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
[ 55, 52, 46, 52 ]
86
[ "55-52=3", "46*3=138", "138-52=86" ]
Current State: 86:[55, 52, 46, 52], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [46, 3] Generated Node #2: [46, 3] from Operation: 55-52=3 Current State: 86:[46, 3], Operations: ['55-52=3'] Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,86 equal: Goal Reached Exploring Operation: 138-52=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[55, 52, 46, 52], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [52, 46, 3] Generated Node #0,0: 86:[52, 46, 3] Operation: 55-52=3 Exploring Operation: 52/52=1, Resulting Numbers: [55, 46, 1] Generated Node #0,1: 86:[55, 46, 1] Operation: 52/52=1 Exploring Operation: 55-52=3, Resulting Numbers: [46, 52, 3] Generated Node #0,2: 86:[46, 52, 3] Operation: 55-52=3 Moving to Node #0,0 Current State: 86:[52, 46, 3], Operations: ['55-52=3'] Exploring Operation: 52-46=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 86:[3, 6] Operation: 52-46=6 Exploring Operation: 52-3=49, Resulting Numbers: [46, 49] Generated Node #0,0,1: 86:[46, 49] Operation: 52-3=49 Exploring Operation: 46-3=43, Resulting Numbers: [52, 43] Generated Node #0,0,2: 86:[52, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[3, 6], Operations: ['55-52=3', '52-46=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,86 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 #0,0,1 Current State: 86:[46, 49], Operations: ['55-52=3', '52-3=49'] Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,86 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,86 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:[52, 43], Operations: ['55-52=3', '46-3=43'] Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,86 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,86 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:[46, 52, 3], Operations: ['55-52=3'] Exploring Operation: 46-3=43, Resulting Numbers: [52, 43] Generated Node #0,2,0: 86:[52, 43] Operation: 46-3=43 Exploring Operation: 52-3=49, Resulting Numbers: [46, 49] Generated Node #0,2,1: 86:[46, 49] Operation: 52-3=49 Exploring Operation: 52-46=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 86:[3, 6] Operation: 52-46=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[3, 6], Operations: ['55-52=3', '52-46=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[52, 43], Operations: ['55-52=3', '46-3=43'] Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,86 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,86 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[46, 49], Operations: ['55-52=3', '52-3=49'] Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,86 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,86 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: 86:[55, 46, 1], Operations: ['52/52=1'] Exploring Operation: 55-46=9, Resulting Numbers: [1, 9] Generated Node #0,1,0: 86:[1, 9] Operation: 55-46=9 Exploring Operation: 55-1=54, Resulting Numbers: [46, 54] Generated Node #0,1,1: 86:[46, 54] Operation: 55-1=54 Exploring Operation: 46-1=45, Resulting Numbers: [55, 45] Generated Node #0,1,2: 86:[55, 45] Operation: 46-1=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[1, 9], Operations: ['52/52=1', '55-46=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,86 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:[46, 54], Operations: ['52/52=1', '55-1=54'] Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,86 unequal: No Solution Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,86 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,86 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:[55, 45], Operations: ['52/52=1', '46-1=45'] Exploring Operation: 55*45=2475, Resulting Numbers: [2475] 2475,86 unequal: No Solution Exploring Operation: 55+45=100, Resulting Numbers: [100] 100,86 unequal: No Solution Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,86 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
[ 6, 3, 55, 8 ]
39
[ "6/3=2", "8*2=16", "55-16=39" ]
Current State: 39:[6, 3, 55, 8], Operations: [] Exploring Operation: 6/3=2, Resulting Numbers: [55, 8, 2] Generated Node #2: [55, 8, 2] from Operation: 6/3=2 Current State: 39:[55, 8, 2], Operations: ['6/3=2'] Exploring Operation: 8*2=16, Resulting Numbers: [55, 16] Generated Node #3: [55, 16] from Operation: 8*2=16 Current State: 39:[55, 16], Operations: ['6/3=2', '8*2=16'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[6, 3, 55, 8], Operations: [] Exploring Operation: 55-6=49, Resulting Numbers: [3, 8, 49] Generated Node #0,0: 39:[3, 8, 49] Operation: 55-6=49 Exploring Operation: 55-8=47, Resulting Numbers: [6, 3, 47] Generated Node #0,1: 39:[6, 3, 47] Operation: 55-8=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[6, 3, 47], Operations: ['55-8=47'] Exploring Operation: 6-3=3, Resulting Numbers: [47, 3] Generated Node #0,1,0: 39:[47, 3] Operation: 6-3=3 Exploring Operation: 47-6=41, Resulting Numbers: [3, 41] Generated Node #0,1,1: 39:[3, 41] Operation: 47-6=41 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[3, 41], Operations: ['55-8=47', '47-6=41'] Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[47, 3], Operations: ['55-8=47', '6-3=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[3, 8, 49], Operations: ['55-6=49'] Exploring Operation: 3+8=11, Resulting Numbers: [49, 11] Generated Node #0,0,0: 39:[49, 11] Operation: 3+8=11 Exploring Operation: 49-8=41, Resulting Numbers: [3, 41] Generated Node #0,0,1: 39:[3, 41] Operation: 49-8=41 Moving to Node #0,0,1 Current State: 39:[3, 41], Operations: ['55-6=49', '49-8=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[49, 11], Operations: ['55-6=49', '3+8=11'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,39 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
[ 93, 59, 31, 4 ]
28
[ "93+59=152", "31*4=124", "152-124=28" ]
Current State: 28:[93, 59, 31, 4], Operations: [] Exploring Operation: 93+59=152, Resulting Numbers: [31, 4, 152] Generated Node #2: [31, 4, 152] from Operation: 93+59=152 Current State: 28:[31, 4, 152], Operations: ['93+59=152'] Exploring Operation: 31*4=124, Resulting Numbers: [152, 124] Generated Node #3: [152, 124] from Operation: 31*4=124 Current State: 28:[152, 124], Operations: ['93+59=152', '31*4=124'] Exploring Operation: 152-124=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[93, 59, 31, 4], Operations: [] Exploring Operation: 93-59=34, Resulting Numbers: [31, 4, 34] Generated Node #0,0: 28:[31, 4, 34] Operation: 93-59=34 Exploring Operation: 93/31=3, Resulting Numbers: [59, 4, 3] Generated Node #0,1: 28:[59, 4, 3] Operation: 93/31=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[31, 4, 34], Operations: ['93-59=34'] Exploring Operation: 34-31=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 28:[4, 3] Operation: 34-31=3 Exploring Operation: 34-4=30, Resulting Numbers: [31, 30] Generated Node #0,0,1: 28:[31, 30] Operation: 34-4=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 3], Operations: ['93-59=34', '34-31=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[31, 30], Operations: ['93-59=34', '34-4=30'] Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[59, 4, 3], Operations: ['93/31=3'] Exploring Operation: 59-4=55, Resulting Numbers: [3, 55] Generated Node #0,1,0: 28:[3, 55] Operation: 59-4=55 Exploring Operation: 59-3=56, Resulting Numbers: [4, 56] Generated Node #0,1,1: 28:[4, 56] Operation: 59-3=56 Moving to Node #0,1,0 Current State: 28:[3, 55], Operations: ['93/31=3', '59-4=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[4, 56], Operations: ['93/31=3', '59-3=56'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,28 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
[ 38, 19, 37, 41 ]
45
[ "38/19=2", "41*2=82", "82-37=45" ]
Current State: 45:[38, 19, 37, 41], Operations: [] Exploring Operation: 38/19=2, Resulting Numbers: [37, 41, 2] Generated Node #2: [37, 41, 2] from Operation: 38/19=2 Current State: 45:[37, 41, 2], Operations: ['38/19=2'] Exploring Operation: 41*2=82, Resulting Numbers: [37, 82] Generated Node #3: [37, 82] from Operation: 41*2=82 Current State: 45:[37, 82], Operations: ['38/19=2', '41*2=82'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[38, 19, 37, 41], Operations: [] Exploring Operation: 38/19=2, Resulting Numbers: [37, 41, 2] Generated Node #0,0: 45:[37, 41, 2] Operation: 38/19=2 Exploring Operation: 38-37=1, Resulting Numbers: [19, 41, 1] Generated Node #0,1: 45:[19, 41, 1] Operation: 38-37=1 Exploring Operation: 41-38=3, Resulting Numbers: [19, 37, 3] Generated Node #0,2: 45:[19, 37, 3] Operation: 41-38=3 Exploring Operation: 41-37=4, Resulting Numbers: [38, 19, 4] Generated Node #0,3: 45:[38, 19, 4] Operation: 41-37=4 Exploring Operation: 37-19=18, Resulting Numbers: [38, 41, 18] Generated Node #0,4: 45:[38, 41, 18] Operation: 37-19=18 Moving to Node #0,1 Current State: 45:[19, 41, 1], Operations: ['38-37=1'] Exploring Operation: 41+1=42, Resulting Numbers: [19, 42] Generated Node #0,1,0: 45:[19, 42] Operation: 41+1=42 Exploring Operation: 19/1=19, Resulting Numbers: [41, 19] Generated Node #0,1,1: 45:[41, 19] Operation: 19/1=19 Exploring Operation: 41*1=41, Resulting Numbers: [19, 41] Generated Node #0,1,2: 45:[19, 41] Operation: 41*1=41 Exploring Operation: 19*1=19, Resulting Numbers: [41, 19] Generated Node #0,1,3: 45:[41, 19] Operation: 19*1=19 Exploring Operation: 19-1=18, Resulting Numbers: [41, 18] Generated Node #0,1,4: 45:[41, 18] Operation: 19-1=18 Moving to Node #0,3 Current State: 45:[38, 19, 4], Operations: ['41-37=4'] Exploring Operation: 38/19=2, Resulting Numbers: [4, 2] Generated Node #0,3,0: 45:[4, 2] Operation: 38/19=2 Exploring Operation: 38+4=42, Resulting Numbers: [19, 42] Generated Node #0,3,1: 45:[19, 42] Operation: 38+4=42 Exploring Operation: 38+19=57, Resulting Numbers: [4, 57] Generated Node #0,3,2: 45:[4, 57] Operation: 38+19=57 Exploring Operation: 38-19=19, Resulting Numbers: [4, 19] Generated Node #0,3,3: 45:[4, 19] Operation: 38-19=19 Exploring Operation: 19-4=15, Resulting Numbers: [38, 15] Generated Node #0,3,4: 45:[38, 15] Operation: 19-4=15 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 45:[4, 2], Operations: ['41-37=4', '38/19=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[4, 19], Operations: ['41-37=4', '38-19=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,45 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 45:[19, 42], Operations: ['41-37=4', '38+4=42'] Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 45:[38, 15], Operations: ['41-37=4', '19-4=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 38*15=570, Resulting Numbers: [570] 570,45 unequal: No Solution Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[4, 57], Operations: ['41-37=4', '38+19=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,45 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,45 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: 45:[19, 37, 3], Operations: ['41-38=3'] Exploring Operation: 37+3=40, Resulting Numbers: [19, 40] Generated Node #0,2,0: 45:[19, 40] Operation: 37+3=40 Exploring Operation: 19+37=56, Resulting Numbers: [3, 56] Generated Node #0,2,1: 45:[3, 56] Operation: 19+37=56 Exploring Operation: 19-3=16, Resulting Numbers: [37, 16] Generated Node #0,2,2: 45:[37, 16] Operation: 19-3=16 Exploring Operation: 19+3=22, Resulting Numbers: [37, 22] Generated Node #0,2,3: 45:[37, 22] Operation: 19+3=22 Exploring Operation: 37-19=18, Resulting Numbers: [3, 18] Generated Node #0,2,4: 45:[3, 18] Operation: 37-19=18 Moving to Node #0,0 Current State: 45:[37, 41, 2], Operations: ['38/19=2'] Exploring Operation: 37+2=39, Resulting Numbers: [41, 39] Generated Node #0,0,0: 45:[41, 39] Operation: 37+2=39 Exploring Operation: 41-2=39, Resulting Numbers: [37, 39] Generated Node #0,0,1: 45:[37, 39] Operation: 41-2=39 Exploring Operation: 37-2=35, Resulting Numbers: [41, 35] Generated Node #0,0,2: 45:[41, 35] Operation: 37-2=35 Exploring Operation: 41+2=43, Resulting Numbers: [37, 43] Generated Node #0,0,3: 45:[37, 43] Operation: 41+2=43 Exploring Operation: 41-37=4, Resulting Numbers: [2, 4] Generated Node #0,0,4: 45:[2, 4] Operation: 41-37=4 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 45:[2, 4], Operations: ['38/19=2', '41-37=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[41, 39], Operations: ['38/19=2', '37+2=39'] Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,45 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 45:[37, 43], Operations: ['38/19=2', '41+2=43'] Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,45 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[37, 39], Operations: ['38/19=2', '41-2=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,45 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,45 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[41, 35], Operations: ['38/19=2', '37-2=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,45 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,45 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: 45:[38, 41, 18], Operations: ['37-19=18'] Exploring Operation: 38+18=56, Resulting Numbers: [41, 56] Generated Node #0,4,0: 45:[41, 56] Operation: 38+18=56 Exploring Operation: 41-38=3, Resulting Numbers: [18, 3] Generated Node #0,4,1: 45:[18, 3] Operation: 41-38=3 Exploring Operation: 38-18=20, Resulting Numbers: [41, 20] Generated Node #0,4,2: 45:[41, 20] Operation: 38-18=20 Exploring Operation: 41-18=23, Resulting Numbers: [38, 23] Generated Node #0,4,3: 45:[38, 23] Operation: 41-18=23 Exploring Operation: 41+18=59, Resulting Numbers: [38, 59] Generated Node #0,4,4: 45:[38, 59] Operation: 41+18=59 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 45:[18, 3], Operations: ['37-19=18', '41-38=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,45 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 #0,4,2 Current State: 45:[41, 20], Operations: ['37-19=18', '38-18=20'] Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,45 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,45 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 #0,4,0 Current State: 45:[41, 56], Operations: ['37-19=18', '38+18=56'] Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 41+56=97, Resulting Numbers: [97] 97,45 unequal: No Solution Exploring Operation: 41*56=2296, Resulting Numbers: [2296] 2296,45 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 #0,4,3 Current State: 45:[38, 23], Operations: ['37-19=18', '41-18=23'] Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,45 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,45 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 #0,4,4 Current State: 45:[38, 59], Operations: ['37-19=18', '41+18=59'] Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,45 unequal: No Solution Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 45:[3, 18], Operations: ['41-38=3', '37-19=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[19, 42], Operations: ['38-37=1', '41+1=42'] Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,45 unequal: No Solution Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,45 unequal: No Solution Moving to Node #0,1,4 Current State: 45:[41, 18], Operations: ['38-37=1', '19-1=18'] Exploring Operation: 41*18=738, Resulting Numbers: [738] 738,45 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[41, 19], Operations: ['38-37=1', '19/1=19'] Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,45 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,45 unequal: No Solution Moving to Node #0,1,3 Current State: 45:[41, 19], Operations: ['38-37=1', '19*1=19'] Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,45 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[19, 41], Operations: ['38-37=1', '41*1=41'] Exploring Operation: 19+41=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 19*41=779, Resulting Numbers: [779] 779,45 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[19, 40], Operations: ['41-38=3', '37+3=40'] Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,45 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[37, 16], Operations: ['41-38=3', '19-3=16'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,45 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[3, 56], Operations: ['41-38=3', '19+37=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,45 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[37, 22], Operations: ['41-38=3', '19+3=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,45 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 15, 5, 90, 79 ]
82
[ "79-15=64", "90/5=18", "64+18=82" ]
Current State: 82:[15, 5, 90, 79], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [5, 90, 64] Generated Node #2: [5, 90, 64] from Operation: 79-15=64 Current State: 82:[5, 90, 64], Operations: ['79-15=64'] Exploring Operation: 90/5=18, Resulting Numbers: [64, 18] Generated Node #3: [64, 18] from Operation: 90/5=18 Current State: 82:[64, 18], Operations: ['79-15=64', '90/5=18'] Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[15, 5, 90, 79], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [5, 79, 6] Generated Node #0,0: 82:[5, 79, 6] Operation: 90/15=6 Moving to Node #0,0 Current State: 82:[5, 79, 6], Operations: ['90/15=6'] Exploring Operation: 6-5=1, Resulting Numbers: [79, 1] Generated Node #0,0,0: 82:[79, 1] Operation: 6-5=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[79, 1], Operations: ['90/15=6', '6-5=1'] Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,82 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
[ 77, 7, 88, 18 ]
95
[ "77/7=11", "88+18=106", "106-11=95" ]
Current State: 95:[77, 7, 88, 18], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [88, 18, 11] Generated Node #2: [88, 18, 11] from Operation: 77/7=11 Current State: 95:[88, 18, 11], Operations: ['77/7=11'] Exploring Operation: 88+18=106, Resulting Numbers: [11, 106] Generated Node #3: [11, 106] from Operation: 88+18=106 Current State: 95:[11, 106], Operations: ['77/7=11', '88+18=106'] Exploring Operation: 106-11=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[77, 7, 88, 18], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [7, 18, 11] Generated Node #0,0: 95:[7, 18, 11] Operation: 88-77=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[7, 18, 11], Operations: ['88-77=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18, 18] Generated Node #0,0,0: 95:[18, 18] Operation: 7+11=18 Moving to Node #0,0,0 Current State: 95:[18, 18], Operations: ['88-77=11', '7+11=18'] Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 97, 84, 27, 26 ]
13
[ "97-84=13", "27-26=1", "13*1=13" ]
Current State: 13:[97, 84, 27, 26], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [27, 26, 13] Generated Node #2: [27, 26, 13] from Operation: 97-84=13 Current State: 13:[27, 26, 13], Operations: ['97-84=13'] Exploring Operation: 27-26=1, Resulting Numbers: [13, 1] Generated Node #3: [13, 1] from Operation: 27-26=1 Current State: 13:[13, 1], Operations: ['97-84=13', '27-26=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[97, 84, 27, 26], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [27, 26, 13] Generated Node #0,0: 13:[27, 26, 13] Operation: 97-84=13 Exploring Operation: 84-26=58, Resulting Numbers: [97, 27, 58] Generated Node #0,1: 13:[97, 27, 58] Operation: 84-26=58 Exploring Operation: 97-27=70, Resulting Numbers: [84, 26, 70] Generated Node #0,2: 13:[84, 26, 70] Operation: 97-27=70 Exploring Operation: 84-27=57, Resulting Numbers: [97, 26, 57] Generated Node #0,3: 13:[97, 26, 57] Operation: 84-27=57 Exploring Operation: 97-26=71, Resulting Numbers: [84, 27, 71] Generated Node #0,4: 13:[84, 27, 71] Operation: 97-26=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[27, 26, 13], Operations: ['97-84=13'] Exploring Operation: 26/13=2, Resulting Numbers: [27, 2] Generated Node #0,0,0: 13:[27, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [27, 13] Generated Node #0,0,1: 13:[27, 13] Operation: 26-13=13 Exploring Operation: 27+26=53, Resulting Numbers: [13, 53] Generated Node #0,0,2: 13:[13, 53] Operation: 27+26=53 Exploring Operation: 27-13=14, Resulting Numbers: [26, 14] Generated Node #0,0,3: 13:[26, 14] Operation: 27-13=14 Exploring Operation: 27-26=1, Resulting Numbers: [13, 1] Generated Node #0,0,4: 13:[13, 1] Operation: 27-26=1 Moving to Node #0,0,4 Current State: 13:[13, 1], Operations: ['97-84=13', '27-26=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[97, 84, 27, 26], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [27, 26, 13] Generated Node #0,0: 13:[27, 26, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 13:[27, 26, 13], Operations: ['97-84=13'] Exploring Operation: 27-26=1, Resulting Numbers: [13, 1] Generated Node #0,0,4: 13:[13, 1] Operation: 27-26=1 Moving to Node #0,0,4 Current State: 13:[13, 1], Operations: ['97-84=13', '27-26=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 76, 58, 5, 81 ]
94
[ "76-58=18", "81-5=76", "18+76=94" ]
Current State: 94:[76, 58, 5, 81], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [5, 81, 18] Generated Node #2: [5, 81, 18] from Operation: 76-58=18 Current State: 94:[5, 81, 18], Operations: ['76-58=18'] Exploring Operation: 81-5=76, Resulting Numbers: [18, 76] Generated Node #3: [18, 76] from Operation: 81-5=76 Current State: 94:[18, 76], Operations: ['76-58=18', '81-5=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[76, 58, 5, 81], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [58, 5, 5] Generated Node #0,0: 94:[58, 5, 5] Operation: 81-76=5 Moving to Node #0,0 Current State: 94:[58, 5, 5], Operations: ['81-76=5'] Exploring Operation: 58-5=53, Resulting Numbers: [5, 53] Generated Node #0,0,0: 94:[5, 53] Operation: 58-5=53 Moving to Node #0,0,0 Current State: 94:[5, 53], Operations: ['81-76=5', '58-5=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,94 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 87, 12, 55, 44 ]
86
[ "87-12=75", "55-44=11", "75+11=86" ]
Current State: 86:[87, 12, 55, 44], Operations: [] Exploring Operation: 87-12=75, Resulting Numbers: [55, 44, 75] Generated Node #2: [55, 44, 75] from Operation: 87-12=75 Current State: 86:[55, 44, 75], Operations: ['87-12=75'] Exploring Operation: 55-44=11, Resulting Numbers: [75, 11] Generated Node #3: [75, 11] from Operation: 55-44=11 Current State: 86:[75, 11], Operations: ['87-12=75', '55-44=11'] Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[87, 12, 55, 44], Operations: [] Exploring Operation: 87-55=32, Resulting Numbers: [12, 44, 32] Generated Node #0,0: 86:[12, 44, 32] Operation: 87-55=32 Exploring Operation: 12+55=67, Resulting Numbers: [87, 44, 67] Generated Node #0,1: 86:[87, 44, 67] Operation: 12+55=67 Exploring Operation: 55-44=11, Resulting Numbers: [87, 12, 11] Generated Node #0,2: 86:[87, 12, 11] Operation: 55-44=11 Exploring Operation: 87-44=43, Resulting Numbers: [12, 55, 43] Generated Node #0,3: 86:[12, 55, 43] Operation: 87-44=43 Exploring Operation: 55-12=43, Resulting Numbers: [87, 44, 43] Generated Node #0,4: 86:[87, 44, 43] Operation: 55-12=43 Start Sub Search at level 1: Moving to Node #0,4 Current State: 86:[87, 44, 43], Operations: ['55-12=43'] Exploring Operation: 44-43=1, Resulting Numbers: [87, 1] Generated Node #0,4,0: 86:[87, 1] Operation: 44-43=1 Exploring Operation: 87-43=44, Resulting Numbers: [44, 44] Generated Node #0,4,1: 86:[44, 44] Operation: 87-43=44 Exploring Operation: 87-44=43, Resulting Numbers: [43, 43] Generated Node #0,4,2: 86:[43, 43] Operation: 87-44=43 Exploring Operation: 87+44=131, Resulting Numbers: [43, 131] Generated Node #0,4,3: 86:[43, 131] Operation: 87+44=131 Exploring Operation: 44+43=87, Resulting Numbers: [87, 87] Generated Node #0,4,4: 86:[87, 87] Operation: 44+43=87 Moving to Node #0,4,2 Current State: 86:[43, 43], Operations: ['55-12=43', '87-44=43'] Exploring Operation: 43*43=1849, Resulting Numbers: [1849] 1849,86 unequal: No Solution Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[87, 12, 55, 44], Operations: [] Exploring Operation: 55-12=43, Resulting Numbers: [87, 44, 43] Generated Node #0,4: 86:[87, 44, 43] Operation: 55-12=43 Moving to Node #0,4 Current State: 86:[87, 44, 43], Operations: ['55-12=43'] Exploring Operation: 87-44=43, Resulting Numbers: [43, 43] Generated Node #0,4,2: 86:[43, 43] Operation: 87-44=43 Moving to Node #0,4,2 Current State: 86:[43, 43], Operations: ['55-12=43', '87-44=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 40, 62, 46, 20 ]
14
[ "40/20=2", "62-46=16", "16-2=14" ]
Current State: 14:[40, 62, 46, 20], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [62, 46, 2] Generated Node #2: [62, 46, 2] from Operation: 40/20=2 Current State: 14:[62, 46, 2], Operations: ['40/20=2'] Exploring Operation: 62-46=16, Resulting Numbers: [2, 16] Generated Node #3: [2, 16] from Operation: 62-46=16 Current State: 14:[2, 16], Operations: ['40/20=2', '62-46=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[40, 62, 46, 20], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [62, 46, 2] Generated Node #0,0: 14:[62, 46, 2] Operation: 40/20=2 Exploring Operation: 62-40=22, Resulting Numbers: [46, 20, 22] Generated Node #0,1: 14:[46, 20, 22] Operation: 62-40=22 Exploring Operation: 46-40=6, Resulting Numbers: [62, 20, 6] Generated Node #0,2: 14:[62, 20, 6] Operation: 46-40=6 Exploring Operation: 62-46=16, Resulting Numbers: [40, 20, 16] Generated Node #0,3: 14:[40, 20, 16] Operation: 62-46=16 Exploring Operation: 40-20=20, Resulting Numbers: [62, 46, 20] Generated Node #0,4: 14:[62, 46, 20] Operation: 40-20=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[40, 20, 16], Operations: ['62-46=16'] Exploring Operation: 40/20=2, Resulting Numbers: [16, 2] Generated Node #0,3,0: 14:[16, 2] Operation: 40/20=2 Exploring Operation: 20-16=4, Resulting Numbers: [40, 4] Generated Node #0,3,1: 14:[40, 4] Operation: 20-16=4 Exploring Operation: 40-16=24, Resulting Numbers: [20, 24] Generated Node #0,3,2: 14:[20, 24] Operation: 40-16=24 Exploring Operation: 40+20=60, Resulting Numbers: [16, 60] Generated Node #0,3,3: 14:[16, 60] Operation: 40+20=60 Exploring Operation: 40-20=20, Resulting Numbers: [16, 20] Generated Node #0,3,4: 14:[16, 20] Operation: 40-20=20 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 14:[16, 2], Operations: ['62-46=16', '40/20=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[40, 62, 46, 20], Operations: [] Exploring Operation: 62-46=16, Resulting Numbers: [40, 20, 16] Generated Node #0,3: 14:[40, 20, 16] Operation: 62-46=16 Moving to Node #0,3 Current State: 14:[40, 20, 16], Operations: ['62-46=16'] Exploring Operation: 40/20=2, Resulting Numbers: [16, 2] Generated Node #0,3,0: 14:[16, 2] Operation: 40/20=2 Moving to Node #0,3,0 Current State: 14:[16, 2], Operations: ['62-46=16', '40/20=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 33, 62, 30, 98 ]
99
[ "62-33=29", "30+98=128", "128-29=99" ]
Current State: 99:[33, 62, 30, 98], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [30, 98, 29] Generated Node #2: [30, 98, 29] from Operation: 62-33=29 Current State: 99:[30, 98, 29], Operations: ['62-33=29'] Exploring Operation: 30+98=128, Resulting Numbers: [29, 128] Generated Node #3: [29, 128] from Operation: 30+98=128 Current State: 99:[29, 128], Operations: ['62-33=29', '30+98=128'] Exploring Operation: 128-29=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[33, 62, 30, 98], Operations: [] Exploring Operation: 62-30=32, Resulting Numbers: [33, 98, 32] Generated Node #0,0: 99:[33, 98, 32] Operation: 62-30=32 Exploring Operation: 98-62=36, Resulting Numbers: [33, 30, 36] Generated Node #0,1: 99:[33, 30, 36] Operation: 98-62=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[33, 98, 32], Operations: ['62-30=32'] Exploring Operation: 98+32=130, Resulting Numbers: [33, 130] Generated Node #0,0,0: 99:[33, 130] Operation: 98+32=130 Exploring Operation: 33-32=1, Resulting Numbers: [98, 1] Generated Node #0,0,1: 99:[98, 1] Operation: 33-32=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[98, 1], Operations: ['62-30=32', '33-32=1'] Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[33, 62, 30, 98], Operations: [] Exploring Operation: 62-30=32, Resulting Numbers: [33, 98, 32] Generated Node #0,0: 99:[33, 98, 32] Operation: 62-30=32 Moving to Node #0,0 Current State: 99:[33, 98, 32], Operations: ['62-30=32'] Exploring Operation: 33-32=1, Resulting Numbers: [98, 1] Generated Node #0,0,1: 99:[98, 1] Operation: 33-32=1 Moving to Node #0,0,1 Current State: 99:[98, 1], Operations: ['62-30=32', '33-32=1'] Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 11, 9, 22, 19 ]
26
[ "22/11=2", "9+19=28", "28-2=26" ]
Current State: 26:[11, 9, 22, 19], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [9, 19, 2] Generated Node #2: [9, 19, 2] from Operation: 22/11=2 Current State: 26:[9, 19, 2], Operations: ['22/11=2'] Exploring Operation: 9+19=28, Resulting Numbers: [2, 28] Generated Node #3: [2, 28] from Operation: 9+19=28 Current State: 26:[2, 28], Operations: ['22/11=2', '9+19=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[11, 9, 22, 19], Operations: [] Exploring Operation: 9+19=28, Resulting Numbers: [11, 22, 28] Generated Node #0,0: 26:[11, 22, 28] Operation: 9+19=28 Exploring Operation: 22-19=3, Resulting Numbers: [11, 9, 3] Generated Node #0,1: 26:[11, 9, 3] Operation: 22-19=3 Exploring Operation: 22-9=13, Resulting Numbers: [11, 19, 13] Generated Node #0,2: 26:[11, 19, 13] Operation: 22-9=13 Moving to Node #0,1 Current State: 26:[11, 9, 3], Operations: ['22-19=3'] Exploring Operation: 9+3=12, Resulting Numbers: [11, 12] Generated Node #0,1,0: 26:[11, 12] Operation: 9+3=12 Exploring Operation: 9*3=27, Resulting Numbers: [11, 27] Generated Node #0,1,1: 26:[11, 27] Operation: 9*3=27 Exploring Operation: 11-9=2, Resulting Numbers: [3, 2] Generated Node #0,1,2: 26:[3, 2] Operation: 11-9=2 Moving to Node #0,0 Current State: 26:[11, 22, 28], Operations: ['9+19=28'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 26:[28, 2] Operation: 22/11=2 Exploring Operation: 28-22=6, Resulting Numbers: [11, 6] Generated Node #0,0,1: 26:[11, 6] Operation: 28-22=6 Exploring Operation: 22-11=11, Resulting Numbers: [28, 11] Generated Node #0,0,2: 26:[28, 11] Operation: 22-11=11 Moving to Node #0,2 Current State: 26:[11, 19, 13], Operations: ['22-9=13'] Exploring Operation: 13-11=2, Resulting Numbers: [19, 2] Generated Node #0,2,0: 26:[19, 2] Operation: 13-11=2 Exploring Operation: 11+19=30, Resulting Numbers: [13, 30] Generated Node #0,2,1: 26:[13, 30] Operation: 11+19=30 Exploring Operation: 19-11=8, Resulting Numbers: [13, 8] Generated Node #0,2,2: 26:[13, 8] Operation: 19-11=8 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[13, 30], Operations: ['22-9=13', '11+19=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,26 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,26 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 #0,2,2 Current State: 26:[13, 8], Operations: ['22-9=13', '19-11=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,26 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,26 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 #0,2,0 Current State: 26:[19, 2], Operations: ['22-9=13', '13-11=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,26 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: 26:[3, 2], Operations: ['22-19=3', '11-9=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[28, 2], Operations: ['9+19=28', '22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[11, 9, 22, 19], Operations: [] Exploring Operation: 9+19=28, Resulting Numbers: [11, 22, 28] Generated Node #0,0: 26:[11, 22, 28] Operation: 9+19=28 Moving to Node #0,0 Current State: 26:[11, 22, 28], Operations: ['9+19=28'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 26:[28, 2] Operation: 22/11=2 Moving to Node #0,0,0 Current State: 26:[28, 2], Operations: ['9+19=28', '22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 12, 91, 49, 65 ]
95
[ "91-12=79", "65-49=16", "79+16=95" ]
Current State: 95:[12, 91, 49, 65], Operations: [] Exploring Operation: 91-12=79, Resulting Numbers: [49, 65, 79] Generated Node #2: [49, 65, 79] from Operation: 91-12=79 Current State: 95:[49, 65, 79], Operations: ['91-12=79'] Exploring Operation: 65-49=16, Resulting Numbers: [79, 16] Generated Node #3: [79, 16] from Operation: 65-49=16 Current State: 95:[79, 16], Operations: ['91-12=79', '65-49=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[12, 91, 49, 65], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [12, 49, 26] Generated Node #0,0: 95:[12, 49, 26] Operation: 91-65=26 Exploring Operation: 12+65=77, Resulting Numbers: [91, 49, 77] Generated Node #0,1: 95:[91, 49, 77] Operation: 12+65=77 Exploring Operation: 49-12=37, Resulting Numbers: [91, 65, 37] Generated Node #0,2: 95:[91, 65, 37] Operation: 49-12=37 Exploring Operation: 49+65=114, Resulting Numbers: [12, 91, 114] Generated Node #0,3: 95:[12, 91, 114] Operation: 49+65=114 Exploring Operation: 65-49=16, Resulting Numbers: [12, 91, 16] Generated Node #0,4: 95:[12, 91, 16] Operation: 65-49=16 Moving to Node #0,4 Current State: 95:[12, 91, 16], Operations: ['65-49=16'] Exploring Operation: 91-12=79, Resulting Numbers: [16, 79] Generated Node #0,4,0: 95:[16, 79] Operation: 91-12=79 Exploring Operation: 91+16=107, Resulting Numbers: [12, 107] Generated Node #0,4,1: 95:[12, 107] Operation: 91+16=107 Exploring Operation: 16-12=4, Resulting Numbers: [91, 4] Generated Node #0,4,2: 95:[91, 4] Operation: 16-12=4 Exploring Operation: 12+16=28, Resulting Numbers: [91, 28] Generated Node #0,4,3: 95:[91, 28] Operation: 12+16=28 Exploring Operation: 12+91=103, Resulting Numbers: [16, 103] Generated Node #0,4,4: 95:[16, 103] Operation: 12+91=103 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 95:[91, 4], Operations: ['65-49=16', '16-12=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,95 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[12, 91, 49, 65], Operations: [] Exploring Operation: 65-49=16, Resulting Numbers: [12, 91, 16] Generated Node #0,4: 95:[12, 91, 16] Operation: 65-49=16 Moving to Node #0,4 Current State: 95:[12, 91, 16], Operations: ['65-49=16'] Exploring Operation: 16-12=4, Resulting Numbers: [91, 4] Generated Node #0,4,2: 95:[91, 4] Operation: 16-12=4 Moving to Node #0,4,2 Current State: 95:[91, 4], Operations: ['65-49=16', '16-12=4'] Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 96, 16, 30, 6 ]
30
[ "96/16=6", "30+6=36", "36-6=30" ]
Current State: 30:[96, 16, 30, 6], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [30, 6, 6] Generated Node #2: [30, 6, 6] from Operation: 96/16=6 Current State: 30:[30, 6, 6], Operations: ['96/16=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,30 equal: Goal Reached Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[96, 16, 30, 6], Operations: [] Exploring Operation: 96-16=80, Resulting Numbers: [30, 6, 80] Generated Node #0,0: 30:[30, 6, 80] Operation: 96-16=80 Exploring Operation: 96/16=6, Resulting Numbers: [30, 6, 6] Generated Node #0,1: 30:[30, 6, 6] Operation: 96/16=6 Exploring Operation: 96/6=16, Resulting Numbers: [16, 30, 16] Generated Node #0,2: 30:[16, 30, 16] Operation: 96/6=16 Exploring Operation: 96-30=66, Resulting Numbers: [16, 6, 66] Generated Node #0,3: 30:[16, 6, 66] Operation: 96-30=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[30, 6, 6], Operations: ['96/16=6'] Exploring Operation: 6+6=12, Resulting Numbers: [30, 12] Generated Node #0,1,0: 30:[30, 12] Operation: 6+6=12 Exploring Operation: 30/6=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 30:[6, 5] Operation: 30/6=5 Exploring Operation: 6/6=1, Resulting Numbers: [30, 1] Generated Node #0,1,2: 30:[30, 1] Operation: 6/6=1 Exploring Operation: 30/6=5, Resulting Numbers: [6, 5] Generated Node #0,1,3: 30:[6, 5] Operation: 30/6=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[6, 5], Operations: ['96/16=6', '30/6=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[96, 16, 30, 6], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [30, 6, 6] Generated Node #0,1: 30:[30, 6, 6] Operation: 96/16=6 Moving to Node #0,1 Current State: 30:[30, 6, 6], Operations: ['96/16=6'] Exploring Operation: 30/6=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 30:[6, 5] Operation: 30/6=5 Moving to Node #0,1,1 Current State: 30:[6, 5], Operations: ['96/16=6', '30/6=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 83, 78, 5, 93 ]
28
[ "93-83=10", "5*10=50", "78-50=28" ]
Current State: 28:[83, 78, 5, 93], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [78, 5, 10] Generated Node #2: [78, 5, 10] from Operation: 93-83=10 Current State: 28:[78, 5, 10], Operations: ['93-83=10'] Exploring Operation: 5*10=50, Resulting Numbers: [78, 50] Generated Node #3: [78, 50] from Operation: 5*10=50 Current State: 28:[78, 50], Operations: ['93-83=10', '5*10=50'] Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[83, 78, 5, 93], Operations: [] Exploring Operation: 93-78=15, Resulting Numbers: [83, 5, 15] Generated Node #0,0: 28:[83, 5, 15] Operation: 93-78=15 Exploring Operation: 93-83=10, Resulting Numbers: [78, 5, 10] Generated Node #0,1: 28:[78, 5, 10] Operation: 93-83=10 Exploring Operation: 83-78=5, Resulting Numbers: [5, 93, 5] Generated Node #0,2: 28:[5, 93, 5] Operation: 83-78=5 Moving to Node #0,1 Current State: 28:[78, 5, 10], Operations: ['93-83=10'] Exploring Operation: 10/5=2, Resulting Numbers: [78, 2] Generated Node #0,1,0: 28:[78, 2] Operation: 10/5=2 Exploring Operation: 78-5=73, Resulting Numbers: [10, 73] Generated Node #0,1,1: 28:[10, 73] Operation: 78-5=73 Exploring Operation: 78-10=68, Resulting Numbers: [5, 68] Generated Node #0,1,2: 28:[5, 68] Operation: 78-10=68 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[5, 68], Operations: ['93-83=10', '78-10=68'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[10, 73], Operations: ['93-83=10', '78-5=73'] Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,28 unequal: No Solution Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[78, 2], Operations: ['93-83=10', '10/5=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,28 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,28 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: 28:[83, 5, 15], Operations: ['93-78=15'] Exploring Operation: 15/5=3, Resulting Numbers: [83, 3] Generated Node #0,0,0: 28:[83, 3] Operation: 15/5=3 Exploring Operation: 83-15=68, Resulting Numbers: [5, 68] Generated Node #0,0,1: 28:[5, 68] Operation: 83-15=68 Exploring Operation: 83-5=78, Resulting Numbers: [15, 78] Generated Node #0,0,2: 28:[15, 78] Operation: 83-5=78 Moving to Node #0,2 Current State: 28:[5, 93, 5], Operations: ['83-78=5'] Exploring Operation: 93-5=88, Resulting Numbers: [5, 88] Generated Node #0,2,0: 28:[5, 88] Operation: 93-5=88 Exploring Operation: 93-5=88, Resulting Numbers: [5, 88] Generated Node #0,2,1: 28:[5, 88] Operation: 93-5=88 Exploring Operation: 5/5=1, Resulting Numbers: [93, 1] Generated Node #0,2,2: 28:[93, 1] Operation: 5/5=1 Moving to Node #0,0,1 Current State: 28:[5, 68], Operations: ['93-78=15', '83-15=68'] Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,28 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[15, 78], Operations: ['93-78=15', '83-5=78'] Exploring Operation: 15*78=1170, Resulting Numbers: [1170] 1170,28 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 15+78=93, Resulting Numbers: [93] 93,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[83, 3], Operations: ['93-78=15', '15/5=3'] Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,28 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[5, 88], Operations: ['83-78=5', '93-5=88'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 5*88=440, Resulting Numbers: [440] 440,28 unequal: No Solution Exploring Operation: 5+88=93, Resulting Numbers: [93] 93,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[5, 88], Operations: ['83-78=5', '93-5=88'] Exploring Operation: 5+88=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 5*88=440, Resulting Numbers: [440] 440,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[93, 1], Operations: ['83-78=5', '5/5=1'] Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,28 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 74, 80, 18 ]
22
[ "10+74=84", "80-18=62", "84-62=22" ]
Current State: 22:[10, 74, 80, 18], Operations: [] Exploring Operation: 10+74=84, Resulting Numbers: [80, 18, 84] Generated Node #2: [80, 18, 84] from Operation: 10+74=84 Current State: 22:[80, 18, 84], Operations: ['10+74=84'] Exploring Operation: 80-18=62, Resulting Numbers: [84, 62] Generated Node #3: [84, 62] from Operation: 80-18=62 Current State: 22:[84, 62], Operations: ['10+74=84', '80-18=62'] Exploring Operation: 84-62=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[10, 74, 80, 18], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [10, 18, 6] Generated Node #0,0: 22:[10, 18, 6] Operation: 80-74=6 Exploring Operation: 80/10=8, Resulting Numbers: [74, 18, 8] Generated Node #0,1: 22:[74, 18, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[10, 18, 6], Operations: ['80-74=6'] Exploring Operation: 18-6=12, Resulting Numbers: [10, 12] Generated Node #0,0,0: 22:[10, 12] Operation: 18-6=12 Exploring Operation: 18/6=3, Resulting Numbers: [10, 3] Generated Node #0,0,1: 22:[10, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 22:[10, 12], Operations: ['80-74=6', '18-6=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[10, 74, 80, 18], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [10, 18, 6] Generated Node #0,0: 22:[10, 18, 6] Operation: 80-74=6 Moving to Node #0,0 Current State: 22:[10, 18, 6], Operations: ['80-74=6'] Exploring Operation: 18-6=12, Resulting Numbers: [10, 12] Generated Node #0,0,0: 22:[10, 12] Operation: 18-6=12 Moving to Node #0,0,0 Current State: 22:[10, 12], Operations: ['80-74=6', '18-6=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 85, 94, 53, 28 ]
72
[ "94-85=9", "53+28=81", "81-9=72" ]
Current State: 72:[85, 94, 53, 28], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [53, 28, 9] Generated Node #2: [53, 28, 9] from Operation: 94-85=9 Current State: 72:[53, 28, 9], Operations: ['94-85=9'] Exploring Operation: 53+28=81, Resulting Numbers: [9, 81] Generated Node #3: [9, 81] from Operation: 53+28=81 Current State: 72:[9, 81], Operations: ['94-85=9', '53+28=81'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[85, 94, 53, 28], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [85, 28, 41] Generated Node #0,0: 72:[85, 28, 41] Operation: 94-53=41 Exploring Operation: 53-28=25, Resulting Numbers: [85, 94, 25] Generated Node #0,1: 72:[85, 94, 25] Operation: 53-28=25 Exploring Operation: 94-85=9, Resulting Numbers: [53, 28, 9] Generated Node #0,2: 72:[53, 28, 9] Operation: 94-85=9 Exploring Operation: 94-28=66, Resulting Numbers: [85, 53, 66] Generated Node #0,3: 72:[85, 53, 66] Operation: 94-28=66 Exploring Operation: 85-53=32, Resulting Numbers: [94, 28, 32] Generated Node #0,4: 72:[94, 28, 32] Operation: 85-53=32 Moving to Node #0,2 Current State: 72:[53, 28, 9], Operations: ['94-85=9'] Exploring Operation: 53+28=81, Resulting Numbers: [9, 81] Generated Node #0,2,0: 72:[9, 81] Operation: 53+28=81 Exploring Operation: 53-9=44, Resulting Numbers: [28, 44] Generated Node #0,2,1: 72:[28, 44] Operation: 53-9=44 Exploring Operation: 28+9=37, Resulting Numbers: [53, 37] Generated Node #0,2,2: 72:[53, 37] Operation: 28+9=37 Exploring Operation: 53+9=62, Resulting Numbers: [28, 62] Generated Node #0,2,3: 72:[28, 62] Operation: 53+9=62 Exploring Operation: 53-28=25, Resulting Numbers: [9, 25] Generated Node #0,2,4: 72:[9, 25] Operation: 53-28=25 Moving to Node #0,0 Current State: 72:[85, 28, 41], Operations: ['94-53=41'] Exploring Operation: 85-28=57, Resulting Numbers: [41, 57] Generated Node #0,0,0: 72:[41, 57] Operation: 85-28=57 Exploring Operation: 85+28=113, Resulting Numbers: [41, 113] Generated Node #0,0,1: 72:[41, 113] Operation: 85+28=113 Exploring Operation: 41-28=13, Resulting Numbers: [85, 13] Generated Node #0,0,2: 72:[85, 13] Operation: 41-28=13 Exploring Operation: 85-41=44, Resulting Numbers: [28, 44] Generated Node #0,0,3: 72:[28, 44] Operation: 85-41=44 Exploring Operation: 28+41=69, Resulting Numbers: [85, 69] Generated Node #0,0,4: 72:[85, 69] Operation: 28+41=69 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[28, 44], Operations: ['94-53=41', '85-41=44'] Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,72 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[85, 94, 53, 28], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [85, 28, 41] Generated Node #0,0: 72:[85, 28, 41] Operation: 94-53=41 Moving to Node #0,0 Current State: 72:[85, 28, 41], Operations: ['94-53=41'] Exploring Operation: 85-41=44, Resulting Numbers: [28, 44] Generated Node #0,0,3: 72:[28, 44] Operation: 85-41=44 Moving to Node #0,0,3 Current State: 72:[28, 44], Operations: ['94-53=41', '85-41=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 69, 58, 38, 11 ]
38
[ "69-58=11", "38+11=49", "49-11=38" ]
Current State: 38:[69, 58, 38, 11], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [38, 11, 11] Generated Node #2: [38, 11, 11] from Operation: 69-58=11 Current State: 38:[38, 11, 11], Operations: ['69-58=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,38 equal: Goal Reached Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[69, 58, 38, 11], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [38, 11, 11] Generated Node #0,0: 38:[38, 11, 11] Operation: 69-58=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[38, 11, 11], Operations: ['69-58=11'] Exploring Operation: 11/11=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 11/11=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['69-58=11', '11/11=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[69, 58, 38, 11], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [38, 11, 11] Generated Node #0,0: 38:[38, 11, 11] Operation: 69-58=11 Moving to Node #0,0 Current State: 38:[38, 11, 11], Operations: ['69-58=11'] Exploring Operation: 11/11=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 11/11=1 Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['69-58=11', '11/11=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 17, 21, 38, 80 ]
80
[ "17+21=38", "38+80=118", "118-38=80" ]
Current State: 80:[17, 21, 38, 80], Operations: [] Exploring Operation: 17+21=38, Resulting Numbers: [38, 80, 38] Generated Node #2: [38, 80, 38] from Operation: 17+21=38 Current State: 80:[38, 80, 38], Operations: ['17+21=38'] Exploring Operation: 38+80=118, Resulting Numbers: [118] 118,80 equal: Goal Reached Exploring Operation: 118-38=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[17, 21, 38, 80], Operations: [] Exploring Operation: 38-17=21, Resulting Numbers: [21, 80, 21] Generated Node #0,0: 80:[21, 80, 21] Operation: 38-17=21 Exploring Operation: 21-17=4, Resulting Numbers: [38, 80, 4] Generated Node #0,1: 80:[38, 80, 4] Operation: 21-17=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[21, 80, 21], Operations: ['38-17=21'] Exploring Operation: 21/21=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 80:[80, 1] Operation: 21/21=1 Exploring Operation: 21+21=42, Resulting Numbers: [80, 42] Generated Node #0,0,1: 80:[80, 42] Operation: 21+21=42 Moving to Node #0,0,0 Current State: 80:[80, 1], Operations: ['38-17=21', '21/21=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[17, 21, 38, 80], Operations: [] Exploring Operation: 38-17=21, Resulting Numbers: [21, 80, 21] Generated Node #0,0: 80:[21, 80, 21] Operation: 38-17=21 Moving to Node #0,0 Current State: 80:[21, 80, 21], Operations: ['38-17=21'] Exploring Operation: 21/21=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 80:[80, 1] Operation: 21/21=1 Moving to Node #0,0,0 Current State: 80:[80, 1], Operations: ['38-17=21', '21/21=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 8, 44, 2, 64 ]
40
[ "8+44=52", "2*52=104", "104-64=40" ]
Current State: 40:[8, 44, 2, 64], Operations: [] Exploring Operation: 8+44=52, Resulting Numbers: [2, 64, 52] Generated Node #2: [2, 64, 52] from Operation: 8+44=52 Current State: 40:[2, 64, 52], Operations: ['8+44=52'] Exploring Operation: 2*52=104, Resulting Numbers: [64, 104] Generated Node #3: [64, 104] from Operation: 2*52=104 Current State: 40:[64, 104], Operations: ['8+44=52', '2*52=104'] Exploring Operation: 104-64=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[8, 44, 2, 64], Operations: [] Exploring Operation: 64-8=56, Resulting Numbers: [44, 2, 56] Generated Node #0,0: 40:[44, 2, 56] Operation: 64-8=56 Exploring Operation: 64/8=8, Resulting Numbers: [44, 2, 8] Generated Node #0,1: 40:[44, 2, 8] Operation: 64/8=8 Exploring Operation: 64-44=20, Resulting Numbers: [8, 2, 20] Generated Node #0,2: 40:[8, 2, 20] Operation: 64-44=20 Exploring Operation: 64/2=32, Resulting Numbers: [8, 44, 32] Generated Node #0,3: 40:[8, 44, 32] Operation: 64/2=32 Moving to Node #0,2 Current State: 40:[8, 2, 20], Operations: ['64-44=20'] Exploring Operation: 8/2=4, Resulting Numbers: [20, 4] Generated Node #0,2,0: 40:[20, 4] Operation: 8/2=4 Exploring Operation: 2*20=40, Resulting Numbers: [8, 40] Generated Node #0,2,1: 40:[8, 40] Operation: 2*20=40 Exploring Operation: 20/2=10, Resulting Numbers: [8, 10] Generated Node #0,2,2: 40:[8, 10] Operation: 20/2=10 Exploring Operation: 8+2=10, Resulting Numbers: [20, 10] Generated Node #0,2,3: 40:[20, 10] Operation: 8+2=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 40:[20, 4], Operations: ['64-44=20', '8/2=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,40 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 40:[8, 40], Operations: ['64-44=20', '2*20=40'] Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,40 unequal: No Solution Exploring Operation: 8*40=320, Resulting Numbers: [320] 320,40 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,40 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 40:[8, 10], Operations: ['64-44=20', '20/2=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,40 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 40:[20, 10], Operations: ['64-44=20', '8+2=10'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,40 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,40 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: 40:[44, 2, 8], Operations: ['64/8=8'] Exploring Operation: 44/2=22, Resulting Numbers: [8, 22] Generated Node #0,1,0: 40:[8, 22] Operation: 44/2=22 Exploring Operation: 2+8=10, Resulting Numbers: [44, 10] Generated Node #0,1,1: 40:[44, 10] Operation: 2+8=10 Exploring Operation: 44-2=42, Resulting Numbers: [8, 42] Generated Node #0,1,2: 40:[8, 42] Operation: 44-2=42 Exploring Operation: 44-8=36, Resulting Numbers: [2, 36] Generated Node #0,1,3: 40:[2, 36] Operation: 44-8=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[8, 22], Operations: ['64/8=8', '44/2=22'] Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,40 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,40 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[8, 42], Operations: ['64/8=8', '44-2=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,40 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[44, 10], Operations: ['64/8=8', '2+8=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,40 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 40:[2, 36], Operations: ['64/8=8', '44-8=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,40 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,40 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: 40:[8, 44, 32], Operations: ['64/2=32'] Exploring Operation: 8+32=40, Resulting Numbers: [44, 40] Generated Node #0,3,0: 40:[44, 40] Operation: 8+32=40 Exploring Operation: 32-8=24, Resulting Numbers: [44, 24] Generated Node #0,3,1: 40:[44, 24] Operation: 32-8=24 Exploring Operation: 32/8=4, Resulting Numbers: [44, 4] Generated Node #0,3,2: 40:[44, 4] Operation: 32/8=4 Exploring Operation: 44-32=12, Resulting Numbers: [8, 12] Generated Node #0,3,3: 40:[8, 12] Operation: 44-32=12 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 40:[8, 12], Operations: ['64/2=32', '44-32=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,40 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 40:[44, 40], Operations: ['64/2=32', '8+32=40'] Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,40 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,40 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 40:[44, 4], Operations: ['64/2=32', '32/8=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[8, 44, 2, 64], Operations: [] Exploring Operation: 64/2=32, Resulting Numbers: [8, 44, 32] Generated Node #0,3: 40:[8, 44, 32] Operation: 64/2=32 Moving to Node #0,3 Current State: 40:[8, 44, 32], Operations: ['64/2=32'] Exploring Operation: 32/8=4, Resulting Numbers: [44, 4] Generated Node #0,3,2: 40:[44, 4] Operation: 32/8=4 Moving to Node #0,3,2 Current State: 40:[44, 4], Operations: ['64/2=32', '32/8=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_4
mult_heuristic
[ 47, 82, 82, 20 ]
28
[ "47-20=27", "82/82=1", "27+1=28" ]
Current State: 28:[47, 82, 82, 20], Operations: [] Exploring Operation: 47-20=27, Resulting Numbers: [82, 82, 27] Generated Node #2: [82, 82, 27] from Operation: 47-20=27 Current State: 28:[82, 82, 27], Operations: ['47-20=27'] Exploring Operation: 82/82=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 82/82=1 Current State: 28:[27, 1], Operations: ['47-20=27', '82/82=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[47, 82, 82, 20], Operations: [] Exploring Operation: 82-82=0, Resulting Numbers: [47, 20, 0] Generated Node #0,0: 28:[47, 20, 0] Operation: 82-82=0 Exploring Operation: 82/82=1, Resulting Numbers: [47, 20, 1] Generated Node #0,1: 28:[47, 20, 1] Operation: 82/82=1 Exploring Operation: 82-47=35, Resulting Numbers: [82, 20, 35] Generated Node #0,2: 28:[82, 20, 35] Operation: 82-47=35 Exploring Operation: 82-47=35, Resulting Numbers: [82, 20, 35] Generated Node #0,3: 28:[82, 20, 35] Operation: 82-47=35 Moving to Node #0,1 Current State: 28:[47, 20, 1], Operations: ['82/82=1'] Exploring Operation: 47-20=27, Resulting Numbers: [1, 27] Generated Node #0,1,0: 28:[1, 27] Operation: 47-20=27 Exploring Operation: 20-1=19, Resulting Numbers: [47, 19] Generated Node #0,1,1: 28:[47, 19] Operation: 20-1=19 Exploring Operation: 47*1=47, Resulting Numbers: [20, 47] Generated Node #0,1,2: 28:[20, 47] Operation: 47*1=47 Exploring Operation: 47-1=46, Resulting Numbers: [20, 46] Generated Node #0,1,3: 28:[20, 46] Operation: 47-1=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[1, 27], Operations: ['82/82=1', '47-20=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[47, 82, 82, 20], Operations: [] Exploring Operation: 82/82=1, Resulting Numbers: [47, 20, 1] Generated Node #0,1: 28:[47, 20, 1] Operation: 82/82=1 Moving to Node #0,1 Current State: 28:[47, 20, 1], Operations: ['82/82=1'] Exploring Operation: 47-20=27, Resulting Numbers: [1, 27] Generated Node #0,1,0: 28:[1, 27] Operation: 47-20=27 Moving to Node #0,1,0 Current State: 28:[1, 27], Operations: ['82/82=1', '47-20=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 20, 80, 72, 23 ]
76
[ "20+72=92", "92/23=4", "80-4=76" ]
Current State: 76:[20, 80, 72, 23], Operations: [] Exploring Operation: 20+72=92, Resulting Numbers: [80, 23, 92] Generated Node #2: [80, 23, 92] from Operation: 20+72=92 Current State: 76:[80, 23, 92], Operations: ['20+72=92'] Exploring Operation: 92/23=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 92/23=4 Current State: 76:[80, 4], Operations: ['20+72=92', '92/23=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[20, 80, 72, 23], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [72, 23, 4] Generated Node #0,0: 76:[72, 23, 4] Operation: 80/20=4 Exploring Operation: 23-20=3, Resulting Numbers: [80, 72, 3] Generated Node #0,1: 76:[80, 72, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[72, 23, 4], Operations: ['80/20=4'] Exploring Operation: 72+4=76, Resulting Numbers: [23, 76] Generated Node #0,0,0: 76:[23, 76] Operation: 72+4=76 Exploring Operation: 23-4=19, Resulting Numbers: [72, 19] Generated Node #0,0,1: 76:[72, 19] Operation: 23-4=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[23, 76], Operations: ['80/20=4', '72+4=76'] Exploring Operation: 23+76=99, Resulting Numbers: [99] 99,76 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[72, 19], Operations: ['80/20=4', '23-4=19'] Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,76 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[80, 72, 3], Operations: ['23-20=3'] Exploring Operation: 80-3=77, Resulting Numbers: [72, 77] Generated Node #0,1,0: 76:[72, 77] Operation: 80-3=77 Exploring Operation: 80-72=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 76:[3, 8] Operation: 80-72=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[72, 77], Operations: ['23-20=3', '80-3=77'] Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 72+77=149, Resulting Numbers: [149] 149,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[3, 8], Operations: ['23-20=3', '80-72=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 82, 55, 91, 29 ]
89
[ "82-55=27", "91-29=62", "27+62=89" ]
Current State: 89:[82, 55, 91, 29], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [91, 29, 27] Generated Node #2: [91, 29, 27] from Operation: 82-55=27 Current State: 89:[91, 29, 27], Operations: ['82-55=27'] Exploring Operation: 91-29=62, Resulting Numbers: [27, 62] Generated Node #3: [27, 62] from Operation: 91-29=62 Current State: 89:[27, 62], Operations: ['82-55=27', '91-29=62'] Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[82, 55, 91, 29], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [55, 91, 53] Generated Node #0,0: 89:[55, 91, 53] Operation: 82-29=53 Exploring Operation: 82+29=111, Resulting Numbers: [55, 91, 111] Generated Node #0,1: 89:[55, 91, 111] Operation: 82+29=111 Exploring Operation: 91-29=62, Resulting Numbers: [82, 55, 62] Generated Node #0,2: 89:[82, 55, 62] Operation: 91-29=62 Exploring Operation: 55+29=84, Resulting Numbers: [82, 91, 84] Generated Node #0,3: 89:[82, 91, 84] Operation: 55+29=84 Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[82, 91, 84], Operations: ['55+29=84'] Exploring Operation: 82+91=173, Resulting Numbers: [84, 173] Generated Node #0,3,0: 89:[84, 173] Operation: 82+91=173 Exploring Operation: 84-82=2, Resulting Numbers: [91, 2] Generated Node #0,3,1: 89:[91, 2] Operation: 84-82=2 Exploring Operation: 91-82=9, Resulting Numbers: [84, 9] Generated Node #0,3,2: 89:[84, 9] Operation: 91-82=9 Exploring Operation: 82+84=166, Resulting Numbers: [91, 166] Generated Node #0,3,3: 89:[91, 166] Operation: 82+84=166 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[91, 166], Operations: ['55+29=84', '82+84=166'] Exploring Operation: 91*166=15106, Resulting Numbers: [15106] 15106,89 unequal: No Solution Exploring Operation: 166-91=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 91+166=257, Resulting Numbers: [257] 257,89 unequal: No Solution No 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: 89:[84, 9], Operations: ['55+29=84', '91-82=9'] Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,89 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,89 unequal: No Solution No 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: 89:[84, 173], Operations: ['55+29=84', '82+91=173'] Exploring Operation: 173-84=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[82, 55, 91, 29], Operations: [] Exploring Operation: 55+29=84, Resulting Numbers: [82, 91, 84] Generated Node #0,3: 89:[82, 91, 84] Operation: 55+29=84 Moving to Node #0,3 Current State: 89:[82, 91, 84], Operations: ['55+29=84'] Exploring Operation: 82+91=173, Resulting Numbers: [84, 173] Generated Node #0,3,0: 89:[84, 173] Operation: 82+91=173 Moving to Node #0,3,0 Current State: 89:[84, 173], Operations: ['55+29=84', '82+91=173'] Exploring Operation: 173-84=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 6, 49, 66, 2 ]
51
[ "6/2=3", "66-49=17", "3*17=51" ]
Current State: 51:[6, 49, 66, 2], Operations: [] Exploring Operation: 6/2=3, Resulting Numbers: [49, 66, 3] Generated Node #2: [49, 66, 3] from Operation: 6/2=3 Current State: 51:[49, 66, 3], Operations: ['6/2=3'] Exploring Operation: 66-49=17, Resulting Numbers: [3, 17] Generated Node #3: [3, 17] from Operation: 66-49=17 Current State: 51:[3, 17], Operations: ['6/2=3', '66-49=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[6, 49, 66, 2], Operations: [] Exploring Operation: 66-49=17, Resulting Numbers: [6, 2, 17] Generated Node #0,0: 51:[6, 2, 17] Operation: 66-49=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[6, 2, 17], Operations: ['66-49=17'] Exploring Operation: 6/2=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 51:[17, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[17, 3], Operations: ['66-49=17', '6/2=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[6, 49, 66, 2], Operations: [] Exploring Operation: 66-49=17, Resulting Numbers: [6, 2, 17] Generated Node #0,0: 51:[6, 2, 17] Operation: 66-49=17 Moving to Node #0,0 Current State: 51:[6, 2, 17], Operations: ['66-49=17'] Exploring Operation: 6/2=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 51:[17, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 51:[17, 3], Operations: ['66-49=17', '6/2=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 12, 26, 1, 43 ]
80
[ "12+26=38", "43-1=42", "38+42=80" ]
Current State: 80:[12, 26, 1, 43], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [1, 43, 38] Generated Node #2: [1, 43, 38] from Operation: 12+26=38 Current State: 80:[1, 43, 38], Operations: ['12+26=38'] Exploring Operation: 43-1=42, Resulting Numbers: [38, 42] Generated Node #3: [38, 42] from Operation: 43-1=42 Current State: 80:[38, 42], Operations: ['12+26=38', '43-1=42'] Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[12, 26, 1, 43], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [1, 43, 38] Generated Node #0,0: 80:[1, 43, 38] Operation: 12+26=38 Exploring Operation: 43-26=17, Resulting Numbers: [12, 1, 17] Generated Node #0,1: 80:[12, 1, 17] Operation: 43-26=17 Exploring Operation: 26-1=25, Resulting Numbers: [12, 43, 25] Generated Node #0,2: 80:[12, 43, 25] Operation: 26-1=25 Exploring Operation: 26-12=14, Resulting Numbers: [1, 43, 14] Generated Node #0,3: 80:[1, 43, 14] Operation: 26-12=14 Exploring Operation: 12-1=11, Resulting Numbers: [26, 43, 11] Generated Node #0,4: 80:[26, 43, 11] Operation: 12-1=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[12, 1, 17], Operations: ['43-26=17'] Exploring Operation: 12*1=12, Resulting Numbers: [17, 12] Generated Node #0,1,0: 80:[17, 12] Operation: 12*1=12 Exploring Operation: 12-1=11, Resulting Numbers: [17, 11] Generated Node #0,1,1: 80:[17, 11] Operation: 12-1=11 Exploring Operation: 12/1=12, Resulting Numbers: [17, 12] Generated Node #0,1,2: 80:[17, 12] Operation: 12/1=12 Exploring Operation: 17-1=16, Resulting Numbers: [12, 16] Generated Node #0,1,3: 80:[12, 16] Operation: 17-1=16 Exploring Operation: 17-12=5, Resulting Numbers: [1, 5] Generated Node #0,1,4: 80:[1, 5] Operation: 17-12=5 Moving to Node #0,1,4 Current State: 80:[1, 5], Operations: ['43-26=17', '17-12=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[12, 16], Operations: ['43-26=17', '17-1=16'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[17, 11], Operations: ['43-26=17', '12-1=11'] Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,80 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[17, 12], Operations: ['43-26=17', '12*1=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,80 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[17, 12], Operations: ['43-26=17', '12/1=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,80 unequal: No Solution Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[1, 43, 38], Operations: ['12+26=38'] Exploring Operation: 43-1=42, Resulting Numbers: [38, 42] Generated Node #0,0,0: 80:[38, 42] Operation: 43-1=42 Exploring Operation: 1*43=43, Resulting Numbers: [38, 43] Generated Node #0,0,1: 80:[38, 43] Operation: 1*43=43 Exploring Operation: 43+38=81, Resulting Numbers: [1, 81] Generated Node #0,0,2: 80:[1, 81] Operation: 43+38=81 Exploring Operation: 1+38=39, Resulting Numbers: [43, 39] Generated Node #0,0,3: 80:[43, 39] Operation: 1+38=39 Exploring Operation: 43-38=5, Resulting Numbers: [1, 5] Generated Node #0,0,4: 80:[1, 5] Operation: 43-38=5 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 80:[1, 5], Operations: ['12+26=38', '43-38=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,80 unequal: No Solution No 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: 80:[1, 81], Operations: ['12+26=38', '43+38=81'] Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 1+81=82, Resulting Numbers: [82] 82,80 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[12, 26, 1, 43], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [1, 43, 38] Generated Node #0,0: 80:[1, 43, 38] Operation: 12+26=38 Moving to Node #0,0 Current State: 80:[1, 43, 38], Operations: ['12+26=38'] Exploring Operation: 43+38=81, Resulting Numbers: [1, 81] Generated Node #0,0,2: 80:[1, 81] Operation: 43+38=81 Moving to Node #0,0,2 Current State: 80:[1, 81], Operations: ['12+26=38', '43+38=81'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 12, 62, 36, 6 ]
44
[ "12+62=74", "36-6=30", "74-30=44" ]
Current State: 44:[12, 62, 36, 6], Operations: [] Exploring Operation: 12+62=74, Resulting Numbers: [36, 6, 74] Generated Node #2: [36, 6, 74] from Operation: 12+62=74 Current State: 44:[36, 6, 74], Operations: ['12+62=74'] Exploring Operation: 36-6=30, Resulting Numbers: [74, 30] Generated Node #3: [74, 30] from Operation: 36-6=30 Current State: 44:[74, 30], Operations: ['12+62=74', '36-6=30'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[12, 62, 36, 6], Operations: [] Exploring Operation: 62-12=50, Resulting Numbers: [36, 6, 50] Generated Node #0,0: 44:[36, 6, 50] Operation: 62-12=50 Exploring Operation: 62-36=26, Resulting Numbers: [12, 6, 26] Generated Node #0,1: 44:[12, 6, 26] Operation: 62-36=26 Exploring Operation: 36/12=3, Resulting Numbers: [62, 6, 3] Generated Node #0,2: 44:[62, 6, 3] Operation: 36/12=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[12, 6, 26], Operations: ['62-36=26'] Exploring Operation: 26-6=20, Resulting Numbers: [12, 20] Generated Node #0,1,0: 44:[12, 20] Operation: 26-6=20 Exploring Operation: 26-12=14, Resulting Numbers: [6, 14] Generated Node #0,1,1: 44:[6, 14] Operation: 26-12=14 Exploring Operation: 12/6=2, Resulting Numbers: [26, 2] Generated Node #0,1,2: 44:[26, 2] Operation: 12/6=2 Moving to Node #0,1,0 Current State: 44:[12, 20], Operations: ['62-36=26', '26-6=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[26, 2], Operations: ['62-36=26', '12/6=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[6, 14], Operations: ['62-36=26', '26-12=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,44 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,44 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 #0,0 Current State: 44:[36, 6, 50], Operations: ['62-12=50'] Exploring Operation: 36+6=42, Resulting Numbers: [50, 42] Generated Node #0,0,0: 44:[50, 42] Operation: 36+6=42 Exploring Operation: 36/6=6, Resulting Numbers: [50, 6] Generated Node #0,0,1: 44:[50, 6] Operation: 36/6=6 Exploring Operation: 50-36=14, Resulting Numbers: [6, 14] Generated Node #0,0,2: 44:[6, 14] Operation: 50-36=14 Moving to Node #0,0,2 Current State: 44:[6, 14], Operations: ['62-12=50', '50-36=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,44 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[50, 42], Operations: ['62-12=50', '36+6=42'] Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 50+42=92, Resulting Numbers: [92] 92,44 unequal: No Solution Exploring Operation: 50*42=2100, Resulting Numbers: [2100] 2100,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[50, 6], Operations: ['62-12=50', '36/6=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,44 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[12, 62, 36, 6], Operations: [] Exploring Operation: 62-12=50, Resulting Numbers: [36, 6, 50] Generated Node #0,0: 44:[36, 6, 50] Operation: 62-12=50 Moving to Node #0,0 Current State: 44:[36, 6, 50], Operations: ['62-12=50'] Exploring Operation: 36/6=6, Resulting Numbers: [50, 6] Generated Node #0,0,1: 44:[50, 6] Operation: 36/6=6 Moving to Node #0,0,1 Current State: 44:[50, 6], Operations: ['62-12=50', '36/6=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 78, 49, 65, 37 ]
73
[ "78-49=29", "65+37=102", "102-29=73" ]
Current State: 73:[78, 49, 65, 37], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [65, 37, 29] Generated Node #2: [65, 37, 29] from Operation: 78-49=29 Current State: 73:[65, 37, 29], Operations: ['78-49=29'] Exploring Operation: 65+37=102, Resulting Numbers: [29, 102] Generated Node #3: [29, 102] from Operation: 65+37=102 Current State: 73:[29, 102], Operations: ['78-49=29', '65+37=102'] Exploring Operation: 102-29=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[78, 49, 65, 37], Operations: [] Exploring Operation: 49+37=86, Resulting Numbers: [78, 65, 86] Generated Node #0,0: 73:[78, 65, 86] Operation: 49+37=86 Moving to Node #0,0 Current State: 73:[78, 65, 86], Operations: ['49+37=86'] Exploring Operation: 86-65=21, Resulting Numbers: [78, 21] Generated Node #0,0,0: 73:[78, 21] Operation: 86-65=21 Moving to Node #0,0,0 Current State: 73:[78, 21], Operations: ['49+37=86', '86-65=21'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,73 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 42, 87, 56, 62 ]
84
[ "42*62=2604", "87-56=31", "2604/31=84" ]
Current State: 84:[42, 87, 56, 62], Operations: [] Exploring Operation: 42*62=2604, Resulting Numbers: [87, 56, 2604] Generated Node #2: [87, 56, 2604] from Operation: 42*62=2604 Current State: 84:[87, 56, 2604], Operations: ['42*62=2604'] Exploring Operation: 87-56=31, Resulting Numbers: [2604, 31] Generated Node #3: [2604, 31] from Operation: 87-56=31 Current State: 84:[2604, 31], Operations: ['42*62=2604', '87-56=31'] Exploring Operation: 2604/31=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[42, 87, 56, 62], Operations: [] Exploring Operation: 62-42=20, Resulting Numbers: [87, 56, 20] Generated Node #0,0: 84:[87, 56, 20] Operation: 62-42=20 Exploring Operation: 87-56=31, Resulting Numbers: [42, 62, 31] Generated Node #0,1: 84:[42, 62, 31] Operation: 87-56=31 Exploring Operation: 62-56=6, Resulting Numbers: [42, 87, 6] Generated Node #0,2: 84:[42, 87, 6] Operation: 62-56=6 Exploring Operation: 87-62=25, Resulting Numbers: [42, 56, 25] Generated Node #0,3: 84:[42, 56, 25] Operation: 87-62=25 Exploring Operation: 56-42=14, Resulting Numbers: [87, 62, 14] Generated Node #0,4: 84:[87, 62, 14] Operation: 56-42=14 Moving to Node #0,2 Current State: 84:[42, 87, 6], Operations: ['62-56=6'] Exploring Operation: 42-6=36, Resulting Numbers: [87, 36] Generated Node #0,2,0: 84:[87, 36] Operation: 42-6=36 Exploring Operation: 42+6=48, Resulting Numbers: [87, 48] Generated Node #0,2,1: 84:[87, 48] Operation: 42+6=48 Exploring Operation: 87-42=45, Resulting Numbers: [6, 45] Generated Node #0,2,2: 84:[6, 45] Operation: 87-42=45 Exploring Operation: 42/6=7, Resulting Numbers: [87, 7] Generated Node #0,2,3: 84:[87, 7] Operation: 42/6=7 Exploring Operation: 87-6=81, Resulting Numbers: [42, 81] Generated Node #0,2,4: 84:[42, 81] Operation: 87-6=81 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[6, 45], Operations: ['62-56=6', '87-42=45'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,84 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[87, 7], Operations: ['62-56=6', '42/6=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 84:[42, 81], Operations: ['62-56=6', '87-6=81'] Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,84 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[87, 36], Operations: ['62-56=6', '42-6=36'] Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,84 unequal: No Solution Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[87, 48], Operations: ['62-56=6', '42+6=48'] Exploring Operation: 87+48=135, Resulting Numbers: [135] 135,84 unequal: No Solution Exploring Operation: 87*48=4176, Resulting Numbers: [4176] 4176,84 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,84 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: 84:[42, 56, 25], Operations: ['87-62=25'] Exploring Operation: 56-25=31, Resulting Numbers: [42, 31] Generated Node #0,3,0: 84:[42, 31] Operation: 56-25=31 Exploring Operation: 42-25=17, Resulting Numbers: [56, 17] Generated Node #0,3,1: 84:[56, 17] Operation: 42-25=17 Exploring Operation: 42+56=98, Resulting Numbers: [25, 98] Generated Node #0,3,2: 84:[25, 98] Operation: 42+56=98 Exploring Operation: 56-42=14, Resulting Numbers: [25, 14] Generated Node #0,3,3: 84:[25, 14] Operation: 56-42=14 Exploring Operation: 56+25=81, Resulting Numbers: [42, 81] Generated Node #0,3,4: 84:[42, 81] Operation: 56+25=81 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[42, 31], Operations: ['87-62=25', '56-25=31'] Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,84 unequal: No Solution Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[25, 14], Operations: ['87-62=25', '56-42=14'] Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,84 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 84:[42, 81], Operations: ['87-62=25', '56+25=81'] Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,84 unequal: No Solution Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 84:[56, 17], Operations: ['87-62=25', '42-25=17'] Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,84 unequal: No Solution Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 56*17=952, Resulting Numbers: [952] 952,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[25, 98], Operations: ['87-62=25', '42+56=98'] Exploring Operation: 25*98=2450, Resulting Numbers: [2450] 2450,84 unequal: No Solution Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 25+98=123, Resulting Numbers: [123] 123,84 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: 84:[87, 56, 20], Operations: ['62-42=20'] Exploring Operation: 87-56=31, Resulting Numbers: [20, 31] Generated Node #0,0,0: 84:[20, 31] Operation: 87-56=31 Exploring Operation: 56-20=36, Resulting Numbers: [87, 36] Generated Node #0,0,1: 84:[87, 36] Operation: 56-20=36 Exploring Operation: 87+20=107, Resulting Numbers: [56, 107] Generated Node #0,0,2: 84:[56, 107] Operation: 87+20=107 Exploring Operation: 56+20=76, Resulting Numbers: [87, 76] Generated Node #0,0,3: 84:[87, 76] Operation: 56+20=76 Exploring Operation: 87-20=67, Resulting Numbers: [56, 67] Generated Node #0,0,4: 84:[56, 67] Operation: 87-20=67 Moving to Node #0,1 Current State: 84:[42, 62, 31], Operations: ['87-56=31'] Exploring Operation: 62-42=20, Resulting Numbers: [31, 20] Generated Node #0,1,0: 84:[31, 20] Operation: 62-42=20 Exploring Operation: 42-31=11, Resulting Numbers: [62, 11] Generated Node #0,1,1: 84:[62, 11] Operation: 42-31=11 Exploring Operation: 62/31=2, Resulting Numbers: [42, 2] Generated Node #0,1,2: 84:[42, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [42, 31] Generated Node #0,1,3: 84:[42, 31] Operation: 62-31=31 Exploring Operation: 62+31=93, Resulting Numbers: [42, 93] Generated Node #0,1,4: 84:[42, 93] Operation: 62+31=93 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[42, 2], Operations: ['87-56=31', '62/31=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[42, 87, 56, 62], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [42, 62, 31] Generated Node #0,1: 84:[42, 62, 31] Operation: 87-56=31 Moving to Node #0,1 Current State: 84:[42, 62, 31], Operations: ['87-56=31'] Exploring Operation: 62/31=2, Resulting Numbers: [42, 2] Generated Node #0,1,2: 84:[42, 2] Operation: 62/31=2 Moving to Node #0,1,2 Current State: 84:[42, 2], Operations: ['87-56=31', '62/31=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 12, 48, 7, 8 ]
61
[ "12+48=60", "8-7=1", "60+1=61" ]
Current State: 61:[12, 48, 7, 8], Operations: [] Exploring Operation: 12+48=60, Resulting Numbers: [7, 8, 60] Generated Node #2: [7, 8, 60] from Operation: 12+48=60 Current State: 61:[7, 8, 60], Operations: ['12+48=60'] Exploring Operation: 8-7=1, Resulting Numbers: [60, 1] Generated Node #3: [60, 1] from Operation: 8-7=1 Current State: 61:[60, 1], Operations: ['12+48=60', '8-7=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[12, 48, 7, 8], Operations: [] Exploring Operation: 12*8=96, Resulting Numbers: [48, 7, 96] Generated Node #0,0: 61:[48, 7, 96] Operation: 12*8=96 Exploring Operation: 7*8=56, Resulting Numbers: [12, 48, 56] Generated Node #0,1: 61:[12, 48, 56] Operation: 7*8=56 Exploring Operation: 12+48=60, Resulting Numbers: [7, 8, 60] Generated Node #0,2: 61:[7, 8, 60] Operation: 12+48=60 Exploring Operation: 12*7=84, Resulting Numbers: [48, 8, 84] Generated Node #0,3: 61:[48, 8, 84] Operation: 12*7=84 Moving to Node #0,1 Current State: 61:[12, 48, 56], Operations: ['7*8=56'] Exploring Operation: 56-12=44, Resulting Numbers: [48, 44] Generated Node #0,1,0: 61:[48, 44] Operation: 56-12=44 Exploring Operation: 48-12=36, Resulting Numbers: [56, 36] Generated Node #0,1,1: 61:[56, 36] Operation: 48-12=36 Exploring Operation: 12+48=60, Resulting Numbers: [56, 60] Generated Node #0,1,2: 61:[56, 60] Operation: 12+48=60 Exploring Operation: 12+56=68, Resulting Numbers: [48, 68] Generated Node #0,1,3: 61:[48, 68] Operation: 12+56=68 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[56, 60], Operations: ['7*8=56', '12+48=60'] Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,61 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[48, 68], Operations: ['7*8=56', '12+56=68'] Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,61 unequal: No Solution Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[48, 44], Operations: ['7*8=56', '56-12=44'] Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 48*44=2112, Resulting Numbers: [2112] 2112,61 unequal: No Solution Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[56, 36], Operations: ['7*8=56', '48-12=36'] Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,61 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 61:[48, 8, 84], Operations: ['12*7=84'] Exploring Operation: 84-8=76, Resulting Numbers: [48, 76] Generated Node #0,3,0: 61:[48, 76] Operation: 84-8=76 Exploring Operation: 48-8=40, Resulting Numbers: [84, 40] Generated Node #0,3,1: 61:[84, 40] Operation: 48-8=40 Exploring Operation: 8+84=92, Resulting Numbers: [48, 92] Generated Node #0,3,2: 61:[48, 92] Operation: 8+84=92 Exploring Operation: 48+8=56, Resulting Numbers: [84, 56] Generated Node #0,3,3: 61:[84, 56] Operation: 48+8=56 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[48, 76], Operations: ['12*7=84', '84-8=76'] Exploring Operation: 48*76=3648, Resulting Numbers: [3648] 3648,61 unequal: No Solution Exploring Operation: 48+76=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,61 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:[84, 56], Operations: ['12*7=84', '48+8=56'] Exploring Operation: 84*56=4704, Resulting Numbers: [4704] 4704,61 unequal: No Solution Exploring Operation: 84+56=140, Resulting Numbers: [140] 140,61 unequal: No Solution Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,61 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 #0,3,1 Current State: 61:[84, 40], Operations: ['12*7=84', '48-8=40'] Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,61 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 #0,3,2 Current State: 61:[48, 92], Operations: ['12*7=84', '8+84=92'] Exploring Operation: 48*92=4416, Resulting Numbers: [4416] 4416,61 unequal: No Solution Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 48+92=140, Resulting Numbers: [140] 140,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 61:[48, 7, 96], Operations: ['12*8=96'] Exploring Operation: 96-7=89, Resulting Numbers: [48, 89] Generated Node #0,0,0: 61:[48, 89] Operation: 96-7=89 Exploring Operation: 48+7=55, Resulting Numbers: [96, 55] Generated Node #0,0,1: 61:[96, 55] Operation: 48+7=55 Exploring Operation: 7+96=103, Resulting Numbers: [48, 103] Generated Node #0,0,2: 61:[48, 103] Operation: 7+96=103 Exploring Operation: 48-7=41, Resulting Numbers: [96, 41] Generated Node #0,0,3: 61:[96, 41] Operation: 48-7=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[48, 89], Operations: ['12*8=96', '96-7=89'] Exploring Operation: 48*89=4272, Resulting Numbers: [4272] 4272,61 unequal: No Solution Exploring Operation: 48+89=137, Resulting Numbers: [137] 137,61 unequal: No Solution Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[96, 55], Operations: ['12*8=96', '48+7=55'] Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,61 unequal: No Solution Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,61 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[48, 103], Operations: ['12*8=96', '7+96=103'] Exploring Operation: 48*103=4944, Resulting Numbers: [4944] 4944,61 unequal: No Solution Exploring Operation: 103-48=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 48+103=151, Resulting Numbers: [151] 151,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[96, 41], Operations: ['12*8=96', '48-7=41'] Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,61 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 61:[7, 8, 60], Operations: ['12+48=60'] Exploring Operation: 7+8=15, Resulting Numbers: [60, 15] Generated Node #0,2,0: 61:[60, 15] Operation: 7+8=15 Exploring Operation: 7+60=67, Resulting Numbers: [8, 67] Generated Node #0,2,1: 61:[8, 67] Operation: 7+60=67 Exploring Operation: 7*8=56, Resulting Numbers: [60, 56] Generated Node #0,2,2: 61:[60, 56] Operation: 7*8=56 Exploring Operation: 8-7=1, Resulting Numbers: [60, 1] Generated Node #0,2,3: 61:[60, 1] Operation: 8-7=1 Moving to Node #0,2,2 Current State: 61:[60, 56], Operations: ['12+48=60', '7*8=56'] Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,61 unequal: No Solution Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,61 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[60, 15], Operations: ['12+48=60', '7+8=15'] Exploring Operation: 60+15=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 60*15=900, Resulting Numbers: [900] 900,61 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,61 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[8, 67], Operations: ['12+48=60', '7+60=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[60, 1], Operations: ['12+48=60', '8-7=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[12, 48, 7, 8], Operations: [] Exploring Operation: 12+48=60, Resulting Numbers: [7, 8, 60] Generated Node #0,2: 61:[7, 8, 60] Operation: 12+48=60 Moving to Node #0,2 Current State: 61:[7, 8, 60], Operations: ['12+48=60'] Exploring Operation: 8-7=1, Resulting Numbers: [60, 1] Generated Node #0,2,3: 61:[60, 1] Operation: 8-7=1 Moving to Node #0,2,3 Current State: 61:[60, 1], Operations: ['12+48=60', '8-7=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.936632
hs_4
sum_heuristic
[ 19, 55, 7, 14 ]
92
[ "19*7=133", "55-14=41", "133-41=92" ]
Current State: 92:[19, 55, 7, 14], Operations: [] Exploring Operation: 19*7=133, Resulting Numbers: [55, 14, 133] Generated Node #2: [55, 14, 133] from Operation: 19*7=133 Current State: 92:[55, 14, 133], Operations: ['19*7=133'] Exploring Operation: 55-14=41, Resulting Numbers: [133, 41] Generated Node #3: [133, 41] from Operation: 55-14=41 Current State: 92:[133, 41], Operations: ['19*7=133', '55-14=41'] Exploring Operation: 133-41=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[19, 55, 7, 14], Operations: [] Exploring Operation: 55-14=41, Resulting Numbers: [19, 7, 41] Generated Node #0,0: 92:[19, 7, 41] Operation: 55-14=41 Exploring Operation: 14/7=2, Resulting Numbers: [19, 55, 2] Generated Node #0,1: 92:[19, 55, 2] Operation: 14/7=2 Exploring Operation: 55-7=48, Resulting Numbers: [19, 14, 48] Generated Node #0,2: 92:[19, 14, 48] Operation: 55-7=48 Exploring Operation: 19-14=5, Resulting Numbers: [55, 7, 5] Generated Node #0,3: 92:[55, 7, 5] Operation: 19-14=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[19, 7, 41], Operations: ['55-14=41'] Exploring Operation: 41-19=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 92:[7, 22] Operation: 41-19=22 Exploring Operation: 19+7=26, Resulting Numbers: [41, 26] Generated Node #0,0,1: 92:[41, 26] Operation: 19+7=26 Exploring Operation: 19-7=12, Resulting Numbers: [41, 12] Generated Node #0,0,2: 92:[41, 12] Operation: 19-7=12 Exploring Operation: 7+41=48, Resulting Numbers: [19, 48] Generated Node #0,0,3: 92:[19, 48] Operation: 7+41=48 Moving to Node #0,0,0 Current State: 92:[7, 22], Operations: ['55-14=41', '41-19=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[19, 48], Operations: ['55-14=41', '7+41=48'] Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[41, 26], Operations: ['55-14=41', '19+7=26'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[41, 12], Operations: ['55-14=41', '19-7=12'] Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,92 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,92 unequal: No Solution Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[19, 55, 2], Operations: ['14/7=2'] Exploring Operation: 19+2=21, Resulting Numbers: [55, 21] Generated Node #0,1,0: 92:[55, 21] Operation: 19+2=21 Exploring Operation: 19-2=17, Resulting Numbers: [55, 17] Generated Node #0,1,1: 92:[55, 17] Operation: 19-2=17 Exploring Operation: 55-2=53, Resulting Numbers: [19, 53] Generated Node #0,1,2: 92:[19, 53] Operation: 55-2=53 Exploring Operation: 55-19=36, Resulting Numbers: [2, 36] Generated Node #0,1,3: 92:[2, 36] Operation: 55-19=36 Moving to Node #0,1,3 Current State: 92:[2, 36], Operations: ['14/7=2', '55-19=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[19, 53], Operations: ['14/7=2', '55-2=53'] Exploring Operation: 19*53=1007, Resulting Numbers: [1007] 1007,92 unequal: No Solution Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[55, 21], Operations: ['14/7=2', '19+2=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,92 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[55, 17], Operations: ['14/7=2', '19-2=17'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,92 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[55, 7, 5], Operations: ['19-14=5'] Exploring Operation: 55-5=50, Resulting Numbers: [7, 50] Generated Node #0,3,0: 92:[7, 50] Operation: 55-5=50 Exploring Operation: 55/5=11, Resulting Numbers: [7, 11] Generated Node #0,3,1: 92:[7, 11] Operation: 55/5=11 Exploring Operation: 55-7=48, Resulting Numbers: [5, 48] Generated Node #0,3,2: 92:[5, 48] Operation: 55-7=48 Exploring Operation: 7-5=2, Resulting Numbers: [55, 2] Generated Node #0,3,3: 92:[55, 2] Operation: 7-5=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 92:[5, 48], Operations: ['19-14=5', '55-7=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,92 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,92 unequal: No Solution No 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: 92:[7, 50], Operations: ['19-14=5', '55-5=50'] Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,92 unequal: No Solution No 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: 92:[55, 2], Operations: ['19-14=5', '7-5=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,92 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,92 unequal: No Solution No 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: 92:[7, 11], Operations: ['19-14=5', '55/5=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,92 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: 92:[19, 14, 48], Operations: ['55-7=48'] Exploring Operation: 19+14=33, Resulting Numbers: [48, 33] Generated Node #0,2,0: 92:[48, 33] Operation: 19+14=33 Exploring Operation: 48-19=29, Resulting Numbers: [14, 29] Generated Node #0,2,1: 92:[14, 29] Operation: 48-19=29 Exploring Operation: 48-14=34, Resulting Numbers: [19, 34] Generated Node #0,2,2: 92:[19, 34] Operation: 48-14=34 Exploring Operation: 19-14=5, Resulting Numbers: [48, 5] Generated Node #0,2,3: 92:[48, 5] Operation: 19-14=5 Moving to Node #0,2,3 Current State: 92:[48, 5], Operations: ['55-7=48', '19-14=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,92 unequal: No Solution Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[48, 33], Operations: ['55-7=48', '19+14=33'] Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,92 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[19, 34], Operations: ['55-7=48', '48-14=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,92 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[14, 29], Operations: ['55-7=48', '48-19=29'] Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 14*29=406, Resulting Numbers: [406] 406,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 29, 63, 31, 34 ]
30
[ "63-29=34", "34/34=1", "31-1=30" ]
Current State: 30:[29, 63, 31, 34], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [31, 34, 34] Generated Node #2: [31, 34, 34] from Operation: 63-29=34 Current State: 30:[31, 34, 34], Operations: ['63-29=34'] Exploring Operation: 34/34=1, Resulting Numbers: [31, 1] Generated Node #3: [31, 1] from Operation: 34/34=1 Current State: 30:[31, 1], Operations: ['63-29=34', '34/34=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[29, 63, 31, 34], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [29, 31, 29] Generated Node #0,0: 30:[29, 31, 29] Operation: 63-34=29 Moving to Node #0,0 Current State: 30:[29, 31, 29], Operations: ['63-34=29'] Exploring Operation: 31-29=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 30:[29, 2] Operation: 31-29=2 Moving to Node #0,0,0 Current State: 30:[29, 2], Operations: ['63-34=29', '31-29=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 40, 32, 71, 25 ]
12
[ "40-32=8", "71+25=96", "96/8=12" ]
Current State: 12:[40, 32, 71, 25], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [71, 25, 8] Generated Node #2: [71, 25, 8] from Operation: 40-32=8 Current State: 12:[71, 25, 8], Operations: ['40-32=8'] Exploring Operation: 71+25=96, Resulting Numbers: [8, 96] Generated Node #3: [8, 96] from Operation: 71+25=96 Current State: 12:[8, 96], Operations: ['40-32=8', '71+25=96'] Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[40, 32, 71, 25], Operations: [] Exploring Operation: 71-40=31, Resulting Numbers: [32, 25, 31] Generated Node #0,0: 12:[32, 25, 31] Operation: 71-40=31 Exploring Operation: 71-32=39, Resulting Numbers: [40, 25, 39] Generated Node #0,1: 12:[40, 25, 39] Operation: 71-32=39 Moving to Node #0,0 Current State: 12:[32, 25, 31], Operations: ['71-40=31'] Exploring Operation: 32-25=7, Resulting Numbers: [31, 7] Generated Node #0,0,0: 12:[31, 7] Operation: 32-25=7 Exploring Operation: 32-31=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 12:[25, 1] Operation: 32-31=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[25, 1], Operations: ['71-40=31', '32-31=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[31, 7], Operations: ['71-40=31', '32-25=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,12 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,12 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: 12:[40, 25, 39], Operations: ['71-32=39'] Exploring Operation: 40-25=15, Resulting Numbers: [39, 15] Generated Node #0,1,0: 12:[39, 15] Operation: 40-25=15 Exploring Operation: 40-39=1, Resulting Numbers: [25, 1] Generated Node #0,1,1: 12:[25, 1] Operation: 40-39=1 Moving to Node #0,1,1 Current State: 12:[25, 1], Operations: ['71-32=39', '40-39=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[39, 15], Operations: ['71-32=39', '40-25=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,12 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 12, 90, 28, 40 ]
10
[ "90-12=78", "28+40=68", "78-68=10" ]
Current State: 10:[12, 90, 28, 40], Operations: [] Exploring Operation: 90-12=78, Resulting Numbers: [28, 40, 78] Generated Node #2: [28, 40, 78] from Operation: 90-12=78 Current State: 10:[28, 40, 78], Operations: ['90-12=78'] Exploring Operation: 28+40=68, Resulting Numbers: [78, 68] Generated Node #3: [78, 68] from Operation: 28+40=68 Current State: 10:[78, 68], Operations: ['90-12=78', '28+40=68'] Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[12, 90, 28, 40], Operations: [] Exploring Operation: 90-40=50, Resulting Numbers: [12, 28, 50] Generated Node #0,0: 10:[12, 28, 50] Operation: 90-40=50 Moving to Node #0,0 Current State: 10:[12, 28, 50], Operations: ['90-40=50'] Exploring Operation: 50-28=22, Resulting Numbers: [12, 22] Generated Node #0,0,0: 10:[12, 22] Operation: 50-28=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[12, 22], Operations: ['90-40=50', '50-28=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[12, 90, 28, 40], Operations: [] Exploring Operation: 90-40=50, Resulting Numbers: [12, 28, 50] Generated Node #0,0: 10:[12, 28, 50] Operation: 90-40=50 Moving to Node #0,0 Current State: 10:[12, 28, 50], Operations: ['90-40=50'] Exploring Operation: 50-28=22, Resulting Numbers: [12, 22] Generated Node #0,0,0: 10:[12, 22] Operation: 50-28=22 Moving to Node #0,0,0 Current State: 10:[12, 22], Operations: ['90-40=50', '50-28=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 10, 96, 6 ]
99
[ "42/6=7", "10+96=106", "106-7=99" ]
Current State: 99:[42, 10, 96, 6], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [10, 96, 7] Generated Node #2: [10, 96, 7] from Operation: 42/6=7 Current State: 99:[10, 96, 7], Operations: ['42/6=7'] Exploring Operation: 10+96=106, Resulting Numbers: [7, 106] Generated Node #3: [7, 106] from Operation: 10+96=106 Current State: 99:[7, 106], Operations: ['42/6=7', '10+96=106'] Exploring Operation: 106-7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[42, 10, 96, 6], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [10, 96, 7] Generated Node #0,0: 99:[10, 96, 7] Operation: 42/6=7 Moving to Node #0,0 Current State: 99:[10, 96, 7], Operations: ['42/6=7'] Exploring Operation: 10-7=3, Resulting Numbers: [96, 3] Generated Node #0,0,0: 99:[96, 3] Operation: 10-7=3 Moving to Node #0,0,0 Current State: 99:[96, 3], Operations: ['42/6=7', '10-7=3'] Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[42, 10, 96, 6], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [10, 96, 7] Generated Node #0,0: 99:[10, 96, 7] Operation: 42/6=7 Moving to Node #0,0 Current State: 99:[10, 96, 7], Operations: ['42/6=7'] Exploring Operation: 10-7=3, Resulting Numbers: [96, 3] Generated Node #0,0,0: 99:[96, 3] Operation: 10-7=3 Moving to Node #0,0,0 Current State: 99:[96, 3], Operations: ['42/6=7', '10-7=3'] Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 40, 94, 33, 95 ]
74
[ "94-40=54", "33+95=128", "128-54=74" ]
Current State: 74:[40, 94, 33, 95], Operations: [] Exploring Operation: 94-40=54, Resulting Numbers: [33, 95, 54] Generated Node #2: [33, 95, 54] from Operation: 94-40=54 Current State: 74:[33, 95, 54], Operations: ['94-40=54'] Exploring Operation: 33+95=128, Resulting Numbers: [54, 128] Generated Node #3: [54, 128] from Operation: 33+95=128 Current State: 74:[54, 128], Operations: ['94-40=54', '33+95=128'] Exploring Operation: 128-54=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[40, 94, 33, 95], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [40, 33, 1] Generated Node #0,0: 74:[40, 33, 1] Operation: 95-94=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[40, 33, 1], Operations: ['95-94=1'] Exploring Operation: 40+33=73, Resulting Numbers: [1, 73] Generated Node #0,0,0: 74:[1, 73] Operation: 40+33=73 Moving to Node #0,0,0 Current State: 74:[1, 73], Operations: ['95-94=1', '40+33=73'] Exploring Operation: 1+73=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[40, 94, 33, 95], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [40, 33, 1] Generated Node #0,0: 74:[40, 33, 1] Operation: 95-94=1 Moving to Node #0,0 Current State: 74:[40, 33, 1], Operations: ['95-94=1'] Exploring Operation: 40+33=73, Resulting Numbers: [1, 73] Generated Node #0,0,0: 74:[1, 73] Operation: 40+33=73 Moving to Node #0,0,0 Current State: 74:[1, 73], Operations: ['95-94=1', '40+33=73'] Exploring Operation: 1+73=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 4, 77, 8, 56 ]
33
[ "4+77=81", "56-8=48", "81-48=33" ]
Current State: 33:[4, 77, 8, 56], Operations: [] Exploring Operation: 4+77=81, Resulting Numbers: [8, 56, 81] Generated Node #2: [8, 56, 81] from Operation: 4+77=81 Current State: 33:[8, 56, 81], Operations: ['4+77=81'] Exploring Operation: 56-8=48, Resulting Numbers: [81, 48] Generated Node #3: [81, 48] from Operation: 56-8=48 Current State: 33:[81, 48], Operations: ['4+77=81', '56-8=48'] Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 77, 8, 56], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [4, 8, 21] Generated Node #0,0: 33:[4, 8, 21] Operation: 77-56=21 Exploring Operation: 56/8=7, Resulting Numbers: [4, 77, 7] Generated Node #0,1: 33:[4, 77, 7] Operation: 56/8=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[4, 8, 21], Operations: ['77-56=21'] Exploring Operation: 21-8=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 33:[4, 13] Operation: 21-8=13 Exploring Operation: 8+21=29, Resulting Numbers: [4, 29] Generated Node #0,0,1: 33:[4, 29] Operation: 8+21=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[4, 13], Operations: ['77-56=21', '21-8=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[4, 29], Operations: ['77-56=21', '8+21=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[4, 77, 8, 56], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [4, 8, 21] Generated Node #0,0: 33:[4, 8, 21] Operation: 77-56=21 Moving to Node #0,0 Current State: 33:[4, 8, 21], Operations: ['77-56=21'] Exploring Operation: 8+21=29, Resulting Numbers: [4, 29] Generated Node #0,0,1: 33:[4, 29] Operation: 8+21=29 Moving to Node #0,0,1 Current State: 33:[4, 29], Operations: ['77-56=21', '8+21=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 66, 91, 53, 99 ]
92
[ "66-53=13", "91/13=7", "99-7=92" ]
Current State: 92:[66, 91, 53, 99], Operations: [] Exploring Operation: 66-53=13, Resulting Numbers: [91, 99, 13] Generated Node #2: [91, 99, 13] from Operation: 66-53=13 Current State: 92:[91, 99, 13], Operations: ['66-53=13'] Exploring Operation: 91/13=7, Resulting Numbers: [99, 7] Generated Node #3: [99, 7] from Operation: 91/13=7 Current State: 92:[99, 7], Operations: ['66-53=13', '91/13=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[66, 91, 53, 99], Operations: [] Exploring Operation: 91-66=25, Resulting Numbers: [53, 99, 25] Generated Node #0,0: 92:[53, 99, 25] Operation: 91-66=25 Exploring Operation: 99-53=46, Resulting Numbers: [66, 91, 46] Generated Node #0,1: 92:[66, 91, 46] Operation: 99-53=46 Exploring Operation: 66-53=13, Resulting Numbers: [91, 99, 13] Generated Node #0,2: 92:[91, 99, 13] Operation: 66-53=13 Exploring Operation: 99-66=33, Resulting Numbers: [91, 53, 33] Generated Node #0,3: 92:[91, 53, 33] Operation: 99-66=33 Moving to Node #0,0 Current State: 92:[53, 99, 25], Operations: ['91-66=25'] Exploring Operation: 99-53=46, Resulting Numbers: [25, 46] Generated Node #0,0,0: 92:[25, 46] Operation: 99-53=46 Exploring Operation: 99-25=74, Resulting Numbers: [53, 74] Generated Node #0,0,1: 92:[53, 74] Operation: 99-25=74 Exploring Operation: 53+25=78, Resulting Numbers: [99, 78] Generated Node #0,0,2: 92:[99, 78] Operation: 53+25=78 Exploring Operation: 53-25=28, Resulting Numbers: [99, 28] Generated Node #0,0,3: 92:[99, 28] Operation: 53-25=28 Moving to Node #0,2 Current State: 92:[91, 99, 13], Operations: ['66-53=13'] Exploring Operation: 99-13=86, Resulting Numbers: [91, 86] Generated Node #0,2,0: 92:[91, 86] Operation: 99-13=86 Exploring Operation: 91+13=104, Resulting Numbers: [99, 104] Generated Node #0,2,1: 92:[99, 104] Operation: 91+13=104 Exploring Operation: 91/13=7, Resulting Numbers: [99, 7] Generated Node #0,2,2: 92:[99, 7] Operation: 91/13=7 Exploring Operation: 99-91=8, Resulting Numbers: [13, 8] Generated Node #0,2,3: 92:[13, 8] Operation: 99-91=8 Moving to Node #0,3 Current State: 92:[91, 53, 33], Operations: ['99-66=33'] Exploring Operation: 91-33=58, Resulting Numbers: [53, 58] Generated Node #0,3,0: 92:[53, 58] Operation: 91-33=58 Exploring Operation: 53-33=20, Resulting Numbers: [91, 20] Generated Node #0,3,1: 92:[91, 20] Operation: 53-33=20 Exploring Operation: 53+33=86, Resulting Numbers: [91, 86] Generated Node #0,3,2: 92:[91, 86] Operation: 53+33=86 Exploring Operation: 91-53=38, Resulting Numbers: [33, 38] Generated Node #0,3,3: 92:[33, 38] Operation: 91-53=38 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[91, 20], Operations: ['99-66=33', '53-33=20'] Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,92 unequal: No Solution Exploring Operation: 91*20=1820, Resulting Numbers: [1820] 1820,92 unequal: No Solution Exploring Operation: 91+20=111, Resulting Numbers: [111] 111,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[91, 86], Operations: ['99-66=33', '53+33=86'] Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,92 unequal: No Solution Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[33, 38], Operations: ['99-66=33', '91-53=38'] Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,92 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[53, 58], Operations: ['99-66=33', '91-33=58'] Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,92 unequal: No Solution Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[66, 91, 46], Operations: ['99-53=46'] Exploring Operation: 91-66=25, Resulting Numbers: [46, 25] Generated Node #0,1,0: 92:[46, 25] Operation: 91-66=25 Exploring Operation: 66-46=20, Resulting Numbers: [91, 20] Generated Node #0,1,1: 92:[91, 20] Operation: 66-46=20 Exploring Operation: 91-46=45, Resulting Numbers: [66, 45] Generated Node #0,1,2: 92:[66, 45] Operation: 91-46=45 Exploring Operation: 66+46=112, Resulting Numbers: [91, 112] Generated Node #0,1,3: 92:[91, 112] Operation: 66+46=112 Moving to Node #0,0,0 Current State: 92:[25, 46], Operations: ['91-66=25', '99-53=46'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,92 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[46, 25], Operations: ['99-53=46', '91-66=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,92 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[91, 20], Operations: ['99-53=46', '66-46=20'] Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,92 unequal: No Solution Exploring Operation: 91*20=1820, Resulting Numbers: [1820] 1820,92 unequal: No Solution Exploring Operation: 91+20=111, Resulting Numbers: [111] 111,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[91, 86], Operations: ['66-53=13', '99-13=86'] Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,92 unequal: No Solution Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[99, 7], Operations: ['66-53=13', '91/13=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[66, 91, 53, 99], Operations: [] Exploring Operation: 66-53=13, Resulting Numbers: [91, 99, 13] Generated Node #0,2: 92:[91, 99, 13] Operation: 66-53=13 Moving to Node #0,2 Current State: 92:[91, 99, 13], Operations: ['66-53=13'] Exploring Operation: 91/13=7, Resulting Numbers: [99, 7] Generated Node #0,2,2: 92:[99, 7] Operation: 91/13=7 Moving to Node #0,2,2 Current State: 92:[99, 7], Operations: ['66-53=13', '91/13=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.957465
hs_4
sum_heuristic
[ 94, 94, 4, 52 ]
55
[ "94/94=1", "4+52=56", "56-1=55" ]
Current State: 55:[94, 94, 4, 52], Operations: [] Exploring Operation: 94/94=1, Resulting Numbers: [4, 52, 1] Generated Node #2: [4, 52, 1] from Operation: 94/94=1 Current State: 55:[4, 52, 1], Operations: ['94/94=1'] Exploring Operation: 4+52=56, Resulting Numbers: [1, 56] Generated Node #3: [1, 56] from Operation: 4+52=56 Current State: 55:[1, 56], Operations: ['94/94=1', '4+52=56'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[94, 94, 4, 52], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [94, 4, 42] Generated Node #0,0: 55:[94, 4, 42] Operation: 94-52=42 Exploring Operation: 94/94=1, Resulting Numbers: [4, 52, 1] Generated Node #0,1: 55:[4, 52, 1] Operation: 94/94=1 Exploring Operation: 94-94=0, Resulting Numbers: [4, 52, 0] Generated Node #0,2: 55:[4, 52, 0] Operation: 94-94=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[4, 52, 1], Operations: ['94/94=1'] Exploring Operation: 4+1=5, Resulting Numbers: [52, 5] Generated Node #0,1,0: 55:[52, 5] Operation: 4+1=5 Exploring Operation: 4*1=4, Resulting Numbers: [52, 4] Generated Node #0,1,1: 55:[52, 4] Operation: 4*1=4 Exploring Operation: 52+1=53, Resulting Numbers: [4, 53] Generated Node #0,1,2: 55:[4, 53] Operation: 52+1=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[52, 5], Operations: ['94/94=1', '4+1=5'] Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,55 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,55 unequal: No Solution No 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: 55:[4, 53], Operations: ['94/94=1', '52+1=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,55 unequal: No Solution No 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: 55:[52, 4], Operations: ['94/94=1', '4*1=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,55 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: 55:[4, 52, 0], Operations: ['94-94=0'] Exploring Operation: 52+0=52, Resulting Numbers: [4, 52] Generated Node #0,2,0: 55:[4, 52] Operation: 52+0=52 Exploring Operation: 4+0=4, Resulting Numbers: [52, 4] Generated Node #0,2,1: 55:[52, 4] Operation: 4+0=4 Exploring Operation: 4-0=4, Resulting Numbers: [52, 4] Generated Node #0,2,2: 55:[52, 4] Operation: 4-0=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[4, 52], Operations: ['94-94=0', '52+0=52'] Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution No 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: 55:[52, 4], Operations: ['94-94=0', '4+0=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution No 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: 55:[52, 4], Operations: ['94-94=0', '4-0=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,55 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: 55:[94, 4, 42], Operations: ['94-52=42'] Exploring Operation: 4+42=46, Resulting Numbers: [94, 46] Generated Node #0,0,0: 55:[94, 46] Operation: 4+42=46 Exploring Operation: 94-42=52, Resulting Numbers: [4, 52] Generated Node #0,0,1: 55:[4, 52] Operation: 94-42=52 Exploring Operation: 94-4=90, Resulting Numbers: [42, 90] Generated Node #0,0,2: 55:[42, 90] Operation: 94-4=90 Moving to Node #0,0,1 Current State: 55:[4, 52], Operations: ['94-52=42', '94-42=52'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[94, 46], Operations: ['94-52=42', '4+42=46'] Exploring Operation: 94*46=4324, Resulting Numbers: [4324] 4324,55 unequal: No Solution Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 94+46=140, Resulting Numbers: [140] 140,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[42, 90], Operations: ['94-52=42', '94-4=90'] Exploring Operation: 42*90=3780, Resulting Numbers: [3780] 3780,55 unequal: No Solution Exploring Operation: 42+90=132, Resulting Numbers: [132] 132,55 unequal: No Solution Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,55 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
[ 35, 71, 58, 22 ]
71
[ "58-35=23", "23-22=1", "71*1=71" ]
Current State: 71:[35, 71, 58, 22], Operations: [] Exploring Operation: 58-35=23, Resulting Numbers: [71, 22, 23] Generated Node #2: [71, 22, 23] from Operation: 58-35=23 Current State: 71:[71, 22, 23], Operations: ['58-35=23'] Exploring Operation: 23-22=1, Resulting Numbers: [71, 1] Generated Node #3: [71, 1] from Operation: 23-22=1 Current State: 71:[71, 1], Operations: ['58-35=23', '23-22=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[35, 71, 58, 22], Operations: [] Exploring Operation: 35+22=57, Resulting Numbers: [71, 58, 57] Generated Node #0,0: 71:[71, 58, 57] Operation: 35+22=57 Exploring Operation: 58+22=80, Resulting Numbers: [35, 71, 80] Generated Node #0,1: 71:[35, 71, 80] Operation: 58+22=80 Exploring Operation: 35+58=93, Resulting Numbers: [71, 22, 93] Generated Node #0,2: 71:[71, 22, 93] Operation: 35+58=93 Exploring Operation: 35-22=13, Resulting Numbers: [71, 58, 13] Generated Node #0,3: 71:[71, 58, 13] Operation: 35-22=13 Moving to Node #0,0 Current State: 71:[71, 58, 57], Operations: ['35+22=57'] Exploring Operation: 71+57=128, Resulting Numbers: [58, 128] Generated Node #0,0,0: 71:[58, 128] Operation: 71+57=128 Exploring Operation: 58+57=115, Resulting Numbers: [71, 115] Generated Node #0,0,1: 71:[71, 115] Operation: 58+57=115 Exploring Operation: 71-57=14, Resulting Numbers: [58, 14] Generated Node #0,0,2: 71:[58, 14] Operation: 71-57=14 Exploring Operation: 58-57=1, Resulting Numbers: [71, 1] Generated Node #0,0,3: 71:[71, 1] Operation: 58-57=1 Moving to Node #0,1 Current State: 71:[35, 71, 80], Operations: ['58+22=80'] Exploring Operation: 80-35=45, Resulting Numbers: [71, 45] Generated Node #0,1,0: 71:[71, 45] Operation: 80-35=45 Exploring Operation: 35+71=106, Resulting Numbers: [80, 106] Generated Node #0,1,1: 71:[80, 106] Operation: 35+71=106 Exploring Operation: 71-35=36, Resulting Numbers: [80, 36] Generated Node #0,1,2: 71:[80, 36] Operation: 71-35=36 Exploring Operation: 35+80=115, Resulting Numbers: [71, 115] Generated Node #0,1,3: 71:[71, 115] Operation: 35+80=115 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[71, 45], Operations: ['58+22=80', '80-35=45'] Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,71 unequal: No Solution Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[80, 106], Operations: ['58+22=80', '35+71=106'] Exploring Operation: 80+106=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 106-80=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 80*106=8480, Resulting Numbers: [8480] 8480,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[80, 36], Operations: ['58+22=80', '71-35=36'] Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[71, 115], Operations: ['58+22=80', '35+80=115'] Exploring Operation: 71*115=8165, Resulting Numbers: [8165] 8165,71 unequal: No Solution Exploring Operation: 115-71=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 71+115=186, Resulting Numbers: [186] 186,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 71:[71, 58, 13], Operations: ['35-22=13'] Exploring Operation: 58-13=45, Resulting Numbers: [71, 45] Generated Node #0,3,0: 71:[71, 45] Operation: 58-13=45 Exploring Operation: 71-13=58, Resulting Numbers: [58, 58] Generated Node #0,3,1: 71:[58, 58] Operation: 71-13=58 Exploring Operation: 58+13=71, Resulting Numbers: [71, 71] Generated Node #0,3,2: 71:[71, 71] Operation: 58+13=71 Exploring Operation: 71+13=84, Resulting Numbers: [58, 84] Generated Node #0,3,3: 71:[58, 84] Operation: 71+13=84 Moving to Node #0,2 Current State: 71:[71, 22, 93], Operations: ['35+58=93'] Exploring Operation: 93-22=71, Resulting Numbers: [71, 71] Generated Node #0,2,0: 71:[71, 71] Operation: 93-22=71 Exploring Operation: 71-22=49, Resulting Numbers: [93, 49] Generated Node #0,2,1: 71:[93, 49] Operation: 71-22=49 Exploring Operation: 71+22=93, Resulting Numbers: [93, 93] Generated Node #0,2,2: 71:[93, 93] Operation: 71+22=93 Exploring Operation: 22+93=115, Resulting Numbers: [71, 115] Generated Node #0,2,3: 71:[71, 115] Operation: 22+93=115 Moving to Node #0,3,2 Current State: 71:[71, 71], Operations: ['35-22=13', '58+13=71'] Exploring Operation: 71+71=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 71/71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 71-71=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 71*71=5041, Resulting Numbers: [5041] 5041,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[71, 71], Operations: ['35+58=93', '93-22=71'] Exploring Operation: 71/71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 71+71=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 71-71=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 71*71=5041, Resulting Numbers: [5041] 5041,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[71, 45], Operations: ['35-22=13', '58-13=45'] Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,71 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[58, 58], Operations: ['35-22=13', '71-13=58'] Exploring Operation: 58+58=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 58/58=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 58*58=3364, Resulting Numbers: [3364] 3364,71 unequal: No Solution Exploring Operation: 58-58=0, Resulting Numbers: [0] 0,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[58, 84], Operations: ['35-22=13', '71+13=84'] Exploring Operation: 58+84=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 58*84=4872, Resulting Numbers: [4872] 4872,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[93, 93], Operations: ['35+58=93', '71+22=93'] Exploring Operation: 93/93=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 93-93=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 93*93=8649, Resulting Numbers: [8649] 8649,71 unequal: No Solution Exploring Operation: 93+93=186, Resulting Numbers: [186] 186,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[71, 115], Operations: ['35+58=93', '22+93=115'] Exploring Operation: 71*115=8165, Resulting Numbers: [8165] 8165,71 unequal: No Solution Exploring Operation: 115-71=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 71+115=186, Resulting Numbers: [186] 186,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[93, 49], Operations: ['35+58=93', '71-22=49'] Exploring Operation: 93-49=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 93+49=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 93*49=4557, Resulting Numbers: [4557] 4557,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[71, 115], Operations: ['35+22=57', '58+57=115'] Exploring Operation: 115-71=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 71*115=8165, Resulting Numbers: [8165] 8165,71 unequal: No Solution Exploring Operation: 71+115=186, Resulting Numbers: [186] 186,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[71, 1], Operations: ['35+22=57', '58-57=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[35, 71, 58, 22], Operations: [] Exploring Operation: 35+22=57, Resulting Numbers: [71, 58, 57] Generated Node #0,0: 71:[71, 58, 57] Operation: 35+22=57 Moving to Node #0,0 Current State: 71:[71, 58, 57], Operations: ['35+22=57'] Exploring Operation: 58-57=1, Resulting Numbers: [71, 1] Generated Node #0,0,3: 71:[71, 1] Operation: 58-57=1 Moving to Node #0,0,3 Current State: 71:[71, 1], Operations: ['35+22=57', '58-57=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.940972
hs_4
mult_heuristic
[ 96, 2, 87, 45 ]
34
[ "96+2=98", "87+45=132", "132-98=34" ]
Current State: 34:[96, 2, 87, 45], Operations: [] Exploring Operation: 96+2=98, Resulting Numbers: [87, 45, 98] Generated Node #2: [87, 45, 98] from Operation: 96+2=98 Current State: 34:[87, 45, 98], Operations: ['96+2=98'] Exploring Operation: 87+45=132, Resulting Numbers: [98, 132] Generated Node #3: [98, 132] from Operation: 87+45=132 Current State: 34:[98, 132], Operations: ['96+2=98', '87+45=132'] Exploring Operation: 132-98=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[96, 2, 87, 45], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [87, 45, 48] Generated Node #0,0: 34:[87, 45, 48] Operation: 96/2=48 Exploring Operation: 96-87=9, Resulting Numbers: [2, 45, 9] Generated Node #0,1: 34:[2, 45, 9] Operation: 96-87=9 Exploring Operation: 96-2=94, Resulting Numbers: [87, 45, 94] Generated Node #0,2: 34:[87, 45, 94] Operation: 96-2=94 Exploring Operation: 96-45=51, Resulting Numbers: [2, 87, 51] Generated Node #0,3: 34:[2, 87, 51] Operation: 96-45=51 Exploring Operation: 87-45=42, Resulting Numbers: [96, 2, 42] Generated Node #0,4: 34:[96, 2, 42] Operation: 87-45=42 Moving to Node #0,1 Current State: 34:[2, 45, 9], Operations: ['96-87=9'] Exploring Operation: 45-2=43, Resulting Numbers: [9, 43] Generated Node #0,1,0: 34:[9, 43] Operation: 45-2=43 Exploring Operation: 9-2=7, Resulting Numbers: [45, 7] Generated Node #0,1,1: 34:[45, 7] Operation: 9-2=7 Exploring Operation: 45/9=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 34:[2, 5] Operation: 45/9=5 Exploring Operation: 45-9=36, Resulting Numbers: [2, 36] Generated Node #0,1,3: 34:[2, 36] Operation: 45-9=36 Exploring Operation: 2*9=18, Resulting Numbers: [45, 18] Generated Node #0,1,4: 34:[45, 18] Operation: 2*9=18 Moving to Node #0,4 Current State: 34:[96, 2, 42], Operations: ['87-45=42'] Exploring Operation: 42/2=21, Resulting Numbers: [96, 21] Generated Node #0,4,0: 34:[96, 21] Operation: 42/2=21 Exploring Operation: 96/2=48, Resulting Numbers: [42, 48] Generated Node #0,4,1: 34:[42, 48] Operation: 96/2=48 Exploring Operation: 96-42=54, Resulting Numbers: [2, 54] Generated Node #0,4,2: 34:[2, 54] Operation: 96-42=54 Exploring Operation: 96-2=94, Resulting Numbers: [42, 94] Generated Node #0,4,3: 34:[42, 94] Operation: 96-2=94 Exploring Operation: 42-2=40, Resulting Numbers: [96, 40] Generated Node #0,4,4: 34:[96, 40] Operation: 42-2=40 Moving to Node #0,3 Current State: 34:[2, 87, 51], Operations: ['96-45=51'] Exploring Operation: 2+87=89, Resulting Numbers: [51, 89] Generated Node #0,3,0: 34:[51, 89] Operation: 2+87=89 Exploring Operation: 2+51=53, Resulting Numbers: [87, 53] Generated Node #0,3,1: 34:[87, 53] Operation: 2+51=53 Exploring Operation: 51-2=49, Resulting Numbers: [87, 49] Generated Node #0,3,2: 34:[87, 49] Operation: 51-2=49 Exploring Operation: 87-2=85, Resulting Numbers: [51, 85] Generated Node #0,3,3: 34:[51, 85] Operation: 87-2=85 Exploring Operation: 87-51=36, Resulting Numbers: [2, 36] Generated Node #0,3,4: 34:[2, 36] Operation: 87-51=36 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[2, 36], Operations: ['96-45=51', '87-51=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[96, 2, 87, 45], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [2, 87, 51] Generated Node #0,3: 34:[2, 87, 51] Operation: 96-45=51 Moving to Node #0,3 Current State: 34:[2, 87, 51], Operations: ['96-45=51'] Exploring Operation: 87-51=36, Resulting Numbers: [2, 36] Generated Node #0,3,4: 34:[2, 36] Operation: 87-51=36 Moving to Node #0,3,4 Current State: 34:[2, 36], Operations: ['96-45=51', '87-51=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 80, 51, 44, 70 ]
85
[ "80-51=29", "44+70=114", "114-29=85" ]
Current State: 85:[80, 51, 44, 70], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [44, 70, 29] Generated Node #2: [44, 70, 29] from Operation: 80-51=29 Current State: 85:[44, 70, 29], Operations: ['80-51=29'] Exploring Operation: 44+70=114, Resulting Numbers: [29, 114] Generated Node #3: [29, 114] from Operation: 44+70=114 Current State: 85:[29, 114], Operations: ['80-51=29', '44+70=114'] Exploring Operation: 114-29=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[80, 51, 44, 70], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [80, 44, 19] Generated Node #0,0: 85:[80, 44, 19] Operation: 70-51=19 Exploring Operation: 51+44=95, Resulting Numbers: [80, 70, 95] Generated Node #0,1: 85:[80, 70, 95] Operation: 51+44=95 Exploring Operation: 51-44=7, Resulting Numbers: [80, 70, 7] Generated Node #0,2: 85:[80, 70, 7] Operation: 51-44=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[80, 70, 7], Operations: ['51-44=7'] Exploring Operation: 70/7=10, Resulting Numbers: [80, 10] Generated Node #0,2,0: 85:[80, 10] Operation: 70/7=10 Exploring Operation: 80-70=10, Resulting Numbers: [7, 10] Generated Node #0,2,1: 85:[7, 10] Operation: 80-70=10 Exploring Operation: 70+7=77, Resulting Numbers: [80, 77] Generated Node #0,2,2: 85:[80, 77] Operation: 70+7=77 Moving to Node #0,2,1 Current State: 85:[7, 10], Operations: ['51-44=7', '80-70=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[80, 10], Operations: ['51-44=7', '70/7=10'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[80, 77], Operations: ['51-44=7', '70+7=77'] Exploring Operation: 80-77=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 80+77=157, Resulting Numbers: [157] 157,85 unequal: No Solution Exploring Operation: 80*77=6160, Resulting Numbers: [6160] 6160,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[80, 70, 95], Operations: ['51+44=95'] Exploring Operation: 95-80=15, Resulting Numbers: [70, 15] Generated Node #0,1,0: 85:[70, 15] Operation: 95-80=15 Exploring Operation: 95-70=25, Resulting Numbers: [80, 25] Generated Node #0,1,1: 85:[80, 25] Operation: 95-70=25 Exploring Operation: 80-70=10, Resulting Numbers: [95, 10] Generated Node #0,1,2: 85:[95, 10] Operation: 80-70=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[80, 25], Operations: ['51+44=95', '95-70=25'] Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,85 unequal: No Solution No 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: 85:[95, 10], Operations: ['51+44=95', '80-70=10'] Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[80, 51, 44, 70], Operations: [] Exploring Operation: 51+44=95, Resulting Numbers: [80, 70, 95] Generated Node #0,1: 85:[80, 70, 95] Operation: 51+44=95 Moving to Node #0,1 Current State: 85:[80, 70, 95], Operations: ['51+44=95'] Exploring Operation: 80-70=10, Resulting Numbers: [95, 10] Generated Node #0,1,2: 85:[95, 10] Operation: 80-70=10 Moving to Node #0,1,2 Current State: 85:[95, 10], Operations: ['51+44=95', '80-70=10'] Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 51, 2, 89, 7 ]
90
[ "89-51=38", "7+38=45", "2*45=90" ]
Current State: 90:[51, 2, 89, 7], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [2, 7, 38] Generated Node #2: [2, 7, 38] from Operation: 89-51=38 Current State: 90:[2, 7, 38], Operations: ['89-51=38'] Exploring Operation: 7+38=45, Resulting Numbers: [2, 45] Generated Node #3: [2, 45] from Operation: 7+38=45 Current State: 90:[2, 45], Operations: ['89-51=38', '7+38=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[51, 2, 89, 7], Operations: [] Exploring Operation: 7-2=5, Resulting Numbers: [51, 89, 5] Generated Node #0,0: 90:[51, 89, 5] Operation: 7-2=5 Exploring Operation: 2+7=9, Resulting Numbers: [51, 89, 9] Generated Node #0,1: 90:[51, 89, 9] Operation: 2+7=9 Exploring Operation: 51-7=44, Resulting Numbers: [2, 89, 44] Generated Node #0,2: 90:[2, 89, 44] Operation: 51-7=44 Exploring Operation: 51-2=49, Resulting Numbers: [89, 7, 49] Generated Node #0,3: 90:[89, 7, 49] Operation: 51-2=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[2, 89, 44], Operations: ['51-7=44'] Exploring Operation: 2+44=46, Resulting Numbers: [89, 46] Generated Node #0,2,0: 90:[89, 46] Operation: 2+44=46 Exploring Operation: 89-44=45, Resulting Numbers: [2, 45] Generated Node #0,2,1: 90:[2, 45] Operation: 89-44=45 Exploring Operation: 2*44=88, Resulting Numbers: [89, 88] Generated Node #0,2,2: 90:[89, 88] Operation: 2*44=88 Exploring Operation: 2+89=91, Resulting Numbers: [44, 91] Generated Node #0,2,3: 90:[44, 91] Operation: 2+89=91 Moving to Node #0,2,1 Current State: 90:[2, 45], Operations: ['51-7=44', '89-44=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[51, 2, 89, 7], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [2, 89, 44] Generated Node #0,2: 90:[2, 89, 44] Operation: 51-7=44 Moving to Node #0,2 Current State: 90:[2, 89, 44], Operations: ['51-7=44'] Exploring Operation: 89-44=45, Resulting Numbers: [2, 45] Generated Node #0,2,1: 90:[2, 45] Operation: 89-44=45 Moving to Node #0,2,1 Current State: 90:[2, 45], Operations: ['51-7=44', '89-44=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 51, 2, 28, 81 ]
35
[ "51-28=23", "2*23=46", "81-46=35" ]
Current State: 35:[51, 2, 28, 81], Operations: [] Exploring Operation: 51-28=23, Resulting Numbers: [2, 81, 23] Generated Node #2: [2, 81, 23] from Operation: 51-28=23 Current State: 35:[2, 81, 23], Operations: ['51-28=23'] Exploring Operation: 2*23=46, Resulting Numbers: [81, 46] Generated Node #3: [81, 46] from Operation: 2*23=46 Current State: 35:[81, 46], Operations: ['51-28=23', '2*23=46'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[51, 2, 28, 81], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [2, 28, 30] Generated Node #0,0: 35:[2, 28, 30] Operation: 81-51=30 Exploring Operation: 51-28=23, Resulting Numbers: [2, 81, 23] Generated Node #0,1: 35:[2, 81, 23] Operation: 51-28=23 Exploring Operation: 51-2=49, Resulting Numbers: [28, 81, 49] Generated Node #0,2: 35:[28, 81, 49] Operation: 51-2=49 Exploring Operation: 81-28=53, Resulting Numbers: [51, 2, 53] Generated Node #0,3: 35:[51, 2, 53] Operation: 81-28=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[2, 28, 30], Operations: ['81-51=30'] Exploring Operation: 2+30=32, Resulting Numbers: [28, 32] Generated Node #0,0,0: 35:[28, 32] Operation: 2+30=32 Exploring Operation: 2+28=30, Resulting Numbers: [30, 30] Generated Node #0,0,1: 35:[30, 30] Operation: 2+28=30 Exploring Operation: 28/2=14, Resulting Numbers: [30, 14] Generated Node #0,0,2: 35:[30, 14] Operation: 28/2=14 Exploring Operation: 30-28=2, Resulting Numbers: [2, 2] Generated Node #0,0,3: 35:[2, 2] Operation: 30-28=2 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 35:[2, 2], Operations: ['81-51=30', '30-28=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[28, 32], Operations: ['81-51=30', '2+30=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,35 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[30, 30], Operations: ['81-51=30', '2+28=30'] Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 30+30=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 30*30=900, Resulting Numbers: [900] 900,35 unequal: No Solution Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[30, 14], Operations: ['81-51=30', '28/2=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,35 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[51, 2, 53], Operations: ['81-28=53'] Exploring Operation: 51-2=49, Resulting Numbers: [53, 49] Generated Node #0,3,0: 35:[53, 49] Operation: 51-2=49 Exploring Operation: 53-2=51, Resulting Numbers: [51, 51] Generated Node #0,3,1: 35:[51, 51] Operation: 53-2=51 Exploring Operation: 51+2=53, Resulting Numbers: [53, 53] Generated Node #0,3,2: 35:[53, 53] Operation: 51+2=53 Exploring Operation: 53-51=2, Resulting Numbers: [2, 2] Generated Node #0,3,3: 35:[2, 2] Operation: 53-51=2 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 35:[2, 2], Operations: ['81-28=53', '53-51=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 35:[53, 49], Operations: ['81-28=53', '51-2=49'] Exploring Operation: 53+49=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 53*49=2597, Resulting Numbers: [2597] 2597,35 unequal: No Solution Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 35:[51, 51], Operations: ['81-28=53', '53-2=51'] Exploring Operation: 51+51=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 51/51=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 51*51=2601, Resulting Numbers: [2601] 2601,35 unequal: No Solution Exploring Operation: 51-51=0, Resulting Numbers: [0] 0,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 35:[53, 53], Operations: ['81-28=53', '51+2=53'] Exploring Operation: 53+53=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 53-53=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 53/53=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 53*53=2809, Resulting Numbers: [2809] 2809,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[2, 81, 23], Operations: ['51-28=23'] Exploring Operation: 81-23=58, Resulting Numbers: [2, 58] Generated Node #0,1,0: 35:[2, 58] Operation: 81-23=58 Exploring Operation: 2+23=25, Resulting Numbers: [81, 25] Generated Node #0,1,1: 35:[81, 25] Operation: 2+23=25 Exploring Operation: 81-2=79, Resulting Numbers: [23, 79] Generated Node #0,1,2: 35:[23, 79] Operation: 81-2=79 Exploring Operation: 2*23=46, Resulting Numbers: [81, 46] Generated Node #0,1,3: 35:[81, 46] Operation: 2*23=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[2, 58], Operations: ['51-28=23', '81-23=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[81, 25], Operations: ['51-28=23', '2+23=25'] Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[23, 79], Operations: ['51-28=23', '81-2=79'] Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 35:[81, 46], Operations: ['51-28=23', '2*23=46'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[51, 2, 28, 81], Operations: [] Exploring Operation: 51-28=23, Resulting Numbers: [2, 81, 23] Generated Node #0,1: 35:[2, 81, 23] Operation: 51-28=23 Moving to Node #0,1 Current State: 35:[2, 81, 23], Operations: ['51-28=23'] Exploring Operation: 2*23=46, Resulting Numbers: [81, 46] Generated Node #0,1,3: 35:[81, 46] Operation: 2*23=46 Moving to Node #0,1,3 Current State: 35:[81, 46], Operations: ['51-28=23', '2*23=46'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_4
sum_heuristic
[ 29, 5, 61, 26 ]
11
[ "29-5=24", "61-26=35", "35-24=11" ]
Current State: 11:[29, 5, 61, 26], Operations: [] Exploring Operation: 29-5=24, Resulting Numbers: [61, 26, 24] Generated Node #2: [61, 26, 24] from Operation: 29-5=24 Current State: 11:[61, 26, 24], Operations: ['29-5=24'] Exploring Operation: 61-26=35, Resulting Numbers: [24, 35] Generated Node #3: [24, 35] from Operation: 61-26=35 Current State: 11:[24, 35], Operations: ['29-5=24', '61-26=35'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[29, 5, 61, 26], Operations: [] Exploring Operation: 61-29=32, Resulting Numbers: [5, 26, 32] Generated Node #0,0: 11:[5, 26, 32] Operation: 61-29=32 Exploring Operation: 61-26=35, Resulting Numbers: [29, 5, 35] Generated Node #0,1: 11:[29, 5, 35] Operation: 61-26=35 Exploring Operation: 29-5=24, Resulting Numbers: [61, 26, 24] Generated Node #0,2: 11:[61, 26, 24] Operation: 29-5=24 Exploring Operation: 29-26=3, Resulting Numbers: [5, 61, 3] Generated Node #0,3: 11:[5, 61, 3] Operation: 29-26=3 Exploring Operation: 61-5=56, Resulting Numbers: [29, 26, 56] Generated Node #0,4: 11:[29, 26, 56] Operation: 61-5=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[5, 26, 32], Operations: ['61-29=32'] Exploring Operation: 32-26=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 11:[5, 6] Operation: 32-26=6 Exploring Operation: 26-5=21, Resulting Numbers: [32, 21] Generated Node #0,0,1: 11:[32, 21] Operation: 26-5=21 Exploring Operation: 32-5=27, Resulting Numbers: [26, 27] Generated Node #0,0,2: 11:[26, 27] Operation: 32-5=27 Exploring Operation: 5+26=31, Resulting Numbers: [32, 31] Generated Node #0,0,3: 11:[32, 31] Operation: 5+26=31 Exploring Operation: 5+32=37, Resulting Numbers: [26, 37] Generated Node #0,0,4: 11:[26, 37] Operation: 5+32=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[5, 6], Operations: ['61-29=32', '32-26=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[29, 5, 61, 26], Operations: [] Exploring Operation: 61-29=32, Resulting Numbers: [5, 26, 32] Generated Node #0,0: 11:[5, 26, 32] Operation: 61-29=32 Moving to Node #0,0 Current State: 11:[5, 26, 32], Operations: ['61-29=32'] Exploring Operation: 32-26=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 11:[5, 6] Operation: 32-26=6 Moving to Node #0,0,0 Current State: 11:[5, 6], Operations: ['61-29=32', '32-26=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 78, 24, 57, 90 ]
39
[ "78*57=4446", "24+90=114", "4446/114=39" ]
Current State: 39:[78, 24, 57, 90], Operations: [] Exploring Operation: 78*57=4446, Resulting Numbers: [24, 90, 4446] Generated Node #2: [24, 90, 4446] from Operation: 78*57=4446 Current State: 39:[24, 90, 4446], Operations: ['78*57=4446'] Exploring Operation: 24+90=114, Resulting Numbers: [4446, 114] Generated Node #3: [4446, 114] from Operation: 24+90=114 Current State: 39:[4446, 114], Operations: ['78*57=4446', '24+90=114'] Exploring Operation: 4446/114=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[78, 24, 57, 90], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [78, 24, 33] Generated Node #0,0: 39:[78, 24, 33] Operation: 90-57=33 Exploring Operation: 90-78=12, Resulting Numbers: [24, 57, 12] Generated Node #0,1: 39:[24, 57, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[24, 57, 12], Operations: ['90-78=12'] Exploring Operation: 57-12=45, Resulting Numbers: [24, 45] Generated Node #0,1,0: 39:[24, 45] Operation: 57-12=45 Exploring Operation: 57-24=33, Resulting Numbers: [12, 33] Generated Node #0,1,1: 39:[12, 33] Operation: 57-24=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[12, 33], Operations: ['90-78=12', '57-24=33'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[24, 45], Operations: ['90-78=12', '57-12=45'] Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[78, 24, 33], Operations: ['90-57=33'] Exploring Operation: 78-33=45, Resulting Numbers: [24, 45] Generated Node #0,0,0: 39:[24, 45] Operation: 78-33=45 Exploring Operation: 78-24=54, Resulting Numbers: [33, 54] Generated Node #0,0,1: 39:[33, 54] Operation: 78-24=54 Moving to Node #0,0,0 Current State: 39:[24, 45], Operations: ['90-57=33', '78-33=45'] Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[33, 54], Operations: ['90-57=33', '78-24=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 58, 82, 6, 69 ]
51
[ "82-58=24", "6+69=75", "75-24=51" ]
Current State: 51:[58, 82, 6, 69], Operations: [] Exploring Operation: 82-58=24, Resulting Numbers: [6, 69, 24] Generated Node #2: [6, 69, 24] from Operation: 82-58=24 Current State: 51:[6, 69, 24], Operations: ['82-58=24'] Exploring Operation: 6+69=75, Resulting Numbers: [24, 75] Generated Node #3: [24, 75] from Operation: 6+69=75 Current State: 51:[24, 75], Operations: ['82-58=24', '6+69=75'] Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[58, 82, 6, 69], Operations: [] Exploring Operation: 82-69=13, Resulting Numbers: [58, 6, 13] Generated Node #0,0: 51:[58, 6, 13] Operation: 82-69=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[58, 6, 13], Operations: ['82-69=13'] Exploring Operation: 58-6=52, Resulting Numbers: [13, 52] Generated Node #0,0,0: 51:[13, 52] Operation: 58-6=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[13, 52], Operations: ['82-69=13', '58-6=52'] Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,51 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
[ 25, 77, 88, 44 ]
100
[ "25+77=102", "88/44=2", "102-2=100" ]
Current State: 100:[25, 77, 88, 44], Operations: [] Exploring Operation: 25+77=102, Resulting Numbers: [88, 44, 102] Generated Node #2: [88, 44, 102] from Operation: 25+77=102 Current State: 100:[88, 44, 102], Operations: ['25+77=102'] Exploring Operation: 88/44=2, Resulting Numbers: [102, 2] Generated Node #3: [102, 2] from Operation: 88/44=2 Current State: 100:[102, 2], Operations: ['25+77=102', '88/44=2'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[25, 77, 88, 44], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [25, 44, 11] Generated Node #0,0: 100:[25, 44, 11] Operation: 88-77=11 Exploring Operation: 25+77=102, Resulting Numbers: [88, 44, 102] Generated Node #0,1: 100:[88, 44, 102] Operation: 25+77=102 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[25, 44, 11], Operations: ['88-77=11'] Exploring Operation: 44/11=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 44/11=4 Exploring Operation: 44-25=19, Resulting Numbers: [11, 19] Generated Node #0,0,1: 100:[11, 19] Operation: 44-25=19 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['88-77=11', '44/11=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[25, 77, 88, 44], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [25, 44, 11] Generated Node #0,0: 100:[25, 44, 11] Operation: 88-77=11 Moving to Node #0,0 Current State: 100:[25, 44, 11], Operations: ['88-77=11'] Exploring Operation: 44/11=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 44/11=4 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['88-77=11', '44/11=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 68, 96, 16, 42 ]
94
[ "68+16=84", "84/42=2", "96-2=94" ]
Current State: 94:[68, 96, 16, 42], Operations: [] Exploring Operation: 68+16=84, Resulting Numbers: [96, 42, 84] Generated Node #2: [96, 42, 84] from Operation: 68+16=84 Current State: 94:[96, 42, 84], Operations: ['68+16=84'] Exploring Operation: 84/42=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 84/42=2 Current State: 94:[96, 2], Operations: ['68+16=84', '84/42=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[68, 96, 16, 42], Operations: [] Exploring Operation: 68+16=84, Resulting Numbers: [96, 42, 84] Generated Node #0,0: 94:[96, 42, 84] Operation: 68+16=84 Exploring Operation: 68-16=52, Resulting Numbers: [96, 42, 52] Generated Node #0,1: 94:[96, 42, 52] Operation: 68-16=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[96, 42, 52], Operations: ['68-16=52'] Exploring Operation: 42+52=94, Resulting Numbers: [96, 94] Generated Node #0,1,0: 94:[96, 94] Operation: 42+52=94 Exploring Operation: 96-52=44, Resulting Numbers: [42, 44] Generated Node #0,1,1: 94:[42, 44] Operation: 96-52=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[96, 94], Operations: ['68-16=52', '42+52=94'] Exploring Operation: 96-94=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 96+94=190, Resulting Numbers: [190] 190,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[42, 44], Operations: ['68-16=52', '96-52=44'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[96, 42, 84], Operations: ['68+16=84'] Exploring Operation: 84-42=42, Resulting Numbers: [96, 42] Generated Node #0,0,0: 94:[96, 42] Operation: 84-42=42 Exploring Operation: 84/42=2, Resulting Numbers: [96, 2] Generated Node #0,0,1: 94:[96, 2] Operation: 84/42=2 Moving to Node #0,0,1 Current State: 94:[96, 2], Operations: ['68+16=84', '84/42=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[68, 96, 16, 42], Operations: [] Exploring Operation: 68+16=84, Resulting Numbers: [96, 42, 84] Generated Node #0,0: 94:[96, 42, 84] Operation: 68+16=84 Moving to Node #0,0 Current State: 94:[96, 42, 84], Operations: ['68+16=84'] Exploring Operation: 84/42=2, Resulting Numbers: [96, 2] Generated Node #0,0,1: 94:[96, 2] Operation: 84/42=2 Moving to Node #0,0,1 Current State: 94:[96, 2], Operations: ['68+16=84', '84/42=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 64, 26, 31, 76 ]
28
[ "64+76=140", "31-26=5", "140/5=28" ]
Current State: 28:[64, 26, 31, 76], Operations: [] Exploring Operation: 64+76=140, Resulting Numbers: [26, 31, 140] Generated Node #2: [26, 31, 140] from Operation: 64+76=140 Current State: 28:[26, 31, 140], Operations: ['64+76=140'] Exploring Operation: 31-26=5, Resulting Numbers: [140, 5] Generated Node #3: [140, 5] from Operation: 31-26=5 Current State: 28:[140, 5], Operations: ['64+76=140', '31-26=5'] Exploring Operation: 140/5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[64, 26, 31, 76], Operations: [] Exploring Operation: 76-31=45, Resulting Numbers: [64, 26, 45] Generated Node #0,0: 28:[64, 26, 45] Operation: 76-31=45 Exploring Operation: 76-64=12, Resulting Numbers: [26, 31, 12] Generated Node #0,1: 28:[26, 31, 12] Operation: 76-64=12 Exploring Operation: 64-26=38, Resulting Numbers: [31, 76, 38] Generated Node #0,2: 28:[31, 76, 38] Operation: 64-26=38 Exploring Operation: 64-31=33, Resulting Numbers: [26, 76, 33] Generated Node #0,3: 28:[26, 76, 33] Operation: 64-31=33 Moving to Node #0,1 Current State: 28:[26, 31, 12], Operations: ['76-64=12'] Exploring Operation: 31-26=5, Resulting Numbers: [12, 5] Generated Node #0,1,0: 28:[12, 5] Operation: 31-26=5 Exploring Operation: 31-12=19, Resulting Numbers: [26, 19] Generated Node #0,1,1: 28:[26, 19] Operation: 31-12=19 Exploring Operation: 26+12=38, Resulting Numbers: [31, 38] Generated Node #0,1,2: 28:[31, 38] Operation: 26+12=38 Exploring Operation: 26-12=14, Resulting Numbers: [31, 14] Generated Node #0,1,3: 28:[31, 14] Operation: 26-12=14 Moving to Node #0,3 Current State: 28:[26, 76, 33], Operations: ['64-31=33'] Exploring Operation: 76-26=50, Resulting Numbers: [33, 50] Generated Node #0,3,0: 28:[33, 50] Operation: 76-26=50 Exploring Operation: 33-26=7, Resulting Numbers: [76, 7] Generated Node #0,3,1: 28:[76, 7] Operation: 33-26=7 Exploring Operation: 76-33=43, Resulting Numbers: [26, 43] Generated Node #0,3,2: 28:[26, 43] Operation: 76-33=43 Exploring Operation: 26+76=102, Resulting Numbers: [33, 102] Generated Node #0,3,3: 28:[33, 102] Operation: 26+76=102 Moving to Node #0,0 Current State: 28:[64, 26, 45], Operations: ['76-31=45'] Exploring Operation: 64-26=38, Resulting Numbers: [45, 38] Generated Node #0,0,0: 28:[45, 38] Operation: 64-26=38 Exploring Operation: 64+26=90, Resulting Numbers: [45, 90] Generated Node #0,0,1: 28:[45, 90] Operation: 64+26=90 Exploring Operation: 64-45=19, Resulting Numbers: [26, 19] Generated Node #0,0,2: 28:[26, 19] Operation: 64-45=19 Exploring Operation: 45-26=19, Resulting Numbers: [64, 19] Generated Node #0,0,3: 28:[64, 19] Operation: 45-26=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[26, 19], Operations: ['76-31=45', '64-45=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[45, 38], Operations: ['76-31=45', '64-26=38'] Exploring Operation: 45*38=1710, Resulting Numbers: [1710] 1710,28 unequal: No Solution Exploring Operation: 45+38=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 28:[64, 19], Operations: ['76-31=45', '45-26=19'] Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,28 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[45, 90], Operations: ['76-31=45', '64+26=90'] Exploring Operation: 45+90=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 45*90=4050, Resulting Numbers: [4050] 4050,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 28:[31, 76, 38], Operations: ['64-26=38'] Exploring Operation: 76-31=45, Resulting Numbers: [38, 45] Generated Node #0,2,0: 28:[38, 45] Operation: 76-31=45 Exploring Operation: 76/38=2, Resulting Numbers: [31, 2] Generated Node #0,2,1: 28:[31, 2] Operation: 76/38=2 Exploring Operation: 38-31=7, Resulting Numbers: [76, 7] Generated Node #0,2,2: 28:[76, 7] Operation: 38-31=7 Exploring Operation: 76-38=38, Resulting Numbers: [31, 38] Generated Node #0,2,3: 28:[31, 38] Operation: 76-38=38 Moving to Node #0,1,0 Current State: 28:[12, 5], Operations: ['76-64=12', '31-26=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[31, 14], Operations: ['76-64=12', '26-12=14'] Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,28 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[31, 2], Operations: ['64-26=38', '76/38=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,28 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[26, 19], Operations: ['76-64=12', '31-12=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,28 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[31, 38], Operations: ['64-26=38', '76-38=38'] Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,28 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[31, 38], Operations: ['76-64=12', '26+12=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[26, 43], Operations: ['64-31=33', '76-33=43'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[33, 50], Operations: ['64-31=33', '76-26=50'] Exploring Operation: 33*50=1650, Resulting Numbers: [1650] 1650,28 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 33+50=83, Resulting Numbers: [83] 83,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[38, 45], Operations: ['64-26=38', '76-31=45'] Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,28 unequal: No Solution Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[76, 7], Operations: ['64-26=38', '38-31=7'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,28 unequal: No Solution Moving to Node #0,3,1 Current State: 28:[76, 7], Operations: ['64-31=33', '33-26=7'] Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,28 unequal: No Solution Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,28 unequal: No Solution Moving to Node #0,3,3 Current State: 28:[33, 102], Operations: ['64-31=33', '26+76=102'] Exploring Operation: 33+102=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 33*102=3366, Resulting Numbers: [3366] 3366,28 unequal: No Solution Exploring Operation: 102-33=69, Resulting Numbers: [69] 69,28 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 72, 42, 52, 54 ]
32
[ "72-42=30", "54-52=2", "30+2=32" ]
Current State: 32:[72, 42, 52, 54], Operations: [] Exploring Operation: 72-42=30, Resulting Numbers: [52, 54, 30] Generated Node #2: [52, 54, 30] from Operation: 72-42=30 Current State: 32:[52, 54, 30], Operations: ['72-42=30'] Exploring Operation: 54-52=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 54-52=2 Current State: 32:[30, 2], Operations: ['72-42=30', '54-52=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[72, 42, 52, 54], Operations: [] Exploring Operation: 72-54=18, Resulting Numbers: [42, 52, 18] Generated Node #0,0: 32:[42, 52, 18] Operation: 72-54=18 Exploring Operation: 72-52=20, Resulting Numbers: [42, 54, 20] Generated Node #0,1: 32:[42, 54, 20] Operation: 72-52=20 Moving to Node #0,0 Current State: 32:[42, 52, 18], Operations: ['72-54=18'] Exploring Operation: 52-18=34, Resulting Numbers: [42, 34] Generated Node #0,0,0: 32:[42, 34] Operation: 52-18=34 Exploring Operation: 52-42=10, Resulting Numbers: [18, 10] Generated Node #0,0,1: 32:[18, 10] Operation: 52-42=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[18, 10], Operations: ['72-54=18', '52-42=10'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[42, 34], Operations: ['72-54=18', '52-18=34'] Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 32:[42, 54, 20], Operations: ['72-52=20'] Exploring Operation: 54-20=34, Resulting Numbers: [42, 34] Generated Node #0,1,0: 32:[42, 34] Operation: 54-20=34 Exploring Operation: 54-42=12, Resulting Numbers: [20, 12] Generated Node #0,1,1: 32:[20, 12] Operation: 54-42=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[20, 12], Operations: ['72-52=20', '54-42=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[72, 42, 52, 54], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [42, 54, 20] Generated Node #0,1: 32:[42, 54, 20] Operation: 72-52=20 Moving to Node #0,1 Current State: 32:[42, 54, 20], Operations: ['72-52=20'] Exploring Operation: 54-42=12, Resulting Numbers: [20, 12] Generated Node #0,1,1: 32:[20, 12] Operation: 54-42=12 Moving to Node #0,1,1 Current State: 32:[20, 12], Operations: ['72-52=20', '54-42=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 37, 4, 21, 10 ]
18
[ "37+21=58", "4*10=40", "58-40=18" ]
Current State: 18:[37, 4, 21, 10], Operations: [] Exploring Operation: 37+21=58, Resulting Numbers: [4, 10, 58] Generated Node #2: [4, 10, 58] from Operation: 37+21=58 Current State: 18:[4, 10, 58], Operations: ['37+21=58'] Exploring Operation: 4*10=40, Resulting Numbers: [58, 40] Generated Node #3: [58, 40] from Operation: 4*10=40 Current State: 18:[58, 40], Operations: ['37+21=58', '4*10=40'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[37, 4, 21, 10], Operations: [] Exploring Operation: 37-21=16, Resulting Numbers: [4, 10, 16] Generated Node #0,0: 18:[4, 10, 16] Operation: 37-21=16 Exploring Operation: 37-10=27, Resulting Numbers: [4, 21, 27] Generated Node #0,1: 18:[4, 21, 27] Operation: 37-10=27 Exploring Operation: 37-4=33, Resulting Numbers: [21, 10, 33] Generated Node #0,2: 18:[21, 10, 33] Operation: 37-4=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[4, 10, 16], Operations: ['37-21=16'] Exploring Operation: 16-10=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 18:[4, 6] Operation: 16-10=6 Exploring Operation: 16/4=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 18:[10, 4] Operation: 16/4=4 Exploring Operation: 10-4=6, Resulting Numbers: [16, 6] Generated Node #0,0,2: 18:[16, 6] Operation: 10-4=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[4, 6], Operations: ['37-21=16', '16-10=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,18 unequal: No Solution No 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: 18:[10, 4], Operations: ['37-21=16', '16/4=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,18 unequal: No Solution No 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: 18:[16, 6], Operations: ['37-21=16', '10-4=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,18 unequal: No Solution Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[4, 21, 27], Operations: ['37-10=27'] Exploring Operation: 27-21=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 18:[4, 6] Operation: 27-21=6 Exploring Operation: 27-4=23, Resulting Numbers: [21, 23] Generated Node #0,1,1: 18:[21, 23] Operation: 27-4=23 Exploring Operation: 21-4=17, Resulting Numbers: [27, 17] Generated Node #0,1,2: 18:[27, 17] Operation: 21-4=17 Moving to Node #0,1,0 Current State: 18:[4, 6], Operations: ['37-10=27', '27-21=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[21, 23], Operations: ['37-10=27', '27-4=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[27, 17], Operations: ['37-10=27', '21-4=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,18 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,18 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 #0,2 Current State: 18:[21, 10, 33], Operations: ['37-4=33'] Exploring Operation: 33-21=12, Resulting Numbers: [10, 12] Generated Node #0,2,0: 18:[10, 12] Operation: 33-21=12 Exploring Operation: 21-10=11, Resulting Numbers: [33, 11] Generated Node #0,2,1: 18:[33, 11] Operation: 21-10=11 Exploring Operation: 33-10=23, Resulting Numbers: [21, 23] Generated Node #0,2,2: 18:[21, 23] Operation: 33-10=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[10, 12], Operations: ['37-4=33', '33-21=12'] Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,18 unequal: No Solution No 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: 18:[21, 23], Operations: ['37-4=33', '33-10=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,18 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,18 unequal: No Solution No 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: 18:[33, 11], Operations: ['37-4=33', '21-10=11'] Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 64, 48, 96, 18 ]
26
[ "64*18=1152", "96+1152=1248", "1248/48=26" ]
Current State: 26:[64, 48, 96, 18], Operations: [] Exploring Operation: 64*18=1152, Resulting Numbers: [48, 96, 1152] Generated Node #2: [48, 96, 1152] from Operation: 64*18=1152 Current State: 26:[48, 96, 1152], Operations: ['64*18=1152'] Exploring Operation: 96+1152=1248, Resulting Numbers: [48, 1248] Generated Node #3: [48, 1248] from Operation: 96+1152=1248 Current State: 26:[48, 1248], Operations: ['64*18=1152', '96+1152=1248'] Exploring Operation: 1248/48=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[64, 48, 96, 18], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [64, 18, 2] Generated Node #0,0: 26:[64, 18, 2] Operation: 96/48=2 Exploring Operation: 64-48=16, Resulting Numbers: [96, 18, 16] Generated Node #0,1: 26:[96, 18, 16] Operation: 64-48=16 Exploring Operation: 96-48=48, Resulting Numbers: [64, 18, 48] Generated Node #0,2: 26:[64, 18, 48] Operation: 96-48=48 Exploring Operation: 96-64=32, Resulting Numbers: [48, 18, 32] Generated Node #0,3: 26:[48, 18, 32] Operation: 96-64=32 Moving to Node #0,3 Current State: 26:[48, 18, 32], Operations: ['96-64=32'] Exploring Operation: 48-18=30, Resulting Numbers: [32, 30] Generated Node #0,3,0: 26:[32, 30] Operation: 48-18=30 Exploring Operation: 48-32=16, Resulting Numbers: [18, 16] Generated Node #0,3,1: 26:[18, 16] Operation: 48-32=16 Exploring Operation: 32-18=14, Resulting Numbers: [48, 14] Generated Node #0,3,2: 26:[48, 14] Operation: 32-18=14 Exploring Operation: 48+18=66, Resulting Numbers: [32, 66] Generated Node #0,3,3: 26:[32, 66] Operation: 48+18=66 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[18, 16], Operations: ['96-64=32', '48-32=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,26 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 #0,3,0 Current State: 26:[32, 30], Operations: ['96-64=32', '48-18=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,26 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,26 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 #0,3,2 Current State: 26:[48, 14], Operations: ['96-64=32', '32-18=14'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,26 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,26 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 #0,3,3 Current State: 26:[32, 66], Operations: ['96-64=32', '48+18=66'] Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,26 unequal: No Solution Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,26 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: 26:[64, 18, 2], Operations: ['96/48=2'] Exploring Operation: 64/2=32, Resulting Numbers: [18, 32] Generated Node #0,0,0: 26:[18, 32] Operation: 64/2=32 Exploring Operation: 64-18=46, Resulting Numbers: [2, 46] Generated Node #0,0,1: 26:[2, 46] Operation: 64-18=46 Exploring Operation: 64-2=62, Resulting Numbers: [18, 62] Generated Node #0,0,2: 26:[18, 62] Operation: 64-2=62 Exploring Operation: 18-2=16, Resulting Numbers: [64, 16] Generated Node #0,0,3: 26:[64, 16] Operation: 18-2=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[18, 32], Operations: ['96/48=2', '64/2=32'] Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,26 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,26 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 #0,0,1 Current State: 26:[2, 46], Operations: ['96/48=2', '64-18=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,26 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,26 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 #0,0,2 Current State: 26:[18, 62], Operations: ['96/48=2', '64-2=62'] Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,26 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,26 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 #0,0,3 Current State: 26:[64, 16], Operations: ['96/48=2', '18-2=16'] Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,26 unequal: No Solution Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,26 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,26 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: 26:[64, 18, 48], Operations: ['96-48=48'] Exploring Operation: 48-18=30, Resulting Numbers: [64, 30] Generated Node #0,2,0: 26:[64, 30] Operation: 48-18=30 Exploring Operation: 64+18=82, Resulting Numbers: [48, 82] Generated Node #0,2,1: 26:[48, 82] Operation: 64+18=82 Exploring Operation: 64-18=46, Resulting Numbers: [48, 46] Generated Node #0,2,2: 26:[48, 46] Operation: 64-18=46 Exploring Operation: 64-48=16, Resulting Numbers: [18, 16] Generated Node #0,2,3: 26:[18, 16] Operation: 64-48=16 Moving to Node #0,1 Current State: 26:[96, 18, 16], Operations: ['64-48=16'] Exploring Operation: 18-16=2, Resulting Numbers: [96, 2] Generated Node #0,1,0: 26:[96, 2] Operation: 18-16=2 Exploring Operation: 96-16=80, Resulting Numbers: [18, 80] Generated Node #0,1,1: 26:[18, 80] Operation: 96-16=80 Exploring Operation: 96-18=78, Resulting Numbers: [16, 78] Generated Node #0,1,2: 26:[16, 78] Operation: 96-18=78 Exploring Operation: 96/16=6, Resulting Numbers: [18, 6] Generated Node #0,1,3: 26:[18, 6] Operation: 96/16=6 Moving to Node #0,2,3 Current State: 26:[18, 16], Operations: ['96-48=48', '64-48=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,26 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,26 unequal: No Solution Moving to Node #0,1,3 Current State: 26:[18, 6], Operations: ['64-48=16', '96/16=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[48, 46], Operations: ['96-48=48', '64-18=46'] Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,26 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[64, 30], Operations: ['96-48=48', '48-18=30'] Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,26 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[16, 78], Operations: ['64-48=16', '96-18=78'] Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,26 unequal: No Solution Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,26 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[18, 80], Operations: ['64-48=16', '96-16=80'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 18+80=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 18*80=1440, Resulting Numbers: [1440] 1440,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[96, 2], Operations: ['64-48=16', '18-16=2'] Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,26 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,26 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[48, 82], Operations: ['96-48=48', '64+18=82'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 48+82=130, Resulting Numbers: [130] 130,26 unequal: No Solution Exploring Operation: 48*82=3936, Resulting Numbers: [3936] 3936,26 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 64, 42, 40, 9 ]
41
[ "42-40=2", "64/2=32", "9+32=41" ]
Current State: 41:[64, 42, 40, 9], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [64, 9, 2] Generated Node #2: [64, 9, 2] from Operation: 42-40=2 Current State: 41:[64, 9, 2], Operations: ['42-40=2'] Exploring Operation: 64/2=32, Resulting Numbers: [9, 32] Generated Node #3: [9, 32] from Operation: 64/2=32 Current State: 41:[9, 32], Operations: ['42-40=2', '64/2=32'] Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[64, 42, 40, 9], Operations: [] Exploring Operation: 42+9=51, Resulting Numbers: [64, 40, 51] Generated Node #0,0: 41:[64, 40, 51] Operation: 42+9=51 Exploring Operation: 64-9=55, Resulting Numbers: [42, 40, 55] Generated Node #0,1: 41:[42, 40, 55] Operation: 64-9=55 Exploring Operation: 40+9=49, Resulting Numbers: [64, 42, 49] Generated Node #0,2: 41:[64, 42, 49] Operation: 40+9=49 Exploring Operation: 64+9=73, Resulting Numbers: [42, 40, 73] Generated Node #0,3: 41:[42, 40, 73] Operation: 64+9=73 Exploring Operation: 42-9=33, Resulting Numbers: [64, 40, 33] Generated Node #0,4: 41:[64, 40, 33] Operation: 42-9=33 Moving to Node #0,1 Current State: 41:[42, 40, 55], Operations: ['64-9=55'] Exploring Operation: 55-42=13, Resulting Numbers: [40, 13] Generated Node #0,1,0: 41:[40, 13] Operation: 55-42=13 Exploring Operation: 55-40=15, Resulting Numbers: [42, 15] Generated Node #0,1,1: 41:[42, 15] Operation: 55-40=15 Exploring Operation: 40+55=95, Resulting Numbers: [42, 95] Generated Node #0,1,2: 41:[42, 95] Operation: 40+55=95 Exploring Operation: 42+40=82, Resulting Numbers: [55, 82] Generated Node #0,1,3: 41:[55, 82] Operation: 42+40=82 Exploring Operation: 42-40=2, Resulting Numbers: [55, 2] Generated Node #0,1,4: 41:[55, 2] Operation: 42-40=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[42, 15], Operations: ['64-9=55', '55-40=15'] Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,41 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,41 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 #0,1,0 Current State: 41:[40, 13], Operations: ['64-9=55', '55-42=13'] Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,41 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,41 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 #0,1,4 Current State: 41:[55, 2], Operations: ['64-9=55', '42-40=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,41 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[42, 95], Operations: ['64-9=55', '40+55=95'] Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 42*95=3990, Resulting Numbers: [3990] 3990,41 unequal: No Solution Exploring Operation: 42+95=137, Resulting Numbers: [137] 137,41 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 #0,1,3 Current State: 41:[55, 82], Operations: ['64-9=55', '42+40=82'] Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,41 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,41 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: 41:[64, 40, 33], Operations: ['42-9=33'] Exploring Operation: 40-33=7, Resulting Numbers: [64, 7] Generated Node #0,4,0: 41:[64, 7] Operation: 40-33=7 Exploring Operation: 64+33=97, Resulting Numbers: [40, 97] Generated Node #0,4,1: 41:[40, 97] Operation: 64+33=97 Exploring Operation: 64-40=24, Resulting Numbers: [33, 24] Generated Node #0,4,2: 41:[33, 24] Operation: 64-40=24 Exploring Operation: 64-33=31, Resulting Numbers: [40, 31] Generated Node #0,4,3: 41:[40, 31] Operation: 64-33=31 Exploring Operation: 40+33=73, Resulting Numbers: [64, 73] Generated Node #0,4,4: 41:[64, 73] Operation: 40+33=73 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 41:[40, 31], Operations: ['42-9=33', '64-33=31'] Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,41 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,41 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 #0,4,2 Current State: 41:[33, 24], Operations: ['42-9=33', '64-40=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,41 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 #0,4,4 Current State: 41:[64, 73], Operations: ['42-9=33', '40+33=73'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,41 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,41 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 #0,4,0 Current State: 41:[64, 7], Operations: ['42-9=33', '40-33=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,41 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,41 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 #0,4,1 Current State: 41:[40, 97], Operations: ['42-9=33', '64+33=97'] Exploring Operation: 40+97=137, Resulting Numbers: [137] 137,41 unequal: No Solution Exploring Operation: 40*97=3880, Resulting Numbers: [3880] 3880,41 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,41 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:[64, 42, 49], Operations: ['40+9=49'] Exploring Operation: 49-42=7, Resulting Numbers: [64, 7] Generated Node #0,2,0: 41:[64, 7] Operation: 49-42=7 Exploring Operation: 64-42=22, Resulting Numbers: [49, 22] Generated Node #0,2,1: 41:[49, 22] Operation: 64-42=22 Exploring Operation: 64+49=113, Resulting Numbers: [42, 113] Generated Node #0,2,2: 41:[42, 113] Operation: 64+49=113 Exploring Operation: 64+42=106, Resulting Numbers: [49, 106] Generated Node #0,2,3: 41:[49, 106] Operation: 64+42=106 Exploring Operation: 64-49=15, Resulting Numbers: [42, 15] Generated Node #0,2,4: 41:[42, 15] Operation: 64-49=15 Moving to Node #0,0 Current State: 41:[64, 40, 51], Operations: ['42+9=51'] Exploring Operation: 64-51=13, Resulting Numbers: [40, 13] Generated Node #0,0,0: 41:[40, 13] Operation: 64-51=13 Exploring Operation: 64+40=104, Resulting Numbers: [51, 104] Generated Node #0,0,1: 41:[51, 104] Operation: 64+40=104 Exploring Operation: 51-40=11, Resulting Numbers: [64, 11] Generated Node #0,0,2: 41:[64, 11] Operation: 51-40=11 Exploring Operation: 64-40=24, Resulting Numbers: [51, 24] Generated Node #0,0,3: 41:[51, 24] Operation: 64-40=24 Exploring Operation: 40+51=91, Resulting Numbers: [64, 91] Generated Node #0,0,4: 41:[64, 91] Operation: 40+51=91 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[51, 24], Operations: ['42+9=51', '64-40=24'] Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,41 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:[40, 13], Operations: ['42+9=51', '64-51=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,41 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:[64, 11], Operations: ['42+9=51', '51-40=11'] Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,41 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,41 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:[51, 104], Operations: ['42+9=51', '64+40=104'] Exploring Operation: 51+104=155, Resulting Numbers: [155] 155,41 unequal: No Solution Exploring Operation: 104-51=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 51*104=5304, Resulting Numbers: [5304] 5304,41 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 #0,0,4 Current State: 41:[64, 91], Operations: ['42+9=51', '40+51=91'] Exploring Operation: 64*91=5824, Resulting Numbers: [5824] 5824,41 unequal: No Solution Exploring Operation: 64+91=155, Resulting Numbers: [155] 155,41 unequal: No Solution Exploring Operation: 91-64=27, Resulting Numbers: [27] 27,41 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: 41:[42, 40, 73], Operations: ['64+9=73'] Exploring Operation: 73-40=33, Resulting Numbers: [42, 33] Generated Node #0,3,0: 41:[42, 33] Operation: 73-40=33 Exploring Operation: 73-42=31, Resulting Numbers: [40, 31] Generated Node #0,3,1: 41:[40, 31] Operation: 73-42=31 Exploring Operation: 42-40=2, Resulting Numbers: [73, 2] Generated Node #0,3,2: 41:[73, 2] Operation: 42-40=2 Exploring Operation: 40+73=113, Resulting Numbers: [42, 113] Generated Node #0,3,3: 41:[42, 113] Operation: 40+73=113 Exploring Operation: 42+40=82, Resulting Numbers: [73, 82] Generated Node #0,3,4: 41:[73, 82] Operation: 42+40=82 Moving to Node #0,3,0 Current State: 41:[42, 33], Operations: ['64+9=73', '73-40=33'] Exploring Operation: 42+33=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 42*33=1386, Resulting Numbers: [1386] 1386,41 unequal: No Solution Exploring Operation: 42-33=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,3,1 Current State: 41:[40, 31], Operations: ['64+9=73', '73-42=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[49, 22], Operations: ['40+9=49', '64-42=22'] Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,41 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,41 unequal: No Solution Moving to Node #0,2,4 Current State: 41:[42, 15], Operations: ['40+9=49', '64-49=15'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,41 unequal: No Solution Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[64, 7], Operations: ['40+9=49', '49-42=7'] Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,41 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,41 unequal: No Solution Moving to Node #0,3,2 Current State: 41:[73, 2], Operations: ['64+9=73', '42-40=2'] Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,41 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[42, 113], Operations: ['64+9=73', '40+73=113'] Exploring Operation: 113-42=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 42+113=155, Resulting Numbers: [155] 155,41 unequal: No Solution Exploring Operation: 42*113=4746, Resulting Numbers: [4746] 4746,41 unequal: No Solution Moving to Node #0,3,4 Current State: 41:[73, 82], Operations: ['64+9=73', '42+40=82'] Exploring Operation: 73+82=155, Resulting Numbers: [155] 155,41 unequal: No Solution Exploring Operation: 82-73=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 73*82=5986, Resulting Numbers: [5986] 5986,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[49, 106], Operations: ['40+9=49', '64+42=106'] Exploring Operation: 106-49=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 49*106=5194, Resulting Numbers: [5194] 5194,41 unequal: No Solution Exploring Operation: 49+106=155, Resulting Numbers: [155] 155,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[42, 113], Operations: ['40+9=49', '64+49=113'] Exploring Operation: 42*113=4746, Resulting Numbers: [4746] 4746,41 unequal: No Solution Exploring Operation: 113-42=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 42+113=155, Resulting Numbers: [155] 155,41 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 6, 57, 42 ]
73
[ "54+42=96", "96/6=16", "57+16=73" ]
Current State: 73:[54, 6, 57, 42], Operations: [] Exploring Operation: 54+42=96, Resulting Numbers: [6, 57, 96] Generated Node #2: [6, 57, 96] from Operation: 54+42=96 Current State: 73:[6, 57, 96], Operations: ['54+42=96'] Exploring Operation: 96/6=16, Resulting Numbers: [57, 16] Generated Node #3: [57, 16] from Operation: 96/6=16 Current State: 73:[57, 16], Operations: ['54+42=96', '96/6=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[54, 6, 57, 42], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [54, 42, 63] Generated Node #0,0: 73:[54, 42, 63] Operation: 6+57=63 Exploring Operation: 54+6=60, Resulting Numbers: [57, 42, 60] Generated Node #0,1: 73:[57, 42, 60] Operation: 54+6=60 Moving to Node #0,0 Current State: 73:[54, 42, 63], Operations: ['6+57=63'] Exploring Operation: 54+42=96, Resulting Numbers: [63, 96] Generated Node #0,0,0: 73:[63, 96] Operation: 54+42=96 Exploring Operation: 42+63=105, Resulting Numbers: [54, 105] Generated Node #0,0,1: 73:[54, 105] Operation: 42+63=105 Moving to Node #0,1 Current State: 73:[57, 42, 60], Operations: ['54+6=60'] Exploring Operation: 57+42=99, Resulting Numbers: [60, 99] Generated Node #0,1,0: 73:[60, 99] Operation: 57+42=99 Exploring Operation: 42+60=102, Resulting Numbers: [57, 102] Generated Node #0,1,1: 73:[57, 102] Operation: 42+60=102 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[60, 99], Operations: ['54+6=60', '57+42=99'] Exploring Operation: 60+99=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[57, 102], Operations: ['54+6=60', '42+60=102'] Exploring Operation: 57+102=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 102-57=45, Resulting Numbers: [45] 45,73 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: 73:[63, 96], Operations: ['6+57=63', '54+42=96'] Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 63+96=159, Resulting Numbers: [159] 159,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[54, 105], Operations: ['6+57=63', '42+63=105'] Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,73 unequal: No Solution Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,73 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 24, 3, 39, 19 ]
28
[ "24/3=8", "39-19=20", "8+20=28" ]
Current State: 28:[24, 3, 39, 19], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [39, 19, 8] Generated Node #2: [39, 19, 8] from Operation: 24/3=8 Current State: 28:[39, 19, 8], Operations: ['24/3=8'] Exploring Operation: 39-19=20, Resulting Numbers: [8, 20] Generated Node #3: [8, 20] from Operation: 39-19=20 Current State: 28:[8, 20], Operations: ['24/3=8', '39-19=20'] Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[24, 3, 39, 19], Operations: [] Exploring Operation: 39-24=15, Resulting Numbers: [3, 19, 15] Generated Node #0,0: 28:[3, 19, 15] Operation: 39-24=15 Exploring Operation: 39-19=20, Resulting Numbers: [24, 3, 20] Generated Node #0,1: 28:[24, 3, 20] Operation: 39-19=20 Exploring Operation: 24-19=5, Resulting Numbers: [3, 39, 5] Generated Node #0,2: 28:[3, 39, 5] Operation: 24-19=5 Exploring Operation: 39/3=13, Resulting Numbers: [24, 19, 13] Generated Node #0,3: 28:[24, 19, 13] Operation: 39/3=13 Exploring Operation: 24+3=27, Resulting Numbers: [39, 19, 27] Generated Node #0,4: 28:[39, 19, 27] Operation: 24+3=27 Moving to Node #0,0 Current State: 28:[3, 19, 15], Operations: ['39-24=15'] Exploring Operation: 15-3=12, Resulting Numbers: [19, 12] Generated Node #0,0,0: 28:[19, 12] Operation: 15-3=12 Exploring Operation: 19-3=16, Resulting Numbers: [15, 16] Generated Node #0,0,1: 28:[15, 16] Operation: 19-3=16 Exploring Operation: 19-15=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 28:[3, 4] Operation: 19-15=4 Exploring Operation: 3+19=22, Resulting Numbers: [15, 22] Generated Node #0,0,3: 28:[15, 22] Operation: 3+19=22 Exploring Operation: 15/3=5, Resulting Numbers: [19, 5] Generated Node #0,0,4: 28:[19, 5] Operation: 15/3=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[3, 4], Operations: ['39-24=15', '19-15=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[15, 16], Operations: ['39-24=15', '19-3=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 28:[19, 5], Operations: ['39-24=15', '15/3=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,28 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[19, 12], Operations: ['39-24=15', '15-3=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 28:[15, 22], Operations: ['39-24=15', '3+19=22'] Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,28 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,28 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: 28:[24, 19, 13], Operations: ['39/3=13'] Exploring Operation: 24+13=37, Resulting Numbers: [19, 37] Generated Node #0,3,0: 28:[19, 37] Operation: 24+13=37 Exploring Operation: 19-13=6, Resulting Numbers: [24, 6] Generated Node #0,3,1: 28:[24, 6] Operation: 19-13=6 Exploring Operation: 19+13=32, Resulting Numbers: [24, 32] Generated Node #0,3,2: 28:[24, 32] Operation: 19+13=32 Exploring Operation: 24-13=11, Resulting Numbers: [19, 11] Generated Node #0,3,3: 28:[19, 11] Operation: 24-13=11 Exploring Operation: 24-19=5, Resulting Numbers: [13, 5] Generated Node #0,3,4: 28:[13, 5] Operation: 24-19=5 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 28:[13, 5], Operations: ['39/3=13', '24-19=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[24, 6], Operations: ['39/3=13', '19-13=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,28 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[24, 32], Operations: ['39/3=13', '19+13=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,28 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[19, 11], Operations: ['39/3=13', '24-13=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,28 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[19, 37], Operations: ['39/3=13', '24+13=37'] Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[24, 3, 20], Operations: ['39-19=20'] Exploring Operation: 3+20=23, Resulting Numbers: [24, 23] Generated Node #0,1,0: 28:[24, 23] Operation: 3+20=23 Exploring Operation: 24+3=27, Resulting Numbers: [20, 27] Generated Node #0,1,1: 28:[20, 27] Operation: 24+3=27 Exploring Operation: 20-3=17, Resulting Numbers: [24, 17] Generated Node #0,1,2: 28:[24, 17] Operation: 20-3=17 Exploring Operation: 24/3=8, Resulting Numbers: [20, 8] Generated Node #0,1,3: 28:[20, 8] Operation: 24/3=8 Exploring Operation: 24-20=4, Resulting Numbers: [3, 4] Generated Node #0,1,4: 28:[3, 4] Operation: 24-20=4 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 28:[3, 4], Operations: ['39-19=20', '24-20=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[20, 27], Operations: ['39-19=20', '24+3=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[24, 17], Operations: ['39-19=20', '20-3=17'] Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,28 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 28:[20, 8], Operations: ['39-19=20', '24/3=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[24, 3, 39, 19], Operations: [] Exploring Operation: 39-19=20, Resulting Numbers: [24, 3, 20] Generated Node #0,1: 28:[24, 3, 20] Operation: 39-19=20 Moving to Node #0,1 Current State: 28:[24, 3, 20], Operations: ['39-19=20'] Exploring Operation: 24/3=8, Resulting Numbers: [20, 8] Generated Node #0,1,3: 28:[20, 8] Operation: 24/3=8 Moving to Node #0,1,3 Current State: 28:[20, 8], Operations: ['39-19=20', '24/3=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_5
mult_heuristic
[ 52, 23, 15, 12 ]
48
[ "52+23=75", "15+12=27", "75-27=48" ]
Current State: 48:[52, 23, 15, 12], Operations: [] Exploring Operation: 52+23=75, Resulting Numbers: [15, 12, 75] Generated Node #2: [15, 12, 75] from Operation: 52+23=75 Current State: 48:[15, 12, 75], Operations: ['52+23=75'] Exploring Operation: 15+12=27, Resulting Numbers: [75, 27] Generated Node #3: [75, 27] from Operation: 15+12=27 Current State: 48:[75, 27], Operations: ['52+23=75', '15+12=27'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[52, 23, 15, 12], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [52, 12, 8] Generated Node #0,0: 48:[52, 12, 8] Operation: 23-15=8 Exploring Operation: 15-12=3, Resulting Numbers: [52, 23, 3] Generated Node #0,1: 48:[52, 23, 3] Operation: 15-12=3 Exploring Operation: 52-23=29, Resulting Numbers: [15, 12, 29] Generated Node #0,2: 48:[15, 12, 29] Operation: 52-23=29 Moving to Node #0,0 Current State: 48:[52, 12, 8], Operations: ['23-15=8'] Exploring Operation: 12-8=4, Resulting Numbers: [52, 4] Generated Node #0,0,0: 48:[52, 4] Operation: 12-8=4 Exploring Operation: 52-8=44, Resulting Numbers: [12, 44] Generated Node #0,0,1: 48:[12, 44] Operation: 52-8=44 Exploring Operation: 52-12=40, Resulting Numbers: [8, 40] Generated Node #0,0,2: 48:[8, 40] Operation: 52-12=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[52, 4], Operations: ['23-15=8', '12-8=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[52, 23, 15, 12], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [52, 12, 8] Generated Node #0,0: 48:[52, 12, 8] Operation: 23-15=8 Moving to Node #0,0 Current State: 48:[52, 12, 8], Operations: ['23-15=8'] Exploring Operation: 12-8=4, Resulting Numbers: [52, 4] Generated Node #0,0,0: 48:[52, 4] Operation: 12-8=4 Moving to Node #0,0,0 Current State: 48:[52, 4], Operations: ['23-15=8', '12-8=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 50, 86, 50, 74 ]
60
[ "86-50=36", "74-50=24", "36+24=60" ]
Current State: 60:[50, 86, 50, 74], Operations: [] Exploring Operation: 86-50=36, Resulting Numbers: [74, 36] Generated Node #2: [74, 36] from Operation: 86-50=36 Current State: 60:[74, 36], Operations: ['86-50=36'] Exploring Operation: 74-50=24, Resulting Numbers: [36, 24] Generated Node #3: [36, 24] from Operation: 74-50=24 Current State: 60:[36, 24], Operations: ['86-50=36', '74-50=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[50, 86, 50, 74], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [50, 50, 12] Generated Node #0,0: 60:[50, 50, 12] Operation: 86-74=12 Exploring Operation: 86-50=36, Resulting Numbers: [50, 74, 36] Generated Node #0,1: 60:[50, 74, 36] Operation: 86-50=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[50, 50, 12], Operations: ['86-74=12'] Exploring Operation: 50-50=0, Resulting Numbers: [12, 0] Generated Node #0,0,0: 60:[12, 0] Operation: 50-50=0 Exploring Operation: 50/50=1, Resulting Numbers: [12, 1] Generated Node #0,0,1: 60:[12, 1] Operation: 50/50=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[12, 1], Operations: ['86-74=12', '50/50=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[12, 0], Operations: ['86-74=12', '50-50=0'] Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[50, 74, 36], Operations: ['86-50=36'] Exploring Operation: 50-36=14, Resulting Numbers: [74, 14] Generated Node #0,1,0: 60:[74, 14] Operation: 50-36=14 Exploring Operation: 74-50=24, Resulting Numbers: [36, 24] Generated Node #0,1,1: 60:[36, 24] Operation: 74-50=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[36, 24], Operations: ['86-50=36', '74-50=24'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[50, 86, 50, 74], Operations: [] Exploring Operation: 86-50=36, Resulting Numbers: [50, 74, 36] Generated Node #0,1: 60:[50, 74, 36] Operation: 86-50=36 Moving to Node #0,1 Current State: 60:[50, 74, 36], Operations: ['86-50=36'] Exploring Operation: 74-50=24, Resulting Numbers: [36, 24] Generated Node #0,1,1: 60:[36, 24] Operation: 74-50=24 Moving to Node #0,1,1 Current State: 60:[36, 24], Operations: ['86-50=36', '74-50=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 93, 68, 64, 45 ]
84
[ "93-68=25", "64+45=109", "109-25=84" ]
Current State: 84:[93, 68, 64, 45], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [64, 45, 25] Generated Node #2: [64, 45, 25] from Operation: 93-68=25 Current State: 84:[64, 45, 25], Operations: ['93-68=25'] Exploring Operation: 64+45=109, Resulting Numbers: [25, 109] Generated Node #3: [25, 109] from Operation: 64+45=109 Current State: 84:[25, 109], Operations: ['93-68=25', '64+45=109'] Exploring Operation: 109-25=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[93, 68, 64, 45], Operations: [] Exploring Operation: 64-45=19, Resulting Numbers: [93, 68, 19] Generated Node #0,0: 84:[93, 68, 19] Operation: 64-45=19 Exploring Operation: 68-64=4, Resulting Numbers: [93, 45, 4] Generated Node #0,1: 84:[93, 45, 4] Operation: 68-64=4 Exploring Operation: 68-45=23, Resulting Numbers: [93, 64, 23] Generated Node #0,2: 84:[93, 64, 23] Operation: 68-45=23 Exploring Operation: 93-68=25, Resulting Numbers: [64, 45, 25] Generated Node #0,3: 84:[64, 45, 25] Operation: 93-68=25 Exploring Operation: 93-64=29, Resulting Numbers: [68, 45, 29] Generated Node #0,4: 84:[68, 45, 29] Operation: 93-64=29 Moving to Node #0,1 Current State: 84:[93, 45, 4], Operations: ['68-64=4'] Exploring Operation: 93-4=89, Resulting Numbers: [45, 89] Generated Node #0,1,0: 84:[45, 89] Operation: 93-4=89 Exploring Operation: 45-4=41, Resulting Numbers: [93, 41] Generated Node #0,1,1: 84:[93, 41] Operation: 45-4=41 Exploring Operation: 93-45=48, Resulting Numbers: [4, 48] Generated Node #0,1,2: 84:[4, 48] Operation: 93-45=48 Exploring Operation: 93+4=97, Resulting Numbers: [45, 97] Generated Node #0,1,3: 84:[45, 97] Operation: 93+4=97 Exploring Operation: 45+4=49, Resulting Numbers: [93, 49] Generated Node #0,1,4: 84:[93, 49] Operation: 45+4=49 Moving to Node #0,4 Current State: 84:[68, 45, 29], Operations: ['93-64=29'] Exploring Operation: 68-45=23, Resulting Numbers: [29, 23] Generated Node #0,4,0: 84:[29, 23] Operation: 68-45=23 Exploring Operation: 45-29=16, Resulting Numbers: [68, 16] Generated Node #0,4,1: 84:[68, 16] Operation: 45-29=16 Exploring Operation: 45+29=74, Resulting Numbers: [68, 74] Generated Node #0,4,2: 84:[68, 74] Operation: 45+29=74 Exploring Operation: 68-29=39, Resulting Numbers: [45, 39] Generated Node #0,4,3: 84:[45, 39] Operation: 68-29=39 Exploring Operation: 68+29=97, Resulting Numbers: [45, 97] Generated Node #0,4,4: 84:[45, 97] Operation: 68+29=97 Moving to Node #0,3 Current State: 84:[64, 45, 25], Operations: ['93-68=25'] Exploring Operation: 64+25=89, Resulting Numbers: [45, 89] Generated Node #0,3,0: 84:[45, 89] Operation: 64+25=89 Exploring Operation: 45-25=20, Resulting Numbers: [64, 20] Generated Node #0,3,1: 84:[64, 20] Operation: 45-25=20 Exploring Operation: 64-25=39, Resulting Numbers: [45, 39] Generated Node #0,3,2: 84:[45, 39] Operation: 64-25=39 Exploring Operation: 64-45=19, Resulting Numbers: [25, 19] Generated Node #0,3,3: 84:[25, 19] Operation: 64-45=19 Exploring Operation: 64+45=109, Resulting Numbers: [25, 109] Generated Node #0,3,4: 84:[25, 109] Operation: 64+45=109 Moving to Node #0,0 Current State: 84:[93, 68, 19], Operations: ['64-45=19'] Exploring Operation: 68-19=49, Resulting Numbers: [93, 49] Generated Node #0,0,0: 84:[93, 49] Operation: 68-19=49 Exploring Operation: 93-19=74, Resulting Numbers: [68, 74] Generated Node #0,0,1: 84:[68, 74] Operation: 93-19=74 Exploring Operation: 68+19=87, Resulting Numbers: [93, 87] Generated Node #0,0,2: 84:[93, 87] Operation: 68+19=87 Exploring Operation: 93-68=25, Resulting Numbers: [19, 25] Generated Node #0,0,3: 84:[19, 25] Operation: 93-68=25 Exploring Operation: 93+19=112, Resulting Numbers: [68, 112] Generated Node #0,0,4: 84:[68, 112] Operation: 93+19=112 Moving to Node #0,2 Current State: 84:[93, 64, 23], Operations: ['68-45=23'] Exploring Operation: 93-23=70, Resulting Numbers: [64, 70] Generated Node #0,2,0: 84:[64, 70] Operation: 93-23=70 Exploring Operation: 64+23=87, Resulting Numbers: [93, 87] Generated Node #0,2,1: 84:[93, 87] Operation: 64+23=87 Exploring Operation: 64-23=41, Resulting Numbers: [93, 41] Generated Node #0,2,2: 84:[93, 41] Operation: 64-23=41 Exploring Operation: 93-64=29, Resulting Numbers: [23, 29] Generated Node #0,2,3: 84:[23, 29] Operation: 93-64=29 Exploring Operation: 93+23=116, Resulting Numbers: [64, 116] Generated Node #0,2,4: 84:[64, 116] Operation: 93+23=116 Moving to Node #0,4,0 Current State: 84:[29, 23], Operations: ['93-64=29', '68-45=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,84 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[23, 29], Operations: ['68-45=23', '93-64=29'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[25, 19], Operations: ['93-68=25', '64-45=19'] Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,84 unequal: No Solution Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[19, 25], Operations: ['64-45=19', '93-68=25'] Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,84 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[4, 48], Operations: ['68-64=4', '93-45=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 4*48=192, Resulting Numbers: [192] 192,84 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,84 unequal: No Solution Moving to Node #0,4,3 Current State: 84:[45, 39], Operations: ['93-64=29', '68-29=39'] Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,84 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[93, 68, 64, 45], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [68, 45, 29] Generated Node #0,4: 84:[68, 45, 29] Operation: 93-64=29 Moving to Node #0,4 Current State: 84:[68, 45, 29], Operations: ['93-64=29'] Exploring Operation: 68-29=39, Resulting Numbers: [45, 39] Generated Node #0,4,3: 84:[45, 39] Operation: 68-29=39 Moving to Node #0,4,3 Current State: 84:[45, 39], Operations: ['93-64=29', '68-29=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.954861
hs_5
mult_heuristic
[ 5, 99, 37, 31 ]
93
[ "5*31=155", "99-37=62", "155-62=93" ]
Current State: 93:[5, 99, 37, 31], Operations: [] Exploring Operation: 5*31=155, Resulting Numbers: [99, 37, 155] Generated Node #2: [99, 37, 155] from Operation: 5*31=155 Current State: 93:[99, 37, 155], Operations: ['5*31=155'] Exploring Operation: 99-37=62, Resulting Numbers: [155, 62] Generated Node #3: [155, 62] from Operation: 99-37=62 Current State: 93:[155, 62], Operations: ['5*31=155', '99-37=62'] Exploring Operation: 155-62=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[5, 99, 37, 31], Operations: [] Exploring Operation: 99-5=94, Resulting Numbers: [37, 31, 94] Generated Node #0,0: 93:[37, 31, 94] Operation: 99-5=94 Exploring Operation: 37-31=6, Resulting Numbers: [5, 99, 6] Generated Node #0,1: 93:[5, 99, 6] Operation: 37-31=6 Exploring Operation: 37-5=32, Resulting Numbers: [99, 31, 32] Generated Node #0,2: 93:[99, 31, 32] Operation: 37-5=32 Moving to Node #0,0 Current State: 93:[37, 31, 94], Operations: ['99-5=94'] Exploring Operation: 94-37=57, Resulting Numbers: [31, 57] Generated Node #0,0,0: 93:[31, 57] Operation: 94-37=57 Exploring Operation: 37+31=68, Resulting Numbers: [94, 68] Generated Node #0,0,1: 93:[94, 68] Operation: 37+31=68 Exploring Operation: 37-31=6, Resulting Numbers: [94, 6] Generated Node #0,0,2: 93:[94, 6] Operation: 37-31=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[94, 6], Operations: ['99-5=94', '37-31=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,93 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[31, 57], Operations: ['99-5=94', '94-37=57'] Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,93 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[94, 68], Operations: ['99-5=94', '37+31=68'] Exploring Operation: 94+68=162, Resulting Numbers: [162] 162,93 unequal: No Solution Exploring Operation: 94-68=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 94*68=6392, Resulting Numbers: [6392] 6392,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 93:[99, 31, 32], Operations: ['37-5=32'] Exploring Operation: 99-32=67, Resulting Numbers: [31, 67] Generated Node #0,2,0: 93:[31, 67] Operation: 99-32=67 Exploring Operation: 99-31=68, Resulting Numbers: [32, 68] Generated Node #0,2,1: 93:[32, 68] Operation: 99-31=68 Exploring Operation: 32-31=1, Resulting Numbers: [99, 1] Generated Node #0,2,2: 93:[99, 1] Operation: 32-31=1 Moving to Node #0,1 Current State: 93:[5, 99, 6], Operations: ['37-31=6'] Exploring Operation: 99-6=93, Resulting Numbers: [5, 93] Generated Node #0,1,0: 93:[5, 93] Operation: 99-6=93 Exploring Operation: 99-5=94, Resulting Numbers: [6, 94] Generated Node #0,1,1: 93:[6, 94] Operation: 99-5=94 Exploring Operation: 5*6=30, Resulting Numbers: [99, 30] Generated Node #0,1,2: 93:[99, 30] Operation: 5*6=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[5, 93], Operations: ['37-31=6', '99-6=93'] Exploring Operation: 5*93=465, Resulting Numbers: [465] 465,93 unequal: No Solution Exploring Operation: 5+93=98, Resulting Numbers: [98] 98,93 unequal: No Solution Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[6, 94], Operations: ['37-31=6', '99-5=94'] Exploring Operation: 6*94=564, Resulting Numbers: [564] 564,93 unequal: No Solution Exploring Operation: 6+94=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[99, 30], Operations: ['37-31=6', '5*6=30'] Exploring Operation: 99*30=2970, Resulting Numbers: [2970] 2970,93 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 99+30=129, Resulting Numbers: [129] 129,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 93:[99, 1], Operations: ['37-5=32', '32-31=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,93 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,93 unequal: No Solution Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[31, 67], Operations: ['37-5=32', '99-32=67'] Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,93 unequal: No Solution Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[32, 68], Operations: ['37-5=32', '99-31=68'] Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 32, 13, 12 ]
68
[ "13-10=3", "12*3=36", "32+36=68" ]
Current State: 68:[10, 32, 13, 12], Operations: [] Exploring Operation: 13-10=3, Resulting Numbers: [32, 12, 3] Generated Node #2: [32, 12, 3] from Operation: 13-10=3 Current State: 68:[32, 12, 3], Operations: ['13-10=3'] Exploring Operation: 12*3=36, Resulting Numbers: [32, 36] Generated Node #3: [32, 36] from Operation: 12*3=36 Current State: 68:[32, 36], Operations: ['13-10=3', '12*3=36'] Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[10, 32, 13, 12], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [32, 13, 2] Generated Node #0,0: 68:[32, 13, 2] Operation: 12-10=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[32, 13, 2], Operations: ['12-10=2'] Exploring Operation: 32-13=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 68:[2, 19] Operation: 32-13=19 Moving to Node #0,0,0 Current State: 68:[2, 19], Operations: ['12-10=2', '32-13=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,68 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
[ 27, 71, 68, 43 ]
69
[ "71-27=44", "68-43=25", "44+25=69" ]
Current State: 69:[27, 71, 68, 43], Operations: [] Exploring Operation: 71-27=44, Resulting Numbers: [68, 43, 44] Generated Node #2: [68, 43, 44] from Operation: 71-27=44 Current State: 69:[68, 43, 44], Operations: ['71-27=44'] Exploring Operation: 68-43=25, Resulting Numbers: [44, 25] Generated Node #3: [44, 25] from Operation: 68-43=25 Current State: 69:[44, 25], Operations: ['71-27=44', '68-43=25'] Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[27, 71, 68, 43], Operations: [] Exploring Operation: 27+43=70, Resulting Numbers: [71, 68, 70] Generated Node #0,0: 69:[71, 68, 70] Operation: 27+43=70 Moving to Node #0,0 Current State: 69:[71, 68, 70], Operations: ['27+43=70'] Exploring Operation: 71-68=3, Resulting Numbers: [70, 3] Generated Node #0,0,0: 69:[70, 3] Operation: 71-68=3 Moving to Node #0,0,0 Current State: 69:[70, 3], Operations: ['27+43=70', '71-68=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,69 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 35, 47, 76, 39 ]
94
[ "76-35=41", "41-39=2", "47*2=94" ]
Current State: 94:[35, 47, 76, 39], Operations: [] Exploring Operation: 76-35=41, Resulting Numbers: [47, 39, 41] Generated Node #2: [47, 39, 41] from Operation: 76-35=41 Current State: 94:[47, 39, 41], Operations: ['76-35=41'] Exploring Operation: 41-39=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 41-39=2 Current State: 94:[47, 2], Operations: ['76-35=41', '41-39=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[35, 47, 76, 39], Operations: [] Exploring Operation: 39-35=4, Resulting Numbers: [47, 76, 4] Generated Node #0,0: 94:[47, 76, 4] Operation: 39-35=4 Exploring Operation: 76-35=41, Resulting Numbers: [47, 39, 41] Generated Node #0,1: 94:[47, 39, 41] Operation: 76-35=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[47, 39, 41], Operations: ['76-35=41'] Exploring Operation: 41-39=2, Resulting Numbers: [47, 2] Generated Node #0,1,0: 94:[47, 2] Operation: 41-39=2 Exploring Operation: 47-39=8, Resulting Numbers: [41, 8] Generated Node #0,1,1: 94:[41, 8] Operation: 47-39=8 Moving to Node #0,1,0 Current State: 94:[47, 2], Operations: ['76-35=41', '41-39=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[35, 47, 76, 39], Operations: [] Exploring Operation: 76-35=41, Resulting Numbers: [47, 39, 41] Generated Node #0,1: 94:[47, 39, 41] Operation: 76-35=41 Moving to Node #0,1 Current State: 94:[47, 39, 41], Operations: ['76-35=41'] Exploring Operation: 41-39=2, Resulting Numbers: [47, 2] Generated Node #0,1,0: 94:[47, 2] Operation: 41-39=2 Moving to Node #0,1,0 Current State: 94:[47, 2], Operations: ['76-35=41', '41-39=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 2, 61, 92, 74 ]
12
[ "92-61=31", "2*31=62", "74-62=12" ]
Current State: 12:[2, 61, 92, 74], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [2, 74, 31] Generated Node #2: [2, 74, 31] from Operation: 92-61=31 Current State: 12:[2, 74, 31], Operations: ['92-61=31'] Exploring Operation: 2*31=62, Resulting Numbers: [74, 62] Generated Node #3: [74, 62] from Operation: 2*31=62 Current State: 12:[74, 62], Operations: ['92-61=31', '2*31=62'] Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[2, 61, 92, 74], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [2, 61, 18] Generated Node #0,0: 12:[2, 61, 18] Operation: 92-74=18 Moving to Node #0,0 Current State: 12:[2, 61, 18], Operations: ['92-74=18'] Exploring Operation: 61-18=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 12:[2, 43] Operation: 61-18=43 Moving to Node #0,0,0 Current State: 12:[2, 43], Operations: ['92-74=18', '61-18=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,12 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 1, 65, 86, 38 ]
16
[ "65-1=64", "86-38=48", "64-48=16" ]
Current State: 16:[1, 65, 86, 38], Operations: [] Exploring Operation: 65-1=64, Resulting Numbers: [86, 38, 64] Generated Node #2: [86, 38, 64] from Operation: 65-1=64 Current State: 16:[86, 38, 64], Operations: ['65-1=64'] Exploring Operation: 86-38=48, Resulting Numbers: [64, 48] Generated Node #3: [64, 48] from Operation: 86-38=48 Current State: 16:[64, 48], Operations: ['65-1=64', '86-38=48'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[1, 65, 86, 38], Operations: [] Exploring Operation: 65-38=27, Resulting Numbers: [1, 86, 27] Generated Node #0,0: 16:[1, 86, 27] Operation: 65-38=27 Exploring Operation: 86-65=21, Resulting Numbers: [1, 38, 21] Generated Node #0,1: 16:[1, 38, 21] Operation: 86-65=21 Exploring Operation: 86-38=48, Resulting Numbers: [1, 65, 48] Generated Node #0,2: 16:[1, 65, 48] Operation: 86-38=48 Exploring Operation: 65-1=64, Resulting Numbers: [86, 38, 64] Generated Node #0,3: 16:[86, 38, 64] Operation: 65-1=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[1, 38, 21], Operations: ['86-65=21'] Exploring Operation: 21-1=20, Resulting Numbers: [38, 20] Generated Node #0,1,0: 16:[38, 20] Operation: 21-1=20 Exploring Operation: 38-1=37, Resulting Numbers: [21, 37] Generated Node #0,1,1: 16:[21, 37] Operation: 38-1=37 Exploring Operation: 38-21=17, Resulting Numbers: [1, 17] Generated Node #0,1,2: 16:[1, 17] Operation: 38-21=17 Exploring Operation: 1*38=38, Resulting Numbers: [21, 38] Generated Node #0,1,3: 16:[21, 38] Operation: 1*38=38 Moving to Node #0,1,2 Current State: 16:[1, 17], Operations: ['86-65=21', '38-21=17'] Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[1, 65, 86, 38], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [1, 38, 21] Generated Node #0,1: 16:[1, 38, 21] Operation: 86-65=21 Moving to Node #0,1 Current State: 16:[1, 38, 21], Operations: ['86-65=21'] Exploring Operation: 38-21=17, Resulting Numbers: [1, 17] Generated Node #0,1,2: 16:[1, 17] Operation: 38-21=17 Moving to Node #0,1,2 Current State: 16:[1, 17], Operations: ['86-65=21', '38-21=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 68, 17, 5, 53 ]
73
[ "68/17=4", "5*4=20", "53+20=73" ]
Current State: 73:[68, 17, 5, 53], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [5, 53, 4] Generated Node #2: [5, 53, 4] from Operation: 68/17=4 Current State: 73:[5, 53, 4], Operations: ['68/17=4'] Exploring Operation: 5*4=20, Resulting Numbers: [53, 20] Generated Node #3: [53, 20] from Operation: 5*4=20 Current State: 73:[53, 20], Operations: ['68/17=4', '5*4=20'] Exploring Operation: 53+20=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[68, 17, 5, 53], Operations: [] Exploring Operation: 17*5=85, Resulting Numbers: [68, 53, 85] Generated Node #0,0: 73:[68, 53, 85] Operation: 17*5=85 Exploring Operation: 68+5=73, Resulting Numbers: [17, 53, 73] Generated Node #0,1: 73:[17, 53, 73] Operation: 68+5=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[68, 53, 85], Operations: ['17*5=85'] Exploring Operation: 85-53=32, Resulting Numbers: [68, 32] Generated Node #0,0,0: 73:[68, 32] Operation: 85-53=32 Exploring Operation: 68+53=121, Resulting Numbers: [85, 121] Generated Node #0,0,1: 73:[85, 121] Operation: 68+53=121 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[68, 32], Operations: ['17*5=85', '85-53=32'] Exploring Operation: 68+32=100, Resulting Numbers: [100] 100,73 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[85, 121], Operations: ['17*5=85', '68+53=121'] Exploring Operation: 121-85=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 85+121=206, Resulting Numbers: [206] 206,73 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: 73:[17, 53, 73], Operations: ['68+5=73'] Exploring Operation: 53-17=36, Resulting Numbers: [73, 36] Generated Node #0,1,0: 73:[73, 36] Operation: 53-17=36 Exploring Operation: 17+53=70, Resulting Numbers: [73, 70] Generated Node #0,1,1: 73:[73, 70] Operation: 17+53=70 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[73, 70], Operations: ['68+5=73', '17+53=70'] Exploring Operation: 73+70=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 73:[73, 36], Operations: ['68+5=73', '53-17=36'] Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 73+36=109, Resulting Numbers: [109] 109,73 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
[ 3, 53, 99, 41 ]
95
[ "53-41=12", "12/3=4", "99-4=95" ]
Current State: 95:[3, 53, 99, 41], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [3, 99, 12] Generated Node #2: [3, 99, 12] from Operation: 53-41=12 Current State: 95:[3, 99, 12], Operations: ['53-41=12'] Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #3: [99, 4] from Operation: 12/3=4 Current State: 95:[99, 4], Operations: ['53-41=12', '12/3=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[3, 53, 99, 41], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [3, 99, 12] Generated Node #0,0: 95:[3, 99, 12] Operation: 53-41=12 Exploring Operation: 53+41=94, Resulting Numbers: [3, 99, 94] Generated Node #0,1: 95:[3, 99, 94] Operation: 53+41=94 Exploring Operation: 99-53=46, Resulting Numbers: [3, 41, 46] Generated Node #0,2: 95:[3, 41, 46] Operation: 99-53=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[3, 99, 94], Operations: ['53+41=94'] Exploring Operation: 99-94=5, Resulting Numbers: [3, 5] Generated Node #0,1,0: 95:[3, 5] Operation: 99-94=5 Exploring Operation: 99-3=96, Resulting Numbers: [94, 96] Generated Node #0,1,1: 95:[94, 96] Operation: 99-3=96 Exploring Operation: 3+94=97, Resulting Numbers: [99, 97] Generated Node #0,1,2: 95:[99, 97] Operation: 3+94=97 Moving to Node #0,1,0 Current State: 95:[3, 5], Operations: ['53+41=94', '99-94=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,95 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,95 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[94, 96], Operations: ['53+41=94', '99-3=96'] Exploring Operation: 94+96=190, Resulting Numbers: [190] 190,95 unequal: No Solution Exploring Operation: 96-94=2, Resulting Numbers: [2] 2,95 unequal: No Solution Exploring Operation: 94*96=9024, Resulting Numbers: [9024] 9024,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[99, 97], Operations: ['53+41=94', '3+94=97'] Exploring Operation: 99*97=9603, Resulting Numbers: [9603] 9603,95 unequal: No Solution Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,95 unequal: No Solution Exploring Operation: 99+97=196, Resulting Numbers: [196] 196,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[3, 99, 12], Operations: ['53-41=12'] Exploring Operation: 99-3=96, Resulting Numbers: [12, 96] Generated Node #0,0,0: 95:[12, 96] Operation: 99-3=96 Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 95:[99, 4] Operation: 12/3=4 Exploring Operation: 3+12=15, Resulting Numbers: [99, 15] Generated Node #0,0,2: 95:[99, 15] Operation: 3+12=15 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[99, 4], Operations: ['53-41=12', '12/3=4'] Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,95 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[3, 53, 99, 41], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [3, 99, 12] Generated Node #0,0: 95:[3, 99, 12] Operation: 53-41=12 Moving to Node #0,0 Current State: 95:[3, 99, 12], Operations: ['53-41=12'] Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 95:[99, 4] Operation: 12/3=4 Moving to Node #0,0,1 Current State: 95:[99, 4], Operations: ['53-41=12', '12/3=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 7, 34, 47, 10 ]
21
[ "47-34=13", "13-10=3", "7*3=21" ]
Current State: 21:[7, 34, 47, 10], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [7, 10, 13] Generated Node #2: [7, 10, 13] from Operation: 47-34=13 Current State: 21:[7, 10, 13], Operations: ['47-34=13'] Exploring Operation: 13-10=3, Resulting Numbers: [7, 3] Generated Node #3: [7, 3] from Operation: 13-10=3 Current State: 21:[7, 3], Operations: ['47-34=13', '13-10=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[7, 34, 47, 10], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [7, 10, 13] Generated Node #0,0: 21:[7, 10, 13] Operation: 47-34=13 Moving to Node #0,0 Current State: 21:[7, 10, 13], Operations: ['47-34=13'] Exploring Operation: 13-10=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 21:[7, 3] Operation: 13-10=3 Moving to Node #0,0,0 Current State: 21:[7, 3], Operations: ['47-34=13', '13-10=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[7, 34, 47, 10], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [7, 10, 13] Generated Node #0,0: 21:[7, 10, 13] Operation: 47-34=13 Moving to Node #0,0 Current State: 21:[7, 10, 13], Operations: ['47-34=13'] Exploring Operation: 13-10=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 21:[7, 3] Operation: 13-10=3 Moving to Node #0,0,0 Current State: 21:[7, 3], Operations: ['47-34=13', '13-10=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 53, 54, 81, 9 ]
72
[ "54-53=1", "81-9=72", "1*72=72" ]
Current State: 72:[53, 54, 81, 9], Operations: [] Exploring Operation: 54-53=1, Resulting Numbers: [81, 9, 1] Generated Node #2: [81, 9, 1] from Operation: 54-53=1 Current State: 72:[81, 9, 1], Operations: ['54-53=1'] Exploring Operation: 81-9=72, Resulting Numbers: [1, 72] Generated Node #3: [1, 72] from Operation: 81-9=72 Current State: 72:[1, 72], Operations: ['54-53=1', '81-9=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[53, 54, 81, 9], Operations: [] Exploring Operation: 54-53=1, Resulting Numbers: [81, 9, 1] Generated Node #0,0: 72:[81, 9, 1] Operation: 54-53=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[81, 9, 1], Operations: ['54-53=1'] Exploring Operation: 81-9=72, Resulting Numbers: [1, 72] Generated Node #0,0,0: 72:[1, 72] Operation: 81-9=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[1, 72], Operations: ['54-53=1', '81-9=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[53, 54, 81, 9], Operations: [] Exploring Operation: 54-53=1, Resulting Numbers: [81, 9, 1] Generated Node #0,0: 72:[81, 9, 1] Operation: 54-53=1 Moving to Node #0,0 Current State: 72:[81, 9, 1], Operations: ['54-53=1'] Exploring Operation: 81-9=72, Resulting Numbers: [1, 72] Generated Node #0,0,0: 72:[1, 72] Operation: 81-9=72 Moving to Node #0,0,0 Current State: 72:[1, 72], Operations: ['54-53=1', '81-9=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 62, 95, 56 ]
77
[ "54+62=116", "95-56=39", "116-39=77" ]
Current State: 77:[54, 62, 95, 56], Operations: [] Exploring Operation: 54+62=116, Resulting Numbers: [95, 56, 116] Generated Node #2: [95, 56, 116] from Operation: 54+62=116 Current State: 77:[95, 56, 116], Operations: ['54+62=116'] Exploring Operation: 95-56=39, Resulting Numbers: [116, 39] Generated Node #3: [116, 39] from Operation: 95-56=39 Current State: 77:[116, 39], Operations: ['54+62=116', '95-56=39'] Exploring Operation: 116-39=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[54, 62, 95, 56], Operations: [] Exploring Operation: 54+56=110, Resulting Numbers: [62, 95, 110] Generated Node #0,0: 77:[62, 95, 110] Operation: 54+56=110 Exploring Operation: 62-54=8, Resulting Numbers: [95, 56, 8] Generated Node #0,1: 77:[95, 56, 8] Operation: 62-54=8 Exploring Operation: 56-54=2, Resulting Numbers: [62, 95, 2] Generated Node #0,2: 77:[62, 95, 2] Operation: 56-54=2 Exploring Operation: 95-54=41, Resulting Numbers: [62, 56, 41] Generated Node #0,3: 77:[62, 56, 41] Operation: 95-54=41 Exploring Operation: 62-56=6, Resulting Numbers: [54, 95, 6] Generated Node #0,4: 77:[54, 95, 6] Operation: 62-56=6 Moving to Node #0,2 Current State: 77:[62, 95, 2], Operations: ['56-54=2'] Exploring Operation: 95-62=33, Resulting Numbers: [2, 33] Generated Node #0,2,0: 77:[2, 33] Operation: 95-62=33 Exploring Operation: 95-2=93, Resulting Numbers: [62, 93] Generated Node #0,2,1: 77:[62, 93] Operation: 95-2=93 Exploring Operation: 95+2=97, Resulting Numbers: [62, 97] Generated Node #0,2,2: 77:[62, 97] Operation: 95+2=97 Exploring Operation: 62-2=60, Resulting Numbers: [95, 60] Generated Node #0,2,3: 77:[95, 60] Operation: 62-2=60 Exploring Operation: 62+2=64, Resulting Numbers: [95, 64] Generated Node #0,2,4: 77:[95, 64] Operation: 62+2=64 Moving to Node #0,1 Current State: 77:[95, 56, 8], Operations: ['62-54=8'] Exploring Operation: 95-56=39, Resulting Numbers: [8, 39] Generated Node #0,1,0: 77:[8, 39] Operation: 95-56=39 Exploring Operation: 95+8=103, Resulting Numbers: [56, 103] Generated Node #0,1,1: 77:[56, 103] Operation: 95+8=103 Exploring Operation: 56+8=64, Resulting Numbers: [95, 64] Generated Node #0,1,2: 77:[95, 64] Operation: 56+8=64 Exploring Operation: 95-8=87, Resulting Numbers: [56, 87] Generated Node #0,1,3: 77:[56, 87] Operation: 95-8=87 Exploring Operation: 56/8=7, Resulting Numbers: [95, 7] Generated Node #0,1,4: 77:[95, 7] Operation: 56/8=7 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 77:[95, 7], Operations: ['62-54=8', '56/8=7'] Exploring Operation: 95*7=665, Resulting Numbers: [665] 665,77 unequal: No Solution Exploring Operation: 95+7=102, Resulting Numbers: [102] 102,77 unequal: No Solution Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,77 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 #0,1,0 Current State: 77:[8, 39], Operations: ['62-54=8', '95-56=39'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,77 unequal: No Solution Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,77 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 #0,1,2 Current State: 77:[95, 64], Operations: ['62-54=8', '56+8=64'] Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 95+64=159, Resulting Numbers: [159] 159,77 unequal: No Solution Exploring Operation: 95*64=6080, Resulting Numbers: [6080] 6080,77 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 #0,1,3 Current State: 77:[56, 87], Operations: ['62-54=8', '95-8=87'] Exploring Operation: 56+87=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 56*87=4872, Resulting Numbers: [4872] 4872,77 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 #0,1,1 Current State: 77:[56, 103], Operations: ['62-54=8', '95+8=103'] Exploring Operation: 56+103=159, Resulting Numbers: [159] 159,77 unequal: No Solution Exploring Operation: 103-56=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 56*103=5768, Resulting Numbers: [5768] 5768,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 77:[54, 95, 6], Operations: ['62-56=6'] Exploring Operation: 95-6=89, Resulting Numbers: [54, 89] Generated Node #0,4,0: 77:[54, 89] Operation: 95-6=89 Exploring Operation: 54/6=9, Resulting Numbers: [95, 9] Generated Node #0,4,1: 77:[95, 9] Operation: 54/6=9 Exploring Operation: 54-6=48, Resulting Numbers: [95, 48] Generated Node #0,4,2: 77:[95, 48] Operation: 54-6=48 Exploring Operation: 95-54=41, Resulting Numbers: [6, 41] Generated Node #0,4,3: 77:[6, 41] Operation: 95-54=41 Exploring Operation: 54+6=60, Resulting Numbers: [95, 60] Generated Node #0,4,4: 77:[95, 60] Operation: 54+6=60 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[95, 9], Operations: ['62-56=6', '54/6=9'] Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,77 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,77 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 #0,4,3 Current State: 77:[6, 41], Operations: ['62-56=6', '95-54=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,77 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,77 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 #0,4,0 Current State: 77:[54, 89], Operations: ['62-56=6', '95-6=89'] Exploring Operation: 54*89=4806, Resulting Numbers: [4806] 4806,77 unequal: No Solution Exploring Operation: 89-54=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 54+89=143, Resulting Numbers: [143] 143,77 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 #0,4,4 Current State: 77:[95, 60], Operations: ['62-56=6', '54+6=60'] Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,77 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,77 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 #0,4,2 Current State: 77:[95, 48], Operations: ['62-56=6', '54-6=48'] Exploring Operation: 95+48=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 95*48=4560, Resulting Numbers: [4560] 4560,77 unequal: No Solution Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,77 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: 77:[62, 95, 110], Operations: ['54+56=110'] Exploring Operation: 62+110=172, Resulting Numbers: [95, 172] Generated Node #0,0,0: 77:[95, 172] Operation: 62+110=172 Exploring Operation: 62+95=157, Resulting Numbers: [110, 157] Generated Node #0,0,1: 77:[110, 157] Operation: 62+95=157 Exploring Operation: 110-95=15, Resulting Numbers: [62, 15] Generated Node #0,0,2: 77:[62, 15] Operation: 110-95=15 Exploring Operation: 110-62=48, Resulting Numbers: [95, 48] Generated Node #0,0,3: 77:[95, 48] Operation: 110-62=48 Exploring Operation: 95-62=33, Resulting Numbers: [110, 33] Generated Node #0,0,4: 77:[110, 33] Operation: 95-62=33 Moving to Node #0,3 Current State: 77:[62, 56, 41], Operations: ['95-54=41'] Exploring Operation: 62-56=6, Resulting Numbers: [41, 6] Generated Node #0,3,0: 77:[41, 6] Operation: 62-56=6 Exploring Operation: 56-41=15, Resulting Numbers: [62, 15] Generated Node #0,3,1: 77:[62, 15] Operation: 56-41=15 Exploring Operation: 62-41=21, Resulting Numbers: [56, 21] Generated Node #0,3,2: 77:[56, 21] Operation: 62-41=21 Exploring Operation: 56+41=97, Resulting Numbers: [62, 97] Generated Node #0,3,3: 77:[62, 97] Operation: 56+41=97 Exploring Operation: 62+41=103, Resulting Numbers: [56, 103] Generated Node #0,3,4: 77:[56, 103] Operation: 62+41=103 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[62, 15], Operations: ['95-54=41', '56-41=15'] Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,77 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[54, 62, 95, 56], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [62, 56, 41] Generated Node #0,3: 77:[62, 56, 41] Operation: 95-54=41 Moving to Node #0,3 Current State: 77:[62, 56, 41], Operations: ['95-54=41'] Exploring Operation: 56-41=15, Resulting Numbers: [62, 15] Generated Node #0,3,1: 77:[62, 15] Operation: 56-41=15 Moving to Node #0,3,1 Current State: 77:[62, 15], Operations: ['95-54=41', '56-41=15'] Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.94184
hs_5
mult_heuristic
[ 79, 58, 2, 55 ]
46
[ "79-55=24", "24/2=12", "58-12=46" ]
Current State: 46:[79, 58, 2, 55], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [58, 2, 24] Generated Node #2: [58, 2, 24] from Operation: 79-55=24 Current State: 46:[58, 2, 24], Operations: ['79-55=24'] Exploring Operation: 24/2=12, Resulting Numbers: [58, 12] Generated Node #3: [58, 12] from Operation: 24/2=12 Current State: 46:[58, 12], Operations: ['79-55=24', '24/2=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[79, 58, 2, 55], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [58, 2, 24] Generated Node #0,0: 46:[58, 2, 24] Operation: 79-55=24 Exploring Operation: 79-58=21, Resulting Numbers: [2, 55, 21] Generated Node #0,1: 46:[2, 55, 21] Operation: 79-58=21 Moving to Node #0,1 Current State: 46:[2, 55, 21], Operations: ['79-58=21'] Exploring Operation: 2+21=23, Resulting Numbers: [55, 23] Generated Node #0,1,0: 46:[55, 23] Operation: 2+21=23 Exploring Operation: 55-2=53, Resulting Numbers: [21, 53] Generated Node #0,1,1: 46:[21, 53] Operation: 55-2=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[55, 23], Operations: ['79-58=21', '2+21=23'] Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,46 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:[21, 53], Operations: ['79-58=21', '55-2=53'] Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,46 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,46 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:[58, 2, 24], Operations: ['79-55=24'] Exploring Operation: 58/2=29, Resulting Numbers: [24, 29] Generated Node #0,0,0: 46:[24, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [24, 56] Generated Node #0,0,1: 46:[24, 56] Operation: 58-2=56 Moving to Node #0,0,0 Current State: 46:[24, 29], Operations: ['79-55=24', '58/2=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[24, 56], Operations: ['79-55=24', '58-2=56'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,46 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 80, 26, 65 ]
45
[ "26-22=4", "80/4=20", "65-20=45" ]
Current State: 45:[22, 80, 26, 65], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [80, 65, 4] Generated Node #2: [80, 65, 4] from Operation: 26-22=4 Current State: 45:[80, 65, 4], Operations: ['26-22=4'] Exploring Operation: 80/4=20, Resulting Numbers: [65, 20] Generated Node #3: [65, 20] from Operation: 80/4=20 Current State: 45:[65, 20], Operations: ['26-22=4', '80/4=20'] Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[22, 80, 26, 65], Operations: [] Exploring Operation: 80-26=54, Resulting Numbers: [22, 65, 54] Generated Node #0,0: 45:[22, 65, 54] Operation: 80-26=54 Exploring Operation: 80-65=15, Resulting Numbers: [22, 26, 15] Generated Node #0,1: 45:[22, 26, 15] Operation: 80-65=15 Moving to Node #0,1 Current State: 45:[22, 26, 15], Operations: ['80-65=15'] Exploring Operation: 22+26=48, Resulting Numbers: [15, 48] Generated Node #0,1,0: 45:[15, 48] Operation: 22+26=48 Exploring Operation: 26-22=4, Resulting Numbers: [15, 4] Generated Node #0,1,1: 45:[15, 4] Operation: 26-22=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[15, 4], Operations: ['80-65=15', '26-22=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[15, 48], Operations: ['80-65=15', '22+26=48'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,45 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: 45:[22, 65, 54], Operations: ['80-26=54'] Exploring Operation: 65-22=43, Resulting Numbers: [54, 43] Generated Node #0,0,0: 45:[54, 43] Operation: 65-22=43 Exploring Operation: 65-54=11, Resulting Numbers: [22, 11] Generated Node #0,0,1: 45:[22, 11] Operation: 65-54=11 Moving to Node #0,0,1 Current State: 45:[22, 11], Operations: ['80-26=54', '65-54=11'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[54, 43], Operations: ['80-26=54', '65-22=43'] Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,45 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 56, 40, 62, 25 ]
71
[ "56-40=16", "62+25=87", "87-16=71" ]
Current State: 71:[56, 40, 62, 25], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [62, 25, 16] Generated Node #2: [62, 25, 16] from Operation: 56-40=16 Current State: 71:[62, 25, 16], Operations: ['56-40=16'] Exploring Operation: 62+25=87, Resulting Numbers: [16, 87] Generated Node #3: [16, 87] from Operation: 62+25=87 Current State: 71:[16, 87], Operations: ['56-40=16', '62+25=87'] Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[56, 40, 62, 25], Operations: [] Exploring Operation: 40+25=65, Resulting Numbers: [56, 62, 65] Generated Node #0,0: 71:[56, 62, 65] Operation: 40+25=65 Moving to Node #0,0 Current State: 71:[56, 62, 65], Operations: ['40+25=65'] Exploring Operation: 56+62=118, Resulting Numbers: [65, 118] Generated Node #0,0,0: 71:[65, 118] Operation: 56+62=118 Moving to Node #0,0,0 Current State: 71:[65, 118], Operations: ['40+25=65', '56+62=118'] Exploring Operation: 118-65=53, Resulting Numbers: [53] 53,71 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 28, 26, 68, 4 ]
37
[ "28+26=54", "68/4=17", "54-17=37" ]
Current State: 37:[28, 26, 68, 4], Operations: [] Exploring Operation: 28+26=54, Resulting Numbers: [68, 4, 54] Generated Node #2: [68, 4, 54] from Operation: 28+26=54 Current State: 37:[68, 4, 54], Operations: ['28+26=54'] Exploring Operation: 68/4=17, Resulting Numbers: [54, 17] Generated Node #3: [54, 17] from Operation: 68/4=17 Current State: 37:[54, 17], Operations: ['28+26=54', '68/4=17'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[28, 26, 68, 4], Operations: [] Exploring Operation: 68-26=42, Resulting Numbers: [28, 4, 42] Generated Node #0,0: 37:[28, 4, 42] Operation: 68-26=42 Exploring Operation: 68-28=40, Resulting Numbers: [26, 4, 40] Generated Node #0,1: 37:[26, 4, 40] Operation: 68-28=40 Exploring Operation: 68/4=17, Resulting Numbers: [28, 26, 17] Generated Node #0,2: 37:[28, 26, 17] Operation: 68/4=17 Exploring Operation: 28+4=32, Resulting Numbers: [26, 68, 32] Generated Node #0,3: 37:[26, 68, 32] Operation: 28+4=32 Moving to Node #0,2 Current State: 37:[28, 26, 17], Operations: ['68/4=17'] Exploring Operation: 28+17=45, Resulting Numbers: [26, 45] Generated Node #0,2,0: 37:[26, 45] Operation: 28+17=45 Exploring Operation: 28-17=11, Resulting Numbers: [26, 11] Generated Node #0,2,1: 37:[26, 11] Operation: 28-17=11 Exploring Operation: 28+26=54, Resulting Numbers: [17, 54] Generated Node #0,2,2: 37:[17, 54] Operation: 28+26=54 Exploring Operation: 26+17=43, Resulting Numbers: [28, 43] Generated Node #0,2,3: 37:[28, 43] Operation: 26+17=43 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 37:[28, 43], Operations: ['68/4=17', '26+17=43'] Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,37 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[26, 45], Operations: ['68/4=17', '28+17=45'] Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 26*45=1170, Resulting Numbers: [1170] 1170,37 unequal: No Solution Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[26, 11], Operations: ['68/4=17', '28-17=11'] Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,37 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[28, 26, 68, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [28, 26, 17] Generated Node #0,2: 37:[28, 26, 17] Operation: 68/4=17 Moving to Node #0,2 Current State: 37:[28, 26, 17], Operations: ['68/4=17'] Exploring Operation: 28-17=11, Resulting Numbers: [26, 11] Generated Node #0,2,1: 37:[26, 11] Operation: 28-17=11 Moving to Node #0,2,1 Current State: 37:[26, 11], Operations: ['68/4=17', '28-17=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 7, 6, 28, 85 ]
90
[ "85-7=78", "6*28=168", "168-78=90" ]
Current State: 90:[7, 6, 28, 85], Operations: [] Exploring Operation: 85-7=78, Resulting Numbers: [6, 28, 78] Generated Node #2: [6, 28, 78] from Operation: 85-7=78 Current State: 90:[6, 28, 78], Operations: ['85-7=78'] Exploring Operation: 6*28=168, Resulting Numbers: [78, 168] Generated Node #3: [78, 168] from Operation: 6*28=168 Current State: 90:[78, 168], Operations: ['85-7=78', '6*28=168'] Exploring Operation: 168-78=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[7, 6, 28, 85], Operations: [] Exploring Operation: 7+85=92, Resulting Numbers: [6, 28, 92] Generated Node #0,0: 90:[6, 28, 92] Operation: 7+85=92 Exploring Operation: 28/7=4, Resulting Numbers: [6, 85, 4] Generated Node #0,1: 90:[6, 85, 4] Operation: 28/7=4 Exploring Operation: 7-6=1, Resulting Numbers: [28, 85, 1] Generated Node #0,2: 90:[28, 85, 1] Operation: 7-6=1 Exploring Operation: 6+85=91, Resulting Numbers: [7, 28, 91] Generated Node #0,3: 90:[7, 28, 91] Operation: 6+85=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[6, 28, 92], Operations: ['7+85=92'] Exploring Operation: 92-6=86, Resulting Numbers: [28, 86] Generated Node #0,0,0: 90:[28, 86] Operation: 92-6=86 Exploring Operation: 6+92=98, Resulting Numbers: [28, 98] Generated Node #0,0,1: 90:[28, 98] Operation: 6+92=98 Exploring Operation: 6+28=34, Resulting Numbers: [92, 34] Generated Node #0,0,2: 90:[92, 34] Operation: 6+28=34 Exploring Operation: 28-6=22, Resulting Numbers: [92, 22] Generated Node #0,0,3: 90:[92, 22] Operation: 28-6=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[28, 86], Operations: ['7+85=92', '92-6=86'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,90 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[92, 34], Operations: ['7+85=92', '6+28=34'] Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 92*34=3128, Resulting Numbers: [3128] 3128,90 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[92, 22], Operations: ['7+85=92', '28-6=22'] Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[28, 98], Operations: ['7+85=92', '6+92=98'] Exploring Operation: 28*98=2744, Resulting Numbers: [2744] 2744,90 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 28+98=126, Resulting Numbers: [126] 126,90 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 #0,3 Current State: 90:[7, 28, 91], Operations: ['6+85=91'] Exploring Operation: 91/7=13, Resulting Numbers: [28, 13] Generated Node #0,3,0: 90:[28, 13] Operation: 91/7=13 Exploring Operation: 7+28=35, Resulting Numbers: [91, 35] Generated Node #0,3,1: 90:[91, 35] Operation: 7+28=35 Exploring Operation: 28/7=4, Resulting Numbers: [91, 4] Generated Node #0,3,2: 90:[91, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [91, 21] Generated Node #0,3,3: 90:[91, 21] Operation: 28-7=21 Moving to Node #0,3,2 Current State: 90:[91, 4], Operations: ['6+85=91', '28/7=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,90 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,90 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[91, 21], Operations: ['6+85=91', '28-7=21'] Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 91*21=1911, Resulting Numbers: [1911] 1911,90 unequal: No Solution Exploring Operation: 91+21=112, Resulting Numbers: [112] 112,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[28, 13], Operations: ['6+85=91', '91/7=13'] Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,90 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[91, 35], Operations: ['6+85=91', '7+28=35'] Exploring Operation: 91+35=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 91*35=3185, Resulting Numbers: [3185] 3185,90 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:[6, 85, 4], Operations: ['28/7=4'] Exploring Operation: 85+4=89, Resulting Numbers: [6, 89] Generated Node #0,1,0: 90:[6, 89] Operation: 85+4=89 Exploring Operation: 6+4=10, Resulting Numbers: [85, 10] Generated Node #0,1,1: 90:[85, 10] Operation: 6+4=10 Exploring Operation: 6+85=91, Resulting Numbers: [4, 91] Generated Node #0,1,2: 90:[4, 91] Operation: 6+85=91 Exploring Operation: 6-4=2, Resulting Numbers: [85, 2] Generated Node #0,1,3: 90:[85, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[6, 89], Operations: ['28/7=4', '85+4=89'] Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,90 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[4, 91], Operations: ['28/7=4', '6+85=91'] Exploring Operation: 4+91=95, Resulting Numbers: [95] 95,90 unequal: No Solution Exploring Operation: 4*91=364, Resulting Numbers: [364] 364,90 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[85, 10], Operations: ['28/7=4', '6+4=10'] Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,90 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[85, 2], Operations: ['28/7=4', '6-4=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,90 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[28, 85, 1], Operations: ['7-6=1'] Exploring Operation: 28*1=28, Resulting Numbers: [85, 28] Generated Node #0,2,0: 90:[85, 28] Operation: 28*1=28 Exploring Operation: 28+1=29, Resulting Numbers: [85, 29] Generated Node #0,2,1: 90:[85, 29] Operation: 28+1=29 Exploring Operation: 28/1=28, Resulting Numbers: [85, 28] Generated Node #0,2,2: 90:[85, 28] Operation: 28/1=28 Exploring Operation: 85+1=86, Resulting Numbers: [28, 86] Generated Node #0,2,3: 90:[28, 86] Operation: 85+1=86 Moving to Node #0,2,1 Current State: 90:[85, 29], Operations: ['7-6=1', '28+1=29'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 85+29=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 85*29=2465, Resulting Numbers: [2465] 2465,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[28, 86], Operations: ['7-6=1', '85+1=86'] Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[85, 28], Operations: ['7-6=1', '28/1=28'] Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,90 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,90 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[85, 28], Operations: ['7-6=1', '28*1=28'] Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,90 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 5, 71, 40, 3 ]
46
[ "5*3=15", "71-40=31", "15+31=46" ]
Current State: 46:[5, 71, 40, 3], Operations: [] Exploring Operation: 5*3=15, Resulting Numbers: [71, 40, 15] Generated Node #2: [71, 40, 15] from Operation: 5*3=15 Current State: 46:[71, 40, 15], Operations: ['5*3=15'] Exploring Operation: 71-40=31, Resulting Numbers: [15, 31] Generated Node #3: [15, 31] from Operation: 71-40=31 Current State: 46:[15, 31], Operations: ['5*3=15', '71-40=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[5, 71, 40, 3], Operations: [] Exploring Operation: 71-5=66, Resulting Numbers: [40, 3, 66] Generated Node #0,0: 46:[40, 3, 66] Operation: 71-5=66 Exploring Operation: 5+40=45, Resulting Numbers: [71, 3, 45] Generated Node #0,1: 46:[71, 3, 45] Operation: 5+40=45 Exploring Operation: 71-40=31, Resulting Numbers: [5, 3, 31] Generated Node #0,2: 46:[5, 3, 31] Operation: 71-40=31 Moving to Node #0,2 Current State: 46:[5, 3, 31], Operations: ['71-40=31'] Exploring Operation: 5-3=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 46:[31, 2] Operation: 5-3=2 Exploring Operation: 31-3=28, Resulting Numbers: [5, 28] Generated Node #0,2,1: 46:[5, 28] Operation: 31-3=28 Exploring Operation: 31-5=26, Resulting Numbers: [3, 26] Generated Node #0,2,2: 46:[3, 26] Operation: 31-5=26 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 46:[3, 26], Operations: ['71-40=31', '31-5=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 46:[31, 2], Operations: ['71-40=31', '5-3=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 46:[5, 28], Operations: ['71-40=31', '31-3=28'] Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,46 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:[40, 3, 66], Operations: ['71-5=66'] Exploring Operation: 66-40=26, Resulting Numbers: [3, 26] Generated Node #0,0,0: 46:[3, 26] Operation: 66-40=26 Exploring Operation: 40+3=43, Resulting Numbers: [66, 43] Generated Node #0,0,1: 46:[66, 43] Operation: 40+3=43 Exploring Operation: 66/3=22, Resulting Numbers: [40, 22] Generated Node #0,0,2: 46:[40, 22] Operation: 66/3=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[3, 26], Operations: ['71-5=66', '66-40=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,46 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:[40, 22], Operations: ['71-5=66', '66/3=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,46 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,46 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:[66, 43], Operations: ['71-5=66', '40+3=43'] Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 66*43=2838, Resulting Numbers: [2838] 2838,46 unequal: No Solution Exploring Operation: 66+43=109, Resulting Numbers: [109] 109,46 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: 46:[71, 3, 45], Operations: ['5+40=45'] Exploring Operation: 71-3=68, Resulting Numbers: [45, 68] Generated Node #0,1,0: 46:[45, 68] Operation: 71-3=68 Exploring Operation: 3+45=48, Resulting Numbers: [71, 48] Generated Node #0,1,1: 46:[71, 48] Operation: 3+45=48 Exploring Operation: 71-45=26, Resulting Numbers: [3, 26] Generated Node #0,1,2: 46:[3, 26] Operation: 71-45=26 Moving to Node #0,1,2 Current State: 46:[3, 26], Operations: ['5+40=45', '71-45=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[45, 68], Operations: ['5+40=45', '71-3=68'] Exploring Operation: 45+68=113, Resulting Numbers: [113] 113,46 unequal: No Solution Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 45*68=3060, Resulting Numbers: [3060] 3060,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[71, 48], Operations: ['5+40=45', '3+45=48'] Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 71*48=3408, Resulting Numbers: [3408] 3408,46 unequal: No Solution Exploring Operation: 71+48=119, Resulting Numbers: [119] 119,46 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 21, 80, 3, 48 ]
89
[ "48-21=27", "27/3=9", "80+9=89" ]
Current State: 89:[21, 80, 3, 48], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [80, 3, 27] Generated Node #2: [80, 3, 27] from Operation: 48-21=27 Current State: 89:[80, 3, 27], Operations: ['48-21=27'] Exploring Operation: 27/3=9, Resulting Numbers: [80, 9] Generated Node #3: [80, 9] from Operation: 27/3=9 Current State: 89:[80, 9], Operations: ['48-21=27', '27/3=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[21, 80, 3, 48], Operations: [] Exploring Operation: 21*3=63, Resulting Numbers: [80, 48, 63] Generated Node #0,0: 89:[80, 48, 63] Operation: 21*3=63 Exploring Operation: 21+3=24, Resulting Numbers: [80, 48, 24] Generated Node #0,1: 89:[80, 48, 24] Operation: 21+3=24 Exploring Operation: 21+48=69, Resulting Numbers: [80, 3, 69] Generated Node #0,2: 89:[80, 3, 69] Operation: 21+48=69 Moving to Node #0,0 Current State: 89:[80, 48, 63], Operations: ['21*3=63'] Exploring Operation: 80+48=128, Resulting Numbers: [63, 128] Generated Node #0,0,0: 89:[63, 128] Operation: 80+48=128 Exploring Operation: 80-48=32, Resulting Numbers: [63, 32] Generated Node #0,0,1: 89:[63, 32] Operation: 80-48=32 Exploring Operation: 48+63=111, Resulting Numbers: [80, 111] Generated Node #0,0,2: 89:[80, 111] Operation: 48+63=111 Moving to Node #0,1 Current State: 89:[80, 48, 24], Operations: ['21+3=24'] Exploring Operation: 80-24=56, Resulting Numbers: [48, 56] Generated Node #0,1,0: 89:[48, 56] Operation: 80-24=56 Exploring Operation: 48+24=72, Resulting Numbers: [80, 72] Generated Node #0,1,1: 89:[80, 72] Operation: 48+24=72 Exploring Operation: 80+24=104, Resulting Numbers: [48, 104] Generated Node #0,1,2: 89:[48, 104] Operation: 80+24=104 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[80, 72], Operations: ['21+3=24', '48+24=72'] Exploring Operation: 80-72=8, Resulting Numbers: [8] 8,89 unequal: No Solution Exploring Operation: 80+72=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 80*72=5760, Resulting Numbers: [5760] 5760,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[48, 104], Operations: ['21+3=24', '80+24=104'] Exploring Operation: 48+104=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 48*104=4992, Resulting Numbers: [4992] 4992,89 unequal: No Solution Exploring Operation: 104-48=56, Resulting Numbers: [56] 56,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[48, 56], Operations: ['21+3=24', '80-24=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,89 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,89 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 89:[80, 3, 69], Operations: ['21+48=69'] Exploring Operation: 80+3=83, Resulting Numbers: [69, 83] Generated Node #0,2,0: 89:[69, 83] Operation: 80+3=83 Exploring Operation: 80-3=77, Resulting Numbers: [69, 77] Generated Node #0,2,1: 89:[69, 77] Operation: 80-3=77 Exploring Operation: 3+69=72, Resulting Numbers: [80, 72] Generated Node #0,2,2: 89:[80, 72] Operation: 3+69=72 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[69, 83], Operations: ['21+48=69', '80+3=83'] Exploring Operation: 69+83=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 83-69=14, Resulting Numbers: [14] 14,89 unequal: No Solution Exploring Operation: 69*83=5727, Resulting Numbers: [5727] 5727,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[80, 72], Operations: ['21+48=69', '3+69=72'] Exploring Operation: 80+72=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 80-72=8, Resulting Numbers: [8] 8,89 unequal: No Solution Exploring Operation: 80*72=5760, Resulting Numbers: [5760] 5760,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[69, 77], Operations: ['21+48=69', '80-3=77'] Exploring Operation: 69*77=5313, Resulting Numbers: [5313] 5313,89 unequal: No Solution Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,89 unequal: No Solution Exploring Operation: 69+77=146, Resulting Numbers: [146] 146,89 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: 89:[80, 111], Operations: ['21*3=63', '48+63=111'] Exploring Operation: 80*111=8880, Resulting Numbers: [8880] 8880,89 unequal: No Solution Exploring Operation: 111-80=31, Resulting Numbers: [31] 31,89 unequal: No Solution Exploring Operation: 80+111=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[63, 128], Operations: ['21*3=63', '80+48=128'] Exploring Operation: 63*128=8064, Resulting Numbers: [8064] 8064,89 unequal: No Solution Exploring Operation: 128-63=65, Resulting Numbers: [65] 65,89 unequal: No Solution Exploring Operation: 63+128=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[63, 32], Operations: ['21*3=63', '80-48=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,89 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,89 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,89 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 38, 83, 29, 31 ]
32
[ "83+31=114", "114/38=3", "29+3=32" ]
Current State: 32:[38, 83, 29, 31], Operations: [] Exploring Operation: 83+31=114, Resulting Numbers: [38, 29, 114] Generated Node #2: [38, 29, 114] from Operation: 83+31=114 Current State: 32:[38, 29, 114], Operations: ['83+31=114'] Exploring Operation: 114/38=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 114/38=3 Current State: 32:[29, 3], Operations: ['83+31=114', '114/38=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[38, 83, 29, 31], Operations: [] Exploring Operation: 83-31=52, Resulting Numbers: [38, 29, 52] Generated Node #0,0: 32:[38, 29, 52] Operation: 83-31=52 Exploring Operation: 83-38=45, Resulting Numbers: [29, 31, 45] Generated Node #0,1: 32:[29, 31, 45] Operation: 83-38=45 Exploring Operation: 38-29=9, Resulting Numbers: [83, 31, 9] Generated Node #0,2: 32:[83, 31, 9] Operation: 38-29=9 Exploring Operation: 83-29=54, Resulting Numbers: [38, 31, 54] Generated Node #0,3: 32:[38, 31, 54] Operation: 83-29=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[29, 31, 45], Operations: ['83-38=45'] Exploring Operation: 45-29=16, Resulting Numbers: [31, 16] Generated Node #0,1,0: 32:[31, 16] Operation: 45-29=16 Exploring Operation: 45-31=14, Resulting Numbers: [29, 14] Generated Node #0,1,1: 32:[29, 14] Operation: 45-31=14 Exploring Operation: 29+31=60, Resulting Numbers: [45, 60] Generated Node #0,1,2: 32:[45, 60] Operation: 29+31=60 Exploring Operation: 31-29=2, Resulting Numbers: [45, 2] Generated Node #0,1,3: 32:[45, 2] Operation: 31-29=2 Moving to Node #0,1,0 Current State: 32:[31, 16], Operations: ['83-38=45', '45-29=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,32 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[29, 14], Operations: ['83-38=45', '45-31=14'] Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,32 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[45, 2], Operations: ['83-38=45', '31-29=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,32 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[45, 60], Operations: ['83-38=45', '29+31=60'] Exploring Operation: 45+60=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 60-45=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 45*60=2700, Resulting Numbers: [2700] 2700,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[38, 29, 52], Operations: ['83-31=52'] Exploring Operation: 38+29=67, Resulting Numbers: [52, 67] Generated Node #0,0,0: 32:[52, 67] Operation: 38+29=67 Exploring Operation: 52-38=14, Resulting Numbers: [29, 14] Generated Node #0,0,1: 32:[29, 14] Operation: 52-38=14 Exploring Operation: 52-29=23, Resulting Numbers: [38, 23] Generated Node #0,0,2: 32:[38, 23] Operation: 52-29=23 Exploring Operation: 38-29=9, Resulting Numbers: [52, 9] Generated Node #0,0,3: 32:[52, 9] Operation: 38-29=9 Moving to Node #0,0,1 Current State: 32:[29, 14], Operations: ['83-31=52', '52-38=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,32 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[38, 23], Operations: ['83-31=52', '52-29=23'] Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[52, 9], Operations: ['83-31=52', '38-29=9'] Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,32 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[52, 67], Operations: ['83-31=52', '38+29=67'] Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 52+67=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 52*67=3484, Resulting Numbers: [3484] 3484,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[38, 31, 54], Operations: ['83-29=54'] Exploring Operation: 38-31=7, Resulting Numbers: [54, 7] Generated Node #0,3,0: 32:[54, 7] Operation: 38-31=7 Exploring Operation: 54-31=23, Resulting Numbers: [38, 23] Generated Node #0,3,1: 32:[38, 23] Operation: 54-31=23 Exploring Operation: 38+31=69, Resulting Numbers: [54, 69] Generated Node #0,3,2: 32:[54, 69] Operation: 38+31=69 Exploring Operation: 54-38=16, Resulting Numbers: [31, 16] Generated Node #0,3,3: 32:[31, 16] Operation: 54-38=16 Moving to Node #0,3,3 Current State: 32:[31, 16], Operations: ['83-29=54', '54-38=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[38, 23], Operations: ['83-29=54', '54-31=23'] Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,32 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[54, 7], Operations: ['83-29=54', '38-31=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[54, 69], Operations: ['83-29=54', '38+31=69'] Exploring Operation: 54+69=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 54*69=3726, Resulting Numbers: [3726] 3726,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[83, 31, 9], Operations: ['38-29=9'] Exploring Operation: 31-9=22, Resulting Numbers: [83, 22] Generated Node #0,2,0: 32:[83, 22] Operation: 31-9=22 Exploring Operation: 83-31=52, Resulting Numbers: [9, 52] Generated Node #0,2,1: 32:[9, 52] Operation: 83-31=52 Exploring Operation: 31+9=40, Resulting Numbers: [83, 40] Generated Node #0,2,2: 32:[83, 40] Operation: 31+9=40 Exploring Operation: 83-9=74, Resulting Numbers: [31, 74] Generated Node #0,2,3: 32:[31, 74] Operation: 83-9=74 Moving to Node #0,2,1 Current State: 32:[9, 52], Operations: ['38-29=9', '83-31=52'] Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,32 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[31, 74], Operations: ['38-29=9', '83-9=74'] Exploring Operation: 31*74=2294, Resulting Numbers: [2294] 2294,32 unequal: No Solution Exploring Operation: 31+74=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[83, 22], Operations: ['38-29=9', '31-9=22'] Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,32 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[83, 40], Operations: ['38-29=9', '31+9=40'] Exploring Operation: 83+40=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 83*40=3320, Resulting Numbers: [3320] 3320,32 unequal: No Solution Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 31, 2, 93, 43 ]
81
[ "93-31=62", "2*62=124", "124-43=81" ]
Current State: 81:[31, 2, 93, 43], Operations: [] Exploring Operation: 93-31=62, Resulting Numbers: [2, 43, 62] Generated Node #2: [2, 43, 62] from Operation: 93-31=62 Current State: 81:[2, 43, 62], Operations: ['93-31=62'] Exploring Operation: 2*62=124, Resulting Numbers: [43, 124] Generated Node #3: [43, 124] from Operation: 2*62=124 Current State: 81:[43, 124], Operations: ['93-31=62', '2*62=124'] Exploring Operation: 124-43=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[31, 2, 93, 43], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [2, 93, 12] Generated Node #0,0: 81:[2, 93, 12] Operation: 43-31=12 Moving to Node #0,0 Current State: 81:[2, 93, 12], Operations: ['43-31=12'] Exploring Operation: 93-12=81, Resulting Numbers: [2, 81] Generated Node #0,0,0: 81:[2, 81] Operation: 93-12=81 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[2, 81], Operations: ['43-31=12', '93-12=81'] Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,81 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
[ 97, 63, 49, 56 ]
71
[ "97-63=34", "49+56=105", "105-34=71" ]
Current State: 71:[97, 63, 49, 56], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [49, 56, 34] Generated Node #2: [49, 56, 34] from Operation: 97-63=34 Current State: 71:[49, 56, 34], Operations: ['97-63=34'] Exploring Operation: 49+56=105, Resulting Numbers: [34, 105] Generated Node #3: [34, 105] from Operation: 49+56=105 Current State: 71:[34, 105], Operations: ['97-63=34', '49+56=105'] Exploring Operation: 105-34=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[97, 63, 49, 56], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [63, 56, 48] Generated Node #0,0: 71:[63, 56, 48] Operation: 97-49=48 Exploring Operation: 97-56=41, Resulting Numbers: [63, 49, 41] Generated Node #0,1: 71:[63, 49, 41] Operation: 97-56=41 Exploring Operation: 49+56=105, Resulting Numbers: [97, 63, 105] Generated Node #0,2: 71:[97, 63, 105] Operation: 49+56=105 Moving to Node #0,0 Current State: 71:[63, 56, 48], Operations: ['97-49=48'] Exploring Operation: 56+48=104, Resulting Numbers: [63, 104] Generated Node #0,0,0: 71:[63, 104] Operation: 56+48=104 Exploring Operation: 63+56=119, Resulting Numbers: [48, 119] Generated Node #0,0,1: 71:[48, 119] Operation: 63+56=119 Exploring Operation: 63+48=111, Resulting Numbers: [56, 111] Generated Node #0,0,2: 71:[56, 111] Operation: 63+48=111 Moving to Node #0,1 Current State: 71:[63, 49, 41], Operations: ['97-56=41'] Exploring Operation: 49+41=90, Resulting Numbers: [63, 90] Generated Node #0,1,0: 71:[63, 90] Operation: 49+41=90 Exploring Operation: 63+49=112, Resulting Numbers: [41, 112] Generated Node #0,1,1: 71:[41, 112] Operation: 63+49=112 Exploring Operation: 63+41=104, Resulting Numbers: [49, 104] Generated Node #0,1,2: 71:[49, 104] Operation: 63+41=104 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[63, 90], Operations: ['97-56=41', '49+41=90'] Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 63+90=153, Resulting Numbers: [153] 153,71 unequal: No Solution Exploring Operation: 63*90=5670, Resulting Numbers: [5670] 5670,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[49, 104], Operations: ['97-56=41', '63+41=104'] Exploring Operation: 49*104=5096, Resulting Numbers: [5096] 5096,71 unequal: No Solution Exploring Operation: 104-49=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 49+104=153, Resulting Numbers: [153] 153,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[41, 112], Operations: ['97-56=41', '63+49=112'] Exploring Operation: 41+112=153, Resulting Numbers: [153] 153,71 unequal: No Solution Exploring Operation: 41*112=4592, Resulting Numbers: [4592] 4592,71 unequal: No Solution Exploring Operation: 112-41=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[97, 63, 49, 56], Operations: [] Exploring Operation: 97-56=41, Resulting Numbers: [63, 49, 41] Generated Node #0,1: 71:[63, 49, 41] Operation: 97-56=41 Moving to Node #0,1 Current State: 71:[63, 49, 41], Operations: ['97-56=41'] Exploring Operation: 63+49=112, Resulting Numbers: [41, 112] Generated Node #0,1,1: 71:[41, 112] Operation: 63+49=112 Moving to Node #0,1,1 Current State: 71:[41, 112], Operations: ['97-56=41', '63+49=112'] Exploring Operation: 112-41=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
sum_heuristic
[ 22, 34, 76, 27 ]
17
[ "76-22=54", "34*27=918", "918/54=17" ]
Current State: 17:[22, 34, 76, 27], Operations: [] Exploring Operation: 76-22=54, Resulting Numbers: [34, 27, 54] Generated Node #2: [34, 27, 54] from Operation: 76-22=54 Current State: 17:[34, 27, 54], Operations: ['76-22=54'] Exploring Operation: 34*27=918, Resulting Numbers: [54, 918] Generated Node #3: [54, 918] from Operation: 34*27=918 Current State: 17:[54, 918], Operations: ['76-22=54', '34*27=918'] Exploring Operation: 918/54=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[22, 34, 76, 27], Operations: [] Exploring Operation: 76-27=49, Resulting Numbers: [22, 34, 49] Generated Node #0,0: 17:[22, 34, 49] Operation: 76-27=49 Exploring Operation: 76-34=42, Resulting Numbers: [22, 27, 42] Generated Node #0,1: 17:[22, 27, 42] Operation: 76-34=42 Moving to Node #0,1 Current State: 17:[22, 27, 42], Operations: ['76-34=42'] Exploring Operation: 42-27=15, Resulting Numbers: [22, 15] Generated Node #0,1,0: 17:[22, 15] Operation: 42-27=15 Exploring Operation: 42-22=20, Resulting Numbers: [27, 20] Generated Node #0,1,1: 17:[27, 20] Operation: 42-22=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[22, 15], Operations: ['76-34=42', '42-27=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[27, 20], Operations: ['76-34=42', '42-22=20'] Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,17 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 17:[22, 34, 49], Operations: ['76-27=49'] Exploring Operation: 49-22=27, Resulting Numbers: [34, 27] Generated Node #0,0,0: 17:[34, 27] Operation: 49-22=27 Exploring Operation: 49-34=15, Resulting Numbers: [22, 15] Generated Node #0,0,1: 17:[22, 15] Operation: 49-34=15 Moving to Node #0,0,1 Current State: 17:[22, 15], Operations: ['76-27=49', '49-34=15'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[34, 27], Operations: ['76-27=49', '49-22=27'] Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,17 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 96, 91, 37, 26 ]
55
[ "96-91=5", "37-26=11", "5*11=55" ]
Current State: 55:[96, 91, 37, 26], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [37, 26, 5] Generated Node #2: [37, 26, 5] from Operation: 96-91=5 Current State: 55:[37, 26, 5], Operations: ['96-91=5'] Exploring Operation: 37-26=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 37-26=11 Current State: 55:[5, 11], Operations: ['96-91=5', '37-26=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[96, 91, 37, 26], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [37, 26, 5] Generated Node #0,0: 55:[37, 26, 5] Operation: 96-91=5 Moving to Node #0,0 Current State: 55:[37, 26, 5], Operations: ['96-91=5'] Exploring Operation: 37-26=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 55:[5, 11] Operation: 37-26=11 Moving to Node #0,0,0 Current State: 55:[5, 11], Operations: ['96-91=5', '37-26=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[96, 91, 37, 26], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [37, 26, 5] Generated Node #0,0: 55:[37, 26, 5] Operation: 96-91=5 Moving to Node #0,0 Current State: 55:[37, 26, 5], Operations: ['96-91=5'] Exploring Operation: 37-26=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 55:[5, 11] Operation: 37-26=11 Moving to Node #0,0,0 Current State: 55:[5, 11], Operations: ['96-91=5', '37-26=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 60, 43, 50, 2 ]
76
[ "60-50=10", "43*2=86", "86-10=76" ]
Current State: 76:[60, 43, 50, 2], Operations: [] Exploring Operation: 60-50=10, Resulting Numbers: [43, 2, 10] Generated Node #2: [43, 2, 10] from Operation: 60-50=10 Current State: 76:[43, 2, 10], Operations: ['60-50=10'] Exploring Operation: 43*2=86, Resulting Numbers: [10, 86] Generated Node #3: [10, 86] from Operation: 43*2=86 Current State: 76:[10, 86], Operations: ['60-50=10', '43*2=86'] Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[60, 43, 50, 2], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [43, 50, 30] Generated Node #0,0: 76:[43, 50, 30] Operation: 60/2=30 Exploring Operation: 50-43=7, Resulting Numbers: [60, 2, 7] Generated Node #0,1: 76:[60, 2, 7] Operation: 50-43=7 Exploring Operation: 50/2=25, Resulting Numbers: [60, 43, 25] Generated Node #0,2: 76:[60, 43, 25] Operation: 50/2=25 Exploring Operation: 60-50=10, Resulting Numbers: [43, 2, 10] Generated Node #0,3: 76:[43, 2, 10] Operation: 60-50=10 Exploring Operation: 60-43=17, Resulting Numbers: [50, 2, 17] Generated Node #0,4: 76:[50, 2, 17] Operation: 60-43=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[43, 2, 10], Operations: ['60-50=10'] Exploring Operation: 10-2=8, Resulting Numbers: [43, 8] Generated Node #0,3,0: 76:[43, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [43, 5] Generated Node #0,3,1: 76:[43, 5] Operation: 10/2=5 Exploring Operation: 43-2=41, Resulting Numbers: [10, 41] Generated Node #0,3,2: 76:[10, 41] Operation: 43-2=41 Exploring Operation: 2*10=20, Resulting Numbers: [43, 20] Generated Node #0,3,3: 76:[43, 20] Operation: 2*10=20 Exploring Operation: 43-10=33, Resulting Numbers: [2, 33] Generated Node #0,3,4: 76:[2, 33] Operation: 43-10=33 Moving to Node #0,3,4 Current State: 76:[2, 33], Operations: ['60-50=10', '43-10=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[43, 20], Operations: ['60-50=10', '2*10=20'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 43*20=860, Resulting Numbers: [860] 860,76 unequal: No Solution Exploring Operation: 43+20=63, Resulting Numbers: [63] 63,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[43, 5], Operations: ['60-50=10', '10/2=5'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 43+5=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 43*5=215, Resulting Numbers: [215] 215,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[43, 8], Operations: ['60-50=10', '10-2=8'] Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,76 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 43*8=344, Resulting Numbers: [344] 344,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[10, 41], Operations: ['60-50=10', '43-2=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,76 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[50, 2, 17], Operations: ['60-43=17'] Exploring Operation: 50/2=25, Resulting Numbers: [17, 25] Generated Node #0,4,0: 76:[17, 25] Operation: 50/2=25 Exploring Operation: 50+17=67, Resulting Numbers: [2, 67] Generated Node #0,4,1: 76:[2, 67] Operation: 50+17=67 Exploring Operation: 50-2=48, Resulting Numbers: [17, 48] Generated Node #0,4,2: 76:[17, 48] Operation: 50-2=48 Exploring Operation: 50-17=33, Resulting Numbers: [2, 33] Generated Node #0,4,3: 76:[2, 33] Operation: 50-17=33 Exploring Operation: 2+17=19, Resulting Numbers: [50, 19] Generated Node #0,4,4: 76:[50, 19] Operation: 2+17=19 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[2, 33], Operations: ['60-43=17', '50-17=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 76:[17, 25], Operations: ['60-43=17', '50/2=25'] Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,76 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[2, 67], Operations: ['60-43=17', '50+17=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,76 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,76 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[17, 48], Operations: ['60-43=17', '50-2=48'] Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 17*48=816, Resulting Numbers: [816] 816,76 unequal: No Solution Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[50, 19], Operations: ['60-43=17', '2+17=19'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,76 unequal: No Solution Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[60, 2, 7], Operations: ['50-43=7'] Exploring Operation: 7-2=5, Resulting Numbers: [60, 5] Generated Node #0,1,0: 76:[60, 5] Operation: 7-2=5 Exploring Operation: 60/2=30, Resulting Numbers: [7, 30] Generated Node #0,1,1: 76:[7, 30] Operation: 60/2=30 Exploring Operation: 60+2=62, Resulting Numbers: [7, 62] Generated Node #0,1,2: 76:[7, 62] Operation: 60+2=62 Exploring Operation: 60-7=53, Resulting Numbers: [2, 53] Generated Node #0,1,3: 76:[2, 53] Operation: 60-7=53 Exploring Operation: 60+7=67, Resulting Numbers: [2, 67] Generated Node #0,1,4: 76:[2, 67] Operation: 60+7=67 Moving to Node #0,1,4 Current State: 76:[2, 67], Operations: ['50-43=7', '60+7=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,76 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,76 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[7, 30], Operations: ['50-43=7', '60/2=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,76 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[2, 53], Operations: ['50-43=7', '60-7=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,76 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,76 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[60, 5], Operations: ['50-43=7', '7-2=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,76 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,76 unequal: No Solution Exploring Operation: 60*5=300, Resulting Numbers: [300] 300,76 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[7, 62], Operations: ['50-43=7', '60+2=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,76 unequal: No Solution Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[43, 50, 30], Operations: ['60/2=30'] Exploring Operation: 50-30=20, Resulting Numbers: [43, 20] Generated Node #0,0,0: 76:[43, 20] Operation: 50-30=20 Exploring Operation: 43+30=73, Resulting Numbers: [50, 73] Generated Node #0,0,1: 76:[50, 73] Operation: 43+30=73 Exploring Operation: 50-43=7, Resulting Numbers: [30, 7] Generated Node #0,0,2: 76:[30, 7] Operation: 50-43=7 Exploring Operation: 50+30=80, Resulting Numbers: [43, 80] Generated Node #0,0,3: 76:[43, 80] Operation: 50+30=80 Exploring Operation: 43-30=13, Resulting Numbers: [50, 13] Generated Node #0,0,4: 76:[50, 13] Operation: 43-30=13 Moving to Node #0,0,0 Current State: 76:[43, 20], Operations: ['60/2=30', '50-30=20'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 43+20=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 43*20=860, Resulting Numbers: [860] 860,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[43, 80], Operations: ['60/2=30', '50+30=80'] Exploring Operation: 43+80=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 43*80=3440, Resulting Numbers: [3440] 3440,76 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[30, 7], Operations: ['60/2=30', '50-43=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[50, 73], Operations: ['60/2=30', '43+30=73'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 50*73=3650, Resulting Numbers: [3650] 3650,76 unequal: No Solution Exploring Operation: 50+73=123, Resulting Numbers: [123] 123,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[50, 13], Operations: ['60/2=30', '43-30=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,76 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[60, 43, 25], Operations: ['50/2=25'] Exploring Operation: 60+25=85, Resulting Numbers: [43, 85] Generated Node #0,2,0: 76:[43, 85] Operation: 60+25=85 Exploring Operation: 60-43=17, Resulting Numbers: [25, 17] Generated Node #0,2,1: 76:[25, 17] Operation: 60-43=17 Exploring Operation: 43+25=68, Resulting Numbers: [60, 68] Generated Node #0,2,2: 76:[60, 68] Operation: 43+25=68 Exploring Operation: 43-25=18, Resulting Numbers: [60, 18] Generated Node #0,2,3: 76:[60, 18] Operation: 43-25=18 Exploring Operation: 60-25=35, Resulting Numbers: [43, 35] Generated Node #0,2,4: 76:[43, 35] Operation: 60-25=35 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[25, 17], Operations: ['50/2=25', '60-43=17'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,76 unequal: No Solution Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 76:[43, 35], Operations: ['50/2=25', '60-25=35'] Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,76 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[43, 85], Operations: ['50/2=25', '60+25=85'] Exploring Operation: 43*85=3655, Resulting Numbers: [3655] 3655,76 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 43+85=128, Resulting Numbers: [128] 128,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 76:[60, 18], Operations: ['50/2=25', '43-25=18'] Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,76 unequal: No Solution Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,76 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[60, 68], Operations: ['50/2=25', '43+25=68'] Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 60*68=4080, Resulting Numbers: [4080] 4080,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 7, 15, 53, 6 ]
38
[ "7-6=1", "53-15=38", "1*38=38" ]
Current State: 38:[7, 15, 53, 6], Operations: [] Exploring Operation: 7-6=1, Resulting Numbers: [15, 53, 1] Generated Node #2: [15, 53, 1] from Operation: 7-6=1 Current State: 38:[15, 53, 1], Operations: ['7-6=1'] Exploring Operation: 53-15=38, Resulting Numbers: [1, 38] Generated Node #3: [1, 38] from Operation: 53-15=38 Current State: 38:[1, 38], Operations: ['7-6=1', '53-15=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[7, 15, 53, 6], Operations: [] Exploring Operation: 53-7=46, Resulting Numbers: [15, 6, 46] Generated Node #0,0: 38:[15, 6, 46] Operation: 53-7=46 Exploring Operation: 53-15=38, Resulting Numbers: [7, 6, 38] Generated Node #0,1: 38:[7, 6, 38] Operation: 53-15=38 Moving to Node #0,1 Current State: 38:[7, 6, 38], Operations: ['53-15=38'] Exploring Operation: 7*6=42, Resulting Numbers: [38, 42] Generated Node #0,1,0: 38:[38, 42] Operation: 7*6=42 Exploring Operation: 7-6=1, Resulting Numbers: [38, 1] Generated Node #0,1,1: 38:[38, 1] Operation: 7-6=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[38, 1], Operations: ['53-15=38', '7-6=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[7, 15, 53, 6], Operations: [] Exploring Operation: 53-15=38, Resulting Numbers: [7, 6, 38] Generated Node #0,1: 38:[7, 6, 38] Operation: 53-15=38 Moving to Node #0,1 Current State: 38:[7, 6, 38], Operations: ['53-15=38'] Exploring Operation: 7-6=1, Resulting Numbers: [38, 1] Generated Node #0,1,1: 38:[38, 1] Operation: 7-6=1 Moving to Node #0,1,1 Current State: 38:[38, 1], Operations: ['53-15=38', '7-6=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 40, 16, 18, 59 ]
53
[ "40-16=24", "18+59=77", "77-24=53" ]
Current State: 53:[40, 16, 18, 59], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [18, 59, 24] Generated Node #2: [18, 59, 24] from Operation: 40-16=24 Current State: 53:[18, 59, 24], Operations: ['40-16=24'] Exploring Operation: 18+59=77, Resulting Numbers: [24, 77] Generated Node #3: [24, 77] from Operation: 18+59=77 Current State: 53:[24, 77], Operations: ['40-16=24', '18+59=77'] Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[40, 16, 18, 59], Operations: [] Exploring Operation: 59-18=41, Resulting Numbers: [40, 16, 41] Generated Node #0,0: 53:[40, 16, 41] Operation: 59-18=41 Exploring Operation: 59-16=43, Resulting Numbers: [40, 18, 43] Generated Node #0,1: 53:[40, 18, 43] Operation: 59-16=43 Exploring Operation: 16+18=34, Resulting Numbers: [40, 59, 34] Generated Node #0,2: 53:[40, 59, 34] Operation: 16+18=34 Exploring Operation: 40+16=56, Resulting Numbers: [18, 59, 56] Generated Node #0,3: 53:[18, 59, 56] Operation: 40+16=56 Exploring Operation: 40+18=58, Resulting Numbers: [16, 59, 58] Generated Node #0,4: 53:[16, 59, 58] Operation: 40+18=58 Moving to Node #0,2 Current State: 53:[40, 59, 34], Operations: ['16+18=34'] Exploring Operation: 40+34=74, Resulting Numbers: [59, 74] Generated Node #0,2,0: 53:[59, 74] Operation: 40+34=74 Exploring Operation: 40-34=6, Resulting Numbers: [59, 6] Generated Node #0,2,1: 53:[59, 6] Operation: 40-34=6 Exploring Operation: 59-40=19, Resulting Numbers: [34, 19] Generated Node #0,2,2: 53:[34, 19] Operation: 59-40=19 Exploring Operation: 59-34=25, Resulting Numbers: [40, 25] Generated Node #0,2,3: 53:[40, 25] Operation: 59-34=25 Exploring Operation: 59+34=93, Resulting Numbers: [40, 93] Generated Node #0,2,4: 53:[40, 93] Operation: 59+34=93 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[59, 74], Operations: ['16+18=34', '40+34=74'] Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,53 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[40, 25], Operations: ['16+18=34', '59-34=25'] Exploring Operation: 40*25=1000, Resulting Numbers: [1000] 1000,53 unequal: No Solution Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 40+25=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[59, 6], Operations: ['16+18=34', '40-34=6'] Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,53 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[40, 16, 18, 59], Operations: [] Exploring Operation: 16+18=34, Resulting Numbers: [40, 59, 34] Generated Node #0,2: 53:[40, 59, 34] Operation: 16+18=34 Moving to Node #0,2 Current State: 53:[40, 59, 34], Operations: ['16+18=34'] Exploring Operation: 40-34=6, Resulting Numbers: [59, 6] Generated Node #0,2,1: 53:[59, 6] Operation: 40-34=6 Moving to Node #0,2,1 Current State: 53:[59, 6], Operations: ['16+18=34', '40-34=6'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 72, 7, 75, 76 ]
64
[ "72-7=65", "76-75=1", "65-1=64" ]
Current State: 64:[72, 7, 75, 76], Operations: [] Exploring Operation: 72-7=65, Resulting Numbers: [75, 76, 65] Generated Node #2: [75, 76, 65] from Operation: 72-7=65 Current State: 64:[75, 76, 65], Operations: ['72-7=65'] Exploring Operation: 76-75=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 76-75=1 Current State: 64:[65, 1], Operations: ['72-7=65', '76-75=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[72, 7, 75, 76], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [72, 7, 1] Generated Node #0,0: 64:[72, 7, 1] Operation: 76-75=1 Exploring Operation: 76-72=4, Resulting Numbers: [7, 75, 4] Generated Node #0,1: 64:[7, 75, 4] Operation: 76-72=4 Exploring Operation: 75-72=3, Resulting Numbers: [7, 76, 3] Generated Node #0,2: 64:[7, 76, 3] Operation: 75-72=3 Exploring Operation: 72-7=65, Resulting Numbers: [75, 76, 65] Generated Node #0,3: 64:[75, 76, 65] Operation: 72-7=65 Exploring Operation: 75-7=68, Resulting Numbers: [72, 76, 68] Generated Node #0,4: 64:[72, 76, 68] Operation: 75-7=68 Moving to Node #0,0 Current State: 64:[72, 7, 1], Operations: ['76-75=1'] Exploring Operation: 72-7=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 64:[1, 65] Operation: 72-7=65 Exploring Operation: 72*1=72, Resulting Numbers: [7, 72] Generated Node #0,0,1: 64:[7, 72] Operation: 72*1=72 Exploring Operation: 7+1=8, Resulting Numbers: [72, 8] Generated Node #0,0,2: 64:[72, 8] Operation: 7+1=8 Exploring Operation: 72/1=72, Resulting Numbers: [7, 72] Generated Node #0,0,3: 64:[7, 72] Operation: 72/1=72 Exploring Operation: 72-1=71, Resulting Numbers: [7, 71] Generated Node #0,0,4: 64:[7, 71] Operation: 72-1=71 Moving to Node #0,1 Current State: 64:[7, 75, 4], Operations: ['76-72=4'] Exploring Operation: 75-4=71, Resulting Numbers: [7, 71] Generated Node #0,1,0: 64:[7, 71] Operation: 75-4=71 Exploring Operation: 75-7=68, Resulting Numbers: [4, 68] Generated Node #0,1,1: 64:[4, 68] Operation: 75-7=68 Exploring Operation: 7+4=11, Resulting Numbers: [75, 11] Generated Node #0,1,2: 64:[75, 11] Operation: 7+4=11 Exploring Operation: 7*4=28, Resulting Numbers: [75, 28] Generated Node #0,1,3: 64:[75, 28] Operation: 7*4=28 Exploring Operation: 7-4=3, Resulting Numbers: [75, 3] Generated Node #0,1,4: 64:[75, 3] Operation: 7-4=3 Moving to Node #0,2 Current State: 64:[7, 76, 3], Operations: ['75-72=3'] Exploring Operation: 7-3=4, Resulting Numbers: [76, 4] Generated Node #0,2,0: 64:[76, 4] Operation: 7-3=4 Exploring Operation: 76-7=69, Resulting Numbers: [3, 69] Generated Node #0,2,1: 64:[3, 69] Operation: 76-7=69 Exploring Operation: 7+3=10, Resulting Numbers: [76, 10] Generated Node #0,2,2: 64:[76, 10] Operation: 7+3=10 Exploring Operation: 76+3=79, Resulting Numbers: [7, 79] Generated Node #0,2,3: 64:[7, 79] Operation: 76+3=79 Exploring Operation: 76-3=73, Resulting Numbers: [7, 73] Generated Node #0,2,4: 64:[7, 73] Operation: 76-3=73 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[3, 69], Operations: ['75-72=3', '76-7=69'] Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,64 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 3*69=207, Resulting Numbers: [207] 207,64 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,64 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 #0,2,4 Current State: 64:[7, 73], Operations: ['75-72=3', '76-3=73'] Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 7*73=511, Resulting Numbers: [511] 511,64 unequal: No Solution Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,64 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 #0,2,0 Current State: 64:[76, 4], Operations: ['75-72=3', '7-3=4'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,64 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,64 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,64 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,64 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 #0,2,2 Current State: 64:[76, 10], Operations: ['75-72=3', '7+3=10'] Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,64 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,64 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 #0,2,3 Current State: 64:[7, 79], Operations: ['75-72=3', '76+3=79'] Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,64 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,64 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: 64:[75, 76, 65], Operations: ['72-7=65'] Exploring Operation: 75+76=151, Resulting Numbers: [65, 151] Generated Node #0,3,0: 64:[65, 151] Operation: 75+76=151 Exploring Operation: 76-65=11, Resulting Numbers: [75, 11] Generated Node #0,3,1: 64:[75, 11] Operation: 76-65=11 Exploring Operation: 76-75=1, Resulting Numbers: [65, 1] Generated Node #0,3,2: 64:[65, 1] Operation: 76-75=1 Exploring Operation: 75+65=140, Resulting Numbers: [76, 140] Generated Node #0,3,3: 64:[76, 140] Operation: 75+65=140 Exploring Operation: 75-65=10, Resulting Numbers: [76, 10] Generated Node #0,3,4: 64:[76, 10] Operation: 75-65=10 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 64:[65, 1], Operations: ['72-7=65', '76-75=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[72, 7, 75, 76], Operations: [] Exploring Operation: 72-7=65, Resulting Numbers: [75, 76, 65] Generated Node #0,3: 64:[75, 76, 65] Operation: 72-7=65 Moving to Node #0,3 Current State: 64:[75, 76, 65], Operations: ['72-7=65'] Exploring Operation: 76-75=1, Resulting Numbers: [65, 1] Generated Node #0,3,2: 64:[65, 1] Operation: 76-75=1 Moving to Node #0,3,2 Current State: 64:[65, 1], Operations: ['72-7=65', '76-75=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 35, 50, 91, 22 ]
54
[ "50-35=15", "91-22=69", "69-15=54" ]
Current State: 54:[35, 50, 91, 22], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [91, 22, 15] Generated Node #2: [91, 22, 15] from Operation: 50-35=15 Current State: 54:[91, 22, 15], Operations: ['50-35=15'] Exploring Operation: 91-22=69, Resulting Numbers: [15, 69] Generated Node #3: [15, 69] from Operation: 91-22=69 Current State: 54:[15, 69], Operations: ['50-35=15', '91-22=69'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[35, 50, 91, 22], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [35, 22, 41] Generated Node #0,0: 54:[35, 22, 41] Operation: 91-50=41 Exploring Operation: 91-35=56, Resulting Numbers: [50, 22, 56] Generated Node #0,1: 54:[50, 22, 56] Operation: 91-35=56 Exploring Operation: 50-35=15, Resulting Numbers: [91, 22, 15] Generated Node #0,2: 54:[91, 22, 15] Operation: 50-35=15 Exploring Operation: 91-22=69, Resulting Numbers: [35, 50, 69] Generated Node #0,3: 54:[35, 50, 69] Operation: 91-22=69 Exploring Operation: 35+22=57, Resulting Numbers: [50, 91, 57] Generated Node #0,4: 54:[50, 91, 57] Operation: 35+22=57 Moving to Node #0,1 Current State: 54:[50, 22, 56], Operations: ['91-35=56'] Exploring Operation: 50+22=72, Resulting Numbers: [56, 72] Generated Node #0,1,0: 54:[56, 72] Operation: 50+22=72 Exploring Operation: 50-22=28, Resulting Numbers: [56, 28] Generated Node #0,1,1: 54:[56, 28] Operation: 50-22=28 Exploring Operation: 56-22=34, Resulting Numbers: [50, 34] Generated Node #0,1,2: 54:[50, 34] Operation: 56-22=34 Exploring Operation: 56-50=6, Resulting Numbers: [22, 6] Generated Node #0,1,3: 54:[22, 6] Operation: 56-50=6 Exploring Operation: 22+56=78, Resulting Numbers: [50, 78] Generated Node #0,1,4: 54:[50, 78] Operation: 22+56=78 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[56, 28], Operations: ['91-35=56', '50-22=28'] Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,54 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,54 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 #0,1,3 Current State: 54:[22, 6], Operations: ['91-35=56', '56-50=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,54 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 #0,1,2 Current State: 54:[50, 34], Operations: ['91-35=56', '56-22=34'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,54 unequal: No Solution Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,54 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 #0,1,0 Current State: 54:[56, 72], Operations: ['91-35=56', '50+22=72'] Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,54 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,54 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 #0,1,4 Current State: 54:[50, 78], Operations: ['91-35=56', '22+56=78'] Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 50*78=3900, Resulting Numbers: [3900] 3900,54 unequal: No Solution Exploring Operation: 50+78=128, Resulting Numbers: [128] 128,54 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: 54:[35, 22, 41], Operations: ['91-50=41'] Exploring Operation: 22+41=63, Resulting Numbers: [35, 63] Generated Node #0,0,0: 54:[35, 63] Operation: 22+41=63 Exploring Operation: 41-22=19, Resulting Numbers: [35, 19] Generated Node #0,0,1: 54:[35, 19] Operation: 41-22=19 Exploring Operation: 41-35=6, Resulting Numbers: [22, 6] Generated Node #0,0,2: 54:[22, 6] Operation: 41-35=6 Exploring Operation: 35-22=13, Resulting Numbers: [41, 13] Generated Node #0,0,3: 54:[41, 13] Operation: 35-22=13 Exploring Operation: 35+22=57, Resulting Numbers: [41, 57] Generated Node #0,0,4: 54:[41, 57] Operation: 35+22=57 Moving to Node #0,3 Current State: 54:[35, 50, 69], Operations: ['91-22=69'] Exploring Operation: 35+50=85, Resulting Numbers: [69, 85] Generated Node #0,3,0: 54:[69, 85] Operation: 35+50=85 Exploring Operation: 69-50=19, Resulting Numbers: [35, 19] Generated Node #0,3,1: 54:[35, 19] Operation: 69-50=19 Exploring Operation: 69-35=34, Resulting Numbers: [50, 34] Generated Node #0,3,2: 54:[50, 34] Operation: 69-35=34 Exploring Operation: 50-35=15, Resulting Numbers: [69, 15] Generated Node #0,3,3: 54:[69, 15] Operation: 50-35=15 Exploring Operation: 35+69=104, Resulting Numbers: [50, 104] Generated Node #0,3,4: 54:[50, 104] Operation: 35+69=104 Moving to Node #0,2 Current State: 54:[91, 22, 15], Operations: ['50-35=15'] Exploring Operation: 22+15=37, Resulting Numbers: [91, 37] Generated Node #0,2,0: 54:[91, 37] Operation: 22+15=37 Exploring Operation: 91+15=106, Resulting Numbers: [22, 106] Generated Node #0,2,1: 54:[22, 106] Operation: 91+15=106 Exploring Operation: 91-15=76, Resulting Numbers: [22, 76] Generated Node #0,2,2: 54:[22, 76] Operation: 91-15=76 Exploring Operation: 91-22=69, Resulting Numbers: [15, 69] Generated Node #0,2,3: 54:[15, 69] Operation: 91-22=69 Exploring Operation: 22-15=7, Resulting Numbers: [91, 7] Generated Node #0,2,4: 54:[91, 7] Operation: 22-15=7 Moving to Node #0,4 Current State: 54:[50, 91, 57], Operations: ['35+22=57'] Exploring Operation: 91-57=34, Resulting Numbers: [50, 34] Generated Node #0,4,0: 54:[50, 34] Operation: 91-57=34 Exploring Operation: 91-50=41, Resulting Numbers: [57, 41] Generated Node #0,4,1: 54:[57, 41] Operation: 91-50=41 Exploring Operation: 57-50=7, Resulting Numbers: [91, 7] Generated Node #0,4,2: 54:[91, 7] Operation: 57-50=7 Exploring Operation: 50+57=107, Resulting Numbers: [91, 107] Generated Node #0,4,3: 54:[91, 107] Operation: 50+57=107 Exploring Operation: 50+91=141, Resulting Numbers: [57, 141] Generated Node #0,4,4: 54:[57, 141] Operation: 50+91=141 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 54:[50, 34], Operations: ['35+22=57', '91-57=34'] Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,54 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,54 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 #0,4,1 Current State: 54:[57, 41], Operations: ['35+22=57', '91-50=41'] Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,54 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,54 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 #0,4,2 Current State: 54:[91, 7], Operations: ['35+22=57', '57-50=7'] Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,54 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,54 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,54 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 #0,4,3 Current State: 54:[91, 107], Operations: ['35+22=57', '50+57=107'] Exploring Operation: 91+107=198, Resulting Numbers: [198] 198,54 unequal: No Solution Exploring Operation: 91*107=9737, Resulting Numbers: [9737] 9737,54 unequal: No Solution Exploring Operation: 107-91=16, Resulting Numbers: [16] 16,54 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 #0,4,4 Current State: 54:[57, 141], Operations: ['35+22=57', '50+91=141'] Exploring Operation: 57+141=198, Resulting Numbers: [198] 198,54 unequal: No Solution Exploring Operation: 57*141=8037, Resulting Numbers: [8037] 8037,54 unequal: No Solution Exploring Operation: 141-57=84, Resulting Numbers: [84] 84,54 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: 54:[22, 6], Operations: ['91-50=41', '41-35=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,54 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[35, 19], Operations: ['91-22=69', '69-50=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,54 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[35, 50, 91, 22], Operations: [] Exploring Operation: 91-22=69, Resulting Numbers: [35, 50, 69] Generated Node #0,3: 54:[35, 50, 69] Operation: 91-22=69 Moving to Node #0,3 Current State: 54:[35, 50, 69], Operations: ['91-22=69'] Exploring Operation: 69-50=19, Resulting Numbers: [35, 19] Generated Node #0,3,1: 54:[35, 19] Operation: 69-50=19 Moving to Node #0,3,1 Current State: 54:[35, 19], Operations: ['91-22=69', '69-50=19'] Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.9375
hs_5
mult_heuristic
[ 47, 60, 40, 98 ]
31
[ "47+60=107", "40+98=138", "138-107=31" ]
Current State: 31:[47, 60, 40, 98], Operations: [] Exploring Operation: 47+60=107, Resulting Numbers: [40, 98, 107] Generated Node #2: [40, 98, 107] from Operation: 47+60=107 Current State: 31:[40, 98, 107], Operations: ['47+60=107'] Exploring Operation: 40+98=138, Resulting Numbers: [107, 138] Generated Node #3: [107, 138] from Operation: 40+98=138 Current State: 31:[107, 138], Operations: ['47+60=107', '40+98=138'] Exploring Operation: 138-107=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[47, 60, 40, 98], Operations: [] Exploring Operation: 60-47=13, Resulting Numbers: [40, 98, 13] Generated Node #0,0: 31:[40, 98, 13] Operation: 60-47=13 Exploring Operation: 60-40=20, Resulting Numbers: [47, 98, 20] Generated Node #0,1: 31:[47, 98, 20] Operation: 60-40=20 Exploring Operation: 98-47=51, Resulting Numbers: [60, 40, 51] Generated Node #0,2: 31:[60, 40, 51] Operation: 98-47=51 Exploring Operation: 98-60=38, Resulting Numbers: [47, 40, 38] Generated Node #0,3: 31:[47, 40, 38] Operation: 98-60=38 Exploring Operation: 98-40=58, Resulting Numbers: [47, 60, 58] Generated Node #0,4: 31:[47, 60, 58] Operation: 98-40=58 Moving to Node #0,3 Current State: 31:[47, 40, 38], Operations: ['98-60=38'] Exploring Operation: 47+40=87, Resulting Numbers: [38, 87] Generated Node #0,3,0: 31:[38, 87] Operation: 47+40=87 Exploring Operation: 47+38=85, Resulting Numbers: [40, 85] Generated Node #0,3,1: 31:[40, 85] Operation: 47+38=85 Exploring Operation: 40-38=2, Resulting Numbers: [47, 2] Generated Node #0,3,2: 31:[47, 2] Operation: 40-38=2 Exploring Operation: 47-38=9, Resulting Numbers: [40, 9] Generated Node #0,3,3: 31:[40, 9] Operation: 47-38=9 Exploring Operation: 47-40=7, Resulting Numbers: [38, 7] Generated Node #0,3,4: 31:[38, 7] Operation: 47-40=7 Moving to Node #0,2 Current State: 31:[60, 40, 51], Operations: ['98-47=51'] Exploring Operation: 60-40=20, Resulting Numbers: [51, 20] Generated Node #0,2,0: 31:[51, 20] Operation: 60-40=20 Exploring Operation: 60+40=100, Resulting Numbers: [51, 100] Generated Node #0,2,1: 31:[51, 100] Operation: 60+40=100 Exploring Operation: 60-51=9, Resulting Numbers: [40, 9] Generated Node #0,2,2: 31:[40, 9] Operation: 60-51=9 Exploring Operation: 51-40=11, Resulting Numbers: [60, 11] Generated Node #0,2,3: 31:[60, 11] Operation: 51-40=11 Exploring Operation: 60+51=111, Resulting Numbers: [40, 111] Generated Node #0,2,4: 31:[40, 111] Operation: 60+51=111 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[51, 20], Operations: ['98-47=51', '60-40=20'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[47, 60, 40, 98], Operations: [] Exploring Operation: 98-47=51, Resulting Numbers: [60, 40, 51] Generated Node #0,2: 31:[60, 40, 51] Operation: 98-47=51 Moving to Node #0,2 Current State: 31:[60, 40, 51], Operations: ['98-47=51'] Exploring Operation: 60-40=20, Resulting Numbers: [51, 20] Generated Node #0,2,0: 31:[51, 20] Operation: 60-40=20 Moving to Node #0,2,0 Current State: 31:[51, 20], Operations: ['98-47=51', '60-40=20'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 66, 50, 44, 29 ]
40
[ "66+50=116", "116/29=4", "44-4=40" ]
Current State: 40:[66, 50, 44, 29], Operations: [] Exploring Operation: 66+50=116, Resulting Numbers: [44, 29, 116] Generated Node #2: [44, 29, 116] from Operation: 66+50=116 Current State: 40:[44, 29, 116], Operations: ['66+50=116'] Exploring Operation: 116/29=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 116/29=4 Current State: 40:[44, 4], Operations: ['66+50=116', '116/29=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[66, 50, 44, 29], Operations: [] Exploring Operation: 66-44=22, Resulting Numbers: [50, 29, 22] Generated Node #0,0: 40:[50, 29, 22] Operation: 66-44=22 Exploring Operation: 50-44=6, Resulting Numbers: [66, 29, 6] Generated Node #0,1: 40:[66, 29, 6] Operation: 50-44=6 Exploring Operation: 50-29=21, Resulting Numbers: [66, 44, 21] Generated Node #0,2: 40:[66, 44, 21] Operation: 50-29=21 Exploring Operation: 66-50=16, Resulting Numbers: [44, 29, 16] Generated Node #0,3: 40:[44, 29, 16] Operation: 66-50=16 Exploring Operation: 66-29=37, Resulting Numbers: [50, 44, 37] Generated Node #0,4: 40:[50, 44, 37] Operation: 66-29=37 Moving to Node #0,3 Current State: 40:[44, 29, 16], Operations: ['66-50=16'] Exploring Operation: 29-16=13, Resulting Numbers: [44, 13] Generated Node #0,3,0: 40:[44, 13] Operation: 29-16=13 Exploring Operation: 29+16=45, Resulting Numbers: [44, 45] Generated Node #0,3,1: 40:[44, 45] Operation: 29+16=45 Exploring Operation: 44-29=15, Resulting Numbers: [16, 15] Generated Node #0,3,2: 40:[16, 15] Operation: 44-29=15 Exploring Operation: 44-16=28, Resulting Numbers: [29, 28] Generated Node #0,3,3: 40:[29, 28] Operation: 44-16=28 Exploring Operation: 44+16=60, Resulting Numbers: [29, 60] Generated Node #0,3,4: 40:[29, 60] Operation: 44+16=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 40:[44, 13], Operations: ['66-50=16', '29-16=13'] Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,40 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,40 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 40:[44, 45], Operations: ['66-50=16', '29+16=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 40:[16, 15], Operations: ['66-50=16', '44-29=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,40 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 40:[29, 28], Operations: ['66-50=16', '44-16=28'] Exploring Operation: 29*28=812, Resulting Numbers: [812] 812,40 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 29+28=57, Resulting Numbers: [57] 57,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 40:[29, 60], Operations: ['66-50=16', '44+16=60'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 29*60=1740, Resulting Numbers: [1740] 1740,40 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: 40:[50, 44, 37], Operations: ['66-29=37'] Exploring Operation: 44-37=7, Resulting Numbers: [50, 7] Generated Node #0,4,0: 40:[50, 7] Operation: 44-37=7 Exploring Operation: 44+37=81, Resulting Numbers: [50, 81] Generated Node #0,4,1: 40:[50, 81] Operation: 44+37=81 Exploring Operation: 50-44=6, Resulting Numbers: [37, 6] Generated Node #0,4,2: 40:[37, 6] Operation: 50-44=6 Exploring Operation: 50+37=87, Resulting Numbers: [44, 87] Generated Node #0,4,3: 40:[44, 87] Operation: 50+37=87 Exploring Operation: 50-37=13, Resulting Numbers: [44, 13] Generated Node #0,4,4: 40:[44, 13] Operation: 50-37=13 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 40:[37, 6], Operations: ['66-29=37', '50-44=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,40 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 40:[44, 13], Operations: ['66-29=37', '50-37=13'] Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,40 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 40:[50, 7], Operations: ['66-29=37', '44-37=7'] Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,40 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,40 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 40:[50, 81], Operations: ['66-29=37', '44+37=81'] Exploring Operation: 50*81=4050, Resulting Numbers: [4050] 4050,40 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 40:[44, 87], Operations: ['66-29=37', '50+37=87'] Exploring Operation: 44*87=3828, Resulting Numbers: [3828] 3828,40 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,40 unequal: No Solution Exploring Operation: 44+87=131, Resulting Numbers: [131] 131,40 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: 40:[50, 29, 22], Operations: ['66-44=22'] Exploring Operation: 50+29=79, Resulting Numbers: [22, 79] Generated Node #0,0,0: 40:[22, 79] Operation: 50+29=79 Exploring Operation: 29+22=51, Resulting Numbers: [50, 51] Generated Node #0,0,1: 40:[50, 51] Operation: 29+22=51 Exploring Operation: 29-22=7, Resulting Numbers: [50, 7] Generated Node #0,0,2: 40:[50, 7] Operation: 29-22=7 Exploring Operation: 50-29=21, Resulting Numbers: [22, 21] Generated Node #0,0,3: 40:[22, 21] Operation: 50-29=21 Exploring Operation: 50-22=28, Resulting Numbers: [29, 28] Generated Node #0,0,4: 40:[29, 28] Operation: 50-22=28 Moving to Node #0,2 Current State: 40:[66, 44, 21], Operations: ['50-29=21'] Exploring Operation: 44+21=65, Resulting Numbers: [66, 65] Generated Node #0,2,0: 40:[66, 65] Operation: 44+21=65 Exploring Operation: 66-21=45, Resulting Numbers: [44, 45] Generated Node #0,2,1: 40:[44, 45] Operation: 66-21=45 Exploring Operation: 66+21=87, Resulting Numbers: [44, 87] Generated Node #0,2,2: 40:[44, 87] Operation: 66+21=87 Exploring Operation: 44-21=23, Resulting Numbers: [66, 23] Generated Node #0,2,3: 40:[66, 23] Operation: 44-21=23 Exploring Operation: 66-44=22, Resulting Numbers: [21, 22] Generated Node #0,2,4: 40:[21, 22] Operation: 66-44=22 Moving to Node #0,1 Current State: 40:[66, 29, 6], Operations: ['50-44=6'] Exploring Operation: 66/6=11, Resulting Numbers: [29, 11] Generated Node #0,1,0: 40:[29, 11] Operation: 66/6=11 Exploring Operation: 29-6=23, Resulting Numbers: [66, 23] Generated Node #0,1,1: 40:[66, 23] Operation: 29-6=23 Exploring Operation: 29+6=35, Resulting Numbers: [66, 35] Generated Node #0,1,2: 40:[66, 35] Operation: 29+6=35 Exploring Operation: 66-6=60, Resulting Numbers: [29, 60] Generated Node #0,1,3: 40:[29, 60] Operation: 66-6=60 Exploring Operation: 66-29=37, Resulting Numbers: [6, 37] Generated Node #0,1,4: 40:[6, 37] Operation: 66-29=37 Moving to Node #0,0,3 Current State: 40:[22, 21], Operations: ['66-44=22', '50-29=21'] Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,40 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,2,4 Current State: 40:[21, 22], Operations: ['50-29=21', '66-44=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,40 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,40 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,1,4 Current State: 40:[6, 37], Operations: ['50-44=6', '66-29=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,40 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[44, 45], Operations: ['50-29=21', '66-21=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,40 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[29, 11], Operations: ['50-44=6', '66/6=11'] Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[66, 50, 44, 29], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [66, 29, 6] Generated Node #0,1: 40:[66, 29, 6] Operation: 50-44=6 Moving to Node #0,1 Current State: 40:[66, 29, 6], Operations: ['50-44=6'] Exploring Operation: 66/6=11, Resulting Numbers: [29, 11] Generated Node #0,1,0: 40:[29, 11] Operation: 66/6=11 Moving to Node #0,1,0 Current State: 40:[29, 11], Operations: ['50-44=6', '66/6=11'] Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.93316
hs_5
sum_heuristic
[ 2, 2, 55, 64 ]
22
[ "55-2=53", "64-53=11", "2*11=22" ]
Current State: 22:[2, 2, 55, 64], Operations: [] Exploring Operation: 55-2=53, Resulting Numbers: [64, 53] Generated Node #2: [64, 53] from Operation: 55-2=53 Current State: 22:[64, 53], Operations: ['55-2=53'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,22 equal: Goal Reached Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 2, 55, 64], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [2, 2, 9] Generated Node #0,0: 22:[2, 2, 9] Operation: 64-55=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[2, 2, 9], Operations: ['64-55=9'] Exploring Operation: 2+9=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 22:[2, 11] Operation: 2+9=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[2, 11], Operations: ['64-55=9', '2+9=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[2, 2, 55, 64], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [2, 2, 9] Generated Node #0,0: 22:[2, 2, 9] Operation: 64-55=9 Moving to Node #0,0 Current State: 22:[2, 2, 9], Operations: ['64-55=9'] Exploring Operation: 2+9=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 22:[2, 11] Operation: 2+9=11 Moving to Node #0,0,0 Current State: 22:[2, 11], Operations: ['64-55=9', '2+9=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 34, 47, 73, 62 ]
54
[ "34+47=81", "73+62=135", "135-81=54" ]
Current State: 54:[34, 47, 73, 62], Operations: [] Exploring Operation: 34+47=81, Resulting Numbers: [73, 62, 81] Generated Node #2: [73, 62, 81] from Operation: 34+47=81 Current State: 54:[73, 62, 81], Operations: ['34+47=81'] Exploring Operation: 73+62=135, Resulting Numbers: [81, 135] Generated Node #3: [81, 135] from Operation: 73+62=135 Current State: 54:[81, 135], Operations: ['34+47=81', '73+62=135'] Exploring Operation: 135-81=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[34, 47, 73, 62], Operations: [] Exploring Operation: 73-34=39, Resulting Numbers: [47, 62, 39] Generated Node #0,0: 54:[47, 62, 39] Operation: 73-34=39 Exploring Operation: 73-47=26, Resulting Numbers: [34, 62, 26] Generated Node #0,1: 54:[34, 62, 26] Operation: 73-47=26 Exploring Operation: 73-62=11, Resulting Numbers: [34, 47, 11] Generated Node #0,2: 54:[34, 47, 11] Operation: 73-62=11 Exploring Operation: 62-34=28, Resulting Numbers: [47, 73, 28] Generated Node #0,3: 54:[47, 73, 28] Operation: 62-34=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[34, 62, 26], Operations: ['73-47=26'] Exploring Operation: 62-26=36, Resulting Numbers: [34, 36] Generated Node #0,1,0: 54:[34, 36] Operation: 62-26=36 Exploring Operation: 34-26=8, Resulting Numbers: [62, 8] Generated Node #0,1,1: 54:[62, 8] Operation: 34-26=8 Exploring Operation: 34+26=60, Resulting Numbers: [62, 60] Generated Node #0,1,2: 54:[62, 60] Operation: 34+26=60 Exploring Operation: 62-34=28, Resulting Numbers: [26, 28] Generated Node #0,1,3: 54:[26, 28] Operation: 62-34=28 Moving to Node #0,1,3 Current State: 54:[26, 28], Operations: ['73-47=26', '62-34=28'] Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[34, 47, 73, 62], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [34, 62, 26] Generated Node #0,1: 54:[34, 62, 26] Operation: 73-47=26 Moving to Node #0,1 Current State: 54:[34, 62, 26], Operations: ['73-47=26'] Exploring Operation: 62-34=28, Resulting Numbers: [26, 28] Generated Node #0,1,3: 54:[26, 28] Operation: 62-34=28 Moving to Node #0,1,3 Current State: 54:[26, 28], Operations: ['73-47=26', '62-34=28'] Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 22, 77, 28, 10 ]
63
[ "77*10=770", "770/22=35", "28+35=63" ]
Current State: 63:[22, 77, 28, 10], Operations: [] Exploring Operation: 77*10=770, Resulting Numbers: [22, 28, 770] Generated Node #2: [22, 28, 770] from Operation: 77*10=770 Current State: 63:[22, 28, 770], Operations: ['77*10=770'] Exploring Operation: 770/22=35, Resulting Numbers: [28, 35] Generated Node #3: [28, 35] from Operation: 770/22=35 Current State: 63:[28, 35], Operations: ['77*10=770', '770/22=35'] Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[22, 77, 28, 10], Operations: [] Exploring Operation: 77-28=49, Resulting Numbers: [22, 10, 49] Generated Node #0,0: 63:[22, 10, 49] Operation: 77-28=49 Exploring Operation: 28-22=6, Resulting Numbers: [77, 10, 6] Generated Node #0,1: 63:[77, 10, 6] Operation: 28-22=6 Exploring Operation: 77-10=67, Resulting Numbers: [22, 28, 67] Generated Node #0,2: 63:[22, 28, 67] Operation: 77-10=67 Exploring Operation: 28-10=18, Resulting Numbers: [22, 77, 18] Generated Node #0,3: 63:[22, 77, 18] Operation: 28-10=18 Exploring Operation: 77-22=55, Resulting Numbers: [28, 10, 55] Generated Node #0,4: 63:[28, 10, 55] Operation: 77-22=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[22, 28, 67], Operations: ['77-10=67'] Exploring Operation: 28-22=6, Resulting Numbers: [67, 6] Generated Node #0,2,0: 63:[67, 6] Operation: 28-22=6 Exploring Operation: 22+28=50, Resulting Numbers: [67, 50] Generated Node #0,2,1: 63:[67, 50] Operation: 22+28=50 Exploring Operation: 67-22=45, Resulting Numbers: [28, 45] Generated Node #0,2,2: 63:[28, 45] Operation: 67-22=45 Exploring Operation: 67-28=39, Resulting Numbers: [22, 39] Generated Node #0,2,3: 63:[22, 39] Operation: 67-28=39 Exploring Operation: 22+67=89, Resulting Numbers: [28, 89] Generated Node #0,2,4: 63:[28, 89] Operation: 22+67=89 Moving to Node #0,2,0 Current State: 63:[67, 6], Operations: ['77-10=67', '28-22=6'] Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,63 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,63 unequal: No Solution Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[67, 50], Operations: ['77-10=67', '22+28=50'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[22, 39], Operations: ['77-10=67', '67-28=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,63 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[28, 45], Operations: ['77-10=67', '67-22=45'] Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,63 unequal: No Solution Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[28, 89], Operations: ['77-10=67', '22+67=89'] Exploring Operation: 28+89=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 28*89=2492, Resulting Numbers: [2492] 2492,63 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,63 unequal: No Solution No 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: 63:[22, 10, 49], Operations: ['77-28=49'] Exploring Operation: 49-22=27, Resulting Numbers: [10, 27] Generated Node #0,0,0: 63:[10, 27] Operation: 49-22=27 Exploring Operation: 10+49=59, Resulting Numbers: [22, 59] Generated Node #0,0,1: 63:[22, 59] Operation: 10+49=59 Exploring Operation: 22+49=71, Resulting Numbers: [10, 71] Generated Node #0,0,2: 63:[10, 71] Operation: 22+49=71 Exploring Operation: 49-10=39, Resulting Numbers: [22, 39] Generated Node #0,0,3: 63:[22, 39] Operation: 49-10=39 Exploring Operation: 22-10=12, Resulting Numbers: [49, 12] Generated Node #0,0,4: 63:[49, 12] Operation: 22-10=12 Moving to Node #0,0,1 Current State: 63:[22, 59], Operations: ['77-28=49', '10+49=59'] Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,63 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[10, 27], Operations: ['77-28=49', '49-22=27'] Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,63 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[10, 71], Operations: ['77-28=49', '22+49=71'] Exploring Operation: 10*71=710, Resulting Numbers: [710] 710,63 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,63 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,63 unequal: No Solution Moving to Node #0,0,4 Current State: 63:[49, 12], Operations: ['77-28=49', '22-10=12'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,63 unequal: No Solution Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[22, 39], Operations: ['77-28=49', '49-10=39'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,63 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,63 unequal: No Solution No 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: 63:[77, 10, 6], Operations: ['28-22=6'] Exploring Operation: 10-6=4, Resulting Numbers: [77, 4] Generated Node #0,1,0: 63:[77, 4] Operation: 10-6=4 Exploring Operation: 77-6=71, Resulting Numbers: [10, 71] Generated Node #0,1,1: 63:[10, 71] Operation: 77-6=71 Exploring Operation: 10*6=60, Resulting Numbers: [77, 60] Generated Node #0,1,2: 63:[77, 60] Operation: 10*6=60 Exploring Operation: 10+6=16, Resulting Numbers: [77, 16] Generated Node #0,1,3: 63:[77, 16] Operation: 10+6=16 Exploring Operation: 77-10=67, Resulting Numbers: [6, 67] Generated Node #0,1,4: 63:[6, 67] Operation: 77-10=67 Moving to Node #0,1,4 Current State: 63:[6, 67], Operations: ['28-22=6', '77-10=67'] Exploring Operation: 6*67=402, Resulting Numbers: [402] 402,63 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,63 unequal: No Solution Exploring Operation: 6+67=73, Resulting Numbers: [73] 73,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[10, 71], Operations: ['28-22=6', '77-6=71'] Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,63 unequal: No Solution Exploring Operation: 10*71=710, Resulting Numbers: [710] 710,63 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[77, 4], Operations: ['28-22=6', '10-6=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[77, 60], Operations: ['28-22=6', '10*6=60'] Exploring Operation: 77+60=137, Resulting Numbers: [137] 137,63 unequal: No Solution Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 77*60=4620, Resulting Numbers: [4620] 4620,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[77, 16], Operations: ['28-22=6', '10+6=16'] Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,63 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,63 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,63 unequal: No Solution No 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: 63:[28, 10, 55], Operations: ['77-22=55'] Exploring Operation: 55-28=27, Resulting Numbers: [10, 27] Generated Node #0,4,0: 63:[10, 27] Operation: 55-28=27 Exploring Operation: 28+55=83, Resulting Numbers: [10, 83] Generated Node #0,4,1: 63:[10, 83] Operation: 28+55=83 Exploring Operation: 10+55=65, Resulting Numbers: [28, 65] Generated Node #0,4,2: 63:[28, 65] Operation: 10+55=65 Exploring Operation: 28-10=18, Resulting Numbers: [55, 18] Generated Node #0,4,3: 63:[55, 18] Operation: 28-10=18 Exploring Operation: 28+10=38, Resulting Numbers: [55, 38] Generated Node #0,4,4: 63:[55, 38] Operation: 28+10=38 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 63:[10, 27], Operations: ['77-22=55', '55-28=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,63 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 63:[28, 65], Operations: ['77-22=55', '10+55=65'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,63 unequal: No Solution Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 63:[55, 18], Operations: ['77-22=55', '28-10=18'] Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,63 unequal: No Solution Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 63:[10, 83], Operations: ['77-22=55', '28+55=83'] Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,63 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,63 unequal: No Solution Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 63:[55, 38], Operations: ['77-22=55', '28+10=38'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,63 unequal: No Solution Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[22, 77, 18], Operations: ['28-10=18'] Exploring Operation: 77-18=59, Resulting Numbers: [22, 59] Generated Node #0,3,0: 63:[22, 59] Operation: 77-18=59 Exploring Operation: 77+18=95, Resulting Numbers: [22, 95] Generated Node #0,3,1: 63:[22, 95] Operation: 77+18=95 Exploring Operation: 77-22=55, Resulting Numbers: [18, 55] Generated Node #0,3,2: 63:[18, 55] Operation: 77-22=55 Exploring Operation: 22-18=4, Resulting Numbers: [77, 4] Generated Node #0,3,3: 63:[77, 4] Operation: 22-18=4 Exploring Operation: 22+18=40, Resulting Numbers: [77, 40] Generated Node #0,3,4: 63:[77, 40] Operation: 22+18=40 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 63:[22, 59], Operations: ['28-10=18', '77-18=59'] Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,63 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 63:[18, 55], Operations: ['28-10=18', '77-22=55'] Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,63 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 63:[77, 4], Operations: ['28-10=18', '22-18=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,63 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 63:[22, 95], Operations: ['28-10=18', '77+18=95'] Exploring Operation: 22*95=2090, Resulting Numbers: [2090] 2090,63 unequal: No Solution Exploring Operation: 22+95=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 63:[77, 40], Operations: ['28-10=18', '22+18=40'] Exploring Operation: 77+40=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 77*40=3080, Resulting Numbers: [3080] 3080,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 16, 30, 59, 93 ]
20
[ "30-16=14", "93-59=34", "34-14=20" ]
Current State: 20:[16, 30, 59, 93], Operations: [] Exploring Operation: 30-16=14, Resulting Numbers: [59, 93, 14] Generated Node #2: [59, 93, 14] from Operation: 30-16=14 Current State: 20:[59, 93, 14], Operations: ['30-16=14'] Exploring Operation: 93-59=34, Resulting Numbers: [14, 34] Generated Node #3: [14, 34] from Operation: 93-59=34 Current State: 20:[14, 34], Operations: ['30-16=14', '93-59=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[16, 30, 59, 93], Operations: [] Exploring Operation: 93-59=34, Resulting Numbers: [16, 30, 34] Generated Node #0,0: 20:[16, 30, 34] Operation: 93-59=34 Exploring Operation: 59-30=29, Resulting Numbers: [16, 93, 29] Generated Node #0,1: 20:[16, 93, 29] Operation: 59-30=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[16, 30, 34], Operations: ['93-59=34'] Exploring Operation: 34-30=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 20:[16, 4] Operation: 34-30=4 Exploring Operation: 34-16=18, Resulting Numbers: [30, 18] Generated Node #0,0,1: 20:[30, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[16, 4], Operations: ['93-59=34', '34-30=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[16, 30, 59, 93], Operations: [] Exploring Operation: 93-59=34, Resulting Numbers: [16, 30, 34] Generated Node #0,0: 20:[16, 30, 34] Operation: 93-59=34 Moving to Node #0,0 Current State: 20:[16, 30, 34], Operations: ['93-59=34'] Exploring Operation: 34-30=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 20:[16, 4] Operation: 34-30=4 Moving to Node #0,0,0 Current State: 20:[16, 4], Operations: ['93-59=34', '34-30=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 7, 95, 78, 2 ]
97
[ "7-2=5", "95/5=19", "78+19=97" ]
Current State: 97:[7, 95, 78, 2], Operations: [] Exploring Operation: 7-2=5, Resulting Numbers: [95, 78, 5] Generated Node #2: [95, 78, 5] from Operation: 7-2=5 Current State: 97:[95, 78, 5], Operations: ['7-2=5'] Exploring Operation: 95/5=19, Resulting Numbers: [78, 19] Generated Node #3: [78, 19] from Operation: 95/5=19 Current State: 97:[78, 19], Operations: ['7-2=5', '95/5=19'] Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[7, 95, 78, 2], Operations: [] Exploring Operation: 7+78=85, Resulting Numbers: [95, 2, 85] Generated Node #0,0: 97:[95, 2, 85] Operation: 7+78=85 Exploring Operation: 7+2=9, Resulting Numbers: [95, 78, 9] Generated Node #0,1: 97:[95, 78, 9] Operation: 7+2=9 Exploring Operation: 95+2=97, Resulting Numbers: [7, 78, 97] Generated Node #0,2: 97:[7, 78, 97] Operation: 95+2=97 Exploring Operation: 7*2=14, Resulting Numbers: [95, 78, 14] Generated Node #0,3: 97:[95, 78, 14] Operation: 7*2=14 Exploring Operation: 78+2=80, Resulting Numbers: [7, 95, 80] Generated Node #0,4: 97:[7, 95, 80] Operation: 78+2=80 Moving to Node #0,3 Current State: 97:[95, 78, 14], Operations: ['7*2=14'] Exploring Operation: 95+78=173, Resulting Numbers: [14, 173] Generated Node #0,3,0: 97:[14, 173] Operation: 95+78=173 Exploring Operation: 95-14=81, Resulting Numbers: [78, 81] Generated Node #0,3,1: 97:[78, 81] Operation: 95-14=81 Exploring Operation: 78-14=64, Resulting Numbers: [95, 64] Generated Node #0,3,2: 97:[95, 64] Operation: 78-14=64 Exploring Operation: 95+14=109, Resulting Numbers: [78, 109] Generated Node #0,3,3: 97:[78, 109] Operation: 95+14=109 Exploring Operation: 78+14=92, Resulting Numbers: [95, 92] Generated Node #0,3,4: 97:[95, 92] Operation: 78+14=92 Moving to Node #0,1 Current State: 97:[95, 78, 9], Operations: ['7+2=9'] Exploring Operation: 95+78=173, Resulting Numbers: [9, 173] Generated Node #0,1,0: 97:[9, 173] Operation: 95+78=173 Exploring Operation: 95-9=86, Resulting Numbers: [78, 86] Generated Node #0,1,1: 97:[78, 86] Operation: 95-9=86 Exploring Operation: 78-9=69, Resulting Numbers: [95, 69] Generated Node #0,1,2: 97:[95, 69] Operation: 78-9=69 Exploring Operation: 95+9=104, Resulting Numbers: [78, 104] Generated Node #0,1,3: 97:[78, 104] Operation: 95+9=104 Exploring Operation: 78+9=87, Resulting Numbers: [95, 87] Generated Node #0,1,4: 97:[95, 87] Operation: 78+9=87 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 97:[95, 87], Operations: ['7+2=9', '78+9=87'] Exploring Operation: 95*87=8265, Resulting Numbers: [8265] 8265,97 unequal: No Solution Exploring Operation: 95-87=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 95+87=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[78, 104], Operations: ['7+2=9', '95+9=104'] Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,97 unequal: No Solution Exploring Operation: 78+104=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 78*104=8112, Resulting Numbers: [8112] 8112,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[78, 86], Operations: ['7+2=9', '95-9=86'] Exploring Operation: 78*86=6708, Resulting Numbers: [6708] 6708,97 unequal: No Solution Exploring Operation: 78+86=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 86-78=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[95, 69], Operations: ['7+2=9', '78-9=69'] Exploring Operation: 95*69=6555, Resulting Numbers: [6555] 6555,97 unequal: No Solution Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,97 unequal: No Solution Exploring Operation: 95+69=164, Resulting Numbers: [164] 164,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[9, 173], Operations: ['7+2=9', '95+78=173'] Exploring Operation: 9*173=1557, Resulting Numbers: [1557] 1557,97 unequal: No Solution Exploring Operation: 9+173=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 173-9=164, Resulting Numbers: [164] 164,97 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: 97:[7, 95, 80], Operations: ['78+2=80'] Exploring Operation: 7+95=102, Resulting Numbers: [80, 102] Generated Node #0,4,0: 97:[80, 102] Operation: 7+95=102 Exploring Operation: 95-7=88, Resulting Numbers: [80, 88] Generated Node #0,4,1: 97:[80, 88] Operation: 95-7=88 Exploring Operation: 80-7=73, Resulting Numbers: [95, 73] Generated Node #0,4,2: 97:[95, 73] Operation: 80-7=73 Exploring Operation: 95+80=175, Resulting Numbers: [7, 175] Generated Node #0,4,3: 97:[7, 175] Operation: 95+80=175 Exploring Operation: 7+80=87, Resulting Numbers: [95, 87] Generated Node #0,4,4: 97:[95, 87] Operation: 7+80=87 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 97:[95, 87], Operations: ['78+2=80', '7+80=87'] Exploring Operation: 95+87=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 95*87=8265, Resulting Numbers: [8265] 8265,97 unequal: No Solution Exploring Operation: 95-87=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 97:[80, 102], Operations: ['78+2=80', '7+95=102'] Exploring Operation: 102-80=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 80*102=8160, Resulting Numbers: [8160] 8160,97 unequal: No Solution Exploring Operation: 80+102=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 97:[80, 88], Operations: ['78+2=80', '95-7=88'] Exploring Operation: 80+88=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 80*88=7040, Resulting Numbers: [7040] 7040,97 unequal: No Solution Exploring Operation: 88-80=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 97:[95, 73], Operations: ['78+2=80', '80-7=73'] Exploring Operation: 95+73=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 95-73=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 95*73=6935, Resulting Numbers: [6935] 6935,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 97:[7, 175], Operations: ['78+2=80', '95+80=175'] Exploring Operation: 175-7=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 175/7=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 7+175=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 7*175=1225, Resulting Numbers: [1225] 1225,97 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: 97:[95, 2, 85], Operations: ['7+78=85'] Exploring Operation: 2*85=170, Resulting Numbers: [95, 170] Generated Node #0,0,0: 97:[95, 170] Operation: 2*85=170 Exploring Operation: 95-2=93, Resulting Numbers: [85, 93] Generated Node #0,0,1: 97:[85, 93] Operation: 95-2=93 Exploring Operation: 85-2=83, Resulting Numbers: [95, 83] Generated Node #0,0,2: 97:[95, 83] Operation: 85-2=83 Exploring Operation: 95+2=97, Resulting Numbers: [85, 97] Generated Node #0,0,3: 97:[85, 97] Operation: 95+2=97 Exploring Operation: 2+85=87, Resulting Numbers: [95, 87] Generated Node #0,0,4: 97:[95, 87] Operation: 2+85=87 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[85, 97], Operations: ['7+78=85', '95+2=97'] Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 85*97=8245, Resulting Numbers: [8245] 8245,97 unequal: No Solution Exploring Operation: 85+97=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[95, 87], Operations: ['7+78=85', '2+85=87'] Exploring Operation: 95-87=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 95*87=8265, Resulting Numbers: [8265] 8265,97 unequal: No Solution Exploring Operation: 95+87=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[85, 93], Operations: ['7+78=85', '95-2=93'] Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,97 unequal: No Solution Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,97 unequal: No Solution Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[95, 83], Operations: ['7+78=85', '85-2=83'] Exploring Operation: 95*83=7885, Resulting Numbers: [7885] 7885,97 unequal: No Solution Exploring Operation: 95-83=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 95+83=178, Resulting Numbers: [178] 178,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[95, 170], Operations: ['7+78=85', '2*85=170'] Exploring Operation: 95*170=16150, Resulting Numbers: [16150] 16150,97 unequal: No Solution Exploring Operation: 95+170=265, Resulting Numbers: [265] 265,97 unequal: No Solution Exploring Operation: 170-95=75, Resulting Numbers: [75] 75,97 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: 97:[7, 78, 97], Operations: ['95+2=97'] Exploring Operation: 7+97=104, Resulting Numbers: [78, 104] Generated Node #0,2,0: 97:[78, 104] Operation: 7+97=104 Exploring Operation: 78+97=175, Resulting Numbers: [7, 175] Generated Node #0,2,1: 97:[7, 175] Operation: 78+97=175 Exploring Operation: 78-7=71, Resulting Numbers: [97, 71] Generated Node #0,2,2: 97:[97, 71] Operation: 78-7=71 Exploring Operation: 7+78=85, Resulting Numbers: [97, 85] Generated Node #0,2,3: 97:[97, 85] Operation: 7+78=85 Exploring Operation: 97-7=90, Resulting Numbers: [78, 90] Generated Node #0,2,4: 97:[78, 90] Operation: 97-7=90 Moving to Node #0,3,4 Current State: 97:[95, 92], Operations: ['7*2=14', '78+14=92'] Exploring Operation: 95+92=187, Resulting Numbers: [187] 187,97 unequal: No Solution Exploring Operation: 95*92=8740, Resulting Numbers: [8740] 8740,97 unequal: No Solution Exploring Operation: 95-92=3, Resulting Numbers: [3] 3,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[97, 85], Operations: ['95+2=97', '7+78=85'] Exploring Operation: 97*85=8245, Resulting Numbers: [8245] 8245,97 unequal: No Solution Exploring Operation: 97+85=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[78, 104], Operations: ['95+2=97', '7+97=104'] Exploring Operation: 78+104=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 78*104=8112, Resulting Numbers: [8112] 8112,97 unequal: No Solution Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[97, 71], Operations: ['95+2=97', '78-7=71'] Exploring Operation: 97+71=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 97-71=26, Resulting Numbers: [26] 26,97 unequal: No Solution Exploring Operation: 97*71=6887, Resulting Numbers: [6887] 6887,97 unequal: No Solution Moving to Node #0,2,4 Current State: 97:[78, 90], Operations: ['95+2=97', '97-7=90'] Exploring Operation: 78*90=7020, Resulting Numbers: [7020] 7020,97 unequal: No Solution Exploring Operation: 78+90=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[78, 109], Operations: ['7*2=14', '95+14=109'] Exploring Operation: 78+109=187, Resulting Numbers: [187] 187,97 unequal: No Solution Exploring Operation: 109-78=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 78*109=8502, Resulting Numbers: [8502] 8502,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[78, 81], Operations: ['7*2=14', '95-14=81'] Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 78+81=159, Resulting Numbers: [159] 159,97 unequal: No Solution Exploring Operation: 78*81=6318, Resulting Numbers: [6318] 6318,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[95, 64], Operations: ['7*2=14', '78-14=64'] Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 95*64=6080, Resulting Numbers: [6080] 6080,97 unequal: No Solution Exploring Operation: 95+64=159, Resulting Numbers: [159] 159,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[14, 173], Operations: ['7*2=14', '95+78=173'] Exploring Operation: 14+173=187, Resulting Numbers: [187] 187,97 unequal: No Solution Exploring Operation: 14*173=2422, Resulting Numbers: [2422] 2422,97 unequal: No Solution Exploring Operation: 173-14=159, Resulting Numbers: [159] 159,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[7, 175], Operations: ['95+2=97', '78+97=175'] Exploring Operation: 175-7=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 7+175=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 175/7=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 7*175=1225, Resulting Numbers: [1225] 1225,97 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 28, 68, 52, 48 ]
26
[ "28+68=96", "52*48=2496", "2496/96=26" ]
Current State: 26:[28, 68, 52, 48], Operations: [] Exploring Operation: 28+68=96, Resulting Numbers: [52, 48, 96] Generated Node #2: [52, 48, 96] from Operation: 28+68=96 Current State: 26:[52, 48, 96], Operations: ['28+68=96'] Exploring Operation: 52*48=2496, Resulting Numbers: [96, 2496] Generated Node #3: [96, 2496] from Operation: 52*48=2496 Current State: 26:[96, 2496], Operations: ['28+68=96', '52*48=2496'] Exploring Operation: 2496/96=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[28, 68, 52, 48], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [28, 68, 4] Generated Node #0,0: 26:[28, 68, 4] Operation: 52-48=4 Exploring Operation: 68-52=16, Resulting Numbers: [28, 48, 16] Generated Node #0,1: 26:[28, 48, 16] Operation: 68-52=16 Exploring Operation: 68-48=20, Resulting Numbers: [28, 52, 20] Generated Node #0,2: 26:[28, 52, 20] Operation: 68-48=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[28, 48, 16], Operations: ['68-52=16'] Exploring Operation: 48-16=32, Resulting Numbers: [28, 32] Generated Node #0,1,0: 26:[28, 32] Operation: 48-16=32 Exploring Operation: 48/16=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 26:[28, 3] Operation: 48/16=3 Exploring Operation: 48-28=20, Resulting Numbers: [16, 20] Generated Node #0,1,2: 26:[16, 20] Operation: 48-28=20 Moving to Node #0,1,1 Current State: 26:[28, 3], Operations: ['68-52=16', '48/16=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[28, 32], Operations: ['68-52=16', '48-16=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,26 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[16, 20], Operations: ['68-52=16', '48-28=20'] Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 16*20=320, Resulting Numbers: [320] 320,26 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 #0,2 Current State: 26:[28, 52, 20], Operations: ['68-48=20'] Exploring Operation: 28-20=8, Resulting Numbers: [52, 8] Generated Node #0,2,0: 26:[52, 8] Operation: 28-20=8 Exploring Operation: 52-20=32, Resulting Numbers: [28, 32] Generated Node #0,2,1: 26:[28, 32] Operation: 52-20=32 Exploring Operation: 52-28=24, Resulting Numbers: [20, 24] Generated Node #0,2,2: 26:[20, 24] Operation: 52-28=24 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[28, 32], Operations: ['68-48=20', '52-20=32'] Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,26 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,26 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:[20, 24], Operations: ['68-48=20', '52-28=24'] Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,26 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 24-20=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 #0,2,0 Current State: 26:[52, 8], Operations: ['68-48=20', '28-20=8'] Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,26 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,26 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:[28, 68, 4], Operations: ['52-48=4'] Exploring Operation: 68-4=64, Resulting Numbers: [28, 64] Generated Node #0,0,0: 26:[28, 64] Operation: 68-4=64 Exploring Operation: 68-28=40, Resulting Numbers: [4, 40] Generated Node #0,0,1: 26:[4, 40] Operation: 68-28=40 Exploring Operation: 68/4=17, Resulting Numbers: [28, 17] Generated Node #0,0,2: 26:[28, 17] Operation: 68/4=17 Moving to Node #0,0,2 Current State: 26:[28, 17], Operations: ['52-48=4', '68/4=17'] Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,26 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[4, 40], Operations: ['52-48=4', '68-28=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[28, 64], Operations: ['52-48=4', '68-4=64'] Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,26 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,26 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
[ 64, 59, 23, 69 ]
41
[ "64+59=123", "69/23=3", "123/3=41" ]
Current State: 41:[64, 59, 23, 69], Operations: [] Exploring Operation: 64+59=123, Resulting Numbers: [23, 69, 123] Generated Node #2: [23, 69, 123] from Operation: 64+59=123 Current State: 41:[23, 69, 123], Operations: ['64+59=123'] Exploring Operation: 69/23=3, Resulting Numbers: [123, 3] Generated Node #3: [123, 3] from Operation: 69/23=3 Current State: 41:[123, 3], Operations: ['64+59=123', '69/23=3'] Exploring Operation: 123/3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[64, 59, 23, 69], Operations: [] Exploring Operation: 59-23=36, Resulting Numbers: [64, 69, 36] Generated Node #0,0: 41:[64, 69, 36] Operation: 59-23=36 Exploring Operation: 64-23=41, Resulting Numbers: [59, 69, 41] Generated Node #0,1: 41:[59, 69, 41] Operation: 64-23=41 Exploring Operation: 69-23=46, Resulting Numbers: [64, 59, 46] Generated Node #0,2: 41:[64, 59, 46] Operation: 69-23=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[59, 69, 41], Operations: ['64-23=41'] Exploring Operation: 59-41=18, Resulting Numbers: [69, 18] Generated Node #0,1,0: 41:[69, 18] Operation: 59-41=18 Exploring Operation: 69-59=10, Resulting Numbers: [41, 10] Generated Node #0,1,1: 41:[41, 10] Operation: 69-59=10 Exploring Operation: 69-41=28, Resulting Numbers: [59, 28] Generated Node #0,1,2: 41:[59, 28] Operation: 69-41=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[41, 10], Operations: ['64-23=41', '69-59=10'] Exploring Operation: 41*10=410, Resulting Numbers: [410] 410,41 unequal: No Solution Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,41 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:[59, 28], Operations: ['64-23=41', '69-41=28'] Exploring Operation: 59*28=1652, Resulting Numbers: [1652] 1652,41 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,41 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:[69, 18], Operations: ['64-23=41', '59-41=18'] Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,41 unequal: No Solution Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,41 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,41 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:[64, 59, 46], Operations: ['69-23=46'] Exploring Operation: 64-59=5, Resulting Numbers: [46, 5] Generated Node #0,2,0: 41:[46, 5] Operation: 64-59=5 Exploring Operation: 59-46=13, Resulting Numbers: [64, 13] Generated Node #0,2,1: 41:[64, 13] Operation: 59-46=13 Exploring Operation: 64-46=18, Resulting Numbers: [59, 18] Generated Node #0,2,2: 41:[59, 18] Operation: 64-46=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 41:[46, 5], Operations: ['69-23=46', '64-59=5'] Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[64, 59, 23, 69], Operations: [] Exploring Operation: 69-23=46, Resulting Numbers: [64, 59, 46] Generated Node #0,2: 41:[64, 59, 46] Operation: 69-23=46 Moving to Node #0,2 Current State: 41:[64, 59, 46], Operations: ['69-23=46'] Exploring Operation: 64-59=5, Resulting Numbers: [46, 5] Generated Node #0,2,0: 41:[46, 5] Operation: 64-59=5 Moving to Node #0,2,0 Current State: 41:[46, 5], Operations: ['69-23=46', '64-59=5'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 1, 4, 40, 81 ]
83
[ "1+40=41", "4*41=164", "164-81=83" ]
Current State: 83:[1, 4, 40, 81], Operations: [] Exploring Operation: 1+40=41, Resulting Numbers: [4, 81, 41] Generated Node #2: [4, 81, 41] from Operation: 1+40=41 Current State: 83:[4, 81, 41], Operations: ['1+40=41'] Exploring Operation: 4*41=164, Resulting Numbers: [81, 164] Generated Node #3: [81, 164] from Operation: 4*41=164 Current State: 83:[81, 164], Operations: ['1+40=41', '4*41=164'] Exploring Operation: 164-81=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[1, 4, 40, 81], Operations: [] Exploring Operation: 1+4=5, Resulting Numbers: [40, 81, 5] Generated Node #0,0: 83:[40, 81, 5] Operation: 1+4=5 Exploring Operation: 4+40=44, Resulting Numbers: [1, 81, 44] Generated Node #0,1: 83:[1, 81, 44] Operation: 4+40=44 Exploring Operation: 1+81=82, Resulting Numbers: [4, 40, 82] Generated Node #0,2: 83:[4, 40, 82] Operation: 1+81=82 Exploring Operation: 1+40=41, Resulting Numbers: [4, 81, 41] Generated Node #0,3: 83:[4, 81, 41] Operation: 1+40=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[40, 81, 5], Operations: ['1+4=5'] Exploring Operation: 40-5=35, Resulting Numbers: [81, 35] Generated Node #0,0,0: 83:[81, 35] Operation: 40-5=35 Exploring Operation: 81-5=76, Resulting Numbers: [40, 76] Generated Node #0,0,1: 83:[40, 76] Operation: 81-5=76 Exploring Operation: 81+5=86, Resulting Numbers: [40, 86] Generated Node #0,0,2: 83:[40, 86] Operation: 81+5=86 Exploring Operation: 40+5=45, Resulting Numbers: [81, 45] Generated Node #0,0,3: 83:[81, 45] Operation: 40+5=45 Moving to Node #0,0,3 Current State: 83:[81, 45], Operations: ['1+4=5', '40+5=45'] Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[40, 86], Operations: ['1+4=5', '81+5=86'] Exploring Operation: 40+86=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 40*86=3440, Resulting Numbers: [3440] 3440,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[40, 76], Operations: ['1+4=5', '81-5=76'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 40*76=3040, Resulting Numbers: [3040] 3040,83 unequal: No Solution Exploring Operation: 40+76=116, Resulting Numbers: [116] 116,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[81, 35], Operations: ['1+4=5', '40-5=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[1, 81, 44], Operations: ['4+40=44'] Exploring Operation: 1*81=81, Resulting Numbers: [44, 81] Generated Node #0,1,0: 83:[44, 81] Operation: 1*81=81 Exploring Operation: 1+81=82, Resulting Numbers: [44, 82] Generated Node #0,1,1: 83:[44, 82] Operation: 1+81=82 Exploring Operation: 1+44=45, Resulting Numbers: [81, 45] Generated Node #0,1,2: 83:[81, 45] Operation: 1+44=45 Exploring Operation: 81/1=81, Resulting Numbers: [44, 81] Generated Node #0,1,3: 83:[44, 81] Operation: 81/1=81 Moving to Node #0,1,1 Current State: 83:[44, 82], Operations: ['4+40=44', '1+81=82'] Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,83 unequal: No Solution Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[81, 45], Operations: ['4+40=44', '1+44=45'] Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,83 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[44, 81], Operations: ['4+40=44', '81/1=81'] Exploring Operation: 44+81=125, Resulting Numbers: [125] 125,83 unequal: No Solution Exploring Operation: 44*81=3564, Resulting Numbers: [3564] 3564,83 unequal: No Solution Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[44, 81], Operations: ['4+40=44', '1*81=81'] Exploring Operation: 44*81=3564, Resulting Numbers: [3564] 3564,83 unequal: No Solution Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 44+81=125, Resulting Numbers: [125] 125,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[4, 40, 82], Operations: ['1+81=82'] Exploring Operation: 4+40=44, Resulting Numbers: [82, 44] Generated Node #0,2,0: 83:[82, 44] Operation: 4+40=44 Exploring Operation: 40-4=36, Resulting Numbers: [82, 36] Generated Node #0,2,1: 83:[82, 36] Operation: 40-4=36 Exploring Operation: 82-4=78, Resulting Numbers: [40, 78] Generated Node #0,2,2: 83:[40, 78] Operation: 82-4=78 Exploring Operation: 4+82=86, Resulting Numbers: [40, 86] Generated Node #0,2,3: 83:[40, 86] Operation: 4+82=86 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[82, 44], Operations: ['1+81=82', '4+40=44'] Exploring Operation: 82+44=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 82*44=3608, Resulting Numbers: [3608] 3608,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 83:[40, 86], Operations: ['1+81=82', '4+82=86'] Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 40*86=3440, Resulting Numbers: [3440] 3440,83 unequal: No Solution Exploring Operation: 40+86=126, Resulting Numbers: [126] 126,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[82, 36], Operations: ['1+81=82', '40-4=36'] Exploring Operation: 82+36=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 82*36=2952, Resulting Numbers: [2952] 2952,83 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[40, 78], Operations: ['1+81=82', '82-4=78'] Exploring Operation: 40*78=3120, Resulting Numbers: [3120] 3120,83 unequal: No Solution Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 40+78=118, Resulting Numbers: [118] 118,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[4, 81, 41], Operations: ['1+40=41'] Exploring Operation: 4+81=85, Resulting Numbers: [41, 85] Generated Node #0,3,0: 83:[41, 85] Operation: 4+81=85 Exploring Operation: 81-4=77, Resulting Numbers: [41, 77] Generated Node #0,3,1: 83:[41, 77] Operation: 81-4=77 Exploring Operation: 41-4=37, Resulting Numbers: [81, 37] Generated Node #0,3,2: 83:[81, 37] Operation: 41-4=37 Exploring Operation: 4+41=45, Resulting Numbers: [81, 45] Generated Node #0,3,3: 83:[81, 45] Operation: 4+41=45 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 83:[81, 45], Operations: ['1+40=41', '4+41=45'] Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,83 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[41, 85], Operations: ['1+40=41', '4+81=85'] Exploring Operation: 41*85=3485, Resulting Numbers: [3485] 3485,83 unequal: No Solution Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,83 unequal: No Solution Exploring Operation: 41+85=126, Resulting Numbers: [126] 126,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 83:[41, 77], Operations: ['1+40=41', '81-4=77'] Exploring Operation: 41*77=3157, Resulting Numbers: [3157] 3157,83 unequal: No Solution Exploring Operation: 77-41=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 41+77=118, Resulting Numbers: [118] 118,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[81, 37], Operations: ['1+40=41', '41-4=37'] Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,83 unequal: No Solution Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 42, 40, 24, 18 ]
15
[ "42-40=2", "18/2=9", "24-9=15" ]
Current State: 15:[42, 40, 24, 18], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [24, 18, 2] Generated Node #2: [24, 18, 2] from Operation: 42-40=2 Current State: 15:[24, 18, 2], Operations: ['42-40=2'] Exploring Operation: 18/2=9, Resulting Numbers: [24, 9] Generated Node #3: [24, 9] from Operation: 18/2=9 Current State: 15:[24, 9], Operations: ['42-40=2', '18/2=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[42, 40, 24, 18], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [24, 18, 2] Generated Node #0,0: 15:[24, 18, 2] Operation: 42-40=2 Exploring Operation: 40-24=16, Resulting Numbers: [42, 18, 16] Generated Node #0,1: 15:[42, 18, 16] Operation: 40-24=16 Exploring Operation: 42-18=24, Resulting Numbers: [40, 24, 24] Generated Node #0,2: 15:[40, 24, 24] Operation: 42-18=24 Exploring Operation: 42-24=18, Resulting Numbers: [40, 18, 18] Generated Node #0,3: 15:[40, 18, 18] Operation: 42-24=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[24, 18, 2], Operations: ['42-40=2'] Exploring Operation: 18-2=16, Resulting Numbers: [24, 16] Generated Node #0,0,0: 15:[24, 16] Operation: 18-2=16 Exploring Operation: 24-2=22, Resulting Numbers: [18, 22] Generated Node #0,0,1: 15:[18, 22] Operation: 24-2=22 Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 15:[2, 6] Operation: 24-18=6 Exploring Operation: 24/2=12, Resulting Numbers: [18, 12] Generated Node #0,0,3: 15:[18, 12] Operation: 24/2=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[2, 6], Operations: ['42-40=2', '24-18=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 15:[18, 12], Operations: ['42-40=2', '24/2=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[24, 16], Operations: ['42-40=2', '18-2=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,15 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 15:[18, 22], Operations: ['42-40=2', '24-2=22'] Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,15 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,15 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: 15:[42, 18, 16], Operations: ['40-24=16'] Exploring Operation: 42-18=24, Resulting Numbers: [16, 24] Generated Node #0,1,0: 15:[16, 24] Operation: 42-18=24 Exploring Operation: 18-16=2, Resulting Numbers: [42, 2] Generated Node #0,1,1: 15:[42, 2] Operation: 18-16=2 Exploring Operation: 42+18=60, Resulting Numbers: [16, 60] Generated Node #0,1,2: 15:[16, 60] Operation: 42+18=60 Exploring Operation: 42-16=26, Resulting Numbers: [18, 26] Generated Node #0,1,3: 15:[18, 26] Operation: 42-16=26 Moving to Node #0,1,0 Current State: 15:[16, 24], Operations: ['40-24=16', '42-18=24'] Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[18, 26], Operations: ['40-24=16', '42-16=26'] Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,15 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[42, 2], Operations: ['40-24=16', '18-16=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[16, 60], Operations: ['40-24=16', '42+18=60'] Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 16*60=960, Resulting Numbers: [960] 960,15 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 #0,3 Current State: 15:[40, 18, 18], Operations: ['42-24=18'] Exploring Operation: 40-18=22, Resulting Numbers: [18, 22] Generated Node #0,3,0: 15:[18, 22] Operation: 40-18=22 Exploring Operation: 18/18=1, Resulting Numbers: [40, 1] Generated Node #0,3,1: 15:[40, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [40, 0] Generated Node #0,3,2: 15:[40, 0] Operation: 18-18=0 Exploring Operation: 40-18=22, Resulting Numbers: [18, 22] Generated Node #0,3,3: 15:[18, 22] Operation: 40-18=22 Moving to Node #0,3,0 Current State: 15:[18, 22], Operations: ['42-24=18', '40-18=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[18, 22], Operations: ['42-24=18', '40-18=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[40, 1], Operations: ['42-24=18', '18/18=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[40, 0], Operations: ['42-24=18', '18-18=0'] Exploring Operation: 40-0=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 40*0=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 40+0=40, Resulting Numbers: [40] 40,15 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 #0,2 Current State: 15:[40, 24, 24], Operations: ['42-18=24'] Exploring Operation: 40-24=16, Resulting Numbers: [24, 16] Generated Node #0,2,0: 15:[24, 16] Operation: 40-24=16 Exploring Operation: 40-24=16, Resulting Numbers: [24, 16] Generated Node #0,2,1: 15:[24, 16] Operation: 40-24=16 Exploring Operation: 24-24=0, Resulting Numbers: [40, 0] Generated Node #0,2,2: 15:[40, 0] Operation: 24-24=0 Exploring Operation: 24/24=1, Resulting Numbers: [40, 1] Generated Node #0,2,3: 15:[40, 1] Operation: 24/24=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[24, 16], Operations: ['42-18=24', '40-24=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,15 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[24, 16], Operations: ['42-18=24', '40-24=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,15 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 15:[40, 1], Operations: ['42-18=24', '24/24=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,15 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[40, 0], Operations: ['42-18=24', '24-24=0'] Exploring Operation: 40+0=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 40*0=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 40-0=40, Resulting Numbers: [40] 40,15 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
[ 10, 70, 66, 23 ]
50
[ "70/10=7", "66-23=43", "7+43=50" ]
Current State: 50:[10, 70, 66, 23], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [66, 23, 7] Generated Node #2: [66, 23, 7] from Operation: 70/10=7 Current State: 50:[66, 23, 7], Operations: ['70/10=7'] Exploring Operation: 66-23=43, Resulting Numbers: [7, 43] Generated Node #3: [7, 43] from Operation: 66-23=43 Current State: 50:[7, 43], Operations: ['70/10=7', '66-23=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[10, 70, 66, 23], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [10, 23, 4] Generated Node #0,0: 50:[10, 23, 4] Operation: 70-66=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[10, 23, 4], Operations: ['70-66=4'] Exploring Operation: 23+4=27, Resulting Numbers: [10, 27] Generated Node #0,0,0: 50:[10, 27] Operation: 23+4=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[10, 27], Operations: ['70-66=4', '23+4=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 42, 66, 14, 12 ]
22
[ "66-42=24", "14-12=2", "24-2=22" ]
Current State: 22:[42, 66, 14, 12], Operations: [] Exploring Operation: 66-42=24, Resulting Numbers: [14, 12, 24] Generated Node #2: [14, 12, 24] from Operation: 66-42=24 Current State: 22:[14, 12, 24], Operations: ['66-42=24'] Exploring Operation: 14-12=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 14-12=2 Current State: 22:[24, 2], Operations: ['66-42=24', '14-12=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[42, 66, 14, 12], Operations: [] Exploring Operation: 42-14=28, Resulting Numbers: [66, 12, 28] Generated Node #0,0: 22:[66, 12, 28] Operation: 42-14=28 Exploring Operation: 42/14=3, Resulting Numbers: [66, 12, 3] Generated Node #0,1: 22:[66, 12, 3] Operation: 42/14=3 Exploring Operation: 66-42=24, Resulting Numbers: [14, 12, 24] Generated Node #0,2: 22:[14, 12, 24] Operation: 66-42=24 Exploring Operation: 42-12=30, Resulting Numbers: [66, 14, 30] Generated Node #0,3: 22:[66, 14, 30] Operation: 42-12=30 Exploring Operation: 66-14=52, Resulting Numbers: [42, 12, 52] Generated Node #0,4: 22:[42, 12, 52] Operation: 66-14=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[14, 12, 24], Operations: ['66-42=24'] Exploring Operation: 14+12=26, Resulting Numbers: [24, 26] Generated Node #0,2,0: 22:[24, 26] Operation: 14+12=26 Exploring Operation: 24-14=10, Resulting Numbers: [12, 10] Generated Node #0,2,1: 22:[12, 10] Operation: 24-14=10 Exploring Operation: 14-12=2, Resulting Numbers: [24, 2] Generated Node #0,2,2: 22:[24, 2] Operation: 14-12=2 Exploring Operation: 24-12=12, Resulting Numbers: [14, 12] Generated Node #0,2,3: 22:[14, 12] Operation: 24-12=12 Exploring Operation: 24/12=2, Resulting Numbers: [14, 2] Generated Node #0,2,4: 22:[14, 2] Operation: 24/12=2 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[12, 10], Operations: ['66-42=24', '24-14=10'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[42, 66, 14, 12], Operations: [] Exploring Operation: 66-42=24, Resulting Numbers: [14, 12, 24] Generated Node #0,2: 22:[14, 12, 24] Operation: 66-42=24 Moving to Node #0,2 Current State: 22:[14, 12, 24], Operations: ['66-42=24'] Exploring Operation: 24-14=10, Resulting Numbers: [12, 10] Generated Node #0,2,1: 22:[12, 10] Operation: 24-14=10 Moving to Node #0,2,1 Current State: 22:[12, 10], Operations: ['66-42=24', '24-14=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 61, 63, 54, 31 ]
22
[ "61-54=7", "63/7=9", "31-9=22" ]
Current State: 22:[61, 63, 54, 31], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [63, 31, 7] Generated Node #2: [63, 31, 7] from Operation: 61-54=7 Current State: 22:[63, 31, 7], Operations: ['61-54=7'] Exploring Operation: 63/7=9, Resulting Numbers: [31, 9] Generated Node #3: [31, 9] from Operation: 63/7=9 Current State: 22:[31, 9], Operations: ['61-54=7', '63/7=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[61, 63, 54, 31], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [54, 31, 2] Generated Node #0,0: 22:[54, 31, 2] Operation: 63-61=2 Moving to Node #0,0 Current State: 22:[54, 31, 2], Operations: ['63-61=2'] Exploring Operation: 54-31=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 22:[2, 23] Operation: 54-31=23 Moving to Node #0,0,0 Current State: 22:[2, 23], Operations: ['63-61=2', '54-31=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,22 unequal: No Solution No solution found.
0
hs_1
sum_heuristic