Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 7, 10, 41, 28 ]
10
[ "10-7=3", "41-28=13", "13-3=10" ]
Current State: 10:[7, 10, 41, 28], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [41, 28, 3] Generated Node #2: [41, 28, 3] from Operation: 10-7=3 Current State: 10:[41, 28, 3], Operations: ['10-7=3'] Exploring Operation: 41-28=13, Resulting Numbers: [3, 13] Generated Node #3: [3, 13] from Operation: 41-28=13 Current State: 10:[3, 13], Operations: ['10-7=3', '41-28=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[7, 10, 41, 28], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [10, 41, 4] Generated Node #0,0: 10:[10, 41, 4] Operation: 28/7=4 Exploring Operation: 41-10=31, Resulting Numbers: [7, 28, 31] Generated Node #0,1: 10:[7, 28, 31] Operation: 41-10=31 Exploring Operation: 41-28=13, Resulting Numbers: [7, 10, 13] Generated Node #0,2: 10:[7, 10, 13] Operation: 41-28=13 Exploring Operation: 28-10=18, Resulting Numbers: [7, 41, 18] Generated Node #0,3: 10:[7, 41, 18] Operation: 28-10=18 Moving to Node #0,2 Current State: 10:[7, 10, 13], Operations: ['41-28=13'] Exploring Operation: 7+10=17, Resulting Numbers: [13, 17] Generated Node #0,2,0: 10:[13, 17] Operation: 7+10=17 Exploring Operation: 13-7=6, Resulting Numbers: [10, 6] Generated Node #0,2,1: 10:[10, 6] Operation: 13-7=6 Exploring Operation: 10-7=3, Resulting Numbers: [13, 3] Generated Node #0,2,2: 10:[13, 3] Operation: 10-7=3 Exploring Operation: 13-10=3, Resulting Numbers: [7, 3] Generated Node #0,2,3: 10:[7, 3] Operation: 13-10=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[10, 6], Operations: ['41-28=13', '13-7=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[7, 3], Operations: ['41-28=13', '13-10=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[7, 10, 41, 28], Operations: [] Exploring Operation: 41-28=13, Resulting Numbers: [7, 10, 13] Generated Node #0,2: 10:[7, 10, 13] Operation: 41-28=13 Moving to Node #0,2 Current State: 10:[7, 10, 13], Operations: ['41-28=13'] Exploring Operation: 13-10=3, Resulting Numbers: [7, 3] Generated Node #0,2,3: 10:[7, 3] Operation: 13-10=3 Moving to Node #0,2,3 Current State: 10:[7, 3], Operations: ['41-28=13', '13-10=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 35, 68, 20, 78 ]
65
[ "68-35=33", "20+78=98", "98-33=65" ]
Current State: 65:[35, 68, 20, 78], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [20, 78, 33] Generated Node #2: [20, 78, 33] from Operation: 68-35=33 Current State: 65:[20, 78, 33], Operations: ['68-35=33'] Exploring Operation: 20+78=98, Resulting Numbers: [33, 98] Generated Node #3: [33, 98] from Operation: 20+78=98 Current State: 65:[33, 98], Operations: ['68-35=33', '20+78=98'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[35, 68, 20, 78], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [68, 78, 15] Generated Node #0,0: 65:[68, 78, 15] Operation: 35-20=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[68, 78, 15], Operations: ['35-20=15'] Exploring Operation: 78-68=10, Resulting Numbers: [15, 10] Generated Node #0,0,0: 65:[15, 10] Operation: 78-68=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[15, 10], Operations: ['35-20=15', '78-68=10'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 77, 37, 61, 34 ]
87
[ "77+37=114", "61-34=27", "114-27=87" ]
Current State: 87:[77, 37, 61, 34], Operations: [] Exploring Operation: 77+37=114, Resulting Numbers: [61, 34, 114] Generated Node #2: [61, 34, 114] from Operation: 77+37=114 Current State: 87:[61, 34, 114], Operations: ['77+37=114'] Exploring Operation: 61-34=27, Resulting Numbers: [114, 27] Generated Node #3: [114, 27] from Operation: 61-34=27 Current State: 87:[114, 27], Operations: ['77+37=114', '61-34=27'] Exploring Operation: 114-27=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[77, 37, 61, 34], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [77, 34, 24] Generated Node #0,0: 87:[77, 34, 24] Operation: 61-37=24 Exploring Operation: 61-34=27, Resulting Numbers: [77, 37, 27] Generated Node #0,1: 87:[77, 37, 27] Operation: 61-34=27 Exploring Operation: 77-61=16, Resulting Numbers: [37, 34, 16] Generated Node #0,2: 87:[37, 34, 16] Operation: 77-61=16 Moving to Node #0,0 Current State: 87:[77, 34, 24], Operations: ['61-37=24'] Exploring Operation: 77+24=101, Resulting Numbers: [34, 101] Generated Node #0,0,0: 87:[34, 101] Operation: 77+24=101 Exploring Operation: 34-24=10, Resulting Numbers: [77, 10] Generated Node #0,0,1: 87:[77, 10] Operation: 34-24=10 Exploring Operation: 77-34=43, Resulting Numbers: [24, 43] Generated Node #0,0,2: 87:[24, 43] Operation: 77-34=43 Moving to Node #0,1 Current State: 87:[77, 37, 27], Operations: ['61-34=27'] Exploring Operation: 77-37=40, Resulting Numbers: [27, 40] Generated Node #0,1,0: 87:[27, 40] Operation: 77-37=40 Exploring Operation: 37-27=10, Resulting Numbers: [77, 10] Generated Node #0,1,1: 87:[77, 10] Operation: 37-27=10 Exploring Operation: 77+27=104, Resulting Numbers: [37, 104] Generated Node #0,1,2: 87:[37, 104] Operation: 77+27=104 Moving to Node #0,2 Current State: 87:[37, 34, 16], Operations: ['77-61=16'] Exploring Operation: 37-34=3, Resulting Numbers: [16, 3] Generated Node #0,2,0: 87:[16, 3] Operation: 37-34=3 Exploring Operation: 37-16=21, Resulting Numbers: [34, 21] Generated Node #0,2,1: 87:[34, 21] Operation: 37-16=21 Exploring Operation: 34-16=18, Resulting Numbers: [37, 18] Generated Node #0,2,2: 87:[37, 18] Operation: 34-16=18 Moving to Node #0,1,0 Current State: 87:[27, 40], Operations: ['61-34=27', '77-37=40'] Exploring Operation: 27*40=1080, Resulting Numbers: [1080] 1080,87 unequal: No Solution Exploring Operation: 27+40=67, Resulting Numbers: [67] 67,87 unequal: No Solution Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[16, 3], Operations: ['77-61=16', '37-34=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,87 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[34, 21], Operations: ['77-61=16', '37-16=21'] Exploring Operation: 34+21=55, Resulting Numbers: [55] 55,87 unequal: No Solution Exploring Operation: 34*21=714, Resulting Numbers: [714] 714,87 unequal: No Solution Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[77, 10], Operations: ['61-34=27', '37-27=10'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,87 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[77, 37, 61, 34], Operations: [] Exploring Operation: 61-34=27, Resulting Numbers: [77, 37, 27] Generated Node #0,1: 87:[77, 37, 27] Operation: 61-34=27 Moving to Node #0,1 Current State: 87:[77, 37, 27], Operations: ['61-34=27'] Exploring Operation: 37-27=10, Resulting Numbers: [77, 10] Generated Node #0,1,1: 87:[77, 10] Operation: 37-27=10 Moving to Node #0,1,1 Current State: 87:[77, 10], Operations: ['61-34=27', '37-27=10'] Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 10, 3, 7, 57 ]
16
[ "10*7=70", "57-3=54", "70-54=16" ]
Current State: 16:[10, 3, 7, 57], Operations: [] Exploring Operation: 10*7=70, Resulting Numbers: [3, 57, 70] Generated Node #2: [3, 57, 70] from Operation: 10*7=70 Current State: 16:[3, 57, 70], Operations: ['10*7=70'] Exploring Operation: 57-3=54, Resulting Numbers: [70, 54] Generated Node #3: [70, 54] from Operation: 57-3=54 Current State: 16:[70, 54], Operations: ['10*7=70', '57-3=54'] Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[10, 3, 7, 57], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [10, 7, 19] Generated Node #0,0: 16:[10, 7, 19] Operation: 57/3=19 Exploring Operation: 57-10=47, Resulting Numbers: [3, 7, 47] Generated Node #0,1: 16:[3, 7, 47] Operation: 57-10=47 Exploring Operation: 57-7=50, Resulting Numbers: [10, 3, 50] Generated Node #0,2: 16:[10, 3, 50] Operation: 57-7=50 Moving to Node #0,0 Current State: 16:[10, 7, 19], Operations: ['57/3=19'] Exploring Operation: 19-10=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 16:[7, 9] Operation: 19-10=9 Exploring Operation: 10+7=17, Resulting Numbers: [19, 17] Generated Node #0,0,1: 16:[19, 17] Operation: 10+7=17 Exploring Operation: 10-7=3, Resulting Numbers: [19, 3] Generated Node #0,0,2: 16:[19, 3] Operation: 10-7=3 Moving to Node #0,1 Current State: 16:[3, 7, 47], Operations: ['57-10=47'] Exploring Operation: 47-7=40, Resulting Numbers: [3, 40] Generated Node #0,1,0: 16:[3, 40] Operation: 47-7=40 Exploring Operation: 47-3=44, Resulting Numbers: [7, 44] Generated Node #0,1,1: 16:[7, 44] Operation: 47-3=44 Exploring Operation: 7-3=4, Resulting Numbers: [47, 4] Generated Node #0,1,2: 16:[47, 4] Operation: 7-3=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[3, 40], Operations: ['57-10=47', '47-7=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[7, 44], Operations: ['57-10=47', '47-3=44'] Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,16 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[47, 4], Operations: ['57-10=47', '7-3=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,16 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: 16:[10, 3, 50], Operations: ['57-7=50'] Exploring Operation: 50-10=40, Resulting Numbers: [3, 40] Generated Node #0,2,0: 16:[3, 40] Operation: 50-10=40 Exploring Operation: 50/10=5, Resulting Numbers: [3, 5] Generated Node #0,2,1: 16:[3, 5] Operation: 50/10=5 Exploring Operation: 50-3=47, Resulting Numbers: [10, 47] Generated Node #0,2,2: 16:[10, 47] Operation: 50-3=47 Moving to Node #0,0,0 Current State: 16:[7, 9], Operations: ['57/3=19', '19-10=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[10, 3, 7, 57], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [10, 7, 19] Generated Node #0,0: 16:[10, 7, 19] Operation: 57/3=19 Moving to Node #0,0 Current State: 16:[10, 7, 19], Operations: ['57/3=19'] Exploring Operation: 19-10=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 16:[7, 9] Operation: 19-10=9 Moving to Node #0,0,0 Current State: 16:[7, 9], Operations: ['57/3=19', '19-10=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 17, 25, 81, 5 ]
27
[ "25-17=8", "8-5=3", "81/3=27" ]
Current State: 27:[17, 25, 81, 5], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [81, 5, 8] Generated Node #2: [81, 5, 8] from Operation: 25-17=8 Current State: 27:[81, 5, 8], Operations: ['25-17=8'] Exploring Operation: 8-5=3, Resulting Numbers: [81, 3] Generated Node #3: [81, 3] from Operation: 8-5=3 Current State: 27:[81, 3], Operations: ['25-17=8', '8-5=3'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 25, 81, 5], Operations: [] Exploring Operation: 17-5=12, Resulting Numbers: [25, 81, 12] Generated Node #0,0: 27:[25, 81, 12] Operation: 17-5=12 Exploring Operation: 81-25=56, Resulting Numbers: [17, 5, 56] Generated Node #0,1: 27:[17, 5, 56] Operation: 81-25=56 Exploring Operation: 81-17=64, Resulting Numbers: [25, 5, 64] Generated Node #0,2: 27:[25, 5, 64] Operation: 81-17=64 Exploring Operation: 25-17=8, Resulting Numbers: [81, 5, 8] Generated Node #0,3: 27:[81, 5, 8] Operation: 25-17=8 Moving to Node #0,1 Current State: 27:[17, 5, 56], Operations: ['81-25=56'] Exploring Operation: 17-5=12, Resulting Numbers: [56, 12] Generated Node #0,1,0: 27:[56, 12] Operation: 17-5=12 Exploring Operation: 17+5=22, Resulting Numbers: [56, 22] Generated Node #0,1,1: 27:[56, 22] Operation: 17+5=22 Exploring Operation: 56-5=51, Resulting Numbers: [17, 51] Generated Node #0,1,2: 27:[17, 51] Operation: 56-5=51 Exploring Operation: 56-17=39, Resulting Numbers: [5, 39] Generated Node #0,1,3: 27:[5, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[5, 39], Operations: ['81-25=56', '56-17=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,27 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,27 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 #0,1,0 Current State: 27:[56, 12], Operations: ['81-25=56', '17-5=12'] 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 Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,27 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 #0,1,2 Current State: 27:[17, 51], Operations: ['81-25=56', '56-5=51'] Exploring Operation: 17*51=867, Resulting Numbers: [867] 867,27 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,27 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 #0,1,1 Current State: 27:[56, 22], Operations: ['81-25=56', '17+5=22'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,27 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: 27:[25, 5, 64], Operations: ['81-17=64'] Exploring Operation: 64-5=59, Resulting Numbers: [25, 59] Generated Node #0,2,0: 27:[25, 59] Operation: 64-5=59 Exploring Operation: 25/5=5, Resulting Numbers: [64, 5] Generated Node #0,2,1: 27:[64, 5] Operation: 25/5=5 Exploring Operation: 64-25=39, Resulting Numbers: [5, 39] Generated Node #0,2,2: 27:[5, 39] Operation: 64-25=39 Exploring Operation: 25+5=30, Resulting Numbers: [64, 30] Generated Node #0,2,3: 27:[64, 30] Operation: 25+5=30 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[5, 39], Operations: ['81-17=64', '64-25=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,27 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,27 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 #0,2,0 Current State: 27:[25, 59], Operations: ['81-17=64', '64-5=59'] Exploring Operation: 25*59=1475, Resulting Numbers: [1475] 1475,27 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 25+59=84, Resulting Numbers: [84] 84,27 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 #0,2,1 Current State: 27:[64, 5], Operations: ['81-17=64', '25/5=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,27 unequal: No Solution Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,27 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 #0,2,3 Current State: 27:[64, 30], Operations: ['81-17=64', '25+5=30'] Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,27 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,27 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: 27:[81, 5, 8], Operations: ['25-17=8'] Exploring Operation: 5+8=13, Resulting Numbers: [81, 13] Generated Node #0,3,0: 27:[81, 13] Operation: 5+8=13 Exploring Operation: 81-8=73, Resulting Numbers: [5, 73] Generated Node #0,3,1: 27:[5, 73] Operation: 81-8=73 Exploring Operation: 81-5=76, Resulting Numbers: [8, 76] Generated Node #0,3,2: 27:[8, 76] Operation: 81-5=76 Exploring Operation: 8-5=3, Resulting Numbers: [81, 3] Generated Node #0,3,3: 27:[81, 3] Operation: 8-5=3 Moving to Node #0,0 Current State: 27:[25, 81, 12], Operations: ['17-5=12'] Exploring Operation: 81-12=69, Resulting Numbers: [25, 69] Generated Node #0,0,0: 27:[25, 69] Operation: 81-12=69 Exploring Operation: 81-25=56, Resulting Numbers: [12, 56] Generated Node #0,0,1: 27:[12, 56] Operation: 81-25=56 Exploring Operation: 25-12=13, Resulting Numbers: [81, 13] Generated Node #0,0,2: 27:[81, 13] Operation: 25-12=13 Exploring Operation: 25+12=37, Resulting Numbers: [81, 37] Generated Node #0,0,3: 27:[81, 37] Operation: 25+12=37 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[12, 56], Operations: ['17-5=12', '81-25=56'] Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,27 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[25, 69], Operations: ['17-5=12', '81-12=69'] Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,27 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,27 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 #0,0,2 Current State: 27:[81, 13], Operations: ['17-5=12', '25-12=13'] Exploring Operation: 81*13=1053, Resulting Numbers: [1053] 1053,27 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 81+13=94, Resulting Numbers: [94] 94,27 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 #0,0,3 Current State: 27:[81, 37], Operations: ['17-5=12', '25+12=37'] Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,27 unequal: No Solution Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,27 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 27:[5, 73], Operations: ['25-17=8', '81-8=73'] Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,27 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[8, 76], Operations: ['25-17=8', '81-5=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 8*76=608, Resulting Numbers: [608] 608,27 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[81, 3], Operations: ['25-17=8', '8-5=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[17, 25, 81, 5], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [81, 5, 8] Generated Node #0,3: 27:[81, 5, 8] Operation: 25-17=8 Moving to Node #0,3 Current State: 27:[81, 5, 8], Operations: ['25-17=8'] Exploring Operation: 8-5=3, Resulting Numbers: [81, 3] Generated Node #0,3,3: 27:[81, 3] Operation: 8-5=3 Moving to Node #0,3,3 Current State: 27:[81, 3], Operations: ['25-17=8', '8-5=3'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.939236
hs_4
sum_heuristic
[ 52, 2, 30, 20 ]
81
[ "52+2=54", "30*54=1620", "1620/20=81" ]
Current State: 81:[52, 2, 30, 20], Operations: [] Exploring Operation: 52+2=54, Resulting Numbers: [30, 20, 54] Generated Node #2: [30, 20, 54] from Operation: 52+2=54 Current State: 81:[30, 20, 54], Operations: ['52+2=54'] Exploring Operation: 30*54=1620, Resulting Numbers: [20, 1620] Generated Node #3: [20, 1620] from Operation: 30*54=1620 Current State: 81:[20, 1620], Operations: ['52+2=54', '30*54=1620'] Exploring Operation: 1620/20=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[52, 2, 30, 20], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [2, 30, 32] Generated Node #0,0: 81:[2, 30, 32] Operation: 52-20=32 Exploring Operation: 52+30=82, Resulting Numbers: [2, 20, 82] Generated Node #0,1: 81:[2, 20, 82] Operation: 52+30=82 Moving to Node #0,0 Current State: 81:[2, 30, 32], Operations: ['52-20=32'] Exploring Operation: 32-30=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 81:[2, 2] Operation: 32-30=2 Exploring Operation: 30-2=28, Resulting Numbers: [32, 28] Generated Node #0,0,1: 81:[32, 28] Operation: 30-2=28 Moving to Node #0,1 Current State: 81:[2, 20, 82], Operations: ['52+30=82'] Exploring Operation: 20/2=10, Resulting Numbers: [82, 10] Generated Node #0,1,0: 81:[82, 10] Operation: 20/2=10 Exploring Operation: 2+20=22, Resulting Numbers: [82, 22] Generated Node #0,1,1: 81:[82, 22] Operation: 2+20=22 Moving to Node #0,0,0 Current State: 81:[2, 2], Operations: ['52-20=32', '32-30=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[82, 10], Operations: ['52+30=82', '20/2=10'] Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,81 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[32, 28], Operations: ['52-20=32', '30-2=28'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[82, 22], Operations: ['52+30=82', '2+20=22'] Exploring Operation: 82-22=60, Resulting Numbers: [60] 60,81 unequal: No Solution Exploring Operation: 82+22=104, Resulting Numbers: [104] 104,81 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 40, 23, 55 ]
24
[ "40/5=8", "55-23=32", "32-8=24" ]
Current State: 24:[5, 40, 23, 55], Operations: [] Exploring Operation: 40/5=8, Resulting Numbers: [23, 55, 8] Generated Node #2: [23, 55, 8] from Operation: 40/5=8 Current State: 24:[23, 55, 8], Operations: ['40/5=8'] Exploring Operation: 55-23=32, Resulting Numbers: [8, 32] Generated Node #3: [8, 32] from Operation: 55-23=32 Current State: 24:[8, 32], Operations: ['40/5=8', '55-23=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[5, 40, 23, 55], Operations: [] Exploring Operation: 55-40=15, Resulting Numbers: [5, 23, 15] Generated Node #0,0: 24:[5, 23, 15] Operation: 55-40=15 Exploring Operation: 55/5=11, Resulting Numbers: [40, 23, 11] Generated Node #0,1: 24:[40, 23, 11] Operation: 55/5=11 Exploring Operation: 40/5=8, Resulting Numbers: [23, 55, 8] Generated Node #0,2: 24:[23, 55, 8] Operation: 40/5=8 Exploring Operation: 55-23=32, Resulting Numbers: [5, 40, 32] Generated Node #0,3: 24:[5, 40, 32] Operation: 55-23=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[5, 23, 15], Operations: ['55-40=15'] Exploring Operation: 5+15=20, Resulting Numbers: [23, 20] Generated Node #0,0,0: 24:[23, 20] Operation: 5+15=20 Exploring Operation: 15/5=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 24:[23, 3] Operation: 15/5=3 Exploring Operation: 23-15=8, Resulting Numbers: [5, 8] Generated Node #0,0,2: 24:[5, 8] Operation: 23-15=8 Exploring Operation: 15-5=10, Resulting Numbers: [23, 10] Generated Node #0,0,3: 24:[23, 10] Operation: 15-5=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[23, 3], Operations: ['55-40=15', '15/5=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 24:[5, 8], Operations: ['55-40=15', '23-15=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 24:[23, 10], Operations: ['55-40=15', '15-5=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[23, 20], Operations: ['55-40=15', '5+15=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,24 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[40, 23, 11], Operations: ['55/5=11'] Exploring Operation: 23+11=34, Resulting Numbers: [40, 34] Generated Node #0,1,0: 24:[40, 34] Operation: 23+11=34 Exploring Operation: 40-23=17, Resulting Numbers: [11, 17] Generated Node #0,1,1: 24:[11, 17] Operation: 40-23=17 Exploring Operation: 23-11=12, Resulting Numbers: [40, 12] Generated Node #0,1,2: 24:[40, 12] Operation: 23-11=12 Exploring Operation: 40-11=29, Resulting Numbers: [23, 29] Generated Node #0,1,3: 24:[23, 29] Operation: 40-11=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[11, 17], Operations: ['55/5=11', '40-23=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 24:[23, 29], Operations: ['55/5=11', '40-11=29'] Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,24 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[40, 12], Operations: ['55/5=11', '23-11=12'] Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,24 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[40, 34], Operations: ['55/5=11', '23+11=34'] Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,24 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[5, 40, 32], Operations: ['55-23=32'] Exploring Operation: 32-5=27, Resulting Numbers: [40, 27] Generated Node #0,3,0: 24:[40, 27] Operation: 32-5=27 Exploring Operation: 40/5=8, Resulting Numbers: [32, 8] Generated Node #0,3,1: 24:[32, 8] Operation: 40/5=8 Exploring Operation: 40-5=35, Resulting Numbers: [32, 35] Generated Node #0,3,2: 24:[32, 35] Operation: 40-5=35 Exploring Operation: 40-32=8, Resulting Numbers: [5, 8] Generated Node #0,3,3: 24:[5, 8] Operation: 40-32=8 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 24:[5, 8], Operations: ['55-23=32', '40-32=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 24:[32, 8], Operations: ['55-23=32', '40/5=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 32*8=256, Resulting Numbers: [256] 256,24 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[5, 40, 23, 55], Operations: [] Exploring Operation: 55-23=32, Resulting Numbers: [5, 40, 32] Generated Node #0,3: 24:[5, 40, 32] Operation: 55-23=32 Moving to Node #0,3 Current State: 24:[5, 40, 32], Operations: ['55-23=32'] Exploring Operation: 40/5=8, Resulting Numbers: [32, 8] Generated Node #0,3,1: 24:[32, 8] Operation: 40/5=8 Moving to Node #0,3,1 Current State: 24:[32, 8], Operations: ['55-23=32', '40/5=8'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 86, 11, 48, 14 ]
71
[ "86*11=946", "48+946=994", "994/14=71" ]
Current State: 71:[86, 11, 48, 14], Operations: [] Exploring Operation: 86*11=946, Resulting Numbers: [48, 14, 946] Generated Node #2: [48, 14, 946] from Operation: 86*11=946 Current State: 71:[48, 14, 946], Operations: ['86*11=946'] Exploring Operation: 48+946=994, Resulting Numbers: [14, 994] Generated Node #3: [14, 994] from Operation: 48+946=994 Current State: 71:[14, 994], Operations: ['86*11=946', '48+946=994'] Exploring Operation: 994/14=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[86, 11, 48, 14], Operations: [] Exploring Operation: 86-14=72, Resulting Numbers: [11, 48, 72] Generated Node #0,0: 71:[11, 48, 72] Operation: 86-14=72 Exploring Operation: 86-11=75, Resulting Numbers: [48, 14, 75] Generated Node #0,1: 71:[48, 14, 75] Operation: 86-11=75 Moving to Node #0,0 Current State: 71:[11, 48, 72], Operations: ['86-14=72'] Exploring Operation: 72-11=61, Resulting Numbers: [48, 61] Generated Node #0,0,0: 71:[48, 61] Operation: 72-11=61 Exploring Operation: 11+48=59, Resulting Numbers: [72, 59] Generated Node #0,0,1: 71:[72, 59] Operation: 11+48=59 Moving to Node #0,1 Current State: 71:[48, 14, 75], Operations: ['86-11=75'] Exploring Operation: 75-14=61, Resulting Numbers: [48, 61] Generated Node #0,1,0: 71:[48, 61] Operation: 75-14=61 Exploring Operation: 48+14=62, Resulting Numbers: [75, 62] Generated Node #0,1,1: 71:[75, 62] Operation: 48+14=62 Moving to Node #0,0,1 Current State: 71:[72, 59], Operations: ['86-14=72', '11+48=59'] Exploring Operation: 72+59=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[75, 62], Operations: ['86-11=75', '48+14=62'] Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[48, 61], Operations: ['86-14=72', '72-11=61'] Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[48, 61], Operations: ['86-11=75', '75-14=61'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,71 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 98, 88, 94, 39 ]
61
[ "98-94=4", "88/4=22", "39+22=61" ]
Current State: 61:[98, 88, 94, 39], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [88, 39, 4] Generated Node #2: [88, 39, 4] from Operation: 98-94=4 Current State: 61:[88, 39, 4], Operations: ['98-94=4'] Exploring Operation: 88/4=22, Resulting Numbers: [39, 22] Generated Node #3: [39, 22] from Operation: 88/4=22 Current State: 61:[39, 22], Operations: ['98-94=4', '88/4=22'] Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[98, 88, 94, 39], Operations: [] Exploring Operation: 98-39=59, Resulting Numbers: [88, 94, 59] Generated Node #0,0: 61:[88, 94, 59] Operation: 98-39=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[88, 94, 59], Operations: ['98-39=59'] Exploring Operation: 94-59=35, Resulting Numbers: [88, 35] Generated Node #0,0,0: 61:[88, 35] Operation: 94-59=35 Moving to Node #0,0,0 Current State: 61:[88, 35], Operations: ['98-39=59', '94-59=35'] Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 98, 66, 46, 10 ]
24
[ "98-66=32", "46+10=56", "56-32=24" ]
Current State: 24:[98, 66, 46, 10], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [46, 10, 32] Generated Node #2: [46, 10, 32] from Operation: 98-66=32 Current State: 24:[46, 10, 32], Operations: ['98-66=32'] Exploring Operation: 46+10=56, Resulting Numbers: [32, 56] Generated Node #3: [32, 56] from Operation: 46+10=56 Current State: 24:[32, 56], Operations: ['98-66=32', '46+10=56'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[98, 66, 46, 10], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [46, 10, 32] Generated Node #0,0: 24:[46, 10, 32] Operation: 98-66=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[46, 10, 32], Operations: ['98-66=32'] Exploring Operation: 46-32=14, Resulting Numbers: [10, 14] Generated Node #0,0,0: 24:[10, 14] Operation: 46-32=14 Moving to Node #0,0,0 Current State: 24:[10, 14], Operations: ['98-66=32', '46-32=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[98, 66, 46, 10], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [46, 10, 32] Generated Node #0,0: 24:[46, 10, 32] Operation: 98-66=32 Moving to Node #0,0 Current State: 24:[46, 10, 32], Operations: ['98-66=32'] Exploring Operation: 46-32=14, Resulting Numbers: [10, 14] Generated Node #0,0,0: 24:[10, 14] Operation: 46-32=14 Moving to Node #0,0,0 Current State: 24:[10, 14], Operations: ['98-66=32', '46-32=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 48, 51, 99, 25 ]
54
[ "51+99=150", "150/25=6", "48+6=54" ]
Current State: 54:[48, 51, 99, 25], Operations: [] Exploring Operation: 51+99=150, Resulting Numbers: [48, 25, 150] Generated Node #2: [48, 25, 150] from Operation: 51+99=150 Current State: 54:[48, 25, 150], Operations: ['51+99=150'] Exploring Operation: 150/25=6, Resulting Numbers: [48, 6] Generated Node #3: [48, 6] from Operation: 150/25=6 Current State: 54:[48, 6], Operations: ['51+99=150', '150/25=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[48, 51, 99, 25], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [48, 25, 48] Generated Node #0,0: 54:[48, 25, 48] Operation: 99-51=48 Exploring Operation: 99-48=51, Resulting Numbers: [51, 25, 51] Generated Node #0,1: 54:[51, 25, 51] Operation: 99-48=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[51, 25, 51], Operations: ['99-48=51'] Exploring Operation: 51/51=1, Resulting Numbers: [25, 1] Generated Node #0,1,0: 54:[25, 1] Operation: 51/51=1 Exploring Operation: 51-25=26, Resulting Numbers: [51, 26] Generated Node #0,1,1: 54:[51, 26] Operation: 51-25=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[25, 1], Operations: ['99-48=51', '51/51=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[51, 26], Operations: ['99-48=51', '51-25=26'] Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,54 unequal: No Solution Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,54 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: 54:[48, 25, 48], Operations: ['99-51=48'] Exploring Operation: 48-48=0, Resulting Numbers: [25, 0] Generated Node #0,0,0: 54:[25, 0] Operation: 48-48=0 Exploring Operation: 48/48=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 54:[25, 1] Operation: 48/48=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[25, 1], Operations: ['99-51=48', '48/48=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[25, 0], Operations: ['99-51=48', '48-48=0'] Exploring Operation: 25*0=0, Resulting Numbers: [0] 0,54 unequal: No Solution Exploring Operation: 25+0=25, Resulting Numbers: [25] 25,54 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
[ 99, 11, 7, 70 ]
54
[ "99/11=9", "70-7=63", "63-9=54" ]
Current State: 54:[99, 11, 7, 70], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [7, 70, 9] Generated Node #2: [7, 70, 9] from Operation: 99/11=9 Current State: 54:[7, 70, 9], Operations: ['99/11=9'] Exploring Operation: 70-7=63, Resulting Numbers: [9, 63] Generated Node #3: [9, 63] from Operation: 70-7=63 Current State: 54:[9, 63], Operations: ['99/11=9', '70-7=63'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[99, 11, 7, 70], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [7, 70, 9] Generated Node #0,0: 54:[7, 70, 9] Operation: 99/11=9 Exploring Operation: 99-70=29, Resulting Numbers: [11, 7, 29] Generated Node #0,1: 54:[11, 7, 29] Operation: 99-70=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[11, 7, 29], Operations: ['99-70=29'] Exploring Operation: 11+7=18, Resulting Numbers: [29, 18] Generated Node #0,1,0: 54:[29, 18] Operation: 11+7=18 Exploring Operation: 29-11=18, Resulting Numbers: [7, 18] Generated Node #0,1,1: 54:[7, 18] Operation: 29-11=18 Moving to Node #0,1,1 Current State: 54:[7, 18], Operations: ['99-70=29', '29-11=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[29, 18], Operations: ['99-70=29', '11+7=18'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,54 unequal: No Solution No 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: 54:[7, 70, 9], Operations: ['99/11=9'] Exploring Operation: 70/7=10, Resulting Numbers: [9, 10] Generated Node #0,0,0: 54:[9, 10] Operation: 70/7=10 Exploring Operation: 70-9=61, Resulting Numbers: [7, 61] Generated Node #0,0,1: 54:[7, 61] Operation: 70-9=61 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[9, 10], Operations: ['99/11=9', '70/7=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[7, 61], Operations: ['99/11=9', '70-9=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[99, 11, 7, 70], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [7, 70, 9] Generated Node #0,0: 54:[7, 70, 9] Operation: 99/11=9 Moving to Node #0,0 Current State: 54:[7, 70, 9], Operations: ['99/11=9'] Exploring Operation: 70-9=61, Resulting Numbers: [7, 61] Generated Node #0,0,1: 54:[7, 61] Operation: 70-9=61 Moving to Node #0,0,1 Current State: 54:[7, 61], Operations: ['99/11=9', '70-9=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 16, 12, 66, 99 ]
66
[ "16*99=1584", "1584/12=132", "132-66=66" ]
Current State: 66:[16, 12, 66, 99], Operations: [] Exploring Operation: 16*99=1584, Resulting Numbers: [12, 66, 1584] Generated Node #2: [12, 66, 1584] from Operation: 16*99=1584 Current State: 66:[12, 66, 1584], Operations: ['16*99=1584'] Exploring Operation: 1584/12=132, Resulting Numbers: [66, 132] Generated Node #3: [66, 132] from Operation: 1584/12=132 Current State: 66:[66, 132], Operations: ['16*99=1584', '1584/12=132'] Exploring Operation: 132-66=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[16, 12, 66, 99], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [16, 12, 33] Generated Node #0,0: 66:[16, 12, 33] Operation: 99-66=33 Moving to Node #0,0 Current State: 66:[16, 12, 33], Operations: ['99-66=33'] Exploring Operation: 16-12=4, Resulting Numbers: [33, 4] Generated Node #0,0,0: 66:[33, 4] Operation: 16-12=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[33, 4], Operations: ['99-66=33', '16-12=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,66 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
[ 22, 17, 1, 13 ]
66
[ "22-17=5", "13*5=65", "1+65=66" ]
Current State: 66:[22, 17, 1, 13], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [1, 13, 5] Generated Node #2: [1, 13, 5] from Operation: 22-17=5 Current State: 66:[1, 13, 5], Operations: ['22-17=5'] Exploring Operation: 13*5=65, Resulting Numbers: [1, 65] Generated Node #3: [1, 65] from Operation: 13*5=65 Current State: 66:[1, 65], Operations: ['22-17=5', '13*5=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[22, 17, 1, 13], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [1, 13, 5] Generated Node #0,0: 66:[1, 13, 5] Operation: 22-17=5 Exploring Operation: 17-13=4, Resulting Numbers: [22, 1, 4] Generated Node #0,1: 66:[22, 1, 4] Operation: 17-13=4 Moving to Node #0,1 Current State: 66:[22, 1, 4], Operations: ['17-13=4'] Exploring Operation: 22*1=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 66:[4, 22] Operation: 22*1=22 Exploring Operation: 4-1=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 66:[22, 3] Operation: 4-1=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[22, 3], Operations: ['17-13=4', '4-1=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[22, 17, 1, 13], Operations: [] Exploring Operation: 17-13=4, Resulting Numbers: [22, 1, 4] Generated Node #0,1: 66:[22, 1, 4] Operation: 17-13=4 Moving to Node #0,1 Current State: 66:[22, 1, 4], Operations: ['17-13=4'] Exploring Operation: 4-1=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 66:[22, 3] Operation: 4-1=3 Moving to Node #0,1,1 Current State: 66:[22, 3], Operations: ['17-13=4', '4-1=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 6, 35, 59, 99 ]
56
[ "6+99=105", "105/35=3", "59-3=56" ]
Current State: 56:[6, 35, 59, 99], Operations: [] Exploring Operation: 6+99=105, Resulting Numbers: [35, 59, 105] Generated Node #2: [35, 59, 105] from Operation: 6+99=105 Current State: 56:[35, 59, 105], Operations: ['6+99=105'] Exploring Operation: 105/35=3, Resulting Numbers: [59, 3] Generated Node #3: [59, 3] from Operation: 105/35=3 Current State: 56:[59, 3], Operations: ['6+99=105', '105/35=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[6, 35, 59, 99], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [59, 99, 29] Generated Node #0,0: 56:[59, 99, 29] Operation: 35-6=29 Exploring Operation: 99-59=40, Resulting Numbers: [6, 35, 40] Generated Node #0,1: 56:[6, 35, 40] Operation: 99-59=40 Exploring Operation: 99-6=93, Resulting Numbers: [35, 59, 93] Generated Node #0,2: 56:[35, 59, 93] Operation: 99-6=93 Exploring Operation: 99-35=64, Resulting Numbers: [6, 59, 64] Generated Node #0,3: 56:[6, 59, 64] Operation: 99-35=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[6, 59, 64], Operations: ['99-35=64'] Exploring Operation: 6+59=65, Resulting Numbers: [64, 65] Generated Node #0,3,0: 56:[64, 65] Operation: 6+59=65 Exploring Operation: 64-59=5, Resulting Numbers: [6, 5] Generated Node #0,3,1: 56:[6, 5] Operation: 64-59=5 Exploring Operation: 59-6=53, Resulting Numbers: [64, 53] Generated Node #0,3,2: 56:[64, 53] Operation: 59-6=53 Exploring Operation: 64-6=58, Resulting Numbers: [59, 58] Generated Node #0,3,3: 56:[59, 58] Operation: 64-6=58 Moving to Node #0,3,1 Current State: 56:[6, 5], Operations: ['99-35=64', '64-59=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[59, 58], Operations: ['99-35=64', '64-6=58'] Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,56 unequal: No Solution Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[64, 53], Operations: ['99-35=64', '59-6=53'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 64+53=117, Resulting Numbers: [117] 117,56 unequal: No Solution Exploring Operation: 64*53=3392, Resulting Numbers: [3392] 3392,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[64, 65], Operations: ['99-35=64', '6+59=65'] Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,56 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,56 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,56 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 Current State: 56:[6, 35, 40], Operations: ['99-59=40'] Exploring Operation: 40-35=5, Resulting Numbers: [6, 5] Generated Node #0,1,0: 56:[6, 5] Operation: 40-35=5 Exploring Operation: 35-6=29, Resulting Numbers: [40, 29] Generated Node #0,1,1: 56:[40, 29] Operation: 35-6=29 Exploring Operation: 6+40=46, Resulting Numbers: [35, 46] Generated Node #0,1,2: 56:[35, 46] Operation: 6+40=46 Exploring Operation: 40-6=34, Resulting Numbers: [35, 34] Generated Node #0,1,3: 56:[35, 34] Operation: 40-6=34 Moving to Node #0,1,0 Current State: 56:[6, 5], Operations: ['99-59=40', '40-35=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,56 unequal: No Solution Moving to Node #0,1,3 Current State: 56:[35, 34], Operations: ['99-59=40', '40-6=34'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,56 unequal: No Solution Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[40, 29], Operations: ['99-59=40', '35-6=29'] Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[35, 46], Operations: ['99-59=40', '6+40=46'] Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,56 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 Current State: 56:[59, 99, 29], Operations: ['35-6=29'] Exploring Operation: 59-29=30, Resulting Numbers: [99, 30] Generated Node #0,0,0: 56:[99, 30] Operation: 59-29=30 Exploring Operation: 99-29=70, Resulting Numbers: [59, 70] Generated Node #0,0,1: 56:[59, 70] Operation: 99-29=70 Exploring Operation: 59+29=88, Resulting Numbers: [99, 88] Generated Node #0,0,2: 56:[99, 88] Operation: 59+29=88 Exploring Operation: 99-59=40, Resulting Numbers: [29, 40] Generated Node #0,0,3: 56:[29, 40] Operation: 99-59=40 Moving to Node #0,0,3 Current State: 56:[29, 40], Operations: ['35-6=29', '99-59=40'] Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 29*40=1160, Resulting Numbers: [1160] 1160,56 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[59, 70], Operations: ['35-6=29', '99-29=70'] Exploring Operation: 59*70=4130, Resulting Numbers: [4130] 4130,56 unequal: No Solution Exploring Operation: 59+70=129, Resulting Numbers: [129] 129,56 unequal: No Solution Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[99, 30], Operations: ['35-6=29', '59-29=30'] Exploring Operation: 99+30=129, Resulting Numbers: [129] 129,56 unequal: No Solution Exploring Operation: 99*30=2970, Resulting Numbers: [2970] 2970,56 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[99, 88], Operations: ['35-6=29', '59+29=88'] Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 99*88=8712, Resulting Numbers: [8712] 8712,56 unequal: No Solution Exploring Operation: 99+88=187, Resulting Numbers: [187] 187,56 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 #0,2 Current State: 56:[35, 59, 93], Operations: ['99-6=93'] Exploring Operation: 93-35=58, Resulting Numbers: [59, 58] Generated Node #0,2,0: 56:[59, 58] Operation: 93-35=58 Exploring Operation: 93-59=34, Resulting Numbers: [35, 34] Generated Node #0,2,1: 56:[35, 34] Operation: 93-59=34 Exploring Operation: 59-35=24, Resulting Numbers: [93, 24] Generated Node #0,2,2: 56:[93, 24] Operation: 59-35=24 Exploring Operation: 35+59=94, Resulting Numbers: [93, 94] Generated Node #0,2,3: 56:[93, 94] Operation: 35+59=94 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[59, 58], Operations: ['99-6=93', '93-35=58'] Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,56 unequal: No Solution Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[35, 34], Operations: ['99-6=93', '93-59=34'] Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,56 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[93, 24], Operations: ['99-6=93', '59-35=24'] Exploring Operation: 93-24=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 93*24=2232, Resulting Numbers: [2232] 2232,56 unequal: No Solution Exploring Operation: 93+24=117, Resulting Numbers: [117] 117,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 56:[93, 94], Operations: ['99-6=93', '35+59=94'] Exploring Operation: 93*94=8742, Resulting Numbers: [8742] 8742,56 unequal: No Solution Exploring Operation: 93+94=187, Resulting Numbers: [187] 187,56 unequal: No Solution Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 12, 37, 91, 36 ]
57
[ "36/12=3", "91-37=54", "3+54=57" ]
Current State: 57:[12, 37, 91, 36], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [37, 91, 3] Generated Node #2: [37, 91, 3] from Operation: 36/12=3 Current State: 57:[37, 91, 3], Operations: ['36/12=3'] Exploring Operation: 91-37=54, Resulting Numbers: [3, 54] Generated Node #3: [3, 54] from Operation: 91-37=54 Current State: 57:[3, 54], Operations: ['36/12=3', '91-37=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[12, 37, 91, 36], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [12, 91, 1] Generated Node #0,0: 57:[12, 91, 1] Operation: 37-36=1 Exploring Operation: 91-37=54, Resulting Numbers: [12, 36, 54] Generated Node #0,1: 57:[12, 36, 54] Operation: 91-37=54 Exploring Operation: 91-36=55, Resulting Numbers: [12, 37, 55] Generated Node #0,2: 57:[12, 37, 55] Operation: 91-36=55 Exploring Operation: 36/12=3, Resulting Numbers: [37, 91, 3] Generated Node #0,3: 57:[37, 91, 3] Operation: 36/12=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[12, 36, 54], Operations: ['91-37=54'] Exploring Operation: 36-12=24, Resulting Numbers: [54, 24] Generated Node #0,1,0: 57:[54, 24] Operation: 36-12=24 Exploring Operation: 54-36=18, Resulting Numbers: [12, 18] Generated Node #0,1,1: 57:[12, 18] Operation: 54-36=18 Exploring Operation: 12+36=48, Resulting Numbers: [54, 48] Generated Node #0,1,2: 57:[54, 48] Operation: 12+36=48 Exploring Operation: 36/12=3, Resulting Numbers: [54, 3] Generated Node #0,1,3: 57:[54, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[54, 3], Operations: ['91-37=54', '36/12=3'] Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,57 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,57 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[12, 37, 91, 36], Operations: [] Exploring Operation: 91-37=54, Resulting Numbers: [12, 36, 54] Generated Node #0,1: 57:[12, 36, 54] Operation: 91-37=54 Moving to Node #0,1 Current State: 57:[12, 36, 54], Operations: ['91-37=54'] Exploring Operation: 36/12=3, Resulting Numbers: [54, 3] Generated Node #0,1,3: 57:[54, 3] Operation: 36/12=3 Moving to Node #0,1,3 Current State: 57:[54, 3], Operations: ['91-37=54', '36/12=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 2, 2, 59, 64 ]
52
[ "2*59=118", "2+64=66", "118-66=52" ]
Current State: 52:[2, 2, 59, 64], Operations: [] Exploring Operation: 2*59=118, Resulting Numbers: [64, 118] Generated Node #2: [64, 118] from Operation: 2*59=118 Current State: 52:[64, 118], Operations: ['2*59=118'] Exploring Operation: 2+64=66, Resulting Numbers: [118, 66] Generated Node #3: [118, 66] from Operation: 2+64=66 Current State: 52:[118, 66], Operations: ['2*59=118', '2+64=66'] Exploring Operation: 118-66=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 2, 59, 64], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [2, 2, 5] Generated Node #0,0: 52:[2, 2, 5] Operation: 64-59=5 Exploring Operation: 64/2=32, Resulting Numbers: [2, 59, 32] Generated Node #0,1: 52:[2, 59, 32] Operation: 64/2=32 Moving to Node #0,0 Current State: 52:[2, 2, 5], Operations: ['64-59=5'] Exploring Operation: 2*2=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 52:[5, 4] Operation: 2*2=4 Exploring Operation: 2+2=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 52:[5, 4] Operation: 2+2=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[5, 4], Operations: ['64-59=5', '2*2=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[5, 4], Operations: ['64-59=5', '2+2=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[2, 59, 32], Operations: ['64/2=32'] Exploring Operation: 32/2=16, Resulting Numbers: [59, 16] Generated Node #0,1,0: 52:[59, 16] Operation: 32/2=16 Exploring Operation: 59-32=27, Resulting Numbers: [2, 27] Generated Node #0,1,1: 52:[2, 27] Operation: 59-32=27 Moving to Node #0,1,1 Current State: 52:[2, 27], Operations: ['64/2=32', '59-32=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[59, 16], Operations: ['64/2=32', '32/2=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,52 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 12, 28, 3, 2 ]
45
[ "12+28=40", "3+2=5", "40+5=45" ]
Current State: 45:[12, 28, 3, 2], Operations: [] Exploring Operation: 12+28=40, Resulting Numbers: [3, 2, 40] Generated Node #2: [3, 2, 40] from Operation: 12+28=40 Current State: 45:[3, 2, 40], Operations: ['12+28=40'] Exploring Operation: 3+2=5, Resulting Numbers: [40, 5] Generated Node #3: [40, 5] from Operation: 3+2=5 Current State: 45:[40, 5], Operations: ['12+28=40', '3+2=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[12, 28, 3, 2], Operations: [] Exploring Operation: 28-12=16, Resulting Numbers: [3, 2, 16] Generated Node #0,0: 45:[3, 2, 16] Operation: 28-12=16 Exploring Operation: 28/2=14, Resulting Numbers: [12, 3, 14] Generated Node #0,1: 45:[12, 3, 14] Operation: 28/2=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[3, 2, 16], Operations: ['28-12=16'] Exploring Operation: 3+2=5, Resulting Numbers: [16, 5] Generated Node #0,0,0: 45:[16, 5] Operation: 3+2=5 Exploring Operation: 16-2=14, Resulting Numbers: [3, 14] Generated Node #0,0,1: 45:[3, 14] Operation: 16-2=14 Moving to Node #0,0,0 Current State: 45:[16, 5], Operations: ['28-12=16', '3+2=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[3, 14], Operations: ['28-12=16', '16-2=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 14-3=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 Current State: 45:[12, 3, 14], Operations: ['28/2=14'] Exploring Operation: 12+3=15, Resulting Numbers: [14, 15] Generated Node #0,1,0: 45:[14, 15] Operation: 12+3=15 Exploring Operation: 12-3=9, Resulting Numbers: [14, 9] Generated Node #0,1,1: 45:[14, 9] Operation: 12-3=9 Moving to Node #0,1,0 Current State: 45:[14, 15], Operations: ['28/2=14', '12+3=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,45 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[14, 9], Operations: ['28/2=14', '12-3=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 92, 36, 38, 12 ]
34
[ "38-36=2", "92/2=46", "46-12=34" ]
Current State: 34:[92, 36, 38, 12], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [92, 12, 2] Generated Node #2: [92, 12, 2] from Operation: 38-36=2 Current State: 34:[92, 12, 2], Operations: ['38-36=2'] Exploring Operation: 92/2=46, Resulting Numbers: [12, 46] Generated Node #3: [12, 46] from Operation: 92/2=46 Current State: 34:[12, 46], Operations: ['38-36=2', '92/2=46'] Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[92, 36, 38, 12], Operations: [] Exploring Operation: 92-38=54, Resulting Numbers: [36, 12, 54] Generated Node #0,0: 34:[36, 12, 54] Operation: 92-38=54 Moving to Node #0,0 Current State: 34:[36, 12, 54], Operations: ['92-38=54'] Exploring Operation: 54-36=18, Resulting Numbers: [12, 18] Generated Node #0,0,0: 34:[12, 18] Operation: 54-36=18 Moving to Node #0,0,0 Current State: 34:[12, 18], Operations: ['92-38=54', '54-36=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,34 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 52, 79, 47, 87 ]
13
[ "79-52=27", "87-47=40", "40-27=13" ]
Current State: 13:[52, 79, 47, 87], Operations: [] Exploring Operation: 79-52=27, Resulting Numbers: [47, 87, 27] Generated Node #2: [47, 87, 27] from Operation: 79-52=27 Current State: 13:[47, 87, 27], Operations: ['79-52=27'] Exploring Operation: 87-47=40, Resulting Numbers: [27, 40] Generated Node #3: [27, 40] from Operation: 87-47=40 Current State: 13:[27, 40], Operations: ['79-52=27', '87-47=40'] Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[52, 79, 47, 87], Operations: [] Exploring Operation: 79-52=27, Resulting Numbers: [47, 87, 27] Generated Node #0,0: 13:[47, 87, 27] Operation: 79-52=27 Exploring Operation: 87-79=8, Resulting Numbers: [52, 47, 8] Generated Node #0,1: 13:[52, 47, 8] Operation: 87-79=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[52, 47, 8], Operations: ['87-79=8'] Exploring Operation: 52-47=5, Resulting Numbers: [8, 5] Generated Node #0,1,0: 13:[8, 5] Operation: 52-47=5 Exploring Operation: 52-8=44, Resulting Numbers: [47, 44] Generated Node #0,1,1: 13:[47, 44] Operation: 52-8=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[8, 5], Operations: ['87-79=8', '52-47=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[52, 79, 47, 87], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [52, 47, 8] Generated Node #0,1: 13:[52, 47, 8] Operation: 87-79=8 Moving to Node #0,1 Current State: 13:[52, 47, 8], Operations: ['87-79=8'] Exploring Operation: 52-47=5, Resulting Numbers: [8, 5] Generated Node #0,1,0: 13:[8, 5] Operation: 52-47=5 Moving to Node #0,1,0 Current State: 13:[8, 5], Operations: ['87-79=8', '52-47=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 20, 18, 35, 46 ]
16
[ "46-18=28", "20*28=560", "560/35=16" ]
Current State: 16:[20, 18, 35, 46], Operations: [] Exploring Operation: 46-18=28, Resulting Numbers: [20, 35, 28] Generated Node #2: [20, 35, 28] from Operation: 46-18=28 Current State: 16:[20, 35, 28], Operations: ['46-18=28'] Exploring Operation: 20*28=560, Resulting Numbers: [35, 560] Generated Node #3: [35, 560] from Operation: 20*28=560 Current State: 16:[35, 560], Operations: ['46-18=28', '20*28=560'] Exploring Operation: 560/35=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[20, 18, 35, 46], Operations: [] Exploring Operation: 46-35=11, Resulting Numbers: [20, 18, 11] Generated Node #0,0: 16:[20, 18, 11] Operation: 46-35=11 Exploring Operation: 46-20=26, Resulting Numbers: [18, 35, 26] Generated Node #0,1: 16:[18, 35, 26] Operation: 46-20=26 Moving to Node #0,0 Current State: 16:[20, 18, 11], Operations: ['46-35=11'] Exploring Operation: 20-18=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 16:[11, 2] Operation: 20-18=2 Exploring Operation: 20-11=9, Resulting Numbers: [18, 9] Generated Node #0,0,1: 16:[18, 9] Operation: 20-11=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[11, 2], Operations: ['46-35=11', '20-18=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[18, 9], Operations: ['46-35=11', '20-11=9'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,16 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: 16:[18, 35, 26], Operations: ['46-20=26'] Exploring Operation: 35-26=9, Resulting Numbers: [18, 9] Generated Node #0,1,0: 16:[18, 9] Operation: 35-26=9 Exploring Operation: 35-18=17, Resulting Numbers: [26, 17] Generated Node #0,1,1: 16:[26, 17] Operation: 35-18=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[18, 9], Operations: ['46-20=26', '35-26=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[26, 17], Operations: ['46-20=26', '35-18=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 86, 35, 65, 39 ]
17
[ "86+35=121", "65+39=104", "121-104=17" ]
Current State: 17:[86, 35, 65, 39], Operations: [] Exploring Operation: 86+35=121, Resulting Numbers: [65, 39, 121] Generated Node #2: [65, 39, 121] from Operation: 86+35=121 Current State: 17:[65, 39, 121], Operations: ['86+35=121'] Exploring Operation: 65+39=104, Resulting Numbers: [121, 104] Generated Node #3: [121, 104] from Operation: 65+39=104 Current State: 17:[121, 104], Operations: ['86+35=121', '65+39=104'] Exploring Operation: 121-104=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[86, 35, 65, 39], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [35, 39, 21] Generated Node #0,0: 17:[35, 39, 21] Operation: 86-65=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[35, 39, 21], Operations: ['86-65=21'] Exploring Operation: 39-35=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 17:[21, 4] Operation: 39-35=4 Moving to Node #0,0,0 Current State: 17:[21, 4], Operations: ['86-65=21', '39-35=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[86, 35, 65, 39], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [35, 39, 21] Generated Node #0,0: 17:[35, 39, 21] Operation: 86-65=21 Moving to Node #0,0 Current State: 17:[35, 39, 21], Operations: ['86-65=21'] Exploring Operation: 39-35=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 17:[21, 4] Operation: 39-35=4 Moving to Node #0,0,0 Current State: 17:[21, 4], Operations: ['86-65=21', '39-35=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 38, 24, 73 ]
79
[ "42-38=4", "24/4=6", "73+6=79" ]
Current State: 79:[42, 38, 24, 73], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [24, 73, 4] Generated Node #2: [24, 73, 4] from Operation: 42-38=4 Current State: 79:[24, 73, 4], Operations: ['42-38=4'] Exploring Operation: 24/4=6, Resulting Numbers: [73, 6] Generated Node #3: [73, 6] from Operation: 24/4=6 Current State: 79:[73, 6], Operations: ['42-38=4', '24/4=6'] Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[42, 38, 24, 73], Operations: [] Exploring Operation: 42+38=80, Resulting Numbers: [24, 73, 80] Generated Node #0,0: 79:[24, 73, 80] Operation: 42+38=80 Exploring Operation: 38+24=62, Resulting Numbers: [42, 73, 62] Generated Node #0,1: 79:[42, 73, 62] Operation: 38+24=62 Exploring Operation: 42+24=66, Resulting Numbers: [38, 73, 66] Generated Node #0,2: 79:[38, 73, 66] Operation: 42+24=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[42, 73, 62], Operations: ['38+24=62'] Exploring Operation: 73-42=31, Resulting Numbers: [62, 31] Generated Node #0,1,0: 79:[62, 31] Operation: 73-42=31 Exploring Operation: 42+62=104, Resulting Numbers: [73, 104] Generated Node #0,1,1: 79:[73, 104] Operation: 42+62=104 Exploring Operation: 42+73=115, Resulting Numbers: [62, 115] Generated Node #0,1,2: 79:[62, 115] Operation: 42+73=115 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[73, 104], Operations: ['38+24=62', '42+62=104'] Exploring Operation: 73*104=7592, Resulting Numbers: [7592] 7592,79 unequal: No Solution Exploring Operation: 73+104=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 104-73=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[62, 115], Operations: ['38+24=62', '42+73=115'] Exploring Operation: 62*115=7130, Resulting Numbers: [7130] 7130,79 unequal: No Solution Exploring Operation: 115-62=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 62+115=177, Resulting Numbers: [177] 177,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[62, 31], Operations: ['38+24=62', '73-42=31'] Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,79 unequal: No Solution Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[38, 73, 66], Operations: ['42+24=66'] Exploring Operation: 73-38=35, Resulting Numbers: [66, 35] Generated Node #0,2,0: 79:[66, 35] Operation: 73-38=35 Exploring Operation: 38+73=111, Resulting Numbers: [66, 111] Generated Node #0,2,1: 79:[66, 111] Operation: 38+73=111 Exploring Operation: 38+66=104, Resulting Numbers: [73, 104] Generated Node #0,2,2: 79:[73, 104] Operation: 38+66=104 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[73, 104], Operations: ['42+24=66', '38+66=104'] Exploring Operation: 73+104=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 73*104=7592, Resulting Numbers: [7592] 7592,79 unequal: No Solution Exploring Operation: 104-73=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[66, 111], Operations: ['42+24=66', '38+73=111'] Exploring Operation: 66+111=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 66*111=7326, Resulting Numbers: [7326] 7326,79 unequal: No Solution Exploring Operation: 111-66=45, Resulting Numbers: [45] 45,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[66, 35], Operations: ['42+24=66', '73-38=35'] Exploring Operation: 66+35=101, Resulting Numbers: [101] 101,79 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 66*35=2310, Resulting Numbers: [2310] 2310,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[24, 73, 80], Operations: ['42+38=80'] Exploring Operation: 80-24=56, Resulting Numbers: [73, 56] Generated Node #0,0,0: 79:[73, 56] Operation: 80-24=56 Exploring Operation: 73-24=49, Resulting Numbers: [80, 49] Generated Node #0,0,1: 79:[80, 49] Operation: 73-24=49 Exploring Operation: 24+73=97, Resulting Numbers: [80, 97] Generated Node #0,0,2: 79:[80, 97] Operation: 24+73=97 Moving to Node #0,0,2 Current State: 79:[80, 97], Operations: ['42+38=80', '24+73=97'] Exploring Operation: 97-80=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 80+97=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 80*97=7760, Resulting Numbers: [7760] 7760,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[73, 56], Operations: ['42+38=80', '80-24=56'] Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 73+56=129, Resulting Numbers: [129] 129,79 unequal: No Solution Exploring Operation: 73*56=4088, Resulting Numbers: [4088] 4088,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[80, 49], Operations: ['42+38=80', '73-24=49'] Exploring Operation: 80+49=129, Resulting Numbers: [129] 129,79 unequal: No Solution Exploring Operation: 80*49=3920, Resulting Numbers: [3920] 3920,79 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,79 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
[ 49, 34, 25, 61 ]
51
[ "49-34=15", "61-25=36", "15+36=51" ]
Current State: 51:[49, 34, 25, 61], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [25, 61, 15] Generated Node #2: [25, 61, 15] from Operation: 49-34=15 Current State: 51:[25, 61, 15], Operations: ['49-34=15'] Exploring Operation: 61-25=36, Resulting Numbers: [15, 36] Generated Node #3: [15, 36] from Operation: 61-25=36 Current State: 51:[15, 36], Operations: ['49-34=15', '61-25=36'] Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[49, 34, 25, 61], Operations: [] Exploring Operation: 34-25=9, Resulting Numbers: [49, 61, 9] Generated Node #0,0: 51:[49, 61, 9] Operation: 34-25=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[49, 61, 9], Operations: ['34-25=9'] Exploring Operation: 61-9=52, Resulting Numbers: [49, 52] Generated Node #0,0,0: 51:[49, 52] Operation: 61-9=52 Moving to Node #0,0,0 Current State: 51:[49, 52], Operations: ['34-25=9', '61-9=52'] Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,51 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
[ 84, 14, 84, 17 ]
32
[ "84/84=1", "14+17=31", "1+31=32" ]
Current State: 32:[84, 14, 84, 17], Operations: [] Exploring Operation: 84/84=1, Resulting Numbers: [14, 17, 1] Generated Node #2: [14, 17, 1] from Operation: 84/84=1 Current State: 32:[14, 17, 1], Operations: ['84/84=1'] Exploring Operation: 14+17=31, Resulting Numbers: [1, 31] Generated Node #3: [1, 31] from Operation: 14+17=31 Current State: 32:[1, 31], Operations: ['84/84=1', '14+17=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[84, 14, 84, 17], Operations: [] Exploring Operation: 84/84=1, Resulting Numbers: [14, 17, 1] Generated Node #0,0: 32:[14, 17, 1] Operation: 84/84=1 Moving to Node #0,0 Current State: 32:[14, 17, 1], Operations: ['84/84=1'] Exploring Operation: 14+17=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 32:[1, 31] Operation: 14+17=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[1, 31], Operations: ['84/84=1', '14+17=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[84, 14, 84, 17], Operations: [] Exploring Operation: 84/84=1, Resulting Numbers: [14, 17, 1] Generated Node #0,0: 32:[14, 17, 1] Operation: 84/84=1 Moving to Node #0,0 Current State: 32:[14, 17, 1], Operations: ['84/84=1'] Exploring Operation: 14+17=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 32:[1, 31] Operation: 14+17=31 Moving to Node #0,0,0 Current State: 32:[1, 31], Operations: ['84/84=1', '14+17=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 28, 21, 39, 65 ]
42
[ "28+39=67", "67-65=2", "21*2=42" ]
Current State: 42:[28, 21, 39, 65], Operations: [] Exploring Operation: 28+39=67, Resulting Numbers: [21, 65, 67] Generated Node #2: [21, 65, 67] from Operation: 28+39=67 Current State: 42:[21, 65, 67], Operations: ['28+39=67'] Exploring Operation: 67-65=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 67-65=2 Current State: 42:[21, 2], Operations: ['28+39=67', '67-65=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[28, 21, 39, 65], Operations: [] Exploring Operation: 65-28=37, Resulting Numbers: [21, 39, 37] Generated Node #0,0: 42:[21, 39, 37] Operation: 65-28=37 Exploring Operation: 65-21=44, Resulting Numbers: [28, 39, 44] Generated Node #0,1: 42:[28, 39, 44] Operation: 65-21=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[21, 39, 37], Operations: ['65-28=37'] Exploring Operation: 39-37=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 39-37=2 Exploring Operation: 37-21=16, Resulting Numbers: [39, 16] Generated Node #0,0,1: 42:[39, 16] Operation: 37-21=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['65-28=37', '39-37=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[28, 21, 39, 65], Operations: [] Exploring Operation: 65-28=37, Resulting Numbers: [21, 39, 37] Generated Node #0,0: 42:[21, 39, 37] Operation: 65-28=37 Moving to Node #0,0 Current State: 42:[21, 39, 37], Operations: ['65-28=37'] Exploring Operation: 39-37=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 39-37=2 Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['65-28=37', '39-37=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 67, 58, 5, 80 ]
41
[ "67+58=125", "80+125=205", "205/5=41" ]
Current State: 41:[67, 58, 5, 80], Operations: [] Exploring Operation: 67+58=125, Resulting Numbers: [5, 80, 125] Generated Node #2: [5, 80, 125] from Operation: 67+58=125 Current State: 41:[5, 80, 125], Operations: ['67+58=125'] Exploring Operation: 80+125=205, Resulting Numbers: [5, 205] Generated Node #3: [5, 205] from Operation: 80+125=205 Current State: 41:[5, 205], Operations: ['67+58=125', '80+125=205'] Exploring Operation: 205/5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[67, 58, 5, 80], Operations: [] Exploring Operation: 58-5=53, Resulting Numbers: [67, 80, 53] Generated Node #0,0: 41:[67, 80, 53] Operation: 58-5=53 Exploring Operation: 80-5=75, Resulting Numbers: [67, 58, 75] Generated Node #0,1: 41:[67, 58, 75] Operation: 80-5=75 Exploring Operation: 67-5=62, Resulting Numbers: [58, 80, 62] Generated Node #0,2: 41:[58, 80, 62] Operation: 67-5=62 Exploring Operation: 80/5=16, Resulting Numbers: [67, 58, 16] Generated Node #0,3: 41:[67, 58, 16] Operation: 80/5=16 Moving to Node #0,3 Current State: 41:[67, 58, 16], Operations: ['80/5=16'] Exploring Operation: 67+16=83, Resulting Numbers: [58, 83] Generated Node #0,3,0: 41:[58, 83] Operation: 67+16=83 Exploring Operation: 67-58=9, Resulting Numbers: [16, 9] Generated Node #0,3,1: 41:[16, 9] Operation: 67-58=9 Exploring Operation: 67-16=51, Resulting Numbers: [58, 51] Generated Node #0,3,2: 41:[58, 51] Operation: 67-16=51 Exploring Operation: 58-16=42, Resulting Numbers: [67, 42] Generated Node #0,3,3: 41:[67, 42] Operation: 58-16=42 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 41:[58, 51], Operations: ['80/5=16', '67-16=51'] Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,41 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[67, 42], Operations: ['80/5=16', '58-16=42'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 67*42=2814, Resulting Numbers: [2814] 2814,41 unequal: No Solution Exploring Operation: 67+42=109, Resulting Numbers: [109] 109,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[16, 9], Operations: ['80/5=16', '67-58=9'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,41 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[58, 83], Operations: ['80/5=16', '67+16=83'] Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 58+83=141, Resulting Numbers: [141] 141,41 unequal: No Solution Exploring Operation: 58*83=4814, Resulting Numbers: [4814] 4814,41 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: 41:[67, 58, 75], Operations: ['80-5=75'] Exploring Operation: 75-67=8, Resulting Numbers: [58, 8] Generated Node #0,1,0: 41:[58, 8] Operation: 75-67=8 Exploring Operation: 75-58=17, Resulting Numbers: [67, 17] Generated Node #0,1,1: 41:[67, 17] Operation: 75-58=17 Exploring Operation: 67-58=9, Resulting Numbers: [75, 9] Generated Node #0,1,2: 41:[75, 9] Operation: 67-58=9 Exploring Operation: 67+58=125, Resulting Numbers: [75, 125] Generated Node #0,1,3: 41:[75, 125] Operation: 67+58=125 Moving to Node #0,0 Current State: 41:[67, 80, 53], Operations: ['58-5=53'] Exploring Operation: 67-53=14, Resulting Numbers: [80, 14] Generated Node #0,0,0: 41:[80, 14] Operation: 67-53=14 Exploring Operation: 80-67=13, Resulting Numbers: [53, 13] Generated Node #0,0,1: 41:[53, 13] Operation: 80-67=13 Exploring Operation: 80-53=27, Resulting Numbers: [67, 27] Generated Node #0,0,2: 41:[67, 27] Operation: 80-53=27 Exploring Operation: 67+80=147, Resulting Numbers: [53, 147] Generated Node #0,0,3: 41:[53, 147] Operation: 67+80=147 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[53, 13], Operations: ['58-5=53', '80-67=13'] Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 53*13=689, Resulting Numbers: [689] 689,41 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[67, 27], Operations: ['58-5=53', '80-53=27'] Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 67*27=1809, Resulting Numbers: [1809] 1809,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[80, 14], Operations: ['58-5=53', '67-53=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[53, 147], Operations: ['58-5=53', '67+80=147'] Exploring Operation: 53+147=200, Resulting Numbers: [200] 200,41 unequal: No Solution Exploring Operation: 53*147=7791, Resulting Numbers: [7791] 7791,41 unequal: No Solution Exploring Operation: 147-53=94, Resulting Numbers: [94] 94,41 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: 41:[58, 80, 62], Operations: ['67-5=62'] Exploring Operation: 80-58=22, Resulting Numbers: [62, 22] Generated Node #0,2,0: 41:[62, 22] Operation: 80-58=22 Exploring Operation: 62-58=4, Resulting Numbers: [80, 4] Generated Node #0,2,1: 41:[80, 4] Operation: 62-58=4 Exploring Operation: 80-62=18, Resulting Numbers: [58, 18] Generated Node #0,2,2: 41:[58, 18] Operation: 80-62=18 Exploring Operation: 58+80=138, Resulting Numbers: [62, 138] Generated Node #0,2,3: 41:[62, 138] Operation: 58+80=138 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[62, 22], Operations: ['67-5=62', '80-58=22'] Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[58, 18], Operations: ['67-5=62', '80-62=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[80, 4], Operations: ['67-5=62', '62-58=4'] Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,41 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 41:[62, 138], Operations: ['67-5=62', '58+80=138'] Exploring Operation: 62+138=200, Resulting Numbers: [200] 200,41 unequal: No Solution Exploring Operation: 138-62=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 62*138=8556, Resulting Numbers: [8556] 8556,41 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: 41:[58, 8], Operations: ['80-5=75', '75-67=8'] Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,41 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[67, 17], Operations: ['80-5=75', '75-58=17'] Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,41 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[75, 9], Operations: ['80-5=75', '67-58=9'] Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,41 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,41 unequal: No Solution Moving to Node #0,1,3 Current State: 41:[75, 125], Operations: ['80-5=75', '67+58=125'] Exploring Operation: 125-75=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 75+125=200, Resulting Numbers: [200] 200,41 unequal: No Solution Exploring Operation: 75*125=9375, Resulting Numbers: [9375] 9375,41 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 4, 92, 27, 48 ]
77
[ "48/4=12", "92-27=65", "12+65=77" ]
Current State: 77:[4, 92, 27, 48], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [92, 27, 12] Generated Node #2: [92, 27, 12] from Operation: 48/4=12 Current State: 77:[92, 27, 12], Operations: ['48/4=12'] Exploring Operation: 92-27=65, Resulting Numbers: [12, 65] Generated Node #3: [12, 65] from Operation: 92-27=65 Current State: 77:[12, 65], Operations: ['48/4=12', '92-27=65'] Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[4, 92, 27, 48], Operations: [] Exploring Operation: 27+48=75, Resulting Numbers: [4, 92, 75] Generated Node #0,0: 77:[4, 92, 75] Operation: 27+48=75 Exploring Operation: 48/4=12, Resulting Numbers: [92, 27, 12] Generated Node #0,1: 77:[92, 27, 12] Operation: 48/4=12 Exploring Operation: 48-27=21, Resulting Numbers: [4, 92, 21] Generated Node #0,2: 77:[4, 92, 21] Operation: 48-27=21 Moving to Node #0,0 Current State: 77:[4, 92, 75], Operations: ['27+48=75'] Exploring Operation: 92-4=88, Resulting Numbers: [75, 88] Generated Node #0,0,0: 77:[75, 88] Operation: 92-4=88 Exploring Operation: 92-75=17, Resulting Numbers: [4, 17] Generated Node #0,0,1: 77:[4, 17] Operation: 92-75=17 Exploring Operation: 92/4=23, Resulting Numbers: [75, 23] Generated Node #0,0,2: 77:[75, 23] Operation: 92/4=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[4, 17], Operations: ['27+48=75', '92-75=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[75, 88], Operations: ['27+48=75', '92-4=88'] Exploring Operation: 88-75=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 75*88=6600, Resulting Numbers: [6600] 6600,77 unequal: No Solution Exploring Operation: 75+88=163, Resulting Numbers: [163] 163,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[75, 23], Operations: ['27+48=75', '92/4=23'] Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,77 unequal: No Solution Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 75*23=1725, Resulting Numbers: [1725] 1725,77 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: 77:[4, 92, 21], Operations: ['48-27=21'] Exploring Operation: 21-4=17, Resulting Numbers: [92, 17] Generated Node #0,2,0: 77:[92, 17] Operation: 21-4=17 Exploring Operation: 92-4=88, Resulting Numbers: [21, 88] Generated Node #0,2,1: 77:[21, 88] Operation: 92-4=88 Exploring Operation: 92-21=71, Resulting Numbers: [4, 71] Generated Node #0,2,2: 77:[4, 71] Operation: 92-21=71 Moving to Node #0,1 Current State: 77:[92, 27, 12], Operations: ['48/4=12'] Exploring Operation: 92-27=65, Resulting Numbers: [12, 65] Generated Node #0,1,0: 77:[12, 65] Operation: 92-27=65 Exploring Operation: 27-12=15, Resulting Numbers: [92, 15] Generated Node #0,1,1: 77:[92, 15] Operation: 27-12=15 Exploring Operation: 92-12=80, Resulting Numbers: [27, 80] Generated Node #0,1,2: 77:[27, 80] Operation: 92-12=80 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[12, 65], Operations: ['48/4=12', '92-27=65'] Exploring Operation: 12*65=780, Resulting Numbers: [780] 780,77 unequal: No Solution Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[4, 92, 27, 48], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [92, 27, 12] Generated Node #0,1: 77:[92, 27, 12] Operation: 48/4=12 Moving to Node #0,1 Current State: 77:[92, 27, 12], Operations: ['48/4=12'] Exploring Operation: 92-27=65, Resulting Numbers: [12, 65] Generated Node #0,1,0: 77:[12, 65] Operation: 92-27=65 Moving to Node #0,1,0 Current State: 77:[12, 65], Operations: ['48/4=12', '92-27=65'] Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 38, 8, 63, 1 ]
46
[ "63+1=64", "64/8=8", "38+8=46" ]
Current State: 46:[38, 8, 63, 1], Operations: [] Exploring Operation: 63+1=64, Resulting Numbers: [38, 8, 64] Generated Node #2: [38, 8, 64] from Operation: 63+1=64 Current State: 46:[38, 8, 64], Operations: ['63+1=64'] Exploring Operation: 64/8=8, Resulting Numbers: [38, 8] Generated Node #3: [38, 8] from Operation: 64/8=8 Current State: 46:[38, 8], Operations: ['63+1=64', '64/8=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[38, 8, 63, 1], Operations: [] Exploring Operation: 63-38=25, Resulting Numbers: [8, 1, 25] Generated Node #0,0: 46:[8, 1, 25] Operation: 63-38=25 Exploring Operation: 38-8=30, Resulting Numbers: [63, 1, 30] Generated Node #0,1: 46:[63, 1, 30] Operation: 38-8=30 Exploring Operation: 63-8=55, Resulting Numbers: [38, 1, 55] Generated Node #0,2: 46:[38, 1, 55] Operation: 63-8=55 Exploring Operation: 38+8=46, Resulting Numbers: [63, 1, 46] Generated Node #0,3: 46:[63, 1, 46] Operation: 38+8=46 Moving to Node #0,0 Current State: 46:[8, 1, 25], Operations: ['63-38=25'] Exploring Operation: 25-8=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 46:[1, 17] Operation: 25-8=17 Exploring Operation: 8-1=7, Resulting Numbers: [25, 7] Generated Node #0,0,1: 46:[25, 7] Operation: 8-1=7 Exploring Operation: 8*1=8, Resulting Numbers: [25, 8] Generated Node #0,0,2: 46:[25, 8] Operation: 8*1=8 Exploring Operation: 25-1=24, Resulting Numbers: [8, 24] Generated Node #0,0,3: 46:[8, 24] Operation: 25-1=24 Moving to Node #0,3 Current State: 46:[63, 1, 46], Operations: ['38+8=46'] Exploring Operation: 63-1=62, Resulting Numbers: [46, 62] Generated Node #0,3,0: 46:[46, 62] Operation: 63-1=62 Exploring Operation: 63*1=63, Resulting Numbers: [46, 63] Generated Node #0,3,1: 46:[46, 63] Operation: 63*1=63 Exploring Operation: 63-46=17, Resulting Numbers: [1, 17] Generated Node #0,3,2: 46:[1, 17] Operation: 63-46=17 Exploring Operation: 63/1=63, Resulting Numbers: [46, 63] Generated Node #0,3,3: 46:[46, 63] Operation: 63/1=63 Moving to Node #0,2 Current State: 46:[38, 1, 55], Operations: ['63-8=55'] Exploring Operation: 38*1=38, Resulting Numbers: [55, 38] Generated Node #0,2,0: 46:[55, 38] Operation: 38*1=38 Exploring Operation: 55-38=17, Resulting Numbers: [1, 17] Generated Node #0,2,1: 46:[1, 17] Operation: 55-38=17 Exploring Operation: 38+1=39, Resulting Numbers: [55, 39] Generated Node #0,2,2: 46:[55, 39] Operation: 38+1=39 Exploring Operation: 55-1=54, Resulting Numbers: [38, 54] Generated Node #0,2,3: 46:[38, 54] Operation: 55-1=54 Moving to Node #0,1 Current State: 46:[63, 1, 30], Operations: ['38-8=30'] Exploring Operation: 63*1=63, Resulting Numbers: [30, 63] Generated Node #0,1,0: 46:[30, 63] Operation: 63*1=63 Exploring Operation: 30-1=29, Resulting Numbers: [63, 29] Generated Node #0,1,1: 46:[63, 29] Operation: 30-1=29 Exploring Operation: 63-30=33, Resulting Numbers: [1, 33] Generated Node #0,1,2: 46:[1, 33] Operation: 63-30=33 Exploring Operation: 63-1=62, Resulting Numbers: [30, 62] Generated Node #0,1,3: 46:[30, 62] Operation: 63-1=62 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[1, 33], Operations: ['38-8=30', '63-30=33'] Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[63, 29], Operations: ['38-8=30', '30-1=29'] Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,46 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[30, 62], Operations: ['38-8=30', '63-1=62'] Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,46 unequal: No Solution Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,46 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[30, 63], Operations: ['38-8=30', '63*1=63'] Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,46 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,46 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 46:[1, 17], Operations: ['63-38=25', '25-8=17'] Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[8, 24], Operations: ['63-38=25', '25-1=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,46 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[25, 7], Operations: ['63-38=25', '8-1=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,46 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[1, 17], Operations: ['38+8=46', '63-46=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[1, 17], Operations: ['63-8=55', '55-38=17'] Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[25, 8], Operations: ['63-38=25', '8*1=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[46, 62], Operations: ['38+8=46', '63-1=62'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,46 unequal: No Solution Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[55, 39], Operations: ['63-8=55', '38+1=39'] Exploring Operation: 55*39=2145, Resulting Numbers: [2145] 2145,46 unequal: No Solution Exploring Operation: 55+39=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 55-39=16, Resulting Numbers: [16] 16,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[38, 54], Operations: ['63-8=55', '55-1=54'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 38*54=2052, Resulting Numbers: [2052] 2052,46 unequal: No Solution Exploring Operation: 38+54=92, Resulting Numbers: [92] 92,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[55, 38], Operations: ['63-8=55', '38*1=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,46 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,46 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[46, 63], Operations: ['38+8=46', '63*1=63'] Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,46 unequal: No Solution Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[46, 63], Operations: ['38+8=46', '63/1=63'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,46 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,46 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 67, 36, 13, 59 ]
69
[ "13+59=72", "72/36=2", "67+2=69" ]
Current State: 69:[67, 36, 13, 59], Operations: [] Exploring Operation: 13+59=72, Resulting Numbers: [67, 36, 72] Generated Node #2: [67, 36, 72] from Operation: 13+59=72 Current State: 69:[67, 36, 72], Operations: ['13+59=72'] Exploring Operation: 72/36=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 72/36=2 Current State: 69:[67, 2], Operations: ['13+59=72', '72/36=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[67, 36, 13, 59], Operations: [] Exploring Operation: 59-36=23, Resulting Numbers: [67, 13, 23] Generated Node #0,0: 69:[67, 13, 23] Operation: 59-36=23 Exploring Operation: 67-59=8, Resulting Numbers: [36, 13, 8] Generated Node #0,1: 69:[36, 13, 8] Operation: 67-59=8 Exploring Operation: 13+59=72, Resulting Numbers: [67, 36, 72] Generated Node #0,2: 69:[67, 36, 72] Operation: 13+59=72 Exploring Operation: 36-13=23, Resulting Numbers: [67, 59, 23] Generated Node #0,3: 69:[67, 59, 23] Operation: 36-13=23 Exploring Operation: 67-36=31, Resulting Numbers: [13, 59, 31] Generated Node #0,4: 69:[13, 59, 31] Operation: 67-36=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[67, 13, 23], Operations: ['59-36=23'] Exploring Operation: 67-13=54, Resulting Numbers: [23, 54] Generated Node #0,0,0: 69:[23, 54] Operation: 67-13=54 Exploring Operation: 23-13=10, Resulting Numbers: [67, 10] Generated Node #0,0,1: 69:[67, 10] Operation: 23-13=10 Exploring Operation: 67+13=80, Resulting Numbers: [23, 80] Generated Node #0,0,2: 69:[23, 80] Operation: 67+13=80 Exploring Operation: 13+23=36, Resulting Numbers: [67, 36] Generated Node #0,0,3: 69:[67, 36] Operation: 13+23=36 Exploring Operation: 67+23=90, Resulting Numbers: [13, 90] Generated Node #0,0,4: 69:[13, 90] Operation: 67+23=90 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[67, 10], Operations: ['59-36=23', '23-13=10'] Exploring Operation: 67*10=670, Resulting Numbers: [670] 670,69 unequal: No Solution Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,69 unequal: No Solution Exploring Operation: 67+10=77, Resulting Numbers: [77] 77,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[23, 80], Operations: ['59-36=23', '67+13=80'] Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,69 unequal: No Solution Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[23, 54], Operations: ['59-36=23', '67-13=54'] Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,69 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,69 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 69:[67, 36], Operations: ['59-36=23', '13+23=36'] Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,69 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 69:[13, 90], Operations: ['59-36=23', '67+23=90'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,69 unequal: No Solution Exploring Operation: 13*90=1170, Resulting Numbers: [1170] 1170,69 unequal: No Solution Exploring Operation: 13+90=103, Resulting Numbers: [103] 103,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[67, 59, 23], Operations: ['36-13=23'] Exploring Operation: 67+23=90, Resulting Numbers: [59, 90] Generated Node #0,3,0: 69:[59, 90] Operation: 67+23=90 Exploring Operation: 67-23=44, Resulting Numbers: [59, 44] Generated Node #0,3,1: 69:[59, 44] Operation: 67-23=44 Exploring Operation: 59-23=36, Resulting Numbers: [67, 36] Generated Node #0,3,2: 69:[67, 36] Operation: 59-23=36 Exploring Operation: 59+23=82, Resulting Numbers: [67, 82] Generated Node #0,3,3: 69:[67, 82] Operation: 59+23=82 Exploring Operation: 67-59=8, Resulting Numbers: [23, 8] Generated Node #0,3,4: 69:[23, 8] Operation: 67-59=8 Moving to Node #0,3,4 Current State: 69:[23, 8], Operations: ['36-13=23', '67-59=8'] Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,69 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,69 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,69 unequal: No Solution Moving to Node #0,3,3 Current State: 69:[67, 82], Operations: ['36-13=23', '59+23=82'] Exploring Operation: 82-67=15, Resulting Numbers: [15] 15,69 unequal: No Solution Exploring Operation: 67+82=149, Resulting Numbers: [149] 149,69 unequal: No Solution Exploring Operation: 67*82=5494, Resulting Numbers: [5494] 5494,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[67, 36], Operations: ['36-13=23', '59-23=36'] Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,69 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[59, 90], Operations: ['36-13=23', '67+23=90'] Exploring Operation: 59*90=5310, Resulting Numbers: [5310] 5310,69 unequal: No Solution Exploring Operation: 59+90=149, Resulting Numbers: [149] 149,69 unequal: No Solution Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[59, 44], Operations: ['36-13=23', '67-23=44'] Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,69 unequal: No Solution Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[67, 36, 72], Operations: ['13+59=72'] Exploring Operation: 72-67=5, Resulting Numbers: [36, 5] Generated Node #0,2,0: 69:[36, 5] Operation: 72-67=5 Exploring Operation: 72/36=2, Resulting Numbers: [67, 2] Generated Node #0,2,1: 69:[67, 2] Operation: 72/36=2 Exploring Operation: 67+36=103, Resulting Numbers: [72, 103] Generated Node #0,2,2: 69:[72, 103] Operation: 67+36=103 Exploring Operation: 72-36=36, Resulting Numbers: [67, 36] Generated Node #0,2,3: 69:[67, 36] Operation: 72-36=36 Exploring Operation: 67-36=31, Resulting Numbers: [72, 31] Generated Node #0,2,4: 69:[72, 31] Operation: 67-36=31 Moving to Node #0,2,1 Current State: 69:[67, 2], Operations: ['13+59=72', '72/36=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[67, 36, 13, 59], Operations: [] Exploring Operation: 13+59=72, Resulting Numbers: [67, 36, 72] Generated Node #0,2: 69:[67, 36, 72] Operation: 13+59=72 Moving to Node #0,2 Current State: 69:[67, 36, 72], Operations: ['13+59=72'] Exploring Operation: 72/36=2, Resulting Numbers: [67, 2] Generated Node #0,2,1: 69:[67, 2] Operation: 72/36=2 Moving to Node #0,2,1 Current State: 69:[67, 2], Operations: ['13+59=72', '72/36=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
mult_heuristic
[ 37, 15, 73, 1 ]
51
[ "37-15=22", "73*1=73", "73-22=51" ]
Current State: 51:[37, 15, 73, 1], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [73, 1, 22] Generated Node #2: [73, 1, 22] from Operation: 37-15=22 Current State: 51:[73, 1, 22], Operations: ['37-15=22'] Exploring Operation: 73*1=73, Resulting Numbers: [22, 73] Generated Node #3: [22, 73] from Operation: 73*1=73 Current State: 51:[22, 73], Operations: ['37-15=22', '73*1=73'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 15, 73, 1], Operations: [] Exploring Operation: 73-15=58, Resulting Numbers: [37, 1, 58] Generated Node #0,0: 51:[37, 1, 58] Operation: 73-15=58 Exploring Operation: 37+15=52, Resulting Numbers: [73, 1, 52] Generated Node #0,1: 51:[73, 1, 52] Operation: 37+15=52 Exploring Operation: 73-37=36, Resulting Numbers: [15, 1, 36] Generated Node #0,2: 51:[15, 1, 36] Operation: 73-37=36 Moving to Node #0,2 Current State: 51:[15, 1, 36], Operations: ['73-37=36'] Exploring Operation: 15+36=51, Resulting Numbers: [1, 51] Generated Node #0,2,0: 51:[1, 51] Operation: 15+36=51 Exploring Operation: 36-15=21, Resulting Numbers: [1, 21] Generated Node #0,2,1: 51:[1, 21] Operation: 36-15=21 Exploring Operation: 15+1=16, Resulting Numbers: [36, 16] Generated Node #0,2,2: 51:[36, 16] Operation: 15+1=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[1, 51], Operations: ['73-37=36', '15+36=51'] Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[37, 15, 73, 1], Operations: [] Exploring Operation: 73-37=36, Resulting Numbers: [15, 1, 36] Generated Node #0,2: 51:[15, 1, 36] Operation: 73-37=36 Moving to Node #0,2 Current State: 51:[15, 1, 36], Operations: ['73-37=36'] Exploring Operation: 15+36=51, Resulting Numbers: [1, 51] Generated Node #0,2,0: 51:[1, 51] Operation: 15+36=51 Moving to Node #0,2,0 Current State: 51:[1, 51], Operations: ['73-37=36', '15+36=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 25, 19, 77, 23 ]
98
[ "25+19=44", "77-23=54", "44+54=98" ]
Current State: 98:[25, 19, 77, 23], Operations: [] Exploring Operation: 25+19=44, Resulting Numbers: [77, 23, 44] Generated Node #2: [77, 23, 44] from Operation: 25+19=44 Current State: 98:[77, 23, 44], Operations: ['25+19=44'] Exploring Operation: 77-23=54, Resulting Numbers: [44, 54] Generated Node #3: [44, 54] from Operation: 77-23=54 Current State: 98:[44, 54], Operations: ['25+19=44', '77-23=54'] Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[25, 19, 77, 23], Operations: [] Exploring Operation: 25+77=102, Resulting Numbers: [19, 23, 102] Generated Node #0,0: 98:[19, 23, 102] Operation: 25+77=102 Exploring Operation: 77+23=100, Resulting Numbers: [25, 19, 100] Generated Node #0,1: 98:[25, 19, 100] Operation: 77+23=100 Exploring Operation: 77-25=52, Resulting Numbers: [19, 23, 52] Generated Node #0,2: 98:[19, 23, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[19, 23, 52], Operations: ['77-25=52'] Exploring Operation: 23-19=4, Resulting Numbers: [52, 4] Generated Node #0,2,0: 98:[52, 4] Operation: 23-19=4 Exploring Operation: 19+23=42, Resulting Numbers: [52, 42] Generated Node #0,2,1: 98:[52, 42] Operation: 19+23=42 Exploring Operation: 52-23=29, Resulting Numbers: [19, 29] Generated Node #0,2,2: 98:[19, 29] Operation: 52-23=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[52, 4], Operations: ['77-25=52', '23-19=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[52, 42], Operations: ['77-25=52', '19+23=42'] Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,98 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 52*42=2184, Resulting Numbers: [2184] 2184,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[19, 29], Operations: ['77-25=52', '52-23=29'] Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,98 unequal: No Solution Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[19, 23, 102], Operations: ['25+77=102'] Exploring Operation: 102-19=83, Resulting Numbers: [23, 83] Generated Node #0,0,0: 98:[23, 83] Operation: 102-19=83 Exploring Operation: 23-19=4, Resulting Numbers: [102, 4] Generated Node #0,0,1: 98:[102, 4] Operation: 23-19=4 Exploring Operation: 19+23=42, Resulting Numbers: [102, 42] Generated Node #0,0,2: 98:[102, 42] Operation: 19+23=42 Moving to Node #0,0,1 Current State: 98:[102, 4], Operations: ['25+77=102', '23-19=4'] Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[25, 19, 77, 23], Operations: [] Exploring Operation: 25+77=102, Resulting Numbers: [19, 23, 102] Generated Node #0,0: 98:[19, 23, 102] Operation: 25+77=102 Moving to Node #0,0 Current State: 98:[19, 23, 102], Operations: ['25+77=102'] Exploring Operation: 23-19=4, Resulting Numbers: [102, 4] Generated Node #0,0,1: 98:[102, 4] Operation: 23-19=4 Moving to Node #0,0,1 Current State: 98:[102, 4], Operations: ['25+77=102', '23-19=4'] Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 64, 16, 40, 28 ]
66
[ "16+40=56", "56/28=2", "64+2=66" ]
Current State: 66:[64, 16, 40, 28], Operations: [] Exploring Operation: 16+40=56, Resulting Numbers: [64, 28, 56] Generated Node #2: [64, 28, 56] from Operation: 16+40=56 Current State: 66:[64, 28, 56], Operations: ['16+40=56'] Exploring Operation: 56/28=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 56/28=2 Current State: 66:[64, 2], Operations: ['16+40=56', '56/28=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[64, 16, 40, 28], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [64, 28, 24] Generated Node #0,0: 66:[64, 28, 24] Operation: 40-16=24 Exploring Operation: 40-28=12, Resulting Numbers: [64, 16, 12] Generated Node #0,1: 66:[64, 16, 12] Operation: 40-28=12 Moving to Node #0,1 Current State: 66:[64, 16, 12], Operations: ['40-28=12'] Exploring Operation: 64/16=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 66:[12, 4] Operation: 64/16=4 Exploring Operation: 16-12=4, Resulting Numbers: [64, 4] Generated Node #0,1,1: 66:[64, 4] Operation: 16-12=4 Moving to Node #0,0 Current State: 66:[64, 28, 24], Operations: ['40-16=24'] Exploring Operation: 64-28=36, Resulting Numbers: [24, 36] Generated Node #0,0,0: 66:[24, 36] Operation: 64-28=36 Exploring Operation: 28-24=4, Resulting Numbers: [64, 4] Generated Node #0,0,1: 66:[64, 4] Operation: 28-24=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[64, 4], Operations: ['40-16=24', '28-24=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[24, 36], Operations: ['40-16=24', '64-28=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,66 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: 66:[12, 4], Operations: ['40-28=12', '64/16=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[64, 4], Operations: ['40-28=12', '16-12=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,66 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 81, 99, 12, 43 ]
13
[ "99-81=18", "43-12=31", "31-18=13" ]
Current State: 13:[81, 99, 12, 43], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [12, 43, 18] Generated Node #2: [12, 43, 18] from Operation: 99-81=18 Current State: 13:[12, 43, 18], Operations: ['99-81=18'] Exploring Operation: 43-12=31, Resulting Numbers: [18, 31] Generated Node #3: [18, 31] from Operation: 43-12=31 Current State: 13:[18, 31], Operations: ['99-81=18', '43-12=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[81, 99, 12, 43], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [12, 43, 18] Generated Node #0,0: 13:[12, 43, 18] Operation: 99-81=18 Exploring Operation: 99-43=56, Resulting Numbers: [81, 12, 56] Generated Node #0,1: 13:[81, 12, 56] Operation: 99-43=56 Exploring Operation: 81-43=38, Resulting Numbers: [99, 12, 38] Generated Node #0,2: 13:[99, 12, 38] Operation: 81-43=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[12, 43, 18], Operations: ['99-81=18'] Exploring Operation: 43-12=31, Resulting Numbers: [18, 31] Generated Node #0,0,0: 13:[18, 31] Operation: 43-12=31 Exploring Operation: 18-12=6, Resulting Numbers: [43, 6] Generated Node #0,0,1: 13:[43, 6] Operation: 18-12=6 Exploring Operation: 43-18=25, Resulting Numbers: [12, 25] Generated Node #0,0,2: 13:[12, 25] Operation: 43-18=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[12, 25], Operations: ['99-81=18', '43-18=25'] Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,13 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[81, 99, 12, 43], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [12, 43, 18] Generated Node #0,0: 13:[12, 43, 18] Operation: 99-81=18 Moving to Node #0,0 Current State: 13:[12, 43, 18], Operations: ['99-81=18'] Exploring Operation: 43-18=25, Resulting Numbers: [12, 25] Generated Node #0,0,2: 13:[12, 25] Operation: 43-18=25 Moving to Node #0,0,2 Current State: 13:[12, 25], Operations: ['99-81=18', '43-18=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 50, 91, 32, 34 ]
43
[ "91-50=41", "34-32=2", "41+2=43" ]
Current State: 43:[50, 91, 32, 34], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [32, 34, 41] Generated Node #2: [32, 34, 41] from Operation: 91-50=41 Current State: 43:[32, 34, 41], Operations: ['91-50=41'] Exploring Operation: 34-32=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 34-32=2 Current State: 43:[41, 2], Operations: ['91-50=41', '34-32=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[50, 91, 32, 34], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [32, 34, 41] Generated Node #0,0: 43:[32, 34, 41] Operation: 91-50=41 Moving to Node #0,0 Current State: 43:[32, 34, 41], Operations: ['91-50=41'] Exploring Operation: 32+34=66, Resulting Numbers: [41, 66] Generated Node #0,0,0: 43:[41, 66] Operation: 32+34=66 Moving to Node #0,0,0 Current State: 43:[41, 66], Operations: ['91-50=41', '32+34=66'] Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,43 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 4, 1, 6, 47 ]
13
[ "6-1=5", "47+5=52", "52/4=13" ]
Current State: 13:[4, 1, 6, 47], Operations: [] Exploring Operation: 6-1=5, Resulting Numbers: [4, 47, 5] Generated Node #2: [4, 47, 5] from Operation: 6-1=5 Current State: 13:[4, 47, 5], Operations: ['6-1=5'] Exploring Operation: 47+5=52, Resulting Numbers: [4, 52] Generated Node #3: [4, 52] from Operation: 47+5=52 Current State: 13:[4, 52], Operations: ['6-1=5', '47+5=52'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[4, 1, 6, 47], Operations: [] Exploring Operation: 47-4=43, Resulting Numbers: [1, 6, 43] Generated Node #0,0: 13:[1, 6, 43] Operation: 47-4=43 Exploring Operation: 4+1=5, Resulting Numbers: [6, 47, 5] Generated Node #0,1: 13:[6, 47, 5] Operation: 4+1=5 Exploring Operation: 1+6=7, Resulting Numbers: [4, 47, 7] Generated Node #0,2: 13:[4, 47, 7] Operation: 1+6=7 Exploring Operation: 4+6=10, Resulting Numbers: [1, 47, 10] Generated Node #0,3: 13:[1, 47, 10] Operation: 4+6=10 Exploring Operation: 47-1=46, Resulting Numbers: [4, 6, 46] Generated Node #0,4: 13:[4, 6, 46] Operation: 47-1=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[1, 6, 43], Operations: ['47-4=43'] Exploring Operation: 6/1=6, Resulting Numbers: [43, 6] Generated Node #0,0,0: 13:[43, 6] Operation: 6/1=6 Exploring Operation: 43-6=37, Resulting Numbers: [1, 37] Generated Node #0,0,1: 13:[1, 37] Operation: 43-6=37 Exploring Operation: 1+6=7, Resulting Numbers: [43, 7] Generated Node #0,0,2: 13:[43, 7] Operation: 1+6=7 Exploring Operation: 43-1=42, Resulting Numbers: [6, 42] Generated Node #0,0,3: 13:[6, 42] Operation: 43-1=42 Exploring Operation: 1*6=6, Resulting Numbers: [43, 6] Generated Node #0,0,4: 13:[43, 6] Operation: 1*6=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[1, 37], Operations: ['47-4=43', '43-6=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[43, 7], Operations: ['47-4=43', '1+6=7'] Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,13 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[6, 42], Operations: ['47-4=43', '43-1=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,13 unequal: No Solution No 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: 13:[43, 6], Operations: ['47-4=43', '6/1=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,13 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,13 unequal: No Solution No 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: 13:[43, 6], Operations: ['47-4=43', '1*6=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,13 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,13 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[6, 47, 5], Operations: ['4+1=5'] Exploring Operation: 47-5=42, Resulting Numbers: [6, 42] Generated Node #0,1,0: 13:[6, 42] Operation: 47-5=42 Exploring Operation: 6+5=11, Resulting Numbers: [47, 11] Generated Node #0,1,1: 13:[47, 11] Operation: 6+5=11 Exploring Operation: 47+5=52, Resulting Numbers: [6, 52] Generated Node #0,1,2: 13:[6, 52] Operation: 47+5=52 Exploring Operation: 6-5=1, Resulting Numbers: [47, 1] Generated Node #0,1,3: 13:[47, 1] Operation: 6-5=1 Exploring Operation: 47-6=41, Resulting Numbers: [5, 41] Generated Node #0,1,4: 13:[5, 41] Operation: 47-6=41 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[6, 42], Operations: ['4+1=5', '47-5=42'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,13 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,13 unequal: No Solution No 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: 13:[47, 11], Operations: ['4+1=5', '6+5=11'] Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,13 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[5, 41], Operations: ['4+1=5', '47-6=41'] Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,13 unequal: No Solution No 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: 13:[6, 52], Operations: ['4+1=5', '47+5=52'] Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,13 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,13 unequal: No Solution No 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: 13:[47, 1], Operations: ['4+1=5', '6-5=1'] Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,13 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,13 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[4, 47, 7], Operations: ['1+6=7'] Exploring Operation: 47-7=40, Resulting Numbers: [4, 40] Generated Node #0,2,0: 13:[4, 40] Operation: 47-7=40 Exploring Operation: 47-4=43, Resulting Numbers: [7, 43] Generated Node #0,2,1: 13:[7, 43] Operation: 47-4=43 Exploring Operation: 4+47=51, Resulting Numbers: [7, 51] Generated Node #0,2,2: 13:[7, 51] Operation: 4+47=51 Exploring Operation: 4+7=11, Resulting Numbers: [47, 11] Generated Node #0,2,3: 13:[47, 11] Operation: 4+7=11 Exploring Operation: 7-4=3, Resulting Numbers: [47, 3] Generated Node #0,2,4: 13:[47, 3] Operation: 7-4=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[4, 40], Operations: ['1+6=7', '47-7=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,13 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,13 unequal: No Solution No 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: 13:[7, 43], Operations: ['1+6=7', '47-4=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,13 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[47, 11], Operations: ['1+6=7', '4+7=11'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,13 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,13 unequal: No Solution No 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: 13:[7, 51], Operations: ['1+6=7', '4+47=51'] Exploring Operation: 7*51=357, Resulting Numbers: [357] 357,13 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,13 unequal: No Solution No 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: 13:[47, 3], Operations: ['1+6=7', '7-4=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,13 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[1, 47, 10], Operations: ['4+6=10'] Exploring Operation: 1*47=47, Resulting Numbers: [10, 47] Generated Node #0,3,0: 13:[10, 47] Operation: 1*47=47 Exploring Operation: 47-1=46, Resulting Numbers: [10, 46] Generated Node #0,3,1: 13:[10, 46] Operation: 47-1=46 Exploring Operation: 47/1=47, Resulting Numbers: [10, 47] Generated Node #0,3,2: 13:[10, 47] Operation: 47/1=47 Exploring Operation: 47-10=37, Resulting Numbers: [1, 37] Generated Node #0,3,3: 13:[1, 37] Operation: 47-10=37 Exploring Operation: 1+10=11, Resulting Numbers: [47, 11] Generated Node #0,3,4: 13:[47, 11] Operation: 1+10=11 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 13:[10, 46], Operations: ['4+6=10', '47-1=46'] Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,13 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[1, 37], Operations: ['4+6=10', '47-10=37'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,13 unequal: No Solution No 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: 13:[47, 11], Operations: ['4+6=10', '1+10=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,13 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[10, 47], Operations: ['4+6=10', '1*47=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,13 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,13 unequal: No Solution No 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: 13:[10, 47], Operations: ['4+6=10', '47/1=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,13 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[4, 6, 46], Operations: ['47-1=46'] Exploring Operation: 6-4=2, Resulting Numbers: [46, 2] Generated Node #0,4,0: 13:[46, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [46, 10] Generated Node #0,4,1: 13:[46, 10] Operation: 4+6=10 Exploring Operation: 46-6=40, Resulting Numbers: [4, 40] Generated Node #0,4,2: 13:[4, 40] Operation: 46-6=40 Exploring Operation: 46-4=42, Resulting Numbers: [6, 42] Generated Node #0,4,3: 13:[6, 42] Operation: 46-4=42 Exploring Operation: 4*6=24, Resulting Numbers: [46, 24] Generated Node #0,4,4: 13:[46, 24] Operation: 4*6=24 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 13:[46, 10], Operations: ['47-1=46', '4+6=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,13 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,13 unequal: No Solution No 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: 13:[4, 40], Operations: ['47-1=46', '46-6=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,13 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,13 unequal: No Solution No 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: 13:[6, 42], Operations: ['47-1=46', '46-4=42'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,13 unequal: No Solution No 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: 13:[46, 2], Operations: ['47-1=46', '6-4=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,13 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,13 unequal: No Solution No 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: 13:[46, 24], Operations: ['47-1=46', '4*6=24'] Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,13 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 60, 45, 18, 77 ]
45
[ "60+18=78", "78-77=1", "45*1=45" ]
Current State: 45:[60, 45, 18, 77], Operations: [] Exploring Operation: 60+18=78, Resulting Numbers: [45, 77, 78] Generated Node #2: [45, 77, 78] from Operation: 60+18=78 Current State: 45:[45, 77, 78], Operations: ['60+18=78'] Exploring Operation: 78-77=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 78-77=1 Current State: 45:[45, 1], Operations: ['60+18=78', '78-77=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[60, 45, 18, 77], Operations: [] Exploring Operation: 77-18=59, Resulting Numbers: [60, 45, 59] Generated Node #0,0: 45:[60, 45, 59] Operation: 77-18=59 Exploring Operation: 77-60=17, Resulting Numbers: [45, 18, 17] Generated Node #0,1: 45:[45, 18, 17] Operation: 77-60=17 Moving to Node #0,1 Current State: 45:[45, 18, 17], Operations: ['77-60=17'] Exploring Operation: 18+17=35, Resulting Numbers: [45, 35] Generated Node #0,1,0: 45:[45, 35] Operation: 18+17=35 Exploring Operation: 18-17=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 18-17=1 Moving to Node #0,0 Current State: 45:[60, 45, 59], Operations: ['77-18=59'] Exploring Operation: 60-59=1, Resulting Numbers: [45, 1] Generated Node #0,0,0: 45:[45, 1] Operation: 60-59=1 Exploring Operation: 60-45=15, Resulting Numbers: [59, 15] Generated Node #0,0,1: 45:[59, 15] Operation: 60-45=15 Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['77-60=17', '18-17=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[60, 45, 18, 77], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [45, 18, 17] Generated Node #0,1: 45:[45, 18, 17] Operation: 77-60=17 Moving to Node #0,1 Current State: 45:[45, 18, 17], Operations: ['77-60=17'] Exploring Operation: 18-17=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 18-17=1 Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['77-60=17', '18-17=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 2, 15, 88, 10 ]
18
[ "2+88=90", "15-10=5", "90/5=18" ]
Current State: 18:[2, 15, 88, 10], Operations: [] Exploring Operation: 2+88=90, Resulting Numbers: [15, 10, 90] Generated Node #2: [15, 10, 90] from Operation: 2+88=90 Current State: 18:[15, 10, 90], Operations: ['2+88=90'] Exploring Operation: 15-10=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 15-10=5 Current State: 18:[90, 5], Operations: ['2+88=90', '15-10=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[2, 15, 88, 10], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [15, 10, 44] Generated Node #0,0: 18:[15, 10, 44] Operation: 88/2=44 Exploring Operation: 15-10=5, Resulting Numbers: [2, 88, 5] Generated Node #0,1: 18:[2, 88, 5] Operation: 15-10=5 Exploring Operation: 88-15=73, Resulting Numbers: [2, 10, 73] Generated Node #0,2: 18:[2, 10, 73] Operation: 88-15=73 Exploring Operation: 2+15=17, Resulting Numbers: [88, 10, 17] Generated Node #0,3: 18:[88, 10, 17] Operation: 2+15=17 Exploring Operation: 88-10=78, Resulting Numbers: [2, 15, 78] Generated Node #0,4: 18:[2, 15, 78] Operation: 88-10=78 Moving to Node #0,0 Current State: 18:[15, 10, 44], Operations: ['88/2=44'] Exploring Operation: 15-10=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 18:[44, 5] Operation: 15-10=5 Exploring Operation: 44-10=34, Resulting Numbers: [15, 34] Generated Node #0,0,1: 18:[15, 34] Operation: 44-10=34 Exploring Operation: 44-15=29, Resulting Numbers: [10, 29] Generated Node #0,0,2: 18:[10, 29] Operation: 44-15=29 Exploring Operation: 15+10=25, Resulting Numbers: [44, 25] Generated Node #0,0,3: 18:[44, 25] Operation: 15+10=25 Exploring Operation: 10+44=54, Resulting Numbers: [15, 54] Generated Node #0,0,4: 18:[15, 54] Operation: 10+44=54 Moving to Node #0,2 Current State: 18:[2, 10, 73], Operations: ['88-15=73'] Exploring Operation: 73-10=63, Resulting Numbers: [2, 63] Generated Node #0,2,0: 18:[2, 63] Operation: 73-10=63 Exploring Operation: 10/2=5, Resulting Numbers: [73, 5] Generated Node #0,2,1: 18:[73, 5] Operation: 10/2=5 Exploring Operation: 73-2=71, Resulting Numbers: [10, 71] Generated Node #0,2,2: 18:[10, 71] Operation: 73-2=71 Exploring Operation: 10-2=8, Resulting Numbers: [73, 8] Generated Node #0,2,3: 18:[73, 8] Operation: 10-2=8 Exploring Operation: 2*10=20, Resulting Numbers: [73, 20] Generated Node #0,2,4: 18:[73, 20] Operation: 2*10=20 Moving to Node #0,4 Current State: 18:[2, 15, 78], Operations: ['88-10=78'] Exploring Operation: 78/2=39, Resulting Numbers: [15, 39] Generated Node #0,4,0: 18:[15, 39] Operation: 78/2=39 Exploring Operation: 15-2=13, Resulting Numbers: [78, 13] Generated Node #0,4,1: 18:[78, 13] Operation: 15-2=13 Exploring Operation: 2+15=17, Resulting Numbers: [78, 17] Generated Node #0,4,2: 18:[78, 17] Operation: 2+15=17 Exploring Operation: 78-2=76, Resulting Numbers: [15, 76] Generated Node #0,4,3: 18:[15, 76] Operation: 78-2=76 Exploring Operation: 78-15=63, Resulting Numbers: [2, 63] Generated Node #0,4,4: 18:[2, 63] Operation: 78-15=63 Moving to Node #0,1 Current State: 18:[2, 88, 5], Operations: ['15-10=5'] Exploring Operation: 88/2=44, Resulting Numbers: [5, 44] Generated Node #0,1,0: 18:[5, 44] Operation: 88/2=44 Exploring Operation: 5-2=3, Resulting Numbers: [88, 3] Generated Node #0,1,1: 18:[88, 3] Operation: 5-2=3 Exploring Operation: 88-5=83, Resulting Numbers: [2, 83] Generated Node #0,1,2: 18:[2, 83] Operation: 88-5=83 Exploring Operation: 88-2=86, Resulting Numbers: [5, 86] Generated Node #0,1,3: 18:[5, 86] Operation: 88-2=86 Exploring Operation: 2+5=7, Resulting Numbers: [88, 7] Generated Node #0,1,4: 18:[88, 7] Operation: 2+5=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[5, 44], Operations: ['15-10=5', '88/2=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,18 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,18 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[2, 83], Operations: ['15-10=5', '88-5=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,18 unequal: No Solution Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 18:[5, 86], Operations: ['15-10=5', '88-2=86'] Exploring Operation: 5*86=430, Resulting Numbers: [430] 430,18 unequal: No Solution Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 5+86=91, Resulting Numbers: [91] 91,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[88, 3], Operations: ['15-10=5', '5-2=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 18:[88, 7], Operations: ['15-10=5', '2+5=7'] Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,18 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 18:[88, 10, 17], Operations: ['2+15=17'] Exploring Operation: 88-10=78, Resulting Numbers: [17, 78] Generated Node #0,3,0: 18:[17, 78] Operation: 88-10=78 Exploring Operation: 88+10=98, Resulting Numbers: [17, 98] Generated Node #0,3,1: 18:[17, 98] Operation: 88+10=98 Exploring Operation: 10+17=27, Resulting Numbers: [88, 27] Generated Node #0,3,2: 18:[88, 27] Operation: 10+17=27 Exploring Operation: 17-10=7, Resulting Numbers: [88, 7] Generated Node #0,3,3: 18:[88, 7] Operation: 17-10=7 Exploring Operation: 88-17=71, Resulting Numbers: [10, 71] Generated Node #0,3,4: 18:[10, 71] Operation: 88-17=71 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[10, 71], Operations: ['2+15=17', '88-17=71'] Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 10*71=710, Resulting Numbers: [710] 710,18 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[17, 78], Operations: ['2+15=17', '88-10=78'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 17*78=1326, Resulting Numbers: [1326] 1326,18 unequal: No Solution Exploring Operation: 17+78=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[88, 7], Operations: ['2+15=17', '17-10=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,18 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,18 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 #0,3,2 Current State: 18:[88, 27], Operations: ['2+15=17', '10+17=27'] Exploring Operation: 88+27=115, Resulting Numbers: [115] 115,18 unequal: No Solution Exploring Operation: 88*27=2376, Resulting Numbers: [2376] 2376,18 unequal: No Solution Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[17, 98], Operations: ['2+15=17', '88+10=98'] Exploring Operation: 98-17=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 17+98=115, Resulting Numbers: [115] 115,18 unequal: No Solution Exploring Operation: 17*98=1666, Resulting Numbers: [1666] 1666,18 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: 18:[10, 29], Operations: ['88/2=44', '44-15=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,18 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,18 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[15, 34], Operations: ['88/2=44', '44-10=34'] Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,18 unequal: No Solution Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,18 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,18 unequal: No Solution Moving to Node #0,4,0 Current State: 18:[15, 39], Operations: ['88-10=78', '78/2=39'] Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,18 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,18 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[44, 5], Operations: ['88/2=44', '15-10=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,18 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,18 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[44, 25], Operations: ['88/2=44', '15+10=25'] Exploring Operation: 44*25=1100, Resulting Numbers: [1100] 1100,18 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,18 unequal: No Solution Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,18 unequal: No Solution Moving to Node #0,0,4 Current State: 18:[15, 54], Operations: ['88/2=44', '10+44=54'] Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,18 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,18 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[2, 63], Operations: ['88-15=73', '73-10=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,18 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,18 unequal: No Solution Moving to Node #0,4,4 Current State: 18:[2, 63], Operations: ['88-10=78', '78-15=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[10, 71], Operations: ['88-15=73', '73-2=71'] Exploring Operation: 10*71=710, Resulting Numbers: [710] 710,18 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[73, 8], Operations: ['88-15=73', '10-2=8'] Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,18 unequal: No Solution Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[73, 5], Operations: ['88-15=73', '10/2=5'] Exploring Operation: 73*5=365, Resulting Numbers: [365] 365,18 unequal: No Solution Exploring Operation: 73+5=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[73, 20], Operations: ['88-15=73', '2*10=20'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,18 unequal: No Solution Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[15, 76], Operations: ['88-10=78', '78-2=76'] Exploring Operation: 15*76=1140, Resulting Numbers: [1140] 1140,18 unequal: No Solution Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,18 unequal: No Solution Moving to Node #0,4,2 Current State: 18:[78, 17], Operations: ['88-10=78', '2+15=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,18 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,18 unequal: No Solution Moving to Node #0,4,1 Current State: 18:[78, 13], Operations: ['88-10=78', '15-2=13'] Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,18 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 71, 66, 42, 7 ]
21
[ "71-66=5", "7-5=2", "42/2=21" ]
Current State: 21:[71, 66, 42, 7], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [42, 7, 5] Generated Node #2: [42, 7, 5] from Operation: 71-66=5 Current State: 21:[42, 7, 5], Operations: ['71-66=5'] Exploring Operation: 7-5=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 7-5=2 Current State: 21:[42, 2], Operations: ['71-66=5', '7-5=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[71, 66, 42, 7], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [42, 7, 5] Generated Node #0,0: 21:[42, 7, 5] Operation: 71-66=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[42, 7, 5], Operations: ['71-66=5'] Exploring Operation: 42/7=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 21:[5, 6] Operation: 42/7=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[5, 6], Operations: ['71-66=5', '42/7=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 36, 78, 80 ]
81
[ "80-78=2", "36/2=18", "63+18=81" ]
Current State: 81:[63, 36, 78, 80], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [63, 36, 2] Generated Node #2: [63, 36, 2] from Operation: 80-78=2 Current State: 81:[63, 36, 2], Operations: ['80-78=2'] Exploring Operation: 36/2=18, Resulting Numbers: [63, 18] Generated Node #3: [63, 18] from Operation: 36/2=18 Current State: 81:[63, 18], Operations: ['80-78=2', '36/2=18'] Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[63, 36, 78, 80], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [63, 36, 2] Generated Node #0,0: 81:[63, 36, 2] Operation: 80-78=2 Exploring Operation: 78-63=15, Resulting Numbers: [36, 80, 15] Generated Node #0,1: 81:[36, 80, 15] Operation: 78-63=15 Exploring Operation: 63-36=27, Resulting Numbers: [78, 80, 27] Generated Node #0,2: 81:[78, 80, 27] Operation: 63-36=27 Exploring Operation: 63+36=99, Resulting Numbers: [78, 80, 99] Generated Node #0,3: 81:[78, 80, 99] Operation: 63+36=99 Exploring Operation: 80-63=17, Resulting Numbers: [36, 78, 17] Generated Node #0,4: 81:[36, 78, 17] Operation: 80-63=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[78, 80, 27], Operations: ['63-36=27'] Exploring Operation: 80-78=2, Resulting Numbers: [27, 2] Generated Node #0,2,0: 81:[27, 2] Operation: 80-78=2 Exploring Operation: 80+27=107, Resulting Numbers: [78, 107] Generated Node #0,2,1: 81:[78, 107] Operation: 80+27=107 Exploring Operation: 80-27=53, Resulting Numbers: [78, 53] Generated Node #0,2,2: 81:[78, 53] Operation: 80-27=53 Exploring Operation: 78-27=51, Resulting Numbers: [80, 51] Generated Node #0,2,3: 81:[80, 51] Operation: 78-27=51 Exploring Operation: 78+27=105, Resulting Numbers: [80, 105] Generated Node #0,2,4: 81:[80, 105] Operation: 78+27=105 Moving to Node #0,2,0 Current State: 81:[27, 2], Operations: ['63-36=27', '80-78=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[80, 105], Operations: ['63-36=27', '78+27=105'] Exploring Operation: 105-80=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 80+105=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 80*105=8400, Resulting Numbers: [8400] 8400,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[80, 51], Operations: ['63-36=27', '78-27=51'] Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,81 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[78, 107], Operations: ['63-36=27', '80+27=107'] Exploring Operation: 78+107=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 78*107=8346, Resulting Numbers: [8346] 8346,81 unequal: No Solution Exploring Operation: 107-78=29, Resulting Numbers: [29] 29,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[78, 53], Operations: ['63-36=27', '80-27=53'] Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 78+53=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 78*53=4134, Resulting Numbers: [4134] 4134,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[36, 80, 15], Operations: ['78-63=15'] Exploring Operation: 80+15=95, Resulting Numbers: [36, 95] Generated Node #0,1,0: 81:[36, 95] Operation: 80+15=95 Exploring Operation: 80-15=65, Resulting Numbers: [36, 65] Generated Node #0,1,1: 81:[36, 65] Operation: 80-15=65 Exploring Operation: 36+15=51, Resulting Numbers: [80, 51] Generated Node #0,1,2: 81:[80, 51] Operation: 36+15=51 Exploring Operation: 80-36=44, Resulting Numbers: [15, 44] Generated Node #0,1,3: 81:[15, 44] Operation: 80-36=44 Exploring Operation: 36-15=21, Resulting Numbers: [80, 21] Generated Node #0,1,4: 81:[80, 21] Operation: 36-15=21 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 81:[80, 21], Operations: ['78-63=15', '36-15=21'] Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,81 unequal: No Solution Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,81 unequal: No Solution No 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: 81:[36, 95], Operations: ['78-63=15', '80+15=95'] Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,81 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,81 unequal: No Solution No 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: 81:[15, 44], Operations: ['78-63=15', '80-36=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,81 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,81 unequal: No Solution No 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: 81:[36, 65], Operations: ['78-63=15', '80-15=65'] Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,81 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,81 unequal: No Solution No 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: 81:[80, 51], Operations: ['78-63=15', '36+15=51'] Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,81 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,81 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: 81:[36, 78, 17], Operations: ['80-63=17'] Exploring Operation: 78-36=42, Resulting Numbers: [17, 42] Generated Node #0,4,0: 81:[17, 42] Operation: 78-36=42 Exploring Operation: 78+17=95, Resulting Numbers: [36, 95] Generated Node #0,4,1: 81:[36, 95] Operation: 78+17=95 Exploring Operation: 78-17=61, Resulting Numbers: [36, 61] Generated Node #0,4,2: 81:[36, 61] Operation: 78-17=61 Exploring Operation: 36-17=19, Resulting Numbers: [78, 19] Generated Node #0,4,3: 81:[78, 19] Operation: 36-17=19 Exploring Operation: 36+17=53, Resulting Numbers: [78, 53] Generated Node #0,4,4: 81:[78, 53] Operation: 36+17=53 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 81:[78, 19], Operations: ['80-63=17', '36-17=19'] Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,81 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,81 unequal: No Solution No 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: 81:[17, 42], Operations: ['80-63=17', '78-36=42'] Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,81 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,81 unequal: No Solution No 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: 81:[36, 95], Operations: ['80-63=17', '78+17=95'] Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,81 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,81 unequal: No Solution No 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: 81:[36, 61], Operations: ['80-63=17', '78-17=61'] Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,81 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,81 unequal: No Solution No 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: 81:[78, 53], Operations: ['80-63=17', '36+17=53'] Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 78+53=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 78*53=4134, Resulting Numbers: [4134] 4134,81 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: 81:[78, 80, 99], Operations: ['63+36=99'] Exploring Operation: 99-78=21, Resulting Numbers: [80, 21] Generated Node #0,3,0: 81:[80, 21] Operation: 99-78=21 Exploring Operation: 78+80=158, Resulting Numbers: [99, 158] Generated Node #0,3,1: 81:[99, 158] Operation: 78+80=158 Exploring Operation: 80-78=2, Resulting Numbers: [99, 2] Generated Node #0,3,2: 81:[99, 2] Operation: 80-78=2 Exploring Operation: 99-80=19, Resulting Numbers: [78, 19] Generated Node #0,3,3: 81:[78, 19] Operation: 99-80=19 Exploring Operation: 78+99=177, Resulting Numbers: [80, 177] Generated Node #0,3,4: 81:[80, 177] Operation: 78+99=177 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[80, 21], Operations: ['63+36=99', '99-78=21'] Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,81 unequal: No Solution No 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: 81:[78, 19], Operations: ['63+36=99', '99-80=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,81 unequal: No Solution No 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: 81:[99, 2], Operations: ['63+36=99', '80-78=2'] Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,81 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,81 unequal: No Solution No 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: 81:[99, 158], Operations: ['63+36=99', '78+80=158'] Exploring Operation: 158-99=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 99+158=257, Resulting Numbers: [257] 257,81 unequal: No Solution Exploring Operation: 99*158=15642, Resulting Numbers: [15642] 15642,81 unequal: No Solution No 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: 81:[80, 177], Operations: ['63+36=99', '78+99=177'] Exploring Operation: 80*177=14160, Resulting Numbers: [14160] 14160,81 unequal: No Solution Exploring Operation: 80+177=257, Resulting Numbers: [257] 257,81 unequal: No Solution Exploring Operation: 177-80=97, Resulting Numbers: [97] 97,81 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: 81:[63, 36, 2], Operations: ['80-78=2'] Exploring Operation: 36-2=34, Resulting Numbers: [63, 34] Generated Node #0,0,0: 81:[63, 34] Operation: 36-2=34 Exploring Operation: 36*2=72, Resulting Numbers: [63, 72] Generated Node #0,0,1: 81:[63, 72] Operation: 36*2=72 Exploring Operation: 63+36=99, Resulting Numbers: [2, 99] Generated Node #0,0,2: 81:[2, 99] Operation: 63+36=99 Exploring Operation: 63-36=27, Resulting Numbers: [2, 27] Generated Node #0,0,3: 81:[2, 27] Operation: 63-36=27 Exploring Operation: 63+2=65, Resulting Numbers: [36, 65] Generated Node #0,0,4: 81:[36, 65] Operation: 63+2=65 Moving to Node #0,0,3 Current State: 81:[2, 27], Operations: ['80-78=2', '63-36=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[2, 99], Operations: ['80-78=2', '63+36=99'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 2+99=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 2*99=198, Resulting Numbers: [198] 198,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[63, 34], Operations: ['80-78=2', '36-2=34'] Exploring Operation: 63+34=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 63*34=2142, Resulting Numbers: [2142] 2142,81 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,81 unequal: No Solution Moving to Node #0,0,4 Current State: 81:[36, 65], Operations: ['80-78=2', '63+2=65'] Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[63, 72], Operations: ['80-78=2', '36*2=72'] Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,81 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,81 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,81 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
[ 30, 46, 22, 32 ]
42
[ "30-22=8", "32/8=4", "46-4=42" ]
Current State: 42:[30, 46, 22, 32], Operations: [] Exploring Operation: 30-22=8, Resulting Numbers: [46, 32, 8] Generated Node #2: [46, 32, 8] from Operation: 30-22=8 Current State: 42:[46, 32, 8], Operations: ['30-22=8'] Exploring Operation: 32/8=4, Resulting Numbers: [46, 4] Generated Node #3: [46, 4] from Operation: 32/8=4 Current State: 42:[46, 4], Operations: ['30-22=8', '32/8=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[30, 46, 22, 32], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [46, 22, 2] Generated Node #0,0: 42:[46, 22, 2] Operation: 32-30=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[46, 22, 2], Operations: ['32-30=2'] Exploring Operation: 46-22=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 42:[2, 24] Operation: 46-22=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[2, 24], Operations: ['32-30=2', '46-22=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 59, 20, 7 ]
55
[ "59-17=42", "20-7=13", "42+13=55" ]
Current State: 55:[17, 59, 20, 7], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [20, 7, 42] Generated Node #2: [20, 7, 42] from Operation: 59-17=42 Current State: 55:[20, 7, 42], Operations: ['59-17=42'] Exploring Operation: 20-7=13, Resulting Numbers: [42, 13] Generated Node #3: [42, 13] from Operation: 20-7=13 Current State: 55:[42, 13], Operations: ['59-17=42', '20-7=13'] Exploring Operation: 42+13=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[17, 59, 20, 7], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [59, 7, 3] Generated Node #0,0: 55:[59, 7, 3] Operation: 20-17=3 Exploring Operation: 17-7=10, Resulting Numbers: [59, 20, 10] Generated Node #0,1: 55:[59, 20, 10] Operation: 17-7=10 Exploring Operation: 20-7=13, Resulting Numbers: [17, 59, 13] Generated Node #0,2: 55:[17, 59, 13] Operation: 20-7=13 Moving to Node #0,0 Current State: 55:[59, 7, 3], Operations: ['20-17=3'] Exploring Operation: 7+3=10, Resulting Numbers: [59, 10] Generated Node #0,0,0: 55:[59, 10] Operation: 7+3=10 Exploring Operation: 59-3=56, Resulting Numbers: [7, 56] Generated Node #0,0,1: 55:[7, 56] Operation: 59-3=56 Exploring Operation: 59-7=52, Resulting Numbers: [3, 52] Generated Node #0,0,2: 55:[3, 52] Operation: 59-7=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[7, 56], Operations: ['20-17=3', '59-3=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[59, 10], Operations: ['20-17=3', '7+3=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,55 unequal: No Solution Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[3, 52], Operations: ['20-17=3', '59-7=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,55 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[17, 59, 20, 7], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [59, 7, 3] Generated Node #0,0: 55:[59, 7, 3] Operation: 20-17=3 Moving to Node #0,0 Current State: 55:[59, 7, 3], Operations: ['20-17=3'] Exploring Operation: 59-7=52, Resulting Numbers: [3, 52] Generated Node #0,0,2: 55:[3, 52] Operation: 59-7=52 Moving to Node #0,0,2 Current State: 55:[3, 52], Operations: ['20-17=3', '59-7=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 11, 32, 3, 90 ]
82
[ "11*32=352", "3*90=270", "352-270=82" ]
Current State: 82:[11, 32, 3, 90], Operations: [] Exploring Operation: 11*32=352, Resulting Numbers: [3, 90, 352] Generated Node #2: [3, 90, 352] from Operation: 11*32=352 Current State: 82:[3, 90, 352], Operations: ['11*32=352'] Exploring Operation: 3*90=270, Resulting Numbers: [352, 270] Generated Node #3: [352, 270] from Operation: 3*90=270 Current State: 82:[352, 270], Operations: ['11*32=352', '3*90=270'] Exploring Operation: 352-270=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[11, 32, 3, 90], Operations: [] Exploring Operation: 11+32=43, Resulting Numbers: [3, 90, 43] Generated Node #0,0: 82:[3, 90, 43] Operation: 11+32=43 Exploring Operation: 11-3=8, Resulting Numbers: [32, 90, 8] Generated Node #0,1: 82:[32, 90, 8] Operation: 11-3=8 Exploring Operation: 90-11=79, Resulting Numbers: [32, 3, 79] Generated Node #0,2: 82:[32, 3, 79] Operation: 90-11=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[3, 90, 43], Operations: ['11+32=43'] Exploring Operation: 90-43=47, Resulting Numbers: [3, 47] Generated Node #0,0,0: 82:[3, 47] Operation: 90-43=47 Exploring Operation: 43-3=40, Resulting Numbers: [90, 40] Generated Node #0,0,1: 82:[90, 40] Operation: 43-3=40 Exploring Operation: 90-3=87, Resulting Numbers: [43, 87] Generated Node #0,0,2: 82:[43, 87] Operation: 90-3=87 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[3, 47], Operations: ['11+32=43', '90-43=47'] Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,82 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[43, 87], Operations: ['11+32=43', '90-3=87'] Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,82 unequal: No Solution Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[90, 40], Operations: ['11+32=43', '43-3=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[32, 3, 79], Operations: ['90-11=79'] Exploring Operation: 32+3=35, Resulting Numbers: [79, 35] Generated Node #0,2,0: 82:[79, 35] Operation: 32+3=35 Exploring Operation: 79-32=47, Resulting Numbers: [3, 47] Generated Node #0,2,1: 82:[3, 47] Operation: 79-32=47 Exploring Operation: 3+79=82, Resulting Numbers: [32, 82] Generated Node #0,2,2: 82:[32, 82] Operation: 3+79=82 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[3, 47], Operations: ['90-11=79', '79-32=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,82 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[79, 35], Operations: ['90-11=79', '32+3=35'] Exploring Operation: 79+35=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 79*35=2765, Resulting Numbers: [2765] 2765,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[32, 82], Operations: ['90-11=79', '3+79=82'] Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[32, 90, 8], Operations: ['11-3=8'] Exploring Operation: 32/8=4, Resulting Numbers: [90, 4] Generated Node #0,1,0: 82:[90, 4] Operation: 32/8=4 Exploring Operation: 90-8=82, Resulting Numbers: [32, 82] Generated Node #0,1,1: 82:[32, 82] Operation: 90-8=82 Exploring Operation: 32+8=40, Resulting Numbers: [90, 40] Generated Node #0,1,2: 82:[90, 40] Operation: 32+8=40 Moving to Node #0,1,1 Current State: 82:[32, 82], Operations: ['11-3=8', '90-8=82'] Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,82 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[90, 40], Operations: ['11-3=8', '32+8=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[90, 4], Operations: ['11-3=8', '32/8=4'] Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,82 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,82 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
[ 15, 17, 3, 1 ]
68
[ "15/3=5", "5-1=4", "17*4=68" ]
Current State: 68:[15, 17, 3, 1], Operations: [] Exploring Operation: 15/3=5, Resulting Numbers: [17, 1, 5] Generated Node #2: [17, 1, 5] from Operation: 15/3=5 Current State: 68:[17, 1, 5], Operations: ['15/3=5'] Exploring Operation: 5-1=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 5-1=4 Current State: 68:[17, 4], Operations: ['15/3=5', '5-1=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[15, 17, 3, 1], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [3, 1, 2] Generated Node #0,0: 68:[3, 1, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[3, 1, 2], Operations: ['17-15=2'] Exploring Operation: 3+1=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 68:[2, 4] Operation: 3+1=4 Moving to Node #0,0,0 Current State: 68:[2, 4], Operations: ['17-15=2', '3+1=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,68 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
[ 25, 4, 62, 16 ]
91
[ "25+62=87", "16/4=4", "87+4=91" ]
Current State: 91:[25, 4, 62, 16], Operations: [] Exploring Operation: 25+62=87, Resulting Numbers: [4, 16, 87] Generated Node #2: [4, 16, 87] from Operation: 25+62=87 Current State: 91:[4, 16, 87], Operations: ['25+62=87'] Exploring Operation: 16/4=4, Resulting Numbers: [87, 4] Generated Node #3: [87, 4] from Operation: 16/4=4 Current State: 91:[87, 4], Operations: ['25+62=87', '16/4=4'] Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[25, 4, 62, 16], Operations: [] Exploring Operation: 25+62=87, Resulting Numbers: [4, 16, 87] Generated Node #0,0: 91:[4, 16, 87] Operation: 25+62=87 Exploring Operation: 62+16=78, Resulting Numbers: [25, 4, 78] Generated Node #0,1: 91:[25, 4, 78] Operation: 62+16=78 Exploring Operation: 25-16=9, Resulting Numbers: [4, 62, 9] Generated Node #0,2: 91:[4, 62, 9] Operation: 25-16=9 Exploring Operation: 62-25=37, Resulting Numbers: [4, 16, 37] Generated Node #0,3: 91:[4, 16, 37] Operation: 62-25=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[4, 16, 87], Operations: ['25+62=87'] Exploring Operation: 4+16=20, Resulting Numbers: [87, 20] Generated Node #0,0,0: 91:[87, 20] Operation: 4+16=20 Exploring Operation: 16/4=4, Resulting Numbers: [87, 4] Generated Node #0,0,1: 91:[87, 4] Operation: 16/4=4 Exploring Operation: 4+87=91, Resulting Numbers: [16, 91] Generated Node #0,0,2: 91:[16, 91] Operation: 4+87=91 Exploring Operation: 16-4=12, Resulting Numbers: [87, 12] Generated Node #0,0,3: 91:[87, 12] Operation: 16-4=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[16, 91], Operations: ['25+62=87', '4+87=91'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,91 unequal: No Solution Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,91 unequal: No Solution No 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: 91:[87, 12], Operations: ['25+62=87', '16-4=12'] Exploring Operation: 87+12=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 87*12=1044, Resulting Numbers: [1044] 1044,91 unequal: No Solution No 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: 91:[87, 4], Operations: ['25+62=87', '16/4=4'] Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,91 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,91 unequal: No Solution Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[25, 4, 62, 16], Operations: [] Exploring Operation: 25+62=87, Resulting Numbers: [4, 16, 87] Generated Node #0,0: 91:[4, 16, 87] Operation: 25+62=87 Moving to Node #0,0 Current State: 91:[4, 16, 87], Operations: ['25+62=87'] Exploring Operation: 16/4=4, Resulting Numbers: [87, 4] Generated Node #0,0,1: 91:[87, 4] Operation: 16/4=4 Moving to Node #0,0,1 Current State: 91:[87, 4], Operations: ['25+62=87', '16/4=4'] Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 83, 36, 57, 14 ]
26
[ "83+57=140", "140/14=10", "36-10=26" ]
Current State: 26:[83, 36, 57, 14], Operations: [] Exploring Operation: 83+57=140, Resulting Numbers: [36, 14, 140] Generated Node #2: [36, 14, 140] from Operation: 83+57=140 Current State: 26:[36, 14, 140], Operations: ['83+57=140'] Exploring Operation: 140/14=10, Resulting Numbers: [36, 10] Generated Node #3: [36, 10] from Operation: 140/14=10 Current State: 26:[36, 10], Operations: ['83+57=140', '140/14=10'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[83, 36, 57, 14], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [83, 14, 21] Generated Node #0,0: 26:[83, 14, 21] Operation: 57-36=21 Exploring Operation: 83-14=69, Resulting Numbers: [36, 57, 69] Generated Node #0,1: 26:[36, 57, 69] Operation: 83-14=69 Exploring Operation: 57-14=43, Resulting Numbers: [83, 36, 43] Generated Node #0,2: 26:[83, 36, 43] Operation: 57-14=43 Exploring Operation: 83-57=26, Resulting Numbers: [36, 14, 26] Generated Node #0,3: 26:[36, 14, 26] Operation: 83-57=26 Exploring Operation: 83-36=47, Resulting Numbers: [57, 14, 47] Generated Node #0,4: 26:[57, 14, 47] Operation: 83-36=47 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[36, 14, 26], Operations: ['83-57=26'] Exploring Operation: 26-14=12, Resulting Numbers: [36, 12] Generated Node #0,3,0: 26:[36, 12] Operation: 26-14=12 Exploring Operation: 36-14=22, Resulting Numbers: [26, 22] Generated Node #0,3,1: 26:[26, 22] Operation: 36-14=22 Exploring Operation: 36+14=50, Resulting Numbers: [26, 50] Generated Node #0,3,2: 26:[26, 50] Operation: 36+14=50 Exploring Operation: 14+26=40, Resulting Numbers: [36, 40] Generated Node #0,3,3: 26:[36, 40] Operation: 14+26=40 Exploring Operation: 36-26=10, Resulting Numbers: [14, 10] Generated Node #0,3,4: 26:[14, 10] Operation: 36-26=10 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[26, 22], Operations: ['83-57=26', '36-14=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,26 unequal: No Solution No 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: 26:[14, 10], Operations: ['83-57=26', '36-26=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,26 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,26 unequal: No Solution No 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: 26:[36, 12], Operations: ['83-57=26', '26-14=12'] Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,26 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,26 unequal: No Solution No 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: 26:[26, 50], Operations: ['83-57=26', '36+14=50'] Exploring Operation: 26+50=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 26*50=1300, Resulting Numbers: [1300] 1300,26 unequal: No Solution No 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: 26:[36, 40], Operations: ['83-57=26', '14+26=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,26 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,26 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: 26:[57, 14, 47], Operations: ['83-36=47'] Exploring Operation: 57-47=10, Resulting Numbers: [14, 10] Generated Node #0,4,0: 26:[14, 10] Operation: 57-47=10 Exploring Operation: 47-14=33, Resulting Numbers: [57, 33] Generated Node #0,4,1: 26:[57, 33] Operation: 47-14=33 Exploring Operation: 57-14=43, Resulting Numbers: [47, 43] Generated Node #0,4,2: 26:[47, 43] Operation: 57-14=43 Exploring Operation: 14+47=61, Resulting Numbers: [57, 61] Generated Node #0,4,3: 26:[57, 61] Operation: 14+47=61 Exploring Operation: 57+14=71, Resulting Numbers: [47, 71] Generated Node #0,4,4: 26:[47, 71] Operation: 57+14=71 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 26:[14, 10], Operations: ['83-36=47', '57-47=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,26 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,26 unequal: No Solution No 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: 26:[57, 33], Operations: ['83-36=47', '47-14=33'] Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,26 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,26 unequal: No Solution No 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: 26:[47, 43], Operations: ['83-36=47', '57-14=43'] Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,26 unequal: No Solution Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,26 unequal: No Solution No 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: 26:[57, 61], Operations: ['83-36=47', '14+47=61'] Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,26 unequal: No Solution Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,26 unequal: No Solution No 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: 26:[47, 71], Operations: ['83-36=47', '57+14=71'] Exploring Operation: 47+71=118, Resulting Numbers: [118] 118,26 unequal: No Solution Exploring Operation: 47*71=3337, Resulting Numbers: [3337] 3337,26 unequal: No Solution Exploring Operation: 71-47=24, Resulting Numbers: [24] 24,26 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: 26:[83, 14, 21], Operations: ['57-36=21'] Exploring Operation: 21-14=7, Resulting Numbers: [83, 7] Generated Node #0,0,0: 26:[83, 7] Operation: 21-14=7 Exploring Operation: 83-21=62, Resulting Numbers: [14, 62] Generated Node #0,0,1: 26:[14, 62] Operation: 83-21=62 Exploring Operation: 83+14=97, Resulting Numbers: [21, 97] Generated Node #0,0,2: 26:[21, 97] Operation: 83+14=97 Exploring Operation: 83-14=69, Resulting Numbers: [21, 69] Generated Node #0,0,3: 26:[21, 69] Operation: 83-14=69 Exploring Operation: 14+21=35, Resulting Numbers: [83, 35] Generated Node #0,0,4: 26:[83, 35] Operation: 14+21=35 Moving to Node #0,0,1 Current State: 26:[14, 62], Operations: ['57-36=21', '83-21=62'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 14*62=868, Resulting Numbers: [868] 868,26 unequal: No Solution Exploring Operation: 14+62=76, Resulting Numbers: [76] 76,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[21, 69], Operations: ['57-36=21', '83-14=69'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[83, 7], Operations: ['57-36=21', '21-14=7'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,26 unequal: No Solution Moving to Node #0,0,4 Current State: 26:[83, 35], Operations: ['57-36=21', '14+21=35'] Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,26 unequal: No Solution Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[21, 97], Operations: ['57-36=21', '83+14=97'] Exploring Operation: 97-21=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 21+97=118, Resulting Numbers: [118] 118,26 unequal: No Solution Exploring Operation: 21*97=2037, Resulting Numbers: [2037] 2037,26 unequal: No Solution No 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: 26:[36, 57, 69], Operations: ['83-14=69'] Exploring Operation: 69-36=33, Resulting Numbers: [57, 33] Generated Node #0,1,0: 26:[57, 33] Operation: 69-36=33 Exploring Operation: 36+69=105, Resulting Numbers: [57, 105] Generated Node #0,1,1: 26:[57, 105] Operation: 36+69=105 Exploring Operation: 57-36=21, Resulting Numbers: [69, 21] Generated Node #0,1,2: 26:[69, 21] Operation: 57-36=21 Exploring Operation: 36+57=93, Resulting Numbers: [69, 93] Generated Node #0,1,3: 26:[69, 93] Operation: 36+57=93 Exploring Operation: 69-57=12, Resulting Numbers: [36, 12] Generated Node #0,1,4: 26:[36, 12] Operation: 69-57=12 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 26:[36, 12], Operations: ['83-14=69', '69-57=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,26 unequal: No Solution No 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: 26:[57, 33], Operations: ['83-14=69', '69-36=33'] Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,26 unequal: No Solution Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,26 unequal: No Solution No 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: 26:[69, 21], Operations: ['83-14=69', '57-36=21'] Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,26 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,26 unequal: No Solution No 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: 26:[57, 105], Operations: ['83-14=69', '36+69=105'] Exploring Operation: 57*105=5985, Resulting Numbers: [5985] 5985,26 unequal: No Solution Exploring Operation: 57+105=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 105-57=48, Resulting Numbers: [48] 48,26 unequal: No Solution No 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: 26:[69, 93], Operations: ['83-14=69', '36+57=93'] Exploring Operation: 93-69=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 69+93=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 69*93=6417, Resulting Numbers: [6417] 6417,26 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: 26:[83, 36, 43], Operations: ['57-14=43'] Exploring Operation: 83-36=47, Resulting Numbers: [43, 47] Generated Node #0,2,0: 26:[43, 47] Operation: 83-36=47 Exploring Operation: 83-43=40, Resulting Numbers: [36, 40] Generated Node #0,2,1: 26:[36, 40] Operation: 83-43=40 Exploring Operation: 83+36=119, Resulting Numbers: [43, 119] Generated Node #0,2,2: 26:[43, 119] Operation: 83+36=119 Exploring Operation: 83+43=126, Resulting Numbers: [36, 126] Generated Node #0,2,3: 26:[36, 126] Operation: 83+43=126 Exploring Operation: 43-36=7, Resulting Numbers: [83, 7] Generated Node #0,2,4: 26:[83, 7] Operation: 43-36=7 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[36, 40], Operations: ['57-14=43', '83-43=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,26 unequal: No Solution No 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: 26:[43, 47], Operations: ['57-14=43', '83-36=47'] Exploring Operation: 43*47=2021, Resulting Numbers: [2021] 2021,26 unequal: No Solution Exploring Operation: 43+47=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,26 unequal: No Solution No 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: 26:[83, 7], Operations: ['57-14=43', '43-36=7'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,26 unequal: No Solution No 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: 26:[43, 119], Operations: ['57-14=43', '83+36=119'] Exploring Operation: 119-43=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 43+119=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 43*119=5117, Resulting Numbers: [5117] 5117,26 unequal: No Solution No 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: 26:[36, 126], Operations: ['57-14=43', '83+43=126'] Exploring Operation: 126-36=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 36*126=4536, Resulting Numbers: [4536] 4536,26 unequal: No Solution Exploring Operation: 36+126=162, Resulting Numbers: [162] 162,26 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
[ 7, 96, 24, 59 ]
87
[ "7*96=672", "672/24=28", "59+28=87" ]
Current State: 87:[7, 96, 24, 59], Operations: [] Exploring Operation: 7*96=672, Resulting Numbers: [24, 59, 672] Generated Node #2: [24, 59, 672] from Operation: 7*96=672 Current State: 87:[24, 59, 672], Operations: ['7*96=672'] Exploring Operation: 672/24=28, Resulting Numbers: [59, 28] Generated Node #3: [59, 28] from Operation: 672/24=28 Current State: 87:[59, 28], Operations: ['7*96=672', '672/24=28'] Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[7, 96, 24, 59], Operations: [] Exploring Operation: 96-59=37, Resulting Numbers: [7, 24, 37] Generated Node #0,0: 87:[7, 24, 37] Operation: 96-59=37 Moving to Node #0,0 Current State: 87:[7, 24, 37], Operations: ['96-59=37'] Exploring Operation: 37-7=30, Resulting Numbers: [24, 30] Generated Node #0,0,0: 87:[24, 30] Operation: 37-7=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[24, 30], Operations: ['96-59=37', '37-7=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,87 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
[ 31, 23, 41, 36 ]
62
[ "31*36=1116", "41-23=18", "1116/18=62" ]
Current State: 62:[31, 23, 41, 36], Operations: [] Exploring Operation: 31*36=1116, Resulting Numbers: [23, 41, 1116] Generated Node #2: [23, 41, 1116] from Operation: 31*36=1116 Current State: 62:[23, 41, 1116], Operations: ['31*36=1116'] Exploring Operation: 41-23=18, Resulting Numbers: [1116, 18] Generated Node #3: [1116, 18] from Operation: 41-23=18 Current State: 62:[1116, 18], Operations: ['31*36=1116', '41-23=18'] Exploring Operation: 1116/18=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[31, 23, 41, 36], Operations: [] Exploring Operation: 41-36=5, Resulting Numbers: [31, 23, 5] Generated Node #0,0: 62:[31, 23, 5] Operation: 41-36=5 Exploring Operation: 23+41=64, Resulting Numbers: [31, 36, 64] Generated Node #0,1: 62:[31, 36, 64] Operation: 23+41=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[31, 36, 64], Operations: ['23+41=64'] Exploring Operation: 36-31=5, Resulting Numbers: [64, 5] Generated Node #0,1,0: 62:[64, 5] Operation: 36-31=5 Exploring Operation: 64-36=28, Resulting Numbers: [31, 28] Generated Node #0,1,1: 62:[31, 28] Operation: 64-36=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[31, 28], Operations: ['23+41=64', '64-36=28'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,62 unequal: No Solution No 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: 62:[64, 5], Operations: ['23+41=64', '36-31=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,62 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: 62:[31, 23, 5], Operations: ['41-36=5'] Exploring Operation: 31-23=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 62:[5, 8] Operation: 31-23=8 Exploring Operation: 23+5=28, Resulting Numbers: [31, 28] Generated Node #0,0,1: 62:[31, 28] Operation: 23+5=28 Moving to Node #0,0,1 Current State: 62:[31, 28], Operations: ['41-36=5', '23+5=28'] Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[5, 8], Operations: ['41-36=5', '31-23=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 2, 74, 75, 95 ]
41
[ "2*95=190", "74+75=149", "190-149=41" ]
Current State: 41:[2, 74, 75, 95], Operations: [] Exploring Operation: 2*95=190, Resulting Numbers: [74, 75, 190] Generated Node #2: [74, 75, 190] from Operation: 2*95=190 Current State: 41:[74, 75, 190], Operations: ['2*95=190'] Exploring Operation: 74+75=149, Resulting Numbers: [190, 149] Generated Node #3: [190, 149] from Operation: 74+75=149 Current State: 41:[190, 149], Operations: ['2*95=190', '74+75=149'] Exploring Operation: 190-149=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[2, 74, 75, 95], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [75, 95, 37] Generated Node #0,0: 41:[75, 95, 37] Operation: 74/2=37 Exploring Operation: 95-75=20, Resulting Numbers: [2, 74, 20] Generated Node #0,1: 41:[2, 74, 20] Operation: 95-75=20 Exploring Operation: 95-74=21, Resulting Numbers: [2, 75, 21] Generated Node #0,2: 41:[2, 75, 21] Operation: 95-74=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[75, 95, 37], Operations: ['74/2=37'] Exploring Operation: 95-37=58, Resulting Numbers: [75, 58] Generated Node #0,0,0: 41:[75, 58] Operation: 95-37=58 Exploring Operation: 95-75=20, Resulting Numbers: [37, 20] Generated Node #0,0,1: 41:[37, 20] Operation: 95-75=20 Exploring Operation: 75-37=38, Resulting Numbers: [95, 38] Generated Node #0,0,2: 41:[95, 38] Operation: 75-37=38 Moving to Node #0,0,1 Current State: 41:[37, 20], Operations: ['74/2=37', '95-75=20'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,41 unequal: No Solution Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,41 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[75, 58], Operations: ['74/2=37', '95-37=58'] Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,41 unequal: No Solution Exploring Operation: 75*58=4350, Resulting Numbers: [4350] 4350,41 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[95, 38], Operations: ['74/2=37', '75-37=38'] Exploring Operation: 95+38=133, Resulting Numbers: [133] 133,41 unequal: No Solution Exploring Operation: 95-38=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 95*38=3610, Resulting Numbers: [3610] 3610,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[2, 74, 20], Operations: ['95-75=20'] Exploring Operation: 74-2=72, Resulting Numbers: [20, 72] Generated Node #0,1,0: 41:[20, 72] Operation: 74-2=72 Exploring Operation: 74/2=37, Resulting Numbers: [20, 37] Generated Node #0,1,1: 41:[20, 37] Operation: 74/2=37 Exploring Operation: 2*20=40, Resulting Numbers: [74, 40] Generated Node #0,1,2: 41:[74, 40] Operation: 2*20=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[20, 37], Operations: ['95-75=20', '74/2=37'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,41 unequal: No Solution Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,41 unequal: No Solution No 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: 41:[74, 40], Operations: ['95-75=20', '2*20=40'] Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,41 unequal: No Solution Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,41 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,41 unequal: No Solution No 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: 41:[20, 72], Operations: ['95-75=20', '74-2=72'] Exploring Operation: 20+72=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 20*72=1440, Resulting Numbers: [1440] 1440,41 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: 41:[2, 75, 21], Operations: ['95-74=21'] Exploring Operation: 2*21=42, Resulting Numbers: [75, 42] Generated Node #0,2,0: 41:[75, 42] Operation: 2*21=42 Exploring Operation: 2+21=23, Resulting Numbers: [75, 23] Generated Node #0,2,1: 41:[75, 23] Operation: 2+21=23 Exploring Operation: 75-2=73, Resulting Numbers: [21, 73] Generated Node #0,2,2: 41:[21, 73] Operation: 75-2=73 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 41:[75, 42], Operations: ['95-74=21', '2*21=42'] Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,41 unequal: No Solution Exploring Operation: 75*42=3150, Resulting Numbers: [3150] 3150,41 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,41 unequal: No Solution No 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: 41:[75, 23], Operations: ['95-74=21', '2+21=23'] Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,41 unequal: No Solution Exploring Operation: 75*23=1725, Resulting Numbers: [1725] 1725,41 unequal: No Solution No 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: 41:[21, 73], Operations: ['95-74=21', '75-2=73'] Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,41 unequal: No Solution Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,41 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
[ 92, 4, 60, 2 ]
68
[ "92-60=32", "2*32=64", "4+64=68" ]
Current State: 68:[92, 4, 60, 2], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [4, 2, 32] Generated Node #2: [4, 2, 32] from Operation: 92-60=32 Current State: 68:[4, 2, 32], Operations: ['92-60=32'] Exploring Operation: 2*32=64, Resulting Numbers: [4, 64] Generated Node #3: [4, 64] from Operation: 2*32=64 Current State: 68:[4, 64], Operations: ['92-60=32', '2*32=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[92, 4, 60, 2], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [4, 2, 32] Generated Node #0,0: 68:[4, 2, 32] Operation: 92-60=32 Exploring Operation: 92/4=23, Resulting Numbers: [60, 2, 23] Generated Node #0,1: 68:[60, 2, 23] Operation: 92/4=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[4, 2, 32], Operations: ['92-60=32'] Exploring Operation: 2+32=34, Resulting Numbers: [4, 34] Generated Node #0,0,0: 68:[4, 34] Operation: 2+32=34 Exploring Operation: 32/2=16, Resulting Numbers: [4, 16] Generated Node #0,0,1: 68:[4, 16] Operation: 32/2=16 Moving to Node #0,0,0 Current State: 68:[4, 34], Operations: ['92-60=32', '2+32=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,68 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[4, 16], Operations: ['92-60=32', '32/2=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[60, 2, 23], Operations: ['92/4=23'] Exploring Operation: 60/2=30, Resulting Numbers: [23, 30] Generated Node #0,1,0: 68:[23, 30] Operation: 60/2=30 Exploring Operation: 60-23=37, Resulting Numbers: [2, 37] Generated Node #0,1,1: 68:[2, 37] Operation: 60-23=37 Moving to Node #0,1,1 Current State: 68:[2, 37], Operations: ['92/4=23', '60-23=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[23, 30], Operations: ['92/4=23', '60/2=30'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 7, 88, 99, 85 ]
40
[ "88-85=3", "99/3=33", "7+33=40" ]
Current State: 40:[7, 88, 99, 85], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [7, 99, 3] Generated Node #2: [7, 99, 3] from Operation: 88-85=3 Current State: 40:[7, 99, 3], Operations: ['88-85=3'] Exploring Operation: 99/3=33, Resulting Numbers: [7, 33] Generated Node #3: [7, 33] from Operation: 99/3=33 Current State: 40:[7, 33], Operations: ['88-85=3', '99/3=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[7, 88, 99, 85], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [7, 85, 11] Generated Node #0,0: 40:[7, 85, 11] Operation: 99-88=11 Moving to Node #0,0 Current State: 40:[7, 85, 11], Operations: ['99-88=11'] Exploring Operation: 85-11=74, Resulting Numbers: [7, 74] Generated Node #0,0,0: 40:[7, 74] Operation: 85-11=74 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[7, 74], Operations: ['99-88=11', '85-11=74'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 42, 79, 39, 39 ]
41
[ "79-42=37", "39+39=78", "78-37=41" ]
Current State: 41:[42, 79, 39, 39], Operations: [] Exploring Operation: 79-42=37, Resulting Numbers: [39, 39, 37] Generated Node #2: [39, 39, 37] from Operation: 79-42=37 Current State: 41:[39, 39, 37], Operations: ['79-42=37'] Exploring Operation: 39+39=78, Resulting Numbers: [37, 78] Generated Node #3: [37, 78] from Operation: 39+39=78 Current State: 41:[37, 78], Operations: ['79-42=37', '39+39=78'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[42, 79, 39, 39], Operations: [] Exploring Operation: 79-39=40, Resulting Numbers: [42, 39, 40] Generated Node #0,0: 41:[42, 39, 40] Operation: 79-39=40 Exploring Operation: 79-39=40, Resulting Numbers: [42, 39, 40] Generated Node #0,1: 41:[42, 39, 40] Operation: 79-39=40 Exploring Operation: 79-42=37, Resulting Numbers: [39, 39, 37] Generated Node #0,2: 41:[39, 39, 37] Operation: 79-42=37 Moving to Node #0,0 Current State: 41:[42, 39, 40], Operations: ['79-39=40'] Exploring Operation: 39+40=79, Resulting Numbers: [42, 79] Generated Node #0,0,0: 41:[42, 79] Operation: 39+40=79 Exploring Operation: 42-39=3, Resulting Numbers: [40, 3] Generated Node #0,0,1: 41:[40, 3] Operation: 42-39=3 Exploring Operation: 42+39=81, Resulting Numbers: [40, 81] Generated Node #0,0,2: 41:[40, 81] Operation: 42+39=81 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[42, 79], Operations: ['79-39=40', '39+40=79'] Exploring Operation: 42+79=121, Resulting Numbers: [121] 121,41 unequal: No Solution Exploring Operation: 42*79=3318, Resulting Numbers: [3318] 3318,41 unequal: No Solution Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[40, 3], Operations: ['79-39=40', '42-39=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,41 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[40, 81], Operations: ['79-39=40', '42+39=81'] Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,41 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,41 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[42, 79, 39, 39], Operations: [] Exploring Operation: 79-39=40, Resulting Numbers: [42, 39, 40] Generated Node #0,0: 41:[42, 39, 40] Operation: 79-39=40 Moving to Node #0,0 Current State: 41:[42, 39, 40], Operations: ['79-39=40'] Exploring Operation: 42+39=81, Resulting Numbers: [40, 81] Generated Node #0,0,2: 41:[40, 81] Operation: 42+39=81 Moving to Node #0,0,2 Current State: 41:[40, 81], Operations: ['79-39=40', '42+39=81'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 84, 17, 53, 79 ]
65
[ "84-17=67", "53+79=132", "132-67=65" ]
Current State: 65:[84, 17, 53, 79], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [53, 79, 67] Generated Node #2: [53, 79, 67] from Operation: 84-17=67 Current State: 65:[53, 79, 67], Operations: ['84-17=67'] Exploring Operation: 53+79=132, Resulting Numbers: [67, 132] Generated Node #3: [67, 132] from Operation: 53+79=132 Current State: 65:[67, 132], Operations: ['84-17=67', '53+79=132'] Exploring Operation: 132-67=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[84, 17, 53, 79], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [17, 53, 5] Generated Node #0,0: 65:[17, 53, 5] Operation: 84-79=5 Exploring Operation: 84-53=31, Resulting Numbers: [17, 79, 31] Generated Node #0,1: 65:[17, 79, 31] Operation: 84-53=31 Exploring Operation: 79-17=62, Resulting Numbers: [84, 53, 62] Generated Node #0,2: 65:[84, 53, 62] Operation: 79-17=62 Exploring Operation: 84-17=67, Resulting Numbers: [53, 79, 67] Generated Node #0,3: 65:[53, 79, 67] Operation: 84-17=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[17, 53, 5], Operations: ['84-79=5'] Exploring Operation: 17-5=12, Resulting Numbers: [53, 12] Generated Node #0,0,0: 65:[53, 12] Operation: 17-5=12 Exploring Operation: 53+5=58, Resulting Numbers: [17, 58] Generated Node #0,0,1: 65:[17, 58] Operation: 53+5=58 Exploring Operation: 17+53=70, Resulting Numbers: [5, 70] Generated Node #0,0,2: 65:[5, 70] Operation: 17+53=70 Exploring Operation: 17+5=22, Resulting Numbers: [53, 22] Generated Node #0,0,3: 65:[53, 22] Operation: 17+5=22 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[5, 70], Operations: ['84-79=5', '17+53=70'] Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,65 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[84, 17, 53, 79], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [17, 53, 5] Generated Node #0,0: 65:[17, 53, 5] Operation: 84-79=5 Moving to Node #0,0 Current State: 65:[17, 53, 5], Operations: ['84-79=5'] Exploring Operation: 17+53=70, Resulting Numbers: [5, 70] Generated Node #0,0,2: 65:[5, 70] Operation: 17+53=70 Moving to Node #0,0,2 Current State: 65:[5, 70], Operations: ['84-79=5', '17+53=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 34, 85, 32, 55 ]
28
[ "85-34=51", "55-32=23", "51-23=28" ]
Current State: 28:[34, 85, 32, 55], Operations: [] Exploring Operation: 85-34=51, Resulting Numbers: [32, 55, 51] Generated Node #2: [32, 55, 51] from Operation: 85-34=51 Current State: 28:[32, 55, 51], Operations: ['85-34=51'] Exploring Operation: 55-32=23, Resulting Numbers: [51, 23] Generated Node #3: [51, 23] from Operation: 55-32=23 Current State: 28:[51, 23], Operations: ['85-34=51', '55-32=23'] Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[34, 85, 32, 55], Operations: [] Exploring Operation: 55-34=21, Resulting Numbers: [85, 32, 21] Generated Node #0,0: 28:[85, 32, 21] Operation: 55-34=21 Exploring Operation: 85-32=53, Resulting Numbers: [34, 55, 53] Generated Node #0,1: 28:[34, 55, 53] Operation: 85-32=53 Exploring Operation: 85-34=51, Resulting Numbers: [32, 55, 51] Generated Node #0,2: 28:[32, 55, 51] Operation: 85-34=51 Exploring Operation: 85-55=30, Resulting Numbers: [34, 32, 30] Generated Node #0,3: 28:[34, 32, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[34, 32, 30], Operations: ['85-55=30'] Exploring Operation: 34+32=66, Resulting Numbers: [30, 66] Generated Node #0,3,0: 28:[30, 66] Operation: 34+32=66 Exploring Operation: 34-30=4, Resulting Numbers: [32, 4] Generated Node #0,3,1: 28:[32, 4] Operation: 34-30=4 Exploring Operation: 32-30=2, Resulting Numbers: [34, 2] Generated Node #0,3,2: 28:[34, 2] Operation: 32-30=2 Exploring Operation: 34-32=2, Resulting Numbers: [30, 2] Generated Node #0,3,3: 28:[30, 2] Operation: 34-32=2 Moving to Node #0,3,3 Current State: 28:[30, 2], Operations: ['85-55=30', '34-32=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[34, 85, 32, 55], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [34, 32, 30] Generated Node #0,3: 28:[34, 32, 30] Operation: 85-55=30 Moving to Node #0,3 Current State: 28:[34, 32, 30], Operations: ['85-55=30'] Exploring Operation: 34-32=2, Resulting Numbers: [30, 2] Generated Node #0,3,3: 28:[30, 2] Operation: 34-32=2 Moving to Node #0,3,3 Current State: 28:[30, 2], Operations: ['85-55=30', '34-32=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 58, 58, 13, 4 ]
51
[ "58/58=1", "13*4=52", "52-1=51" ]
Current State: 51:[58, 58, 13, 4], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [13, 4, 1] Generated Node #2: [13, 4, 1] from Operation: 58/58=1 Current State: 51:[13, 4, 1], Operations: ['58/58=1'] Exploring Operation: 13*4=52, Resulting Numbers: [1, 52] Generated Node #3: [1, 52] from Operation: 13*4=52 Current State: 51:[1, 52], Operations: ['58/58=1', '13*4=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[58, 58, 13, 4], Operations: [] Exploring Operation: 58-13=45, Resulting Numbers: [58, 4, 45] Generated Node #0,0: 51:[58, 4, 45] Operation: 58-13=45 Exploring Operation: 58-58=0, Resulting Numbers: [13, 4, 0] Generated Node #0,1: 51:[13, 4, 0] Operation: 58-58=0 Exploring Operation: 58/58=1, Resulting Numbers: [13, 4, 1] Generated Node #0,2: 51:[13, 4, 1] Operation: 58/58=1 Exploring Operation: 58-4=54, Resulting Numbers: [58, 13, 54] Generated Node #0,3: 51:[58, 13, 54] Operation: 58-4=54 Exploring Operation: 58-13=45, Resulting Numbers: [58, 4, 45] Generated Node #0,4: 51:[58, 4, 45] Operation: 58-13=45 Moving to Node #0,2 Current State: 51:[13, 4, 1], Operations: ['58/58=1'] Exploring Operation: 13+4=17, Resulting Numbers: [1, 17] Generated Node #0,2,0: 51:[1, 17] Operation: 13+4=17 Exploring Operation: 4-1=3, Resulting Numbers: [13, 3] Generated Node #0,2,1: 51:[13, 3] Operation: 4-1=3 Exploring Operation: 13*4=52, Resulting Numbers: [1, 52] Generated Node #0,2,2: 51:[1, 52] Operation: 13*4=52 Exploring Operation: 13+1=14, Resulting Numbers: [4, 14] Generated Node #0,2,3: 51:[4, 14] Operation: 13+1=14 Exploring Operation: 13*1=13, Resulting Numbers: [4, 13] Generated Node #0,2,4: 51:[4, 13] Operation: 13*1=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[1, 17], Operations: ['58/58=1', '13+4=17'] Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,51 unequal: No Solution No 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: 51:[1, 52], Operations: ['58/58=1', '13*4=52'] Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[58, 58, 13, 4], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [13, 4, 1] Generated Node #0,2: 51:[13, 4, 1] Operation: 58/58=1 Moving to Node #0,2 Current State: 51:[13, 4, 1], Operations: ['58/58=1'] Exploring Operation: 13*4=52, Resulting Numbers: [1, 52] Generated Node #0,2,2: 51:[1, 52] Operation: 13*4=52 Moving to Node #0,2,2 Current State: 51:[1, 52], Operations: ['58/58=1', '13*4=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 7, 84, 18, 76 ]
38
[ "84-76=8", "7*8=56", "56-18=38" ]
Current State: 38:[7, 84, 18, 76], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [7, 18, 8] Generated Node #2: [7, 18, 8] from Operation: 84-76=8 Current State: 38:[7, 18, 8], Operations: ['84-76=8'] Exploring Operation: 7*8=56, Resulting Numbers: [18, 56] Generated Node #3: [18, 56] from Operation: 7*8=56 Current State: 38:[18, 56], Operations: ['84-76=8', '7*8=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[7, 84, 18, 76], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [7, 18, 8] Generated Node #0,0: 38:[7, 18, 8] Operation: 84-76=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[7, 18, 8], Operations: ['84-76=8'] Exploring Operation: 8-7=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 38:[18, 1] Operation: 8-7=1 Moving to Node #0,0,0 Current State: 38:[18, 1], Operations: ['84-76=8', '8-7=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,38 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
[ 69, 69, 22, 18 ]
41
[ "69/69=1", "22+18=40", "1+40=41" ]
Current State: 41:[69, 69, 22, 18], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [22, 18, 1] Generated Node #2: [22, 18, 1] from Operation: 69/69=1 Current State: 41:[22, 18, 1], Operations: ['69/69=1'] Exploring Operation: 22+18=40, Resulting Numbers: [1, 40] Generated Node #3: [1, 40] from Operation: 22+18=40 Current State: 41:[1, 40], Operations: ['69/69=1', '22+18=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[69, 69, 22, 18], Operations: [] Exploring Operation: 69-22=47, Resulting Numbers: [69, 18, 47] Generated Node #0,0: 41:[69, 18, 47] Operation: 69-22=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[69, 18, 47], Operations: ['69-22=47'] Exploring Operation: 69-18=51, Resulting Numbers: [47, 51] Generated Node #0,0,0: 41:[47, 51] Operation: 69-18=51 Moving to Node #0,0,0 Current State: 41:[47, 51], Operations: ['69-22=47', '69-18=51'] Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,41 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
[ 60, 49, 22, 6 ]
23
[ "60+49=109", "22*6=132", "132-109=23" ]
Current State: 23:[60, 49, 22, 6], Operations: [] Exploring Operation: 60+49=109, Resulting Numbers: [22, 6, 109] Generated Node #2: [22, 6, 109] from Operation: 60+49=109 Current State: 23:[22, 6, 109], Operations: ['60+49=109'] Exploring Operation: 22*6=132, Resulting Numbers: [109, 132] Generated Node #3: [109, 132] from Operation: 22*6=132 Current State: 23:[109, 132], Operations: ['60+49=109', '22*6=132'] Exploring Operation: 132-109=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[60, 49, 22, 6], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [22, 6, 11] Generated Node #0,0: 23:[22, 6, 11] Operation: 60-49=11 Exploring Operation: 60-22=38, Resulting Numbers: [49, 6, 38] Generated Node #0,1: 23:[49, 6, 38] Operation: 60-22=38 Exploring Operation: 60/6=10, Resulting Numbers: [49, 22, 10] Generated Node #0,2: 23:[49, 22, 10] Operation: 60/6=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[22, 6, 11], Operations: ['60-49=11'] Exploring Operation: 6+11=17, Resulting Numbers: [22, 17] Generated Node #0,0,0: 23:[22, 17] Operation: 6+11=17 Exploring Operation: 22-6=16, Resulting Numbers: [11, 16] Generated Node #0,0,1: 23:[11, 16] Operation: 22-6=16 Exploring Operation: 22+6=28, Resulting Numbers: [11, 28] Generated Node #0,0,2: 23:[11, 28] Operation: 22+6=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[22, 17], Operations: ['60-49=11', '6+11=17'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,23 unequal: No Solution No 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: 23:[11, 28], Operations: ['60-49=11', '22+6=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,23 unequal: No Solution No 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: 23:[11, 16], Operations: ['60-49=11', '22-6=16'] Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,23 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,23 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: 23:[49, 22, 10], Operations: ['60/6=10'] Exploring Operation: 49-10=39, Resulting Numbers: [22, 39] Generated Node #0,2,0: 23:[22, 39] Operation: 49-10=39 Exploring Operation: 22+10=32, Resulting Numbers: [49, 32] Generated Node #0,2,1: 23:[49, 32] Operation: 22+10=32 Exploring Operation: 49-22=27, Resulting Numbers: [10, 27] Generated Node #0,2,2: 23:[10, 27] Operation: 49-22=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[22, 39], Operations: ['60/6=10', '49-10=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,23 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,23 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,23 unequal: No Solution No 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: 23:[10, 27], Operations: ['60/6=10', '49-22=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,23 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,23 unequal: No Solution No 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: 23:[49, 32], Operations: ['60/6=10', '22+10=32'] Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 49*32=1568, Resulting Numbers: [1568] 1568,23 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: 23:[49, 6, 38], Operations: ['60-22=38'] Exploring Operation: 49-6=43, Resulting Numbers: [38, 43] Generated Node #0,1,0: 23:[38, 43] Operation: 49-6=43 Exploring Operation: 49-38=11, Resulting Numbers: [6, 11] Generated Node #0,1,1: 23:[6, 11] Operation: 49-38=11 Exploring Operation: 38-6=32, Resulting Numbers: [49, 32] Generated Node #0,1,2: 23:[49, 32] Operation: 38-6=32 Moving to Node #0,1,1 Current State: 23:[6, 11], Operations: ['60-22=38', '49-38=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[38, 43], Operations: ['60-22=38', '49-6=43'] Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 38*43=1634, Resulting Numbers: [1634] 1634,23 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[49, 32], Operations: ['60-22=38', '38-6=32'] Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 49*32=1568, Resulting Numbers: [1568] 1568,23 unequal: No Solution Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,23 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
[ 74, 8, 93, 91 ]
58
[ "93-91=2", "8*2=16", "74-16=58" ]
Current State: 58:[74, 8, 93, 91], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [74, 8, 2] Generated Node #2: [74, 8, 2] from Operation: 93-91=2 Current State: 58:[74, 8, 2], Operations: ['93-91=2'] Exploring Operation: 8*2=16, Resulting Numbers: [74, 16] Generated Node #3: [74, 16] from Operation: 8*2=16 Current State: 58:[74, 16], Operations: ['93-91=2', '8*2=16'] Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[74, 8, 93, 91], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [74, 8, 2] Generated Node #0,0: 58:[74, 8, 2] Operation: 93-91=2 Moving to Node #0,0 Current State: 58:[74, 8, 2], Operations: ['93-91=2'] Exploring Operation: 74-8=66, Resulting Numbers: [2, 66] Generated Node #0,0,0: 58:[2, 66] Operation: 74-8=66 Moving to Node #0,0,0 Current State: 58:[2, 66], Operations: ['93-91=2', '74-8=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,58 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 8, 58, 42, 4 ]
48
[ "8*4=32", "58-42=16", "32+16=48" ]
Current State: 48:[8, 58, 42, 4], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [58, 42, 32] Generated Node #2: [58, 42, 32] from Operation: 8*4=32 Current State: 48:[58, 42, 32], Operations: ['8*4=32'] Exploring Operation: 58-42=16, Resulting Numbers: [32, 16] Generated Node #3: [32, 16] from Operation: 58-42=16 Current State: 48:[32, 16], Operations: ['8*4=32', '58-42=16'] Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[8, 58, 42, 4], Operations: [] Exploring Operation: 8+42=50, Resulting Numbers: [58, 4, 50] Generated Node #0,0: 48:[58, 4, 50] Operation: 8+42=50 Exploring Operation: 58-42=16, Resulting Numbers: [8, 4, 16] Generated Node #0,1: 48:[8, 4, 16] Operation: 58-42=16 Exploring Operation: 58-8=50, Resulting Numbers: [42, 4, 50] Generated Node #0,2: 48:[42, 4, 50] Operation: 58-8=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[8, 4, 16], Operations: ['58-42=16'] Exploring Operation: 8/4=2, Resulting Numbers: [16, 2] Generated Node #0,1,0: 48:[16, 2] Operation: 8/4=2 Exploring Operation: 8+4=12, Resulting Numbers: [16, 12] Generated Node #0,1,1: 48:[16, 12] Operation: 8+4=12 Exploring Operation: 8-4=4, Resulting Numbers: [16, 4] Generated Node #0,1,2: 48:[16, 4] Operation: 8-4=4 Moving to Node #0,1,0 Current State: 48:[16, 2], Operations: ['58-42=16', '8/4=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[16, 12], Operations: ['58-42=16', '8+4=12'] Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,48 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[16, 4], Operations: ['58-42=16', '8-4=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,48 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 #0,2 Current State: 48:[42, 4, 50], Operations: ['58-8=50'] Exploring Operation: 50-42=8, Resulting Numbers: [4, 8] Generated Node #0,2,0: 48:[4, 8] Operation: 50-42=8 Exploring Operation: 50-4=46, Resulting Numbers: [42, 46] Generated Node #0,2,1: 48:[42, 46] Operation: 50-4=46 Exploring Operation: 42+4=46, Resulting Numbers: [50, 46] Generated Node #0,2,2: 48:[50, 46] Operation: 42+4=46 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[4, 8], Operations: ['58-8=50', '50-42=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,48 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:[50, 46], Operations: ['58-8=50', '42+4=46'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,48 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:[42, 46], Operations: ['58-8=50', '50-4=46'] Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,48 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[58, 4, 50], Operations: ['8+42=50'] Exploring Operation: 58-4=54, Resulting Numbers: [50, 54] Generated Node #0,0,0: 48:[50, 54] Operation: 58-4=54 Exploring Operation: 50-4=46, Resulting Numbers: [58, 46] Generated Node #0,0,1: 48:[58, 46] Operation: 50-4=46 Exploring Operation: 58-50=8, Resulting Numbers: [4, 8] Generated Node #0,0,2: 48:[4, 8] Operation: 58-50=8 Moving to Node #0,0,2 Current State: 48:[4, 8], Operations: ['8+42=50', '58-50=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[50, 54], Operations: ['8+42=50', '58-4=54'] Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,48 unequal: No Solution Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,48 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[58, 46], Operations: ['8+42=50', '50-4=46'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,48 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 20, 84, 5, 70 ]
94
[ "70-20=50", "50/5=10", "84+10=94" ]
Current State: 94:[20, 84, 5, 70], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [84, 5, 50] Generated Node #2: [84, 5, 50] from Operation: 70-20=50 Current State: 94:[84, 5, 50], Operations: ['70-20=50'] Exploring Operation: 50/5=10, Resulting Numbers: [84, 10] Generated Node #3: [84, 10] from Operation: 50/5=10 Current State: 94:[84, 10], Operations: ['70-20=50', '50/5=10'] Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[20, 84, 5, 70], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [84, 5, 50] Generated Node #0,0: 94:[84, 5, 50] Operation: 70-20=50 Exploring Operation: 84-70=14, Resulting Numbers: [20, 5, 14] Generated Node #0,1: 94:[20, 5, 14] Operation: 84-70=14 Exploring Operation: 20+70=90, Resulting Numbers: [84, 5, 90] Generated Node #0,2: 94:[84, 5, 90] Operation: 20+70=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[84, 5, 50], Operations: ['70-20=50'] Exploring Operation: 84+5=89, Resulting Numbers: [50, 89] Generated Node #0,0,0: 94:[50, 89] Operation: 84+5=89 Exploring Operation: 50-5=45, Resulting Numbers: [84, 45] Generated Node #0,0,1: 94:[84, 45] Operation: 50-5=45 Exploring Operation: 84-50=34, Resulting Numbers: [5, 34] Generated Node #0,0,2: 94:[5, 34] Operation: 84-50=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[50, 89], Operations: ['70-20=50', '84+5=89'] Exploring Operation: 50+89=139, Resulting Numbers: [139] 139,94 unequal: No Solution Exploring Operation: 50*89=4450, Resulting Numbers: [4450] 4450,94 unequal: No Solution Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[84, 45], Operations: ['70-20=50', '50-5=45'] Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,94 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,94 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[5, 34], Operations: ['70-20=50', '84-50=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[84, 5, 90], Operations: ['20+70=90'] Exploring Operation: 90-84=6, Resulting Numbers: [5, 6] Generated Node #0,2,0: 94:[5, 6] Operation: 90-84=6 Exploring Operation: 5+90=95, Resulting Numbers: [84, 95] Generated Node #0,2,1: 94:[84, 95] Operation: 5+90=95 Exploring Operation: 84+5=89, Resulting Numbers: [90, 89] Generated Node #0,2,2: 94:[90, 89] Operation: 84+5=89 Moving to Node #0,2,0 Current State: 94:[5, 6], Operations: ['20+70=90', '90-84=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[90, 89], Operations: ['20+70=90', '84+5=89'] Exploring Operation: 90+89=179, Resulting Numbers: [179] 179,94 unequal: No Solution Exploring Operation: 90*89=8010, Resulting Numbers: [8010] 8010,94 unequal: No Solution Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[84, 95], Operations: ['20+70=90', '5+90=95'] Exploring Operation: 84+95=179, Resulting Numbers: [179] 179,94 unequal: No Solution Exploring Operation: 84*95=7980, Resulting Numbers: [7980] 7980,94 unequal: No Solution Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[20, 5, 14], Operations: ['84-70=14'] Exploring Operation: 20/5=4, Resulting Numbers: [14, 4] Generated Node #0,1,0: 94:[14, 4] Operation: 20/5=4 Exploring Operation: 20-14=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 94:[5, 6] Operation: 20-14=6 Exploring Operation: 20+14=34, Resulting Numbers: [5, 34] Generated Node #0,1,2: 94:[5, 34] Operation: 20+14=34 Moving to Node #0,1,1 Current State: 94:[5, 6], Operations: ['84-70=14', '20-14=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[14, 4], Operations: ['84-70=14', '20/5=4'] Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[5, 34], Operations: ['84-70=14', '20+14=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,94 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 30, 82, 78, 44 ]
18
[ "82-30=52", "78-44=34", "52-34=18" ]
Current State: 18:[30, 82, 78, 44], Operations: [] Exploring Operation: 82-30=52, Resulting Numbers: [78, 44, 52] Generated Node #2: [78, 44, 52] from Operation: 82-30=52 Current State: 18:[78, 44, 52], Operations: ['82-30=52'] Exploring Operation: 78-44=34, Resulting Numbers: [52, 34] Generated Node #3: [52, 34] from Operation: 78-44=34 Current State: 18:[52, 34], Operations: ['82-30=52', '78-44=34'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[30, 82, 78, 44], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [30, 44, 4] Generated Node #0,0: 18:[30, 44, 4] Operation: 82-78=4 Moving to Node #0,0 Current State: 18:[30, 44, 4], Operations: ['82-78=4'] Exploring Operation: 44-30=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 18:[4, 14] Operation: 44-30=14 Moving to Node #0,0,0 Current State: 18:[4, 14], Operations: ['82-78=4', '44-30=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[30, 82, 78, 44], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [30, 44, 4] Generated Node #0,0: 18:[30, 44, 4] Operation: 82-78=4 Moving to Node #0,0 Current State: 18:[30, 44, 4], Operations: ['82-78=4'] Exploring Operation: 44-30=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 18:[4, 14] Operation: 44-30=14 Moving to Node #0,0,0 Current State: 18:[4, 14], Operations: ['82-78=4', '44-30=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 24, 2, 7, 76 ]
86
[ "24+76=100", "2*7=14", "100-14=86" ]
Current State: 86:[24, 2, 7, 76], Operations: [] Exploring Operation: 24+76=100, Resulting Numbers: [2, 7, 100] Generated Node #2: [2, 7, 100] from Operation: 24+76=100 Current State: 86:[2, 7, 100], Operations: ['24+76=100'] Exploring Operation: 2*7=14, Resulting Numbers: [100, 14] Generated Node #3: [100, 14] from Operation: 2*7=14 Current State: 86:[100, 14], Operations: ['24+76=100', '2*7=14'] Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[24, 2, 7, 76], Operations: [] Exploring Operation: 24+76=100, Resulting Numbers: [2, 7, 100] Generated Node #0,0: 86:[2, 7, 100] Operation: 24+76=100 Exploring Operation: 76-24=52, Resulting Numbers: [2, 7, 52] Generated Node #0,1: 86:[2, 7, 52] Operation: 76-24=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[2, 7, 52], Operations: ['76-24=52'] Exploring Operation: 7-2=5, Resulting Numbers: [52, 5] Generated Node #0,1,0: 86:[52, 5] Operation: 7-2=5 Exploring Operation: 52-7=45, Resulting Numbers: [2, 45] Generated Node #0,1,1: 86:[2, 45] Operation: 52-7=45 Moving to Node #0,1,1 Current State: 86:[2, 45], Operations: ['76-24=52', '52-7=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,86 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[52, 5], Operations: ['76-24=52', '7-2=5'] Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[2, 7, 100], Operations: ['24+76=100'] Exploring Operation: 100/2=50, Resulting Numbers: [7, 50] Generated Node #0,0,0: 86:[7, 50] Operation: 100/2=50 Exploring Operation: 100-7=93, Resulting Numbers: [2, 93] Generated Node #0,0,1: 86:[2, 93] Operation: 100-7=93 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[2, 93], Operations: ['24+76=100', '100-7=93'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,86 unequal: No Solution No 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: 86:[7, 50], Operations: ['24+76=100', '100/2=50'] Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,86 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
[ 9, 54, 44, 69 ]
91
[ "69-54=15", "9*15=135", "135-44=91" ]
Current State: 91:[9, 54, 44, 69], Operations: [] Exploring Operation: 69-54=15, Resulting Numbers: [9, 44, 15] Generated Node #2: [9, 44, 15] from Operation: 69-54=15 Current State: 91:[9, 44, 15], Operations: ['69-54=15'] Exploring Operation: 9*15=135, Resulting Numbers: [44, 135] Generated Node #3: [44, 135] from Operation: 9*15=135 Current State: 91:[44, 135], Operations: ['69-54=15', '9*15=135'] Exploring Operation: 135-44=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[9, 54, 44, 69], Operations: [] Exploring Operation: 54+44=98, Resulting Numbers: [9, 69, 98] Generated Node #0,0: 91:[9, 69, 98] Operation: 54+44=98 Exploring Operation: 69-44=25, Resulting Numbers: [9, 54, 25] Generated Node #0,1: 91:[9, 54, 25] Operation: 69-44=25 Exploring Operation: 69-54=15, Resulting Numbers: [9, 44, 15] Generated Node #0,2: 91:[9, 44, 15] Operation: 69-54=15 Exploring Operation: 54-44=10, Resulting Numbers: [9, 69, 10] Generated Node #0,3: 91:[9, 69, 10] Operation: 54-44=10 Exploring Operation: 54/9=6, Resulting Numbers: [44, 69, 6] Generated Node #0,4: 91:[44, 69, 6] Operation: 54/9=6 Moving to Node #0,3 Current State: 91:[9, 69, 10], Operations: ['54-44=10'] Exploring Operation: 10-9=1, Resulting Numbers: [69, 1] Generated Node #0,3,0: 91:[69, 1] Operation: 10-9=1 Exploring Operation: 9*10=90, Resulting Numbers: [69, 90] Generated Node #0,3,1: 91:[69, 90] Operation: 9*10=90 Exploring Operation: 9+69=78, Resulting Numbers: [10, 78] Generated Node #0,3,2: 91:[10, 78] Operation: 9+69=78 Exploring Operation: 9+10=19, Resulting Numbers: [69, 19] Generated Node #0,3,3: 91:[69, 19] Operation: 9+10=19 Exploring Operation: 69+10=79, Resulting Numbers: [9, 79] Generated Node #0,3,4: 91:[9, 79] Operation: 69+10=79 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[9, 79], Operations: ['54-44=10', '69+10=79'] Exploring Operation: 9*79=711, Resulting Numbers: [711] 711,91 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[10, 78], Operations: ['54-44=10', '9+69=78'] Exploring Operation: 10*78=780, Resulting Numbers: [780] 780,91 unequal: No Solution Exploring Operation: 10+78=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[69, 90], Operations: ['54-44=10', '9*10=90'] Exploring Operation: 69*90=6210, Resulting Numbers: [6210] 6210,91 unequal: No Solution Exploring Operation: 69+90=159, Resulting Numbers: [159] 159,91 unequal: No Solution Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[69, 1], Operations: ['54-44=10', '10-9=1'] Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[69, 19], Operations: ['54-44=10', '9+10=19'] Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,91 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,91 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: 91:[9, 69, 98], Operations: ['54+44=98'] Exploring Operation: 9+98=107, Resulting Numbers: [69, 107] Generated Node #0,0,0: 91:[69, 107] Operation: 9+98=107 Exploring Operation: 9+69=78, Resulting Numbers: [98, 78] Generated Node #0,0,1: 91:[98, 78] Operation: 9+69=78 Exploring Operation: 98-69=29, Resulting Numbers: [9, 29] Generated Node #0,0,2: 91:[9, 29] Operation: 98-69=29 Exploring Operation: 69-9=60, Resulting Numbers: [98, 60] Generated Node #0,0,3: 91:[98, 60] Operation: 69-9=60 Exploring Operation: 98-9=89, Resulting Numbers: [69, 89] Generated Node #0,0,4: 91:[69, 89] Operation: 98-9=89 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[9, 29], Operations: ['54+44=98', '98-69=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[98, 78], Operations: ['54+44=98', '9+69=78'] Exploring Operation: 98*78=7644, Resulting Numbers: [7644] 7644,91 unequal: No Solution Exploring Operation: 98-78=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 98+78=176, Resulting Numbers: [176] 176,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 91:[69, 89], Operations: ['54+44=98', '98-9=89'] Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 69+89=158, Resulting Numbers: [158] 158,91 unequal: No Solution Exploring Operation: 69*89=6141, Resulting Numbers: [6141] 6141,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[69, 107], Operations: ['54+44=98', '9+98=107'] Exploring Operation: 69+107=176, Resulting Numbers: [176] 176,91 unequal: No Solution Exploring Operation: 69*107=7383, Resulting Numbers: [7383] 7383,91 unequal: No Solution Exploring Operation: 107-69=38, Resulting Numbers: [38] 38,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 91:[98, 60], Operations: ['54+44=98', '69-9=60'] Exploring Operation: 98+60=158, Resulting Numbers: [158] 158,91 unequal: No Solution Exploring Operation: 98-60=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 98*60=5880, Resulting Numbers: [5880] 5880,91 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: 91:[9, 44, 15], Operations: ['69-54=15'] Exploring Operation: 44-15=29, Resulting Numbers: [9, 29] Generated Node #0,2,0: 91:[9, 29] Operation: 44-15=29 Exploring Operation: 15-9=6, Resulting Numbers: [44, 6] Generated Node #0,2,1: 91:[44, 6] Operation: 15-9=6 Exploring Operation: 44+15=59, Resulting Numbers: [9, 59] Generated Node #0,2,2: 91:[9, 59] Operation: 44+15=59 Exploring Operation: 44-9=35, Resulting Numbers: [15, 35] Generated Node #0,2,3: 91:[15, 35] Operation: 44-9=35 Exploring Operation: 9+44=53, Resulting Numbers: [15, 53] Generated Node #0,2,4: 91:[15, 53] Operation: 9+44=53 Moving to Node #0,1 Current State: 91:[9, 54, 25], Operations: ['69-44=25'] Exploring Operation: 9+54=63, Resulting Numbers: [25, 63] Generated Node #0,1,0: 91:[25, 63] Operation: 9+54=63 Exploring Operation: 25-9=16, Resulting Numbers: [54, 16] Generated Node #0,1,1: 91:[54, 16] Operation: 25-9=16 Exploring Operation: 54/9=6, Resulting Numbers: [25, 6] Generated Node #0,1,2: 91:[25, 6] Operation: 54/9=6 Exploring Operation: 54-25=29, Resulting Numbers: [9, 29] Generated Node #0,1,3: 91:[9, 29] Operation: 54-25=29 Exploring Operation: 54+25=79, Resulting Numbers: [9, 79] Generated Node #0,1,4: 91:[9, 79] Operation: 54+25=79 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[25, 6], Operations: ['69-44=25', '54/9=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 91:[9, 79], Operations: ['69-44=25', '54+25=79'] Exploring Operation: 9*79=711, Resulting Numbers: [711] 711,91 unequal: No Solution Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[9, 29], Operations: ['69-44=25', '54-25=29'] Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,91 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[25, 63], Operations: ['69-44=25', '9+54=63'] Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,91 unequal: No Solution Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[54, 16], Operations: ['69-44=25', '25-9=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,91 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: 91:[44, 69, 6], Operations: ['54/9=6'] Exploring Operation: 69-44=25, Resulting Numbers: [6, 25] Generated Node #0,4,0: 91:[6, 25] Operation: 69-44=25 Exploring Operation: 44-6=38, Resulting Numbers: [69, 38] Generated Node #0,4,1: 91:[69, 38] Operation: 44-6=38 Exploring Operation: 44+6=50, Resulting Numbers: [69, 50] Generated Node #0,4,2: 91:[69, 50] Operation: 44+6=50 Exploring Operation: 69+6=75, Resulting Numbers: [44, 75] Generated Node #0,4,3: 91:[44, 75] Operation: 69+6=75 Exploring Operation: 44+69=113, Resulting Numbers: [6, 113] Generated Node #0,4,4: 91:[6, 113] Operation: 44+69=113 Moving to Node #0,4,0 Current State: 91:[6, 25], Operations: ['54/9=6', '69-44=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[9, 29], Operations: ['69-54=15', '44-15=29'] Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,91 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[6, 113], Operations: ['54/9=6', '44+69=113'] Exploring Operation: 113-6=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 6+113=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 6*113=678, Resulting Numbers: [678] 678,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[15, 35], Operations: ['69-54=15', '44-9=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,91 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,91 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[44, 6], Operations: ['69-54=15', '15-9=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,91 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[9, 59], Operations: ['69-54=15', '44+15=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,91 unequal: No Solution Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,91 unequal: No Solution Moving to Node #0,2,4 Current State: 91:[15, 53], Operations: ['69-54=15', '9+44=53'] Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[44, 75], Operations: ['54/9=6', '69+6=75'] Exploring Operation: 44+75=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 44*75=3300, Resulting Numbers: [3300] 3300,91 unequal: No Solution Exploring Operation: 75-44=31, Resulting Numbers: [31] 31,91 unequal: No Solution Moving to Node #0,4,1 Current State: 91:[69, 38], Operations: ['54/9=6', '44-6=38'] Exploring Operation: 69*38=2622, Resulting Numbers: [2622] 2622,91 unequal: No Solution Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[69, 50], Operations: ['54/9=6', '44+6=50'] Exploring Operation: 69+50=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 69*50=3450, Resulting Numbers: [3450] 3450,91 unequal: No Solution Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 94, 72, 58, 48 ]
83
[ "94*72=6768", "6768/48=141", "141-58=83" ]
Current State: 83:[94, 72, 58, 48], Operations: [] Exploring Operation: 94*72=6768, Resulting Numbers: [58, 48, 6768] Generated Node #2: [58, 48, 6768] from Operation: 94*72=6768 Current State: 83:[58, 48, 6768], Operations: ['94*72=6768'] Exploring Operation: 6768/48=141, Resulting Numbers: [58, 141] Generated Node #3: [58, 141] from Operation: 6768/48=141 Current State: 83:[58, 141], Operations: ['94*72=6768', '6768/48=141'] Exploring Operation: 141-58=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[94, 72, 58, 48], Operations: [] Exploring Operation: 72+48=120, Resulting Numbers: [94, 58, 120] Generated Node #0,0: 83:[94, 58, 120] Operation: 72+48=120 Exploring Operation: 94-48=46, Resulting Numbers: [72, 58, 46] Generated Node #0,1: 83:[72, 58, 46] Operation: 94-48=46 Exploring Operation: 58+48=106, Resulting Numbers: [94, 72, 106] Generated Node #0,2: 83:[94, 72, 106] Operation: 58+48=106 Exploring Operation: 94-58=36, Resulting Numbers: [72, 48, 36] Generated Node #0,3: 83:[72, 48, 36] Operation: 94-58=36 Moving to Node #0,2 Current State: 83:[94, 72, 106], Operations: ['58+48=106'] Exploring Operation: 106-94=12, Resulting Numbers: [72, 12] Generated Node #0,2,0: 83:[72, 12] Operation: 106-94=12 Exploring Operation: 106-72=34, Resulting Numbers: [94, 34] Generated Node #0,2,1: 83:[94, 34] Operation: 106-72=34 Exploring Operation: 94-72=22, Resulting Numbers: [106, 22] Generated Node #0,2,2: 83:[106, 22] Operation: 94-72=22 Exploring Operation: 94+72=166, Resulting Numbers: [106, 166] Generated Node #0,2,3: 83:[106, 166] Operation: 94+72=166 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[94, 34], Operations: ['58+48=106', '106-72=34'] Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,83 unequal: No Solution Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,83 unequal: No Solution Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,83 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:[72, 12], Operations: ['58+48=106', '106-94=12'] Exploring Operation: 72*12=864, Resulting Numbers: [864] 864,83 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,83 unequal: No Solution Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,83 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:[106, 22], Operations: ['58+48=106', '94-72=22'] Exploring Operation: 106-22=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 106+22=128, Resulting Numbers: [128] 128,83 unequal: No Solution Exploring Operation: 106*22=2332, Resulting Numbers: [2332] 2332,83 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:[106, 166], Operations: ['58+48=106', '94+72=166'] Exploring Operation: 106*166=17596, Resulting Numbers: [17596] 17596,83 unequal: No Solution Exploring Operation: 106+166=272, Resulting Numbers: [272] 272,83 unequal: No Solution Exploring Operation: 166-106=60, Resulting Numbers: [60] 60,83 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:[72, 58, 46], Operations: ['94-48=46'] Exploring Operation: 72-46=26, Resulting Numbers: [58, 26] Generated Node #0,1,0: 83:[58, 26] Operation: 72-46=26 Exploring Operation: 58+46=104, Resulting Numbers: [72, 104] Generated Node #0,1,1: 83:[72, 104] Operation: 58+46=104 Exploring Operation: 72+46=118, Resulting Numbers: [58, 118] Generated Node #0,1,2: 83:[58, 118] Operation: 72+46=118 Exploring Operation: 58-46=12, Resulting Numbers: [72, 12] Generated Node #0,1,3: 83:[72, 12] Operation: 58-46=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[72, 104], Operations: ['94-48=46', '58+46=104'] Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,83 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[58, 118], Operations: ['94-48=46', '72+46=118'] Exploring Operation: 58+118=176, Resulting Numbers: [176] 176,83 unequal: No Solution Exploring Operation: 118-58=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 58*118=6844, Resulting Numbers: [6844] 6844,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[58, 26], Operations: ['94-48=46', '72-46=26'] Exploring Operation: 58+26=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 58*26=1508, Resulting Numbers: [1508] 1508,83 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[72, 12], Operations: ['94-48=46', '58-46=12'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,83 unequal: No Solution Exploring Operation: 72*12=864, Resulting Numbers: [864] 864,83 unequal: No Solution Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,83 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: 83:[94, 58, 120], Operations: ['72+48=120'] Exploring Operation: 120-94=26, Resulting Numbers: [58, 26] Generated Node #0,0,0: 83:[58, 26] Operation: 120-94=26 Exploring Operation: 94+58=152, Resulting Numbers: [120, 152] Generated Node #0,0,1: 83:[120, 152] Operation: 94+58=152 Exploring Operation: 94-58=36, Resulting Numbers: [120, 36] Generated Node #0,0,2: 83:[120, 36] Operation: 94-58=36 Exploring Operation: 120-58=62, Resulting Numbers: [94, 62] Generated Node #0,0,3: 83:[94, 62] Operation: 120-58=62 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[94, 62], Operations: ['72+48=120', '120-58=62'] Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 94*62=5828, Resulting Numbers: [5828] 5828,83 unequal: No Solution Exploring Operation: 94+62=156, Resulting Numbers: [156] 156,83 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:[58, 26], Operations: ['72+48=120', '120-94=26'] Exploring Operation: 58+26=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 58*26=1508, Resulting Numbers: [1508] 1508,83 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 #0,0,2 Current State: 83:[120, 36], Operations: ['72+48=120', '94-58=36'] Exploring Operation: 120*36=4320, Resulting Numbers: [4320] 4320,83 unequal: No Solution Exploring Operation: 120+36=156, Resulting Numbers: [156] 156,83 unequal: No Solution Exploring Operation: 120-36=84, Resulting Numbers: [84] 84,83 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:[120, 152], Operations: ['72+48=120', '94+58=152'] Exploring Operation: 152-120=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 120+152=272, Resulting Numbers: [272] 272,83 unequal: No Solution Exploring Operation: 120*152=18240, Resulting Numbers: [18240] 18240,83 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: 83:[72, 48, 36], Operations: ['94-58=36'] Exploring Operation: 48-36=12, Resulting Numbers: [72, 12] Generated Node #0,3,0: 83:[72, 12] Operation: 48-36=12 Exploring Operation: 72+36=108, Resulting Numbers: [48, 108] Generated Node #0,3,1: 83:[48, 108] Operation: 72+36=108 Exploring Operation: 72-36=36, Resulting Numbers: [48, 36] Generated Node #0,3,2: 83:[48, 36] Operation: 72-36=36 Exploring Operation: 48+36=84, Resulting Numbers: [72, 84] Generated Node #0,3,3: 83:[72, 84] Operation: 48+36=84 Moving to Node #0,3,3 Current State: 83:[72, 84], Operations: ['94-58=36', '48+36=84'] Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 72*84=6048, Resulting Numbers: [6048] 6048,83 unequal: No Solution Exploring Operation: 72+84=156, Resulting Numbers: [156] 156,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[48, 108], Operations: ['94-58=36', '72+36=108'] Exploring Operation: 48*108=5184, Resulting Numbers: [5184] 5184,83 unequal: No Solution Exploring Operation: 108-48=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 48+108=156, Resulting Numbers: [156] 156,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[48, 36], Operations: ['94-58=36', '72-36=36'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 48*36=1728, Resulting Numbers: [1728] 1728,83 unequal: No Solution Exploring Operation: 48+36=84, Resulting Numbers: [84] 84,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[72, 12], Operations: ['94-58=36', '48-36=12'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 72*12=864, Resulting Numbers: [864] 864,83 unequal: No Solution Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 91, 52, 31, 47 ]
23
[ "91-52=39", "47-31=16", "39-16=23" ]
Current State: 23:[91, 52, 31, 47], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [31, 47, 39] Generated Node #2: [31, 47, 39] from Operation: 91-52=39 Current State: 23:[31, 47, 39], Operations: ['91-52=39'] Exploring Operation: 47-31=16, Resulting Numbers: [39, 16] Generated Node #3: [39, 16] from Operation: 47-31=16 Current State: 23:[39, 16], Operations: ['91-52=39', '47-31=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[91, 52, 31, 47], Operations: [] Exploring Operation: 91-47=44, Resulting Numbers: [52, 31, 44] Generated Node #0,0: 23:[52, 31, 44] Operation: 91-47=44 Exploring Operation: 91-52=39, Resulting Numbers: [31, 47, 39] Generated Node #0,1: 23:[31, 47, 39] Operation: 91-52=39 Exploring Operation: 91-31=60, Resulting Numbers: [52, 47, 60] Generated Node #0,2: 23:[52, 47, 60] Operation: 91-31=60 Moving to Node #0,1 Current State: 23:[31, 47, 39], Operations: ['91-52=39'] Exploring Operation: 39-31=8, Resulting Numbers: [47, 8] Generated Node #0,1,0: 23:[47, 8] Operation: 39-31=8 Exploring Operation: 47-31=16, Resulting Numbers: [39, 16] Generated Node #0,1,1: 23:[39, 16] Operation: 47-31=16 Exploring Operation: 47-39=8, Resulting Numbers: [31, 8] Generated Node #0,1,2: 23:[31, 8] Operation: 47-39=8 Moving to Node #0,0 Current State: 23:[52, 31, 44], Operations: ['91-47=44'] Exploring Operation: 44-31=13, Resulting Numbers: [52, 13] Generated Node #0,0,0: 23:[52, 13] Operation: 44-31=13 Exploring Operation: 52-44=8, Resulting Numbers: [31, 8] Generated Node #0,0,1: 23:[31, 8] Operation: 52-44=8 Exploring Operation: 52-31=21, Resulting Numbers: [44, 21] Generated Node #0,0,2: 23:[44, 21] Operation: 52-31=21 Moving to Node #0,2 Current State: 23:[52, 47, 60], Operations: ['91-31=60'] Exploring Operation: 60-52=8, Resulting Numbers: [47, 8] Generated Node #0,2,0: 23:[47, 8] Operation: 60-52=8 Exploring Operation: 60-47=13, Resulting Numbers: [52, 13] Generated Node #0,2,1: 23:[52, 13] Operation: 60-47=13 Exploring Operation: 52-47=5, Resulting Numbers: [60, 5] Generated Node #0,2,2: 23:[60, 5] Operation: 52-47=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[47, 8], Operations: ['91-31=60', '60-52=8'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[52, 13], Operations: ['91-31=60', '60-47=13'] Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,23 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[60, 5], Operations: ['91-31=60', '52-47=5'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,23 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,23 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: 23:[39, 16], Operations: ['91-52=39', '47-31=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 39*16=624, Resulting Numbers: [624] 624,23 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[91, 52, 31, 47], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [31, 47, 39] Generated Node #0,1: 23:[31, 47, 39] Operation: 91-52=39 Moving to Node #0,1 Current State: 23:[31, 47, 39], Operations: ['91-52=39'] Exploring Operation: 47-31=16, Resulting Numbers: [39, 16] Generated Node #0,1,1: 23:[39, 16] Operation: 47-31=16 Moving to Node #0,1,1 Current State: 23:[39, 16], Operations: ['91-52=39', '47-31=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 52, 22, 4, 99 ]
64
[ "52/4=13", "99-22=77", "77-13=64" ]
Current State: 64:[52, 22, 4, 99], Operations: [] Exploring Operation: 52/4=13, Resulting Numbers: [22, 99, 13] Generated Node #2: [22, 99, 13] from Operation: 52/4=13 Current State: 64:[22, 99, 13], Operations: ['52/4=13'] Exploring Operation: 99-22=77, Resulting Numbers: [13, 77] Generated Node #3: [13, 77] from Operation: 99-22=77 Current State: 64:[13, 77], Operations: ['52/4=13', '99-22=77'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[52, 22, 4, 99], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [22, 4, 47] Generated Node #0,0: 64:[22, 4, 47] Operation: 99-52=47 Exploring Operation: 99-22=77, Resulting Numbers: [52, 4, 77] Generated Node #0,1: 64:[52, 4, 77] Operation: 99-22=77 Exploring Operation: 52-22=30, Resulting Numbers: [4, 99, 30] Generated Node #0,2: 64:[4, 99, 30] Operation: 52-22=30 Exploring Operation: 52/4=13, Resulting Numbers: [22, 99, 13] Generated Node #0,3: 64:[22, 99, 13] Operation: 52/4=13 Moving to Node #0,0 Current State: 64:[22, 4, 47], Operations: ['99-52=47'] Exploring Operation: 47-4=43, Resulting Numbers: [22, 43] Generated Node #0,0,0: 64:[22, 43] Operation: 47-4=43 Exploring Operation: 22-4=18, Resulting Numbers: [47, 18] Generated Node #0,0,1: 64:[47, 18] Operation: 22-4=18 Exploring Operation: 47-22=25, Resulting Numbers: [4, 25] Generated Node #0,0,2: 64:[4, 25] Operation: 47-22=25 Exploring Operation: 22+47=69, Resulting Numbers: [4, 69] Generated Node #0,0,3: 64:[4, 69] Operation: 22+47=69 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 64:[4, 69], Operations: ['99-52=47', '22+47=69'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 4*69=276, Resulting Numbers: [276] 276,64 unequal: No Solution Exploring Operation: 4+69=73, Resulting Numbers: [73] 73,64 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 #0,0,2 Current State: 64:[4, 25], Operations: ['99-52=47', '47-22=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,64 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,64 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 #0,0,0 Current State: 64:[22, 43], Operations: ['99-52=47', '47-4=43'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[47, 18], Operations: ['99-52=47', '22-4=18'] Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 47*18=846, Resulting Numbers: [846] 846,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 64:[52, 4, 77], Operations: ['99-22=77'] Exploring Operation: 52/4=13, Resulting Numbers: [77, 13] Generated Node #0,1,0: 64:[77, 13] Operation: 52/4=13 Exploring Operation: 77-52=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 64:[4, 25] Operation: 77-52=25 Exploring Operation: 52+4=56, Resulting Numbers: [77, 56] Generated Node #0,1,2: 64:[77, 56] Operation: 52+4=56 Exploring Operation: 77-4=73, Resulting Numbers: [52, 73] Generated Node #0,1,3: 64:[52, 73] Operation: 77-4=73 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[4, 25], Operations: ['99-22=77', '77-52=25'] Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,64 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 #0,1,0 Current State: 64:[77, 13], Operations: ['99-22=77', '52/4=13'] Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,64 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[52, 22, 4, 99], Operations: [] Exploring Operation: 99-22=77, Resulting Numbers: [52, 4, 77] Generated Node #0,1: 64:[52, 4, 77] Operation: 99-22=77 Moving to Node #0,1 Current State: 64:[52, 4, 77], Operations: ['99-22=77'] Exploring Operation: 52/4=13, Resulting Numbers: [77, 13] Generated Node #0,1,0: 64:[77, 13] Operation: 52/4=13 Moving to Node #0,1,0 Current State: 64:[77, 13], Operations: ['99-22=77', '52/4=13'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 15, 11, 90, 15 ]
16
[ "90-15=75", "75/15=5", "11+5=16" ]
Current State: 16:[15, 11, 90, 15], Operations: [] Exploring Operation: 90-15=75, Resulting Numbers: [11, 75] Generated Node #2: [11, 75] from Operation: 90-15=75 Current State: 16:[11, 75], Operations: ['90-15=75'] Exploring Operation: 75/15=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 75/15=5 Current State: 16:[11, 5], Operations: ['90-15=75', '75/15=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[15, 11, 90, 15], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [15, 11, 6] Generated Node #0,0: 16:[15, 11, 6] Operation: 90/15=6 Exploring Operation: 90/15=6, Resulting Numbers: [11, 15, 6] Generated Node #0,1: 16:[11, 15, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[15, 11, 6], Operations: ['90/15=6'] Exploring Operation: 11+6=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 16:[15, 17] Operation: 11+6=17 Exploring Operation: 15-11=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 16:[6, 4] Operation: 15-11=4 Moving to Node #0,0,0 Current State: 16:[15, 17], Operations: ['90/15=6', '11+6=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,16 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[6, 4], Operations: ['90/15=6', '15-11=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[11, 15, 6], Operations: ['90/15=6'] Exploring Operation: 15-11=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 16:[6, 4] Operation: 15-11=4 Exploring Operation: 11+6=17, Resulting Numbers: [15, 17] Generated Node #0,1,1: 16:[15, 17] Operation: 11+6=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[6, 4], Operations: ['90/15=6', '15-11=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[15, 17], Operations: ['90/15=6', '11+6=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,16 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 91, 28, 14, 53 ]
19
[ "91-53=38", "28/14=2", "38/2=19" ]
Current State: 19:[91, 28, 14, 53], Operations: [] Exploring Operation: 91-53=38, Resulting Numbers: [28, 14, 38] Generated Node #2: [28, 14, 38] from Operation: 91-53=38 Current State: 19:[28, 14, 38], Operations: ['91-53=38'] Exploring Operation: 28/14=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 28/14=2 Current State: 19:[38, 2], Operations: ['91-53=38', '28/14=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[91, 28, 14, 53], Operations: [] Exploring Operation: 91-28=63, Resulting Numbers: [14, 53, 63] Generated Node #0,0: 19:[14, 53, 63] Operation: 91-28=63 Exploring Operation: 91-53=38, Resulting Numbers: [28, 14, 38] Generated Node #0,1: 19:[28, 14, 38] Operation: 91-53=38 Exploring Operation: 53-14=39, Resulting Numbers: [91, 28, 39] Generated Node #0,2: 19:[91, 28, 39] Operation: 53-14=39 Exploring Operation: 91-14=77, Resulting Numbers: [28, 53, 77] Generated Node #0,3: 19:[28, 53, 77] Operation: 91-14=77 Exploring Operation: 53-28=25, Resulting Numbers: [91, 14, 25] Generated Node #0,4: 19:[91, 14, 25] Operation: 53-28=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[28, 14, 38], Operations: ['91-53=38'] Exploring Operation: 28+14=42, Resulting Numbers: [38, 42] Generated Node #0,1,0: 19:[38, 42] Operation: 28+14=42 Exploring Operation: 28/14=2, Resulting Numbers: [38, 2] Generated Node #0,1,1: 19:[38, 2] Operation: 28/14=2 Exploring Operation: 38-28=10, Resulting Numbers: [14, 10] Generated Node #0,1,2: 19:[14, 10] Operation: 38-28=10 Exploring Operation: 38-14=24, Resulting Numbers: [28, 24] Generated Node #0,1,3: 19:[28, 24] Operation: 38-14=24 Exploring Operation: 28-14=14, Resulting Numbers: [38, 14] Generated Node #0,1,4: 19:[38, 14] Operation: 28-14=14 Moving to Node #0,1,2 Current State: 19:[14, 10], Operations: ['91-53=38', '38-28=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,19 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[28, 24], Operations: ['91-53=38', '38-14=24'] Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,19 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[38, 14], Operations: ['91-53=38', '28-14=14'] Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 38*14=532, Resulting Numbers: [532] 532,19 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[38, 2], Operations: ['91-53=38', '28/14=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,19 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[91, 28, 14, 53], Operations: [] Exploring Operation: 91-53=38, Resulting Numbers: [28, 14, 38] Generated Node #0,1: 19:[28, 14, 38] Operation: 91-53=38 Moving to Node #0,1 Current State: 19:[28, 14, 38], Operations: ['91-53=38'] Exploring Operation: 28/14=2, Resulting Numbers: [38, 2] Generated Node #0,1,1: 19:[38, 2] Operation: 28/14=2 Moving to Node #0,1,1 Current State: 19:[38, 2], Operations: ['91-53=38', '28/14=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 78, 13, 55, 92 ]
17
[ "78-55=23", "92/23=4", "13+4=17" ]
Current State: 17:[78, 13, 55, 92], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [13, 92, 23] Generated Node #2: [13, 92, 23] from Operation: 78-55=23 Current State: 17:[13, 92, 23], Operations: ['78-55=23'] Exploring Operation: 92/23=4, Resulting Numbers: [13, 4] Generated Node #3: [13, 4] from Operation: 92/23=4 Current State: 17:[13, 4], Operations: ['78-55=23', '92/23=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[78, 13, 55, 92], Operations: [] Exploring Operation: 92-55=37, Resulting Numbers: [78, 13, 37] Generated Node #0,0: 17:[78, 13, 37] Operation: 92-55=37 Exploring Operation: 92-78=14, Resulting Numbers: [13, 55, 14] Generated Node #0,1: 17:[13, 55, 14] Operation: 92-78=14 Exploring Operation: 78-55=23, Resulting Numbers: [13, 92, 23] Generated Node #0,2: 17:[13, 92, 23] Operation: 78-55=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[13, 55, 14], Operations: ['92-78=14'] Exploring Operation: 13+14=27, Resulting Numbers: [55, 27] Generated Node #0,1,0: 17:[55, 27] Operation: 13+14=27 Exploring Operation: 55-14=41, Resulting Numbers: [13, 41] Generated Node #0,1,1: 17:[13, 41] Operation: 55-14=41 Exploring Operation: 55-13=42, Resulting Numbers: [14, 42] Generated Node #0,1,2: 17:[14, 42] Operation: 55-13=42 Moving to Node #0,1,1 Current State: 17:[13, 41], Operations: ['92-78=14', '55-14=41'] Exploring Operation: 13*41=533, Resulting Numbers: [533] 533,17 unequal: No Solution Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[14, 42], Operations: ['92-78=14', '55-13=42'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[55, 27], Operations: ['92-78=14', '13+14=27'] Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[78, 13, 37], Operations: ['92-55=37'] Exploring Operation: 78-37=41, Resulting Numbers: [13, 41] Generated Node #0,0,0: 17:[13, 41] Operation: 78-37=41 Exploring Operation: 78-13=65, Resulting Numbers: [37, 65] Generated Node #0,0,1: 17:[37, 65] Operation: 78-13=65 Exploring Operation: 78/13=6, Resulting Numbers: [37, 6] Generated Node #0,0,2: 17:[37, 6] Operation: 78/13=6 Moving to Node #0,0,0 Current State: 17:[13, 41], Operations: ['92-55=37', '78-37=41'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 13*41=533, Resulting Numbers: [533] 533,17 unequal: No Solution Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[37, 6], Operations: ['92-55=37', '78/13=6'] Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,17 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[37, 65], Operations: ['92-55=37', '78-13=65'] Exploring Operation: 37+65=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 37*65=2405, Resulting Numbers: [2405] 2405,17 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[13, 92, 23], Operations: ['78-55=23'] Exploring Operation: 92/23=4, Resulting Numbers: [13, 4] Generated Node #0,2,0: 17:[13, 4] Operation: 92/23=4 Exploring Operation: 92-23=69, Resulting Numbers: [13, 69] Generated Node #0,2,1: 17:[13, 69] Operation: 92-23=69 Exploring Operation: 92-13=79, Resulting Numbers: [23, 79] Generated Node #0,2,2: 17:[23, 79] Operation: 92-13=79 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[13, 4], Operations: ['78-55=23', '92/23=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[78, 13, 55, 92], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [13, 92, 23] Generated Node #0,2: 17:[13, 92, 23] Operation: 78-55=23 Moving to Node #0,2 Current State: 17:[13, 92, 23], Operations: ['78-55=23'] Exploring Operation: 92/23=4, Resulting Numbers: [13, 4] Generated Node #0,2,0: 17:[13, 4] Operation: 92/23=4 Moving to Node #0,2,0 Current State: 17:[13, 4], Operations: ['78-55=23', '92/23=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 79, 44, 17, 80 ]
61
[ "80-79=1", "44+17=61", "1*61=61" ]
Current State: 61:[79, 44, 17, 80], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [44, 17, 1] Generated Node #2: [44, 17, 1] from Operation: 80-79=1 Current State: 61:[44, 17, 1], Operations: ['80-79=1'] Exploring Operation: 44+17=61, Resulting Numbers: [1, 61] Generated Node #3: [1, 61] from Operation: 44+17=61 Current State: 61:[1, 61], Operations: ['80-79=1', '44+17=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[79, 44, 17, 80], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [79, 44, 63] Generated Node #0,0: 61:[79, 44, 63] Operation: 80-17=63 Exploring Operation: 79-17=62, Resulting Numbers: [44, 80, 62] Generated Node #0,1: 61:[44, 80, 62] Operation: 79-17=62 Exploring Operation: 79+17=96, Resulting Numbers: [44, 80, 96] Generated Node #0,2: 61:[44, 80, 96] Operation: 79+17=96 Exploring Operation: 44+17=61, Resulting Numbers: [79, 80, 61] Generated Node #0,3: 61:[79, 80, 61] Operation: 44+17=61 Moving to Node #0,0 Current State: 61:[79, 44, 63], Operations: ['80-17=63'] Exploring Operation: 63-44=19, Resulting Numbers: [79, 19] Generated Node #0,0,0: 61:[79, 19] Operation: 63-44=19 Exploring Operation: 79-44=35, Resulting Numbers: [63, 35] Generated Node #0,0,1: 61:[63, 35] Operation: 79-44=35 Exploring Operation: 79+44=123, Resulting Numbers: [63, 123] Generated Node #0,0,2: 61:[63, 123] Operation: 79+44=123 Exploring Operation: 79-63=16, Resulting Numbers: [44, 16] Generated Node #0,0,3: 61:[44, 16] Operation: 79-63=16 Moving to Node #0,3 Current State: 61:[79, 80, 61], Operations: ['44+17=61'] Exploring Operation: 79+80=159, Resulting Numbers: [61, 159] Generated Node #0,3,0: 61:[61, 159] Operation: 79+80=159 Exploring Operation: 80-61=19, Resulting Numbers: [79, 19] Generated Node #0,3,1: 61:[79, 19] Operation: 80-61=19 Exploring Operation: 79-61=18, Resulting Numbers: [80, 18] Generated Node #0,3,2: 61:[80, 18] Operation: 79-61=18 Exploring Operation: 80-79=1, Resulting Numbers: [61, 1] Generated Node #0,3,3: 61:[61, 1] Operation: 80-79=1 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 61:[79, 19], Operations: ['44+17=61', '80-61=19'] Exploring Operation: 79+19=98, Resulting Numbers: [98] 98,61 unequal: No Solution Exploring Operation: 79*19=1501, Resulting Numbers: [1501] 1501,61 unequal: No Solution Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 61:[61, 1], Operations: ['44+17=61', '80-79=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[79, 44, 17, 80], Operations: [] Exploring Operation: 44+17=61, Resulting Numbers: [79, 80, 61] Generated Node #0,3: 61:[79, 80, 61] Operation: 44+17=61 Moving to Node #0,3 Current State: 61:[79, 80, 61], Operations: ['44+17=61'] Exploring Operation: 80-79=1, Resulting Numbers: [61, 1] Generated Node #0,3,3: 61:[61, 1] Operation: 80-79=1 Moving to Node #0,3,3 Current State: 61:[61, 1], Operations: ['44+17=61', '80-79=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 25, 48, 12, 49 ]
10
[ "49-25=24", "48/24=2", "12-2=10" ]
Current State: 10:[25, 48, 12, 49], Operations: [] Exploring Operation: 49-25=24, Resulting Numbers: [48, 12, 24] Generated Node #2: [48, 12, 24] from Operation: 49-25=24 Current State: 10:[48, 12, 24], Operations: ['49-25=24'] Exploring Operation: 48/24=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 48/24=2 Current State: 10:[12, 2], Operations: ['49-25=24', '48/24=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[25, 48, 12, 49], Operations: [] Exploring Operation: 49-48=1, Resulting Numbers: [25, 12, 1] Generated Node #0,0: 10:[25, 12, 1] Operation: 49-48=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[25, 12, 1], Operations: ['49-48=1'] Exploring Operation: 25-12=13, Resulting Numbers: [1, 13] Generated Node #0,0,0: 10:[1, 13] Operation: 25-12=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[1, 13], Operations: ['49-48=1', '25-12=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 47, 72, 47 ]
52
[ "72-47=25", "25/5=5", "47+5=52" ]
Current State: 52:[5, 47, 72, 47], Operations: [] Exploring Operation: 72-47=25, Resulting Numbers: [5, 25] Generated Node #2: [5, 25] from Operation: 72-47=25 Current State: 52:[5, 25], Operations: ['72-47=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,52 equal: Goal Reached Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[5, 47, 72, 47], Operations: [] Exploring Operation: 47-47=0, Resulting Numbers: [5, 72, 0] Generated Node #0,0: 52:[5, 72, 0] Operation: 47-47=0 Exploring Operation: 72-47=25, Resulting Numbers: [5, 47, 25] Generated Node #0,1: 52:[5, 47, 25] Operation: 72-47=25 Exploring Operation: 47/47=1, Resulting Numbers: [5, 72, 1] Generated Node #0,2: 52:[5, 72, 1] Operation: 47/47=1 Exploring Operation: 72-47=25, Resulting Numbers: [5, 47, 25] Generated Node #0,3: 52:[5, 47, 25] Operation: 72-47=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[5, 47, 25], Operations: ['72-47=25'] Exploring Operation: 5+47=52, Resulting Numbers: [25, 52] Generated Node #0,1,0: 52:[25, 52] Operation: 5+47=52 Exploring Operation: 5+25=30, Resulting Numbers: [47, 30] Generated Node #0,1,1: 52:[47, 30] Operation: 5+25=30 Exploring Operation: 25/5=5, Resulting Numbers: [47, 5] Generated Node #0,1,2: 52:[47, 5] Operation: 25/5=5 Exploring Operation: 47-25=22, Resulting Numbers: [5, 22] Generated Node #0,1,3: 52:[5, 22] Operation: 47-25=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[25, 52], Operations: ['72-47=25', '5+47=52'] Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 52:[5, 22], Operations: ['72-47=25', '47-25=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,52 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 52:[47, 5], Operations: ['72-47=25', '25/5=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,52 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[5, 47, 72, 47], Operations: [] Exploring Operation: 72-47=25, Resulting Numbers: [5, 47, 25] Generated Node #0,1: 52:[5, 47, 25] Operation: 72-47=25 Moving to Node #0,1 Current State: 52:[5, 47, 25], Operations: ['72-47=25'] Exploring Operation: 25/5=5, Resulting Numbers: [47, 5] Generated Node #0,1,2: 52:[47, 5] Operation: 25/5=5 Moving to Node #0,1,2 Current State: 52:[47, 5], Operations: ['72-47=25', '25/5=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 87, 88, 92, 85 ]
96
[ "87-85=2", "92*2=184", "184-88=96" ]
Current State: 96:[87, 88, 92, 85], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [88, 92, 2] Generated Node #2: [88, 92, 2] from Operation: 87-85=2 Current State: 96:[88, 92, 2], Operations: ['87-85=2'] Exploring Operation: 92*2=184, Resulting Numbers: [88, 184] Generated Node #3: [88, 184] from Operation: 92*2=184 Current State: 96:[88, 184], Operations: ['87-85=2', '92*2=184'] Exploring Operation: 184-88=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[87, 88, 92, 85], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [88, 92, 2] Generated Node #0,0: 96:[88, 92, 2] Operation: 87-85=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[88, 92, 2], Operations: ['87-85=2'] Exploring Operation: 92-88=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 96:[2, 4] Operation: 92-88=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[2, 4], Operations: ['87-85=2', '92-88=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 1, 81, 86, 20 ]
25
[ "1*81=81", "86+20=106", "106-81=25" ]
Current State: 25:[1, 81, 86, 20], Operations: [] Exploring Operation: 1*81=81, Resulting Numbers: [86, 20, 81] Generated Node #2: [86, 20, 81] from Operation: 1*81=81 Current State: 25:[86, 20, 81], Operations: ['1*81=81'] Exploring Operation: 86+20=106, Resulting Numbers: [81, 106] Generated Node #3: [81, 106] from Operation: 86+20=106 Current State: 25:[81, 106], Operations: ['1*81=81', '86+20=106'] Exploring Operation: 106-81=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[1, 81, 86, 20], Operations: [] Exploring Operation: 81-20=61, Resulting Numbers: [1, 86, 61] Generated Node #0,0: 25:[1, 86, 61] Operation: 81-20=61 Exploring Operation: 86-20=66, Resulting Numbers: [1, 81, 66] Generated Node #0,1: 25:[1, 81, 66] Operation: 86-20=66 Exploring Operation: 86-81=5, Resulting Numbers: [1, 20, 5] Generated Node #0,2: 25:[1, 20, 5] Operation: 86-81=5 Moving to Node #0,2 Current State: 25:[1, 20, 5], Operations: ['86-81=5'] Exploring Operation: 20+5=25, Resulting Numbers: [1, 25] Generated Node #0,2,0: 25:[1, 25] Operation: 20+5=25 Exploring Operation: 1*20=20, Resulting Numbers: [5, 20] Generated Node #0,2,1: 25:[5, 20] Operation: 1*20=20 Exploring Operation: 1+20=21, Resulting Numbers: [5, 21] Generated Node #0,2,2: 25:[5, 21] Operation: 1+20=21 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[1, 25], Operations: ['86-81=5', '20+5=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[1, 81, 86, 20], Operations: [] Exploring Operation: 86-81=5, Resulting Numbers: [1, 20, 5] Generated Node #0,2: 25:[1, 20, 5] Operation: 86-81=5 Moving to Node #0,2 Current State: 25:[1, 20, 5], Operations: ['86-81=5'] Exploring Operation: 20+5=25, Resulting Numbers: [1, 25] Generated Node #0,2,0: 25:[1, 25] Operation: 20+5=25 Moving to Node #0,2,0 Current State: 25:[1, 25], Operations: ['86-81=5', '20+5=25'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 90, 70, 18, 42 ]
72
[ "90*42=3780", "3780/70=54", "18+54=72" ]
Current State: 72:[90, 70, 18, 42], Operations: [] Exploring Operation: 90*42=3780, Resulting Numbers: [70, 18, 3780] Generated Node #2: [70, 18, 3780] from Operation: 90*42=3780 Current State: 72:[70, 18, 3780], Operations: ['90*42=3780'] Exploring Operation: 3780/70=54, Resulting Numbers: [18, 54] Generated Node #3: [18, 54] from Operation: 3780/70=54 Current State: 72:[18, 54], Operations: ['90*42=3780', '3780/70=54'] Exploring Operation: 18+54=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[90, 70, 18, 42], Operations: [] Exploring Operation: 90-42=48, Resulting Numbers: [70, 18, 48] Generated Node #0,0: 72:[70, 18, 48] Operation: 90-42=48 Exploring Operation: 42-18=24, Resulting Numbers: [90, 70, 24] Generated Node #0,1: 72:[90, 70, 24] Operation: 42-18=24 Exploring Operation: 90/18=5, Resulting Numbers: [70, 42, 5] Generated Node #0,2: 72:[70, 42, 5] Operation: 90/18=5 Exploring Operation: 90-18=72, Resulting Numbers: [70, 42, 72] Generated Node #0,3: 72:[70, 42, 72] Operation: 90-18=72 Exploring Operation: 90-70=20, Resulting Numbers: [18, 42, 20] Generated Node #0,4: 72:[18, 42, 20] Operation: 90-70=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 72:[70, 42, 72], Operations: ['90-18=72'] Exploring Operation: 70-42=28, Resulting Numbers: [72, 28] Generated Node #0,3,0: 72:[72, 28] Operation: 70-42=28 Exploring Operation: 72-42=30, Resulting Numbers: [70, 30] Generated Node #0,3,1: 72:[70, 30] Operation: 72-42=30 Exploring Operation: 70+42=112, Resulting Numbers: [72, 112] Generated Node #0,3,2: 72:[72, 112] Operation: 70+42=112 Exploring Operation: 42+72=114, Resulting Numbers: [70, 114] Generated Node #0,3,3: 72:[70, 114] Operation: 42+72=114 Exploring Operation: 72-70=2, Resulting Numbers: [42, 2] Generated Node #0,3,4: 72:[42, 2] Operation: 72-70=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 72:[72, 28], Operations: ['90-18=72', '70-42=28'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,72 unequal: No Solution Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,72 unequal: No Solution No 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: 72:[42, 2], Operations: ['90-18=72', '72-70=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,72 unequal: No Solution No 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: 72:[70, 30], Operations: ['90-18=72', '72-42=30'] Exploring Operation: 70*30=2100, Resulting Numbers: [2100] 2100,72 unequal: No Solution Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 70+30=100, Resulting Numbers: [100] 100,72 unequal: No Solution No 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: 72:[72, 112], Operations: ['90-18=72', '70+42=112'] Exploring Operation: 72*112=8064, Resulting Numbers: [8064] 8064,72 unequal: No Solution Exploring Operation: 72+112=184, Resulting Numbers: [184] 184,72 unequal: No Solution Exploring Operation: 112-72=40, Resulting Numbers: [40] 40,72 unequal: No Solution No 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: 72:[70, 114], Operations: ['90-18=72', '42+72=114'] Exploring Operation: 70*114=7980, Resulting Numbers: [7980] 7980,72 unequal: No Solution Exploring Operation: 114-70=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 70+114=184, Resulting Numbers: [184] 184,72 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: 72:[18, 42, 20], Operations: ['90-70=20'] Exploring Operation: 42-18=24, Resulting Numbers: [20, 24] Generated Node #0,4,0: 72:[20, 24] Operation: 42-18=24 Exploring Operation: 42-20=22, Resulting Numbers: [18, 22] Generated Node #0,4,1: 72:[18, 22] Operation: 42-20=22 Exploring Operation: 20-18=2, Resulting Numbers: [42, 2] Generated Node #0,4,2: 72:[42, 2] Operation: 20-18=2 Exploring Operation: 42+20=62, Resulting Numbers: [18, 62] Generated Node #0,4,3: 72:[18, 62] Operation: 42+20=62 Exploring Operation: 18+20=38, Resulting Numbers: [42, 38] Generated Node #0,4,4: 72:[42, 38] Operation: 18+20=38 Moving to Node #0,4,0 Current State: 72:[20, 24], Operations: ['90-70=20', '42-18=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,72 unequal: No Solution Moving to Node #0,4,1 Current State: 72:[18, 22], Operations: ['90-70=20', '42-20=22'] Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,72 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,72 unequal: No Solution Moving to Node #0,4,2 Current State: 72:[42, 2], Operations: ['90-70=20', '20-18=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,72 unequal: No Solution Moving to Node #0,4,4 Current State: 72:[42, 38], Operations: ['90-70=20', '18+20=38'] Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,72 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,72 unequal: No Solution Moving to Node #0,4,3 Current State: 72:[18, 62], Operations: ['90-70=20', '42+20=62'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,72 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[70, 42, 5], Operations: ['90/18=5'] Exploring Operation: 70-42=28, Resulting Numbers: [5, 28] Generated Node #0,2,0: 72:[5, 28] Operation: 70-42=28 Exploring Operation: 70-5=65, Resulting Numbers: [42, 65] Generated Node #0,2,1: 72:[42, 65] Operation: 70-5=65 Exploring Operation: 70+5=75, Resulting Numbers: [42, 75] Generated Node #0,2,2: 72:[42, 75] Operation: 70+5=75 Exploring Operation: 42-5=37, Resulting Numbers: [70, 37] Generated Node #0,2,3: 72:[70, 37] Operation: 42-5=37 Exploring Operation: 70/5=14, Resulting Numbers: [42, 14] Generated Node #0,2,4: 72:[42, 14] Operation: 70/5=14 Moving to Node #0,2,3 Current State: 72:[70, 37], Operations: ['90/18=5', '42-5=37'] Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 70*37=2590, Resulting Numbers: [2590] 2590,72 unequal: No Solution Exploring Operation: 70+37=107, Resulting Numbers: [107] 107,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[5, 28], Operations: ['90/18=5', '70-42=28'] Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,72 unequal: No Solution Moving to Node #0,2,4 Current State: 72:[42, 14], Operations: ['90/18=5', '70/5=14'] Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[42, 75], Operations: ['90/18=5', '70+5=75'] Exploring Operation: 42+75=117, Resulting Numbers: [117] 117,72 unequal: No Solution Exploring Operation: 42*75=3150, Resulting Numbers: [3150] 3150,72 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[42, 65], Operations: ['90/18=5', '70-5=65'] Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 42+65=107, Resulting Numbers: [107] 107,72 unequal: No Solution Exploring Operation: 42*65=2730, Resulting Numbers: [2730] 2730,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[70, 18, 48], Operations: ['90-42=48'] Exploring Operation: 70-48=22, Resulting Numbers: [18, 22] Generated Node #0,0,0: 72:[18, 22] Operation: 70-48=22 Exploring Operation: 70-18=52, Resulting Numbers: [48, 52] Generated Node #0,0,1: 72:[48, 52] Operation: 70-18=52 Exploring Operation: 48-18=30, Resulting Numbers: [70, 30] Generated Node #0,0,2: 72:[70, 30] Operation: 48-18=30 Exploring Operation: 70+18=88, Resulting Numbers: [48, 88] Generated Node #0,0,3: 72:[48, 88] Operation: 70+18=88 Exploring Operation: 18+48=66, Resulting Numbers: [70, 66] Generated Node #0,0,4: 72:[70, 66] Operation: 18+48=66 Moving to Node #0,0,0 Current State: 72:[18, 22], Operations: ['90-42=48', '70-48=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,72 unequal: No Solution Moving to Node #0,0,4 Current State: 72:[70, 66], Operations: ['90-42=48', '18+48=66'] Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,72 unequal: No Solution Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,72 unequal: No Solution Moving to Node #0,0,2 Current State: 72:[70, 30], Operations: ['90-42=48', '48-18=30'] Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 70*30=2100, Resulting Numbers: [2100] 2100,72 unequal: No Solution Exploring Operation: 70+30=100, Resulting Numbers: [100] 100,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[48, 52], Operations: ['90-42=48', '70-18=52'] Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,72 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 48*52=2496, Resulting Numbers: [2496] 2496,72 unequal: No Solution Moving to Node #0,0,3 Current State: 72:[48, 88], Operations: ['90-42=48', '70+18=88'] Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 48+88=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 48*88=4224, Resulting Numbers: [4224] 4224,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[90, 70, 24], Operations: ['42-18=24'] Exploring Operation: 90-24=66, Resulting Numbers: [70, 66] Generated Node #0,1,0: 72:[70, 66] Operation: 90-24=66 Exploring Operation: 70-24=46, Resulting Numbers: [90, 46] Generated Node #0,1,1: 72:[90, 46] Operation: 70-24=46 Exploring Operation: 70+24=94, Resulting Numbers: [90, 94] Generated Node #0,1,2: 72:[90, 94] Operation: 70+24=94 Exploring Operation: 90+24=114, Resulting Numbers: [70, 114] Generated Node #0,1,3: 72:[70, 114] Operation: 90+24=114 Exploring Operation: 90-70=20, Resulting Numbers: [24, 20] Generated Node #0,1,4: 72:[24, 20] Operation: 90-70=20 Moving to Node #0,1,4 Current State: 72:[24, 20], Operations: ['42-18=24', '90-70=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,72 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[70, 66], Operations: ['42-18=24', '90-24=66'] Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,72 unequal: No Solution Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[90, 46], Operations: ['42-18=24', '70-24=46'] Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[90, 94], Operations: ['42-18=24', '70+24=94'] Exploring Operation: 90+94=184, Resulting Numbers: [184] 184,72 unequal: No Solution Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 90*94=8460, Resulting Numbers: [8460] 8460,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[70, 114], Operations: ['42-18=24', '90+24=114'] Exploring Operation: 70*114=7980, Resulting Numbers: [7980] 7980,72 unequal: No Solution Exploring Operation: 70+114=184, Resulting Numbers: [184] 184,72 unequal: No Solution Exploring Operation: 114-70=44, Resulting Numbers: [44] 44,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 6, 8, 42, 10 ]
15
[ "10-8=2", "42/2=21", "21-6=15" ]
Current State: 15:[6, 8, 42, 10], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [6, 42, 2] Generated Node #2: [6, 42, 2] from Operation: 10-8=2 Current State: 15:[6, 42, 2], Operations: ['10-8=2'] Exploring Operation: 42/2=21, Resulting Numbers: [6, 21] Generated Node #3: [6, 21] from Operation: 42/2=21 Current State: 15:[6, 21], Operations: ['10-8=2', '42/2=21'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[6, 8, 42, 10], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [8, 10, 7] Generated Node #0,0: 15:[8, 10, 7] Operation: 42/6=7 Exploring Operation: 42-10=32, Resulting Numbers: [6, 8, 32] Generated Node #0,1: 15:[6, 8, 32] Operation: 42-10=32 Moving to Node #0,0 Current State: 15:[8, 10, 7], Operations: ['42/6=7'] Exploring Operation: 10-7=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 15:[8, 3] Operation: 10-7=3 Exploring Operation: 10-8=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 15:[7, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[8, 3], Operations: ['42/6=7', '10-7=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,15 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:[7, 2], Operations: ['42/6=7', '10-8=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[6, 8, 32], Operations: ['42-10=32'] Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 15:[6, 4] Operation: 32/8=4 Exploring Operation: 32-8=24, Resulting Numbers: [6, 24] Generated Node #0,1,1: 15:[6, 24] Operation: 32-8=24 Moving to Node #0,1,0 Current State: 15:[6, 4], Operations: ['42-10=32', '32/8=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[6, 24], Operations: ['42-10=32', '32-8=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 71, 4, 66, 73 ]
72
[ "71-4=67", "66+73=139", "139-67=72" ]
Current State: 72:[71, 4, 66, 73], Operations: [] Exploring Operation: 71-4=67, Resulting Numbers: [66, 73, 67] Generated Node #2: [66, 73, 67] from Operation: 71-4=67 Current State: 72:[66, 73, 67], Operations: ['71-4=67'] Exploring Operation: 66+73=139, Resulting Numbers: [67, 139] Generated Node #3: [67, 139] from Operation: 66+73=139 Current State: 72:[67, 139], Operations: ['71-4=67', '66+73=139'] Exploring Operation: 139-67=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[71, 4, 66, 73], Operations: [] Exploring Operation: 71+4=75, Resulting Numbers: [66, 73, 75] Generated Node #0,0: 72:[66, 73, 75] Operation: 71+4=75 Exploring Operation: 71-66=5, Resulting Numbers: [4, 73, 5] Generated Node #0,1: 72:[4, 73, 5] Operation: 71-66=5 Exploring Operation: 4+66=70, Resulting Numbers: [71, 73, 70] Generated Node #0,2: 72:[71, 73, 70] Operation: 4+66=70 Exploring Operation: 73-66=7, Resulting Numbers: [71, 4, 7] Generated Node #0,3: 72:[71, 4, 7] Operation: 73-66=7 Exploring Operation: 73-71=2, Resulting Numbers: [4, 66, 2] Generated Node #0,4: 72:[4, 66, 2] Operation: 73-71=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[4, 73, 5], Operations: ['71-66=5'] Exploring Operation: 5-4=1, Resulting Numbers: [73, 1] Generated Node #0,1,0: 72:[73, 1] Operation: 5-4=1 Exploring Operation: 73-4=69, Resulting Numbers: [5, 69] Generated Node #0,1,1: 72:[5, 69] Operation: 73-4=69 Exploring Operation: 4*5=20, Resulting Numbers: [73, 20] Generated Node #0,1,2: 72:[73, 20] Operation: 4*5=20 Exploring Operation: 4+5=9, Resulting Numbers: [73, 9] Generated Node #0,1,3: 72:[73, 9] Operation: 4+5=9 Exploring Operation: 73-5=68, Resulting Numbers: [4, 68] Generated Node #0,1,4: 72:[4, 68] Operation: 73-5=68 Moving to Node #0,1,3 Current State: 72:[73, 9], Operations: ['71-66=5', '4+5=9'] Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,72 unequal: No Solution Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[73, 1], Operations: ['71-66=5', '5-4=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[71, 4, 66, 73], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [4, 73, 5] Generated Node #0,1: 72:[4, 73, 5] Operation: 71-66=5 Moving to Node #0,1 Current State: 72:[4, 73, 5], Operations: ['71-66=5'] Exploring Operation: 5-4=1, Resulting Numbers: [73, 1] Generated Node #0,1,0: 72:[73, 1] Operation: 5-4=1 Moving to Node #0,1,0 Current State: 72:[73, 1], Operations: ['71-66=5', '5-4=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 6, 40, 74, 72 ]
86
[ "74-72=2", "40*2=80", "6+80=86" ]
Current State: 86:[6, 40, 74, 72], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [6, 40, 2] Generated Node #2: [6, 40, 2] from Operation: 74-72=2 Current State: 86:[6, 40, 2], Operations: ['74-72=2'] Exploring Operation: 40*2=80, Resulting Numbers: [6, 80] Generated Node #3: [6, 80] from Operation: 40*2=80 Current State: 86:[6, 80], Operations: ['74-72=2', '40*2=80'] Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[6, 40, 74, 72], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [6, 40, 2] Generated Node #0,0: 86:[6, 40, 2] Operation: 74-72=2 Exploring Operation: 6+74=80, Resulting Numbers: [40, 72, 80] Generated Node #0,1: 86:[40, 72, 80] Operation: 6+74=80 Exploring Operation: 6+72=78, Resulting Numbers: [40, 74, 78] Generated Node #0,2: 86:[40, 74, 78] Operation: 6+72=78 Moving to Node #0,0 Current State: 86:[6, 40, 2], Operations: ['74-72=2'] Exploring Operation: 6-2=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 86:[40, 4] Operation: 6-2=4 Exploring Operation: 6+40=46, Resulting Numbers: [2, 46] Generated Node #0,0,1: 86:[2, 46] Operation: 6+40=46 Exploring Operation: 6/2=3, Resulting Numbers: [40, 3] Generated Node #0,0,2: 86:[40, 3] Operation: 6/2=3 Moving to Node #0,1 Current State: 86:[40, 72, 80], Operations: ['6+74=80'] Exploring Operation: 80-72=8, Resulting Numbers: [40, 8] Generated Node #0,1,0: 86:[40, 8] Operation: 80-72=8 Exploring Operation: 80/40=2, Resulting Numbers: [72, 2] Generated Node #0,1,1: 86:[72, 2] Operation: 80/40=2 Exploring Operation: 72-40=32, Resulting Numbers: [80, 32] Generated Node #0,1,2: 86:[80, 32] Operation: 72-40=32 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[40, 8], Operations: ['6+74=80', '80-72=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[72, 2], Operations: ['6+74=80', '80/40=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,86 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[80, 32], Operations: ['6+74=80', '72-40=32'] Exploring Operation: 80+32=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 80*32=2560, Resulting Numbers: [2560] 2560,86 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: 86:[40, 74, 78], Operations: ['6+72=78'] Exploring Operation: 74-40=34, Resulting Numbers: [78, 34] Generated Node #0,2,0: 86:[78, 34] Operation: 74-40=34 Exploring Operation: 78-40=38, Resulting Numbers: [74, 38] Generated Node #0,2,1: 86:[74, 38] Operation: 78-40=38 Exploring Operation: 78-74=4, Resulting Numbers: [40, 4] Generated Node #0,2,2: 86:[40, 4] Operation: 78-74=4 Moving to Node #0,0,1 Current State: 86:[2, 46], Operations: ['74-72=2', '6+40=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,86 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[40, 3], Operations: ['74-72=2', '6/2=3'] Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,86 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[40, 4], Operations: ['74-72=2', '6-2=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[40, 4], Operations: ['6+72=78', '78-74=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[74, 38], Operations: ['6+72=78', '78-40=38'] Exploring Operation: 74*38=2812, Resulting Numbers: [2812] 2812,86 unequal: No Solution Exploring Operation: 74+38=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[78, 34], Operations: ['6+72=78', '74-40=34'] Exploring Operation: 78+34=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 78*34=2652, Resulting Numbers: [2652] 2652,86 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,86 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 87, 40, 84 ]
98
[ "84-40=44", "44/4=11", "87+11=98" ]
Current State: 98:[4, 87, 40, 84], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [4, 87, 44] Generated Node #2: [4, 87, 44] from Operation: 84-40=44 Current State: 98:[4, 87, 44], Operations: ['84-40=44'] Exploring Operation: 44/4=11, Resulting Numbers: [87, 11] Generated Node #3: [87, 11] from Operation: 44/4=11 Current State: 98:[87, 11], Operations: ['84-40=44', '44/4=11'] Exploring Operation: 87+11=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[4, 87, 40, 84], Operations: [] Exploring Operation: 87-40=47, Resulting Numbers: [4, 84, 47] Generated Node #0,0: 98:[4, 84, 47] Operation: 87-40=47 Exploring Operation: 87-84=3, Resulting Numbers: [4, 40, 3] Generated Node #0,1: 98:[4, 40, 3] Operation: 87-84=3 Moving to Node #0,1 Current State: 98:[4, 40, 3], Operations: ['87-84=3'] Exploring Operation: 4+40=44, Resulting Numbers: [3, 44] Generated Node #0,1,0: 98:[3, 44] Operation: 4+40=44 Exploring Operation: 40/4=10, Resulting Numbers: [3, 10] Generated Node #0,1,1: 98:[3, 10] Operation: 40/4=10 Moving to Node #0,0 Current State: 98:[4, 84, 47], Operations: ['87-40=47'] Exploring Operation: 4+84=88, Resulting Numbers: [47, 88] Generated Node #0,0,0: 98:[47, 88] Operation: 4+84=88 Exploring Operation: 84/4=21, Resulting Numbers: [47, 21] Generated Node #0,0,1: 98:[47, 21] Operation: 84/4=21 Moving to Node #0,1,1 Current State: 98:[3, 10], Operations: ['87-84=3', '40/4=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[3, 44], Operations: ['87-84=3', '4+40=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[47, 21], Operations: ['87-40=47', '84/4=21'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[47, 88], Operations: ['87-40=47', '4+84=88'] Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,98 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 3, 41, 33, 6 ]
90
[ "6-3=3", "41*3=123", "123-33=90" ]
Current State: 90:[3, 41, 33, 6], Operations: [] Exploring Operation: 6-3=3, Resulting Numbers: [41, 33, 3] Generated Node #2: [41, 33, 3] from Operation: 6-3=3 Current State: 90:[41, 33, 3], Operations: ['6-3=3'] Exploring Operation: 41*3=123, Resulting Numbers: [33, 123] Generated Node #3: [33, 123] from Operation: 41*3=123 Current State: 90:[33, 123], Operations: ['6-3=3', '41*3=123'] Exploring Operation: 123-33=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[3, 41, 33, 6], Operations: [] Exploring Operation: 41+6=47, Resulting Numbers: [3, 33, 47] Generated Node #0,0: 90:[3, 33, 47] Operation: 41+6=47 Exploring Operation: 33-3=30, Resulting Numbers: [41, 6, 30] Generated Node #0,1: 90:[41, 6, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [41, 6, 11] Generated Node #0,2: 90:[41, 6, 11] Operation: 33/3=11 Exploring Operation: 41-33=8, Resulting Numbers: [3, 6, 8] Generated Node #0,3: 90:[3, 6, 8] Operation: 41-33=8 Exploring Operation: 3+41=44, Resulting Numbers: [33, 6, 44] Generated Node #0,4: 90:[33, 6, 44] Operation: 3+41=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[3, 6, 8], Operations: ['41-33=8'] Exploring Operation: 6-3=3, Resulting Numbers: [8, 3] Generated Node #0,3,0: 90:[8, 3] Operation: 6-3=3 Exploring Operation: 3+6=9, Resulting Numbers: [8, 9] Generated Node #0,3,1: 90:[8, 9] Operation: 3+6=9 Exploring Operation: 8-3=5, Resulting Numbers: [6, 5] Generated Node #0,3,2: 90:[6, 5] Operation: 8-3=5 Exploring Operation: 8-6=2, Resulting Numbers: [3, 2] Generated Node #0,3,3: 90:[3, 2] Operation: 8-6=2 Exploring Operation: 3*6=18, Resulting Numbers: [8, 18] Generated Node #0,3,4: 90:[8, 18] Operation: 3*6=18 Moving to Node #0,3,2 Current State: 90:[6, 5], Operations: ['41-33=8', '8-3=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[3, 2], Operations: ['41-33=8', '8-6=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[8, 3], Operations: ['41-33=8', '6-3=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[8, 9], Operations: ['41-33=8', '3+6=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,90 unequal: No Solution Moving to Node #0,3,4 Current State: 90:[8, 18], Operations: ['41-33=8', '3*6=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[41, 6, 30], Operations: ['33-3=30'] Exploring Operation: 6+30=36, Resulting Numbers: [41, 36] Generated Node #0,1,0: 90:[41, 36] Operation: 6+30=36 Exploring Operation: 30/6=5, Resulting Numbers: [41, 5] Generated Node #0,1,1: 90:[41, 5] Operation: 30/6=5 Exploring Operation: 41-6=35, Resulting Numbers: [30, 35] Generated Node #0,1,2: 90:[30, 35] Operation: 41-6=35 Exploring Operation: 41-30=11, Resulting Numbers: [6, 11] Generated Node #0,1,3: 90:[6, 11] Operation: 41-30=11 Exploring Operation: 41+6=47, Resulting Numbers: [30, 47] Generated Node #0,1,4: 90:[30, 47] Operation: 41+6=47 Moving to Node #0,1,3 Current State: 90:[6, 11], Operations: ['33-3=30', '41-30=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[30, 47], Operations: ['33-3=30', '41+6=47'] Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,90 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[41, 5], Operations: ['33-3=30', '30/6=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,90 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[30, 35], Operations: ['33-3=30', '41-6=35'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,90 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[41, 36], Operations: ['33-3=30', '6+30=36'] Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,90 unequal: No Solution Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[33, 6, 44], Operations: ['3+41=44'] Exploring Operation: 33-6=27, Resulting Numbers: [44, 27] Generated Node #0,4,0: 90:[44, 27] Operation: 33-6=27 Exploring Operation: 44-6=38, Resulting Numbers: [33, 38] Generated Node #0,4,1: 90:[33, 38] Operation: 44-6=38 Exploring Operation: 33+6=39, Resulting Numbers: [44, 39] Generated Node #0,4,2: 90:[44, 39] Operation: 33+6=39 Exploring Operation: 6+44=50, Resulting Numbers: [33, 50] Generated Node #0,4,3: 90:[33, 50] Operation: 6+44=50 Exploring Operation: 44-33=11, Resulting Numbers: [6, 11] Generated Node #0,4,4: 90:[6, 11] Operation: 44-33=11 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 90:[6, 11], Operations: ['3+41=44', '44-33=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 90:[44, 27], Operations: ['3+41=44', '33-6=27'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 90:[44, 39], Operations: ['3+41=44', '33+6=39'] Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[33, 50], Operations: ['3+41=44', '6+44=50'] Exploring Operation: 33*50=1650, Resulting Numbers: [1650] 1650,90 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 33+50=83, Resulting Numbers: [83] 83,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 90:[33, 38], Operations: ['3+41=44', '44-6=38'] Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,90 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[3, 33, 47], Operations: ['41+6=47'] Exploring Operation: 33/3=11, Resulting Numbers: [47, 11] Generated Node #0,0,0: 90:[47, 11] Operation: 33/3=11 Exploring Operation: 3+33=36, Resulting Numbers: [47, 36] Generated Node #0,0,1: 90:[47, 36] Operation: 3+33=36 Exploring Operation: 47-3=44, Resulting Numbers: [33, 44] Generated Node #0,0,2: 90:[33, 44] Operation: 47-3=44 Exploring Operation: 47-33=14, Resulting Numbers: [3, 14] Generated Node #0,0,3: 90:[3, 14] Operation: 47-33=14 Exploring Operation: 33-3=30, Resulting Numbers: [47, 30] Generated Node #0,0,4: 90:[47, 30] Operation: 33-3=30 Moving to Node #0,0,3 Current State: 90:[3, 14], Operations: ['41+6=47', '47-33=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[47, 30], Operations: ['41+6=47', '33-3=30'] Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,90 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[47, 11], Operations: ['41+6=47', '33/3=11'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[33, 44], Operations: ['41+6=47', '47-3=44'] Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,90 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,90 unequal: No Solution Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[47, 36], Operations: ['41+6=47', '3+33=36'] Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,90 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[41, 6, 11], Operations: ['33/3=11'] Exploring Operation: 11-6=5, Resulting Numbers: [41, 5] Generated Node #0,2,0: 90:[41, 5] Operation: 11-6=5 Exploring Operation: 41+6=47, Resulting Numbers: [11, 47] Generated Node #0,2,1: 90:[11, 47] Operation: 41+6=47 Exploring Operation: 41-6=35, Resulting Numbers: [11, 35] Generated Node #0,2,2: 90:[11, 35] Operation: 41-6=35 Exploring Operation: 41-11=30, Resulting Numbers: [6, 30] Generated Node #0,2,3: 90:[6, 30] Operation: 41-11=30 Exploring Operation: 6+11=17, Resulting Numbers: [41, 17] Generated Node #0,2,4: 90:[41, 17] Operation: 6+11=17 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[6, 30], Operations: ['33/3=11', '41-11=30'] Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,90 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[11, 47], Operations: ['33/3=11', '41+6=47'] Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,90 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[41, 5], Operations: ['33/3=11', '11-6=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,90 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 90:[41, 17], Operations: ['33/3=11', '6+11=17'] Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,90 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[11, 35], Operations: ['33/3=11', '41-6=35'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,90 unequal: No Solution Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 96, 90, 2, 1 ]
62
[ "96+90=186", "2+1=3", "186/3=62" ]
Current State: 62:[96, 90, 2, 1], Operations: [] Exploring Operation: 96+90=186, Resulting Numbers: [2, 1, 186] Generated Node #2: [2, 1, 186] from Operation: 96+90=186 Current State: 62:[2, 1, 186], Operations: ['96+90=186'] Exploring Operation: 2+1=3, Resulting Numbers: [186, 3] Generated Node #3: [186, 3] from Operation: 2+1=3 Current State: 62:[186, 3], Operations: ['96+90=186', '2+1=3'] Exploring Operation: 186/3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[96, 90, 2, 1], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [90, 1, 48] Generated Node #0,0: 62:[90, 1, 48] Operation: 96/2=48 Exploring Operation: 90/2=45, Resulting Numbers: [96, 1, 45] Generated Node #0,1: 62:[96, 1, 45] Operation: 90/2=45 Exploring Operation: 96-2=94, Resulting Numbers: [90, 1, 94] Generated Node #0,2: 62:[90, 1, 94] Operation: 96-2=94 Exploring Operation: 96-90=6, Resulting Numbers: [2, 1, 6] Generated Node #0,3: 62:[2, 1, 6] Operation: 96-90=6 Moving to Node #0,3 Current State: 62:[2, 1, 6], Operations: ['96-90=6'] Exploring Operation: 6-1=5, Resulting Numbers: [2, 5] Generated Node #0,3,0: 62:[2, 5] Operation: 6-1=5 Exploring Operation: 6/2=3, Resulting Numbers: [1, 3] Generated Node #0,3,1: 62:[1, 3] Operation: 6/2=3 Exploring Operation: 2*1=2, Resulting Numbers: [6, 2] Generated Node #0,3,2: 62:[6, 2] Operation: 2*1=2 Exploring Operation: 6-2=4, Resulting Numbers: [1, 4] Generated Node #0,3,3: 62:[1, 4] Operation: 6-2=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[1, 3], Operations: ['96-90=6', '6/2=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,62 unequal: No Solution No 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: 62:[2, 5], Operations: ['96-90=6', '6-1=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[1, 4], Operations: ['96-90=6', '6-2=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,62 unequal: No Solution No 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: 62:[6, 2], Operations: ['96-90=6', '2*1=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,62 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: 62:[90, 1, 48], Operations: ['96/2=48'] Exploring Operation: 90*1=90, Resulting Numbers: [48, 90] Generated Node #0,0,0: 62:[48, 90] Operation: 90*1=90 Exploring Operation: 1+48=49, Resulting Numbers: [90, 49] Generated Node #0,0,1: 62:[90, 49] Operation: 1+48=49 Exploring Operation: 90-48=42, Resulting Numbers: [1, 42] Generated Node #0,0,2: 62:[1, 42] Operation: 90-48=42 Exploring Operation: 90-1=89, Resulting Numbers: [48, 89] Generated Node #0,0,3: 62:[48, 89] Operation: 90-1=89 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[1, 42], Operations: ['96/2=48', '90-48=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,62 unequal: No Solution Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,62 unequal: No Solution No 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: 62:[90, 49], Operations: ['96/2=48', '1+48=49'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 90+49=139, Resulting Numbers: [139] 139,62 unequal: No Solution Exploring Operation: 90*49=4410, Resulting Numbers: [4410] 4410,62 unequal: No Solution No 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: 62:[48, 89], Operations: ['96/2=48', '90-1=89'] Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 48*89=4272, Resulting Numbers: [4272] 4272,62 unequal: No Solution Exploring Operation: 48+89=137, Resulting Numbers: [137] 137,62 unequal: No Solution No 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: 62:[48, 90], Operations: ['96/2=48', '90*1=90'] Exploring Operation: 48*90=4320, Resulting Numbers: [4320] 4320,62 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,62 unequal: No Solution Exploring Operation: 48+90=138, Resulting Numbers: [138] 138,62 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: 62:[96, 1, 45], Operations: ['90/2=45'] Exploring Operation: 45-1=44, Resulting Numbers: [96, 44] Generated Node #0,1,0: 62:[96, 44] Operation: 45-1=44 Exploring Operation: 96*1=96, Resulting Numbers: [45, 96] Generated Node #0,1,1: 62:[45, 96] Operation: 96*1=96 Exploring Operation: 96-45=51, Resulting Numbers: [1, 51] Generated Node #0,1,2: 62:[1, 51] Operation: 96-45=51 Exploring Operation: 96-1=95, Resulting Numbers: [45, 95] Generated Node #0,1,3: 62:[45, 95] Operation: 96-1=95 Moving to Node #0,2 Current State: 62:[90, 1, 94], Operations: ['96-2=94'] Exploring Operation: 90*1=90, Resulting Numbers: [94, 90] Generated Node #0,2,0: 62:[94, 90] Operation: 90*1=90 Exploring Operation: 90-1=89, Resulting Numbers: [94, 89] Generated Node #0,2,1: 62:[94, 89] Operation: 90-1=89 Exploring Operation: 94-90=4, Resulting Numbers: [1, 4] Generated Node #0,2,2: 62:[1, 4] Operation: 94-90=4 Exploring Operation: 94-1=93, Resulting Numbers: [90, 93] Generated Node #0,2,3: 62:[90, 93] Operation: 94-1=93 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[1, 4], Operations: ['96-2=94', '94-90=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,62 unequal: No Solution No 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: 62:[94, 89], Operations: ['96-2=94', '90-1=89'] Exploring Operation: 94-89=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 94*89=8366, Resulting Numbers: [8366] 8366,62 unequal: No Solution Exploring Operation: 94+89=183, Resulting Numbers: [183] 183,62 unequal: No Solution No 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: 62:[90, 93], Operations: ['96-2=94', '94-1=93'] Exploring Operation: 90*93=8370, Resulting Numbers: [8370] 8370,62 unequal: No Solution Exploring Operation: 90+93=183, Resulting Numbers: [183] 183,62 unequal: No Solution Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,62 unequal: No Solution No 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: 62:[94, 90], Operations: ['96-2=94', '90*1=90'] Exploring Operation: 94*90=8460, Resulting Numbers: [8460] 8460,62 unequal: No Solution Exploring Operation: 94+90=184, Resulting Numbers: [184] 184,62 unequal: No Solution Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,62 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: 62:[1, 51], Operations: ['90/2=45', '96-45=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[45, 95], Operations: ['90/2=45', '96-1=95'] Exploring Operation: 95-45=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 45+95=140, Resulting Numbers: [140] 140,62 unequal: No Solution Exploring Operation: 45*95=4275, Resulting Numbers: [4275] 4275,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[96, 44], Operations: ['90/2=45', '45-1=44'] Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 96+44=140, Resulting Numbers: [140] 140,62 unequal: No Solution Exploring Operation: 96*44=4224, Resulting Numbers: [4224] 4224,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[45, 96], Operations: ['90/2=45', '96*1=96'] Exploring Operation: 45+96=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 96-45=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 45*96=4320, Resulting Numbers: [4320] 4320,62 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 31, 49, 40, 66 ]
44
[ "49-31=18", "66-40=26", "18+26=44" ]
Current State: 44:[31, 49, 40, 66], Operations: [] Exploring Operation: 49-31=18, Resulting Numbers: [40, 66, 18] Generated Node #2: [40, 66, 18] from Operation: 49-31=18 Current State: 44:[40, 66, 18], Operations: ['49-31=18'] Exploring Operation: 66-40=26, Resulting Numbers: [18, 26] Generated Node #3: [18, 26] from Operation: 66-40=26 Current State: 44:[18, 26], Operations: ['49-31=18', '66-40=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[31, 49, 40, 66], Operations: [] Exploring Operation: 40-31=9, Resulting Numbers: [49, 66, 9] Generated Node #0,0: 44:[49, 66, 9] Operation: 40-31=9 Exploring Operation: 66-49=17, Resulting Numbers: [31, 40, 17] Generated Node #0,1: 44:[31, 40, 17] Operation: 66-49=17 Exploring Operation: 66-40=26, Resulting Numbers: [31, 49, 26] Generated Node #0,2: 44:[31, 49, 26] Operation: 66-40=26 Exploring Operation: 66-31=35, Resulting Numbers: [49, 40, 35] Generated Node #0,3: 44:[49, 40, 35] Operation: 66-31=35 Moving to Node #0,1 Current State: 44:[31, 40, 17], Operations: ['66-49=17'] Exploring Operation: 40-17=23, Resulting Numbers: [31, 23] Generated Node #0,1,0: 44:[31, 23] Operation: 40-17=23 Exploring Operation: 40-31=9, Resulting Numbers: [17, 9] Generated Node #0,1,1: 44:[17, 9] Operation: 40-31=9 Exploring Operation: 31+17=48, Resulting Numbers: [40, 48] Generated Node #0,1,2: 44:[40, 48] Operation: 31+17=48 Exploring Operation: 31-17=14, Resulting Numbers: [40, 14] Generated Node #0,1,3: 44:[40, 14] Operation: 31-17=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[17, 9], Operations: ['66-49=17', '40-31=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,44 unequal: No Solution No 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: 44:[40, 14], Operations: ['66-49=17', '31-17=14'] Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,44 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,44 unequal: No Solution No 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: 44:[40, 48], Operations: ['66-49=17', '31+17=48'] Exploring Operation: 40*48=1920, Resulting Numbers: [1920] 1920,44 unequal: No Solution Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 40+48=88, Resulting Numbers: [88] 88,44 unequal: No Solution No 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: 44:[31, 23], Operations: ['66-49=17', '40-17=23'] Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,44 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,44 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: 44:[49, 40, 35], Operations: ['66-31=35'] Exploring Operation: 40-35=5, Resulting Numbers: [49, 5] Generated Node #0,3,0: 44:[49, 5] Operation: 40-35=5 Exploring Operation: 40+35=75, Resulting Numbers: [49, 75] Generated Node #0,3,1: 44:[49, 75] Operation: 40+35=75 Exploring Operation: 49-40=9, Resulting Numbers: [35, 9] Generated Node #0,3,2: 44:[35, 9] Operation: 49-40=9 Exploring Operation: 49-35=14, Resulting Numbers: [40, 14] Generated Node #0,3,3: 44:[40, 14] Operation: 49-35=14 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 44:[49, 5], Operations: ['66-31=35', '40-35=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[31, 49, 40, 66], Operations: [] Exploring Operation: 66-31=35, Resulting Numbers: [49, 40, 35] Generated Node #0,3: 44:[49, 40, 35] Operation: 66-31=35 Moving to Node #0,3 Current State: 44:[49, 40, 35], Operations: ['66-31=35'] Exploring Operation: 40-35=5, Resulting Numbers: [49, 5] Generated Node #0,3,0: 44:[49, 5] Operation: 40-35=5 Moving to Node #0,3,0 Current State: 44:[49, 5], Operations: ['66-31=35', '40-35=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 18, 15, 53, 25 ]
84
[ "18-15=3", "53-25=28", "3*28=84" ]
Current State: 84:[18, 15, 53, 25], Operations: [] Exploring Operation: 18-15=3, Resulting Numbers: [53, 25, 3] Generated Node #2: [53, 25, 3] from Operation: 18-15=3 Current State: 84:[53, 25, 3], Operations: ['18-15=3'] Exploring Operation: 53-25=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 53-25=28 Current State: 84:[3, 28], Operations: ['18-15=3', '53-25=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[18, 15, 53, 25], Operations: [] Exploring Operation: 53-25=28, Resulting Numbers: [18, 15, 28] Generated Node #0,0: 84:[18, 15, 28] Operation: 53-25=28 Exploring Operation: 53-15=38, Resulting Numbers: [18, 25, 38] Generated Node #0,1: 84:[18, 25, 38] Operation: 53-15=38 Exploring Operation: 53+25=78, Resulting Numbers: [18, 15, 78] Generated Node #0,2: 84:[18, 15, 78] Operation: 53+25=78 Moving to Node #0,0 Current State: 84:[18, 15, 28], Operations: ['53-25=28'] Exploring Operation: 28-18=10, Resulting Numbers: [15, 10] Generated Node #0,0,0: 84:[15, 10] Operation: 28-18=10 Exploring Operation: 15+28=43, Resulting Numbers: [18, 43] Generated Node #0,0,1: 84:[18, 43] Operation: 15+28=43 Exploring Operation: 18-15=3, Resulting Numbers: [28, 3] Generated Node #0,0,2: 84:[28, 3] Operation: 18-15=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[28, 3], Operations: ['53-25=28', '18-15=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[18, 15, 53, 25], Operations: [] Exploring Operation: 53-25=28, Resulting Numbers: [18, 15, 28] Generated Node #0,0: 84:[18, 15, 28] Operation: 53-25=28 Moving to Node #0,0 Current State: 84:[18, 15, 28], Operations: ['53-25=28'] Exploring Operation: 18-15=3, Resulting Numbers: [28, 3] Generated Node #0,0,2: 84:[28, 3] Operation: 18-15=3 Moving to Node #0,0,2 Current State: 84:[28, 3], Operations: ['53-25=28', '18-15=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 64, 82, 23, 48 ]
46
[ "64-23=41", "82/41=2", "48-2=46" ]
Current State: 46:[64, 82, 23, 48], Operations: [] Exploring Operation: 64-23=41, Resulting Numbers: [82, 48, 41] Generated Node #2: [82, 48, 41] from Operation: 64-23=41 Current State: 46:[82, 48, 41], Operations: ['64-23=41'] Exploring Operation: 82/41=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 82/41=2 Current State: 46:[48, 2], Operations: ['64-23=41', '82/41=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[64, 82, 23, 48], Operations: [] Exploring Operation: 82-23=59, Resulting Numbers: [64, 48, 59] Generated Node #0,0: 46:[64, 48, 59] Operation: 82-23=59 Exploring Operation: 82-48=34, Resulting Numbers: [64, 23, 34] Generated Node #0,1: 46:[64, 23, 34] Operation: 82-48=34 Exploring Operation: 82-64=18, Resulting Numbers: [23, 48, 18] Generated Node #0,2: 46:[23, 48, 18] Operation: 82-64=18 Moving to Node #0,2 Current State: 46:[23, 48, 18], Operations: ['82-64=18'] Exploring Operation: 23-18=5, Resulting Numbers: [48, 5] Generated Node #0,2,0: 46:[48, 5] Operation: 23-18=5 Exploring Operation: 48-23=25, Resulting Numbers: [18, 25] Generated Node #0,2,1: 46:[18, 25] Operation: 48-23=25 Exploring Operation: 23+18=41, Resulting Numbers: [48, 41] Generated Node #0,2,2: 46:[48, 41] Operation: 23+18=41 Moving to Node #0,1 Current State: 46:[64, 23, 34], Operations: ['82-48=34'] Exploring Operation: 64-34=30, Resulting Numbers: [23, 30] Generated Node #0,1,0: 46:[23, 30] Operation: 64-34=30 Exploring Operation: 34-23=11, Resulting Numbers: [64, 11] Generated Node #0,1,1: 46:[64, 11] Operation: 34-23=11 Exploring Operation: 64-23=41, Resulting Numbers: [34, 41] Generated Node #0,1,2: 46:[34, 41] Operation: 64-23=41 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[23, 30], Operations: ['82-48=34', '64-34=30'] Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[34, 41], Operations: ['82-48=34', '64-23=41'] Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,46 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[64, 11], Operations: ['82-48=34', '34-23=11'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,46 unequal: No Solution Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,46 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: 46:[64, 48, 59], Operations: ['82-23=59'] Exploring Operation: 64-59=5, Resulting Numbers: [48, 5] Generated Node #0,0,0: 46:[48, 5] Operation: 64-59=5 Exploring Operation: 64-48=16, Resulting Numbers: [59, 16] Generated Node #0,0,1: 46:[59, 16] Operation: 64-48=16 Exploring Operation: 59-48=11, Resulting Numbers: [64, 11] Generated Node #0,0,2: 46:[64, 11] Operation: 59-48=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[48, 5], Operations: ['82-23=59', '64-59=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,46 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[59, 16], Operations: ['82-23=59', '64-48=16'] Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,46 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,46 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[64, 11], Operations: ['82-23=59', '59-48=11'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,46 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 46:[48, 5], Operations: ['82-64=18', '23-18=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,46 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,46 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[18, 25], Operations: ['82-64=18', '48-23=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,46 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[48, 41], Operations: ['82-64=18', '23+18=41'] Exploring Operation: 48*41=1968, Resulting Numbers: [1968] 1968,46 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 48+41=89, Resulting Numbers: [89] 89,46 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 47, 4, 49, 26 ]
44
[ "49-47=2", "26-4=22", "2*22=44" ]
Current State: 44:[47, 4, 49, 26], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [4, 26, 2] Generated Node #2: [4, 26, 2] from Operation: 49-47=2 Current State: 44:[4, 26, 2], Operations: ['49-47=2'] Exploring Operation: 26-4=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 26-4=22 Current State: 44:[2, 22], Operations: ['49-47=2', '26-4=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[47, 4, 49, 26], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [4, 26, 2] Generated Node #0,0: 44:[4, 26, 2] Operation: 49-47=2 Exploring Operation: 26-4=22, Resulting Numbers: [47, 49, 22] Generated Node #0,1: 44:[47, 49, 22] Operation: 26-4=22 Exploring Operation: 47-26=21, Resulting Numbers: [4, 49, 21] Generated Node #0,2: 44:[4, 49, 21] Operation: 47-26=21 Exploring Operation: 49-26=23, Resulting Numbers: [47, 4, 23] Generated Node #0,3: 44:[47, 4, 23] Operation: 49-26=23 Exploring Operation: 49-4=45, Resulting Numbers: [47, 26, 45] Generated Node #0,4: 44:[47, 26, 45] Operation: 49-4=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[4, 26, 2], Operations: ['49-47=2'] Exploring Operation: 4-2=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 44:[26, 2] Operation: 4-2=2 Exploring Operation: 26/2=13, Resulting Numbers: [4, 13] Generated Node #0,0,1: 44:[4, 13] Operation: 26/2=13 Exploring Operation: 26-4=22, Resulting Numbers: [2, 22] Generated Node #0,0,2: 44:[2, 22] Operation: 26-4=22 Exploring Operation: 26-2=24, Resulting Numbers: [4, 24] Generated Node #0,0,3: 44:[4, 24] Operation: 26-2=24 Exploring Operation: 4/2=2, Resulting Numbers: [26, 2] Generated Node #0,0,4: 44:[26, 2] Operation: 4/2=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 44:[2, 22], Operations: ['49-47=2', '26-4=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[47, 4, 49, 26], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [4, 26, 2] Generated Node #0,0: 44:[4, 26, 2] Operation: 49-47=2 Moving to Node #0,0 Current State: 44:[4, 26, 2], Operations: ['49-47=2'] Exploring Operation: 26-4=22, Resulting Numbers: [2, 22] Generated Node #0,0,2: 44:[2, 22] Operation: 26-4=22 Moving to Node #0,0,2 Current State: 44:[2, 22], Operations: ['49-47=2', '26-4=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 58, 29, 42, 92 ]
48
[ "58/29=2", "92-42=50", "50-2=48" ]
Current State: 48:[58, 29, 42, 92], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [42, 92, 2] Generated Node #2: [42, 92, 2] from Operation: 58/29=2 Current State: 48:[42, 92, 2], Operations: ['58/29=2'] Exploring Operation: 92-42=50, Resulting Numbers: [2, 50] Generated Node #3: [2, 50] from Operation: 92-42=50 Current State: 48:[2, 50], Operations: ['58/29=2', '92-42=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[58, 29, 42, 92], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [42, 92, 2] Generated Node #0,0: 48:[42, 92, 2] Operation: 58/29=2 Exploring Operation: 92-29=63, Resulting Numbers: [58, 42, 63] Generated Node #0,1: 48:[58, 42, 63] Operation: 92-29=63 Exploring Operation: 92-58=34, Resulting Numbers: [29, 42, 34] Generated Node #0,2: 48:[29, 42, 34] Operation: 92-58=34 Exploring Operation: 58-42=16, Resulting Numbers: [29, 92, 16] Generated Node #0,3: 48:[29, 92, 16] Operation: 58-42=16 Exploring Operation: 92-42=50, Resulting Numbers: [58, 29, 50] Generated Node #0,4: 48:[58, 29, 50] Operation: 92-42=50 Moving to Node #0,4 Current State: 48:[58, 29, 50], Operations: ['92-42=50'] Exploring Operation: 58-29=29, Resulting Numbers: [50, 29] Generated Node #0,4,0: 48:[50, 29] Operation: 58-29=29 Exploring Operation: 50-29=21, Resulting Numbers: [58, 21] Generated Node #0,4,1: 48:[58, 21] Operation: 50-29=21 Exploring Operation: 58+29=87, Resulting Numbers: [50, 87] Generated Node #0,4,2: 48:[50, 87] Operation: 58+29=87 Exploring Operation: 58/29=2, Resulting Numbers: [50, 2] Generated Node #0,4,3: 48:[50, 2] Operation: 58/29=2 Exploring Operation: 58-50=8, Resulting Numbers: [29, 8] Generated Node #0,4,4: 48:[29, 8] Operation: 58-50=8 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 48:[50, 2], Operations: ['92-42=50', '58/29=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[58, 29, 42, 92], Operations: [] Exploring Operation: 92-42=50, Resulting Numbers: [58, 29, 50] Generated Node #0,4: 48:[58, 29, 50] Operation: 92-42=50 Moving to Node #0,4 Current State: 48:[58, 29, 50], Operations: ['92-42=50'] Exploring Operation: 58/29=2, Resulting Numbers: [50, 2] Generated Node #0,4,3: 48:[50, 2] Operation: 58/29=2 Moving to Node #0,4,3 Current State: 48:[50, 2], Operations: ['92-42=50', '58/29=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 62, 87, 44, 10 ]
59
[ "87-62=25", "44-10=34", "25+34=59" ]
Current State: 59:[62, 87, 44, 10], Operations: [] Exploring Operation: 87-62=25, Resulting Numbers: [44, 10, 25] Generated Node #2: [44, 10, 25] from Operation: 87-62=25 Current State: 59:[44, 10, 25], Operations: ['87-62=25'] Exploring Operation: 44-10=34, Resulting Numbers: [25, 34] Generated Node #3: [25, 34] from Operation: 44-10=34 Current State: 59:[25, 34], Operations: ['87-62=25', '44-10=34'] Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[62, 87, 44, 10], Operations: [] Exploring Operation: 62-10=52, Resulting Numbers: [87, 44, 52] Generated Node #0,0: 59:[87, 44, 52] Operation: 62-10=52 Exploring Operation: 87-10=77, Resulting Numbers: [62, 44, 77] Generated Node #0,1: 59:[62, 44, 77] Operation: 87-10=77 Exploring Operation: 44+10=54, Resulting Numbers: [62, 87, 54] Generated Node #0,2: 59:[62, 87, 54] Operation: 44+10=54 Moving to Node #0,1 Current State: 59:[62, 44, 77], Operations: ['87-10=77'] Exploring Operation: 77-62=15, Resulting Numbers: [44, 15] Generated Node #0,1,0: 59:[44, 15] Operation: 77-62=15 Exploring Operation: 77-44=33, Resulting Numbers: [62, 33] Generated Node #0,1,1: 59:[62, 33] Operation: 77-44=33 Exploring Operation: 62-44=18, Resulting Numbers: [77, 18] Generated Node #0,1,2: 59:[77, 18] Operation: 62-44=18 Moving to Node #0,2 Current State: 59:[62, 87, 54], Operations: ['44+10=54'] Exploring Operation: 62-54=8, Resulting Numbers: [87, 8] Generated Node #0,2,0: 59:[87, 8] Operation: 62-54=8 Exploring Operation: 87-62=25, Resulting Numbers: [54, 25] Generated Node #0,2,1: 59:[54, 25] Operation: 87-62=25 Exploring Operation: 87-54=33, Resulting Numbers: [62, 33] Generated Node #0,2,2: 59:[62, 33] Operation: 87-54=33 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[62, 33], Operations: ['44+10=54', '87-54=33'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,59 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,59 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 #0,2,1 Current State: 59:[54, 25], Operations: ['44+10=54', '87-62=25'] Exploring Operation: 54*25=1350, Resulting Numbers: [1350] 1350,59 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,59 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 #0,2,0 Current State: 59:[87, 8], Operations: ['44+10=54', '62-54=8'] Exploring Operation: 87*8=696, Resulting Numbers: [696] 696,59 unequal: No Solution Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 87+8=95, Resulting Numbers: [95] 95,59 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: 59:[87, 44, 52], Operations: ['62-10=52'] Exploring Operation: 87-52=35, Resulting Numbers: [44, 35] Generated Node #0,0,0: 59:[44, 35] Operation: 87-52=35 Exploring Operation: 44+52=96, Resulting Numbers: [87, 96] Generated Node #0,0,1: 59:[87, 96] Operation: 44+52=96 Exploring Operation: 87-44=43, Resulting Numbers: [52, 43] Generated Node #0,0,2: 59:[52, 43] Operation: 87-44=43 Moving to Node #0,0,2 Current State: 59:[52, 43], Operations: ['62-10=52', '87-44=43'] Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,59 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[62, 33], Operations: ['87-10=77', '77-44=33'] Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,59 unequal: No Solution Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[44, 35], Operations: ['62-10=52', '87-52=35'] Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 44*35=1540, Resulting Numbers: [1540] 1540,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[77, 18], Operations: ['87-10=77', '62-44=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[62, 87, 44, 10], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [62, 44, 77] Generated Node #0,1: 59:[62, 44, 77] Operation: 87-10=77 Moving to Node #0,1 Current State: 59:[62, 44, 77], Operations: ['87-10=77'] Exploring Operation: 62-44=18, Resulting Numbers: [77, 18] Generated Node #0,1,2: 59:[77, 18] Operation: 62-44=18 Moving to Node #0,1,2 Current State: 59:[77, 18], Operations: ['87-10=77', '62-44=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.969618
hs_3
mult_heuristic
[ 46, 86, 68, 74 ]
46
[ "86-46=40", "74-68=6", "40+6=46" ]
Current State: 46:[46, 86, 68, 74], Operations: [] Exploring Operation: 86-46=40, Resulting Numbers: [68, 74, 40] Generated Node #2: [68, 74, 40] from Operation: 86-46=40 Current State: 46:[68, 74, 40], Operations: ['86-46=40'] Exploring Operation: 74-68=6, Resulting Numbers: [40, 6] Generated Node #3: [40, 6] from Operation: 74-68=6 Current State: 46:[40, 6], Operations: ['86-46=40', '74-68=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[46, 86, 68, 74], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [46, 68, 12] Generated Node #0,0: 46:[46, 68, 12] Operation: 86-74=12 Exploring Operation: 86-68=18, Resulting Numbers: [46, 74, 18] Generated Node #0,1: 46:[46, 74, 18] Operation: 86-68=18 Moving to Node #0,0 Current State: 46:[46, 68, 12], Operations: ['86-74=12'] Exploring Operation: 68-46=22, Resulting Numbers: [12, 22] Generated Node #0,0,0: 46:[12, 22] Operation: 68-46=22 Exploring Operation: 68-12=56, Resulting Numbers: [46, 56] Generated Node #0,0,1: 46:[46, 56] Operation: 68-12=56 Moving to Node #0,1 Current State: 46:[46, 74, 18], Operations: ['86-68=18'] Exploring Operation: 74-18=56, Resulting Numbers: [46, 56] Generated Node #0,1,0: 46:[46, 56] Operation: 74-18=56 Exploring Operation: 74-46=28, Resulting Numbers: [18, 28] Generated Node #0,1,1: 46:[18, 28] Operation: 74-46=28 Moving to Node #0,0,1 Current State: 46:[46, 56], Operations: ['86-74=12', '68-12=56'] Exploring Operation: 46+56=102, Resulting Numbers: [102] 102,46 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[46, 56], Operations: ['86-68=18', '74-18=56'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 46+56=102, Resulting Numbers: [102] 102,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[18, 28], Operations: ['86-68=18', '74-46=28'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[46, 86, 68, 74], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [46, 74, 18] Generated Node #0,1: 46:[46, 74, 18] Operation: 86-68=18 Moving to Node #0,1 Current State: 46:[46, 74, 18], Operations: ['86-68=18'] Exploring Operation: 74-46=28, Resulting Numbers: [18, 28] Generated Node #0,1,1: 46:[18, 28] Operation: 74-46=28 Moving to Node #0,1,1 Current State: 46:[18, 28], Operations: ['86-68=18', '74-46=28'] Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 75, 41, 61, 89 ]
62
[ "75-41=34", "89-61=28", "34+28=62" ]
Current State: 62:[75, 41, 61, 89], Operations: [] Exploring Operation: 75-41=34, Resulting Numbers: [61, 89, 34] Generated Node #2: [61, 89, 34] from Operation: 75-41=34 Current State: 62:[61, 89, 34], Operations: ['75-41=34'] Exploring Operation: 89-61=28, Resulting Numbers: [34, 28] Generated Node #3: [34, 28] from Operation: 89-61=28 Current State: 62:[34, 28], Operations: ['75-41=34', '89-61=28'] Exploring Operation: 34+28=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[75, 41, 61, 89], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [41, 61, 14] Generated Node #0,0: 62:[41, 61, 14] Operation: 89-75=14 Moving to Node #0,0 Current State: 62:[41, 61, 14], Operations: ['89-75=14'] Exploring Operation: 41-14=27, Resulting Numbers: [61, 27] Generated Node #0,0,0: 62:[61, 27] Operation: 41-14=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[61, 27], Operations: ['89-75=14', '41-14=27'] Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,62 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
[ 89, 31, 9, 28 ]
86
[ "31-28=3", "9/3=3", "89-3=86" ]
Current State: 86:[89, 31, 9, 28], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [89, 9, 3] Generated Node #2: [89, 9, 3] from Operation: 31-28=3 Current State: 86:[89, 9, 3], Operations: ['31-28=3'] Exploring Operation: 9/3=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 9/3=3 Current State: 86:[89, 3], Operations: ['31-28=3', '9/3=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[89, 31, 9, 28], Operations: [] Exploring Operation: 31+9=40, Resulting Numbers: [89, 28, 40] Generated Node #0,0: 86:[89, 28, 40] Operation: 31+9=40 Exploring Operation: 31-28=3, Resulting Numbers: [89, 9, 3] Generated Node #0,1: 86:[89, 9, 3] Operation: 31-28=3 Exploring Operation: 9+28=37, Resulting Numbers: [89, 31, 37] Generated Node #0,2: 86:[89, 31, 37] Operation: 9+28=37 Exploring Operation: 28-9=19, Resulting Numbers: [89, 31, 19] Generated Node #0,3: 86:[89, 31, 19] Operation: 28-9=19 Exploring Operation: 31+28=59, Resulting Numbers: [89, 9, 59] Generated Node #0,4: 86:[89, 9, 59] Operation: 31+28=59 Moving to Node #0,1 Current State: 86:[89, 9, 3], Operations: ['31-28=3'] Exploring Operation: 9-3=6, Resulting Numbers: [89, 6] Generated Node #0,1,0: 86:[89, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [89, 3] Generated Node #0,1,1: 86:[89, 3] Operation: 9/3=3 Exploring Operation: 89-9=80, Resulting Numbers: [3, 80] Generated Node #0,1,2: 86:[3, 80] Operation: 89-9=80 Exploring Operation: 89-3=86, Resulting Numbers: [9, 86] Generated Node #0,1,3: 86:[9, 86] Operation: 89-3=86 Exploring Operation: 89+9=98, Resulting Numbers: [3, 98] Generated Node #0,1,4: 86:[3, 98] Operation: 89+9=98 Moving to Node #0,2 Current State: 86:[89, 31, 37], Operations: ['9+28=37'] Exploring Operation: 31+37=68, Resulting Numbers: [89, 68] Generated Node #0,2,0: 86:[89, 68] Operation: 31+37=68 Exploring Operation: 89+31=120, Resulting Numbers: [37, 120] Generated Node #0,2,1: 86:[37, 120] Operation: 89+31=120 Exploring Operation: 37-31=6, Resulting Numbers: [89, 6] Generated Node #0,2,2: 86:[89, 6] Operation: 37-31=6 Exploring Operation: 89-37=52, Resulting Numbers: [31, 52] Generated Node #0,2,3: 86:[31, 52] Operation: 89-37=52 Exploring Operation: 89-31=58, Resulting Numbers: [37, 58] Generated Node #0,2,4: 86:[37, 58] Operation: 89-31=58 Moving to Node #0,0 Current State: 86:[89, 28, 40], Operations: ['31+9=40'] Exploring Operation: 89+28=117, Resulting Numbers: [40, 117] Generated Node #0,0,0: 86:[40, 117] Operation: 89+28=117 Exploring Operation: 40-28=12, Resulting Numbers: [89, 12] Generated Node #0,0,1: 86:[89, 12] Operation: 40-28=12 Exploring Operation: 89-28=61, Resulting Numbers: [40, 61] Generated Node #0,0,2: 86:[40, 61] Operation: 89-28=61 Exploring Operation: 28+40=68, Resulting Numbers: [89, 68] Generated Node #0,0,3: 86:[89, 68] Operation: 28+40=68 Exploring Operation: 89-40=49, Resulting Numbers: [28, 49] Generated Node #0,0,4: 86:[28, 49] Operation: 89-40=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[89, 12], Operations: ['31+9=40', '40-28=12'] Exploring Operation: 89+12=101, Resulting Numbers: [101] 101,86 unequal: No Solution Exploring Operation: 89*12=1068, Resulting Numbers: [1068] 1068,86 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[40, 61], Operations: ['31+9=40', '89-28=61'] Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,86 unequal: No Solution Exploring Operation: 40*61=2440, Resulting Numbers: [2440] 2440,86 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[89, 68], Operations: ['31+9=40', '28+40=68'] Exploring Operation: 89+68=157, Resulting Numbers: [157] 157,86 unequal: No Solution Exploring Operation: 89-68=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 89*68=6052, Resulting Numbers: [6052] 6052,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 86:[28, 49], Operations: ['31+9=40', '89-40=49'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 28*49=1372, Resulting Numbers: [1372] 1372,86 unequal: No Solution Exploring Operation: 28+49=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[40, 117], Operations: ['31+9=40', '89+28=117'] Exploring Operation: 40+117=157, Resulting Numbers: [157] 157,86 unequal: No Solution Exploring Operation: 40*117=4680, Resulting Numbers: [4680] 4680,86 unequal: No Solution Exploring Operation: 117-40=77, Resulting Numbers: [77] 77,86 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: 86:[89, 9, 59], Operations: ['31+28=59'] Exploring Operation: 59-9=50, Resulting Numbers: [89, 50] Generated Node #0,4,0: 86:[89, 50] Operation: 59-9=50 Exploring Operation: 89-9=80, Resulting Numbers: [59, 80] Generated Node #0,4,1: 86:[59, 80] Operation: 89-9=80 Exploring Operation: 89+9=98, Resulting Numbers: [59, 98] Generated Node #0,4,2: 86:[59, 98] Operation: 89+9=98 Exploring Operation: 89-59=30, Resulting Numbers: [9, 30] Generated Node #0,4,3: 86:[9, 30] Operation: 89-59=30 Exploring Operation: 9+59=68, Resulting Numbers: [89, 68] Generated Node #0,4,4: 86:[89, 68] Operation: 9+59=68 Moving to Node #0,3 Current State: 86:[89, 31, 19], Operations: ['28-9=19'] Exploring Operation: 31+19=50, Resulting Numbers: [89, 50] Generated Node #0,3,0: 86:[89, 50] Operation: 31+19=50 Exploring Operation: 31-19=12, Resulting Numbers: [89, 12] Generated Node #0,3,1: 86:[89, 12] Operation: 31-19=12 Exploring Operation: 89-19=70, Resulting Numbers: [31, 70] Generated Node #0,3,2: 86:[31, 70] Operation: 89-19=70 Exploring Operation: 89-31=58, Resulting Numbers: [19, 58] Generated Node #0,3,3: 86:[19, 58] Operation: 89-31=58 Exploring Operation: 89+19=108, Resulting Numbers: [31, 108] Generated Node #0,3,4: 86:[31, 108] Operation: 89+19=108 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[89, 50], Operations: ['28-9=19', '31+19=50'] Exploring Operation: 89*50=4450, Resulting Numbers: [4450] 4450,86 unequal: No Solution Exploring Operation: 89+50=139, Resulting Numbers: [139] 139,86 unequal: No Solution Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[89, 12], Operations: ['28-9=19', '31-19=12'] Exploring Operation: 89*12=1068, Resulting Numbers: [1068] 1068,86 unequal: No Solution Exploring Operation: 89+12=101, Resulting Numbers: [101] 101,86 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[31, 70], Operations: ['28-9=19', '89-19=70'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 31*70=2170, Resulting Numbers: [2170] 2170,86 unequal: No Solution Exploring Operation: 31+70=101, Resulting Numbers: [101] 101,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 86:[19, 58], Operations: ['28-9=19', '89-31=58'] Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,86 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 86:[31, 108], Operations: ['28-9=19', '89+19=108'] Exploring Operation: 108-31=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 31*108=3348, Resulting Numbers: [3348] 3348,86 unequal: No Solution Exploring Operation: 31+108=139, Resulting Numbers: [139] 139,86 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: 86:[89, 3], Operations: ['31-28=3', '9/3=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[89, 31, 9, 28], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [89, 9, 3] Generated Node #0,1: 86:[89, 9, 3] Operation: 31-28=3 Moving to Node #0,1 Current State: 86:[89, 9, 3], Operations: ['31-28=3'] Exploring Operation: 9/3=3, Resulting Numbers: [89, 3] Generated Node #0,1,1: 86:[89, 3] Operation: 9/3=3 Moving to Node #0,1,1 Current State: 86:[89, 3], Operations: ['31-28=3', '9/3=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.943576
hs_5
sum_heuristic
[ 29, 66, 47, 9 ]
19
[ "66-29=37", "47+9=56", "56-37=19" ]
Current State: 19:[29, 66, 47, 9], Operations: [] Exploring Operation: 66-29=37, Resulting Numbers: [47, 9, 37] Generated Node #2: [47, 9, 37] from Operation: 66-29=37 Current State: 19:[47, 9, 37], Operations: ['66-29=37'] Exploring Operation: 47+9=56, Resulting Numbers: [37, 56] Generated Node #3: [37, 56] from Operation: 47+9=56 Current State: 19:[37, 56], Operations: ['66-29=37', '47+9=56'] Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[29, 66, 47, 9], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [29, 9, 19] Generated Node #0,0: 19:[29, 9, 19] Operation: 66-47=19 Exploring Operation: 66-29=37, Resulting Numbers: [47, 9, 37] Generated Node #0,1: 19:[47, 9, 37] Operation: 66-29=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[29, 9, 19], Operations: ['66-47=19'] Exploring Operation: 29-9=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 19:[19, 20] Operation: 29-9=20 Exploring Operation: 29+9=38, Resulting Numbers: [19, 38] Generated Node #0,0,1: 19:[19, 38] Operation: 29+9=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[19, 20], Operations: ['66-47=19', '29-9=20'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,19 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 #0,0,1 Current State: 19:[19, 38], Operations: ['66-47=19', '29+9=38'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[29, 66, 47, 9], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [29, 9, 19] Generated Node #0,0: 19:[29, 9, 19] Operation: 66-47=19 Moving to Node #0,0 Current State: 19:[29, 9, 19], Operations: ['66-47=19'] Exploring Operation: 29+9=38, Resulting Numbers: [19, 38] Generated Node #0,0,1: 19:[19, 38] Operation: 29+9=38 Moving to Node #0,0,1 Current State: 19:[19, 38], Operations: ['66-47=19', '29+9=38'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 18, 65, 24, 63 ]
21
[ "18+24=42", "65-63=2", "42/2=21" ]
Current State: 21:[18, 65, 24, 63], Operations: [] Exploring Operation: 18+24=42, Resulting Numbers: [65, 63, 42] Generated Node #2: [65, 63, 42] from Operation: 18+24=42 Current State: 21:[65, 63, 42], Operations: ['18+24=42'] Exploring Operation: 65-63=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 65-63=2 Current State: 21:[42, 2], Operations: ['18+24=42', '65-63=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[18, 65, 24, 63], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [18, 24, 2] Generated Node #0,0: 21:[18, 24, 2] Operation: 65-63=2 Exploring Operation: 65-24=41, Resulting Numbers: [18, 63, 41] Generated Node #0,1: 21:[18, 63, 41] Operation: 65-24=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[18, 24, 2], Operations: ['65-63=2'] Exploring Operation: 18+2=20, Resulting Numbers: [24, 20] Generated Node #0,0,0: 21:[24, 20] Operation: 18+2=20 Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 21:[2, 6] Operation: 24-18=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[2, 6], Operations: ['65-63=2', '24-18=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[24, 20], Operations: ['65-63=2', '18+2=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[18, 63, 41], Operations: ['65-24=41'] Exploring Operation: 63-41=22, Resulting Numbers: [18, 22] Generated Node #0,1,0: 21:[18, 22] Operation: 63-41=22 Exploring Operation: 63-18=45, Resulting Numbers: [41, 45] Generated Node #0,1,1: 21:[41, 45] Operation: 63-18=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[18, 22], Operations: ['65-24=41', '63-41=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[41, 45], Operations: ['65-24=41', '63-18=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,21 unequal: No Solution Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 39, 30, 6, 23 ]
40
[ "39+30=69", "6+23=29", "69-29=40" ]
Current State: 40:[39, 30, 6, 23], Operations: [] Exploring Operation: 39+30=69, Resulting Numbers: [6, 23, 69] Generated Node #2: [6, 23, 69] from Operation: 39+30=69 Current State: 40:[6, 23, 69], Operations: ['39+30=69'] Exploring Operation: 6+23=29, Resulting Numbers: [69, 29] Generated Node #3: [69, 29] from Operation: 6+23=29 Current State: 40:[69, 29], Operations: ['39+30=69', '6+23=29'] Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[39, 30, 6, 23], Operations: [] Exploring Operation: 30-6=24, Resulting Numbers: [39, 23, 24] Generated Node #0,0: 40:[39, 23, 24] Operation: 30-6=24 Exploring Operation: 30-23=7, Resulting Numbers: [39, 6, 7] Generated Node #0,1: 40:[39, 6, 7] Operation: 30-23=7 Exploring Operation: 30/6=5, Resulting Numbers: [39, 23, 5] Generated Node #0,2: 40:[39, 23, 5] Operation: 30/6=5 Exploring Operation: 39-30=9, Resulting Numbers: [6, 23, 9] Generated Node #0,3: 40:[6, 23, 9] Operation: 39-30=9 Exploring Operation: 30+6=36, Resulting Numbers: [39, 23, 36] Generated Node #0,4: 40:[39, 23, 36] Operation: 30+6=36 Moving to Node #0,1 Current State: 40:[39, 6, 7], Operations: ['30-23=7'] Exploring Operation: 7-6=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 40:[39, 1] Operation: 7-6=1 Exploring Operation: 6+7=13, Resulting Numbers: [39, 13] Generated Node #0,1,1: 40:[39, 13] Operation: 6+7=13 Exploring Operation: 6*7=42, Resulting Numbers: [39, 42] Generated Node #0,1,2: 40:[39, 42] Operation: 6*7=42 Exploring Operation: 39+6=45, Resulting Numbers: [7, 45] Generated Node #0,1,3: 40:[7, 45] Operation: 39+6=45 Exploring Operation: 39+7=46, Resulting Numbers: [6, 46] Generated Node #0,1,4: 40:[6, 46] Operation: 39+7=46 Moving to Node #0,2 Current State: 40:[39, 23, 5], Operations: ['30/6=5'] Exploring Operation: 23+5=28, Resulting Numbers: [39, 28] Generated Node #0,2,0: 40:[39, 28] Operation: 23+5=28 Exploring Operation: 39+5=44, Resulting Numbers: [23, 44] Generated Node #0,2,1: 40:[23, 44] Operation: 39+5=44 Exploring Operation: 23-5=18, Resulting Numbers: [39, 18] Generated Node #0,2,2: 40:[39, 18] Operation: 23-5=18 Exploring Operation: 39-23=16, Resulting Numbers: [5, 16] Generated Node #0,2,3: 40:[5, 16] Operation: 39-23=16 Exploring Operation: 39-5=34, Resulting Numbers: [23, 34] Generated Node #0,2,4: 40:[23, 34] Operation: 39-5=34 Moving to Node #0,3 Current State: 40:[6, 23, 9], Operations: ['39-30=9'] Exploring Operation: 23-6=17, Resulting Numbers: [9, 17] Generated Node #0,3,0: 40:[9, 17] Operation: 23-6=17 Exploring Operation: 6+9=15, Resulting Numbers: [23, 15] Generated Node #0,3,1: 40:[23, 15] Operation: 6+9=15 Exploring Operation: 23+9=32, Resulting Numbers: [6, 32] Generated Node #0,3,2: 40:[6, 32] Operation: 23+9=32 Exploring Operation: 23-9=14, Resulting Numbers: [6, 14] Generated Node #0,3,3: 40:[6, 14] Operation: 23-9=14 Exploring Operation: 9-6=3, Resulting Numbers: [23, 3] Generated Node #0,3,4: 40:[23, 3] Operation: 9-6=3 Moving to Node #0,0 Current State: 40:[39, 23, 24], Operations: ['30-6=24'] Exploring Operation: 24-23=1, Resulting Numbers: [39, 1] Generated Node #0,0,0: 40:[39, 1] Operation: 24-23=1 Exploring Operation: 39-23=16, Resulting Numbers: [24, 16] Generated Node #0,0,1: 40:[24, 16] Operation: 39-23=16 Exploring Operation: 23+24=47, Resulting Numbers: [39, 47] Generated Node #0,0,2: 40:[39, 47] Operation: 23+24=47 Exploring Operation: 39+23=62, Resulting Numbers: [24, 62] Generated Node #0,0,3: 40:[24, 62] Operation: 39+23=62 Exploring Operation: 39-24=15, Resulting Numbers: [23, 15] Generated Node #0,0,4: 40:[23, 15] Operation: 39-24=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[39, 1], Operations: ['30-6=24', '24-23=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,40 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[39, 30, 6, 23], Operations: [] Exploring Operation: 30-6=24, Resulting Numbers: [39, 23, 24] Generated Node #0,0: 40:[39, 23, 24] Operation: 30-6=24 Moving to Node #0,0 Current State: 40:[39, 23, 24], Operations: ['30-6=24'] Exploring Operation: 24-23=1, Resulting Numbers: [39, 1] Generated Node #0,0,0: 40:[39, 1] Operation: 24-23=1 Moving to Node #0,0,0 Current State: 40:[39, 1], Operations: ['30-6=24', '24-23=1'] Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
mult_heuristic
[ 61, 63, 42, 31 ]
51
[ "61+63=124", "42+31=73", "124-73=51" ]
Current State: 51:[61, 63, 42, 31], Operations: [] Exploring Operation: 61+63=124, Resulting Numbers: [42, 31, 124] Generated Node #2: [42, 31, 124] from Operation: 61+63=124 Current State: 51:[42, 31, 124], Operations: ['61+63=124'] Exploring Operation: 42+31=73, Resulting Numbers: [124, 73] Generated Node #3: [124, 73] from Operation: 42+31=73 Current State: 51:[124, 73], Operations: ['61+63=124', '42+31=73'] Exploring Operation: 124-73=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[61, 63, 42, 31], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [42, 31, 2] Generated Node #0,0: 51:[42, 31, 2] Operation: 63-61=2 Exploring Operation: 61-42=19, Resulting Numbers: [63, 31, 19] Generated Node #0,1: 51:[63, 31, 19] Operation: 61-42=19 Exploring Operation: 63-42=21, Resulting Numbers: [61, 31, 21] Generated Node #0,2: 51:[61, 31, 21] Operation: 63-42=21 Moving to Node #0,0 Current State: 51:[42, 31, 2], Operations: ['63-61=2'] Exploring Operation: 42/2=21, Resulting Numbers: [31, 21] Generated Node #0,0,0: 51:[31, 21] Operation: 42/2=21 Exploring Operation: 42-31=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 51:[2, 11] Operation: 42-31=11 Exploring Operation: 31*2=62, Resulting Numbers: [42, 62] Generated Node #0,0,2: 51:[42, 62] Operation: 31*2=62 Moving to Node #0,1 Current State: 51:[63, 31, 19], Operations: ['61-42=19'] Exploring Operation: 63-31=32, Resulting Numbers: [19, 32] Generated Node #0,1,0: 51:[19, 32] Operation: 63-31=32 Exploring Operation: 31-19=12, Resulting Numbers: [63, 12] Generated Node #0,1,1: 51:[63, 12] Operation: 31-19=12 Exploring Operation: 31+19=50, Resulting Numbers: [63, 50] Generated Node #0,1,2: 51:[63, 50] Operation: 31+19=50 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[63, 50], Operations: ['61-42=19', '31+19=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,51 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,51 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,51 unequal: No Solution No 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: 51:[19, 32], Operations: ['61-42=19', '63-31=32'] Exploring Operation: 19*32=608, Resulting Numbers: [608] 608,51 unequal: No Solution Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[61, 63, 42, 31], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [63, 31, 19] Generated Node #0,1: 51:[63, 31, 19] Operation: 61-42=19 Moving to Node #0,1 Current State: 51:[63, 31, 19], Operations: ['61-42=19'] Exploring Operation: 63-31=32, Resulting Numbers: [19, 32] Generated Node #0,1,0: 51:[19, 32] Operation: 63-31=32 Moving to Node #0,1,0 Current State: 51:[19, 32], Operations: ['61-42=19', '63-31=32'] Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 90, 75, 54, 35 ]
34
[ "90-75=15", "54-35=19", "15+19=34" ]
Current State: 34:[90, 75, 54, 35], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [54, 35, 15] Generated Node #2: [54, 35, 15] from Operation: 90-75=15 Current State: 34:[54, 35, 15], Operations: ['90-75=15'] Exploring Operation: 54-35=19, Resulting Numbers: [15, 19] Generated Node #3: [15, 19] from Operation: 54-35=19 Current State: 34:[15, 19], Operations: ['90-75=15', '54-35=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[90, 75, 54, 35], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [54, 35, 15] Generated Node #0,0: 34:[54, 35, 15] Operation: 90-75=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[54, 35, 15], Operations: ['90-75=15'] Exploring Operation: 54-35=19, Resulting Numbers: [15, 19] Generated Node #0,0,0: 34:[15, 19] Operation: 54-35=19 Moving to Node #0,0,0 Current State: 34:[15, 19], Operations: ['90-75=15', '54-35=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[90, 75, 54, 35], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [54, 35, 15] Generated Node #0,0: 34:[54, 35, 15] Operation: 90-75=15 Moving to Node #0,0 Current State: 34:[54, 35, 15], Operations: ['90-75=15'] Exploring Operation: 54-35=19, Resulting Numbers: [15, 19] Generated Node #0,0,0: 34:[15, 19] Operation: 54-35=19 Moving to Node #0,0,0 Current State: 34:[15, 19], Operations: ['90-75=15', '54-35=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 87, 55, 51, 7 ]
90
[ "87-55=32", "51+7=58", "32+58=90" ]
Current State: 90:[87, 55, 51, 7], Operations: [] Exploring Operation: 87-55=32, Resulting Numbers: [51, 7, 32] Generated Node #2: [51, 7, 32] from Operation: 87-55=32 Current State: 90:[51, 7, 32], Operations: ['87-55=32'] Exploring Operation: 51+7=58, Resulting Numbers: [32, 58] Generated Node #3: [32, 58] from Operation: 51+7=58 Current State: 90:[32, 58], Operations: ['87-55=32', '51+7=58'] Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[87, 55, 51, 7], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [87, 7, 4] Generated Node #0,0: 90:[87, 7, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[87, 7, 4], Operations: ['55-51=4'] Exploring Operation: 87+4=91, Resulting Numbers: [7, 91] Generated Node #0,0,0: 90:[7, 91] Operation: 87+4=91 Moving to Node #0,0,0 Current State: 90:[7, 91], Operations: ['55-51=4', '87+4=91'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,90 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
[ 91, 81, 13, 7 ]
30
[ "91-81=10", "13+7=20", "10+20=30" ]
Current State: 30:[91, 81, 13, 7], Operations: [] Exploring Operation: 91-81=10, Resulting Numbers: [13, 7, 10] Generated Node #2: [13, 7, 10] from Operation: 91-81=10 Current State: 30:[13, 7, 10], Operations: ['91-81=10'] Exploring Operation: 13+7=20, Resulting Numbers: [10, 20] Generated Node #3: [10, 20] from Operation: 13+7=20 Current State: 30:[10, 20], Operations: ['91-81=10', '13+7=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[91, 81, 13, 7], Operations: [] Exploring Operation: 91-81=10, Resulting Numbers: [13, 7, 10] Generated Node #0,0: 30:[13, 7, 10] Operation: 91-81=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[13, 7, 10], Operations: ['91-81=10'] Exploring Operation: 13-7=6, Resulting Numbers: [10, 6] Generated Node #0,0,0: 30:[10, 6] Operation: 13-7=6 Moving to Node #0,0,0 Current State: 30:[10, 6], Operations: ['91-81=10', '13-7=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,30 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
[ 57, 14, 75, 18 ]
33
[ "57+75=132", "18-14=4", "132/4=33" ]
Current State: 33:[57, 14, 75, 18], Operations: [] Exploring Operation: 57+75=132, Resulting Numbers: [14, 18, 132] Generated Node #2: [14, 18, 132] from Operation: 57+75=132 Current State: 33:[14, 18, 132], Operations: ['57+75=132'] Exploring Operation: 18-14=4, Resulting Numbers: [132, 4] Generated Node #3: [132, 4] from Operation: 18-14=4 Current State: 33:[132, 4], Operations: ['57+75=132', '18-14=4'] Exploring Operation: 132/4=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[57, 14, 75, 18], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [14, 75, 39] Generated Node #0,0: 33:[14, 75, 39] Operation: 57-18=39 Exploring Operation: 75-57=18, Resulting Numbers: [14, 18, 18] Generated Node #0,1: 33:[14, 18, 18] Operation: 75-57=18 Moving to Node #0,1 Current State: 33:[14, 18, 18], Operations: ['75-57=18'] Exploring Operation: 18+18=36, Resulting Numbers: [14, 36] Generated Node #0,1,0: 33:[14, 36] Operation: 18+18=36 Exploring Operation: 18/18=1, Resulting Numbers: [14, 1] Generated Node #0,1,1: 33:[14, 1] Operation: 18/18=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[14, 1], Operations: ['75-57=18', '18/18=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,33 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 #0,1,0 Current State: 33:[14, 36], Operations: ['75-57=18', '18+18=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,33 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: 33:[14, 75, 39], Operations: ['57-18=39'] Exploring Operation: 75-39=36, Resulting Numbers: [14, 36] Generated Node #0,0,0: 33:[14, 36] Operation: 75-39=36 Exploring Operation: 75-14=61, Resulting Numbers: [39, 61] Generated Node #0,0,1: 33:[39, 61] Operation: 75-14=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[14, 36], Operations: ['57-18=39', '75-39=36'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,33 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 #0,0,1 Current State: 33:[39, 61], Operations: ['57-18=39', '75-14=61'] Exploring Operation: 39+61=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 84, 10, 15, 26 ]
46
[ "15-10=5", "26*5=130", "130-84=46" ]
Current State: 46:[84, 10, 15, 26], Operations: [] Exploring Operation: 15-10=5, Resulting Numbers: [84, 26, 5] Generated Node #2: [84, 26, 5] from Operation: 15-10=5 Current State: 46:[84, 26, 5], Operations: ['15-10=5'] Exploring Operation: 26*5=130, Resulting Numbers: [84, 130] Generated Node #3: [84, 130] from Operation: 26*5=130 Current State: 46:[84, 130], Operations: ['15-10=5', '26*5=130'] Exploring Operation: 130-84=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[84, 10, 15, 26], Operations: [] Exploring Operation: 84-15=69, Resulting Numbers: [10, 26, 69] Generated Node #0,0: 46:[10, 26, 69] Operation: 84-15=69 Exploring Operation: 84-26=58, Resulting Numbers: [10, 15, 58] Generated Node #0,1: 46:[10, 15, 58] Operation: 84-26=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[10, 15, 58], Operations: ['84-26=58'] Exploring Operation: 58-15=43, Resulting Numbers: [10, 43] Generated Node #0,1,0: 46:[10, 43] Operation: 58-15=43 Exploring Operation: 58-10=48, Resulting Numbers: [15, 48] Generated Node #0,1,1: 46:[15, 48] Operation: 58-10=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[15, 48], Operations: ['84-26=58', '58-10=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,46 unequal: No Solution No 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: 46:[10, 43], Operations: ['84-26=58', '58-15=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[10, 26, 69], Operations: ['84-15=69'] Exploring Operation: 69-26=43, Resulting Numbers: [10, 43] Generated Node #0,0,0: 46:[10, 43] Operation: 69-26=43 Exploring Operation: 69-10=59, Resulting Numbers: [26, 59] Generated Node #0,0,1: 46:[26, 59] Operation: 69-10=59 Moving to Node #0,0,0 Current State: 46:[10, 43], Operations: ['84-15=69', '69-26=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[26, 59], Operations: ['84-15=69', '69-10=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic