Numbers: [6, 33] Generated Node #0,1,0: 58:[6, 33] Operation: 66/2=33 Exploring Operation: 66-6=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 58:[2, 60] Operation: 66-6=60 Moving to Node #0,1,1 Current State: 58:[2, 60], Operations: ['85-79=6', '66-6=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[79, 66, 85, 2], Operations: [] Exploring Operation: 85-79=6, Resulting Numbers: [66, 2, 6] Generated Node #0,1: 58:[66, 2, 6] Operation: 85-79=6 Moving to Node #0,1 Current State: 58:[66, 2, 6], Operations: ['85-79=6'] Exploring Operation: 66-6=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 58:[2, 60] Operation: 66-6=60 Moving to Node #0,1,1 Current State: 58:[2, 60], Operations: ['85-79=6', '66-6=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 81, 61, 92, 98 ]
48
[ "81+61=142", "92+98=190", "190-142=48" ]
Current State: 48:[81, 61, 92, 98], Operations: [] Exploring Operation: 81+61=142, Resulting Numbers: [92, 98, 142] Generated Node #2: [92, 98, 142] from Operation: 81+61=142 Current State: 48:[92, 98, 142], Operations: ['81+61=142'] Exploring Operation: 92+98=190, Resulting Numbers: [142, 190] Generated Node #3: [142, 190] from Operation: 92+98=190 Current State: 48:[142, 190], Operations: ['81+61=142', '92+98=190'] Exploring Operation: 190-142=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[81, 61, 92, 98], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [81, 98, 31] Generated Node #0,0: 48:[81, 98, 31] Operation: 92-61=31 Exploring Operation: 92-81=11, Resulting Numbers: [61, 98, 11] Generated Node #0,1: 48:[61, 98, 11] Operation: 92-81=11 Exploring Operation: 98-92=6, Resulting Numbers: [81, 61, 6] Generated Node #0,2: 48:[81, 61, 6] Operation: 98-92=6 Exploring Operation: 98-81=17, Resulting Numbers: [61, 92, 17] Generated Node #0,3: 48:[61, 92, 17] Operation: 98-81=17 Exploring Operation: 98-61=37, Resulting Numbers: [81, 92, 37] Generated Node #0,4: 48:[81, 92, 37] Operation: 98-61=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[81, 61, 6], Operations: ['98-92=6'] Exploring Operation: 81+6=87, Resulting Numbers: [61, 87] Generated Node #0,2,0: 48:[61, 87] Operation: 81+6=87 Exploring Operation: 81-6=75, Resulting Numbers: [61, 75] Generated Node #0,2,1: 48:[61, 75] Operation: 81-6=75 Exploring Operation: 61-6=55, Resulting Numbers: [81, 55] Generated Node #0,2,2: 48:[81, 55] Operation: 61-6=55 Exploring Operation: 61+6=67, Resulting Numbers: [81, 67] Generated Node #0,2,3: 48:[81, 67] Operation: 61+6=67 Exploring Operation: 81-61=20, Resulting Numbers: [6, 20] Generated Node #0,2,4: 48:[6, 20] Operation: 81-61=20 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 48:[6, 20], Operations: ['98-92=6', '81-61=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[61, 75], Operations: ['98-92=6', '81-6=75'] Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 61*75=4575, Resulting Numbers: [4575] 4575,48 unequal: No Solution Exploring Operation: 61+75=136, Resulting Numbers: [136] 136,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[81, 55], Operations: ['98-92=6', '61-6=55'] Exploring Operation: 81-55=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 81+55=136, Resulting Numbers: [136] 136,48 unequal: No Solution Exploring Operation: 81*55=4455, Resulting Numbers: [4455] 4455,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[61, 87], Operations: ['98-92=6', '81+6=87'] Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 61+87=148, Resulting Numbers: [148] 148,48 unequal: No Solution Exploring Operation: 61*87=5307, Resulting Numbers: [5307] 5307,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 48:[81, 67], Operations: ['98-92=6', '61+6=67'] Exploring Operation: 81+67=148, Resulting Numbers: [148] 148,48 unequal: No Solution Exploring Operation: 81*67=5427, Resulting Numbers: [5427] 5427,48 unequal: No Solution Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[61, 92, 17], Operations: ['98-81=17'] Exploring Operation: 61-17=44, Resulting Numbers: [92, 44] Generated Node #0,3,0: 48:[92, 44] Operation: 61-17=44 Exploring Operation: 92-17=75, Resulting Numbers: [61, 75] Generated Node #0,3,1: 48:[61, 75] Operation: 92-17=75 Exploring Operation: 92-61=31, Resulting Numbers: [17, 31] Generated Node #0,3,2: 48:[17, 31] Operation: 92-61=31 Exploring Operation: 92+17=109, Resulting Numbers: [61, 109] Generated Node #0,3,3: 48:[61, 109] Operation: 92+17=109 Exploring Operation: 61+17=78, Resulting Numbers: [92, 78] Generated Node #0,3,4: 48:[92, 78] Operation: 61+17=78 Moving to Node #0,3,2 Current State: 48:[17, 31], Operations: ['98-81=17', '92-61=31'] Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[81, 61, 92, 98], Operations: [] Exploring Operation: 98-81=17, Resulting Numbers: [61, 92, 17] Generated Node #0,3: 48:[61, 92, 17] Operation: 98-81=17 Moving to Node #0,3 Current State: 48:[61, 92, 17], Operations: ['98-81=17'] Exploring Operation: 92-61=31, Resulting Numbers: [17, 31] Generated Node #0,3,2: 48:[17, 31] Operation: 92-61=31 Moving to Node #0,3,2 Current State: 48:[17, 31], Operations: ['98-81=17', '92-61=31'] Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 77, 67, 78, 32 ]
99
[ "78-77=1", "67+32=99", "1*99=99" ]
Current State: 99:[77, 67, 78, 32], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [67, 32, 1] Generated Node #2: [67, 32, 1] from Operation: 78-77=1 Current State: 99:[67, 32, 1], Operations: ['78-77=1'] Exploring Operation: 67+32=99, Resulting Numbers: [1, 99] Generated Node #3: [1, 99] from Operation: 67+32=99 Current State: 99:[1, 99], Operations: ['78-77=1', '67+32=99'] Exploring Operation: 1*99=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[77, 67, 78, 32], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [67, 32, 1] Generated Node #0,0: 99:[67, 32, 1] Operation: 78-77=1 Exploring Operation: 77-67=10, Resulting Numbers: [78, 32, 10] Generated Node #0,1: 99:[78, 32, 10] Operation: 77-67=10 Exploring Operation: 67+32=99, Resulting Numbers: [77, 78, 99] Generated Node #0,2: 99:[77, 78, 99] Operation: 67+32=99 Exploring Operation: 67-32=35, Resulting Numbers: [77, 78, 35] Generated Node #0,3: 99:[77, 78, 35] Operation: 67-32=35 Exploring Operation: 78-67=11, Resulting Numbers: [77, 32, 11] Generated Node #0,4: 99:[77, 32, 11] Operation: 78-67=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[78, 32, 10], Operations: ['77-67=10'] Exploring Operation: 78+32=110, Resulting Numbers: [10, 110] Generated Node #0,1,0: 99:[10, 110] Operation: 78+32=110 Exploring Operation: 78-32=46, Resulting Numbers: [10, 46] Generated Node #0,1,1: 99:[10, 46] Operation: 78-32=46 Exploring Operation: 32+10=42, Resulting Numbers: [78, 42] Generated Node #0,1,2: 99:[78, 42] Operation: 32+10=42 Exploring Operation: 78-10=68, Resulting Numbers: [32, 68] Generated Node #0,1,3: 99:[32, 68] Operation: 78-10=68 Exploring Operation: 78+10=88, Resulting Numbers: [32, 88] Generated Node #0,1,4: 99:[32, 88] Operation: 78+10=88 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[10, 110], Operations: ['77-67=10', '78+32=110'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 10*110=1100, Resulting Numbers: [1100] 1100,99 unequal: No Solution Exploring Operation: 10+110=120, Resulting Numbers: [120] 120,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 99:[32, 88], Operations: ['77-67=10', '78+10=88'] Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,99 unequal: No Solution Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,99 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[10, 46], Operations: ['77-67=10', '78-32=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,99 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[78, 42], Operations: ['77-67=10', '32+10=42'] Exploring Operation: 78+42=120, Resulting Numbers: [120] 120,99 unequal: No Solution Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 78*42=3276, Resulting Numbers: [3276] 3276,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[32, 68], Operations: ['77-67=10', '78-10=68'] Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,99 unequal: No Solution Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 99:[77, 32, 11], Operations: ['78-67=11'] Exploring Operation: 77+32=109, Resulting Numbers: [11, 109] Generated Node #0,4,0: 99:[11, 109] Operation: 77+32=109 Exploring Operation: 77/11=7, Resulting Numbers: [32, 7] Generated Node #0,4,1: 99:[32, 7] Operation: 77/11=7 Exploring Operation: 77-32=45, Resulting Numbers: [11, 45] Generated Node #0,4,2: 99:[11, 45] Operation: 77-32=45 Exploring Operation: 32+11=43, Resulting Numbers: [77, 43] Generated Node #0,4,3: 99:[77, 43] Operation: 32+11=43 Exploring Operation: 77+11=88, Resulting Numbers: [32, 88] Generated Node #0,4,4: 99:[32, 88] Operation: 77+11=88 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 99:[32, 7], Operations: ['78-67=11', '77/11=7'] Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,99 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 99:[11, 109], Operations: ['78-67=11', '77+32=109'] Exploring Operation: 11*109=1199, Resulting Numbers: [1199] 1199,99 unequal: No Solution Exploring Operation: 11+109=120, Resulting Numbers: [120] 120,99 unequal: No Solution Exploring Operation: 109-11=98, Resulting Numbers: [98] 98,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 99:[11, 45], Operations: ['78-67=11', '77-32=45'] Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,99 unequal: No Solution Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 99:[32, 88], Operations: ['78-67=11', '77+11=88'] Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,99 unequal: No Solution Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,99 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 99:[77, 43], Operations: ['78-67=11', '32+11=43'] Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,99 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[67, 32, 1], Operations: ['78-77=1'] Exploring Operation: 67+32=99, Resulting Numbers: [1, 99] Generated Node #0,0,0: 99:[1, 99] Operation: 67+32=99 Exploring Operation: 67*1=67, Resulting Numbers: [32, 67] Generated Node #0,0,1: 99:[32, 67] Operation: 67*1=67 Exploring Operation: 67-32=35, Resulting Numbers: [1, 35] Generated Node #0,0,2: 99:[1, 35] Operation: 67-32=35 Exploring Operation: 32+1=33, Resulting Numbers: [67, 33] Generated Node #0,0,3: 99:[67, 33] Operation: 32+1=33 Exploring Operation: 67+1=68, Resulting Numbers: [32, 68] Generated Node #0,0,4: 99:[32, 68] Operation: 67+1=68 Moving to Node #0,0,0 Current State: 99:[1, 99], Operations: ['78-77=1', '67+32=99'] Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[77, 67, 78, 32], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [67, 32, 1] Generated Node #0,0: 99:[67, 32, 1] Operation: 78-77=1 Moving to Node #0,0 Current State: 99:[67, 32, 1], Operations: ['78-77=1'] Exploring Operation: 67+32=99, Resulting Numbers: [1, 99] Generated Node #0,0,0: 99:[1, 99] Operation: 67+32=99 Moving to Node #0,0,0 Current State: 99:[1, 99], Operations: ['78-77=1', '67+32=99'] Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 47, 3, 63, 65 ]
22
[ "47-3=44", "65-63=2", "44/2=22" ]
Current State: 22:[47, 3, 63, 65], Operations: [] Exploring Operation: 47-3=44, Resulting Numbers: [63, 65, 44] Generated Node #2: [63, 65, 44] from Operation: 47-3=44 Current State: 22:[63, 65, 44], Operations: ['47-3=44'] Exploring Operation: 65-63=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 65-63=2 Current State: 22:[44, 2], Operations: ['47-3=44', '65-63=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[47, 3, 63, 65], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [47, 3, 2] Generated Node #0,0: 22:[47, 3, 2] Operation: 65-63=2 Exploring Operation: 65-47=18, Resulting Numbers: [3, 63, 18] Generated Node #0,1: 22:[3, 63, 18] Operation: 65-47=18 Exploring Operation: 63-47=16, Resulting Numbers: [3, 65, 16] Generated Node #0,2: 22:[3, 65, 16] Operation: 63-47=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[47, 3, 2], Operations: ['65-63=2'] Exploring Operation: 3-2=1, Resulting Numbers: [47, 1] Generated Node #0,0,0: 22:[47, 1] Operation: 3-2=1 Exploring Operation: 47-3=44, Resulting Numbers: [2, 44] Generated Node #0,0,1: 22:[2, 44] Operation: 47-3=44 Exploring Operation: 47-2=45, Resulting Numbers: [3, 45] Generated Node #0,0,2: 22:[3, 45] Operation: 47-2=45 Moving to Node #0,0,1 Current State: 22:[2, 44], Operations: ['65-63=2', '47-3=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[47, 3, 63, 65], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [47, 3, 2] Generated Node #0,0: 22:[47, 3, 2] Operation: 65-63=2 Moving to Node #0,0 Current State: 22:[47, 3, 2], Operations: ['65-63=2'] Exploring Operation: 47-3=44, Resulting Numbers: [2, 44] Generated Node #0,0,1: 22:[2, 44] Operation: 47-3=44 Moving to Node #0,0,1 Current State: 22:[2, 44], Operations: ['65-63=2', '47-3=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 77, 22, 62, 6 ]
68
[ "77-62=15", "6*15=90", "90-22=68" ]
Current State: 68:[77, 22, 62, 6], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [22, 6, 15] Generated Node #2: [22, 6, 15] from Operation: 77-62=15 Current State: 68:[22, 6, 15], Operations: ['77-62=15'] Exploring Operation: 6*15=90, Resulting Numbers: [22, 90] Generated Node #3: [22, 90] from Operation: 6*15=90 Current State: 68:[22, 90], Operations: ['77-62=15', '6*15=90'] Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[77, 22, 62, 6], Operations: [] Exploring Operation: 22-6=16, Resulting Numbers: [77, 62, 16] Generated Node #0,0: 68:[77, 62, 16] Operation: 22-6=16 Exploring Operation: 62-22=40, Resulting Numbers: [77, 6, 40] Generated Node #0,1: 68:[77, 6, 40] Operation: 62-22=40 Exploring Operation: 77-6=71, Resulting Numbers: [22, 62, 71] Generated Node #0,2: 68:[22, 62, 71] Operation: 77-6=71 Exploring Operation: 62+6=68, Resulting Numbers: [77, 22, 68] Generated Node #0,3: 68:[77, 22, 68] Operation: 62+6=68 Exploring Operation: 77-62=15, Resulting Numbers: [22, 6, 15] Generated Node #0,4: 68:[22, 6, 15] Operation: 77-62=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 68:[22, 6, 15], Operations: ['77-62=15'] Exploring Operation: 22+15=37, Resulting Numbers: [6, 37] Generated Node #0,4,0: 68:[6, 37] Operation: 22+15=37 Exploring Operation: 22-15=7, Resulting Numbers: [6, 7] Generated Node #0,4,1: 68:[6, 7] Operation: 22-15=7 Exploring Operation: 22-6=16, Resulting Numbers: [15, 16] Generated Node #0,4,2: 68:[15, 16] Operation: 22-6=16 Exploring Operation: 6+15=21, Resulting Numbers: [22, 21] Generated Node #0,4,3: 68:[22, 21] Operation: 6+15=21 Exploring Operation: 22+6=28, Resulting Numbers: [15, 28] Generated Node #0,4,4: 68:[15, 28] Operation: 22+6=28 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 68:[15, 16], Operations: ['77-62=15', '22-6=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,68 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,68 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 #0,4,0 Current State: 68:[6, 37], Operations: ['77-62=15', '22+15=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,68 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,68 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 #0,4,1 Current State: 68:[6, 7], Operations: ['77-62=15', '22-15=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,68 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 #0,4,4 Current State: 68:[15, 28], Operations: ['77-62=15', '22+6=28'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,68 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 #0,4,3 Current State: 68:[22, 21], Operations: ['77-62=15', '6+15=21'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,68 unequal: No Solution Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[22, 62, 71], Operations: ['77-6=71'] Exploring Operation: 71-62=9, Resulting Numbers: [22, 9] Generated Node #0,2,0: 68:[22, 9] Operation: 71-62=9 Exploring Operation: 62-22=40, Resulting Numbers: [71, 40] Generated Node #0,2,1: 68:[71, 40] Operation: 62-22=40 Exploring Operation: 22+71=93, Resulting Numbers: [62, 93] Generated Node #0,2,2: 68:[62, 93] Operation: 22+71=93 Exploring Operation: 71-22=49, Resulting Numbers: [62, 49] Generated Node #0,2,3: 68:[62, 49] Operation: 71-22=49 Exploring Operation: 22+62=84, Resulting Numbers: [71, 84] Generated Node #0,2,4: 68:[71, 84] Operation: 22+62=84 Moving to Node #0,2,1 Current State: 68:[71, 40], Operations: ['77-6=71', '62-22=40'] Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,68 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[22, 9], Operations: ['77-6=71', '71-62=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[71, 84], Operations: ['77-6=71', '22+62=84'] Exploring Operation: 71*84=5964, Resulting Numbers: [5964] 5964,68 unequal: No Solution Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[62, 49], Operations: ['77-6=71', '71-22=49'] Exploring Operation: 62+49=111, Resulting Numbers: [111] 111,68 unequal: No Solution Exploring Operation: 62*49=3038, Resulting Numbers: [3038] 3038,68 unequal: No Solution Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[62, 93], Operations: ['77-6=71', '22+71=93'] Exploring Operation: 62+93=155, Resulting Numbers: [155] 155,68 unequal: No Solution Exploring Operation: 62*93=5766, Resulting Numbers: [5766] 5766,68 unequal: No Solution Exploring Operation: 93-62=31, Resulting Numbers: [31] 31,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[77, 22, 68], Operations: ['62+6=68'] Exploring Operation: 68-22=46, Resulting Numbers: [77, 46] Generated Node #0,3,0: 68:[77, 46] Operation: 68-22=46 Exploring Operation: 77+22=99, Resulting Numbers: [68, 99] Generated Node #0,3,1: 68:[68, 99] Operation: 77+22=99 Exploring Operation: 77-68=9, Resulting Numbers: [22, 9] Generated Node #0,3,2: 68:[22, 9] Operation: 77-68=9 Exploring Operation: 77-22=55, Resulting Numbers: [68, 55] Generated Node #0,3,3: 68:[68, 55] Operation: 77-22=55 Exploring Operation: 22+68=90, Resulting Numbers: [77, 90] Generated Node #0,3,4: 68:[77, 90] Operation: 22+68=90 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 68:[22, 9], Operations: ['62+6=68', '77-68=9'] Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,68 unequal: No Solution Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,68 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 #0,3,3 Current State: 68:[68, 55], Operations: ['62+6=68', '77-22=55'] Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 68*55=3740, Resulting Numbers: [3740] 3740,68 unequal: No Solution Exploring Operation: 68+55=123, Resulting Numbers: [123] 123,68 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 #0,3,0 Current State: 68:[77, 46], Operations: ['62+6=68', '68-22=46'] Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,68 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,68 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 #0,3,1 Current State: 68:[68, 99], Operations: ['62+6=68', '77+22=99'] Exploring Operation: 68*99=6732, Resulting Numbers: [6732] 6732,68 unequal: No Solution Exploring Operation: 68+99=167, Resulting Numbers: [167] 167,68 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,68 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 #0,3,4 Current State: 68:[77, 90], Operations: ['62+6=68', '22+68=90'] Exploring Operation: 77+90=167, Resulting Numbers: [167] 167,68 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 77*90=6930, Resulting Numbers: [6930] 6930,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[77, 62, 16], Operations: ['22-6=16'] Exploring Operation: 77-62=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 68:[16, 15] Operation: 77-62=15 Exploring Operation: 77+16=93, Resulting Numbers: [62, 93] Generated Node #0,0,1: 68:[62, 93] Operation: 77+16=93 Exploring Operation: 62-16=46, Resulting Numbers: [77, 46] Generated Node #0,0,2: 68:[77, 46] Operation: 62-16=46 Exploring Operation: 62+16=78, Resulting Numbers: [77, 78] Generated Node #0,0,3: 68:[77, 78] Operation: 62+16=78 Exploring Operation: 77-16=61, Resulting Numbers: [62, 61] Generated Node #0,0,4: 68:[62, 61] Operation: 77-16=61 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[16, 15], Operations: ['22-6=16', '77-62=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,68 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 #0,0,4 Current State: 68:[62, 61], Operations: ['22-6=16', '77-16=61'] Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,68 unequal: No Solution Exploring Operation: 62*61=3782, Resulting Numbers: [3782] 3782,68 unequal: No Solution Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,68 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 #0,0,3 Current State: 68:[77, 78], Operations: ['22-6=16', '62+16=78'] Exploring Operation: 77+78=155, Resulting Numbers: [155] 155,68 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 77*78=6006, Resulting Numbers: [6006] 6006,68 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 #0,0,2 Current State: 68:[77, 46], Operations: ['22-6=16', '62-16=46'] Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,68 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,68 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,68 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 #0,0,1 Current State: 68:[62, 93], Operations: ['22-6=16', '77+16=93'] Exploring Operation: 62+93=155, Resulting Numbers: [155] 155,68 unequal: No Solution Exploring Operation: 93-62=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 62*93=5766, Resulting Numbers: [5766] 5766,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[77, 6, 40], Operations: ['62-22=40'] Exploring Operation: 77-6=71, Resulting Numbers: [40, 71] Generated Node #0,1,0: 68:[40, 71] Operation: 77-6=71 Exploring Operation: 77+6=83, Resulting Numbers: [40, 83] Generated Node #0,1,1: 68:[40, 83] Operation: 77+6=83 Exploring Operation: 77-40=37, Resulting Numbers: [6, 37] Generated Node #0,1,2: 68:[6, 37] Operation: 77-40=37 Exploring Operation: 40-6=34, Resulting Numbers: [77, 34] Generated Node #0,1,3: 68:[77, 34] Operation: 40-6=34 Exploring Operation: 6+40=46, Resulting Numbers: [77, 46] Generated Node #0,1,4: 68:[77, 46] Operation: 6+40=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 68:[6, 37], Operations: ['62-22=40', '77-40=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,68 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 #0,1,0 Current State: 68:[40, 71], Operations: ['62-22=40', '77-6=71'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 40*71=2840, Resulting Numbers: [2840] 2840,68 unequal: No Solution Exploring Operation: 40+71=111, Resulting Numbers: [111] 111,68 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 #0,1,3 Current State: 68:[77, 34], Operations: ['62-22=40', '40-6=34'] Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,68 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,68 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 #0,1,1 Current State: 68:[40, 83], Operations: ['62-22=40', '77+6=83'] Exploring Operation: 40+83=123, Resulting Numbers: [123] 123,68 unequal: No Solution Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 40*83=3320, Resulting Numbers: [3320] 3320,68 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 #0,1,4 Current State: 68:[77, 46], Operations: ['62-22=40', '6+40=46'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,68 unequal: No Solution Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 68, 2, 98, 87 ]
45
[ "68/2=34", "98-87=11", "34+11=45" ]
Current State: 45:[68, 2, 98, 87], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [98, 87, 34] Generated Node #2: [98, 87, 34] from Operation: 68/2=34 Current State: 45:[98, 87, 34], Operations: ['68/2=34'] Exploring Operation: 98-87=11, Resulting Numbers: [34, 11] Generated Node #3: [34, 11] from Operation: 98-87=11 Current State: 45:[34, 11], Operations: ['68/2=34', '98-87=11'] Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[68, 2, 98, 87], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [68, 2, 11] Generated Node #0,0: 45:[68, 2, 11] Operation: 98-87=11 Moving to Node #0,0 Current State: 45:[68, 2, 11], Operations: ['98-87=11'] Exploring Operation: 68/2=34, Resulting Numbers: [11, 34] Generated Node #0,0,0: 45:[11, 34] Operation: 68/2=34 Moving to Node #0,0,0 Current State: 45:[11, 34], Operations: ['98-87=11', '68/2=34'] Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[68, 2, 98, 87], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [68, 2, 11] Generated Node #0,0: 45:[68, 2, 11] Operation: 98-87=11 Moving to Node #0,0 Current State: 45:[68, 2, 11], Operations: ['98-87=11'] Exploring Operation: 68/2=34, Resulting Numbers: [11, 34] Generated Node #0,0,0: 45:[11, 34] Operation: 68/2=34 Moving to Node #0,0,0 Current State: 45:[11, 34], Operations: ['98-87=11', '68/2=34'] Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 78, 16, 89, 14 ]
19
[ "78+16=94", "89-14=75", "94-75=19" ]
Current State: 19:[78, 16, 89, 14], Operations: [] Exploring Operation: 78+16=94, Resulting Numbers: [89, 14, 94] Generated Node #2: [89, 14, 94] from Operation: 78+16=94 Current State: 19:[89, 14, 94], Operations: ['78+16=94'] Exploring Operation: 89-14=75, Resulting Numbers: [94, 75] Generated Node #3: [94, 75] from Operation: 89-14=75 Current State: 19:[94, 75], Operations: ['78+16=94', '89-14=75'] Exploring Operation: 94-75=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[78, 16, 89, 14], Operations: [] Exploring Operation: 78-16=62, Resulting Numbers: [89, 14, 62] Generated Node #0,0: 19:[89, 14, 62] Operation: 78-16=62 Exploring Operation: 89-16=73, Resulting Numbers: [78, 14, 73] Generated Node #0,1: 19:[78, 14, 73] Operation: 89-16=73 Exploring Operation: 89-78=11, Resulting Numbers: [16, 14, 11] Generated Node #0,2: 19:[16, 14, 11] Operation: 89-78=11 Exploring Operation: 78-14=64, Resulting Numbers: [16, 89, 64] Generated Node #0,3: 19:[16, 89, 64] Operation: 78-14=64 Moving to Node #0,2 Current State: 19:[16, 14, 11], Operations: ['89-78=11'] Exploring Operation: 16-11=5, Resulting Numbers: [14, 5] Generated Node #0,2,0: 19:[14, 5] Operation: 16-11=5 Exploring Operation: 16+11=27, Resulting Numbers: [14, 27] Generated Node #0,2,1: 19:[14, 27] Operation: 16+11=27 Exploring Operation: 16+14=30, Resulting Numbers: [11, 30] Generated Node #0,2,2: 19:[11, 30] Operation: 16+14=30 Exploring Operation: 14+11=25, Resulting Numbers: [16, 25] Generated Node #0,2,3: 19:[16, 25] Operation: 14+11=25 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[16, 25], Operations: ['89-78=11', '14+11=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,19 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,19 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 #0,2,1 Current State: 19:[14, 27], Operations: ['89-78=11', '16+11=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,19 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,19 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 #0,2,0 Current State: 19:[14, 5], Operations: ['89-78=11', '16-11=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[78, 16, 89, 14], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [16, 14, 11] Generated Node #0,2: 19:[16, 14, 11] Operation: 89-78=11 Moving to Node #0,2 Current State: 19:[16, 14, 11], Operations: ['89-78=11'] Exploring Operation: 16-11=5, Resulting Numbers: [14, 5] Generated Node #0,2,0: 19:[14, 5] Operation: 16-11=5 Moving to Node #0,2,0 Current State: 19:[14, 5], Operations: ['89-78=11', '16-11=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 58, 99, 24, 6 ]
45
[ "99-58=41", "24/6=4", "41+4=45" ]
Current State: 45:[58, 99, 24, 6], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [24, 6, 41] Generated Node #2: [24, 6, 41] from Operation: 99-58=41 Current State: 45:[24, 6, 41], Operations: ['99-58=41'] Exploring Operation: 24/6=4, Resulting Numbers: [41, 4] Generated Node #3: [41, 4] from Operation: 24/6=4 Current State: 45:[41, 4], Operations: ['99-58=41', '24/6=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[58, 99, 24, 6], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [58, 6, 75] Generated Node #0,0: 45:[58, 6, 75] Operation: 99-24=75 Exploring Operation: 99-58=41, Resulting Numbers: [24, 6, 41] Generated Node #0,1: 45:[24, 6, 41] Operation: 99-58=41 Moving to Node #0,1 Current State: 45:[24, 6, 41], Operations: ['99-58=41'] Exploring Operation: 24/6=4, Resulting Numbers: [41, 4] Generated Node #0,1,0: 45:[41, 4] Operation: 24/6=4 Exploring Operation: 41-24=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 45:[6, 17] Operation: 41-24=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[6, 17], Operations: ['99-58=41', '41-24=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[41, 4], Operations: ['99-58=41', '24/6=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[58, 99, 24, 6], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [24, 6, 41] Generated Node #0,1: 45:[24, 6, 41] Operation: 99-58=41 Moving to Node #0,1 Current State: 45:[24, 6, 41], Operations: ['99-58=41'] Exploring Operation: 24/6=4, Resulting Numbers: [41, 4] Generated Node #0,1,0: 45:[41, 4] Operation: 24/6=4 Moving to Node #0,1,0 Current State: 45:[41, 4], Operations: ['99-58=41', '24/6=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 65, 46, 52, 41 ]
74
[ "65-46=19", "52+41=93", "93-19=74" ]
Current State: 74:[65, 46, 52, 41], Operations: [] Exploring Operation: 65-46=19, Resulting Numbers: [52, 41, 19] Generated Node #2: [52, 41, 19] from Operation: 65-46=19 Current State: 74:[52, 41, 19], Operations: ['65-46=19'] Exploring Operation: 52+41=93, Resulting Numbers: [19, 93] Generated Node #3: [19, 93] from Operation: 52+41=93 Current State: 74:[19, 93], Operations: ['65-46=19', '52+41=93'] Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[65, 46, 52, 41], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [46, 41, 13] Generated Node #0,0: 74:[46, 41, 13] Operation: 65-52=13 Exploring Operation: 52-46=6, Resulting Numbers: [65, 41, 6] Generated Node #0,1: 74:[65, 41, 6] Operation: 52-46=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[65, 41, 6], Operations: ['52-46=6'] Exploring Operation: 65+6=71, Resulting Numbers: [41, 71] Generated Node #0,1,0: 74:[41, 71] Operation: 65+6=71 Exploring Operation: 41-6=35, Resulting Numbers: [65, 35] Generated Node #0,1,1: 74:[65, 35] Operation: 41-6=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[41, 71], Operations: ['52-46=6', '65+6=71'] Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[65, 35], Operations: ['52-46=6', '41-6=35'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[46, 41, 13], Operations: ['65-52=13'] Exploring Operation: 46-13=33, Resulting Numbers: [41, 33] Generated Node #0,0,0: 74:[41, 33] Operation: 46-13=33 Exploring Operation: 46-41=5, Resulting Numbers: [13, 5] Generated Node #0,0,1: 74:[13, 5] Operation: 46-41=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[41, 33], Operations: ['65-52=13', '46-13=33'] Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[65, 46, 52, 41], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [46, 41, 13] Generated Node #0,0: 74:[46, 41, 13] Operation: 65-52=13 Moving to Node #0,0 Current State: 74:[46, 41, 13], Operations: ['65-52=13'] Exploring Operation: 46-13=33, Resulting Numbers: [41, 33] Generated Node #0,0,0: 74:[41, 33] Operation: 46-13=33 Moving to Node #0,0,0 Current State: 74:[41, 33], Operations: ['65-52=13', '46-13=33'] Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 49, 56, 63, 43 ]
45
[ "49+63=112", "112/56=2", "43+2=45" ]
Current State: 45:[49, 56, 63, 43], Operations: [] Exploring Operation: 49+63=112, Resulting Numbers: [56, 43, 112] Generated Node #2: [56, 43, 112] from Operation: 49+63=112 Current State: 45:[56, 43, 112], Operations: ['49+63=112'] Exploring Operation: 112/56=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 112/56=2 Current State: 45:[43, 2], Operations: ['49+63=112', '112/56=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[49, 56, 63, 43], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [56, 43, 14] Generated Node #0,0: 45:[56, 43, 14] Operation: 63-49=14 Exploring Operation: 63-56=7, Resulting Numbers: [49, 43, 7] Generated Node #0,1: 45:[49, 43, 7] Operation: 63-56=7 Exploring Operation: 56-49=7, Resulting Numbers: [63, 43, 7] Generated Node #0,2: 45:[63, 43, 7] Operation: 56-49=7 Exploring Operation: 63-43=20, Resulting Numbers: [49, 56, 20] Generated Node #0,3: 45:[49, 56, 20] Operation: 63-43=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[49, 43, 7], Operations: ['63-56=7'] Exploring Operation: 49-7=42, Resulting Numbers: [43, 42] Generated Node #0,1,0: 45:[43, 42] Operation: 49-7=42 Exploring Operation: 49-43=6, Resulting Numbers: [7, 6] Generated Node #0,1,1: 45:[7, 6] Operation: 49-43=6 Exploring Operation: 49/7=7, Resulting Numbers: [43, 7] Generated Node #0,1,2: 45:[43, 7] Operation: 49/7=7 Exploring Operation: 43+7=50, Resulting Numbers: [49, 50] Generated Node #0,1,3: 45:[49, 50] Operation: 43+7=50 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[7, 6], Operations: ['63-56=7', '49-43=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,45 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[43, 7], Operations: ['63-56=7', '49/7=7'] Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,45 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[43, 42], Operations: ['63-56=7', '49-7=42'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[49, 50], Operations: ['63-56=7', '43+7=50'] Exploring Operation: 49*50=2450, Resulting Numbers: [2450] 2450,45 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,45 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: 45:[56, 43, 14], Operations: ['63-49=14'] Exploring Operation: 43+14=57, Resulting Numbers: [56, 57] Generated Node #0,0,0: 45:[56, 57] Operation: 43+14=57 Exploring Operation: 56-14=42, Resulting Numbers: [43, 42] Generated Node #0,0,1: 45:[43, 42] Operation: 56-14=42 Exploring Operation: 56/14=4, Resulting Numbers: [43, 4] Generated Node #0,0,2: 45:[43, 4] Operation: 56/14=4 Exploring Operation: 56-43=13, Resulting Numbers: [14, 13] Generated Node #0,0,3: 45:[14, 13] Operation: 56-43=13 Moving to Node #0,0,2 Current State: 45:[43, 4], Operations: ['63-49=14', '56/14=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,45 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[14, 13], Operations: ['63-49=14', '56-43=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[43, 42], Operations: ['63-49=14', '56-14=42'] Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,45 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[56, 57], Operations: ['63-49=14', '43+14=57'] Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,45 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,45 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 #0,3 Current State: 45:[49, 56, 20], Operations: ['63-43=20'] Exploring Operation: 49-20=29, Resulting Numbers: [56, 29] Generated Node #0,3,0: 45:[56, 29] Operation: 49-20=29 Exploring Operation: 56-20=36, Resulting Numbers: [49, 36] Generated Node #0,3,1: 45:[49, 36] Operation: 56-20=36 Exploring Operation: 56-49=7, Resulting Numbers: [20, 7] Generated Node #0,3,2: 45:[20, 7] Operation: 56-49=7 Exploring Operation: 49+20=69, Resulting Numbers: [56, 69] Generated Node #0,3,3: 45:[56, 69] Operation: 49+20=69 Moving to Node #0,3,2 Current State: 45:[20, 7], Operations: ['63-43=20', '56-49=7'] Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,45 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[49, 36], Operations: ['63-43=20', '56-20=36'] Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,45 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[56, 29], Operations: ['63-43=20', '49-20=29'] Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[56, 69], Operations: ['63-43=20', '49+20=69'] Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,45 unequal: No Solution Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,45 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 #0,2 Current State: 45:[63, 43, 7], Operations: ['56-49=7'] Exploring Operation: 63-7=56, Resulting Numbers: [43, 56] Generated Node #0,2,0: 45:[43, 56] Operation: 63-7=56 Exploring Operation: 63-43=20, Resulting Numbers: [7, 20] Generated Node #0,2,1: 45:[7, 20] Operation: 63-43=20 Exploring Operation: 43+7=50, Resulting Numbers: [63, 50] Generated Node #0,2,2: 45:[63, 50] Operation: 43+7=50 Exploring Operation: 63/7=9, Resulting Numbers: [43, 9] Generated Node #0,2,3: 45:[43, 9] Operation: 63/7=9 Moving to Node #0,2,3 Current State: 45:[43, 9], Operations: ['56-49=7', '63/7=9'] Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,45 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[7, 20], Operations: ['56-49=7', '63-43=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[43, 56], Operations: ['56-49=7', '63-7=56'] Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,45 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[63, 50], Operations: ['56-49=7', '43+7=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,45 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 22, 72, 59, 13 ]
22
[ "22+72=94", "59+13=72", "94-72=22" ]
Current State: 22:[22, 72, 59, 13], Operations: [] Exploring Operation: 22+72=94, Resulting Numbers: [59, 13, 94] Generated Node #2: [59, 13, 94] from Operation: 22+72=94 Current State: 22:[59, 13, 94], Operations: ['22+72=94'] Exploring Operation: 59+13=72, Resulting Numbers: [94, 72] Generated Node #3: [94, 72] from Operation: 59+13=72 Current State: 22:[94, 72], Operations: ['22+72=94', '59+13=72'] Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[22, 72, 59, 13], Operations: [] Exploring Operation: 59-22=37, Resulting Numbers: [72, 13, 37] Generated Node #0,0: 22:[72, 13, 37] Operation: 59-22=37 Exploring Operation: 72-13=59, Resulting Numbers: [22, 59, 59] Generated Node #0,1: 22:[22, 59, 59] Operation: 72-13=59 Exploring Operation: 72-22=50, Resulting Numbers: [59, 13, 50] Generated Node #0,2: 22:[59, 13, 50] Operation: 72-22=50 Exploring Operation: 72-59=13, Resulting Numbers: [22, 13, 13] Generated Node #0,3: 22:[22, 13, 13] Operation: 72-59=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[22, 13, 13], Operations: ['72-59=13'] Exploring Operation: 13-13=0, Resulting Numbers: [22, 0] Generated Node #0,3,0: 22:[22, 0] Operation: 13-13=0 Exploring Operation: 22-13=9, Resulting Numbers: [13, 9] Generated Node #0,3,1: 22:[13, 9] Operation: 22-13=9 Exploring Operation: 22-13=9, Resulting Numbers: [13, 9] Generated Node #0,3,2: 22:[13, 9] Operation: 22-13=9 Exploring Operation: 13/13=1, Resulting Numbers: [22, 1] Generated Node #0,3,3: 22:[22, 1] Operation: 13/13=1 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 22:[22, 1], Operations: ['72-59=13', '13/13=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[22, 72, 59, 13], Operations: [] Exploring Operation: 72-59=13, Resulting Numbers: [22, 13, 13] Generated Node #0,3: 22:[22, 13, 13] Operation: 72-59=13 Moving to Node #0,3 Current State: 22:[22, 13, 13], Operations: ['72-59=13'] Exploring Operation: 13/13=1, Resulting Numbers: [22, 1] Generated Node #0,3,3: 22:[22, 1] Operation: 13/13=1 Moving to Node #0,3,3 Current State: 22:[22, 1], Operations: ['72-59=13', '13/13=1'] Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 11, 63, 4, 87 ]
52
[ "11+63=74", "87-74=13", "4*13=52" ]
Current State: 52:[11, 63, 4, 87], Operations: [] Exploring Operation: 11+63=74, Resulting Numbers: [4, 87, 74] Generated Node #2: [4, 87, 74] from Operation: 11+63=74 Current State: 52:[4, 87, 74], Operations: ['11+63=74'] Exploring Operation: 87-74=13, Resulting Numbers: [4, 13] Generated Node #3: [4, 13] from Operation: 87-74=13 Current State: 52:[4, 13], Operations: ['11+63=74', '87-74=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[11, 63, 4, 87], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [11, 4, 24] Generated Node #0,0: 52:[11, 4, 24] Operation: 87-63=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[11, 4, 24], Operations: ['87-63=24'] Exploring Operation: 24-11=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 24-11=13 Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['87-63=24', '24-11=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[11, 63, 4, 87], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [11, 4, 24] Generated Node #0,0: 52:[11, 4, 24] Operation: 87-63=24 Moving to Node #0,0 Current State: 52:[11, 4, 24], Operations: ['87-63=24'] Exploring Operation: 24-11=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 24-11=13 Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['87-63=24', '24-11=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 63, 16, 48, 32 ]
87
[ "16*48=768", "768/32=24", "63+24=87" ]
Current State: 87:[63, 16, 48, 32], Operations: [] Exploring Operation: 16*48=768, Resulting Numbers: [63, 32, 768] Generated Node #2: [63, 32, 768] from Operation: 16*48=768 Current State: 87:[63, 32, 768], Operations: ['16*48=768'] Exploring Operation: 768/32=24, Resulting Numbers: [63, 24] Generated Node #3: [63, 24] from Operation: 768/32=24 Current State: 87:[63, 24], Operations: ['16*48=768', '768/32=24'] Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[63, 16, 48, 32], Operations: [] Exploring Operation: 63-48=15, Resulting Numbers: [16, 32, 15] Generated Node #0,0: 87:[16, 32, 15] Operation: 63-48=15 Exploring Operation: 48/16=3, Resulting Numbers: [63, 32, 3] Generated Node #0,1: 87:[63, 32, 3] Operation: 48/16=3 Moving to Node #0,1 Current State: 87:[63, 32, 3], Operations: ['48/16=3'] Exploring Operation: 63+32=95, Resulting Numbers: [3, 95] Generated Node #0,1,0: 87:[3, 95] Operation: 63+32=95 Exploring Operation: 63-32=31, Resulting Numbers: [3, 31] Generated Node #0,1,1: 87:[3, 31] Operation: 63-32=31 Moving to Node #0,0 Current State: 87:[16, 32, 15], Operations: ['63-48=15'] Exploring Operation: 16+15=31, Resulting Numbers: [32, 31] Generated Node #0,0,0: 87:[32, 31] Operation: 16+15=31 Exploring Operation: 16-15=1, Resulting Numbers: [32, 1] Generated Node #0,0,1: 87:[32, 1] Operation: 16-15=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[32, 31], Operations: ['63-48=15', '16+15=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[32, 1], Operations: ['63-48=15', '16-15=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,87 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: 87:[3, 31], Operations: ['48/16=3', '63-32=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[3, 95], Operations: ['48/16=3', '63+32=95'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,87 unequal: No Solution Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,87 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 19, 60, 38, 57 ]
71
[ "60*57=3420", "3420/38=90", "90-19=71" ]
Current State: 71:[19, 60, 38, 57], Operations: [] Exploring Operation: 60*57=3420, Resulting Numbers: [19, 38, 3420] Generated Node #2: [19, 38, 3420] from Operation: 60*57=3420 Current State: 71:[19, 38, 3420], Operations: ['60*57=3420'] Exploring Operation: 3420/38=90, Resulting Numbers: [19, 90] Generated Node #3: [19, 90] from Operation: 3420/38=90 Current State: 71:[19, 90], Operations: ['60*57=3420', '3420/38=90'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[19, 60, 38, 57], Operations: [] Exploring Operation: 19+38=57, Resulting Numbers: [60, 57, 57] Generated Node #0,0: 71:[60, 57, 57] Operation: 19+38=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[60, 57, 57], Operations: ['19+38=57'] Exploring Operation: 57+57=114, Resulting Numbers: [60, 114] Generated Node #0,0,0: 71:[60, 114] Operation: 57+57=114 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[60, 114], Operations: ['19+38=57', '57+57=114'] Exploring Operation: 114-60=54, Resulting Numbers: [54] 54,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 22, 15, 32, 41 ]
86
[ "32*41=1312", "1312-22=1290", "1290/15=86" ]
Current State: 86:[22, 15, 32, 41], Operations: [] Exploring Operation: 32*41=1312, Resulting Numbers: [22, 15, 1312] Generated Node #2: [22, 15, 1312] from Operation: 32*41=1312 Current State: 86:[22, 15, 1312], Operations: ['32*41=1312'] Exploring Operation: 1312-22=1290, Resulting Numbers: [15, 1290] Generated Node #3: [15, 1290] from Operation: 1312-22=1290 Current State: 86:[15, 1290], Operations: ['32*41=1312', '1312-22=1290'] Exploring Operation: 1290/15=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[22, 15, 32, 41], Operations: [] Exploring Operation: 22-15=7, Resulting Numbers: [32, 41, 7] Generated Node #0,0: 86:[32, 41, 7] Operation: 22-15=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[32, 41, 7], Operations: ['22-15=7'] Exploring Operation: 32+7=39, Resulting Numbers: [41, 39] Generated Node #0,0,0: 86:[41, 39] Operation: 32+7=39 Moving to Node #0,0,0 Current State: 86:[41, 39], Operations: ['22-15=7', '32+7=39'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,86 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
[ 65, 44, 14, 9 ]
40
[ "65-9=56", "56/14=4", "44-4=40" ]
Current State: 40:[65, 44, 14, 9], Operations: [] Exploring Operation: 65-9=56, Resulting Numbers: [44, 14, 56] Generated Node #2: [44, 14, 56] from Operation: 65-9=56 Current State: 40:[44, 14, 56], Operations: ['65-9=56'] Exploring Operation: 56/14=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 56/14=4 Current State: 40:[44, 4], Operations: ['65-9=56', '56/14=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[65, 44, 14, 9], Operations: [] Exploring Operation: 65-14=51, Resulting Numbers: [44, 9, 51] Generated Node #0,0: 40:[44, 9, 51] Operation: 65-14=51 Exploring Operation: 65-44=21, Resulting Numbers: [14, 9, 21] Generated Node #0,1: 40:[14, 9, 21] Operation: 65-44=21 Moving to Node #0,1 Current State: 40:[14, 9, 21], Operations: ['65-44=21'] Exploring Operation: 14-9=5, Resulting Numbers: [21, 5] Generated Node #0,1,0: 40:[21, 5] Operation: 14-9=5 Exploring Operation: 21-14=7, Resulting Numbers: [9, 7] Generated Node #0,1,1: 40:[9, 7] Operation: 21-14=7 Moving to Node #0,0 Current State: 40:[44, 9, 51], Operations: ['65-14=51'] Exploring Operation: 51-44=7, Resulting Numbers: [9, 7] Generated Node #0,0,0: 40:[9, 7] Operation: 51-44=7 Exploring Operation: 51-9=42, Resulting Numbers: [44, 42] Generated Node #0,0,1: 40:[44, 42] Operation: 51-9=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[9, 7], Operations: ['65-14=51', '51-44=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,40 unequal: No Solution No 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: 40:[44, 42], Operations: ['65-14=51', '51-9=42'] Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,40 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,40 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: 40:[21, 5], Operations: ['65-44=21', '14-9=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[9, 7], Operations: ['65-44=21', '21-14=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,40 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 8, 32, 52, 3 ]
53
[ "32/8=4", "52-3=49", "4+49=53" ]
Current State: 53:[8, 32, 52, 3], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [52, 3, 4] Generated Node #2: [52, 3, 4] from Operation: 32/8=4 Current State: 53:[52, 3, 4], Operations: ['32/8=4'] Exploring Operation: 52-3=49, Resulting Numbers: [4, 49] Generated Node #3: [4, 49] from Operation: 52-3=49 Current State: 53:[4, 49], Operations: ['32/8=4', '52-3=49'] Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[8, 32, 52, 3], Operations: [] Exploring Operation: 8*3=24, Resulting Numbers: [32, 52, 24] Generated Node #0,0: 53:[32, 52, 24] Operation: 8*3=24 Moving to Node #0,0 Current State: 53:[32, 52, 24], Operations: ['8*3=24'] Exploring Operation: 32+24=56, Resulting Numbers: [52, 56] Generated Node #0,0,0: 53:[52, 56] Operation: 32+24=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[52, 56], Operations: ['8*3=24', '32+24=56'] Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,53 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
[ 58, 50, 83, 2 ]
93
[ "58-50=8", "83+2=85", "8+85=93" ]
Current State: 93:[58, 50, 83, 2], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [83, 2, 8] Generated Node #2: [83, 2, 8] from Operation: 58-50=8 Current State: 93:[83, 2, 8], Operations: ['58-50=8'] Exploring Operation: 83+2=85, Resulting Numbers: [8, 85] Generated Node #3: [8, 85] from Operation: 83+2=85 Current State: 93:[8, 85], Operations: ['58-50=8', '83+2=85'] Exploring Operation: 8+85=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[58, 50, 83, 2], Operations: [] Exploring Operation: 83-50=33, Resulting Numbers: [58, 2, 33] Generated Node #0,0: 93:[58, 2, 33] Operation: 83-50=33 Exploring Operation: 83-58=25, Resulting Numbers: [50, 2, 25] Generated Node #0,1: 93:[50, 2, 25] Operation: 83-58=25 Exploring Operation: 58-50=8, Resulting Numbers: [83, 2, 8] Generated Node #0,2: 93:[83, 2, 8] Operation: 58-50=8 Exploring Operation: 58+50=108, Resulting Numbers: [83, 2, 108] Generated Node #0,3: 93:[83, 2, 108] Operation: 58+50=108 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[83, 2, 8], Operations: ['58-50=8'] Exploring Operation: 83+8=91, Resulting Numbers: [2, 91] Generated Node #0,2,0: 93:[2, 91] Operation: 83+8=91 Exploring Operation: 8-2=6, Resulting Numbers: [83, 6] Generated Node #0,2,1: 93:[83, 6] Operation: 8-2=6 Exploring Operation: 83+2=85, Resulting Numbers: [8, 85] Generated Node #0,2,2: 93:[8, 85] Operation: 83+2=85 Exploring Operation: 8/2=4, Resulting Numbers: [83, 4] Generated Node #0,2,3: 93:[83, 4] Operation: 8/2=4 Moving to Node #0,2,0 Current State: 93:[2, 91], Operations: ['58-50=8', '83+8=91'] Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[58, 50, 83, 2], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [83, 2, 8] Generated Node #0,2: 93:[83, 2, 8] Operation: 58-50=8 Moving to Node #0,2 Current State: 93:[83, 2, 8], Operations: ['58-50=8'] Exploring Operation: 83+8=91, Resulting Numbers: [2, 91] Generated Node #0,2,0: 93:[2, 91] Operation: 83+8=91 Moving to Node #0,2,0 Current State: 93:[2, 91], Operations: ['58-50=8', '83+8=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 93, 83, 63, 9 ]
44
[ "93-83=10", "63-9=54", "54-10=44" ]
Current State: 44:[93, 83, 63, 9], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [63, 9, 10] Generated Node #2: [63, 9, 10] from Operation: 93-83=10 Current State: 44:[63, 9, 10], Operations: ['93-83=10'] Exploring Operation: 63-9=54, Resulting Numbers: [10, 54] Generated Node #3: [10, 54] from Operation: 63-9=54 Current State: 44:[10, 54], Operations: ['93-83=10', '63-9=54'] Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[93, 83, 63, 9], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [93, 9, 20] Generated Node #0,0: 44:[93, 9, 20] Operation: 83-63=20 Exploring Operation: 93-63=30, Resulting Numbers: [83, 9, 30] Generated Node #0,1: 44:[83, 9, 30] Operation: 93-63=30 Exploring Operation: 93-83=10, Resulting Numbers: [63, 9, 10] Generated Node #0,2: 44:[63, 9, 10] Operation: 93-83=10 Exploring Operation: 63/9=7, Resulting Numbers: [93, 83, 7] Generated Node #0,3: 44:[93, 83, 7] Operation: 63/9=7 Moving to Node #0,2 Current State: 44:[63, 9, 10], Operations: ['93-83=10'] Exploring Operation: 63/9=7, Resulting Numbers: [10, 7] Generated Node #0,2,0: 44:[10, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [10, 54] Generated Node #0,2,1: 44:[10, 54] Operation: 63-9=54 Exploring Operation: 63-10=53, Resulting Numbers: [9, 53] Generated Node #0,2,2: 44:[9, 53] Operation: 63-10=53 Exploring Operation: 10-9=1, Resulting Numbers: [63, 1] Generated Node #0,2,3: 44:[63, 1] Operation: 10-9=1 Moving to Node #0,1 Current State: 44:[83, 9, 30], Operations: ['93-63=30'] Exploring Operation: 83-30=53, Resulting Numbers: [9, 53] Generated Node #0,1,0: 44:[9, 53] Operation: 83-30=53 Exploring Operation: 30-9=21, Resulting Numbers: [83, 21] Generated Node #0,1,1: 44:[83, 21] Operation: 30-9=21 Exploring Operation: 9+30=39, Resulting Numbers: [83, 39] Generated Node #0,1,2: 44:[83, 39] Operation: 9+30=39 Exploring Operation: 83-9=74, Resulting Numbers: [30, 74] Generated Node #0,1,3: 44:[30, 74] Operation: 83-9=74 Moving to Node #0,0 Current State: 44:[93, 9, 20], Operations: ['83-63=20'] Exploring Operation: 9+20=29, Resulting Numbers: [93, 29] Generated Node #0,0,0: 44:[93, 29] Operation: 9+20=29 Exploring Operation: 93-9=84, Resulting Numbers: [20, 84] Generated Node #0,0,1: 44:[20, 84] Operation: 93-9=84 Exploring Operation: 20-9=11, Resulting Numbers: [93, 11] Generated Node #0,0,2: 44:[93, 11] Operation: 20-9=11 Exploring Operation: 93-20=73, Resulting Numbers: [9, 73] Generated Node #0,0,3: 44:[9, 73] Operation: 93-20=73 Moving to Node #0,3 Current State: 44:[93, 83, 7], Operations: ['63/9=7'] Exploring Operation: 83-7=76, Resulting Numbers: [93, 76] Generated Node #0,3,0: 44:[93, 76] Operation: 83-7=76 Exploring Operation: 93-7=86, Resulting Numbers: [83, 86] Generated Node #0,3,1: 44:[83, 86] Operation: 93-7=86 Exploring Operation: 93+7=100, Resulting Numbers: [83, 100] Generated Node #0,3,2: 44:[83, 100] Operation: 93+7=100 Exploring Operation: 93-83=10, Resulting Numbers: [7, 10] Generated Node #0,3,3: 44:[7, 10] Operation: 93-83=10 Moving to Node #0,2,0 Current State: 44:[10, 7], Operations: ['93-83=10', '63/9=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[7, 10], Operations: ['63/9=7', '93-83=10'] Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,44 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[9, 53], Operations: ['93-83=10', '63-10=53'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[93, 83, 63, 9], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [63, 9, 10] Generated Node #0,2: 44:[63, 9, 10] Operation: 93-83=10 Moving to Node #0,2 Current State: 44:[63, 9, 10], Operations: ['93-83=10'] Exploring Operation: 63-10=53, Resulting Numbers: [9, 53] Generated Node #0,2,2: 44:[9, 53] Operation: 63-10=53 Moving to Node #0,2,2 Current State: 44:[9, 53], Operations: ['93-83=10', '63-10=53'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.97309
hs_4
sum_heuristic
[ 20, 96, 1, 4 ]
19
[ "96-20=76", "1*4=4", "76/4=19" ]
Current State: 19:[20, 96, 1, 4], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [1, 4, 76] Generated Node #2: [1, 4, 76] from Operation: 96-20=76 Current State: 19:[1, 4, 76], Operations: ['96-20=76'] Exploring Operation: 1*4=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 1*4=4 Current State: 19:[76, 4], Operations: ['96-20=76', '1*4=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[20, 96, 1, 4], Operations: [] Exploring Operation: 20-1=19, Resulting Numbers: [96, 4, 19] Generated Node #0,0: 19:[96, 4, 19] Operation: 20-1=19 Exploring Operation: 96/4=24, Resulting Numbers: [20, 1, 24] Generated Node #0,1: 19:[20, 1, 24] Operation: 96/4=24 Exploring Operation: 96-20=76, Resulting Numbers: [1, 4, 76] Generated Node #0,2: 19:[1, 4, 76] Operation: 96-20=76 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[20, 1, 24], Operations: ['96/4=24'] Exploring Operation: 20*1=20, Resulting Numbers: [24, 20] Generated Node #0,1,0: 19:[24, 20] Operation: 20*1=20 Exploring Operation: 20-1=19, Resulting Numbers: [24, 19] Generated Node #0,1,1: 19:[24, 19] Operation: 20-1=19 Exploring Operation: 24-1=23, Resulting Numbers: [20, 23] Generated Node #0,1,2: 19:[20, 23] Operation: 24-1=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[24, 19], Operations: ['96/4=24', '20-1=19'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,19 unequal: No Solution No 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: 19:[20, 23], Operations: ['96/4=24', '24-1=23'] Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,19 unequal: No Solution No 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: 19:[24, 20], Operations: ['96/4=24', '20*1=20'] Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,19 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[1, 4, 76], Operations: ['96-20=76'] Exploring Operation: 1+4=5, Resulting Numbers: [76, 5] Generated Node #0,2,0: 19:[76, 5] Operation: 1+4=5 Exploring Operation: 76-1=75, Resulting Numbers: [4, 75] Generated Node #0,2,1: 19:[4, 75] Operation: 76-1=75 Exploring Operation: 76/4=19, Resulting Numbers: [1, 19] Generated Node #0,2,2: 19:[1, 19] Operation: 76/4=19 Moving to Node #0,2,2 Current State: 19:[1, 19], Operations: ['96-20=76', '76/4=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[20, 96, 1, 4], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [1, 4, 76] Generated Node #0,2: 19:[1, 4, 76] Operation: 96-20=76 Moving to Node #0,2 Current State: 19:[1, 4, 76], Operations: ['96-20=76'] Exploring Operation: 76/4=19, Resulting Numbers: [1, 19] Generated Node #0,2,2: 19:[1, 19] Operation: 76/4=19 Moving to Node #0,2,2 Current State: 19:[1, 19], Operations: ['96-20=76', '76/4=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 18, 41, 24, 15 ]
50
[ "18+41=59", "24-15=9", "59-9=50" ]
Current State: 50:[18, 41, 24, 15], Operations: [] Exploring Operation: 18+41=59, Resulting Numbers: [24, 15, 59] Generated Node #2: [24, 15, 59] from Operation: 18+41=59 Current State: 50:[24, 15, 59], Operations: ['18+41=59'] Exploring Operation: 24-15=9, Resulting Numbers: [59, 9] Generated Node #3: [59, 9] from Operation: 24-15=9 Current State: 50:[59, 9], Operations: ['18+41=59', '24-15=9'] Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[18, 41, 24, 15], Operations: [] Exploring Operation: 41-15=26, Resulting Numbers: [18, 24, 26] Generated Node #0,0: 50:[18, 24, 26] Operation: 41-15=26 Exploring Operation: 41-18=23, Resulting Numbers: [24, 15, 23] Generated Node #0,1: 50:[24, 15, 23] Operation: 41-18=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[24, 15, 23], Operations: ['41-18=23'] Exploring Operation: 23-15=8, Resulting Numbers: [24, 8] Generated Node #0,1,0: 50:[24, 8] Operation: 23-15=8 Exploring Operation: 24-15=9, Resulting Numbers: [23, 9] Generated Node #0,1,1: 50:[23, 9] Operation: 24-15=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[24, 8], Operations: ['41-18=23', '23-15=8'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,50 unequal: No Solution No 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: 50:[23, 9], Operations: ['41-18=23', '24-15=9'] Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,50 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: 50:[18, 24, 26], Operations: ['41-15=26'] Exploring Operation: 26-18=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 50:[24, 8] Operation: 26-18=8 Exploring Operation: 24-18=6, Resulting Numbers: [26, 6] Generated Node #0,0,1: 50:[26, 6] Operation: 24-18=6 Moving to Node #0,0,1 Current State: 50:[26, 6], Operations: ['41-15=26', '24-18=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[24, 8], Operations: ['41-15=26', '26-18=8'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,50 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
[ 80, 2, 70, 8 ]
50
[ "80*2=160", "160/8=20", "70-20=50" ]
Current State: 50:[80, 2, 70, 8], Operations: [] Exploring Operation: 80*2=160, Resulting Numbers: [70, 8, 160] Generated Node #2: [70, 8, 160] from Operation: 80*2=160 Current State: 50:[70, 8, 160], Operations: ['80*2=160'] Exploring Operation: 160/8=20, Resulting Numbers: [70, 20] Generated Node #3: [70, 20] from Operation: 160/8=20 Current State: 50:[70, 20], Operations: ['80*2=160', '160/8=20'] Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[80, 2, 70, 8], Operations: [] Exploring Operation: 80-70=10, Resulting Numbers: [2, 8, 10] Generated Node #0,0: 50:[2, 8, 10] Operation: 80-70=10 Moving to Node #0,0 Current State: 50:[2, 8, 10], Operations: ['80-70=10'] Exploring Operation: 2+8=10, Resulting Numbers: [10, 10] Generated Node #0,0,0: 50:[10, 10] Operation: 2+8=10 Moving to Node #0,0,0 Current State: 50:[10, 10], Operations: ['80-70=10', '2+8=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 78, 25, 34 ]
38
[ "78-25=53", "53-34=19", "2*19=38" ]
Current State: 38:[2, 78, 25, 34], Operations: [] Exploring Operation: 78-25=53, Resulting Numbers: [2, 34, 53] Generated Node #2: [2, 34, 53] from Operation: 78-25=53 Current State: 38:[2, 34, 53], Operations: ['78-25=53'] Exploring Operation: 53-34=19, Resulting Numbers: [2, 19] Generated Node #3: [2, 19] from Operation: 53-34=19 Current State: 38:[2, 19], Operations: ['78-25=53', '53-34=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[2, 78, 25, 34], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [25, 34, 39] Generated Node #0,0: 38:[25, 34, 39] Operation: 78/2=39 Exploring Operation: 78-34=44, Resulting Numbers: [2, 25, 44] Generated Node #0,1: 38:[2, 25, 44] Operation: 78-34=44 Exploring Operation: 78-25=53, Resulting Numbers: [2, 34, 53] Generated Node #0,2: 38:[2, 34, 53] Operation: 78-25=53 Exploring Operation: 34-25=9, Resulting Numbers: [2, 78, 9] Generated Node #0,3: 38:[2, 78, 9] Operation: 34-25=9 Moving to Node #0,0 Current State: 38:[25, 34, 39], Operations: ['78/2=39'] Exploring Operation: 39-25=14, Resulting Numbers: [34, 14] Generated Node #0,0,0: 38:[34, 14] Operation: 39-25=14 Exploring Operation: 34-25=9, Resulting Numbers: [39, 9] Generated Node #0,0,1: 38:[39, 9] Operation: 34-25=9 Exploring Operation: 39-34=5, Resulting Numbers: [25, 5] Generated Node #0,0,2: 38:[25, 5] Operation: 39-34=5 Exploring Operation: 25+34=59, Resulting Numbers: [39, 59] Generated Node #0,0,3: 38:[39, 59] Operation: 25+34=59 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[39, 9], Operations: ['78/2=39', '34-25=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,38 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,38 unequal: No Solution No 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: 38:[34, 14], Operations: ['78/2=39', '39-25=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,38 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,38 unequal: No Solution No 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: 38:[25, 5], Operations: ['78/2=39', '39-34=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,38 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,38 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,38 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,38 unequal: No Solution No 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: 38:[39, 59], Operations: ['78/2=39', '25+34=59'] Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,38 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,38 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: 38:[2, 25, 44], Operations: ['78-34=44'] Exploring Operation: 44/2=22, Resulting Numbers: [25, 22] Generated Node #0,1,0: 38:[25, 22] Operation: 44/2=22 Exploring Operation: 44-25=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 38:[2, 19] Operation: 44-25=19 Exploring Operation: 25-2=23, Resulting Numbers: [44, 23] Generated Node #0,1,2: 38:[44, 23] Operation: 25-2=23 Exploring Operation: 44-2=42, Resulting Numbers: [25, 42] Generated Node #0,1,3: 38:[25, 42] Operation: 44-2=42 Moving to Node #0,2 Current State: 38:[2, 34, 53], Operations: ['78-25=53'] Exploring Operation: 34/2=17, Resulting Numbers: [53, 17] Generated Node #0,2,0: 38:[53, 17] Operation: 34/2=17 Exploring Operation: 53-2=51, Resulting Numbers: [34, 51] Generated Node #0,2,1: 38:[34, 51] Operation: 53-2=51 Exploring Operation: 2+34=36, Resulting Numbers: [53, 36] Generated Node #0,2,2: 38:[53, 36] Operation: 2+34=36 Exploring Operation: 53-34=19, Resulting Numbers: [2, 19] Generated Node #0,2,3: 38:[2, 19] Operation: 53-34=19 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[2, 19], Operations: ['78-25=53', '53-34=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[2, 78, 25, 34], Operations: [] Exploring Operation: 78-25=53, Resulting Numbers: [2, 34, 53] Generated Node #0,2: 38:[2, 34, 53] Operation: 78-25=53 Moving to Node #0,2 Current State: 38:[2, 34, 53], Operations: ['78-25=53'] Exploring Operation: 53-34=19, Resulting Numbers: [2, 19] Generated Node #0,2,3: 38:[2, 19] Operation: 53-34=19 Moving to Node #0,2,3 Current State: 38:[2, 19], Operations: ['78-25=53', '53-34=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 3, 77, 6, 42 ]
38
[ "77-3=74", "42-6=36", "74-36=38" ]
Current State: 38:[3, 77, 6, 42], Operations: [] Exploring Operation: 77-3=74, Resulting Numbers: [6, 42, 74] Generated Node #2: [6, 42, 74] from Operation: 77-3=74 Current State: 38:[6, 42, 74], Operations: ['77-3=74'] Exploring Operation: 42-6=36, Resulting Numbers: [74, 36] Generated Node #3: [74, 36] from Operation: 42-6=36 Current State: 38:[74, 36], Operations: ['77-3=74', '42-6=36'] Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[3, 77, 6, 42], Operations: [] Exploring Operation: 42-6=36, Resulting Numbers: [3, 77, 36] Generated Node #0,0: 38:[3, 77, 36] Operation: 42-6=36 Exploring Operation: 77-6=71, Resulting Numbers: [3, 42, 71] Generated Node #0,1: 38:[3, 42, 71] Operation: 77-6=71 Exploring Operation: 77-42=35, Resulting Numbers: [3, 6, 35] Generated Node #0,2: 38:[3, 6, 35] Operation: 77-42=35 Moving to Node #0,2 Current State: 38:[3, 6, 35], Operations: ['77-42=35'] Exploring Operation: 6/3=2, Resulting Numbers: [35, 2] Generated Node #0,2,0: 38:[35, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [35, 3] Generated Node #0,2,1: 38:[35, 3] Operation: 6-3=3 Exploring Operation: 3*6=18, Resulting Numbers: [35, 18] Generated Node #0,2,2: 38:[35, 18] Operation: 3*6=18 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[35, 2], Operations: ['77-42=35', '6/3=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,38 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,38 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,38 unequal: No Solution No 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: 38:[35, 3], Operations: ['77-42=35', '6-3=3'] Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,38 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[3, 77, 6, 42], Operations: [] Exploring Operation: 77-42=35, Resulting Numbers: [3, 6, 35] Generated Node #0,2: 38:[3, 6, 35] Operation: 77-42=35 Moving to Node #0,2 Current State: 38:[3, 6, 35], Operations: ['77-42=35'] Exploring Operation: 6-3=3, Resulting Numbers: [35, 3] Generated Node #0,2,1: 38:[35, 3] Operation: 6-3=3 Moving to Node #0,2,1 Current State: 38:[35, 3], Operations: ['77-42=35', '6-3=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 43, 52, 14, 5 ]
86
[ "43+52=95", "14-5=9", "95-9=86" ]
Current State: 86:[43, 52, 14, 5], Operations: [] Exploring Operation: 43+52=95, Resulting Numbers: [14, 5, 95] Generated Node #2: [14, 5, 95] from Operation: 43+52=95 Current State: 86:[14, 5, 95], Operations: ['43+52=95'] Exploring Operation: 14-5=9, Resulting Numbers: [95, 9] Generated Node #3: [95, 9] from Operation: 14-5=9 Current State: 86:[95, 9], Operations: ['43+52=95', '14-5=9'] Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[43, 52, 14, 5], Operations: [] Exploring Operation: 52-14=38, Resulting Numbers: [43, 5, 38] Generated Node #0,0: 86:[43, 5, 38] Operation: 52-14=38 Exploring Operation: 52-5=47, Resulting Numbers: [43, 14, 47] Generated Node #0,1: 86:[43, 14, 47] Operation: 52-5=47 Moving to Node #0,0 Current State: 86:[43, 5, 38], Operations: ['52-14=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43, 43] Generated Node #0,0,0: 86:[43, 43] Operation: 5+38=43 Exploring Operation: 43-38=5, Resulting Numbers: [5, 5] Generated Node #0,0,1: 86:[5, 5] Operation: 43-38=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[43, 43], Operations: ['52-14=38', '5+38=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[43, 52, 14, 5], Operations: [] Exploring Operation: 52-14=38, Resulting Numbers: [43, 5, 38] Generated Node #0,0: 86:[43, 5, 38] Operation: 52-14=38 Moving to Node #0,0 Current State: 86:[43, 5, 38], Operations: ['52-14=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43, 43] Generated Node #0,0,0: 86:[43, 43] Operation: 5+38=43 Moving to Node #0,0,0 Current State: 86:[43, 43], Operations: ['52-14=38', '5+38=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 73, 37, 41, 96 ]
55
[ "73+37=110", "96-41=55", "110-55=55" ]
Current State: 55:[73, 37, 41, 96], Operations: [] Exploring Operation: 73+37=110, Resulting Numbers: [41, 96, 110] Generated Node #2: [41, 96, 110] from Operation: 73+37=110 Current State: 55:[41, 96, 110], Operations: ['73+37=110'] Exploring Operation: 96-41=55, Resulting Numbers: [110, 55] Generated Node #3: [110, 55] from Operation: 96-41=55 Current State: 55:[110, 55], Operations: ['73+37=110', '96-41=55'] Exploring Operation: 110-55=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[73, 37, 41, 96], Operations: [] Exploring Operation: 96-41=55, Resulting Numbers: [73, 37, 55] Generated Node #0,0: 55:[73, 37, 55] Operation: 96-41=55 Exploring Operation: 96-37=59, Resulting Numbers: [73, 41, 59] Generated Node #0,1: 55:[73, 41, 59] Operation: 96-37=59 Exploring Operation: 96-73=23, Resulting Numbers: [37, 41, 23] Generated Node #0,2: 55:[37, 41, 23] Operation: 96-73=23 Exploring Operation: 41-37=4, Resulting Numbers: [73, 96, 4] Generated Node #0,3: 55:[73, 96, 4] Operation: 41-37=4 Moving to Node #0,0 Current State: 55:[73, 37, 55], Operations: ['96-41=55'] Exploring Operation: 73-37=36, Resulting Numbers: [55, 36] Generated Node #0,0,0: 55:[55, 36] Operation: 73-37=36 Exploring Operation: 55-37=18, Resulting Numbers: [73, 18] Generated Node #0,0,1: 55:[73, 18] Operation: 55-37=18 Exploring Operation: 73+37=110, Resulting Numbers: [55, 110] Generated Node #0,0,2: 55:[55, 110] Operation: 73+37=110 Exploring Operation: 73-55=18, Resulting Numbers: [37, 18] Generated Node #0,0,3: 55:[37, 18] Operation: 73-55=18 Moving to Node #0,1 Current State: 55:[73, 41, 59], Operations: ['96-37=59'] Exploring Operation: 73-59=14, Resulting Numbers: [41, 14] Generated Node #0,1,0: 55:[41, 14] Operation: 73-59=14 Exploring Operation: 73+41=114, Resulting Numbers: [59, 114] Generated Node #0,1,1: 55:[59, 114] Operation: 73+41=114 Exploring Operation: 59-41=18, Resulting Numbers: [73, 18] Generated Node #0,1,2: 55:[73, 18] Operation: 59-41=18 Exploring Operation: 73-41=32, Resulting Numbers: [59, 32] Generated Node #0,1,3: 55:[59, 32] Operation: 73-41=32 Moving to Node #0,2 Current State: 55:[37, 41, 23], Operations: ['96-73=23'] Exploring Operation: 41-23=18, Resulting Numbers: [37, 18] Generated Node #0,2,0: 55:[37, 18] Operation: 41-23=18 Exploring Operation: 41-37=4, Resulting Numbers: [23, 4] Generated Node #0,2,1: 55:[23, 4] Operation: 41-37=4 Exploring Operation: 37-23=14, Resulting Numbers: [41, 14] Generated Node #0,2,2: 55:[41, 14] Operation: 37-23=14 Exploring Operation: 37+23=60, Resulting Numbers: [41, 60] Generated Node #0,2,3: 55:[41, 60] Operation: 37+23=60 Moving to Node #0,3 Current State: 55:[73, 96, 4], Operations: ['41-37=4'] Exploring Operation: 96-4=92, Resulting Numbers: [73, 92] Generated Node #0,3,0: 55:[73, 92] Operation: 96-4=92 Exploring Operation: 96-73=23, Resulting Numbers: [4, 23] Generated Node #0,3,1: 55:[4, 23] Operation: 96-73=23 Exploring Operation: 73-4=69, Resulting Numbers: [96, 69] Generated Node #0,3,2: 55:[96, 69] Operation: 73-4=69 Exploring Operation: 96/4=24, Resulting Numbers: [73, 24] Generated Node #0,3,3: 55:[73, 24] Operation: 96/4=24 Moving to Node #0,2,1 Current State: 55:[23, 4], Operations: ['96-73=23', '41-37=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[4, 23], Operations: ['41-37=4', '96-73=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[41, 14], Operations: ['96-37=59', '73-59=14'] Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[73, 37, 41, 96], Operations: [] Exploring Operation: 96-37=59, Resulting Numbers: [73, 41, 59] Generated Node #0,1: 55:[73, 41, 59] Operation: 96-37=59 Moving to Node #0,1 Current State: 55:[73, 41, 59], Operations: ['96-37=59'] Exploring Operation: 73-59=14, Resulting Numbers: [41, 14] Generated Node #0,1,0: 55:[41, 14] Operation: 73-59=14 Moving to Node #0,1,0 Current State: 55:[41, 14], Operations: ['96-37=59', '73-59=14'] Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.97309
hs_4
sum_heuristic
[ 2, 50, 19, 87 ]
28
[ "50-19=31", "87-31=56", "56/2=28" ]
Current State: 28:[2, 50, 19, 87], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [2, 87, 31] Generated Node #2: [2, 87, 31] from Operation: 50-19=31 Current State: 28:[2, 87, 31], Operations: ['50-19=31'] Exploring Operation: 87-31=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 87-31=56 Current State: 28:[2, 56], Operations: ['50-19=31', '87-31=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[2, 50, 19, 87], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [2, 87, 31] Generated Node #0,0: 28:[2, 87, 31] Operation: 50-19=31 Exploring Operation: 87-50=37, Resulting Numbers: [2, 19, 37] Generated Node #0,1: 28:[2, 19, 37] Operation: 87-50=37 Exploring Operation: 87-19=68, Resulting Numbers: [2, 50, 68] Generated Node #0,2: 28:[2, 50, 68] Operation: 87-19=68 Moving to Node #0,1 Current State: 28:[2, 19, 37], Operations: ['87-50=37'] Exploring Operation: 19-2=17, Resulting Numbers: [37, 17] Generated Node #0,1,0: 28:[37, 17] Operation: 19-2=17 Exploring Operation: 37-2=35, Resulting Numbers: [19, 35] Generated Node #0,1,1: 28:[19, 35] Operation: 37-2=35 Exploring Operation: 37-19=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 28:[2, 18] Operation: 37-19=18 Moving to Node #0,0 Current State: 28:[2, 87, 31], Operations: ['50-19=31'] Exploring Operation: 87-2=85, Resulting Numbers: [31, 85] Generated Node #0,0,0: 28:[31, 85] Operation: 87-2=85 Exploring Operation: 87-31=56, Resulting Numbers: [2, 56] Generated Node #0,0,1: 28:[2, 56] Operation: 87-31=56 Exploring Operation: 31-2=29, Resulting Numbers: [87, 29] Generated Node #0,0,2: 28:[87, 29] Operation: 31-2=29 Moving to Node #0,2 Current State: 28:[2, 50, 68], Operations: ['87-19=68'] Exploring Operation: 68/2=34, Resulting Numbers: [50, 34] Generated Node #0,2,0: 28:[50, 34] Operation: 68/2=34 Exploring Operation: 68-50=18, Resulting Numbers: [2, 18] Generated Node #0,2,1: 28:[2, 18] Operation: 68-50=18 Exploring Operation: 50/2=25, Resulting Numbers: [68, 25] Generated Node #0,2,2: 28:[68, 25] Operation: 50/2=25 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[2, 18], Operations: ['87-19=68', '68-50=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,28 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 #0,2,0 Current State: 28:[50, 34], Operations: ['87-19=68', '68/2=34'] Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,28 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,28 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 #0,2,2 Current State: 28:[68, 25], Operations: ['87-19=68', '50/2=25'] Exploring Operation: 68*25=1700, Resulting Numbers: [1700] 1700,28 unequal: No Solution Exploring Operation: 68+25=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 28:[2, 18], Operations: ['87-50=37', '37-19=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[19, 35], Operations: ['87-50=37', '37-2=35'] Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[37, 17], Operations: ['87-50=37', '19-2=17'] Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,28 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[2, 56], Operations: ['50-19=31', '87-31=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[2, 50, 19, 87], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [2, 87, 31] Generated Node #0,0: 28:[2, 87, 31] Operation: 50-19=31 Moving to Node #0,0 Current State: 28:[2, 87, 31], Operations: ['50-19=31'] Exploring Operation: 87-31=56, Resulting Numbers: [2, 56] Generated Node #0,0,1: 28:[2, 56] Operation: 87-31=56 Moving to Node #0,0,1 Current State: 28:[2, 56], Operations: ['50-19=31', '87-31=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 55, 32, 50, 30 ]
33
[ "50-32=18", "55*18=990", "990/30=33" ]
Current State: 33:[55, 32, 50, 30], Operations: [] Exploring Operation: 50-32=18, Resulting Numbers: [55, 30, 18] Generated Node #2: [55, 30, 18] from Operation: 50-32=18 Current State: 33:[55, 30, 18], Operations: ['50-32=18'] Exploring Operation: 55*18=990, Resulting Numbers: [30, 990] Generated Node #3: [30, 990] from Operation: 55*18=990 Current State: 33:[30, 990], Operations: ['50-32=18', '55*18=990'] Exploring Operation: 990/30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[55, 32, 50, 30], Operations: [] Exploring Operation: 55-32=23, Resulting Numbers: [50, 30, 23] Generated Node #0,0: 33:[50, 30, 23] Operation: 55-32=23 Exploring Operation: 55-30=25, Resulting Numbers: [32, 50, 25] Generated Node #0,1: 33:[32, 50, 25] Operation: 55-30=25 Exploring Operation: 55-50=5, Resulting Numbers: [32, 30, 5] Generated Node #0,2: 33:[32, 30, 5] Operation: 55-50=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[32, 30, 5], Operations: ['55-50=5'] Exploring Operation: 30/5=6, Resulting Numbers: [32, 6] Generated Node #0,2,0: 33:[32, 6] Operation: 30/5=6 Exploring Operation: 30+5=35, Resulting Numbers: [32, 35] Generated Node #0,2,1: 33:[32, 35] Operation: 30+5=35 Exploring Operation: 32-30=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 33:[5, 2] Operation: 32-30=2 Moving to Node #0,2,1 Current State: 33:[32, 35], Operations: ['55-50=5', '30+5=35'] Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,33 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[5, 2], Operations: ['55-50=5', '32-30=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[32, 6], Operations: ['55-50=5', '30/5=6'] Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,33 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,33 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 #0,1 Current State: 33:[32, 50, 25], Operations: ['55-30=25'] Exploring Operation: 50/25=2, Resulting Numbers: [32, 2] Generated Node #0,1,0: 33:[32, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [32, 25] Generated Node #0,1,1: 33:[32, 25] Operation: 50-25=25 Exploring Operation: 50-32=18, Resulting Numbers: [25, 18] Generated Node #0,1,2: 33:[25, 18] Operation: 50-32=18 Moving to Node #0,1,0 Current State: 33:[32, 2], Operations: ['55-30=25', '50/25=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[32, 25], Operations: ['55-30=25', '50-25=25'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,33 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[25, 18], Operations: ['55-30=25', '50-32=18'] Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,33 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,33 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:[50, 30, 23], Operations: ['55-32=23'] Exploring Operation: 50-23=27, Resulting Numbers: [30, 27] Generated Node #0,0,0: 33:[30, 27] Operation: 50-23=27 Exploring Operation: 50-30=20, Resulting Numbers: [23, 20] Generated Node #0,0,1: 33:[23, 20] Operation: 50-30=20 Exploring Operation: 30-23=7, Resulting Numbers: [50, 7] Generated Node #0,0,2: 33:[50, 7] Operation: 30-23=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[30, 27], Operations: ['55-32=23', '50-23=27'] Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,33 unequal: No Solution Exploring Operation: 30*27=810, Resulting Numbers: [810] 810,33 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[23, 20], Operations: ['55-32=23', '50-30=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,33 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:[50, 7], Operations: ['55-32=23', '30-23=7'] Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,33 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,33 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 No solution found.
0
hs_3
mult_heuristic
[ 28, 28, 63, 83 ]
19
[ "28/28=1", "83-63=20", "20-1=19" ]
Current State: 19:[28, 28, 63, 83], Operations: [] Exploring Operation: 28/28=1, Resulting Numbers: [63, 83, 1] Generated Node #2: [63, 83, 1] from Operation: 28/28=1 Current State: 19:[63, 83, 1], Operations: ['28/28=1'] Exploring Operation: 83-63=20, Resulting Numbers: [1, 20] Generated Node #3: [1, 20] from Operation: 83-63=20 Current State: 19:[1, 20], Operations: ['28/28=1', '83-63=20'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[28, 28, 63, 83], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [28, 63, 55] Generated Node #0,0: 19:[28, 63, 55] Operation: 83-28=55 Exploring Operation: 83-63=20, Resulting Numbers: [28, 28, 20] Generated Node #0,1: 19:[28, 28, 20] Operation: 83-63=20 Exploring Operation: 63-28=35, Resulting Numbers: [28, 83, 35] Generated Node #0,2: 19:[28, 83, 35] Operation: 63-28=35 Moving to Node #0,1 Current State: 19:[28, 28, 20], Operations: ['83-63=20'] Exploring Operation: 28-20=8, Resulting Numbers: [28, 8] Generated Node #0,1,0: 19:[28, 8] Operation: 28-20=8 Exploring Operation: 28-28=0, Resulting Numbers: [20, 0] Generated Node #0,1,1: 19:[20, 0] Operation: 28-28=0 Exploring Operation: 28/28=1, Resulting Numbers: [20, 1] Generated Node #0,1,2: 19:[20, 1] Operation: 28/28=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[20, 1], Operations: ['83-63=20', '28/28=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[28, 28, 63, 83], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [28, 28, 20] Generated Node #0,1: 19:[28, 28, 20] Operation: 83-63=20 Moving to Node #0,1 Current State: 19:[28, 28, 20], Operations: ['83-63=20'] Exploring Operation: 28/28=1, Resulting Numbers: [20, 1] Generated Node #0,1,2: 19:[20, 1] Operation: 28/28=1 Moving to Node #0,1,2 Current State: 19:[20, 1], Operations: ['83-63=20', '28/28=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 5, 76, 97, 87 ]
71
[ "5+76=81", "97-87=10", "81-10=71" ]
Current State: 71:[5, 76, 97, 87], Operations: [] Exploring Operation: 5+76=81, Resulting Numbers: [97, 87, 81] Generated Node #2: [97, 87, 81] from Operation: 5+76=81 Current State: 71:[97, 87, 81], Operations: ['5+76=81'] Exploring Operation: 97-87=10, Resulting Numbers: [81, 10] Generated Node #3: [81, 10] from Operation: 97-87=10 Current State: 71:[81, 10], Operations: ['5+76=81', '97-87=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[5, 76, 97, 87], Operations: [] Exploring Operation: 76-5=71, Resulting Numbers: [97, 87, 71] Generated Node #0,0: 71:[97, 87, 71] Operation: 76-5=71 Exploring Operation: 87-5=82, Resulting Numbers: [76, 97, 82] Generated Node #0,1: 71:[76, 97, 82] Operation: 87-5=82 Exploring Operation: 5+76=81, Resulting Numbers: [97, 87, 81] Generated Node #0,2: 71:[97, 87, 81] Operation: 5+76=81 Exploring Operation: 97-5=92, Resulting Numbers: [76, 87, 92] Generated Node #0,3: 71:[76, 87, 92] Operation: 97-5=92 Moving to Node #0,0 Current State: 71:[97, 87, 71], Operations: ['76-5=71'] Exploring Operation: 97-87=10, Resulting Numbers: [71, 10] Generated Node #0,0,0: 71:[71, 10] Operation: 97-87=10 Exploring Operation: 87-71=16, Resulting Numbers: [97, 16] Generated Node #0,0,1: 71:[97, 16] Operation: 87-71=16 Exploring Operation: 97-71=26, Resulting Numbers: [87, 26] Generated Node #0,0,2: 71:[87, 26] Operation: 97-71=26 Exploring Operation: 97+87=184, Resulting Numbers: [71, 184] Generated Node #0,0,3: 71:[71, 184] Operation: 97+87=184 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[71, 10], Operations: ['76-5=71', '97-87=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[87, 26], Operations: ['76-5=71', '97-71=26'] Exploring Operation: 87-26=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 87+26=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 87*26=2262, Resulting Numbers: [2262] 2262,71 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:[97, 16], Operations: ['76-5=71', '87-71=16'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 97*16=1552, Resulting Numbers: [1552] 1552,71 unequal: No Solution Exploring Operation: 97+16=113, Resulting Numbers: [113] 113,71 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:[71, 184], Operations: ['76-5=71', '97+87=184'] Exploring Operation: 184-71=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 71*184=13064, Resulting Numbers: [13064] 13064,71 unequal: No Solution Exploring Operation: 71+184=255, Resulting Numbers: [255] 255,71 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: 71:[76, 87, 92], Operations: ['97-5=92'] Exploring Operation: 92-76=16, Resulting Numbers: [87, 16] Generated Node #0,3,0: 71:[87, 16] Operation: 92-76=16 Exploring Operation: 87-76=11, Resulting Numbers: [92, 11] Generated Node #0,3,1: 71:[92, 11] Operation: 87-76=11 Exploring Operation: 92-87=5, Resulting Numbers: [76, 5] Generated Node #0,3,2: 71:[76, 5] Operation: 92-87=5 Exploring Operation: 76+87=163, Resulting Numbers: [92, 163] Generated Node #0,3,3: 71:[92, 163] Operation: 76+87=163 Moving to Node #0,1 Current State: 71:[76, 97, 82], Operations: ['87-5=82'] Exploring Operation: 82-76=6, Resulting Numbers: [97, 6] Generated Node #0,1,0: 71:[97, 6] Operation: 82-76=6 Exploring Operation: 97-82=15, Resulting Numbers: [76, 15] Generated Node #0,1,1: 71:[76, 15] Operation: 97-82=15 Exploring Operation: 76+97=173, Resulting Numbers: [82, 173] Generated Node #0,1,2: 71:[82, 173] Operation: 76+97=173 Exploring Operation: 97-76=21, Resulting Numbers: [82, 21] Generated Node #0,1,3: 71:[82, 21] Operation: 97-76=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[76, 15], Operations: ['87-5=82', '97-82=15'] Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,71 unequal: No Solution Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,71 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 #0,1,3 Current State: 71:[82, 21], Operations: ['87-5=82', '97-76=21'] Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,71 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,71 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,71 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 #0,1,0 Current State: 71:[97, 6], Operations: ['87-5=82', '82-76=6'] Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,71 unequal: No Solution Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,71 unequal: No Solution Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,71 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 #0,1,2 Current State: 71:[82, 173], Operations: ['87-5=82', '76+97=173'] Exploring Operation: 82+173=255, Resulting Numbers: [255] 255,71 unequal: No Solution Exploring Operation: 82*173=14186, Resulting Numbers: [14186] 14186,71 unequal: No Solution Exploring Operation: 173-82=91, Resulting Numbers: [91] 91,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 71:[97, 87, 81], Operations: ['5+76=81'] Exploring Operation: 97+87=184, Resulting Numbers: [81, 184] Generated Node #0,2,0: 71:[81, 184] Operation: 97+87=184 Exploring Operation: 97-87=10, Resulting Numbers: [81, 10] Generated Node #0,2,1: 71:[81, 10] Operation: 97-87=10 Exploring Operation: 87-81=6, Resulting Numbers: [97, 6] Generated Node #0,2,2: 71:[97, 6] Operation: 87-81=6 Exploring Operation: 97-81=16, Resulting Numbers: [87, 16] Generated Node #0,2,3: 71:[87, 16] Operation: 97-81=16 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[81, 10], Operations: ['5+76=81', '97-87=10'] Exploring Operation: 81*10=810, Resulting Numbers: [810] 810,71 unequal: No Solution Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[5, 76, 97, 87], Operations: [] Exploring Operation: 5+76=81, Resulting Numbers: [97, 87, 81] Generated Node #0,2: 71:[97, 87, 81] Operation: 5+76=81 Moving to Node #0,2 Current State: 71:[97, 87, 81], Operations: ['5+76=81'] Exploring Operation: 97-87=10, Resulting Numbers: [81, 10] Generated Node #0,2,1: 71:[81, 10] Operation: 97-87=10 Moving to Node #0,2,1 Current State: 71:[81, 10], Operations: ['5+76=81', '97-87=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 17, 59, 50, 43 ]
35
[ "59-17=42", "50-43=7", "42-7=35" ]
Current State: 35:[17, 59, 50, 43], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [50, 43, 42] Generated Node #2: [50, 43, 42] from Operation: 59-17=42 Current State: 35:[50, 43, 42], Operations: ['59-17=42'] Exploring Operation: 50-43=7, Resulting Numbers: [42, 7] Generated Node #3: [42, 7] from Operation: 50-43=7 Current State: 35:[42, 7], Operations: ['59-17=42', '50-43=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[17, 59, 50, 43], Operations: [] Exploring Operation: 50-17=33, Resulting Numbers: [59, 43, 33] Generated Node #0,0: 35:[59, 43, 33] Operation: 50-17=33 Exploring Operation: 59-43=16, Resulting Numbers: [17, 50, 16] Generated Node #0,1: 35:[17, 50, 16] Operation: 59-43=16 Exploring Operation: 59-50=9, Resulting Numbers: [17, 43, 9] Generated Node #0,2: 35:[17, 43, 9] Operation: 59-50=9 Exploring Operation: 59-17=42, Resulting Numbers: [50, 43, 42] Generated Node #0,3: 35:[50, 43, 42] Operation: 59-17=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[17, 43, 9], Operations: ['59-50=9'] Exploring Operation: 17+9=26, Resulting Numbers: [43, 26] Generated Node #0,2,0: 35:[43, 26] Operation: 17+9=26 Exploring Operation: 43-17=26, Resulting Numbers: [9, 26] Generated Node #0,2,1: 35:[9, 26] Operation: 43-17=26 Exploring Operation: 17-9=8, Resulting Numbers: [43, 8] Generated Node #0,2,2: 35:[43, 8] Operation: 17-9=8 Exploring Operation: 43-9=34, Resulting Numbers: [17, 34] Generated Node #0,2,3: 35:[17, 34] Operation: 43-9=34 Moving to Node #0,2,2 Current State: 35:[43, 8], Operations: ['59-50=9', '17-9=8'] Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[17, 59, 50, 43], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [17, 43, 9] Generated Node #0,2: 35:[17, 43, 9] Operation: 59-50=9 Moving to Node #0,2 Current State: 35:[17, 43, 9], Operations: ['59-50=9'] Exploring Operation: 17-9=8, Resulting Numbers: [43, 8] Generated Node #0,2,2: 35:[43, 8] Operation: 17-9=8 Moving to Node #0,2,2 Current State: 35:[43, 8], Operations: ['59-50=9', '17-9=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 86, 98, 14, 41 ]
39
[ "98-86=12", "41-14=27", "12+27=39" ]
Current State: 39:[86, 98, 14, 41], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [14, 41, 12] Generated Node #2: [14, 41, 12] from Operation: 98-86=12 Current State: 39:[14, 41, 12], Operations: ['98-86=12'] Exploring Operation: 41-14=27, Resulting Numbers: [12, 27] Generated Node #3: [12, 27] from Operation: 41-14=27 Current State: 39:[12, 27], Operations: ['98-86=12', '41-14=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[86, 98, 14, 41], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [86, 41, 7] Generated Node #0,0: 39:[86, 41, 7] Operation: 98/14=7 Exploring Operation: 98-86=12, Resulting Numbers: [14, 41, 12] Generated Node #0,1: 39:[14, 41, 12] Operation: 98-86=12 Exploring Operation: 98-41=57, Resulting Numbers: [86, 14, 57] Generated Node #0,2: 39:[86, 14, 57] Operation: 98-41=57 Exploring Operation: 86-41=45, Resulting Numbers: [98, 14, 45] Generated Node #0,3: 39:[98, 14, 45] Operation: 86-41=45 Moving to Node #0,1 Current State: 39:[14, 41, 12], Operations: ['98-86=12'] Exploring Operation: 41-14=27, Resulting Numbers: [12, 27] Generated Node #0,1,0: 39:[12, 27] Operation: 41-14=27 Exploring Operation: 14+12=26, Resulting Numbers: [41, 26] Generated Node #0,1,1: 39:[41, 26] Operation: 14+12=26 Exploring Operation: 14-12=2, Resulting Numbers: [41, 2] Generated Node #0,1,2: 39:[41, 2] Operation: 14-12=2 Exploring Operation: 41-12=29, Resulting Numbers: [14, 29] Generated Node #0,1,3: 39:[14, 29] Operation: 41-12=29 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[41, 2], Operations: ['98-86=12', '14-12=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[86, 98, 14, 41], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [14, 41, 12] Generated Node #0,1: 39:[14, 41, 12] Operation: 98-86=12 Moving to Node #0,1 Current State: 39:[14, 41, 12], Operations: ['98-86=12'] Exploring Operation: 14-12=2, Resulting Numbers: [41, 2] Generated Node #0,1,2: 39:[41, 2] Operation: 14-12=2 Moving to Node #0,1,2 Current State: 39:[41, 2], Operations: ['98-86=12', '14-12=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 68, 51, 17, 65 ]
71
[ "68+51=119", "65-17=48", "119-48=71" ]
Current State: 71:[68, 51, 17, 65], Operations: [] Exploring Operation: 68+51=119, Resulting Numbers: [17, 65, 119] Generated Node #2: [17, 65, 119] from Operation: 68+51=119 Current State: 71:[17, 65, 119], Operations: ['68+51=119'] Exploring Operation: 65-17=48, Resulting Numbers: [119, 48] Generated Node #3: [119, 48] from Operation: 65-17=48 Current State: 71:[119, 48], Operations: ['68+51=119', '65-17=48'] Exploring Operation: 119-48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[68, 51, 17, 65], Operations: [] Exploring Operation: 51+17=68, Resulting Numbers: [68, 65, 68] Generated Node #0,0: 71:[68, 65, 68] Operation: 51+17=68 Moving to Node #0,0 Current State: 71:[68, 65, 68], Operations: ['51+17=68'] Exploring Operation: 68+65=133, Resulting Numbers: [68, 133] Generated Node #0,0,0: 71:[68, 133] Operation: 68+65=133 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[68, 133], Operations: ['51+17=68', '68+65=133'] Exploring Operation: 133-68=65, Resulting Numbers: [65] 65,71 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
[ 19, 10, 67, 43 ]
50
[ "67-19=48", "48-43=5", "10*5=50" ]
Current State: 50:[19, 10, 67, 43], Operations: [] Exploring Operation: 67-19=48, Resulting Numbers: [10, 43, 48] Generated Node #2: [10, 43, 48] from Operation: 67-19=48 Current State: 50:[10, 43, 48], Operations: ['67-19=48'] Exploring Operation: 48-43=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 48-43=5 Current State: 50:[10, 5], Operations: ['67-19=48', '48-43=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[19, 10, 67, 43], Operations: [] Exploring Operation: 19-10=9, Resulting Numbers: [67, 43, 9] Generated Node #0,0: 50:[67, 43, 9] Operation: 19-10=9 Exploring Operation: 67-43=24, Resulting Numbers: [19, 10, 24] Generated Node #0,1: 50:[19, 10, 24] Operation: 67-43=24 Exploring Operation: 43-19=24, Resulting Numbers: [10, 67, 24] Generated Node #0,2: 50:[10, 67, 24] Operation: 43-19=24 Exploring Operation: 67-19=48, Resulting Numbers: [10, 43, 48] Generated Node #0,3: 50:[10, 43, 48] Operation: 67-19=48 Exploring Operation: 67-10=57, Resulting Numbers: [19, 43, 57] Generated Node #0,4: 50:[19, 43, 57] Operation: 67-10=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[19, 10, 24], Operations: ['67-43=24'] Exploring Operation: 19+24=43, Resulting Numbers: [10, 43] Generated Node #0,1,0: 50:[10, 43] Operation: 19+24=43 Exploring Operation: 19+10=29, Resulting Numbers: [24, 29] Generated Node #0,1,1: 50:[24, 29] Operation: 19+10=29 Exploring Operation: 24-10=14, Resulting Numbers: [19, 14] Generated Node #0,1,2: 50:[19, 14] Operation: 24-10=14 Exploring Operation: 24-19=5, Resulting Numbers: [10, 5] Generated Node #0,1,3: 50:[10, 5] Operation: 24-19=5 Exploring Operation: 19-10=9, Resulting Numbers: [24, 9] Generated Node #0,1,4: 50:[24, 9] Operation: 19-10=9 Moving to Node #0,1,3 Current State: 50:[10, 5], Operations: ['67-43=24', '24-19=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[19, 10, 67, 43], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [19, 10, 24] Generated Node #0,1: 50:[19, 10, 24] Operation: 67-43=24 Moving to Node #0,1 Current State: 50:[19, 10, 24], Operations: ['67-43=24'] Exploring Operation: 24-19=5, Resulting Numbers: [10, 5] Generated Node #0,1,3: 50:[10, 5] Operation: 24-19=5 Moving to Node #0,1,3 Current State: 50:[10, 5], Operations: ['67-43=24', '24-19=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 12, 42, 28, 48 ]
96
[ "42-12=30", "30-28=2", "48*2=96" ]
Current State: 96:[12, 42, 28, 48], Operations: [] Exploring Operation: 42-12=30, Resulting Numbers: [28, 48, 30] Generated Node #2: [28, 48, 30] from Operation: 42-12=30 Current State: 96:[28, 48, 30], Operations: ['42-12=30'] Exploring Operation: 30-28=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 30-28=2 Current State: 96:[48, 2], Operations: ['42-12=30', '30-28=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[12, 42, 28, 48], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [12, 48, 14] Generated Node #0,0: 96:[12, 48, 14] Operation: 42-28=14 Exploring Operation: 48-42=6, Resulting Numbers: [12, 28, 6] Generated Node #0,1: 96:[12, 28, 6] Operation: 48-42=6 Moving to Node #0,0 Current State: 96:[12, 48, 14], Operations: ['42-28=14'] Exploring Operation: 48/12=4, Resulting Numbers: [14, 4] Generated Node #0,0,0: 96:[14, 4] Operation: 48/12=4 Exploring Operation: 14-12=2, Resulting Numbers: [48, 2] Generated Node #0,0,1: 96:[48, 2] Operation: 14-12=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[48, 2], Operations: ['42-28=14', '14-12=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[12, 42, 28, 48], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [12, 48, 14] Generated Node #0,0: 96:[12, 48, 14] Operation: 42-28=14 Moving to Node #0,0 Current State: 96:[12, 48, 14], Operations: ['42-28=14'] Exploring Operation: 14-12=2, Resulting Numbers: [48, 2] Generated Node #0,0,1: 96:[48, 2] Operation: 14-12=2 Moving to Node #0,0,1 Current State: 96:[48, 2], Operations: ['42-28=14', '14-12=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 46, 18, 93, 97 ]
60
[ "46+18=64", "97-93=4", "64-4=60" ]
Current State: 60:[46, 18, 93, 97], Operations: [] Exploring Operation: 46+18=64, Resulting Numbers: [93, 97, 64] Generated Node #2: [93, 97, 64] from Operation: 46+18=64 Current State: 60:[93, 97, 64], Operations: ['46+18=64'] Exploring Operation: 97-93=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 97-93=4 Current State: 60:[64, 4], Operations: ['46+18=64', '97-93=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[46, 18, 93, 97], Operations: [] Exploring Operation: 97-93=4, Resulting Numbers: [46, 18, 4] Generated Node #0,0: 60:[46, 18, 4] Operation: 97-93=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[46, 18, 4], Operations: ['97-93=4'] Exploring Operation: 46-18=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 60:[4, 28] Operation: 46-18=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[4, 28], Operations: ['97-93=4', '46-18=28'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 70, 2, 74, 4 ]
89
[ "2+74=76", "76/4=19", "70+19=89" ]
Current State: 89:[70, 2, 74, 4], Operations: [] Exploring Operation: 2+74=76, Resulting Numbers: [70, 4, 76] Generated Node #2: [70, 4, 76] from Operation: 2+74=76 Current State: 89:[70, 4, 76], Operations: ['2+74=76'] Exploring Operation: 76/4=19, Resulting Numbers: [70, 19] Generated Node #3: [70, 19] from Operation: 76/4=19 Current State: 89:[70, 19], Operations: ['2+74=76', '76/4=19'] Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[70, 2, 74, 4], Operations: [] Exploring Operation: 2*4=8, Resulting Numbers: [70, 74, 8] Generated Node #0,0: 89:[70, 74, 8] Operation: 2*4=8 Exploring Operation: 70+2=72, Resulting Numbers: [74, 4, 72] Generated Node #0,1: 89:[74, 4, 72] Operation: 70+2=72 Exploring Operation: 70+4=74, Resulting Numbers: [2, 74, 74] Generated Node #0,2: 89:[2, 74, 74] Operation: 70+4=74 Moving to Node #0,0 Current State: 89:[70, 74, 8], Operations: ['2*4=8'] Exploring Operation: 70-8=62, Resulting Numbers: [74, 62] Generated Node #0,0,0: 89:[74, 62] Operation: 70-8=62 Exploring Operation: 70+8=78, Resulting Numbers: [74, 78] Generated Node #0,0,1: 89:[74, 78] Operation: 70+8=78 Exploring Operation: 74+8=82, Resulting Numbers: [70, 82] Generated Node #0,0,2: 89:[70, 82] Operation: 74+8=82 Moving to Node #0,1 Current State: 89:[74, 4, 72], Operations: ['70+2=72'] Exploring Operation: 4+72=76, Resulting Numbers: [74, 76] Generated Node #0,1,0: 89:[74, 76] Operation: 4+72=76 Exploring Operation: 74+4=78, Resulting Numbers: [72, 78] Generated Node #0,1,1: 89:[72, 78] Operation: 74+4=78 Exploring Operation: 74-4=70, Resulting Numbers: [72, 70] Generated Node #0,1,2: 89:[72, 70] Operation: 74-4=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[74, 76], Operations: ['70+2=72', '4+72=76'] Exploring Operation: 74*76=5624, Resulting Numbers: [5624] 5624,89 unequal: No Solution Exploring Operation: 74+76=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,89 unequal: No Solution No 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: 89:[72, 78], Operations: ['70+2=72', '74+4=78'] Exploring Operation: 72*78=5616, Resulting Numbers: [5616] 5616,89 unequal: No Solution Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 72+78=150, Resulting Numbers: [150] 150,89 unequal: No Solution No 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: 89:[72, 70], Operations: ['70+2=72', '74-4=70'] Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,89 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,89 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: 89:[2, 74, 74], Operations: ['70+4=74'] Exploring Operation: 2+74=76, Resulting Numbers: [74, 76] Generated Node #0,2,0: 89:[74, 76] Operation: 2+74=76 Exploring Operation: 2+74=76, Resulting Numbers: [74, 76] Generated Node #0,2,1: 89:[74, 76] Operation: 2+74=76 Exploring Operation: 74-2=72, Resulting Numbers: [74, 72] Generated Node #0,2,2: 89:[74, 72] Operation: 74-2=72 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[74, 76], Operations: ['70+4=74', '2+74=76'] Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 74+76=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 74*76=5624, Resulting Numbers: [5624] 5624,89 unequal: No Solution No 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: 89:[74, 76], Operations: ['70+4=74', '2+74=76'] Exploring Operation: 74*76=5624, Resulting Numbers: [5624] 5624,89 unequal: No Solution Exploring Operation: 74+76=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,89 unequal: No Solution No 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: 89:[74, 72], Operations: ['70+4=74', '74-2=72'] Exploring Operation: 74+72=146, Resulting Numbers: [146] 146,89 unequal: No Solution Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 74*72=5328, Resulting Numbers: [5328] 5328,89 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: 89:[74, 78], Operations: ['2*4=8', '70+8=78'] Exploring Operation: 74+78=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 74*78=5772, Resulting Numbers: [5772] 5772,89 unequal: No Solution Exploring Operation: 78-74=4, Resulting Numbers: [4] 4,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[70, 82], Operations: ['2*4=8', '74+8=82'] Exploring Operation: 82-70=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 70+82=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 70*82=5740, Resulting Numbers: [5740] 5740,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[74, 62], Operations: ['2*4=8', '70-8=62'] Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 74*62=4588, Resulting Numbers: [4588] 4588,89 unequal: No Solution Exploring Operation: 74+62=136, Resulting Numbers: [136] 136,89 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 87, 95, 60, 70 ]
85
[ "95-60=35", "70/35=2", "87-2=85" ]
Current State: 85:[87, 95, 60, 70], Operations: [] Exploring Operation: 95-60=35, Resulting Numbers: [87, 70, 35] Generated Node #2: [87, 70, 35] from Operation: 95-60=35 Current State: 85:[87, 70, 35], Operations: ['95-60=35'] Exploring Operation: 70/35=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 70/35=2 Current State: 85:[87, 2], Operations: ['95-60=35', '70/35=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[87, 95, 60, 70], Operations: [] Exploring Operation: 70-60=10, Resulting Numbers: [87, 95, 10] Generated Node #0,0: 85:[87, 95, 10] Operation: 70-60=10 Exploring Operation: 87-60=27, Resulting Numbers: [95, 70, 27] Generated Node #0,1: 85:[95, 70, 27] Operation: 87-60=27 Exploring Operation: 87-70=17, Resulting Numbers: [95, 60, 17] Generated Node #0,2: 85:[95, 60, 17] Operation: 87-70=17 Moving to Node #0,0 Current State: 85:[87, 95, 10], Operations: ['70-60=10'] Exploring Operation: 87-10=77, Resulting Numbers: [95, 77] Generated Node #0,0,0: 85:[95, 77] Operation: 87-10=77 Exploring Operation: 95-87=8, Resulting Numbers: [10, 8] Generated Node #0,0,1: 85:[10, 8] Operation: 95-87=8 Exploring Operation: 95-10=85, Resulting Numbers: [87, 85] Generated Node #0,0,2: 85:[87, 85] Operation: 95-10=85 Moving to Node #0,1 Current State: 85:[95, 70, 27], Operations: ['87-60=27'] Exploring Operation: 95-27=68, Resulting Numbers: [70, 68] Generated Node #0,1,0: 85:[70, 68] Operation: 95-27=68 Exploring Operation: 70+27=97, Resulting Numbers: [95, 97] Generated Node #0,1,1: 85:[95, 97] Operation: 70+27=97 Exploring Operation: 95-70=25, Resulting Numbers: [27, 25] Generated Node #0,1,2: 85:[27, 25] Operation: 95-70=25 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[27, 25], Operations: ['87-60=27', '95-70=25'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,85 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[95, 97], Operations: ['87-60=27', '70+27=97'] Exploring Operation: 97-95=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 95*97=9215, Resulting Numbers: [9215] 9215,85 unequal: No Solution Exploring Operation: 95+97=192, Resulting Numbers: [192] 192,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[70, 68], Operations: ['87-60=27', '95-27=68'] Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,85 unequal: No Solution Exploring Operation: 70*68=4760, Resulting Numbers: [4760] 4760,85 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: 85:[95, 60, 17], Operations: ['87-70=17'] Exploring Operation: 60+17=77, Resulting Numbers: [95, 77] Generated Node #0,2,0: 85:[95, 77] Operation: 60+17=77 Exploring Operation: 95-17=78, Resulting Numbers: [60, 78] Generated Node #0,2,1: 85:[60, 78] Operation: 95-17=78 Exploring Operation: 95-60=35, Resulting Numbers: [17, 35] Generated Node #0,2,2: 85:[17, 35] Operation: 95-60=35 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[95, 77], Operations: ['87-70=17', '60+17=77'] Exploring Operation: 95-77=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 95*77=7315, Resulting Numbers: [7315] 7315,85 unequal: No Solution Exploring Operation: 95+77=172, Resulting Numbers: [172] 172,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[17, 35], Operations: ['87-70=17', '95-60=35'] Exploring Operation: 17*35=595, Resulting Numbers: [595] 595,85 unequal: No Solution Exploring Operation: 17+35=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[60, 78], Operations: ['87-70=17', '95-17=78'] Exploring Operation: 60*78=4680, Resulting Numbers: [4680] 4680,85 unequal: No Solution Exploring Operation: 60+78=138, Resulting Numbers: [138] 138,85 unequal: No Solution Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 85:[87, 85], Operations: ['70-60=10', '95-10=85'] Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 87*85=7395, Resulting Numbers: [7395] 7395,85 unequal: No Solution Exploring Operation: 87+85=172, Resulting Numbers: [172] 172,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[10, 8], Operations: ['70-60=10', '95-87=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,85 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[95, 77], Operations: ['70-60=10', '87-10=77'] Exploring Operation: 95*77=7315, Resulting Numbers: [7315] 7315,85 unequal: No Solution Exploring Operation: 95+77=172, Resulting Numbers: [172] 172,85 unequal: No Solution Exploring Operation: 95-77=18, Resulting Numbers: [18] 18,85 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 56, 48, 3, 63 ]
27
[ "63-56=7", "3*7=21", "48-21=27" ]
Current State: 27:[56, 48, 3, 63], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [48, 3, 7] Generated Node #2: [48, 3, 7] from Operation: 63-56=7 Current State: 27:[48, 3, 7], Operations: ['63-56=7'] Exploring Operation: 3*7=21, Resulting Numbers: [48, 21] Generated Node #3: [48, 21] from Operation: 3*7=21 Current State: 27:[48, 21], Operations: ['63-56=7', '3*7=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[56, 48, 3, 63], Operations: [] Exploring Operation: 56-48=8, Resulting Numbers: [3, 63, 8] Generated Node #0,0: 27:[3, 63, 8] Operation: 56-48=8 Exploring Operation: 63-56=7, Resulting Numbers: [48, 3, 7] Generated Node #0,1: 27:[48, 3, 7] Operation: 63-56=7 Exploring Operation: 63-48=15, Resulting Numbers: [56, 3, 15] Generated Node #0,2: 27:[56, 3, 15] Operation: 63-48=15 Exploring Operation: 63/3=21, Resulting Numbers: [56, 48, 21] Generated Node #0,3: 27:[56, 48, 21] Operation: 63/3=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[48, 3, 7], Operations: ['63-56=7'] Exploring Operation: 48-7=41, Resulting Numbers: [3, 41] Generated Node #0,1,0: 27:[3, 41] Operation: 48-7=41 Exploring Operation: 3+7=10, Resulting Numbers: [48, 10] Generated Node #0,1,1: 27:[48, 10] Operation: 3+7=10 Exploring Operation: 48/3=16, Resulting Numbers: [7, 16] Generated Node #0,1,2: 27:[7, 16] Operation: 48/3=16 Exploring Operation: 48-3=45, Resulting Numbers: [7, 45] Generated Node #0,1,3: 27:[7, 45] Operation: 48-3=45 Moving to Node #0,1,2 Current State: 27:[7, 16], Operations: ['63-56=7', '48/3=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,27 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[3, 41], Operations: ['63-56=7', '48-7=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 3*41=123, Resulting Numbers: [123] 123,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[7, 45], Operations: ['63-56=7', '48-3=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,27 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[48, 10], Operations: ['63-56=7', '3+7=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,27 unequal: No Solution No 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: 27:[56, 3, 15], Operations: ['63-48=15'] Exploring Operation: 56-3=53, Resulting Numbers: [15, 53] Generated Node #0,2,0: 27:[15, 53] Operation: 56-3=53 Exploring Operation: 15/3=5, Resulting Numbers: [56, 5] Generated Node #0,2,1: 27:[56, 5] Operation: 15/3=5 Exploring Operation: 56-15=41, Resulting Numbers: [3, 41] Generated Node #0,2,2: 27:[3, 41] Operation: 56-15=41 Exploring Operation: 15-3=12, Resulting Numbers: [56, 12] Generated Node #0,2,3: 27:[56, 12] Operation: 15-3=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[3, 41], Operations: ['63-48=15', '56-15=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 3*41=123, Resulting Numbers: [123] 123,27 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,27 unequal: No Solution No 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: 27:[56, 5], Operations: ['63-48=15', '15/3=5'] Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,27 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,27 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,27 unequal: No Solution No 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: 27:[15, 53], Operations: ['63-48=15', '56-3=53'] Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,27 unequal: No Solution No 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: 27:[56, 12], Operations: ['63-48=15', '15-3=12'] Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,27 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,27 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: 27:[3, 63, 8], Operations: ['56-48=8'] Exploring Operation: 63-8=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 27:[3, 55] Operation: 63-8=55 Exploring Operation: 63-3=60, Resulting Numbers: [8, 60] Generated Node #0,0,1: 27:[8, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [8, 21] Generated Node #0,0,2: 27:[8, 21] Operation: 63/3=21 Exploring Operation: 3+8=11, Resulting Numbers: [63, 11] Generated Node #0,0,3: 27:[63, 11] Operation: 3+8=11 Moving to Node #0,0,2 Current State: 27:[8, 21], Operations: ['56-48=8', '63/3=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[3, 55], Operations: ['56-48=8', '63-8=55'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[8, 60], Operations: ['56-48=8', '63-3=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[63, 11], Operations: ['56-48=8', '3+8=11'] Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,27 unequal: No Solution Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,27 unequal: No Solution No 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: 27:[56, 48, 21], Operations: ['63/3=21'] Exploring Operation: 56-21=35, Resulting Numbers: [48, 35] Generated Node #0,3,0: 27:[48, 35] Operation: 56-21=35 Exploring Operation: 48-21=27, Resulting Numbers: [56, 27] Generated Node #0,3,1: 27:[56, 27] Operation: 48-21=27 Exploring Operation: 56+21=77, Resulting Numbers: [48, 77] Generated Node #0,3,2: 27:[48, 77] Operation: 56+21=77 Exploring Operation: 56-48=8, Resulting Numbers: [21, 8] Generated Node #0,3,3: 27:[21, 8] Operation: 56-48=8 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 27:[21, 8], Operations: ['63/3=21', '56-48=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,27 unequal: No Solution No 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: 27:[48, 35], Operations: ['63/3=21', '56-21=35'] Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,27 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,27 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,27 unequal: No Solution No 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: 27:[56, 27], Operations: ['63/3=21', '48-21=27'] Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,27 unequal: No Solution Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,27 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,27 unequal: No Solution No 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: 27:[48, 77], Operations: ['63/3=21', '56+21=77'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,27 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
[ 43, 26, 30, 19 ]
32
[ "43-26=17", "30+19=49", "49-17=32" ]
Current State: 32:[43, 26, 30, 19], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [30, 19, 17] Generated Node #2: [30, 19, 17] from Operation: 43-26=17 Current State: 32:[30, 19, 17], Operations: ['43-26=17'] Exploring Operation: 30+19=49, Resulting Numbers: [17, 49] Generated Node #3: [17, 49] from Operation: 30+19=49 Current State: 32:[17, 49], Operations: ['43-26=17', '30+19=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[43, 26, 30, 19], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [30, 19, 17] Generated Node #0,0: 32:[30, 19, 17] Operation: 43-26=17 Exploring Operation: 43-30=13, Resulting Numbers: [26, 19, 13] Generated Node #0,1: 32:[26, 19, 13] Operation: 43-30=13 Moving to Node #0,0 Current State: 32:[30, 19, 17], Operations: ['43-26=17'] Exploring Operation: 19-17=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 32:[30, 2] Operation: 19-17=2 Exploring Operation: 30-19=11, Resulting Numbers: [17, 11] Generated Node #0,0,1: 32:[17, 11] Operation: 30-19=11 Moving to Node #0,1 Current State: 32:[26, 19, 13], Operations: ['43-30=13'] Exploring Operation: 26/13=2, Resulting Numbers: [19, 2] Generated Node #0,1,0: 32:[19, 2] Operation: 26/13=2 Exploring Operation: 26-19=7, Resulting Numbers: [13, 7] Generated Node #0,1,1: 32:[13, 7] Operation: 26-19=7 Moving to Node #0,0,0 Current State: 32:[30, 2], Operations: ['43-26=17', '19-17=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[43, 26, 30, 19], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [30, 19, 17] Generated Node #0,0: 32:[30, 19, 17] Operation: 43-26=17 Moving to Node #0,0 Current State: 32:[30, 19, 17], Operations: ['43-26=17'] Exploring Operation: 19-17=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 32:[30, 2] Operation: 19-17=2 Moving to Node #0,0,0 Current State: 32:[30, 2], Operations: ['43-26=17', '19-17=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 75, 72, 26, 9 ]
78
[ "75-72=3", "26*9=234", "234/3=78" ]
Current State: 78:[75, 72, 26, 9], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [26, 9, 3] Generated Node #2: [26, 9, 3] from Operation: 75-72=3 Current State: 78:[26, 9, 3], Operations: ['75-72=3'] Exploring Operation: 26*9=234, Resulting Numbers: [3, 234] Generated Node #3: [3, 234] from Operation: 26*9=234 Current State: 78:[3, 234], Operations: ['75-72=3', '26*9=234'] Exploring Operation: 234/3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[75, 72, 26, 9], Operations: [] Exploring Operation: 72+9=81, Resulting Numbers: [75, 26, 81] Generated Node #0,0: 78:[75, 26, 81] Operation: 72+9=81 Exploring Operation: 72-26=46, Resulting Numbers: [75, 9, 46] Generated Node #0,1: 78:[75, 9, 46] Operation: 72-26=46 Exploring Operation: 75-72=3, Resulting Numbers: [26, 9, 3] Generated Node #0,2: 78:[26, 9, 3] Operation: 75-72=3 Exploring Operation: 75+9=84, Resulting Numbers: [72, 26, 84] Generated Node #0,3: 78:[72, 26, 84] Operation: 75+9=84 Exploring Operation: 72/9=8, Resulting Numbers: [75, 26, 8] Generated Node #0,4: 78:[75, 26, 8] Operation: 72/9=8 Moving to Node #0,2 Current State: 78:[26, 9, 3], Operations: ['75-72=3'] Exploring Operation: 9-3=6, Resulting Numbers: [26, 6] Generated Node #0,2,0: 78:[26, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [26, 3] Generated Node #0,2,1: 78:[26, 3] Operation: 9/3=3 Exploring Operation: 9+3=12, Resulting Numbers: [26, 12] Generated Node #0,2,2: 78:[26, 12] Operation: 9+3=12 Exploring Operation: 9*3=27, Resulting Numbers: [26, 27] Generated Node #0,2,3: 78:[26, 27] Operation: 9*3=27 Exploring Operation: 26*3=78, Resulting Numbers: [9, 78] Generated Node #0,2,4: 78:[9, 78] Operation: 26*3=78 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[26, 6], Operations: ['75-72=3', '9-3=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,78 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,78 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,78 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 #0,2,1 Current State: 78:[26, 3], Operations: ['75-72=3', '9/3=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[75, 72, 26, 9], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [26, 9, 3] Generated Node #0,2: 78:[26, 9, 3] Operation: 75-72=3 Moving to Node #0,2 Current State: 78:[26, 9, 3], Operations: ['75-72=3'] Exploring Operation: 9/3=3, Resulting Numbers: [26, 3] Generated Node #0,2,1: 78:[26, 3] Operation: 9/3=3 Moving to Node #0,2,1 Current State: 78:[26, 3], Operations: ['75-72=3', '9/3=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 23, 92, 5, 52 ]
58
[ "23+92=115", "5+52=57", "115-57=58" ]
Current State: 58:[23, 92, 5, 52], Operations: [] Exploring Operation: 23+92=115, Resulting Numbers: [5, 52, 115] Generated Node #2: [5, 52, 115] from Operation: 23+92=115 Current State: 58:[5, 52, 115], Operations: ['23+92=115'] Exploring Operation: 5+52=57, Resulting Numbers: [115, 57] Generated Node #3: [115, 57] from Operation: 5+52=57 Current State: 58:[115, 57], Operations: ['23+92=115', '5+52=57'] Exploring Operation: 115-57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[23, 92, 5, 52], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [5, 52, 4] Generated Node #0,0: 58:[5, 52, 4] Operation: 92/23=4 Moving to Node #0,0 Current State: 58:[5, 52, 4], Operations: ['92/23=4'] Exploring Operation: 5+52=57, Resulting Numbers: [4, 57] Generated Node #0,0,0: 58:[4, 57] Operation: 5+52=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[4, 57], Operations: ['92/23=4', '5+52=57'] Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,58 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
[ 48, 80, 24, 47 ]
87
[ "48/24=2", "80/2=40", "47+40=87" ]
Current State: 87:[48, 80, 24, 47], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [80, 47, 2] Generated Node #2: [80, 47, 2] from Operation: 48/24=2 Current State: 87:[80, 47, 2], Operations: ['48/24=2'] Exploring Operation: 80/2=40, Resulting Numbers: [47, 40] Generated Node #3: [47, 40] from Operation: 80/2=40 Current State: 87:[47, 40], Operations: ['48/24=2', '80/2=40'] Exploring Operation: 47+40=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[48, 80, 24, 47], Operations: [] Exploring Operation: 48-47=1, Resulting Numbers: [80, 24, 1] Generated Node #0,0: 87:[80, 24, 1] Operation: 48-47=1 Moving to Node #0,0 Current State: 87:[80, 24, 1], Operations: ['48-47=1'] Exploring Operation: 80+1=81, Resulting Numbers: [24, 81] Generated Node #0,0,0: 87:[24, 81] Operation: 80+1=81 Moving to Node #0,0,0 Current State: 87:[24, 81], Operations: ['48-47=1', '80+1=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,87 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 20, 57, 56, 57 ]
56
[ "57-57=0", "20*0=0", "56+0=56" ]
Current State: 56:[20, 57, 56, 57], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [20, 56, 0] Generated Node #2: [20, 56, 0] from Operation: 57-57=0 Current State: 56:[20, 56, 0], Operations: ['57-57=0'] Exploring Operation: 20*0=0, Resulting Numbers: [56, 0] Generated Node #3: [56, 0] from Operation: 20*0=0 Current State: 56:[56, 0], Operations: ['57-57=0', '20*0=0'] Exploring Operation: 56+0=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[20, 57, 56, 57], Operations: [] Exploring Operation: 57/57=1, Resulting Numbers: [20, 56, 1] Generated Node #0,0: 56:[20, 56, 1] Operation: 57/57=1 Exploring Operation: 57-56=1, Resulting Numbers: [20, 57, 1] Generated Node #0,1: 56:[20, 57, 1] Operation: 57-56=1 Moving to Node #0,0 Current State: 56:[20, 56, 1], Operations: ['57/57=1'] Exploring Operation: 20-1=19, Resulting Numbers: [56, 19] Generated Node #0,0,0: 56:[56, 19] Operation: 20-1=19 Exploring Operation: 20*1=20, Resulting Numbers: [56, 20] Generated Node #0,0,1: 56:[56, 20] Operation: 20*1=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[56, 19], Operations: ['57/57=1', '20-1=19'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,56 unequal: No Solution No 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: 56:[56, 20], Operations: ['57/57=1', '20*1=20'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,56 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: 56:[20, 57, 1], Operations: ['57-56=1'] Exploring Operation: 20-1=19, Resulting Numbers: [57, 19] Generated Node #0,1,0: 56:[57, 19] Operation: 20-1=19 Exploring Operation: 57-1=56, Resulting Numbers: [20, 56] Generated Node #0,1,1: 56:[20, 56] Operation: 57-1=56 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[57, 19], Operations: ['57-56=1', '20-1=19'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,56 unequal: No Solution No 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: 56:[20, 56], Operations: ['57-56=1', '57-1=56'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,56 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
[ 43, 56, 4, 41 ]
64
[ "43-41=2", "4*2=8", "56+8=64" ]
Current State: 64:[43, 56, 4, 41], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [56, 4, 2] Generated Node #2: [56, 4, 2] from Operation: 43-41=2 Current State: 64:[56, 4, 2], Operations: ['43-41=2'] Exploring Operation: 4*2=8, Resulting Numbers: [56, 8] Generated Node #3: [56, 8] from Operation: 4*2=8 Current State: 64:[56, 8], Operations: ['43-41=2', '4*2=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[43, 56, 4, 41], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [4, 41, 13] Generated Node #0,0: 64:[4, 41, 13] Operation: 56-43=13 Exploring Operation: 43-41=2, Resulting Numbers: [56, 4, 2] Generated Node #0,1: 64:[56, 4, 2] Operation: 43-41=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[56, 4, 2], Operations: ['43-41=2'] Exploring Operation: 56+4=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 64:[2, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 64:[2, 14] Operation: 56/4=14 Moving to Node #0,1,1 Current State: 64:[2, 14], Operations: ['43-41=2', '56/4=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[2, 60], Operations: ['43-41=2', '56+4=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[4, 41, 13], Operations: ['56-43=13'] Exploring Operation: 41-13=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 64:[4, 28] Operation: 41-13=28 Exploring Operation: 41-4=37, Resulting Numbers: [13, 37] Generated Node #0,0,1: 64:[13, 37] Operation: 41-4=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[4, 28], Operations: ['56-43=13', '41-13=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,64 unequal: No Solution No 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: 64:[13, 37], Operations: ['56-43=13', '41-4=37'] Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,64 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
[ 56, 3, 57, 6 ]
95
[ "56+57=113", "3*6=18", "113-18=95" ]
Current State: 95:[56, 3, 57, 6], Operations: [] Exploring Operation: 56+57=113, Resulting Numbers: [3, 6, 113] Generated Node #2: [3, 6, 113] from Operation: 56+57=113 Current State: 95:[3, 6, 113], Operations: ['56+57=113'] Exploring Operation: 3*6=18, Resulting Numbers: [113, 18] Generated Node #3: [113, 18] from Operation: 3*6=18 Current State: 95:[113, 18], Operations: ['56+57=113', '3*6=18'] Exploring Operation: 113-18=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[56, 3, 57, 6], Operations: [] Exploring Operation: 57-56=1, Resulting Numbers: [3, 6, 1] Generated Node #0,0: 95:[3, 6, 1] Operation: 57-56=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[3, 6, 1], Operations: ['57-56=1'] Exploring Operation: 3+1=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 95:[6, 4] Operation: 3+1=4 Moving to Node #0,0,0 Current State: 95:[6, 4], Operations: ['57-56=1', '3+1=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,95 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
[ 3, 33, 57, 90 ]
98
[ "57-33=24", "24/3=8", "90+8=98" ]
Current State: 98:[3, 33, 57, 90], Operations: [] Exploring Operation: 57-33=24, Resulting Numbers: [3, 90, 24] Generated Node #2: [3, 90, 24] from Operation: 57-33=24 Current State: 98:[3, 90, 24], Operations: ['57-33=24'] Exploring Operation: 24/3=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 24/3=8 Current State: 98:[90, 8], Operations: ['57-33=24', '24/3=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 33, 57, 90], Operations: [] Exploring Operation: 33+57=90, Resulting Numbers: [3, 90, 90] Generated Node #0,0: 98:[3, 90, 90] Operation: 33+57=90 Exploring Operation: 3*33=99, Resulting Numbers: [57, 90, 99] Generated Node #0,1: 98:[57, 90, 99] Operation: 3*33=99 Exploring Operation: 57-33=24, Resulting Numbers: [3, 90, 24] Generated Node #0,2: 98:[3, 90, 24] Operation: 57-33=24 Exploring Operation: 90-33=57, Resulting Numbers: [3, 57, 57] Generated Node #0,3: 98:[3, 57, 57] Operation: 90-33=57 Exploring Operation: 33/3=11, Resulting Numbers: [57, 90, 11] Generated Node #0,4: 98:[57, 90, 11] Operation: 33/3=11 Moving to Node #0,0 Current State: 98:[3, 90, 90], Operations: ['33+57=90'] Exploring Operation: 3+90=93, Resulting Numbers: [90, 93] Generated Node #0,0,0: 98:[90, 93] Operation: 3+90=93 Exploring Operation: 3+90=93, Resulting Numbers: [90, 93] Generated Node #0,0,1: 98:[90, 93] Operation: 3+90=93 Exploring Operation: 90-3=87, Resulting Numbers: [90, 87] Generated Node #0,0,2: 98:[90, 87] Operation: 90-3=87 Exploring Operation: 90/90=1, Resulting Numbers: [3, 1] Generated Node #0,0,3: 98:[3, 1] Operation: 90/90=1 Exploring Operation: 90-90=0, Resulting Numbers: [3, 0] Generated Node #0,0,4: 98:[3, 0] Operation: 90-90=0 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 98:[3, 1], Operations: ['33+57=90', '90/90=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,98 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 #0,0,4 Current State: 98:[3, 0], Operations: ['33+57=90', '90-90=0'] Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,98 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 #0,0,0 Current State: 98:[90, 93], Operations: ['33+57=90', '3+90=93'] Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 90*93=8370, Resulting Numbers: [8370] 8370,98 unequal: No Solution Exploring Operation: 90+93=183, Resulting Numbers: [183] 183,98 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 #0,0,1 Current State: 98:[90, 93], Operations: ['33+57=90', '3+90=93'] Exploring Operation: 90*93=8370, Resulting Numbers: [8370] 8370,98 unequal: No Solution Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 90+93=183, Resulting Numbers: [183] 183,98 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 #0,0,2 Current State: 98:[90, 87], Operations: ['33+57=90', '90-3=87'] Exploring Operation: 90+87=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 90*87=7830, Resulting Numbers: [7830] 7830,98 unequal: No Solution Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,98 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: 98:[3, 57, 57], Operations: ['90-33=57'] Exploring Operation: 57/57=1, Resulting Numbers: [3, 1] Generated Node #0,3,0: 98:[3, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [3, 0] Generated Node #0,3,1: 98:[3, 0] Operation: 57-57=0 Exploring Operation: 57-3=54, Resulting Numbers: [57, 54] Generated Node #0,3,2: 98:[57, 54] Operation: 57-3=54 Exploring Operation: 57-3=54, Resulting Numbers: [57, 54] Generated Node #0,3,3: 98:[57, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [57, 19] Generated Node #0,3,4: 98:[57, 19] Operation: 57/3=19 Moving to Node #0,1 Current State: 98:[57, 90, 99], Operations: ['3*33=99'] Exploring Operation: 57+90=147, Resulting Numbers: [99, 147] Generated Node #0,1,0: 98:[99, 147] Operation: 57+90=147 Exploring Operation: 99-90=9, Resulting Numbers: [57, 9] Generated Node #0,1,1: 98:[57, 9] Operation: 99-90=9 Exploring Operation: 99-57=42, Resulting Numbers: [90, 42] Generated Node #0,1,2: 98:[90, 42] Operation: 99-57=42 Exploring Operation: 57+99=156, Resulting Numbers: [90, 156] Generated Node #0,1,3: 98:[90, 156] Operation: 57+99=156 Exploring Operation: 90-57=33, Resulting Numbers: [99, 33] Generated Node #0,1,4: 98:[99, 33] Operation: 90-57=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[57, 9], Operations: ['3*33=99', '99-90=9'] Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 57+9=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 57*9=513, Resulting Numbers: [513] 513,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[90, 42], Operations: ['3*33=99', '99-57=42'] Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 90*42=3780, Resulting Numbers: [3780] 3780,98 unequal: No Solution Exploring Operation: 90+42=132, Resulting Numbers: [132] 132,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 98:[99, 33], Operations: ['3*33=99', '90-57=33'] Exploring Operation: 99-33=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 99*33=3267, Resulting Numbers: [3267] 3267,98 unequal: No Solution Exploring Operation: 99/33=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 99+33=132, Resulting Numbers: [132] 132,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[99, 147], Operations: ['3*33=99', '57+90=147'] Exploring Operation: 99+147=246, Resulting Numbers: [246] 246,98 unequal: No Solution Exploring Operation: 99*147=14553, Resulting Numbers: [14553] 14553,98 unequal: No Solution Exploring Operation: 147-99=48, Resulting Numbers: [48] 48,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 98:[90, 156], Operations: ['3*33=99', '57+99=156'] Exploring Operation: 156-90=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 90+156=246, Resulting Numbers: [246] 246,98 unequal: No Solution Exploring Operation: 90*156=14040, Resulting Numbers: [14040] 14040,98 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: 98:[3, 90, 24], Operations: ['57-33=24'] Exploring Operation: 90+24=114, Resulting Numbers: [3, 114] Generated Node #0,2,0: 98:[3, 114] Operation: 90+24=114 Exploring Operation: 24-3=21, Resulting Numbers: [90, 21] Generated Node #0,2,1: 98:[90, 21] Operation: 24-3=21 Exploring Operation: 90-24=66, Resulting Numbers: [3, 66] Generated Node #0,2,2: 98:[3, 66] Operation: 90-24=66 Exploring Operation: 24/3=8, Resulting Numbers: [90, 8] Generated Node #0,2,3: 98:[90, 8] Operation: 24/3=8 Exploring Operation: 3+90=93, Resulting Numbers: [24, 93] Generated Node #0,2,4: 98:[24, 93] Operation: 3+90=93 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 98:[90, 8], Operations: ['57-33=24', '24/3=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,98 unequal: No Solution Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[3, 33, 57, 90], Operations: [] Exploring Operation: 57-33=24, Resulting Numbers: [3, 90, 24] Generated Node #0,2: 98:[3, 90, 24] Operation: 57-33=24 Moving to Node #0,2 Current State: 98:[3, 90, 24], Operations: ['57-33=24'] Exploring Operation: 24/3=8, Resulting Numbers: [90, 8] Generated Node #0,2,3: 98:[90, 8] Operation: 24/3=8 Moving to Node #0,2,3 Current State: 98:[90, 8], Operations: ['57-33=24', '24/3=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_5
sum_heuristic
[ 89, 27, 81, 54 ]
87
[ "27+81=108", "108/54=2", "89-2=87" ]
Current State: 87:[89, 27, 81, 54], Operations: [] Exploring Operation: 27+81=108, Resulting Numbers: [89, 54, 108] Generated Node #2: [89, 54, 108] from Operation: 27+81=108 Current State: 87:[89, 54, 108], Operations: ['27+81=108'] Exploring Operation: 108/54=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 108/54=2 Current State: 87:[89, 2], Operations: ['27+81=108', '108/54=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[89, 27, 81, 54], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [89, 27, 27] Generated Node #0,0: 87:[89, 27, 27] Operation: 81-54=27 Moving to Node #0,0 Current State: 87:[89, 27, 27], Operations: ['81-54=27'] Exploring Operation: 27/27=1, Resulting Numbers: [89, 1] Generated Node #0,0,0: 87:[89, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[89, 1], Operations: ['81-54=27', '27/27=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,87 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
[ 72, 32, 22, 36 ]
59
[ "72*36=2592", "2592/32=81", "81-22=59" ]
Current State: 59:[72, 32, 22, 36], Operations: [] Exploring Operation: 72*36=2592, Resulting Numbers: [32, 22, 2592] Generated Node #2: [32, 22, 2592] from Operation: 72*36=2592 Current State: 59:[32, 22, 2592], Operations: ['72*36=2592'] Exploring Operation: 2592/32=81, Resulting Numbers: [22, 81] Generated Node #3: [22, 81] from Operation: 2592/32=81 Current State: 59:[22, 81], Operations: ['72*36=2592', '2592/32=81'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[72, 32, 22, 36], Operations: [] Exploring Operation: 22+36=58, Resulting Numbers: [72, 32, 58] Generated Node #0,0: 59:[72, 32, 58] Operation: 22+36=58 Exploring Operation: 72-22=50, Resulting Numbers: [32, 36, 50] Generated Node #0,1: 59:[32, 36, 50] Operation: 72-22=50 Exploring Operation: 32+22=54, Resulting Numbers: [72, 36, 54] Generated Node #0,2: 59:[72, 36, 54] Operation: 32+22=54 Exploring Operation: 32+36=68, Resulting Numbers: [72, 22, 68] Generated Node #0,3: 59:[72, 22, 68] Operation: 32+36=68 Exploring Operation: 72-32=40, Resulting Numbers: [22, 36, 40] Generated Node #0,4: 59:[22, 36, 40] Operation: 72-32=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[72, 32, 58], Operations: ['22+36=58'] Exploring Operation: 72+32=104, Resulting Numbers: [58, 104] Generated Node #0,0,0: 59:[58, 104] Operation: 72+32=104 Exploring Operation: 58-32=26, Resulting Numbers: [72, 26] Generated Node #0,0,1: 59:[72, 26] Operation: 58-32=26 Exploring Operation: 72-32=40, Resulting Numbers: [58, 40] Generated Node #0,0,2: 59:[58, 40] Operation: 72-32=40 Exploring Operation: 32+58=90, Resulting Numbers: [72, 90] Generated Node #0,0,3: 59:[72, 90] Operation: 32+58=90 Exploring Operation: 72-58=14, Resulting Numbers: [32, 14] Generated Node #0,0,4: 59:[32, 14] Operation: 72-58=14 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[58, 40], Operations: ['22+36=58', '72-32=40'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 58*40=2320, Resulting Numbers: [2320] 2320,59 unequal: No Solution No 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: 59:[72, 90], Operations: ['22+36=58', '32+58=90'] Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,59 unequal: No Solution No 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: 59:[58, 104], Operations: ['22+36=58', '72+32=104'] Exploring Operation: 58+104=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 104-58=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 58*104=6032, Resulting Numbers: [6032] 6032,59 unequal: No Solution No 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: 59:[72, 26], Operations: ['22+36=58', '58-32=26'] Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,59 unequal: No Solution Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,59 unequal: No Solution No 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: 59:[32, 14], Operations: ['22+36=58', '72-58=14'] Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,59 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: 59:[72, 36, 54], Operations: ['32+22=54'] Exploring Operation: 72-36=36, Resulting Numbers: [54, 36] Generated Node #0,2,0: 59:[54, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [54, 2] Generated Node #0,2,1: 59:[54, 2] Operation: 72/36=2 Exploring Operation: 54-36=18, Resulting Numbers: [72, 18] Generated Node #0,2,2: 59:[72, 18] Operation: 54-36=18 Exploring Operation: 72+36=108, Resulting Numbers: [54, 108] Generated Node #0,2,3: 59:[54, 108] Operation: 72+36=108 Exploring Operation: 36+54=90, Resulting Numbers: [72, 90] Generated Node #0,2,4: 59:[72, 90] Operation: 36+54=90 Moving to Node #0,2,0 Current State: 59:[54, 36], Operations: ['32+22=54', '72-36=36'] Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,59 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[72, 90], Operations: ['32+22=54', '36+54=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[72, 18], Operations: ['32+22=54', '54-36=18'] Exploring Operation: 72*18=1296, Resulting Numbers: [1296] 1296,59 unequal: No Solution Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 72-18=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 72+18=90, Resulting Numbers: [90] 90,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[54, 108], Operations: ['32+22=54', '72+36=108'] Exploring Operation: 54+108=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 108/54=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 54*108=5832, Resulting Numbers: [5832] 5832,59 unequal: No Solution Exploring Operation: 108-54=54, Resulting Numbers: [54] 54,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[54, 2], Operations: ['32+22=54', '72/36=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[32, 36, 50], Operations: ['72-22=50'] Exploring Operation: 32+50=82, Resulting Numbers: [36, 82] Generated Node #0,1,0: 59:[36, 82] Operation: 32+50=82 Exploring Operation: 50-32=18, Resulting Numbers: [36, 18] Generated Node #0,1,1: 59:[36, 18] Operation: 50-32=18 Exploring Operation: 36+50=86, Resulting Numbers: [32, 86] Generated Node #0,1,2: 59:[32, 86] Operation: 36+50=86 Exploring Operation: 32+36=68, Resulting Numbers: [50, 68] Generated Node #0,1,3: 59:[50, 68] Operation: 32+36=68 Exploring Operation: 36-32=4, Resulting Numbers: [50, 4] Generated Node #0,1,4: 59:[50, 4] Operation: 36-32=4 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 59:[50, 68], Operations: ['72-22=50', '32+36=68'] Exploring Operation: 50*68=3400, Resulting Numbers: [3400] 3400,59 unequal: No Solution Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 50+68=118, Resulting Numbers: [118] 118,59 unequal: No Solution No 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: 59:[36, 82], Operations: ['72-22=50', '32+50=82'] Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,59 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,59 unequal: No Solution No 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: 59:[32, 86], Operations: ['72-22=50', '36+50=86'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 32+86=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 32*86=2752, Resulting Numbers: [2752] 2752,59 unequal: No Solution No 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: 59:[36, 18], Operations: ['72-22=50', '50-32=18'] Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,59 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,59 unequal: No Solution No 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: 59:[50, 4], Operations: ['72-22=50', '36-32=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,59 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,59 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: 59:[72, 22, 68], Operations: ['32+36=68'] Exploring Operation: 72-22=50, Resulting Numbers: [68, 50] Generated Node #0,3,0: 59:[68, 50] Operation: 72-22=50 Exploring Operation: 72-68=4, Resulting Numbers: [22, 4] Generated Node #0,3,1: 59:[22, 4] Operation: 72-68=4 Exploring Operation: 72+22=94, Resulting Numbers: [68, 94] Generated Node #0,3,2: 59:[68, 94] Operation: 72+22=94 Exploring Operation: 68-22=46, Resulting Numbers: [72, 46] Generated Node #0,3,3: 59:[72, 46] Operation: 68-22=46 Exploring Operation: 22+68=90, Resulting Numbers: [72, 90] Generated Node #0,3,4: 59:[72, 90] Operation: 22+68=90 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 59:[68, 50], Operations: ['32+36=68', '72-22=50'] Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 68+50=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 68*50=3400, Resulting Numbers: [3400] 3400,59 unequal: No Solution No 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: 59:[72, 46], Operations: ['32+36=68', '68-22=46'] Exploring Operation: 72*46=3312, Resulting Numbers: [3312] 3312,59 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 72+46=118, Resulting Numbers: [118] 118,59 unequal: No Solution No 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: 59:[68, 94], Operations: ['32+36=68', '72+22=94'] Exploring Operation: 94-68=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 68+94=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 68*94=6392, Resulting Numbers: [6392] 6392,59 unequal: No Solution No 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: 59:[72, 90], Operations: ['32+36=68', '22+68=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution No 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: 59:[22, 4], Operations: ['32+36=68', '72-68=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,59 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: 59:[22, 36, 40], Operations: ['72-32=40'] Exploring Operation: 22+36=58, Resulting Numbers: [40, 58] Generated Node #0,4,0: 59:[40, 58] Operation: 22+36=58 Exploring Operation: 36-22=14, Resulting Numbers: [40, 14] Generated Node #0,4,1: 59:[40, 14] Operation: 36-22=14 Exploring Operation: 22+40=62, Resulting Numbers: [36, 62] Generated Node #0,4,2: 59:[36, 62] Operation: 22+40=62 Exploring Operation: 40-22=18, Resulting Numbers: [36, 18] Generated Node #0,4,3: 59:[36, 18] Operation: 40-22=18 Exploring Operation: 36+40=76, Resulting Numbers: [22, 76] Generated Node #0,4,4: 59:[22, 76] Operation: 36+40=76 Moving to Node #0,4,0 Current State: 59:[40, 58], Operations: ['72-32=40', '22+36=58'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,59 unequal: No Solution Exploring Operation: 40*58=2320, Resulting Numbers: [2320] 2320,59 unequal: No Solution Exploring Operation: 40+58=98, Resulting Numbers: [98] 98,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[36, 62], Operations: ['72-32=40', '22+40=62'] Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,59 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[22, 76], Operations: ['72-32=40', '36+40=76'] Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,59 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[40, 14], Operations: ['72-32=40', '36-22=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,59 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[36, 18], Operations: ['72-32=40', '40-22=18'] Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,59 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,59 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
[ 74, 2, 78, 14 ]
69
[ "74+78=152", "152-14=138", "138/2=69" ]
Current State: 69:[74, 2, 78, 14], Operations: [] Exploring Operation: 74+78=152, Resulting Numbers: [2, 14, 152] Generated Node #2: [2, 14, 152] from Operation: 74+78=152 Current State: 69:[2, 14, 152], Operations: ['74+78=152'] Exploring Operation: 152-14=138, Resulting Numbers: [2, 138] Generated Node #3: [2, 138] from Operation: 152-14=138 Current State: 69:[2, 138], Operations: ['74+78=152', '152-14=138'] Exploring Operation: 138/2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[74, 2, 78, 14], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [2, 14, 4] Generated Node #0,0: 69:[2, 14, 4] Operation: 78-74=4 Moving to Node #0,0 Current State: 69:[2, 14, 4], Operations: ['78-74=4'] Exploring Operation: 14/2=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 69:[4, 7] Operation: 14/2=7 Moving to Node #0,0,0 Current State: 69:[4, 7], Operations: ['78-74=4', '14/2=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,69 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 95, 18, 42, 50 ]
54
[ "95-42=53", "53-50=3", "18*3=54" ]
Current State: 54:[95, 18, 42, 50], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [18, 50, 53] Generated Node #2: [18, 50, 53] from Operation: 95-42=53 Current State: 54:[18, 50, 53], Operations: ['95-42=53'] Exploring Operation: 53-50=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 53-50=3 Current State: 54:[18, 3], Operations: ['95-42=53', '53-50=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[95, 18, 42, 50], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [18, 50, 53] Generated Node #0,0: 54:[18, 50, 53] Operation: 95-42=53 Exploring Operation: 95-18=77, Resulting Numbers: [42, 50, 77] Generated Node #0,1: 54:[42, 50, 77] Operation: 95-18=77 Exploring Operation: 95-50=45, Resulting Numbers: [18, 42, 45] Generated Node #0,2: 54:[18, 42, 45] Operation: 95-50=45 Moving to Node #0,0 Current State: 54:[18, 50, 53], Operations: ['95-42=53'] Exploring Operation: 53-50=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 54:[18, 3] Operation: 53-50=3 Exploring Operation: 50-18=32, Resulting Numbers: [53, 32] Generated Node #0,0,1: 54:[53, 32] Operation: 50-18=32 Exploring Operation: 53-18=35, Resulting Numbers: [50, 35] Generated Node #0,0,2: 54:[50, 35] Operation: 53-18=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[18, 3], Operations: ['95-42=53', '53-50=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[95, 18, 42, 50], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [18, 50, 53] Generated Node #0,0: 54:[18, 50, 53] Operation: 95-42=53 Moving to Node #0,0 Current State: 54:[18, 50, 53], Operations: ['95-42=53'] Exploring Operation: 53-50=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 54:[18, 3] Operation: 53-50=3 Moving to Node #0,0,0 Current State: 54:[18, 3], Operations: ['95-42=53', '53-50=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 17, 56, 25, 1 ]
97
[ "17+56=73", "25-1=24", "73+24=97" ]
Current State: 97:[17, 56, 25, 1], Operations: [] Exploring Operation: 17+56=73, Resulting Numbers: [25, 1, 73] Generated Node #2: [25, 1, 73] from Operation: 17+56=73 Current State: 97:[25, 1, 73], Operations: ['17+56=73'] Exploring Operation: 25-1=24, Resulting Numbers: [73, 24] Generated Node #3: [73, 24] from Operation: 25-1=24 Current State: 97:[73, 24], Operations: ['17+56=73', '25-1=24'] Exploring Operation: 73+24=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[17, 56, 25, 1], Operations: [] Exploring Operation: 17+25=42, Resulting Numbers: [56, 1, 42] Generated Node #0,0: 97:[56, 1, 42] Operation: 17+25=42 Exploring Operation: 17+56=73, Resulting Numbers: [25, 1, 73] Generated Node #0,1: 97:[25, 1, 73] Operation: 17+56=73 Exploring Operation: 17+1=18, Resulting Numbers: [56, 25, 18] Generated Node #0,2: 97:[56, 25, 18] Operation: 17+1=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[56, 1, 42], Operations: ['17+25=42'] Exploring Operation: 1+42=43, Resulting Numbers: [56, 43] Generated Node #0,0,0: 97:[56, 43] Operation: 1+42=43 Exploring Operation: 56+1=57, Resulting Numbers: [42, 57] Generated Node #0,0,1: 97:[42, 57] Operation: 56+1=57 Exploring Operation: 56*1=56, Resulting Numbers: [42, 56] Generated Node #0,0,2: 97:[42, 56] Operation: 56*1=56 Moving to Node #0,0,0 Current State: 97:[56, 43], Operations: ['17+25=42', '1+42=43'] Exploring Operation: 56+43=99, Resulting Numbers: [99] 99,97 unequal: No Solution Exploring Operation: 56*43=2408, Resulting Numbers: [2408] 2408,97 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[42, 57], Operations: ['17+25=42', '56+1=57'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 42*57=2394, Resulting Numbers: [2394] 2394,97 unequal: No Solution Exploring Operation: 42+57=99, Resulting Numbers: [99] 99,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[42, 56], Operations: ['17+25=42', '56*1=56'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,97 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,97 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 Current State: 97:[25, 1, 73], Operations: ['17+56=73'] Exploring Operation: 25+1=26, Resulting Numbers: [73, 26] Generated Node #0,1,0: 97:[73, 26] Operation: 25+1=26 Exploring Operation: 25*1=25, Resulting Numbers: [73, 25] Generated Node #0,1,1: 97:[73, 25] Operation: 25*1=25 Exploring Operation: 1+73=74, Resulting Numbers: [25, 74] Generated Node #0,1,2: 97:[25, 74] Operation: 1+73=74 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[73, 26], Operations: ['17+56=73', '25+1=26'] Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,97 unequal: No Solution Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,97 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,97 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 #0,1,2 Current State: 97:[25, 74], Operations: ['17+56=73', '1+73=74'] Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,97 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,97 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 #0,1,1 Current State: 97:[73, 25], Operations: ['17+56=73', '25*1=25'] Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 73*25=1825, Resulting Numbers: [1825] 1825,97 unequal: No Solution Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[56, 25, 18], Operations: ['17+1=18'] Exploring Operation: 56+18=74, Resulting Numbers: [25, 74] Generated Node #0,2,0: 97:[25, 74] Operation: 56+18=74 Exploring Operation: 25+18=43, Resulting Numbers: [56, 43] Generated Node #0,2,1: 97:[56, 43] Operation: 25+18=43 Exploring Operation: 56+25=81, Resulting Numbers: [18, 81] Generated Node #0,2,2: 97:[18, 81] Operation: 56+25=81 Moving to Node #0,2,0 Current State: 97:[25, 74], Operations: ['17+1=18', '56+18=74'] Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,97 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[56, 43], Operations: ['17+1=18', '25+18=43'] Exploring Operation: 56+43=99, Resulting Numbers: [99] 99,97 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 56*43=2408, Resulting Numbers: [2408] 2408,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[18, 81], Operations: ['17+1=18', '56+25=81'] Exploring Operation: 18*81=1458, Resulting Numbers: [1458] 1458,97 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,97 unequal: No Solution Exploring Operation: 18+81=99, Resulting Numbers: [99] 99,97 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
[ 14, 84, 37, 53 ]
82
[ "14+84=98", "53-37=16", "98-16=82" ]
Current State: 82:[14, 84, 37, 53], Operations: [] Exploring Operation: 14+84=98, Resulting Numbers: [37, 53, 98] Generated Node #2: [37, 53, 98] from Operation: 14+84=98 Current State: 82:[37, 53, 98], Operations: ['14+84=98'] Exploring Operation: 53-37=16, Resulting Numbers: [98, 16] Generated Node #3: [98, 16] from Operation: 53-37=16 Current State: 82:[98, 16], Operations: ['14+84=98', '53-37=16'] Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[14, 84, 37, 53], Operations: [] Exploring Operation: 53-14=39, Resulting Numbers: [84, 37, 39] Generated Node #0,0: 82:[84, 37, 39] Operation: 53-14=39 Exploring Operation: 84/14=6, Resulting Numbers: [37, 53, 6] Generated Node #0,1: 82:[37, 53, 6] Operation: 84/14=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[84, 37, 39], Operations: ['53-14=39'] Exploring Operation: 84-37=47, Resulting Numbers: [39, 47] Generated Node #0,0,0: 82:[39, 47] Operation: 84-37=47 Exploring Operation: 39-37=2, Resulting Numbers: [84, 2] Generated Node #0,0,1: 82:[84, 2] Operation: 39-37=2 Moving to Node #0,0,1 Current State: 82:[84, 2], Operations: ['53-14=39', '39-37=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[14, 84, 37, 53], Operations: [] Exploring Operation: 53-14=39, Resulting Numbers: [84, 37, 39] Generated Node #0,0: 82:[84, 37, 39] Operation: 53-14=39 Moving to Node #0,0 Current State: 82:[84, 37, 39], Operations: ['53-14=39'] Exploring Operation: 39-37=2, Resulting Numbers: [84, 2] Generated Node #0,0,1: 82:[84, 2] Operation: 39-37=2 Moving to Node #0,0,1 Current State: 82:[84, 2], Operations: ['53-14=39', '39-37=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 29, 52, 3, 22 ]
15
[ "29+52=81", "3*22=66", "81-66=15" ]
Current State: 15:[29, 52, 3, 22], Operations: [] Exploring Operation: 29+52=81, Resulting Numbers: [3, 22, 81] Generated Node #2: [3, 22, 81] from Operation: 29+52=81 Current State: 15:[3, 22, 81], Operations: ['29+52=81'] Exploring Operation: 3*22=66, Resulting Numbers: [81, 66] Generated Node #3: [81, 66] from Operation: 3*22=66 Current State: 15:[81, 66], Operations: ['29+52=81', '3*22=66'] Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[29, 52, 3, 22], Operations: [] Exploring Operation: 52-22=30, Resulting Numbers: [29, 3, 30] Generated Node #0,0: 15:[29, 3, 30] Operation: 52-22=30 Exploring Operation: 29-3=26, Resulting Numbers: [52, 22, 26] Generated Node #0,1: 15:[52, 22, 26] Operation: 29-3=26 Exploring Operation: 29-22=7, Resulting Numbers: [52, 3, 7] Generated Node #0,2: 15:[52, 3, 7] Operation: 29-22=7 Exploring Operation: 52-29=23, Resulting Numbers: [3, 22, 23] Generated Node #0,3: 15:[3, 22, 23] Operation: 52-29=23 Exploring Operation: 52-3=49, Resulting Numbers: [29, 22, 49] Generated Node #0,4: 15:[29, 22, 49] Operation: 52-3=49 Moving to Node #0,3 Current State: 15:[3, 22, 23], Operations: ['52-29=23'] Exploring Operation: 22-3=19, Resulting Numbers: [23, 19] Generated Node #0,3,0: 15:[23, 19] Operation: 22-3=19 Exploring Operation: 23-3=20, Resulting Numbers: [22, 20] Generated Node #0,3,1: 15:[22, 20] Operation: 23-3=20 Exploring Operation: 3+23=26, Resulting Numbers: [22, 26] Generated Node #0,3,2: 15:[22, 26] Operation: 3+23=26 Exploring Operation: 3+22=25, Resulting Numbers: [23, 25] Generated Node #0,3,3: 15:[23, 25] Operation: 3+22=25 Exploring Operation: 23-22=1, Resulting Numbers: [3, 1] Generated Node #0,3,4: 15:[3, 1] Operation: 23-22=1 Moving to Node #0,0 Current State: 15:[29, 3, 30], Operations: ['52-22=30'] Exploring Operation: 30-3=27, Resulting Numbers: [29, 27] Generated Node #0,0,0: 15:[29, 27] Operation: 30-3=27 Exploring Operation: 29-3=26, Resulting Numbers: [30, 26] Generated Node #0,0,1: 15:[30, 26] Operation: 29-3=26 Exploring Operation: 30-29=1, Resulting Numbers: [3, 1] Generated Node #0,0,2: 15:[3, 1] Operation: 30-29=1 Exploring Operation: 29+3=32, Resulting Numbers: [30, 32] Generated Node #0,0,3: 15:[30, 32] Operation: 29+3=32 Exploring Operation: 30/3=10, Resulting Numbers: [29, 10] Generated Node #0,0,4: 15:[29, 10] Operation: 30/3=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[3, 1], Operations: ['52-22=30', '30-29=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 15:[29, 10], Operations: ['52-22=30', '30/3=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,15 unequal: No Solution Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,15 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[29, 27], Operations: ['52-22=30', '30-3=27'] Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,15 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[30, 26], Operations: ['52-22=30', '29-3=26'] Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,15 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[30, 32], Operations: ['52-22=30', '29+3=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,15 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,15 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,15 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: 15:[52, 3, 7], Operations: ['29-22=7'] Exploring Operation: 7-3=4, Resulting Numbers: [52, 4] Generated Node #0,2,0: 15:[52, 4] Operation: 7-3=4 Exploring Operation: 52-3=49, Resulting Numbers: [7, 49] Generated Node #0,2,1: 15:[7, 49] Operation: 52-3=49 Exploring Operation: 3+7=10, Resulting Numbers: [52, 10] Generated Node #0,2,2: 15:[52, 10] Operation: 3+7=10 Exploring Operation: 52+3=55, Resulting Numbers: [7, 55] Generated Node #0,2,3: 15:[7, 55] Operation: 52+3=55 Exploring Operation: 52-7=45, Resulting Numbers: [3, 45] Generated Node #0,2,4: 15:[3, 45] Operation: 52-7=45 Moving to Node #0,1 Current State: 15:[52, 22, 26], Operations: ['29-3=26'] Exploring Operation: 52+22=74, Resulting Numbers: [26, 74] Generated Node #0,1,0: 15:[26, 74] Operation: 52+22=74 Exploring Operation: 52-22=30, Resulting Numbers: [26, 30] Generated Node #0,1,1: 15:[26, 30] Operation: 52-22=30 Exploring Operation: 52-26=26, Resulting Numbers: [22, 26] Generated Node #0,1,2: 15:[22, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [22, 2] Generated Node #0,1,3: 15:[22, 2] Operation: 52/26=2 Exploring Operation: 26-22=4, Resulting Numbers: [52, 4] Generated Node #0,1,4: 15:[52, 4] Operation: 26-22=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 15:[22, 2], Operations: ['29-3=26', '52/26=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[22, 26], Operations: ['29-3=26', '52-26=26'] Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[26, 30], Operations: ['29-3=26', '52-22=30'] Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,15 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 15:[52, 4], Operations: ['29-3=26', '26-22=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,15 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[26, 74], Operations: ['29-3=26', '52+22=74'] Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,15 unequal: No Solution Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,15 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,15 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: 15:[29, 22, 49], Operations: ['52-3=49'] Exploring Operation: 49-29=20, Resulting Numbers: [22, 20] Generated Node #0,4,0: 15:[22, 20] Operation: 49-29=20 Exploring Operation: 49-22=27, Resulting Numbers: [29, 27] Generated Node #0,4,1: 15:[29, 27] Operation: 49-22=27 Exploring Operation: 29+49=78, Resulting Numbers: [22, 78] Generated Node #0,4,2: 15:[22, 78] Operation: 29+49=78 Exploring Operation: 29+22=51, Resulting Numbers: [49, 51] Generated Node #0,4,3: 15:[49, 51] Operation: 29+22=51 Exploring Operation: 29-22=7, Resulting Numbers: [49, 7] Generated Node #0,4,4: 15:[49, 7] Operation: 29-22=7 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 15:[22, 20], Operations: ['52-3=49', '49-29=20'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,15 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 15:[29, 27], Operations: ['52-3=49', '49-22=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 15:[49, 7], Operations: ['52-3=49', '29-22=7'] Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 49*7=343, Resulting Numbers: [343] 343,15 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 15:[22, 78], Operations: ['52-3=49', '29+49=78'] Exploring Operation: 22+78=100, Resulting Numbers: [100] 100,15 unequal: No Solution Exploring Operation: 22*78=1716, Resulting Numbers: [1716] 1716,15 unequal: No Solution Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 15:[49, 51], Operations: ['52-3=49', '29+22=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,15 unequal: No Solution Exploring Operation: 49*51=2499, Resulting Numbers: [2499] 2499,15 unequal: No Solution Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 15:[3, 1], Operations: ['52-29=23', '23-22=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[22, 20], Operations: ['52-29=23', '23-3=20'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[23, 19], Operations: ['52-29=23', '22-3=19'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,15 unequal: No Solution Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[23, 25], Operations: ['52-29=23', '3+22=25'] Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[22, 26], Operations: ['52-29=23', '3+23=26'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,15 unequal: No Solution Moving to Node #0,2,4 Current State: 15:[3, 45], Operations: ['29-22=7', '52-7=45'] Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,15 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[29, 52, 3, 22], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [52, 3, 7] Generated Node #0,2: 15:[52, 3, 7] Operation: 29-22=7 Moving to Node #0,2 Current State: 15:[52, 3, 7], Operations: ['29-22=7'] Exploring Operation: 52-7=45, Resulting Numbers: [3, 45] Generated Node #0,2,4: 15:[3, 45] Operation: 52-7=45 Moving to Node #0,2,4 Current State: 15:[3, 45], Operations: ['29-22=7', '52-7=45'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.912326
hs_5
mult_heuristic
[ 53, 84, 69, 59 ]
41
[ "84-53=31", "69-59=10", "31+10=41" ]
Current State: 41:[53, 84, 69, 59], Operations: [] Exploring Operation: 84-53=31, Resulting Numbers: [69, 59, 31] Generated Node #2: [69, 59, 31] from Operation: 84-53=31 Current State: 41:[69, 59, 31], Operations: ['84-53=31'] Exploring Operation: 69-59=10, Resulting Numbers: [31, 10] Generated Node #3: [31, 10] from Operation: 69-59=10 Current State: 41:[31, 10], Operations: ['84-53=31', '69-59=10'] Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[53, 84, 69, 59], Operations: [] Exploring Operation: 84-53=31, Resulting Numbers: [69, 59, 31] Generated Node #0,0: 41:[69, 59, 31] Operation: 84-53=31 Moving to Node #0,0 Current State: 41:[69, 59, 31], Operations: ['84-53=31'] Exploring Operation: 69-31=38, Resulting Numbers: [59, 38] Generated Node #0,0,0: 41:[59, 38] Operation: 69-31=38 Moving to Node #0,0,0 Current State: 41:[59, 38], Operations: ['84-53=31', '69-31=38'] Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 68, 67, 24, 54 ]
30
[ "68-67=1", "54-24=30", "1*30=30" ]
Current State: 30:[68, 67, 24, 54], Operations: [] Exploring Operation: 68-67=1, Resulting Numbers: [24, 54, 1] Generated Node #2: [24, 54, 1] from Operation: 68-67=1 Current State: 30:[24, 54, 1], Operations: ['68-67=1'] Exploring Operation: 54-24=30, Resulting Numbers: [1, 30] Generated Node #3: [1, 30] from Operation: 54-24=30 Current State: 30:[1, 30], Operations: ['68-67=1', '54-24=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[68, 67, 24, 54], Operations: [] Exploring Operation: 67-54=13, Resulting Numbers: [68, 24, 13] Generated Node #0,0: 30:[68, 24, 13] Operation: 67-54=13 Exploring Operation: 68-54=14, Resulting Numbers: [67, 24, 14] Generated Node #0,1: 30:[67, 24, 14] Operation: 68-54=14 Exploring Operation: 68-67=1, Resulting Numbers: [24, 54, 1] Generated Node #0,2: 30:[24, 54, 1] Operation: 68-67=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[24, 54, 1], Operations: ['68-67=1'] Exploring Operation: 24+1=25, Resulting Numbers: [54, 25] Generated Node #0,2,0: 30:[54, 25] Operation: 24+1=25 Exploring Operation: 54-24=30, Resulting Numbers: [1, 30] Generated Node #0,2,1: 30:[1, 30] Operation: 54-24=30 Exploring Operation: 54-1=53, Resulting Numbers: [24, 53] Generated Node #0,2,2: 30:[24, 53] Operation: 54-1=53 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[1, 30], Operations: ['68-67=1', '54-24=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[68, 67, 24, 54], Operations: [] Exploring Operation: 68-67=1, Resulting Numbers: [24, 54, 1] Generated Node #0,2: 30:[24, 54, 1] Operation: 68-67=1 Moving to Node #0,2 Current State: 30:[24, 54, 1], Operations: ['68-67=1'] Exploring Operation: 54-24=30, Resulting Numbers: [1, 30] Generated Node #0,2,1: 30:[1, 30] Operation: 54-24=30 Moving to Node #0,2,1 Current State: 30:[1, 30], Operations: ['68-67=1', '54-24=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 14, 43, 49, 5 ]
83
[ "43-14=29", "49+5=54", "29+54=83" ]
Current State: 83:[14, 43, 49, 5], Operations: [] Exploring Operation: 43-14=29, Resulting Numbers: [49, 5, 29] Generated Node #2: [49, 5, 29] from Operation: 43-14=29 Current State: 83:[49, 5, 29], Operations: ['43-14=29'] Exploring Operation: 49+5=54, Resulting Numbers: [29, 54] Generated Node #3: [29, 54] from Operation: 49+5=54 Current State: 83:[29, 54], Operations: ['43-14=29', '49+5=54'] Exploring Operation: 29+54=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[14, 43, 49, 5], Operations: [] Exploring Operation: 14*5=70, Resulting Numbers: [43, 49, 70] Generated Node #0,0: 83:[43, 49, 70] Operation: 14*5=70 Exploring Operation: 14+49=63, Resulting Numbers: [43, 5, 63] Generated Node #0,1: 83:[43, 5, 63] Operation: 14+49=63 Exploring Operation: 14+5=19, Resulting Numbers: [43, 49, 19] Generated Node #0,2: 83:[43, 49, 19] Operation: 14+5=19 Exploring Operation: 14+43=57, Resulting Numbers: [49, 5, 57] Generated Node #0,3: 83:[49, 5, 57] Operation: 14+43=57 Moving to Node #0,0 Current State: 83:[43, 49, 70], Operations: ['14*5=70'] Exploring Operation: 49-43=6, Resulting Numbers: [70, 6] Generated Node #0,0,0: 83:[70, 6] Operation: 49-43=6 Exploring Operation: 43+70=113, Resulting Numbers: [49, 113] Generated Node #0,0,1: 83:[49, 113] Operation: 43+70=113 Exploring Operation: 43+49=92, Resulting Numbers: [70, 92] Generated Node #0,0,2: 83:[70, 92] Operation: 43+49=92 Exploring Operation: 49+70=119, Resulting Numbers: [43, 119] Generated Node #0,0,3: 83:[43, 119] Operation: 49+70=119 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[70, 92], Operations: ['14*5=70', '43+49=92'] Exploring Operation: 70*92=6440, Resulting Numbers: [6440] 6440,83 unequal: No Solution Exploring Operation: 70+92=162, Resulting Numbers: [162] 162,83 unequal: No Solution Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[49, 113], Operations: ['14*5=70', '43+70=113'] Exploring Operation: 113-49=64, Resulting Numbers: [64] 64,83 unequal: No Solution Exploring Operation: 49+113=162, Resulting Numbers: [162] 162,83 unequal: No Solution Exploring Operation: 49*113=5537, Resulting Numbers: [5537] 5537,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[43, 119], Operations: ['14*5=70', '49+70=119'] Exploring Operation: 119-43=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 43*119=5117, Resulting Numbers: [5117] 5117,83 unequal: No Solution Exploring Operation: 43+119=162, Resulting Numbers: [162] 162,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[70, 6], Operations: ['14*5=70', '49-43=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,83 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,83 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: 83:[43, 49, 19], Operations: ['14+5=19'] Exploring Operation: 43-19=24, Resulting Numbers: [49, 24] Generated Node #0,2,0: 83:[49, 24] Operation: 43-19=24 Exploring Operation: 43+19=62, Resulting Numbers: [49, 62] Generated Node #0,2,1: 83:[49, 62] Operation: 43+19=62 Exploring Operation: 43+49=92, Resulting Numbers: [19, 92] Generated Node #0,2,2: 83:[19, 92] Operation: 43+49=92 Exploring Operation: 49+19=68, Resulting Numbers: [43, 68] Generated Node #0,2,3: 83:[43, 68] Operation: 49+19=68 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[49, 62], Operations: ['14+5=19', '43+19=62'] Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 49+62=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 49*62=3038, Resulting Numbers: [3038] 3038,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[43, 68], Operations: ['14+5=19', '49+19=68'] Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,83 unequal: No Solution Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[19, 92], Operations: ['14+5=19', '43+49=92'] Exploring Operation: 19*92=1748, Resulting Numbers: [1748] 1748,83 unequal: No Solution Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 19+92=111, Resulting Numbers: [111] 111,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[49, 24], Operations: ['14+5=19', '43-19=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,83 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,83 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: 83:[43, 5, 63], Operations: ['14+49=63'] Exploring Operation: 43-5=38, Resulting Numbers: [63, 38] Generated Node #0,1,0: 83:[63, 38] Operation: 43-5=38 Exploring Operation: 63-5=58, Resulting Numbers: [43, 58] Generated Node #0,1,1: 83:[43, 58] Operation: 63-5=58 Exploring Operation: 5+63=68, Resulting Numbers: [43, 68] Generated Node #0,1,2: 83:[43, 68] Operation: 5+63=68 Exploring Operation: 43+5=48, Resulting Numbers: [63, 48] Generated Node #0,1,3: 83:[63, 48] Operation: 43+5=48 Moving to Node #0,3 Current State: 83:[49, 5, 57], Operations: ['14+43=57'] Exploring Operation: 5+57=62, Resulting Numbers: [49, 62] Generated Node #0,3,0: 83:[49, 62] Operation: 5+57=62 Exploring Operation: 49+5=54, Resulting Numbers: [57, 54] Generated Node #0,3,1: 83:[57, 54] Operation: 49+5=54 Exploring Operation: 57-5=52, Resulting Numbers: [49, 52] Generated Node #0,3,2: 83:[49, 52] Operation: 57-5=52 Exploring Operation: 49-5=44, Resulting Numbers: [57, 44] Generated Node #0,3,3: 83:[57, 44] Operation: 49-5=44 Moving to Node #0,1,2 Current State: 83:[43, 68], Operations: ['14+49=63', '5+63=68'] Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,83 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[57, 54], Operations: ['14+43=57', '49+5=54'] Exploring Operation: 57+54=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 57*54=3078, Resulting Numbers: [3078] 3078,83 unequal: No Solution Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[63, 48], Operations: ['14+49=63', '43+5=48'] Exploring Operation: 63+48=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 63*48=3024, Resulting Numbers: [3024] 3024,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[49, 62], Operations: ['14+43=57', '5+57=62'] Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 49*62=3038, Resulting Numbers: [3038] 3038,83 unequal: No Solution Exploring Operation: 49+62=111, Resulting Numbers: [111] 111,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[49, 52], Operations: ['14+43=57', '57-5=52'] Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,83 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[63, 38], Operations: ['14+49=63', '43-5=38'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,83 unequal: No Solution Exploring Operation: 63*38=2394, Resulting Numbers: [2394] 2394,83 unequal: No Solution Exploring Operation: 63+38=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[57, 44], Operations: ['14+43=57', '49-5=44'] Exploring Operation: 57*44=2508, Resulting Numbers: [2508] 2508,83 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 57+44=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[43, 58], Operations: ['14+49=63', '63-5=58'] Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 22, 72, 71, 60 ]
82
[ "22+60=82", "72-71=1", "82*1=82" ]
Current State: 82:[22, 72, 71, 60], Operations: [] Exploring Operation: 22+60=82, Resulting Numbers: [72, 71, 82] Generated Node #2: [72, 71, 82] from Operation: 22+60=82 Current State: 82:[72, 71, 82], Operations: ['22+60=82'] Exploring Operation: 72-71=1, Resulting Numbers: [82, 1] Generated Node #3: [82, 1] from Operation: 72-71=1 Current State: 82:[82, 1], Operations: ['22+60=82', '72-71=1'] Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[22, 72, 71, 60], Operations: [] Exploring Operation: 60-22=38, Resulting Numbers: [72, 71, 38] Generated Node #0,0: 82:[72, 71, 38] Operation: 60-22=38 Exploring Operation: 22+60=82, Resulting Numbers: [72, 71, 82] Generated Node #0,1: 82:[72, 71, 82] Operation: 22+60=82 Exploring Operation: 71-22=49, Resulting Numbers: [72, 60, 49] Generated Node #0,2: 82:[72, 60, 49] Operation: 71-22=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[72, 71, 82], Operations: ['22+60=82'] Exploring Operation: 82-71=11, Resulting Numbers: [72, 11] Generated Node #0,1,0: 82:[72, 11] Operation: 82-71=11 Exploring Operation: 82-72=10, Resulting Numbers: [71, 10] Generated Node #0,1,1: 82:[71, 10] Operation: 82-72=10 Exploring Operation: 72-71=1, Resulting Numbers: [82, 1] Generated Node #0,1,2: 82:[82, 1] Operation: 72-71=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 82:[82, 1], Operations: ['22+60=82', '72-71=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[22, 72, 71, 60], Operations: [] Exploring Operation: 22+60=82, Resulting Numbers: [72, 71, 82] Generated Node #0,1: 82:[72, 71, 82] Operation: 22+60=82 Moving to Node #0,1 Current State: 82:[72, 71, 82], Operations: ['22+60=82'] Exploring Operation: 72-71=1, Resulting Numbers: [82, 1] Generated Node #0,1,2: 82:[82, 1] Operation: 72-71=1 Moving to Node #0,1,2 Current State: 82:[82, 1], Operations: ['22+60=82', '72-71=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 67, 12, 79, 65 ]
64
[ "67+12=79", "79/79=1", "65-1=64" ]
Current State: 64:[67, 12, 79, 65], Operations: [] Exploring Operation: 67+12=79, Resulting Numbers: [79, 65, 79] Generated Node #2: [79, 65, 79] from Operation: 67+12=79 Current State: 64:[79, 65, 79], Operations: ['67+12=79'] Exploring Operation: 79/79=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 79/79=1 Current State: 64:[65, 1], Operations: ['67+12=79', '79/79=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[67, 12, 79, 65], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [12, 65, 12] Generated Node #0,0: 64:[12, 65, 12] Operation: 79-67=12 Exploring Operation: 79-12=67, Resulting Numbers: [67, 65, 67] Generated Node #0,1: 64:[67, 65, 67] Operation: 79-12=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[67, 65, 67], Operations: ['79-12=67'] Exploring Operation: 67/67=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 64:[65, 1] Operation: 67/67=1 Exploring Operation: 67-65=2, Resulting Numbers: [67, 2] Generated Node #0,1,1: 64:[67, 2] Operation: 67-65=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[65, 1], Operations: ['79-12=67', '67/67=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[67, 12, 79, 65], Operations: [] Exploring Operation: 79-12=67, Resulting Numbers: [67, 65, 67] Generated Node #0,1: 64:[67, 65, 67] Operation: 79-12=67 Moving to Node #0,1 Current State: 64:[67, 65, 67], Operations: ['79-12=67'] Exploring Operation: 67/67=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 64:[65, 1] Operation: 67/67=1 Moving to Node #0,1,0 Current State: 64:[65, 1], Operations: ['79-12=67', '67/67=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 56, 38, 30, 38 ]
31
[ "38-30=8", "56/8=7", "38-7=31" ]
Current State: 31:[56, 38, 30, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [56, 8] Generated Node #2: [56, 8] from Operation: 38-30=8 Current State: 31:[56, 8], Operations: ['38-30=8'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,31 equal: Goal Reached Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[56, 38, 30, 38], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [30, 38, 18] Generated Node #0,0: 31:[30, 38, 18] Operation: 56-38=18 Exploring Operation: 38-30=8, Resulting Numbers: [56, 38, 8] Generated Node #0,1: 31:[56, 38, 8] Operation: 38-30=8 Exploring Operation: 56-30=26, Resulting Numbers: [38, 38, 26] Generated Node #0,2: 31:[38, 38, 26] Operation: 56-30=26 Exploring Operation: 56-38=18, Resulting Numbers: [38, 30, 18] Generated Node #0,3: 31:[38, 30, 18] Operation: 56-38=18 Moving to Node #0,2 Current State: 31:[38, 38, 26], Operations: ['56-30=26'] Exploring Operation: 38/38=1, Resulting Numbers: [26, 1] Generated Node #0,2,0: 31:[26, 1] Operation: 38/38=1 Exploring Operation: 38-26=12, Resulting Numbers: [38, 12] Generated Node #0,2,1: 31:[38, 12] Operation: 38-26=12 Exploring Operation: 38-26=12, Resulting Numbers: [38, 12] Generated Node #0,2,2: 31:[38, 12] Operation: 38-26=12 Exploring Operation: 38-38=0, Resulting Numbers: [26, 0] Generated Node #0,2,3: 31:[26, 0] Operation: 38-38=0 Moving to Node #0,3 Current State: 31:[38, 30, 18], Operations: ['56-38=18'] Exploring Operation: 30+18=48, Resulting Numbers: [38, 48] Generated Node #0,3,0: 31:[38, 48] Operation: 30+18=48 Exploring Operation: 38-18=20, Resulting Numbers: [30, 20] Generated Node #0,3,1: 31:[30, 20] Operation: 38-18=20 Exploring Operation: 30-18=12, Resulting Numbers: [38, 12] Generated Node #0,3,2: 31:[38, 12] Operation: 30-18=12 Exploring Operation: 38+18=56, Resulting Numbers: [30, 56] Generated Node #0,3,3: 31:[30, 56] Operation: 38+18=56 Moving to Node #0,0 Current State: 31:[30, 38, 18], Operations: ['56-38=18'] Exploring Operation: 38-18=20, Resulting Numbers: [30, 20] Generated Node #0,0,0: 31:[30, 20] Operation: 38-18=20 Exploring Operation: 30+18=48, Resulting Numbers: [38, 48] Generated Node #0,0,1: 31:[38, 48] Operation: 30+18=48 Exploring Operation: 38+18=56, Resulting Numbers: [30, 56] Generated Node #0,0,2: 31:[30, 56] Operation: 38+18=56 Exploring Operation: 30-18=12, Resulting Numbers: [38, 12] Generated Node #0,0,3: 31:[38, 12] Operation: 30-18=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[30, 20], Operations: ['56-38=18', '38-18=20'] Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,31 unequal: No Solution Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,31 unequal: No Solution No 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: 31:[38, 48], Operations: ['56-38=18', '30+18=48'] Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 38*48=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution No 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: 31:[30, 56], Operations: ['56-38=18', '38+18=56'] Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,31 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,31 unequal: No Solution No 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: 31:[38, 12], Operations: ['56-38=18', '30-18=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,31 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: 31:[56, 38, 8], Operations: ['38-30=8'] Exploring Operation: 38-8=30, Resulting Numbers: [56, 30] Generated Node #0,1,0: 31:[56, 30] Operation: 38-8=30 Exploring Operation: 56-38=18, Resulting Numbers: [8, 18] Generated Node #0,1,1: 31:[8, 18] Operation: 56-38=18 Exploring Operation: 56-8=48, Resulting Numbers: [38, 48] Generated Node #0,1,2: 31:[38, 48] Operation: 56-8=48 Exploring Operation: 56/8=7, Resulting Numbers: [38, 7] Generated Node #0,1,3: 31:[38, 7] Operation: 56/8=7 Moving to Node #0,3,1 Current State: 31:[30, 20], Operations: ['56-38=18', '38-18=20'] Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[38, 48], Operations: ['56-38=18', '30+18=48'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 38*48=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[38, 48], Operations: ['38-30=8', '56-8=48'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 38*48=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[38, 12], Operations: ['56-38=18', '30-18=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,31 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[38, 12], Operations: ['56-30=26', '38-26=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[56, 30], Operations: ['38-30=8', '38-8=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[30, 56], Operations: ['56-38=18', '38+18=56'] Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[38, 12], Operations: ['56-30=26', '38-26=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,31 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[38, 7], Operations: ['38-30=8', '56/8=7'] Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,31 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[56, 38, 30, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [56, 38, 8] Generated Node #0,1: 31:[56, 38, 8] Operation: 38-30=8 Moving to Node #0,1 Current State: 31:[56, 38, 8], Operations: ['38-30=8'] Exploring Operation: 56/8=7, Resulting Numbers: [38, 7] Generated Node #0,1,3: 31:[38, 7] Operation: 56/8=7 Moving to Node #0,1,3 Current State: 31:[38, 7], Operations: ['38-30=8', '56/8=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 64, 36, 76, 71 ]
20
[ "64+36=100", "76-71=5", "100/5=20" ]
Current State: 20:[64, 36, 76, 71], Operations: [] Exploring Operation: 64+36=100, Resulting Numbers: [76, 71, 100] Generated Node #2: [76, 71, 100] from Operation: 64+36=100 Current State: 20:[76, 71, 100], Operations: ['64+36=100'] Exploring Operation: 76-71=5, Resulting Numbers: [100, 5] Generated Node #3: [100, 5] from Operation: 76-71=5 Current State: 20:[100, 5], Operations: ['64+36=100', '76-71=5'] Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[64, 36, 76, 71], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [64, 36, 5] Generated Node #0,0: 20:[64, 36, 5] Operation: 76-71=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[64, 36, 5], Operations: ['76-71=5'] Exploring Operation: 64-36=28, Resulting Numbers: [5, 28] Generated Node #0,0,0: 20:[5, 28] Operation: 64-36=28 Moving to Node #0,0,0 Current State: 20:[5, 28], Operations: ['76-71=5', '64-36=28'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 61, 11, 55, 58 ]
24
[ "61+11=72", "58-55=3", "72/3=24" ]
Current State: 24:[61, 11, 55, 58], Operations: [] Exploring Operation: 61+11=72, Resulting Numbers: [55, 58, 72] Generated Node #2: [55, 58, 72] from Operation: 61+11=72 Current State: 24:[55, 58, 72], Operations: ['61+11=72'] Exploring Operation: 58-55=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 58-55=3 Current State: 24:[72, 3], Operations: ['61+11=72', '58-55=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[61, 11, 55, 58], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [61, 58, 5] Generated Node #0,0: 24:[61, 58, 5] Operation: 55/11=5 Exploring Operation: 61-55=6, Resulting Numbers: [11, 58, 6] Generated Node #0,1: 24:[11, 58, 6] Operation: 61-55=6 Exploring Operation: 61-58=3, Resulting Numbers: [11, 55, 3] Generated Node #0,2: 24:[11, 55, 3] Operation: 61-58=3 Exploring Operation: 58-55=3, Resulting Numbers: [61, 11, 3] Generated Node #0,3: 24:[61, 11, 3] Operation: 58-55=3 Moving to Node #0,2 Current State: 24:[11, 55, 3], Operations: ['61-58=3'] Exploring Operation: 11-3=8, Resulting Numbers: [55, 8] Generated Node #0,2,0: 24:[55, 8] Operation: 11-3=8 Exploring Operation: 55-11=44, Resulting Numbers: [3, 44] Generated Node #0,2,1: 24:[3, 44] Operation: 55-11=44 Exploring Operation: 55-3=52, Resulting Numbers: [11, 52] Generated Node #0,2,2: 24:[11, 52] Operation: 55-3=52 Exploring Operation: 55/11=5, Resulting Numbers: [3, 5] Generated Node #0,2,3: 24:[3, 5] Operation: 55/11=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 24:[3, 5], Operations: ['61-58=3', '55/11=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,24 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,24 unequal: No Solution No 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: 24:[3, 44], Operations: ['61-58=3', '55-11=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,24 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,24 unequal: No Solution No 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: 24:[11, 52], Operations: ['61-58=3', '55-3=52'] Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,24 unequal: No Solution No 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: 24:[55, 8], Operations: ['61-58=3', '11-3=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,24 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,24 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: 24:[11, 58, 6], Operations: ['61-55=6'] Exploring Operation: 58-6=52, Resulting Numbers: [11, 52] Generated Node #0,1,0: 24:[11, 52] Operation: 58-6=52 Exploring Operation: 11+6=17, Resulting Numbers: [58, 17] Generated Node #0,1,1: 24:[58, 17] Operation: 11+6=17 Exploring Operation: 11-6=5, Resulting Numbers: [58, 5] Generated Node #0,1,2: 24:[58, 5] Operation: 11-6=5 Exploring Operation: 58-11=47, Resulting Numbers: [6, 47] Generated Node #0,1,3: 24:[6, 47] Operation: 58-11=47 Moving to Node #0,3 Current State: 24:[61, 11, 3], Operations: ['58-55=3'] Exploring Operation: 61-3=58, Resulting Numbers: [11, 58] Generated Node #0,3,0: 24:[11, 58] Operation: 61-3=58 Exploring Operation: 61-11=50, Resulting Numbers: [3, 50] Generated Node #0,3,1: 24:[3, 50] Operation: 61-11=50 Exploring Operation: 11-3=8, Resulting Numbers: [61, 8] Generated Node #0,3,2: 24:[61, 8] Operation: 11-3=8 Exploring Operation: 11+3=14, Resulting Numbers: [61, 14] Generated Node #0,3,3: 24:[61, 14] Operation: 11+3=14 Moving to Node #0,0 Current State: 24:[61, 58, 5], Operations: ['55/11=5'] Exploring Operation: 58-5=53, Resulting Numbers: [61, 53] Generated Node #0,0,0: 24:[61, 53] Operation: 58-5=53 Exploring Operation: 61-58=3, Resulting Numbers: [5, 3] Generated Node #0,0,1: 24:[5, 3] Operation: 61-58=3 Exploring Operation: 61-5=56, Resulting Numbers: [58, 56] Generated Node #0,0,2: 24:[58, 56] Operation: 61-5=56 Exploring Operation: 61+5=66, Resulting Numbers: [58, 66] Generated Node #0,0,3: 24:[58, 66] Operation: 61+5=66 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[5, 3], Operations: ['55/11=5', '61-58=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,24 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,24 unequal: No Solution No 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: 24:[61, 53], Operations: ['55/11=5', '58-5=53'] Exploring Operation: 61*53=3233, Resulting Numbers: [3233] 3233,24 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 61+53=114, Resulting Numbers: [114] 114,24 unequal: No Solution No 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: 24:[58, 56], Operations: ['55/11=5', '61-5=56'] Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,24 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,24 unequal: No Solution No 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: 24:[58, 66], Operations: ['55/11=5', '61+5=66'] Exploring Operation: 58*66=3828, Resulting Numbers: [3828] 3828,24 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 24:[6, 47], Operations: ['61-55=6', '58-11=47'] Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,24 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[3, 50], Operations: ['58-55=3', '61-11=50'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[11, 52], Operations: ['61-55=6', '58-6=52'] Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,24 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[58, 5], Operations: ['61-55=6', '11-6=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[11, 58], Operations: ['58-55=3', '61-3=58'] Exploring Operation: 11*58=638, Resulting Numbers: [638] 638,24 unequal: No Solution Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,24 unequal: No Solution Moving to Node #0,3,2 Current State: 24:[61, 8], Operations: ['58-55=3', '11-3=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[58, 17], Operations: ['61-55=6', '11+6=17'] Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,24 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[61, 14], Operations: ['58-55=3', '11+3=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,24 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 58, 5, 3, 39 ]
76
[ "58+5=63", "39/3=13", "63+13=76" ]
Current State: 76:[58, 5, 3, 39], Operations: [] Exploring Operation: 58+5=63, Resulting Numbers: [3, 39, 63] Generated Node #2: [3, 39, 63] from Operation: 58+5=63 Current State: 76:[3, 39, 63], Operations: ['58+5=63'] Exploring Operation: 39/3=13, Resulting Numbers: [63, 13] Generated Node #3: [63, 13] from Operation: 39/3=13 Current State: 76:[63, 13], Operations: ['58+5=63', '39/3=13'] Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[58, 5, 3, 39], Operations: [] Exploring Operation: 58+5=63, Resulting Numbers: [3, 39, 63] Generated Node #0,0: 76:[3, 39, 63] Operation: 58+5=63 Exploring Operation: 58-39=19, Resulting Numbers: [5, 3, 19] Generated Node #0,1: 76:[5, 3, 19] Operation: 58-39=19 Moving to Node #0,1 Current State: 76:[5, 3, 19], Operations: ['58-39=19'] Exploring Operation: 5-3=2, Resulting Numbers: [19, 2] Generated Node #0,1,0: 76:[19, 2] Operation: 5-3=2 Exploring Operation: 5+3=8, Resulting Numbers: [19, 8] Generated Node #0,1,1: 76:[19, 8] Operation: 5+3=8 Moving to Node #0,0 Current State: 76:[3, 39, 63], Operations: ['58+5=63'] Exploring Operation: 63-39=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 76:[3, 24] Operation: 63-39=24 Exploring Operation: 63/3=21, Resulting Numbers: [39, 21] Generated Node #0,0,1: 76:[39, 21] Operation: 63/3=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[39, 21], Operations: ['58+5=63', '63/3=21'] Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,76 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 #0,0,0 Current State: 76:[3, 24], Operations: ['58+5=63', '63-39=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,76 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: 76:[19, 2], Operations: ['58-39=19', '5-3=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[19, 8], Operations: ['58-39=19', '5+3=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,76 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 19, 24, 64 ]
76
[ "24-19=5", "60/5=12", "64+12=76" ]
Current State: 76:[60, 19, 24, 64], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [60, 64, 5] Generated Node #2: [60, 64, 5] from Operation: 24-19=5 Current State: 76:[60, 64, 5], Operations: ['24-19=5'] Exploring Operation: 60/5=12, Resulting Numbers: [64, 12] Generated Node #3: [64, 12] from Operation: 60/5=12 Current State: 76:[64, 12], Operations: ['24-19=5', '60/5=12'] Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[60, 19, 24, 64], Operations: [] Exploring Operation: 60+19=79, Resulting Numbers: [24, 64, 79] Generated Node #0,0: 76:[24, 64, 79] Operation: 60+19=79 Exploring Operation: 64-24=40, Resulting Numbers: [60, 19, 40] Generated Node #0,1: 76:[60, 19, 40] Operation: 64-24=40 Exploring Operation: 60-24=36, Resulting Numbers: [19, 64, 36] Generated Node #0,2: 76:[19, 64, 36] Operation: 60-24=36 Exploring Operation: 64-60=4, Resulting Numbers: [19, 24, 4] Generated Node #0,3: 76:[19, 24, 4] Operation: 64-60=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[19, 24, 4], Operations: ['64-60=4'] Exploring Operation: 24/4=6, Resulting Numbers: [19, 6] Generated Node #0,3,0: 76:[19, 6] Operation: 24/4=6 Exploring Operation: 24-19=5, Resulting Numbers: [4, 5] Generated Node #0,3,1: 76:[4, 5] Operation: 24-19=5 Exploring Operation: 19+24=43, Resulting Numbers: [4, 43] Generated Node #0,3,2: 76:[4, 43] Operation: 19+24=43 Exploring Operation: 24-4=20, Resulting Numbers: [19, 20] Generated Node #0,3,3: 76:[19, 20] Operation: 24-4=20 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 76:[4, 5], Operations: ['64-60=4', '24-19=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,76 unequal: No Solution No 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: 76:[19, 20], Operations: ['64-60=4', '24-4=20'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,76 unequal: No Solution No 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: 76:[19, 6], Operations: ['64-60=4', '24/4=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,76 unequal: No Solution No 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: 76:[4, 43], Operations: ['64-60=4', '19+24=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,76 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: 76:[19, 64, 36], Operations: ['60-24=36'] Exploring Operation: 19+64=83, Resulting Numbers: [36, 83] Generated Node #0,2,0: 76:[36, 83] Operation: 19+64=83 Exploring Operation: 36-19=17, Resulting Numbers: [64, 17] Generated Node #0,2,1: 76:[64, 17] Operation: 36-19=17 Exploring Operation: 64-19=45, Resulting Numbers: [36, 45] Generated Node #0,2,2: 76:[36, 45] Operation: 64-19=45 Exploring Operation: 64-36=28, Resulting Numbers: [19, 28] Generated Node #0,2,3: 76:[19, 28] Operation: 64-36=28 Moving to Node #0,2,0 Current State: 76:[36, 83], Operations: ['60-24=36', '19+64=83'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,76 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[19, 28], Operations: ['60-24=36', '64-36=28'] Exploring Operation: 19*28=532, Resulting Numbers: [532] 532,76 unequal: No Solution Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[36, 45], Operations: ['60-24=36', '64-19=45'] Exploring Operation: 45-36=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 36*45=1620, Resulting Numbers: [1620] 1620,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[64, 17], Operations: ['60-24=36', '36-19=17'] Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 64*17=1088, Resulting Numbers: [1088] 1088,76 unequal: No Solution Exploring Operation: 64+17=81, Resulting Numbers: [81] 81,76 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 #0,1 Current State: 76:[60, 19, 40], Operations: ['64-24=40'] Exploring Operation: 60+19=79, Resulting Numbers: [40, 79] Generated Node #0,1,0: 76:[40, 79] Operation: 60+19=79 Exploring Operation: 60-40=20, Resulting Numbers: [19, 20] Generated Node #0,1,1: 76:[19, 20] Operation: 60-40=20 Exploring Operation: 60-19=41, Resulting Numbers: [40, 41] Generated Node #0,1,2: 76:[40, 41] Operation: 60-19=41 Exploring Operation: 40-19=21, Resulting Numbers: [60, 21] Generated Node #0,1,3: 76:[60, 21] Operation: 40-19=21 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[19, 20], Operations: ['64-24=40', '60-40=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,76 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,76 unequal: No Solution No 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: 76:[40, 79], Operations: ['64-24=40', '60+19=79'] Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 40+79=119, Resulting Numbers: [119] 119,76 unequal: No Solution Exploring Operation: 40*79=3160, Resulting Numbers: [3160] 3160,76 unequal: No Solution No 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: 76:[40, 41], Operations: ['64-24=40', '60-19=41'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,76 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,76 unequal: No Solution No 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: 76:[60, 21], Operations: ['64-24=40', '40-19=21'] Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,76 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: 76:[24, 64, 79], Operations: ['60+19=79'] Exploring Operation: 79-64=15, Resulting Numbers: [24, 15] Generated Node #0,0,0: 76:[24, 15] Operation: 79-64=15 Exploring Operation: 79-24=55, Resulting Numbers: [64, 55] Generated Node #0,0,1: 76:[64, 55] Operation: 79-24=55 Exploring Operation: 64-24=40, Resulting Numbers: [79, 40] Generated Node #0,0,2: 76:[79, 40] Operation: 64-24=40 Exploring Operation: 24+64=88, Resulting Numbers: [79, 88] Generated Node #0,0,3: 76:[79, 88] Operation: 24+64=88 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[79, 40], Operations: ['60+19=79', '64-24=40'] Exploring Operation: 79*40=3160, Resulting Numbers: [3160] 3160,76 unequal: No Solution Exploring Operation: 79+40=119, Resulting Numbers: [119] 119,76 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,76 unequal: No Solution No 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: 76:[24, 15], Operations: ['60+19=79', '79-64=15'] Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,76 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,76 unequal: No Solution No 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: 76:[79, 88], Operations: ['60+19=79', '24+64=88'] Exploring Operation: 79+88=167, Resulting Numbers: [167] 167,76 unequal: No Solution Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 79*88=6952, Resulting Numbers: [6952] 6952,76 unequal: No Solution No 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: 76:[64, 55], Operations: ['60+19=79', '79-24=55'] Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,76 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,76 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
[ 63, 43, 27, 10 ]
70
[ "63-43=20", "27-20=7", "10*7=70" ]
Current State: 70:[63, 43, 27, 10], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [27, 10, 20] Generated Node #2: [27, 10, 20] from Operation: 63-43=20 Current State: 70:[27, 10, 20], Operations: ['63-43=20'] Exploring Operation: 27-20=7, Resulting Numbers: [10, 7] Generated Node #3: [10, 7] from Operation: 27-20=7 Current State: 70:[10, 7], Operations: ['63-43=20', '27-20=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[63, 43, 27, 10], Operations: [] Exploring Operation: 43+27=70, Resulting Numbers: [63, 10, 70] Generated Node #0,0: 70:[63, 10, 70] Operation: 43+27=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[63, 10, 70], Operations: ['43+27=70'] Exploring Operation: 70-63=7, Resulting Numbers: [10, 7] Generated Node #0,0,0: 70:[10, 7] Operation: 70-63=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[10, 7], Operations: ['43+27=70', '70-63=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[63, 43, 27, 10], Operations: [] Exploring Operation: 43+27=70, Resulting Numbers: [63, 10, 70] Generated Node #0,0: 70:[63, 10, 70] Operation: 43+27=70 Moving to Node #0,0 Current State: 70:[63, 10, 70], Operations: ['43+27=70'] Exploring Operation: 70-63=7, Resulting Numbers: [10, 7] Generated Node #0,0,0: 70:[10, 7] Operation: 70-63=7 Moving to Node #0,0,0 Current State: 70:[10, 7], Operations: ['43+27=70', '70-63=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 9, 54, 72, 72 ]
81
[ "9+54=63", "72+72=144", "144-63=81" ]
Current State: 81:[9, 54, 72, 72], Operations: [] Exploring Operation: 9+54=63, Resulting Numbers: [72, 72, 63] Generated Node #2: [72, 72, 63] from Operation: 9+54=63 Current State: 81:[72, 72, 63], Operations: ['9+54=63'] Exploring Operation: 72+72=144, Resulting Numbers: [63, 144] Generated Node #3: [63, 144] from Operation: 72+72=144 Current State: 81:[63, 144], Operations: ['9+54=63', '72+72=144'] Exploring Operation: 144-63=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[9, 54, 72, 72], Operations: [] Exploring Operation: 72-54=18, Resulting Numbers: [9, 72, 18] Generated Node #0,0: 81:[9, 72, 18] Operation: 72-54=18 Exploring Operation: 72-54=18, Resulting Numbers: [9, 72, 18] Generated Node #0,1: 81:[9, 72, 18] Operation: 72-54=18 Moving to Node #0,0 Current State: 81:[9, 72, 18], Operations: ['72-54=18'] Exploring Operation: 9+72=81, Resulting Numbers: [18, 81] Generated Node #0,0,0: 81:[18, 81] Operation: 9+72=81 Exploring Operation: 72/18=4, Resulting Numbers: [9, 4] Generated Node #0,0,1: 81:[9, 4] Operation: 72/18=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[9, 4], Operations: ['72-54=18', '72/18=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[18, 81], Operations: ['72-54=18', '9+72=81'] Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 18+81=99, Resulting Numbers: [99] 99,81 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: 81:[9, 72, 18], Operations: ['72-54=18'] Exploring Operation: 9+72=81, Resulting Numbers: [18, 81] Generated Node #0,1,0: 81:[18, 81] Operation: 9+72=81 Exploring Operation: 72/18=4, Resulting Numbers: [9, 4] Generated Node #0,1,1: 81:[9, 4] Operation: 72/18=4 Moving to Node #0,1,1 Current State: 81:[9, 4], Operations: ['72-54=18', '72/18=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[18, 81], Operations: ['72-54=18', '9+72=81'] Exploring Operation: 18+81=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,81 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 90, 47, 20, 50 ]
83
[ "90*20=1800", "1800/50=36", "47+36=83" ]
Current State: 83:[90, 47, 20, 50], Operations: [] Exploring Operation: 90*20=1800, Resulting Numbers: [47, 50, 1800] Generated Node #2: [47, 50, 1800] from Operation: 90*20=1800 Current State: 83:[47, 50, 1800], Operations: ['90*20=1800'] Exploring Operation: 1800/50=36, Resulting Numbers: [47, 36] Generated Node #3: [47, 36] from Operation: 1800/50=36 Current State: 83:[47, 36], Operations: ['90*20=1800', '1800/50=36'] Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[90, 47, 20, 50], Operations: [] Exploring Operation: 20+50=70, Resulting Numbers: [90, 47, 70] Generated Node #0,0: 83:[90, 47, 70] Operation: 20+50=70 Exploring Operation: 47+20=67, Resulting Numbers: [90, 50, 67] Generated Node #0,1: 83:[90, 50, 67] Operation: 47+20=67 Moving to Node #0,0 Current State: 83:[90, 47, 70], Operations: ['20+50=70'] Exploring Operation: 90-47=43, Resulting Numbers: [70, 43] Generated Node #0,0,0: 83:[70, 43] Operation: 90-47=43 Exploring Operation: 47+70=117, Resulting Numbers: [90, 117] Generated Node #0,0,1: 83:[90, 117] Operation: 47+70=117 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[90, 117], Operations: ['20+50=70', '47+70=117'] Exploring Operation: 90+117=207, Resulting Numbers: [207] 207,83 unequal: No Solution Exploring Operation: 117-90=27, Resulting Numbers: [27] 27,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[70, 43], Operations: ['20+50=70', '90-47=43'] Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,83 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: 83:[90, 50, 67], Operations: ['47+20=67'] Exploring Operation: 90-50=40, Resulting Numbers: [67, 40] Generated Node #0,1,0: 83:[67, 40] Operation: 90-50=40 Exploring Operation: 50+67=117, Resulting Numbers: [90, 117] Generated Node #0,1,1: 83:[90, 117] Operation: 50+67=117 Moving to Node #0,1,1 Current State: 83:[90, 117], Operations: ['47+20=67', '50+67=117'] Exploring Operation: 90+117=207, Resulting Numbers: [207] 207,83 unequal: No Solution Exploring Operation: 117-90=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[67, 40], Operations: ['47+20=67', '90-50=40'] Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 67+40=107, Resulting Numbers: [107] 107,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 16, 16, 37, 8 ]
75
[ "16+37=53", "16*8=128", "128-53=75" ]
Current State: 75:[16, 16, 37, 8], Operations: [] Exploring Operation: 16+37=53, Resulting Numbers: [8, 53] Generated Node #2: [8, 53] from Operation: 16+37=53 Current State: 75:[8, 53], Operations: ['16+37=53'] Exploring Operation: 16*8=128, Resulting Numbers: [53, 128] Generated Node #3: [53, 128] from Operation: 16*8=128 Current State: 75:[53, 128], Operations: ['16+37=53', '16*8=128'] Exploring Operation: 128-53=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[16, 16, 37, 8], Operations: [] Exploring Operation: 37-8=29, Resulting Numbers: [16, 16, 29] Generated Node #0,0: 75:[16, 16, 29] Operation: 37-8=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[16, 16, 29], Operations: ['37-8=29'] Exploring Operation: 29-16=13, Resulting Numbers: [16, 13] Generated Node #0,0,0: 75:[16, 13] Operation: 29-16=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[16, 13], Operations: ['37-8=29', '29-16=13'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 89, 86, 25, 58 ]
65
[ "89+86=175", "175/25=7", "58+7=65" ]
Current State: 65:[89, 86, 25, 58], Operations: [] Exploring Operation: 89+86=175, Resulting Numbers: [25, 58, 175] Generated Node #2: [25, 58, 175] from Operation: 89+86=175 Current State: 65:[25, 58, 175], Operations: ['89+86=175'] Exploring Operation: 175/25=7, Resulting Numbers: [58, 7] Generated Node #3: [58, 7] from Operation: 175/25=7 Current State: 65:[58, 7], Operations: ['89+86=175', '175/25=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[89, 86, 25, 58], Operations: [] Exploring Operation: 89-25=64, Resulting Numbers: [86, 58, 64] Generated Node #0,0: 65:[86, 58, 64] Operation: 89-25=64 Exploring Operation: 89-86=3, Resulting Numbers: [25, 58, 3] Generated Node #0,1: 65:[25, 58, 3] Operation: 89-86=3 Exploring Operation: 86-25=61, Resulting Numbers: [89, 58, 61] Generated Node #0,2: 65:[89, 58, 61] Operation: 86-25=61 Moving to Node #0,1 Current State: 65:[25, 58, 3], Operations: ['89-86=3'] Exploring Operation: 25-3=22, Resulting Numbers: [58, 22] Generated Node #0,1,0: 65:[58, 22] Operation: 25-3=22 Exploring Operation: 25*3=75, Resulting Numbers: [58, 75] Generated Node #0,1,1: 65:[58, 75] Operation: 25*3=75 Exploring Operation: 58+3=61, Resulting Numbers: [25, 61] Generated Node #0,1,2: 65:[25, 61] Operation: 58+3=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[58, 22], Operations: ['89-86=3', '25-3=22'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,65 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 #0,1,2 Current State: 65:[25, 61], Operations: ['89-86=3', '58+3=61'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,65 unequal: No Solution Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,65 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 #0,1,1 Current State: 65:[58, 75], Operations: ['89-86=3', '25*3=75'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 58+75=133, Resulting Numbers: [133] 133,65 unequal: No Solution Exploring Operation: 58*75=4350, Resulting Numbers: [4350] 4350,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[86, 58, 64], Operations: ['89-25=64'] Exploring Operation: 64-58=6, Resulting Numbers: [86, 6] Generated Node #0,0,0: 65:[86, 6] Operation: 64-58=6 Exploring Operation: 86-58=28, Resulting Numbers: [64, 28] Generated Node #0,0,1: 65:[64, 28] Operation: 86-58=28 Exploring Operation: 86-64=22, Resulting Numbers: [58, 22] Generated Node #0,0,2: 65:[58, 22] Operation: 86-64=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[64, 28], Operations: ['89-25=64', '86-58=28'] Exploring Operation: 64*28=1792, Resulting Numbers: [1792] 1792,65 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 64+28=92, Resulting Numbers: [92] 92,65 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 #0,0,2 Current State: 65:[58, 22], Operations: ['89-25=64', '86-64=22'] Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,65 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,65 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 #0,0,0 Current State: 65:[86, 6], Operations: ['89-25=64', '64-58=6'] Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,65 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,65 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: 65:[89, 58, 61], Operations: ['86-25=61'] Exploring Operation: 61-58=3, Resulting Numbers: [89, 3] Generated Node #0,2,0: 65:[89, 3] Operation: 61-58=3 Exploring Operation: 89-61=28, Resulting Numbers: [58, 28] Generated Node #0,2,1: 65:[58, 28] Operation: 89-61=28 Exploring Operation: 89-58=31, Resulting Numbers: [61, 31] Generated Node #0,2,2: 65:[61, 31] Operation: 89-58=31 Moving to Node #0,2,1 Current State: 65:[58, 28], Operations: ['86-25=61', '89-61=28'] Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,65 unequal: No Solution Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[61, 31], Operations: ['86-25=61', '89-58=31'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,65 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[89, 3], Operations: ['86-25=61', '61-58=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,65 unequal: No Solution Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 89*3=267, Resulting Numbers: [267] 267,65 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 3, 16, 1, 76 ]
89
[ "16-3=13", "1*76=76", "13+76=89" ]
Current State: 89:[3, 16, 1, 76], Operations: [] Exploring Operation: 16-3=13, Resulting Numbers: [1, 76, 13] Generated Node #2: [1, 76, 13] from Operation: 16-3=13 Current State: 89:[1, 76, 13], Operations: ['16-3=13'] Exploring Operation: 1*76=76, Resulting Numbers: [13, 76] Generated Node #3: [13, 76] from Operation: 1*76=76 Current State: 89:[13, 76], Operations: ['16-3=13', '1*76=76'] Exploring Operation: 13+76=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[3, 16, 1, 76], Operations: [] Exploring Operation: 3*16=48, Resulting Numbers: [1, 76, 48] Generated Node #0,0: 89:[1, 76, 48] Operation: 3*16=48 Moving to Node #0,0 Current State: 89:[1, 76, 48], Operations: ['3*16=48'] Exploring Operation: 1+76=77, Resulting Numbers: [48, 77] Generated Node #0,0,0: 89:[48, 77] Operation: 1+76=77 Moving to Node #0,0,0 Current State: 89:[48, 77], Operations: ['3*16=48', '1+76=77'] Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,89 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 39, 22, 2, 53 ]
18
[ "39-22=17", "53-17=36", "36/2=18" ]
Current State: 18:[39, 22, 2, 53], Operations: [] Exploring Operation: 39-22=17, Resulting Numbers: [2, 53, 17] Generated Node #2: [2, 53, 17] from Operation: 39-22=17 Current State: 18:[2, 53, 17], Operations: ['39-22=17'] Exploring Operation: 53-17=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 53-17=36 Current State: 18:[2, 36], Operations: ['39-22=17', '53-17=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[39, 22, 2, 53], Operations: [] Exploring Operation: 39-2=37, Resulting Numbers: [22, 53, 37] Generated Node #0,0: 18:[22, 53, 37] Operation: 39-2=37 Exploring Operation: 53-39=14, Resulting Numbers: [22, 2, 14] Generated Node #0,1: 18:[22, 2, 14] Operation: 53-39=14 Exploring Operation: 22-2=20, Resulting Numbers: [39, 53, 20] Generated Node #0,2: 18:[39, 53, 20] Operation: 22-2=20 Exploring Operation: 53-22=31, Resulting Numbers: [39, 2, 31] Generated Node #0,3: 18:[39, 2, 31] Operation: 53-22=31 Exploring Operation: 39-22=17, Resulting Numbers: [2, 53, 17] Generated Node #0,4: 18:[2, 53, 17] Operation: 39-22=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[22, 2, 14], Operations: ['53-39=14'] Exploring Operation: 22-2=20, Resulting Numbers: [14, 20] Generated Node #0,1,0: 18:[14, 20] Operation: 22-2=20 Exploring Operation: 2+14=16, Resulting Numbers: [22, 16] Generated Node #0,1,1: 18:[22, 16] Operation: 2+14=16 Exploring Operation: 22/2=11, Resulting Numbers: [14, 11] Generated Node #0,1,2: 18:[14, 11] Operation: 22/2=11 Exploring Operation: 22-14=8, Resulting Numbers: [2, 8] Generated Node #0,1,3: 18:[2, 8] Operation: 22-14=8 Exploring Operation: 14/2=7, Resulting Numbers: [22, 7] Generated Node #0,1,4: 18:[22, 7] Operation: 14/2=7 Moving to Node #0,1,3 Current State: 18:[2, 8], Operations: ['53-39=14', '22-14=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[22, 7], Operations: ['53-39=14', '14/2=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[14, 20], Operations: ['53-39=14', '22-2=20'] Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,18 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[22, 16], Operations: ['53-39=14', '2+14=16'] Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,18 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[14, 11], Operations: ['53-39=14', '22/2=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,18 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,18 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,18 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 Current State: 18:[39, 2, 31], Operations: ['53-22=31'] Exploring Operation: 39-2=37, Resulting Numbers: [31, 37] Generated Node #0,3,0: 18:[31, 37] Operation: 39-2=37 Exploring Operation: 31-2=29, Resulting Numbers: [39, 29] Generated Node #0,3,1: 18:[39, 29] Operation: 31-2=29 Exploring Operation: 2+31=33, Resulting Numbers: [39, 33] Generated Node #0,3,2: 18:[39, 33] Operation: 2+31=33 Exploring Operation: 39-31=8, Resulting Numbers: [2, 8] Generated Node #0,3,3: 18:[2, 8] Operation: 39-31=8 Exploring Operation: 39+2=41, Resulting Numbers: [31, 41] Generated Node #0,3,4: 18:[31, 41] Operation: 39+2=41 Moving to Node #0,3,3 Current State: 18:[2, 8], Operations: ['53-22=31', '39-31=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,18 unequal: No Solution Moving to Node #0,3,1 Current State: 18:[39, 29], Operations: ['53-22=31', '31-2=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,18 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,18 unequal: No Solution Moving to Node #0,3,0 Current State: 18:[31, 37], Operations: ['53-22=31', '39-2=37'] Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,18 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,3,2 Current State: 18:[39, 33], Operations: ['53-22=31', '2+31=33'] Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,18 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,18 unequal: No Solution Moving to Node #0,3,4 Current State: 18:[31, 41], Operations: ['53-22=31', '39+2=41'] Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,18 unequal: No Solution Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,18 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 Current State: 18:[2, 53, 17], Operations: ['39-22=17'] Exploring Operation: 2+17=19, Resulting Numbers: [53, 19] Generated Node #0,4,0: 18:[53, 19] Operation: 2+17=19 Exploring Operation: 53-17=36, Resulting Numbers: [2, 36] Generated Node #0,4,1: 18:[2, 36] Operation: 53-17=36 Exploring Operation: 2+53=55, Resulting Numbers: [17, 55] Generated Node #0,4,2: 18:[17, 55] Operation: 2+53=55 Exploring Operation: 53-2=51, Resulting Numbers: [17, 51] Generated Node #0,4,3: 18:[17, 51] Operation: 53-2=51 Exploring Operation: 17-2=15, Resulting Numbers: [53, 15] Generated Node #0,4,4: 18:[53, 15] Operation: 17-2=15 Moving to Node #0,4,1 Current State: 18:[2, 36], Operations: ['39-22=17', '53-17=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[39, 22, 2, 53], Operations: [] Exploring Operation: 39-22=17, Resulting Numbers: [2, 53, 17] Generated Node #0,4: 18:[2, 53, 17] Operation: 39-22=17 Moving to Node #0,4 Current State: 18:[2, 53, 17], Operations: ['39-22=17'] Exploring Operation: 53-17=36, Resulting Numbers: [2, 36] Generated Node #0,4,1: 18:[2, 36] Operation: 53-17=36 Moving to Node #0,4,1 Current State: 18:[2, 36], Operations: ['39-22=17', '53-17=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 58, 14, 4, 78 ]
66
[ "78-58=20", "4*20=80", "80-14=66" ]
Current State: 66:[58, 14, 4, 78], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [14, 4, 20] Generated Node #2: [14, 4, 20] from Operation: 78-58=20 Current State: 66:[14, 4, 20], Operations: ['78-58=20'] Exploring Operation: 4*20=80, Resulting Numbers: [14, 80] Generated Node #3: [14, 80] from Operation: 4*20=80 Current State: 66:[14, 80], Operations: ['78-58=20', '4*20=80'] Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[58, 14, 4, 78], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [14, 4, 20] Generated Node #0,0: 66:[14, 4, 20] Operation: 78-58=20 Exploring Operation: 78-14=64, Resulting Numbers: [58, 4, 64] Generated Node #0,1: 66:[58, 4, 64] Operation: 78-14=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[14, 4, 20], Operations: ['78-58=20'] Exploring Operation: 14+20=34, Resulting Numbers: [4, 34] Generated Node #0,0,0: 66:[4, 34] Operation: 14+20=34 Exploring Operation: 20-14=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 66:[4, 6] Operation: 20-14=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[4, 6], Operations: ['78-58=20', '20-14=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,66 unequal: No Solution No 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: 66:[4, 34], Operations: ['78-58=20', '14+20=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,66 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: 66:[58, 4, 64], Operations: ['78-14=64'] Exploring Operation: 64-58=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 66:[4, 6] Operation: 64-58=6 Exploring Operation: 58+4=62, Resulting Numbers: [64, 62] Generated Node #0,1,1: 66:[64, 62] Operation: 58+4=62 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[4, 6], Operations: ['78-14=64', '64-58=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,66 unequal: No Solution No 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: 66:[64, 62], Operations: ['78-14=64', '58+4=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,66 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
[ 44, 6, 89, 18 ]
57
[ "44+6=50", "89+18=107", "107-50=57" ]
Current State: 57:[44, 6, 89, 18], Operations: [] Exploring Operation: 44+6=50, Resulting Numbers: [89, 18, 50] Generated Node #2: [89, 18, 50] from Operation: 44+6=50 Current State: 57:[89, 18, 50], Operations: ['44+6=50'] Exploring Operation: 89+18=107, Resulting Numbers: [50, 107] Generated Node #3: [50, 107] from Operation: 89+18=107 Current State: 57:[50, 107], Operations: ['44+6=50', '89+18=107'] Exploring Operation: 107-50=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[44, 6, 89, 18], Operations: [] Exploring Operation: 89-6=83, Resulting Numbers: [44, 18, 83] Generated Node #0,0: 57:[44, 18, 83] Operation: 89-6=83 Exploring Operation: 89-18=71, Resulting Numbers: [44, 6, 71] Generated Node #0,1: 57:[44, 6, 71] Operation: 89-18=71 Exploring Operation: 44+6=50, Resulting Numbers: [89, 18, 50] Generated Node #0,2: 57:[89, 18, 50] Operation: 44+6=50 Exploring Operation: 89-44=45, Resulting Numbers: [6, 18, 45] Generated Node #0,3: 57:[6, 18, 45] Operation: 89-44=45 Exploring Operation: 44+18=62, Resulting Numbers: [6, 89, 62] Generated Node #0,4: 57:[6, 89, 62] Operation: 44+18=62 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[6, 18, 45], Operations: ['89-44=45'] Exploring Operation: 18/6=3, Resulting Numbers: [45, 3] Generated Node #0,3,0: 57:[45, 3] Operation: 18/6=3 Exploring Operation: 18+45=63, Resulting Numbers: [6, 63] Generated Node #0,3,1: 57:[6, 63] Operation: 18+45=63 Exploring Operation: 6+18=24, Resulting Numbers: [45, 24] Generated Node #0,3,2: 57:[45, 24] Operation: 6+18=24 Exploring Operation: 6+45=51, Resulting Numbers: [18, 51] Generated Node #0,3,3: 57:[18, 51] Operation: 6+45=51 Exploring Operation: 45-18=27, Resulting Numbers: [6, 27] Generated Node #0,3,4: 57:[6, 27] Operation: 45-18=27 Moving to Node #0,3,3 Current State: 57:[18, 51], Operations: ['89-44=45', '6+45=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[6, 63], Operations: ['89-44=45', '18+45=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[44, 6, 89, 18], Operations: [] Exploring Operation: 89-44=45, Resulting Numbers: [6, 18, 45] Generated Node #0,3: 57:[6, 18, 45] Operation: 89-44=45 Moving to Node #0,3 Current State: 57:[6, 18, 45], Operations: ['89-44=45'] Exploring Operation: 18+45=63, Resulting Numbers: [6, 63] Generated Node #0,3,1: 57:[6, 63] Operation: 18+45=63 Moving to Node #0,3,1 Current State: 57:[6, 63], Operations: ['89-44=45', '18+45=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 52, 81, 71, 25 ]
74
[ "52-25=27", "81/27=3", "71+3=74" ]
Current State: 74:[52, 81, 71, 25], Operations: [] Exploring Operation: 52-25=27, Resulting Numbers: [81, 71, 27] Generated Node #2: [81, 71, 27] from Operation: 52-25=27 Current State: 74:[81, 71, 27], Operations: ['52-25=27'] Exploring Operation: 81/27=3, Resulting Numbers: [71, 3] Generated Node #3: [71, 3] from Operation: 81/27=3 Current State: 74:[71, 3], Operations: ['52-25=27', '81/27=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[52, 81, 71, 25], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [52, 81, 46] Generated Node #0,0: 74:[52, 81, 46] Operation: 71-25=46 Exploring Operation: 81-71=10, Resulting Numbers: [52, 25, 10] Generated Node #0,1: 74:[52, 25, 10] Operation: 81-71=10 Exploring Operation: 81-52=29, Resulting Numbers: [71, 25, 29] Generated Node #0,2: 74:[71, 25, 29] Operation: 81-52=29 Exploring Operation: 52-25=27, Resulting Numbers: [81, 71, 27] Generated Node #0,3: 74:[81, 71, 27] Operation: 52-25=27 Exploring Operation: 52+25=77, Resulting Numbers: [81, 71, 77] Generated Node #0,4: 74:[81, 71, 77] Operation: 52+25=77 Moving to Node #0,4 Current State: 74:[81, 71, 77], Operations: ['52+25=77'] Exploring Operation: 81+71=152, Resulting Numbers: [77, 152] Generated Node #0,4,0: 74:[77, 152] Operation: 81+71=152 Exploring Operation: 81-77=4, Resulting Numbers: [71, 4] Generated Node #0,4,1: 74:[71, 4] Operation: 81-77=4 Exploring Operation: 77-71=6, Resulting Numbers: [81, 6] Generated Node #0,4,2: 74:[81, 6] Operation: 77-71=6 Exploring Operation: 81-71=10, Resulting Numbers: [77, 10] Generated Node #0,4,3: 74:[77, 10] Operation: 81-71=10 Exploring Operation: 71+77=148, Resulting Numbers: [81, 148] Generated Node #0,4,4: 74:[81, 148] Operation: 71+77=148 Moving to Node #0,3 Current State: 74:[81, 71, 27], Operations: ['52-25=27'] Exploring Operation: 71+27=98, Resulting Numbers: [81, 98] Generated Node #0,3,0: 74:[81, 98] Operation: 71+27=98 Exploring Operation: 81/27=3, Resulting Numbers: [71, 3] Generated Node #0,3,1: 74:[71, 3] Operation: 81/27=3 Exploring Operation: 81-71=10, Resulting Numbers: [27, 10] Generated Node #0,3,2: 74:[27, 10] Operation: 81-71=10 Exploring Operation: 81-27=54, Resulting Numbers: [71, 54] Generated Node #0,3,3: 74:[71, 54] Operation: 81-27=54 Exploring Operation: 71-27=44, Resulting Numbers: [81, 44] Generated Node #0,3,4: 74:[81, 44] Operation: 71-27=44 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 74:[71, 3], Operations: ['52-25=27', '81/27=3'] Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,74 unequal: No Solution Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[52, 81, 71, 25], Operations: [] Exploring Operation: 52-25=27, Resulting Numbers: [81, 71, 27] Generated Node #0,3: 74:[81, 71, 27] Operation: 52-25=27 Moving to Node #0,3 Current State: 74:[81, 71, 27], Operations: ['52-25=27'] Exploring Operation: 81/27=3, Resulting Numbers: [71, 3] Generated Node #0,3,1: 74:[71, 3] Operation: 81/27=3 Moving to Node #0,3,1 Current State: 74:[71, 3], Operations: ['52-25=27', '81/27=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 97, 57, 50, 21 ]
83
[ "97+57=154", "50+21=71", "154-71=83" ]
Current State: 83:[97, 57, 50, 21], Operations: [] Exploring Operation: 97+57=154, Resulting Numbers: [50, 21, 154] Generated Node #2: [50, 21, 154] from Operation: 97+57=154 Current State: 83:[50, 21, 154], Operations: ['97+57=154'] Exploring Operation: 50+21=71, Resulting Numbers: [154, 71] Generated Node #3: [154, 71] from Operation: 50+21=71 Current State: 83:[154, 71], Operations: ['97+57=154', '50+21=71'] Exploring Operation: 154-71=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[97, 57, 50, 21], Operations: [] Exploring Operation: 57+21=78, Resulting Numbers: [97, 50, 78] Generated Node #0,0: 83:[97, 50, 78] Operation: 57+21=78 Exploring Operation: 50+21=71, Resulting Numbers: [97, 57, 71] Generated Node #0,1: 83:[97, 57, 71] Operation: 50+21=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[97, 50, 78], Operations: ['57+21=78'] Exploring Operation: 97-50=47, Resulting Numbers: [78, 47] Generated Node #0,0,0: 83:[78, 47] Operation: 97-50=47 Exploring Operation: 50+78=128, Resulting Numbers: [97, 128] Generated Node #0,0,1: 83:[97, 128] Operation: 50+78=128 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[78, 47], Operations: ['57+21=78', '97-50=47'] Exploring Operation: 78-47=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 78+47=125, Resulting Numbers: [125] 125,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[97, 128], Operations: ['57+21=78', '50+78=128'] Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[97, 57, 71], Operations: ['50+21=71'] Exploring Operation: 57+71=128, Resulting Numbers: [97, 128] Generated Node #0,1,0: 83:[97, 128] Operation: 57+71=128 Exploring Operation: 97-57=40, Resulting Numbers: [71, 40] Generated Node #0,1,1: 83:[71, 40] Operation: 97-57=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[71, 40], Operations: ['50+21=71', '97-57=40'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[97, 128], Operations: ['50+21=71', '57+71=128'] Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 20, 29, 35, 46 ]
11
[ "20+46=66", "35-29=6", "66/6=11" ]
Current State: 11:[20, 29, 35, 46], Operations: [] Exploring Operation: 20+46=66, Resulting Numbers: [29, 35, 66] Generated Node #2: [29, 35, 66] from Operation: 20+46=66 Current State: 11:[29, 35, 66], Operations: ['20+46=66'] Exploring Operation: 35-29=6, Resulting Numbers: [66, 6] Generated Node #3: [66, 6] from Operation: 35-29=6 Current State: 11:[66, 6], Operations: ['20+46=66', '35-29=6'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[20, 29, 35, 46], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [29, 46, 15] Generated Node #0,0: 11:[29, 46, 15] Operation: 35-20=15 Exploring Operation: 46-35=11, Resulting Numbers: [20, 29, 11] Generated Node #0,1: 11:[20, 29, 11] Operation: 46-35=11 Exploring Operation: 46-29=17, Resulting Numbers: [20, 35, 17] Generated Node #0,2: 11:[20, 35, 17] Operation: 46-29=17 Exploring Operation: 35-29=6, Resulting Numbers: [20, 46, 6] Generated Node #0,3: 11:[20, 46, 6] Operation: 35-29=6 Exploring Operation: 46-20=26, Resulting Numbers: [29, 35, 26] Generated Node #0,4: 11:[29, 35, 26] Operation: 46-20=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[20, 29, 11], Operations: ['46-35=11'] Exploring Operation: 20-11=9, Resulting Numbers: [29, 9] Generated Node #0,1,0: 11:[29, 9] Operation: 20-11=9 Exploring Operation: 29-20=9, Resulting Numbers: [11, 9] Generated Node #0,1,1: 11:[11, 9] Operation: 29-20=9 Exploring Operation: 20+11=31, Resulting Numbers: [29, 31] Generated Node #0,1,2: 11:[29, 31] Operation: 20+11=31 Exploring Operation: 29-11=18, Resulting Numbers: [20, 18] Generated Node #0,1,3: 11:[20, 18] Operation: 29-11=18 Exploring Operation: 20+29=49, Resulting Numbers: [11, 49] Generated Node #0,1,4: 11:[11, 49] Operation: 20+29=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[11, 9], Operations: ['46-35=11', '29-20=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,11 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:[20, 18], Operations: ['46-35=11', '29-11=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,11 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[29, 9], Operations: ['46-35=11', '20-11=9'] Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,11 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[29, 31], Operations: ['46-35=11', '20+11=31'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,11 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:[11, 49], Operations: ['46-35=11', '20+29=49'] Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,11 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 11+49=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 #0,2 Current State: 11:[20, 35, 17], Operations: ['46-29=17'] Exploring Operation: 20+17=37, Resulting Numbers: [35, 37] Generated Node #0,2,0: 11:[35, 37] Operation: 20+17=37 Exploring Operation: 35-20=15, Resulting Numbers: [17, 15] Generated Node #0,2,1: 11:[17, 15] Operation: 35-20=15 Exploring Operation: 20-17=3, Resulting Numbers: [35, 3] Generated Node #0,2,2: 11:[35, 3] Operation: 20-17=3 Exploring Operation: 35-17=18, Resulting Numbers: [20, 18] Generated Node #0,2,3: 11:[20, 18] Operation: 35-17=18 Exploring Operation: 20+35=55, Resulting Numbers: [17, 55] Generated Node #0,2,4: 11:[17, 55] Operation: 20+35=55 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[17, 15], Operations: ['46-29=17', '35-20=15'] Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,11 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,11 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:[20, 18], Operations: ['46-29=17', '35-17=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,11 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[35, 3], Operations: ['46-29=17', '20-17=3'] Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,11 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[35, 37], Operations: ['46-29=17', '20+17=37'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,11 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,11 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:[17, 55], Operations: ['46-29=17', '20+35=55'] Exploring Operation: 17*55=935, Resulting Numbers: [935] 935,11 unequal: No Solution Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,11 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:[20, 46, 6], Operations: ['35-29=6'] Exploring Operation: 46+6=52, Resulting Numbers: [20, 52] Generated Node #0,3,0: 11:[20, 52] Operation: 46+6=52 Exploring Operation: 46-6=40, Resulting Numbers: [20, 40] Generated Node #0,3,1: 11:[20, 40] Operation: 46-6=40 Exploring Operation: 20-6=14, Resulting Numbers: [46, 14] Generated Node #0,3,2: 11:[46, 14] Operation: 20-6=14 Exploring Operation: 46-20=26, Resulting Numbers: [6, 26] Generated Node #0,3,3: 11:[6, 26] Operation: 46-20=26 Exploring Operation: 20+6=26, Resulting Numbers: [46, 26] Generated Node #0,3,4: 11:[46, 26] Operation: 20+6=26 Moving to Node #0,3,3 Current State: 11:[6, 26], Operations: ['35-29=6', '46-20=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[46, 14], Operations: ['35-29=6', '20-6=14'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[20, 40], Operations: ['35-29=6', '46-6=40'] Exploring Operation: 20*40=800, Resulting Numbers: [800] 800,11 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[20, 52], Operations: ['35-29=6', '46+6=52'] Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,11 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,11 unequal: No Solution Moving to Node #0,3,4 Current State: 11:[46, 26], Operations: ['35-29=6', '20+6=26'] Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,11 unequal: No Solution Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,11 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 #0,0 Current State: 11:[29, 46, 15], Operations: ['35-20=15'] Exploring Operation: 46-15=31, Resulting Numbers: [29, 31] Generated Node #0,0,0: 11:[29, 31] Operation: 46-15=31 Exploring Operation: 46-29=17, Resulting Numbers: [15, 17] Generated Node #0,0,1: 11:[15, 17] Operation: 46-29=17 Exploring Operation: 29+15=44, Resulting Numbers: [46, 44] Generated Node #0,0,2: 11:[46, 44] Operation: 29+15=44 Exploring Operation: 29-15=14, Resulting Numbers: [46, 14] Generated Node #0,0,3: 11:[46, 14] Operation: 29-15=14 Exploring Operation: 29+46=75, Resulting Numbers: [15, 75] Generated Node #0,0,4: 11:[15, 75] Operation: 29+46=75 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[15, 17], Operations: ['35-20=15', '46-29=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,11 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[29, 31], Operations: ['35-20=15', '46-15=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 11:[46, 14], Operations: ['35-20=15', '29-15=14'] Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,11 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[46, 44], Operations: ['35-20=15', '29+15=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,11 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 11:[15, 75], Operations: ['35-20=15', '29+46=75'] Exploring Operation: 15*75=1125, Resulting Numbers: [1125] 1125,11 unequal: No Solution Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 75/15=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 15+75=90, Resulting Numbers: [90] 90,11 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:[29, 35, 26], Operations: ['46-20=26'] Exploring Operation: 35-29=6, Resulting Numbers: [26, 6] Generated Node #0,4,0: 11:[26, 6] Operation: 35-29=6 Exploring Operation: 35-26=9, Resulting Numbers: [29, 9] Generated Node #0,4,1: 11:[29, 9] Operation: 35-26=9 Exploring Operation: 29+26=55, Resulting Numbers: [35, 55] Generated Node #0,4,2: 11:[35, 55] Operation: 29+26=55 Exploring Operation: 29-26=3, Resulting Numbers: [35, 3] Generated Node #0,4,3: 11:[35, 3] Operation: 29-26=3 Exploring Operation: 29+35=64, Resulting Numbers: [26, 64] Generated Node #0,4,4: 11:[26, 64] Operation: 29+35=64 Moving to Node #0,4,0 Current State: 11:[26, 6], Operations: ['46-20=26', '35-29=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[29, 9], Operations: ['46-20=26', '35-26=9'] Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,11 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[35, 3], Operations: ['46-20=26', '29-26=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,11 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[35, 55], Operations: ['46-20=26', '29+26=55'] Exploring Operation: 35*55=1925, Resulting Numbers: [1925] 1925,11 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[26, 64], Operations: ['46-20=26', '29+35=64'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,11 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 26, 82, 90, 53 ]
93
[ "82-26=56", "90-53=37", "56+37=93" ]
Current State: 93:[26, 82, 90, 53], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [90, 53, 56] Generated Node #2: [90, 53, 56] from Operation: 82-26=56 Current State: 93:[90, 53, 56], Operations: ['82-26=56'] Exploring Operation: 90-53=37, Resulting Numbers: [56, 37] Generated Node #3: [56, 37] from Operation: 90-53=37 Current State: 93:[56, 37], Operations: ['82-26=56', '90-53=37'] Exploring Operation: 56+37=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[26, 82, 90, 53], Operations: [] Exploring Operation: 53-26=27, Resulting Numbers: [82, 90, 27] Generated Node #0,0: 93:[82, 90, 27] Operation: 53-26=27 Exploring Operation: 82-53=29, Resulting Numbers: [26, 90, 29] Generated Node #0,1: 93:[26, 90, 29] Operation: 82-53=29 Exploring Operation: 90-53=37, Resulting Numbers: [26, 82, 37] Generated Node #0,2: 93:[26, 82, 37] Operation: 90-53=37 Moving to Node #0,1 Current State: 93:[26, 90, 29], Operations: ['82-53=29'] Exploring Operation: 26+90=116, Resulting Numbers: [29, 116] Generated Node #0,1,0: 93:[29, 116] Operation: 26+90=116 Exploring Operation: 29-26=3, Resulting Numbers: [90, 3] Generated Node #0,1,1: 93:[90, 3] Operation: 29-26=3 Exploring Operation: 26+29=55, Resulting Numbers: [90, 55] Generated Node #0,1,2: 93:[90, 55] Operation: 26+29=55 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[90, 3], Operations: ['82-53=29', '29-26=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[26, 82, 90, 53], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [26, 90, 29] Generated Node #0,1: 93:[26, 90, 29] Operation: 82-53=29 Moving to Node #0,1 Current State: 93:[26, 90, 29], Operations: ['82-53=29'] Exploring Operation: 29-26=3, Resulting Numbers: [90, 3] Generated Node #0,1,1: 93:[90, 3] Operation: 29-26=3 Moving to Node #0,1,1 Current State: 93:[90, 3], Operations: ['82-53=29', '29-26=3'] Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 88, 73, 47, 52 ]
84
[ "88-73=15", "47+52=99", "99-15=84" ]
Current State: 84:[88, 73, 47, 52], Operations: [] Exploring Operation: 88-73=15, Resulting Numbers: [47, 52, 15] Generated Node #2: [47, 52, 15] from Operation: 88-73=15 Current State: 84:[47, 52, 15], Operations: ['88-73=15'] Exploring Operation: 47+52=99, Resulting Numbers: [15, 99] Generated Node #3: [15, 99] from Operation: 47+52=99 Current State: 84:[15, 99], Operations: ['88-73=15', '47+52=99'] Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[88, 73, 47, 52], Operations: [] Exploring Operation: 73-52=21, Resulting Numbers: [88, 47, 21] Generated Node #0,0: 84:[88, 47, 21] Operation: 73-52=21 Moving to Node #0,0 Current State: 84:[88, 47, 21], Operations: ['73-52=21'] Exploring Operation: 88-47=41, Resulting Numbers: [21, 41] Generated Node #0,0,0: 84:[21, 41] Operation: 88-47=41 Moving to Node #0,0,0 Current State: 84:[21, 41], Operations: ['73-52=21', '88-47=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,84 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 20, 75, 3, 92 ]
73
[ "75-20=55", "3*55=165", "165-92=73" ]
Current State: 73:[20, 75, 3, 92], Operations: [] Exploring Operation: 75-20=55, Resulting Numbers: [3, 92, 55] Generated Node #2: [3, 92, 55] from Operation: 75-20=55 Current State: 73:[3, 92, 55], Operations: ['75-20=55'] Exploring Operation: 3*55=165, Resulting Numbers: [92, 165] Generated Node #3: [92, 165] from Operation: 3*55=165 Current State: 73:[92, 165], Operations: ['75-20=55', '3*55=165'] Exploring Operation: 165-92=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[20, 75, 3, 92], Operations: [] Exploring Operation: 92-3=89, Resulting Numbers: [20, 75, 89] Generated Node #0,0: 73:[20, 75, 89] Operation: 92-3=89 Exploring Operation: 20*3=60, Resulting Numbers: [75, 92, 60] Generated Node #0,1: 73:[75, 92, 60] Operation: 20*3=60 Exploring Operation: 75-3=72, Resulting Numbers: [20, 92, 72] Generated Node #0,2: 73:[20, 92, 72] Operation: 75-3=72 Exploring Operation: 92-20=72, Resulting Numbers: [75, 3, 72] Generated Node #0,3: 73:[75, 3, 72] Operation: 92-20=72 Exploring Operation: 20+3=23, Resulting Numbers: [75, 92, 23] Generated Node #0,4: 73:[75, 92, 23] Operation: 20+3=23 Moving to Node #0,1 Current State: 73:[75, 92, 60], Operations: ['20*3=60'] Exploring Operation: 92-75=17, Resulting Numbers: [60, 17] Generated Node #0,1,0: 73:[60, 17] Operation: 92-75=17 Exploring Operation: 92-60=32, Resulting Numbers: [75, 32] Generated Node #0,1,1: 73:[75, 32] Operation: 92-60=32 Exploring Operation: 92+60=152, Resulting Numbers: [75, 152] Generated Node #0,1,2: 73:[75, 152] Operation: 92+60=152 Exploring Operation: 75-60=15, Resulting Numbers: [92, 15] Generated Node #0,1,3: 73:[92, 15] Operation: 75-60=15 Exploring Operation: 75+60=135, Resulting Numbers: [92, 135] Generated Node #0,1,4: 73:[92, 135] Operation: 75+60=135 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[75, 32], Operations: ['20*3=60', '92-60=32'] Exploring Operation: 75+32=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 75*32=2400, Resulting Numbers: [2400] 2400,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[60, 17], Operations: ['20*3=60', '92-75=17'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 60*17=1020, Resulting Numbers: [1020] 1020,73 unequal: No Solution Exploring Operation: 60+17=77, Resulting Numbers: [77] 77,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[92, 15], Operations: ['20*3=60', '75-60=15'] Exploring Operation: 92+15=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,73 unequal: No Solution Exploring Operation: 92*15=1380, Resulting Numbers: [1380] 1380,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[75, 152], Operations: ['20*3=60', '92+60=152'] Exploring Operation: 75+152=227, Resulting Numbers: [227] 227,73 unequal: No Solution Exploring Operation: 152-75=77, Resulting Numbers: [77] 77,73 unequal: No Solution Exploring Operation: 75*152=11400, Resulting Numbers: [11400] 11400,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 73:[92, 135], Operations: ['20*3=60', '75+60=135'] Exploring Operation: 92+135=227, Resulting Numbers: [227] 227,73 unequal: No Solution Exploring Operation: 92*135=12420, Resulting Numbers: [12420] 12420,73 unequal: No Solution Exploring Operation: 135-92=43, Resulting Numbers: [43] 43,73 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: 73:[75, 92, 23], Operations: ['20+3=23'] Exploring Operation: 92/23=4, Resulting Numbers: [75, 4] Generated Node #0,4,0: 73:[75, 4] Operation: 92/23=4 Exploring Operation: 75-23=52, Resulting Numbers: [92, 52] Generated Node #0,4,1: 73:[92, 52] Operation: 75-23=52 Exploring Operation: 92+23=115, Resulting Numbers: [75, 115] Generated Node #0,4,2: 73:[75, 115] Operation: 92+23=115 Exploring Operation: 92-23=69, Resulting Numbers: [75, 69] Generated Node #0,4,3: 73:[75, 69] Operation: 92-23=69 Exploring Operation: 75+23=98, Resulting Numbers: [92, 98] Generated Node #0,4,4: 73:[92, 98] Operation: 75+23=98 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 73:[75, 69], Operations: ['20+3=23', '92-23=69'] Exploring Operation: 75+69=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 75*69=5175, Resulting Numbers: [5175] 5175,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 73:[92, 52], Operations: ['20+3=23', '75-23=52'] Exploring Operation: 92+52=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 92-52=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 92*52=4784, Resulting Numbers: [4784] 4784,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[75, 115], Operations: ['20+3=23', '92+23=115'] Exploring Operation: 115-75=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 75*115=8625, Resulting Numbers: [8625] 8625,73 unequal: No Solution Exploring Operation: 75+115=190, Resulting Numbers: [190] 190,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 73:[92, 98], Operations: ['20+3=23', '75+23=98'] Exploring Operation: 98-92=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 92*98=9016, Resulting Numbers: [9016] 9016,73 unequal: No Solution Exploring Operation: 92+98=190, Resulting Numbers: [190] 190,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 73:[75, 4], Operations: ['20+3=23', '92/23=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,73 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,73 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: 73:[20, 75, 89], Operations: ['92-3=89'] Exploring Operation: 75-20=55, Resulting Numbers: [89, 55] Generated Node #0,0,0: 73:[89, 55] Operation: 75-20=55 Exploring Operation: 89-20=69, Resulting Numbers: [75, 69] Generated Node #0,0,1: 73:[75, 69] Operation: 89-20=69 Exploring Operation: 20+75=95, Resulting Numbers: [89, 95] Generated Node #0,0,2: 73:[89, 95] Operation: 20+75=95 Exploring Operation: 20+89=109, Resulting Numbers: [75, 109] Generated Node #0,0,3: 73:[75, 109] Operation: 20+89=109 Exploring Operation: 89-75=14, Resulting Numbers: [20, 14] Generated Node #0,0,4: 73:[20, 14] Operation: 89-75=14 Moving to Node #0,2 Current State: 73:[20, 92, 72], Operations: ['75-3=72'] Exploring Operation: 20+72=92, Resulting Numbers: [92, 92] Generated Node #0,2,0: 73:[92, 92] Operation: 20+72=92 Exploring Operation: 92-72=20, Resulting Numbers: [20, 20] Generated Node #0,2,1: 73:[20, 20] Operation: 92-72=20 Exploring Operation: 20+92=112, Resulting Numbers: [72, 112] Generated Node #0,2,2: 73:[72, 112] Operation: 20+92=112 Exploring Operation: 92-20=72, Resulting Numbers: [72, 72] Generated Node #0,2,3: 73:[72, 72] Operation: 92-20=72 Exploring Operation: 72-20=52, Resulting Numbers: [92, 52] Generated Node #0,2,4: 73:[92, 52] Operation: 72-20=52 Moving to Node #0,3 Current State: 73:[75, 3, 72], Operations: ['92-20=72'] Exploring Operation: 72-3=69, Resulting Numbers: [75, 69] Generated Node #0,3,0: 73:[75, 69] Operation: 72-3=69 Exploring Operation: 75+3=78, Resulting Numbers: [72, 78] Generated Node #0,3,1: 73:[72, 78] Operation: 75+3=78 Exploring Operation: 75/3=25, Resulting Numbers: [72, 25] Generated Node #0,3,2: 73:[72, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [72, 72] Generated Node #0,3,3: 73:[72, 72] Operation: 75-3=72 Exploring Operation: 3+72=75, Resulting Numbers: [75, 75] Generated Node #0,3,4: 73:[75, 75] Operation: 3+72=75 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[72, 72], Operations: ['92-20=72', '75-3=72'] Exploring Operation: 72/72=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 72-72=0, Resulting Numbers: [0] 0,73 unequal: No Solution Exploring Operation: 72+72=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 72*72=5184, Resulting Numbers: [5184] 5184,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 73:[75, 75], Operations: ['92-20=72', '3+72=75'] Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,73 unequal: No Solution Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,73 unequal: No Solution Exploring Operation: 75*75=5625, Resulting Numbers: [5625] 5625,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[75, 69], Operations: ['92-20=72', '72-3=69'] Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 75*69=5175, Resulting Numbers: [5175] 5175,73 unequal: No Solution Exploring Operation: 75+69=144, Resulting Numbers: [144] 144,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[72, 78], Operations: ['92-20=72', '75+3=78'] Exploring Operation: 72+78=150, Resulting Numbers: [150] 150,73 unequal: No Solution Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 72*78=5616, Resulting Numbers: [5616] 5616,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[72, 25], Operations: ['92-20=72', '75/3=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,73 unequal: No Solution Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 73:[72, 72], Operations: ['75-3=72', '92-20=72'] Exploring Operation: 72-72=0, Resulting Numbers: [0] 0,73 unequal: No Solution Exploring Operation: 72*72=5184, Resulting Numbers: [5184] 5184,73 unequal: No Solution Exploring Operation: 72/72=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 72+72=144, Resulting Numbers: [144] 144,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[75, 69], Operations: ['92-3=89', '89-20=69'] Exploring Operation: 75*69=5175, Resulting Numbers: [5175] 5175,73 unequal: No Solution Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 75+69=144, Resulting Numbers: [144] 144,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[89, 55], Operations: ['92-3=89', '75-20=55'] Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,73 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[92, 92], Operations: ['75-3=72', '20+72=92'] Exploring Operation: 92-92=0, Resulting Numbers: [0] 0,73 unequal: No Solution Exploring Operation: 92*92=8464, Resulting Numbers: [8464] 8464,73 unequal: No Solution Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 92+92=184, Resulting Numbers: [184] 184,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[89, 95], Operations: ['92-3=89', '20+75=95'] Exploring Operation: 95-89=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 89+95=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 89*95=8455, Resulting Numbers: [8455] 8455,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[75, 109], Operations: ['92-3=89', '20+89=109'] Exploring Operation: 75*109=8175, Resulting Numbers: [8175] 8175,73 unequal: No Solution Exploring Operation: 75+109=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 109-75=34, Resulting Numbers: [34] 34,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[92, 52], Operations: ['75-3=72', '72-20=52'] Exploring Operation: 92-52=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 92+52=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 92*52=4784, Resulting Numbers: [4784] 4784,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[72, 112], Operations: ['75-3=72', '20+92=112'] Exploring Operation: 72+112=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 72*112=8064, Resulting Numbers: [8064] 8064,73 unequal: No Solution Exploring Operation: 112-72=40, Resulting Numbers: [40] 40,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[20, 20], Operations: ['75-3=72', '92-72=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,73 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,73 unequal: No Solution Moving to Node #0,0,4 Current State: 73:[20, 14], Operations: ['92-3=89', '89-75=14'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,73 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 45, 70, 14, 11 ]
75
[ "70-45=25", "14-11=3", "25*3=75" ]
Current State: 75:[45, 70, 14, 11], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [14, 11, 25] Generated Node #2: [14, 11, 25] from Operation: 70-45=25 Current State: 75:[14, 11, 25], Operations: ['70-45=25'] Exploring Operation: 14-11=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 14-11=3 Current State: 75:[25, 3], Operations: ['70-45=25', '14-11=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[45, 70, 14, 11], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [14, 11, 25] Generated Node #0,0: 75:[14, 11, 25] Operation: 70-45=25 Moving to Node #0,0 Current State: 75:[14, 11, 25], Operations: ['70-45=25'] Exploring Operation: 14+11=25, Resulting Numbers: [25, 25] Generated Node #0,0,0: 75:[25, 25] Operation: 14+11=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[25, 25], Operations: ['70-45=25', '14+11=25'] Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 37, 49, 5, 83 ]
15
[ "37+49=86", "86-83=3", "5*3=15" ]
Current State: 15:[37, 49, 5, 83], Operations: [] Exploring Operation: 37+49=86, Resulting Numbers: [5, 83, 86] Generated Node #2: [5, 83, 86] from Operation: 37+49=86 Current State: 15:[5, 83, 86], Operations: ['37+49=86'] Exploring Operation: 86-83=3, Resulting Numbers: [5, 3] Generated Node #3: [5, 3] from Operation: 86-83=3 Current State: 15:[5, 3], Operations: ['37+49=86', '86-83=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[37, 49, 5, 83], Operations: [] Exploring Operation: 83-49=34, Resulting Numbers: [37, 5, 34] Generated Node #0,0: 15:[37, 5, 34] Operation: 83-49=34 Moving to Node #0,0 Current State: 15:[37, 5, 34], Operations: ['83-49=34'] Exploring Operation: 37-34=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['83-49=34', '37-34=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[37, 49, 5, 83], Operations: [] Exploring Operation: 83-49=34, Resulting Numbers: [37, 5, 34] Generated Node #0,0: 15:[37, 5, 34] Operation: 83-49=34 Moving to Node #0,0 Current State: 15:[37, 5, 34], Operations: ['83-49=34'] Exploring Operation: 37-34=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 37-34=3 Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['83-49=34', '37-34=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 85, 34, 85, 36 ]
31
[ "85+85=170", "170/34=5", "36-5=31" ]
Current State: 31:[85, 34, 85, 36], Operations: [] Exploring Operation: 85+85=170, Resulting Numbers: [34, 36, 170] Generated Node #2: [34, 36, 170] from Operation: 85+85=170 Current State: 31:[34, 36, 170], Operations: ['85+85=170'] Exploring Operation: 170/34=5, Resulting Numbers: [36, 5] Generated Node #3: [36, 5] from Operation: 170/34=5 Current State: 31:[36, 5], Operations: ['85+85=170', '170/34=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[85, 34, 85, 36], Operations: [] Exploring Operation: 85-85=0, Resulting Numbers: [34, 36, 0] Generated Node #0,0: 31:[34, 36, 0] Operation: 85-85=0 Exploring Operation: 85-36=49, Resulting Numbers: [34, 85, 49] Generated Node #0,1: 31:[34, 85, 49] Operation: 85-36=49 Exploring Operation: 85/85=1, Resulting Numbers: [34, 36, 1] Generated Node #0,2: 31:[34, 36, 1] Operation: 85/85=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[34, 36, 1], Operations: ['85/85=1'] Exploring Operation: 36-1=35, Resulting Numbers: [34, 35] Generated Node #0,2,0: 31:[34, 35] Operation: 36-1=35 Exploring Operation: 34*1=34, Resulting Numbers: [36, 34] Generated Node #0,2,1: 31:[36, 34] Operation: 34*1=34 Exploring Operation: 34-1=33, Resulting Numbers: [36, 33] Generated Node #0,2,2: 31:[36, 33] Operation: 34-1=33 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[34, 35], Operations: ['85/85=1', '36-1=35'] Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,31 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,31 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,31 unequal: No Solution No 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: 31:[36, 33], Operations: ['85/85=1', '34-1=33'] Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,31 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,31 unequal: No Solution No 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: 31:[36, 34], Operations: ['85/85=1', '34*1=34'] Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,31 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,31 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: 31:[34, 36, 0], Operations: ['85-85=0'] Exploring Operation: 36+0=36, Resulting Numbers: [34, 36] Generated Node #0,0,0: 31:[34, 36] Operation: 36+0=36 Exploring Operation: 34+0=34, Resulting Numbers: [36, 34] Generated Node #0,0,1: 31:[36, 34] Operation: 34+0=34 Exploring Operation: 34-0=34, Resulting Numbers: [36, 34] Generated Node #0,0,2: 31:[36, 34] Operation: 34-0=34 Moving to Node #0,0,0 Current State: 31:[34, 36], Operations: ['85-85=0', '36+0=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[36, 34], Operations: ['85-85=0', '34+0=34'] Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,31 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[36, 34], Operations: ['85-85=0', '34-0=34'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,31 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,31 unequal: No Solution No 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: 31:[34, 85, 49], Operations: ['85-36=49'] Exploring Operation: 85-49=36, Resulting Numbers: [34, 36] Generated Node #0,1,0: 31:[34, 36] Operation: 85-49=36 Exploring Operation: 49-34=15, Resulting Numbers: [85, 15] Generated Node #0,1,1: 31:[85, 15] Operation: 49-34=15 Exploring Operation: 85-34=51, Resulting Numbers: [49, 51] Generated Node #0,1,2: 31:[49, 51] Operation: 85-34=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[34, 36], Operations: ['85-36=49', '85-49=36'] Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,31 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,31 unequal: No Solution No 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: 31:[49, 51], Operations: ['85-36=49', '85-34=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 49*51=2499, Resulting Numbers: [2499] 2499,31 unequal: No Solution Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,31 unequal: No Solution No 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: 31:[85, 15], Operations: ['85-36=49', '49-34=15'] Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,31 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
[ 3, 3, 40, 14 ]
60
[ "3+3=6", "40+14=54", "6+54=60" ]
Current State: 60:[3, 3, 40, 14], Operations: [] Exploring Operation: 3+3=6, Resulting Numbers: [40, 14, 6] Generated Node #2: [40, 14, 6] from Operation: 3+3=6 Current State: 60:[40, 14, 6], Operations: ['3+3=6'] Exploring Operation: 40+14=54, Resulting Numbers: [6, 54] Generated Node #3: [6, 54] from Operation: 40+14=54 Current State: 60:[6, 54], Operations: ['3+3=6', '40+14=54'] Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[3, 3, 40, 14], Operations: [] Exploring Operation: 40+14=54, Resulting Numbers: [3, 3, 54] Generated Node #0,0: 60:[3, 3, 54] Operation: 40+14=54 Exploring Operation: 40-14=26, Resulting Numbers: [3, 3, 26] Generated Node #0,1: 60:[3, 3, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[3, 3, 26], Operations: ['40-14=26'] Exploring Operation: 3+26=29, Resulting Numbers: [3, 29] Generated Node #0,1,0: 60:[3, 29] Operation: 3+26=29 Exploring Operation: 3+26=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 60:[3, 29] Operation: 3+26=29 Moving to Node #0,1,0 Current State: 60:[3, 29], Operations: ['40-14=26', '3+26=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[3, 29], Operations: ['40-14=26', '3+26=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,60 unequal: No Solution No 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: 60:[3, 3, 54], Operations: ['40+14=54'] Exploring Operation: 54/3=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 60:[3, 18] Operation: 54/3=18 Exploring Operation: 54/3=18, Resulting Numbers: [3, 18] Generated Node #0,0,1: 60:[3, 18] Operation: 54/3=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[3, 18], Operations: ['40+14=54', '54/3=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,60 unequal: No Solution No 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: 60:[3, 18], Operations: ['40+14=54', '54/3=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,60 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
[ 66, 81, 20, 66 ]
100
[ "66/66=1", "81+20=101", "101-1=100" ]
Current State: 100:[66, 81, 20, 66], Operations: [] Exploring Operation: 66/66=1, Resulting Numbers: [81, 20, 1] Generated Node #2: [81, 20, 1] from Operation: 66/66=1 Current State: 100:[81, 20, 1], Operations: ['66/66=1'] Exploring Operation: 81+20=101, Resulting Numbers: [1, 101] Generated Node #3: [1, 101] from Operation: 81+20=101 Current State: 100:[1, 101], Operations: ['66/66=1', '81+20=101'] Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[66, 81, 20, 66], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [66, 20, 15] Generated Node #0,0: 100:[66, 20, 15] Operation: 81-66=15 Exploring Operation: 66/66=1, Resulting Numbers: [81, 20, 1] Generated Node #0,1: 100:[81, 20, 1] Operation: 66/66=1 Exploring Operation: 66-66=0, Resulting Numbers: [81, 20, 0] Generated Node #0,2: 100:[81, 20, 0] Operation: 66-66=0 Exploring Operation: 81-66=15, Resulting Numbers: [20, 66, 15] Generated Node #0,3: 100:[20, 66, 15] Operation: 81-66=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[81, 20, 1], Operations: ['66/66=1'] Exploring Operation: 81-20=61, Resulting Numbers: [1, 61] Generated Node #0,1,0: 100:[1, 61] Operation: 81-20=61 Exploring Operation: 81+1=82, Resulting Numbers: [20, 82] Generated Node #0,1,1: 100:[20, 82] Operation: 81+1=82 Exploring Operation: 81+20=101, Resulting Numbers: [1, 101] Generated Node #0,1,2: 100:[1, 101] Operation: 81+20=101 Exploring Operation: 81*1=81, Resulting Numbers: [20, 81] Generated Node #0,1,3: 100:[20, 81] Operation: 81*1=81 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[1, 101], Operations: ['66/66=1', '81+20=101'] Exploring Operation: 1*101=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 101/1=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[66, 81, 20, 66], Operations: [] Exploring Operation: 66/66=1, Resulting Numbers: [81, 20, 1] Generated Node #0,1: 100:[81, 20, 1] Operation: 66/66=1 Moving to Node #0,1 Current State: 100:[81, 20, 1], Operations: ['66/66=1'] Exploring Operation: 81+20=101, Resulting Numbers: [1, 101] Generated Node #0,1,2: 100:[1, 101] Operation: 81+20=101 Moving to Node #0,1,2 Current State: 100:[1, 101], Operations: ['66/66=1', '81+20=101'] Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 88, 6, 86, 15 ]
43
[ "6*15=90", "90-88=2", "86/2=43" ]
Current State: 43:[88, 6, 86, 15], Operations: [] Exploring Operation: 6*15=90, Resulting Numbers: [88, 86, 90] Generated Node #2: [88, 86, 90] from Operation: 6*15=90 Current State: 43:[88, 86, 90], Operations: ['6*15=90'] Exploring Operation: 90-88=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 90-88=2 Current State: 43:[86, 2], Operations: ['6*15=90', '90-88=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[88, 6, 86, 15], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [6, 15, 2] Generated Node #0,0: 43:[6, 15, 2] Operation: 88-86=2 Exploring Operation: 86-6=80, Resulting Numbers: [88, 15, 80] Generated Node #0,1: 43:[88, 15, 80] Operation: 86-6=80 Exploring Operation: 88-15=73, Resulting Numbers: [6, 86, 73] Generated Node #0,2: 43:[6, 86, 73] Operation: 88-15=73 Exploring Operation: 88-6=82, Resulting Numbers: [86, 15, 82] Generated Node #0,3: 43:[86, 15, 82] Operation: 88-6=82 Moving to Node #0,0 Current State: 43:[6, 15, 2], Operations: ['88-86=2'] Exploring Operation: 15*2=30, Resulting Numbers: [6, 30] Generated Node #0,0,0: 43:[6, 30] Operation: 15*2=30 Exploring Operation: 6+2=8, Resulting Numbers: [15, 8] Generated Node #0,0,1: 43:[15, 8] Operation: 6+2=8 Exploring Operation: 6*2=12, Resulting Numbers: [15, 12] Generated Node #0,0,2: 43:[15, 12] Operation: 6*2=12 Exploring Operation: 6+15=21, Resulting Numbers: [2, 21] Generated Node #0,0,3: 43:[2, 21] Operation: 6+15=21 Moving to Node #0,2 Current State: 43:[6, 86, 73], Operations: ['88-15=73'] Exploring Operation: 86-6=80, Resulting Numbers: [73, 80] Generated Node #0,2,0: 43:[73, 80] Operation: 86-6=80 Exploring Operation: 86-73=13, Resulting Numbers: [6, 13] Generated Node #0,2,1: 43:[6, 13] Operation: 86-73=13 Exploring Operation: 6+86=92, Resulting Numbers: [73, 92] Generated Node #0,2,2: 43:[73, 92] Operation: 6+86=92 Exploring Operation: 73-6=67, Resulting Numbers: [86, 67] Generated Node #0,2,3: 43:[86, 67] Operation: 73-6=67 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[73, 80], Operations: ['88-15=73', '86-6=80'] Exploring Operation: 73+80=153, Resulting Numbers: [153] 153,43 unequal: No Solution Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 73*80=5840, Resulting Numbers: [5840] 5840,43 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 #0,2,1 Current State: 43:[6, 13], Operations: ['88-15=73', '86-73=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,43 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,43 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 #0,2,3 Current State: 43:[86, 67], Operations: ['88-15=73', '73-6=67'] Exploring Operation: 86*67=5762, Resulting Numbers: [5762] 5762,43 unequal: No Solution Exploring Operation: 86+67=153, Resulting Numbers: [153] 153,43 unequal: No Solution Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,43 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 #0,2,2 Current State: 43:[73, 92], Operations: ['88-15=73', '6+86=92'] Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,43 unequal: No Solution Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,43 unequal: No Solution Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,43 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: 43:[88, 15, 80], Operations: ['86-6=80'] Exploring Operation: 80-15=65, Resulting Numbers: [88, 65] Generated Node #0,1,0: 43:[88, 65] Operation: 80-15=65 Exploring Operation: 88+15=103, Resulting Numbers: [80, 103] Generated Node #0,1,1: 43:[80, 103] Operation: 88+15=103 Exploring Operation: 88-15=73, Resulting Numbers: [80, 73] Generated Node #0,1,2: 43:[80, 73] Operation: 88-15=73 Exploring Operation: 88-80=8, Resulting Numbers: [15, 8] Generated Node #0,1,3: 43:[15, 8] Operation: 88-80=8 Moving to Node #0,3 Current State: 43:[86, 15, 82], Operations: ['88-6=82'] Exploring Operation: 86-82=4, Resulting Numbers: [15, 4] Generated Node #0,3,0: 43:[15, 4] Operation: 86-82=4 Exploring Operation: 86-15=71, Resulting Numbers: [82, 71] Generated Node #0,3,1: 43:[82, 71] Operation: 86-15=71 Exploring Operation: 82-15=67, Resulting Numbers: [86, 67] Generated Node #0,3,2: 43:[86, 67] Operation: 82-15=67 Exploring Operation: 86+15=101, Resulting Numbers: [82, 101] Generated Node #0,3,3: 43:[82, 101] Operation: 86+15=101 Moving to Node #0,0,0 Current State: 43:[6, 30], Operations: ['88-86=2', '15*2=30'] Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,43 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,43 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[15, 12], Operations: ['88-86=2', '6*2=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,43 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[15, 8], Operations: ['88-86=2', '6+2=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,43 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[15, 8], Operations: ['86-6=80', '88-80=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,43 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[2, 21], Operations: ['88-86=2', '6+15=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,43 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[80, 73], Operations: ['86-6=80', '88-15=73'] Exploring Operation: 80*73=5840, Resulting Numbers: [5840] 5840,43 unequal: No Solution Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 80+73=153, Resulting Numbers: [153] 153,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[88, 65], Operations: ['86-6=80', '80-15=65'] Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 88*65=5720, Resulting Numbers: [5720] 5720,43 unequal: No Solution Exploring Operation: 88+65=153, Resulting Numbers: [153] 153,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[86, 67], Operations: ['88-6=82', '82-15=67'] Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,43 unequal: No Solution Exploring Operation: 86*67=5762, Resulting Numbers: [5762] 5762,43 unequal: No Solution Exploring Operation: 86+67=153, Resulting Numbers: [153] 153,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[82, 71], Operations: ['88-6=82', '86-15=71'] Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 82+71=153, Resulting Numbers: [153] 153,43 unequal: No Solution Exploring Operation: 82*71=5822, Resulting Numbers: [5822] 5822,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[15, 4], Operations: ['88-6=82', '86-82=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[82, 101], Operations: ['88-6=82', '86+15=101'] Exploring Operation: 82+101=183, Resulting Numbers: [183] 183,43 unequal: No Solution Exploring Operation: 82*101=8282, Resulting Numbers: [8282] 8282,43 unequal: No Solution Exploring Operation: 101-82=19, Resulting Numbers: [19] 19,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[80, 103], Operations: ['86-6=80', '88+15=103'] Exploring Operation: 103-80=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 80+103=183, Resulting Numbers: [183] 183,43 unequal: No Solution Exploring Operation: 80*103=8240, Resulting Numbers: [8240] 8240,43 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 13, 21, 6, 16 ]
45
[ "16-13=3", "21-6=15", "3*15=45" ]
Current State: 45:[13, 21, 6, 16], Operations: [] Exploring Operation: 16-13=3, Resulting Numbers: [21, 6, 3] Generated Node #2: [21, 6, 3] from Operation: 16-13=3 Current State: 45:[21, 6, 3], Operations: ['16-13=3'] Exploring Operation: 21-6=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 21-6=15 Current State: 45:[3, 15], Operations: ['16-13=3', '21-6=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[13, 21, 6, 16], Operations: [] Exploring Operation: 21-13=8, Resulting Numbers: [6, 16, 8] Generated Node #0,0: 45:[6, 16, 8] Operation: 21-13=8 Moving to Node #0,0 Current State: 45:[6, 16, 8], Operations: ['21-13=8'] Exploring Operation: 16-6=10, Resulting Numbers: [8, 10] Generated Node #0,0,0: 45:[8, 10] Operation: 16-6=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[8, 10], Operations: ['21-13=8', '16-6=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,45 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
[ 50, 25, 40, 52 ]
30
[ "52-50=2", "40-25=15", "2*15=30" ]
Current State: 30:[50, 25, 40, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [25, 40, 2] Generated Node #2: [25, 40, 2] from Operation: 52-50=2 Current State: 30:[25, 40, 2], Operations: ['52-50=2'] Exploring Operation: 40-25=15, Resulting Numbers: [2, 15] Generated Node #3: [2, 15] from Operation: 40-25=15 Current State: 30:[2, 15], Operations: ['52-50=2', '40-25=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[50, 25, 40, 52], Operations: [] Exploring Operation: 50-40=10, Resulting Numbers: [25, 52, 10] Generated Node #0,0: 30:[25, 52, 10] Operation: 50-40=10 Exploring Operation: 52-40=12, Resulting Numbers: [50, 25, 12] Generated Node #0,1: 30:[50, 25, 12] Operation: 52-40=12 Exploring Operation: 52-50=2, Resulting Numbers: [25, 40, 2] Generated Node #0,2: 30:[25, 40, 2] Operation: 52-50=2 Exploring Operation: 50/25=2, Resulting Numbers: [40, 52, 2] Generated Node #0,3: 30:[40, 52, 2] Operation: 50/25=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[25, 40, 2], Operations: ['52-50=2'] Exploring Operation: 40-2=38, Resulting Numbers: [25, 38] Generated Node #0,2,0: 30:[25, 38] Operation: 40-2=38 Exploring Operation: 40-25=15, Resulting Numbers: [2, 15] Generated Node #0,2,1: 30:[2, 15] Operation: 40-25=15 Exploring Operation: 40/2=20, Resulting Numbers: [25, 20] Generated Node #0,2,2: 30:[25, 20] Operation: 40/2=20 Exploring Operation: 25+2=27, Resulting Numbers: [40, 27] Generated Node #0,2,3: 30:[40, 27] Operation: 25+2=27 Moving to Node #0,2,1 Current State: 30:[2, 15], Operations: ['52-50=2', '40-25=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[50, 25, 40, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [25, 40, 2] Generated Node #0,2: 30:[25, 40, 2] Operation: 52-50=2 Moving to Node #0,2 Current State: 30:[25, 40, 2], Operations: ['52-50=2'] Exploring Operation: 40-25=15, Resulting Numbers: [2, 15] Generated Node #0,2,1: 30:[2, 15] Operation: 40-25=15 Moving to Node #0,2,1 Current State: 30:[2, 15], Operations: ['52-50=2', '40-25=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 58, 41, 65, 62 ]
59
[ "58+65=123", "123/41=3", "62-3=59" ]
Current State: 59:[58, 41, 65, 62], Operations: [] Exploring Operation: 58+65=123, Resulting Numbers: [41, 62, 123] Generated Node #2: [41, 62, 123] from Operation: 58+65=123 Current State: 59:[41, 62, 123], Operations: ['58+65=123'] Exploring Operation: 123/41=3, Resulting Numbers: [62, 3] Generated Node #3: [62, 3] from Operation: 123/41=3 Current State: 59:[62, 3], Operations: ['58+65=123', '123/41=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[58, 41, 65, 62], Operations: [] Exploring Operation: 65-41=24, Resulting Numbers: [58, 62, 24] Generated Node #0,0: 59:[58, 62, 24] Operation: 65-41=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[58, 62, 24], Operations: ['65-41=24'] Exploring Operation: 62-24=38, Resulting Numbers: [58, 38] Generated Node #0,0,0: 59:[58, 38] Operation: 62-24=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[58, 38], Operations: ['65-41=24', '62-24=38'] Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 50, 91, 9, 63 ]
69
[ "50+91=141", "9+63=72", "141-72=69" ]
Current State: 69:[50, 91, 9, 63], Operations: [] Exploring Operation: 50+91=141, Resulting Numbers: [9, 63, 141] Generated Node #2: [9, 63, 141] from Operation: 50+91=141 Current State: 69:[9, 63, 141], Operations: ['50+91=141'] Exploring Operation: 9+63=72, Resulting Numbers: [141, 72] Generated Node #3: [141, 72] from Operation: 9+63=72 Current State: 69:[141, 72], Operations: ['50+91=141', '9+63=72'] Exploring Operation: 141-72=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[50, 91, 9, 63], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [9, 63, 41] Generated Node #0,0: 69:[9, 63, 41] Operation: 91-50=41 Moving to Node #0,0 Current State: 69:[9, 63, 41], Operations: ['91-50=41'] Exploring Operation: 63-41=22, Resulting Numbers: [9, 22] Generated Node #0,0,0: 69:[9, 22] Operation: 63-41=22 Moving to Node #0,0,0 Current State: 69:[9, 22], Operations: ['91-50=41', '63-41=22'] Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,69 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 81, 2, 98, 81 ]
48
[ "81/81=1", "98/2=49", "49-1=48" ]
Current State: 48:[81, 2, 98, 81], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [2, 98, 1] Generated Node #2: [2, 98, 1] from Operation: 81/81=1 Current State: 48:[2, 98, 1], Operations: ['81/81=1'] Exploring Operation: 98/2=49, Resulting Numbers: [1, 49] Generated Node #3: [1, 49] from Operation: 98/2=49 Current State: 48:[1, 49], Operations: ['81/81=1', '98/2=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[81, 2, 98, 81], Operations: [] Exploring Operation: 98-81=17, Resulting Numbers: [2, 81, 17] Generated Node #0,0: 48:[2, 81, 17] Operation: 98-81=17 Moving to Node #0,0 Current State: 48:[2, 81, 17], Operations: ['98-81=17'] Exploring Operation: 81-17=64, Resulting Numbers: [2, 64] Generated Node #0,0,0: 48:[2, 64] Operation: 81-17=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[2, 64], Operations: ['98-81=17', '81-17=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,48 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