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
[ 24, 41, 70, 26 ]
76
[ "26-24=2", "70/2=35", "41+35=76" ]
Current State: 76:[24, 41, 70, 26], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [41, 70, 2] Generated Node #2: [41, 70, 2] from Operation: 26-24=2 Current State: 76:[41, 70, 2], Operations: ['26-24=2'] Exploring Operation: 70/2=35, Resulting Numbers: [41, 35] Generated Node #3: [41, 35] from Operation: 70/2=35 Current State: 76:[41, 35], Operations: ['26-24=2', '70/2=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[24, 41, 70, 26], Operations: [] Exploring Operation: 70-24=46, Resulting Numbers: [41, 26, 46] Generated Node #0,0: 76:[41, 26, 46] Operation: 70-24=46 Exploring Operation: 70-26=44, Resulting Numbers: [24, 41, 44] Generated Node #0,1: 76:[24, 41, 44] Operation: 70-26=44 Exploring Operation: 41-24=17, Resulting Numbers: [70, 26, 17] Generated Node #0,2: 76:[70, 26, 17] Operation: 41-24=17 Exploring Operation: 26-24=2, Resulting Numbers: [41, 70, 2] Generated Node #0,3: 76:[41, 70, 2] Operation: 26-24=2 Exploring Operation: 41-26=15, Resulting Numbers: [24, 70, 15] Generated Node #0,4: 76:[24, 70, 15] Operation: 41-26=15 Moving to Node #0,3 Current State: 76:[41, 70, 2], Operations: ['26-24=2'] Exploring Operation: 70+2=72, Resulting Numbers: [41, 72] Generated Node #0,3,0: 76:[41, 72] Operation: 70+2=72 Exploring Operation: 70-41=29, Resulting Numbers: [2, 29] Generated Node #0,3,1: 76:[2, 29] Operation: 70-41=29 Exploring Operation: 41+2=43, Resulting Numbers: [70, 43] Generated Node #0,3,2: 76:[70, 43] Operation: 41+2=43 Exploring Operation: 41-2=39, Resulting Numbers: [70, 39] Generated Node #0,3,3: 76:[70, 39] Operation: 41-2=39 Exploring Operation: 70/2=35, Resulting Numbers: [41, 35] Generated Node #0,3,4: 76:[41, 35] Operation: 70/2=35 Moving to Node #0,1 Current State: 76:[24, 41, 44], Operations: ['70-26=44'] Exploring Operation: 41-24=17, Resulting Numbers: [44, 17] Generated Node #0,1,0: 76:[44, 17] Operation: 41-24=17 Exploring Operation: 44-24=20, Resulting Numbers: [41, 20] Generated Node #0,1,1: 76:[41, 20] Operation: 44-24=20 Exploring Operation: 41+44=85, Resulting Numbers: [24, 85] Generated Node #0,1,2: 76:[24, 85] Operation: 41+44=85 Exploring Operation: 44-41=3, Resulting Numbers: [24, 3] Generated Node #0,1,3: 76:[24, 3] Operation: 44-41=3 Exploring Operation: 24+44=68, Resulting Numbers: [41, 68] Generated Node #0,1,4: 76:[41, 68] Operation: 24+44=68 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[41, 20], Operations: ['70-26=44', '44-24=20'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 76:[24, 3], Operations: ['70-26=44', '44-41=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[44, 17], Operations: ['70-26=44', '41-24=17'] Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 76:[41, 68], Operations: ['70-26=44', '24+44=68'] Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 41*68=2788, Resulting Numbers: [2788] 2788,76 unequal: No Solution Exploring Operation: 41+68=109, Resulting Numbers: [109] 109,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[24, 85], Operations: ['70-26=44', '41+44=85'] Exploring Operation: 24+85=109, Resulting Numbers: [109] 109,76 unequal: No Solution Exploring Operation: 24*85=2040, Resulting Numbers: [2040] 2040,76 unequal: No Solution Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,76 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: 76:[70, 26, 17], Operations: ['41-24=17'] Exploring Operation: 26+17=43, Resulting Numbers: [70, 43] Generated Node #0,2,0: 76:[70, 43] Operation: 26+17=43 Exploring Operation: 70-26=44, Resulting Numbers: [17, 44] Generated Node #0,2,1: 76:[17, 44] Operation: 70-26=44 Exploring Operation: 70+17=87, Resulting Numbers: [26, 87] Generated Node #0,2,2: 76:[26, 87] Operation: 70+17=87 Exploring Operation: 70+26=96, Resulting Numbers: [17, 96] Generated Node #0,2,3: 76:[17, 96] Operation: 70+26=96 Exploring Operation: 26-17=9, Resulting Numbers: [70, 9] Generated Node #0,2,4: 76:[70, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[17, 44], Operations: ['41-24=17', '70-26=44'] Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,76 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 #0,2,0 Current State: 76:[70, 43], Operations: ['41-24=17', '26+17=43'] Exploring Operation: 70*43=3010, Resulting Numbers: [3010] 3010,76 unequal: No Solution Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,76 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 #0,2,4 Current State: 76:[70, 9], Operations: ['41-24=17', '26-17=9'] Exploring Operation: 70*9=630, Resulting Numbers: [630] 630,76 unequal: No Solution Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,76 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 #0,2,2 Current State: 76:[26, 87], Operations: ['41-24=17', '70+17=87'] Exploring Operation: 87-26=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 26*87=2262, Resulting Numbers: [2262] 2262,76 unequal: No Solution Exploring Operation: 26+87=113, Resulting Numbers: [113] 113,76 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 #0,2,3 Current State: 76:[17, 96], Operations: ['41-24=17', '70+26=96'] Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 17*96=1632, Resulting Numbers: [1632] 1632,76 unequal: No Solution Exploring Operation: 17+96=113, Resulting Numbers: [113] 113,76 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: 76:[24, 70, 15], Operations: ['41-26=15'] Exploring Operation: 70-24=46, Resulting Numbers: [15, 46] Generated Node #0,4,0: 76:[15, 46] Operation: 70-24=46 Exploring Operation: 70+15=85, Resulting Numbers: [24, 85] Generated Node #0,4,1: 76:[24, 85] Operation: 70+15=85 Exploring Operation: 24-15=9, Resulting Numbers: [70, 9] Generated Node #0,4,2: 76:[70, 9] Operation: 24-15=9 Exploring Operation: 24+70=94, Resulting Numbers: [15, 94] Generated Node #0,4,3: 76:[15, 94] Operation: 24+70=94 Exploring Operation: 24+15=39, Resulting Numbers: [70, 39] Generated Node #0,4,4: 76:[70, 39] Operation: 24+15=39 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 76:[70, 39], Operations: ['41-26=15', '24+15=39'] Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,76 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,76 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,76 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 #0,4,2 Current State: 76:[70, 9], Operations: ['41-26=15', '24-15=9'] Exploring Operation: 70*9=630, Resulting Numbers: [630] 630,76 unequal: No Solution Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,76 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 #0,4,0 Current State: 76:[15, 46], Operations: ['41-26=15', '70-24=46'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,76 unequal: No Solution Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,76 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 #0,4,1 Current State: 76:[24, 85], Operations: ['41-26=15', '70+15=85'] Exploring Operation: 24+85=109, Resulting Numbers: [109] 109,76 unequal: No Solution Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 24*85=2040, Resulting Numbers: [2040] 2040,76 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 #0,4,3 Current State: 76:[15, 94], Operations: ['41-26=15', '24+70=94'] Exploring Operation: 15+94=109, Resulting Numbers: [109] 109,76 unequal: No Solution Exploring Operation: 15*94=1410, Resulting Numbers: [1410] 1410,76 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,76 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: 76:[41, 26, 46], Operations: ['70-24=46'] Exploring Operation: 46-41=5, Resulting Numbers: [26, 5] Generated Node #0,0,0: 76:[26, 5] Operation: 46-41=5 Exploring Operation: 41+26=67, Resulting Numbers: [46, 67] Generated Node #0,0,1: 76:[46, 67] Operation: 41+26=67 Exploring Operation: 46-26=20, Resulting Numbers: [41, 20] Generated Node #0,0,2: 76:[41, 20] Operation: 46-26=20 Exploring Operation: 26+46=72, Resulting Numbers: [41, 72] Generated Node #0,0,3: 76:[41, 72] Operation: 26+46=72 Exploring Operation: 41-26=15, Resulting Numbers: [46, 15] Generated Node #0,0,4: 76:[46, 15] Operation: 41-26=15 Moving to Node #0,0,2 Current State: 76:[41, 20], Operations: ['70-24=46', '46-26=20'] Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,76 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[41, 35], Operations: ['26-24=2', '70/2=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,76 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[24, 41, 70, 26], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [41, 70, 2] Generated Node #0,3: 76:[41, 70, 2] Operation: 26-24=2 Moving to Node #0,3 Current State: 76:[41, 70, 2], Operations: ['26-24=2'] Exploring Operation: 70/2=35, Resulting Numbers: [41, 35] Generated Node #0,3,4: 76:[41, 35] Operation: 70/2=35 Moving to Node #0,3,4 Current State: 76:[41, 35], Operations: ['26-24=2', '70/2=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.926215
hs_5
sum_heuristic
[ 30, 37, 59, 97 ]
57
[ "97-37=60", "60/30=2", "59-2=57" ]
Current State: 57:[30, 37, 59, 97], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [30, 59, 60] Generated Node #2: [30, 59, 60] from Operation: 97-37=60 Current State: 57:[30, 59, 60], Operations: ['97-37=60'] Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 60/30=2 Current State: 57:[59, 2], Operations: ['97-37=60', '60/30=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[30, 37, 59, 97], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [30, 59, 60] Generated Node #0,0: 57:[30, 59, 60] Operation: 97-37=60 Exploring Operation: 37-30=7, Resulting Numbers: [59, 97, 7] Generated Node #0,1: 57:[59, 97, 7] Operation: 37-30=7 Exploring Operation: 97-30=67, Resulting Numbers: [37, 59, 67] Generated Node #0,2: 57:[37, 59, 67] Operation: 97-30=67 Exploring Operation: 97-59=38, Resulting Numbers: [30, 37, 38] Generated Node #0,3: 57:[30, 37, 38] Operation: 97-59=38 Exploring Operation: 30+37=67, Resulting Numbers: [59, 97, 67] Generated Node #0,4: 57:[59, 97, 67] Operation: 30+37=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[30, 59, 60], Operations: ['97-37=60'] Exploring Operation: 30+59=89, Resulting Numbers: [60, 89] Generated Node #0,0,0: 57:[60, 89] Operation: 30+59=89 Exploring Operation: 60-30=30, Resulting Numbers: [59, 30] Generated Node #0,0,1: 57:[59, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #0,0,2: 57:[59, 2] Operation: 60/30=2 Exploring Operation: 60-59=1, Resulting Numbers: [30, 1] Generated Node #0,0,3: 57:[30, 1] Operation: 60-59=1 Exploring Operation: 59-30=29, Resulting Numbers: [60, 29] Generated Node #0,0,4: 57:[60, 29] Operation: 59-30=29 Moving to Node #0,0,2 Current State: 57:[59, 2], Operations: ['97-37=60', '60/30=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,57 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[30, 37, 59, 97], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [30, 59, 60] Generated Node #0,0: 57:[30, 59, 60] Operation: 97-37=60 Moving to Node #0,0 Current State: 57:[30, 59, 60], Operations: ['97-37=60'] Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #0,0,2: 57:[59, 2] Operation: 60/30=2 Moving to Node #0,0,2 Current State: 57:[59, 2], Operations: ['97-37=60', '60/30=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 3, 9, 24, 58 ]
60
[ "3+9=12", "24/12=2", "58+2=60" ]
Current State: 60:[3, 9, 24, 58], Operations: [] Exploring Operation: 3+9=12, Resulting Numbers: [24, 58, 12] Generated Node #2: [24, 58, 12] from Operation: 3+9=12 Current State: 60:[24, 58, 12], Operations: ['3+9=12'] Exploring Operation: 24/12=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 24/12=2 Current State: 60:[58, 2], Operations: ['3+9=12', '24/12=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[3, 9, 24, 58], Operations: [] Exploring Operation: 24-3=21, Resulting Numbers: [9, 58, 21] Generated Node #0,0: 60:[9, 58, 21] Operation: 24-3=21 Exploring Operation: 24-9=15, Resulting Numbers: [3, 58, 15] Generated Node #0,1: 60:[3, 58, 15] Operation: 24-9=15 Exploring Operation: 9+24=33, Resulting Numbers: [3, 58, 33] Generated Node #0,2: 60:[3, 58, 33] Operation: 9+24=33 Exploring Operation: 24/3=8, Resulting Numbers: [9, 58, 8] Generated Node #0,3: 60:[9, 58, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[3, 58, 15], Operations: ['24-9=15'] Exploring Operation: 3+15=18, Resulting Numbers: [58, 18] Generated Node #0,1,0: 60:[58, 18] Operation: 3+15=18 Exploring Operation: 15-3=12, Resulting Numbers: [58, 12] Generated Node #0,1,1: 60:[58, 12] Operation: 15-3=12 Exploring Operation: 3+58=61, Resulting Numbers: [15, 61] Generated Node #0,1,2: 60:[15, 61] Operation: 3+58=61 Exploring Operation: 15/3=5, Resulting Numbers: [58, 5] Generated Node #0,1,3: 60:[58, 5] Operation: 15/3=5 Moving to Node #0,1,2 Current State: 60:[15, 61], Operations: ['24-9=15', '3+58=61'] Exploring Operation: 15+61=76, Resulting Numbers: [76] 76,60 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 15*61=915, Resulting Numbers: [915] 915,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[58, 5], Operations: ['24-9=15', '15/3=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,60 unequal: No Solution Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[58, 12], Operations: ['24-9=15', '15-3=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,60 unequal: No Solution Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[58, 18], Operations: ['24-9=15', '3+15=18'] Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,60 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[9, 58, 21], Operations: ['24-3=21'] Exploring Operation: 21-9=12, Resulting Numbers: [58, 12] Generated Node #0,0,0: 60:[58, 12] Operation: 21-9=12 Exploring Operation: 58-21=37, Resulting Numbers: [9, 37] Generated Node #0,0,1: 60:[9, 37] Operation: 58-21=37 Exploring Operation: 9+21=30, Resulting Numbers: [58, 30] Generated Node #0,0,2: 60:[58, 30] Operation: 9+21=30 Exploring Operation: 9+58=67, Resulting Numbers: [21, 67] Generated Node #0,0,3: 60:[21, 67] Operation: 9+58=67 Moving to Node #0,0,0 Current State: 60:[58, 12], Operations: ['24-3=21', '21-9=12'] Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,60 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[58, 30], Operations: ['24-3=21', '9+21=30'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,60 unequal: No Solution Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[21, 67], Operations: ['24-3=21', '9+58=67'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 21*67=1407, Resulting Numbers: [1407] 1407,60 unequal: No Solution Exploring Operation: 21+67=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[9, 37], Operations: ['24-3=21', '58-21=37'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[3, 58, 33], Operations: ['9+24=33'] Exploring Operation: 33/3=11, Resulting Numbers: [58, 11] Generated Node #0,2,0: 60:[58, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [58, 30] Generated Node #0,2,1: 60:[58, 30] Operation: 33-3=30 Exploring Operation: 3+58=61, Resulting Numbers: [33, 61] Generated Node #0,2,2: 60:[33, 61] Operation: 3+58=61 Exploring Operation: 58-33=25, Resulting Numbers: [3, 25] Generated Node #0,2,3: 60:[3, 25] Operation: 58-33=25 Moving to Node #0,2,1 Current State: 60:[58, 30], Operations: ['9+24=33', '33-3=30'] Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,60 unequal: No Solution Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,60 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[58, 11], Operations: ['9+24=33', '33/3=11'] Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,60 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,60 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[33, 61], Operations: ['9+24=33', '3+58=61'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,60 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[3, 25], Operations: ['9+24=33', '58-33=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[9, 58, 8], Operations: ['24/3=8'] Exploring Operation: 58+8=66, Resulting Numbers: [9, 66] Generated Node #0,3,0: 60:[9, 66] Operation: 58+8=66 Exploring Operation: 9+8=17, Resulting Numbers: [58, 17] Generated Node #0,3,1: 60:[58, 17] Operation: 9+8=17 Exploring Operation: 9-8=1, Resulting Numbers: [58, 1] Generated Node #0,3,2: 60:[58, 1] Operation: 9-8=1 Exploring Operation: 9+58=67, Resulting Numbers: [8, 67] Generated Node #0,3,3: 60:[8, 67] Operation: 9+58=67 Moving to Node #0,3,2 Current State: 60:[58, 1], Operations: ['24/3=8', '9-8=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[58, 17], Operations: ['24/3=8', '9+8=17'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,60 unequal: No Solution Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[9, 66], Operations: ['24/3=8', '58+8=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,60 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[8, 67], Operations: ['24/3=8', '9+58=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,60 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,60 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
[ 49, 91, 15, 46 ]
46
[ "49-46=3", "15*3=45", "91-45=46" ]
Current State: 46:[49, 91, 15, 46], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [91, 15, 3] Generated Node #2: [91, 15, 3] from Operation: 49-46=3 Current State: 46:[91, 15, 3], Operations: ['49-46=3'] Exploring Operation: 15*3=45, Resulting Numbers: [91, 45] Generated Node #3: [91, 45] from Operation: 15*3=45 Current State: 46:[91, 45], Operations: ['49-46=3', '15*3=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[49, 91, 15, 46], Operations: [] Exploring Operation: 49-15=34, Resulting Numbers: [91, 46, 34] Generated Node #0,0: 46:[91, 46, 34] Operation: 49-15=34 Exploring Operation: 91-15=76, Resulting Numbers: [49, 46, 76] Generated Node #0,1: 46:[49, 46, 76] Operation: 91-15=76 Exploring Operation: 91-49=42, Resulting Numbers: [15, 46, 42] Generated Node #0,2: 46:[15, 46, 42] Operation: 91-49=42 Exploring Operation: 49-46=3, Resulting Numbers: [91, 15, 3] Generated Node #0,3: 46:[91, 15, 3] Operation: 49-46=3 Exploring Operation: 91-46=45, Resulting Numbers: [49, 15, 45] Generated Node #0,4: 46:[49, 15, 45] Operation: 91-46=45 Moving to Node #0,2 Current State: 46:[15, 46, 42], Operations: ['91-49=42'] Exploring Operation: 46-15=31, Resulting Numbers: [42, 31] Generated Node #0,2,0: 46:[42, 31] Operation: 46-15=31 Exploring Operation: 46-42=4, Resulting Numbers: [15, 4] Generated Node #0,2,1: 46:[15, 4] Operation: 46-42=4 Exploring Operation: 42-15=27, Resulting Numbers: [46, 27] Generated Node #0,2,2: 46:[46, 27] Operation: 42-15=27 Exploring Operation: 15+42=57, Resulting Numbers: [46, 57] Generated Node #0,2,3: 46:[46, 57] Operation: 15+42=57 Exploring Operation: 15+46=61, Resulting Numbers: [42, 61] Generated Node #0,2,4: 46:[42, 61] Operation: 15+46=61 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 46:[46, 27], Operations: ['91-49=42', '42-15=27'] Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,46 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:[15, 4], Operations: ['91-49=42', '46-42=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,46 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 #0,2,3 Current State: 46:[46, 57], Operations: ['91-49=42', '15+42=57'] Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,46 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,46 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:[42, 31], Operations: ['91-49=42', '46-15=31'] Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,46 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 #0,2,4 Current State: 46:[42, 61], Operations: ['91-49=42', '15+46=61'] Exploring Operation: 42+61=103, Resulting Numbers: [103] 103,46 unequal: No Solution Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 42*61=2562, Resulting Numbers: [2562] 2562,46 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: 46:[49, 15, 45], Operations: ['91-46=45'] Exploring Operation: 45-15=30, Resulting Numbers: [49, 30] Generated Node #0,4,0: 46:[49, 30] Operation: 45-15=30 Exploring Operation: 49-45=4, Resulting Numbers: [15, 4] Generated Node #0,4,1: 46:[15, 4] Operation: 49-45=4 Exploring Operation: 45/15=3, Resulting Numbers: [49, 3] Generated Node #0,4,2: 46:[49, 3] Operation: 45/15=3 Exploring Operation: 49-15=34, Resulting Numbers: [45, 34] Generated Node #0,4,3: 46:[45, 34] Operation: 49-15=34 Exploring Operation: 15+45=60, Resulting Numbers: [49, 60] Generated Node #0,4,4: 46:[49, 60] Operation: 15+45=60 Moving to Node #0,1 Current State: 46:[49, 46, 76], Operations: ['91-15=76'] Exploring Operation: 76-49=27, Resulting Numbers: [46, 27] Generated Node #0,1,0: 46:[46, 27] Operation: 76-49=27 Exploring Operation: 49+76=125, Resulting Numbers: [46, 125] Generated Node #0,1,1: 46:[46, 125] Operation: 49+76=125 Exploring Operation: 49+46=95, Resulting Numbers: [76, 95] Generated Node #0,1,2: 46:[76, 95] Operation: 49+46=95 Exploring Operation: 49-46=3, Resulting Numbers: [76, 3] Generated Node #0,1,3: 46:[76, 3] Operation: 49-46=3 Exploring Operation: 76-46=30, Resulting Numbers: [49, 30] Generated Node #0,1,4: 46:[49, 30] Operation: 76-46=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[46, 27], Operations: ['91-15=76', '76-49=27'] Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,46 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 #0,1,4 Current State: 46:[49, 30], Operations: ['91-15=76', '76-46=30'] Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[76, 3], Operations: ['91-15=76', '49-46=3'] Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 76*3=228, Resulting Numbers: [228] 228,46 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:[46, 125], Operations: ['91-15=76', '49+76=125'] Exploring Operation: 46+125=171, Resulting Numbers: [171] 171,46 unequal: No Solution Exploring Operation: 125-46=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 46*125=5750, Resulting Numbers: [5750] 5750,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[76, 95], Operations: ['91-15=76', '49+46=95'] Exploring Operation: 76+95=171, Resulting Numbers: [171] 171,46 unequal: No Solution Exploring Operation: 76*95=7220, Resulting Numbers: [7220] 7220,46 unequal: No Solution Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,46 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: 46:[91, 15, 3], Operations: ['49-46=3'] Exploring Operation: 15/3=5, Resulting Numbers: [91, 5] Generated Node #0,3,0: 46:[91, 5] Operation: 15/3=5 Exploring Operation: 91-3=88, Resulting Numbers: [15, 88] Generated Node #0,3,1: 46:[15, 88] Operation: 91-3=88 Exploring Operation: 15+3=18, Resulting Numbers: [91, 18] Generated Node #0,3,2: 46:[91, 18] Operation: 15+3=18 Exploring Operation: 15*3=45, Resulting Numbers: [91, 45] Generated Node #0,3,3: 46:[91, 45] Operation: 15*3=45 Exploring Operation: 91-15=76, Resulting Numbers: [3, 76] Generated Node #0,3,4: 46:[3, 76] Operation: 91-15=76 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 46:[3, 76], Operations: ['49-46=3', '91-15=76'] Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,46 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,46 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 #0,3,3 Current State: 46:[91, 45], Operations: ['49-46=3', '15*3=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[49, 91, 15, 46], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [91, 15, 3] Generated Node #0,3: 46:[91, 15, 3] Operation: 49-46=3 Moving to Node #0,3 Current State: 46:[91, 15, 3], Operations: ['49-46=3'] Exploring Operation: 15*3=45, Resulting Numbers: [91, 45] Generated Node #0,3,3: 46:[91, 45] Operation: 15*3=45 Moving to Node #0,3,3 Current State: 46:[91, 45], Operations: ['49-46=3', '15*3=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 77, 11, 5, 99 ]
52
[ "5*99=495", "77+495=572", "572/11=52" ]
Current State: 52:[77, 11, 5, 99], Operations: [] Exploring Operation: 5*99=495, Resulting Numbers: [77, 11, 495] Generated Node #2: [77, 11, 495] from Operation: 5*99=495 Current State: 52:[77, 11, 495], Operations: ['5*99=495'] Exploring Operation: 77+495=572, Resulting Numbers: [11, 572] Generated Node #3: [11, 572] from Operation: 77+495=572 Current State: 52:[11, 572], Operations: ['5*99=495', '77+495=572'] Exploring Operation: 572/11=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[77, 11, 5, 99], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [77, 5, 9] Generated Node #0,0: 52:[77, 5, 9] Operation: 99/11=9 Exploring Operation: 77/11=7, Resulting Numbers: [5, 99, 7] Generated Node #0,1: 52:[5, 99, 7] Operation: 77/11=7 Exploring Operation: 99-77=22, Resulting Numbers: [11, 5, 22] Generated Node #0,2: 52:[11, 5, 22] Operation: 99-77=22 Moving to Node #0,2 Current State: 52:[11, 5, 22], Operations: ['99-77=22'] Exploring Operation: 5+22=27, Resulting Numbers: [11, 27] Generated Node #0,2,0: 52:[11, 27] Operation: 5+22=27 Exploring Operation: 22-11=11, Resulting Numbers: [5, 11] Generated Node #0,2,1: 52:[5, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 52:[5, 2] Operation: 22/11=2 Moving to Node #0,0 Current State: 52:[77, 5, 9], Operations: ['99/11=9'] Exploring Operation: 77-5=72, Resulting Numbers: [9, 72] Generated Node #0,0,0: 52:[9, 72] Operation: 77-5=72 Exploring Operation: 77-9=68, Resulting Numbers: [5, 68] Generated Node #0,0,1: 52:[5, 68] Operation: 77-9=68 Exploring Operation: 9-5=4, Resulting Numbers: [77, 4] Generated Node #0,0,2: 52:[77, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[5, 68], Operations: ['99/11=9', '77-9=68'] Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,52 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[9, 72], Operations: ['99/11=9', '77-5=72'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,52 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[77, 4], Operations: ['99/11=9', '9-5=4'] Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,52 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[5, 99, 7], Operations: ['77/11=7'] Exploring Operation: 7-5=2, Resulting Numbers: [99, 2] Generated Node #0,1,0: 52:[99, 2] Operation: 7-5=2 Exploring Operation: 99-7=92, Resulting Numbers: [5, 92] Generated Node #0,1,1: 52:[5, 92] Operation: 99-7=92 Exploring Operation: 99-5=94, Resulting Numbers: [7, 94] Generated Node #0,1,2: 52:[7, 94] Operation: 99-5=94 Moving to Node #0,2,2 Current State: 52:[5, 2], Operations: ['99-77=22', '22/11=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[5, 11], Operations: ['99-77=22', '22-11=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[11, 27], Operations: ['99-77=22', '5+22=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,52 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[5, 92], Operations: ['77/11=7', '99-7=92'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,52 unequal: No Solution Exploring Operation: 5*92=460, Resulting Numbers: [460] 460,52 unequal: No Solution Exploring Operation: 5+92=97, Resulting Numbers: [97] 97,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[7, 94], Operations: ['77/11=7', '99-5=94'] Exploring Operation: 7*94=658, Resulting Numbers: [658] 658,52 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,52 unequal: No Solution Exploring Operation: 7+94=101, Resulting Numbers: [101] 101,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[99, 2], Operations: ['77/11=7', '7-5=2'] Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,52 unequal: No Solution Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,52 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 18, 8, 3 ]
99
[ "18/2=9", "8+3=11", "9*11=99" ]
Current State: 99:[2, 18, 8, 3], Operations: [] Exploring Operation: 18/2=9, Resulting Numbers: [8, 3, 9] Generated Node #2: [8, 3, 9] from Operation: 18/2=9 Current State: 99:[8, 3, 9], Operations: ['18/2=9'] Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 8+3=11 Current State: 99:[9, 11], Operations: ['18/2=9', '8+3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[2, 18, 8, 3], Operations: [] Exploring Operation: 18-2=16, Resulting Numbers: [8, 3, 16] Generated Node #0,0: 99:[8, 3, 16] Operation: 18-2=16 Exploring Operation: 2*18=36, Resulting Numbers: [8, 3, 36] Generated Node #0,1: 99:[8, 3, 36] Operation: 2*18=36 Exploring Operation: 18/3=6, Resulting Numbers: [2, 8, 6] Generated Node #0,2: 99:[2, 8, 6] Operation: 18/3=6 Exploring Operation: 18-8=10, Resulting Numbers: [2, 3, 10] Generated Node #0,3: 99:[2, 3, 10] Operation: 18-8=10 Exploring Operation: 18/2=9, Resulting Numbers: [8, 3, 9] Generated Node #0,4: 99:[8, 3, 9] Operation: 18/2=9 Moving to Node #0,4 Current State: 99:[8, 3, 9], Operations: ['18/2=9'] Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,4,0: 99:[9, 11] Operation: 8+3=11 Exploring Operation: 9/3=3, Resulting Numbers: [8, 3] Generated Node #0,4,1: 99:[8, 3] Operation: 9/3=3 Exploring Operation: 3+9=12, Resulting Numbers: [8, 12] Generated Node #0,4,2: 99:[8, 12] Operation: 3+9=12 Exploring Operation: 9-8=1, Resulting Numbers: [3, 1] Generated Node #0,4,3: 99:[3, 1] Operation: 9-8=1 Exploring Operation: 8-3=5, Resulting Numbers: [9, 5] Generated Node #0,4,4: 99:[9, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 99:[9, 11], Operations: ['18/2=9', '8+3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[2, 18, 8, 3], Operations: [] Exploring Operation: 18/2=9, Resulting Numbers: [8, 3, 9] Generated Node #0,4: 99:[8, 3, 9] Operation: 18/2=9 Moving to Node #0,4 Current State: 99:[8, 3, 9], Operations: ['18/2=9'] Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,4,0: 99:[9, 11] Operation: 8+3=11 Moving to Node #0,4,0 Current State: 99:[9, 11], Operations: ['18/2=9', '8+3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 86, 90, 88, 64 ]
72
[ "90-86=4", "64/4=16", "88-16=72" ]
Current State: 72:[86, 90, 88, 64], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [88, 64, 4] Generated Node #2: [88, 64, 4] from Operation: 90-86=4 Current State: 72:[88, 64, 4], Operations: ['90-86=4'] Exploring Operation: 64/4=16, Resulting Numbers: [88, 16] Generated Node #3: [88, 16] from Operation: 64/4=16 Current State: 72:[88, 16], Operations: ['90-86=4', '64/4=16'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[86, 90, 88, 64], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [88, 64, 4] Generated Node #0,0: 72:[88, 64, 4] Operation: 90-86=4 Exploring Operation: 90-88=2, Resulting Numbers: [86, 64, 2] Generated Node #0,1: 72:[86, 64, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[86, 64, 2], Operations: ['90-88=2'] Exploring Operation: 86/2=43, Resulting Numbers: [64, 43] Generated Node #0,1,0: 72:[64, 43] Operation: 86/2=43 Exploring Operation: 86-64=22, Resulting Numbers: [2, 22] Generated Node #0,1,1: 72:[2, 22] Operation: 86-64=22 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[2, 22], Operations: ['90-88=2', '86-64=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[64, 43], Operations: ['90-88=2', '86/2=43'] Exploring Operation: 64+43=107, Resulting Numbers: [107] 107,72 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[88, 64, 4], Operations: ['90-86=4'] Exploring Operation: 88-64=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 72:[4, 24] Operation: 88-64=24 Exploring Operation: 88/4=22, Resulting Numbers: [64, 22] Generated Node #0,0,1: 72:[64, 22] Operation: 88/4=22 Moving to Node #0,0,0 Current State: 72:[4, 24], Operations: ['90-86=4', '88-64=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[64, 22], Operations: ['90-86=4', '88/4=22'] Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,72 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 15, 14, 88, 76 ]
82
[ "14+76=90", "90/15=6", "88-6=82" ]
Current State: 82:[15, 14, 88, 76], Operations: [] Exploring Operation: 14+76=90, Resulting Numbers: [15, 88, 90] Generated Node #2: [15, 88, 90] from Operation: 14+76=90 Current State: 82:[15, 88, 90], Operations: ['14+76=90'] Exploring Operation: 90/15=6, Resulting Numbers: [88, 6] Generated Node #3: [88, 6] from Operation: 90/15=6 Current State: 82:[88, 6], Operations: ['14+76=90', '90/15=6'] Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[15, 14, 88, 76], Operations: [] Exploring Operation: 15+14=29, Resulting Numbers: [88, 76, 29] Generated Node #0,0: 82:[88, 76, 29] Operation: 15+14=29 Exploring Operation: 15-14=1, Resulting Numbers: [88, 76, 1] Generated Node #0,1: 82:[88, 76, 1] Operation: 15-14=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[88, 76, 1], Operations: ['15-14=1'] Exploring Operation: 88-1=87, Resulting Numbers: [76, 87] Generated Node #0,1,0: 82:[76, 87] Operation: 88-1=87 Exploring Operation: 88-76=12, Resulting Numbers: [1, 12] Generated Node #0,1,1: 82:[1, 12] Operation: 88-76=12 Moving to Node #0,1,0 Current State: 82:[76, 87], Operations: ['15-14=1', '88-1=87'] Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,82 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[1, 12], Operations: ['15-14=1', '88-76=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[88, 76, 29], Operations: ['15+14=29'] Exploring Operation: 76-29=47, Resulting Numbers: [88, 47] Generated Node #0,0,0: 82:[88, 47] Operation: 76-29=47 Exploring Operation: 88-76=12, Resulting Numbers: [29, 12] Generated Node #0,0,1: 82:[29, 12] Operation: 88-76=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[88, 47], Operations: ['15+14=29', '76-29=47'] Exploring Operation: 88+47=135, Resulting Numbers: [135] 135,82 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[29, 12], Operations: ['15+14=29', '88-76=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 79, 64, 73, 75 ]
89
[ "79-75=4", "64/4=16", "73+16=89" ]
Current State: 89:[79, 64, 73, 75], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [64, 73, 4] Generated Node #2: [64, 73, 4] from Operation: 79-75=4 Current State: 89:[64, 73, 4], Operations: ['79-75=4'] Exploring Operation: 64/4=16, Resulting Numbers: [73, 16] Generated Node #3: [73, 16] from Operation: 64/4=16 Current State: 89:[73, 16], Operations: ['79-75=4', '64/4=16'] Exploring Operation: 73+16=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[79, 64, 73, 75], Operations: [] Exploring Operation: 64+75=139, Resulting Numbers: [79, 73, 139] Generated Node #0,0: 89:[79, 73, 139] Operation: 64+75=139 Exploring Operation: 64+73=137, Resulting Numbers: [79, 75, 137] Generated Node #0,1: 89:[79, 75, 137] Operation: 64+73=137 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[79, 75, 137], Operations: ['64+73=137'] Exploring Operation: 137-79=58, Resulting Numbers: [75, 58] Generated Node #0,1,0: 89:[75, 58] Operation: 137-79=58 Exploring Operation: 137-75=62, Resulting Numbers: [79, 62] Generated Node #0,1,1: 89:[79, 62] Operation: 137-75=62 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[79, 62], Operations: ['64+73=137', '137-75=62'] Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 79+62=141, Resulting Numbers: [141] 141,89 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 #0,1,0 Current State: 89:[75, 58], Operations: ['64+73=137', '137-79=58'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,89 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: 89:[79, 73, 139], Operations: ['64+75=139'] Exploring Operation: 139-73=66, Resulting Numbers: [79, 66] Generated Node #0,0,0: 89:[79, 66] Operation: 139-73=66 Exploring Operation: 139-79=60, Resulting Numbers: [73, 60] Generated Node #0,0,1: 89:[73, 60] Operation: 139-79=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[79, 66], Operations: ['64+75=139', '139-73=66'] Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,89 unequal: No Solution Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,89 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 #0,0,1 Current State: 89:[73, 60], Operations: ['64+75=139', '139-79=60'] Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,89 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
[ 2, 74, 7, 66 ]
18
[ "74+66=140", "140/7=20", "20-2=18" ]
Current State: 18:[2, 74, 7, 66], Operations: [] Exploring Operation: 74+66=140, Resulting Numbers: [2, 7, 140] Generated Node #2: [2, 7, 140] from Operation: 74+66=140 Current State: 18:[2, 7, 140], Operations: ['74+66=140'] Exploring Operation: 140/7=20, Resulting Numbers: [2, 20] Generated Node #3: [2, 20] from Operation: 140/7=20 Current State: 18:[2, 20], Operations: ['74+66=140', '140/7=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[2, 74, 7, 66], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [7, 66, 37] Generated Node #0,0: 18:[7, 66, 37] Operation: 74/2=37 Exploring Operation: 74-66=8, Resulting Numbers: [2, 7, 8] Generated Node #0,1: 18:[2, 7, 8] Operation: 74-66=8 Exploring Operation: 66/2=33, Resulting Numbers: [74, 7, 33] Generated Node #0,2: 18:[74, 7, 33] Operation: 66/2=33 Moving to Node #0,1 Current State: 18:[2, 7, 8], Operations: ['74-66=8'] Exploring Operation: 8-7=1, Resulting Numbers: [2, 1] Generated Node #0,1,0: 18:[2, 1] Operation: 8-7=1 Exploring Operation: 8-2=6, Resulting Numbers: [7, 6] Generated Node #0,1,1: 18:[7, 6] Operation: 8-2=6 Exploring Operation: 2+7=9, Resulting Numbers: [8, 9] Generated Node #0,1,2: 18:[8, 9] Operation: 2+7=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[2, 1], Operations: ['74-66=8', '8-7=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[7, 6], Operations: ['74-66=8', '8-2=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[8, 9], Operations: ['74-66=8', '2+7=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 18:[7, 66, 37], Operations: ['74/2=37'] Exploring Operation: 37-7=30, Resulting Numbers: [66, 30] Generated Node #0,0,0: 18:[66, 30] Operation: 37-7=30 Exploring Operation: 66-7=59, Resulting Numbers: [37, 59] Generated Node #0,0,1: 18:[37, 59] Operation: 66-7=59 Exploring Operation: 66-37=29, Resulting Numbers: [7, 29] Generated Node #0,0,2: 18:[7, 29] Operation: 66-37=29 Moving to Node #0,2 Current State: 18:[74, 7, 33], Operations: ['66/2=33'] Exploring Operation: 33-7=26, Resulting Numbers: [74, 26] Generated Node #0,2,0: 18:[74, 26] Operation: 33-7=26 Exploring Operation: 74-7=67, Resulting Numbers: [33, 67] Generated Node #0,2,1: 18:[33, 67] Operation: 74-7=67 Exploring Operation: 74-33=41, Resulting Numbers: [7, 41] Generated Node #0,2,2: 18:[7, 41] Operation: 74-33=41 Moving to Node #0,0,2 Current State: 18:[7, 29], Operations: ['74/2=37', '66-37=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[7, 41], Operations: ['66/2=33', '74-33=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,18 unequal: No Solution Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,18 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[37, 59], Operations: ['74/2=37', '66-7=59'] Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 37*59=2183, Resulting Numbers: [2183] 2183,18 unequal: No Solution Exploring Operation: 37+59=96, Resulting Numbers: [96] 96,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[66, 30], Operations: ['74/2=37', '37-7=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,18 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[33, 67], Operations: ['66/2=33', '74-7=67'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 33*67=2211, Resulting Numbers: [2211] 2211,18 unequal: No Solution Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[74, 26], Operations: ['66/2=33', '33-7=26'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,18 unequal: No Solution Exploring Operation: 74*26=1924, Resulting Numbers: [1924] 1924,18 unequal: No Solution Exploring Operation: 74+26=100, Resulting Numbers: [100] 100,18 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 21, 30, 9, 26 ]
68
[ "21+30=51", "26-9=17", "51+17=68" ]
Current State: 68:[21, 30, 9, 26], Operations: [] Exploring Operation: 21+30=51, Resulting Numbers: [9, 26, 51] Generated Node #2: [9, 26, 51] from Operation: 21+30=51 Current State: 68:[9, 26, 51], Operations: ['21+30=51'] Exploring Operation: 26-9=17, Resulting Numbers: [51, 17] Generated Node #3: [51, 17] from Operation: 26-9=17 Current State: 68:[51, 17], Operations: ['21+30=51', '26-9=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[21, 30, 9, 26], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [21, 9, 4] Generated Node #0,0: 68:[21, 9, 4] Operation: 30-26=4 Exploring Operation: 26-9=17, Resulting Numbers: [21, 30, 17] Generated Node #0,1: 68:[21, 30, 17] Operation: 26-9=17 Exploring Operation: 9+26=35, Resulting Numbers: [21, 30, 35] Generated Node #0,2: 68:[21, 30, 35] Operation: 9+26=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[21, 30, 17], Operations: ['26-9=17'] Exploring Operation: 30-21=9, Resulting Numbers: [17, 9] Generated Node #0,1,0: 68:[17, 9] Operation: 30-21=9 Exploring Operation: 21-17=4, Resulting Numbers: [30, 4] Generated Node #0,1,1: 68:[30, 4] Operation: 21-17=4 Exploring Operation: 21+17=38, Resulting Numbers: [30, 38] Generated Node #0,1,2: 68:[30, 38] Operation: 21+17=38 Moving to Node #0,1,1 Current State: 68:[30, 4], Operations: ['26-9=17', '21-17=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[17, 9], Operations: ['26-9=17', '30-21=9'] Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,68 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[30, 38], Operations: ['26-9=17', '21+17=38'] Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,68 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[21, 30, 9, 26], Operations: [] Exploring Operation: 26-9=17, Resulting Numbers: [21, 30, 17] Generated Node #0,1: 68:[21, 30, 17] Operation: 26-9=17 Moving to Node #0,1 Current State: 68:[21, 30, 17], Operations: ['26-9=17'] Exploring Operation: 21+17=38, Resulting Numbers: [30, 38] Generated Node #0,1,2: 68:[30, 38] Operation: 21+17=38 Moving to Node #0,1,2 Current State: 68:[30, 38], Operations: ['26-9=17', '21+17=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 28, 28, 9, 76 ]
100
[ "28*28=784", "9*76=684", "784-684=100" ]
Current State: 100:[28, 28, 9, 76], Operations: [] Exploring Operation: 28*28=784, Resulting Numbers: [9, 76, 784] Generated Node #2: [9, 76, 784] from Operation: 28*28=784 Current State: 100:[9, 76, 784], Operations: ['28*28=784'] Exploring Operation: 9*76=684, Resulting Numbers: [784, 684] Generated Node #3: [784, 684] from Operation: 9*76=684 Current State: 100:[784, 684], Operations: ['28*28=784', '9*76=684'] Exploring Operation: 784-684=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[28, 28, 9, 76], Operations: [] Exploring Operation: 28+76=104, Resulting Numbers: [28, 9, 104] Generated Node #0,0: 100:[28, 9, 104] Operation: 28+76=104 Exploring Operation: 76-28=48, Resulting Numbers: [28, 9, 48] Generated Node #0,1: 100:[28, 9, 48] Operation: 76-28=48 Exploring Operation: 76-28=48, Resulting Numbers: [28, 9, 48] Generated Node #0,2: 100:[28, 9, 48] Operation: 76-28=48 Exploring Operation: 28+76=104, Resulting Numbers: [28, 9, 104] Generated Node #0,3: 100:[28, 9, 104] Operation: 28+76=104 Exploring Operation: 9+76=85, Resulting Numbers: [28, 28, 85] Generated Node #0,4: 100:[28, 28, 85] Operation: 9+76=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[28, 9, 48], Operations: ['76-28=48'] Exploring Operation: 28+9=37, Resulting Numbers: [48, 37] Generated Node #0,1,0: 100:[48, 37] Operation: 28+9=37 Exploring Operation: 48-28=20, Resulting Numbers: [9, 20] Generated Node #0,1,1: 100:[9, 20] Operation: 48-28=20 Exploring Operation: 48-9=39, Resulting Numbers: [28, 39] Generated Node #0,1,2: 100:[28, 39] Operation: 48-9=39 Exploring Operation: 9+48=57, Resulting Numbers: [28, 57] Generated Node #0,1,3: 100:[28, 57] Operation: 9+48=57 Exploring Operation: 28-9=19, Resulting Numbers: [48, 19] Generated Node #0,1,4: 100:[48, 19] Operation: 28-9=19 Moving to Node #0,1,1 Current State: 100:[9, 20], Operations: ['76-28=48', '48-28=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,100 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,100 unequal: No Solution Moving to Node #0,1,4 Current State: 100:[48, 19], Operations: ['76-28=48', '28-9=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,100 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[28, 57], Operations: ['76-28=48', '9+48=57'] Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,100 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[48, 37], Operations: ['76-28=48', '28+9=37'] Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,100 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[28, 39], Operations: ['76-28=48', '48-9=39'] Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,100 unequal: No Solution No 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: 100:[28, 9, 48], Operations: ['76-28=48'] Exploring Operation: 48-28=20, Resulting Numbers: [9, 20] Generated Node #0,2,0: 100:[9, 20] Operation: 48-28=20 Exploring Operation: 28+9=37, Resulting Numbers: [48, 37] Generated Node #0,2,1: 100:[48, 37] Operation: 28+9=37 Exploring Operation: 48-9=39, Resulting Numbers: [28, 39] Generated Node #0,2,2: 100:[28, 39] Operation: 48-9=39 Exploring Operation: 9+48=57, Resulting Numbers: [28, 57] Generated Node #0,2,3: 100:[28, 57] Operation: 9+48=57 Exploring Operation: 28-9=19, Resulting Numbers: [48, 19] Generated Node #0,2,4: 100:[48, 19] Operation: 28-9=19 Moving to Node #0,2,0 Current State: 100:[9, 20], Operations: ['76-28=48', '48-28=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,100 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,100 unequal: No Solution Moving to Node #0,2,4 Current State: 100:[48, 19], Operations: ['76-28=48', '28-9=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[28, 57], Operations: ['76-28=48', '9+48=57'] Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,100 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[48, 37], Operations: ['76-28=48', '28+9=37'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,100 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[28, 39], Operations: ['76-28=48', '48-9=39'] Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,100 unequal: No Solution Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,100 unequal: No Solution No 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: 100:[28, 9, 104], Operations: ['28+76=104'] Exploring Operation: 104-9=95, Resulting Numbers: [28, 95] Generated Node #0,0,0: 100:[28, 95] Operation: 104-9=95 Exploring Operation: 104-28=76, Resulting Numbers: [9, 76] Generated Node #0,0,1: 100:[9, 76] Operation: 104-28=76 Exploring Operation: 28-9=19, Resulting Numbers: [104, 19] Generated Node #0,0,2: 100:[104, 19] Operation: 28-9=19 Exploring Operation: 28+9=37, Resulting Numbers: [104, 37] Generated Node #0,0,3: 100:[104, 37] Operation: 28+9=37 Exploring Operation: 9+104=113, Resulting Numbers: [28, 113] Generated Node #0,0,4: 100:[28, 113] Operation: 9+104=113 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[104, 19], Operations: ['28+76=104', '28-9=19'] Exploring Operation: 104+19=123, Resulting Numbers: [123] 123,100 unequal: No Solution Exploring Operation: 104*19=1976, Resulting Numbers: [1976] 1976,100 unequal: No Solution Exploring Operation: 104-19=85, Resulting Numbers: [85] 85,100 unequal: No Solution No 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: 100:[28, 95], Operations: ['28+76=104', '104-9=95'] Exploring Operation: 28*95=2660, Resulting Numbers: [2660] 2660,100 unequal: No Solution Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 28+95=123, Resulting Numbers: [123] 123,100 unequal: No Solution No 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: 100:[104, 37], Operations: ['28+76=104', '28+9=37'] Exploring Operation: 104-37=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 104*37=3848, Resulting Numbers: [3848] 3848,100 unequal: No Solution Exploring Operation: 104+37=141, Resulting Numbers: [141] 141,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 100:[28, 113], Operations: ['28+76=104', '9+104=113'] Exploring Operation: 28*113=3164, Resulting Numbers: [3164] 3164,100 unequal: No Solution Exploring Operation: 113-28=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 28+113=141, Resulting Numbers: [141] 141,100 unequal: No Solution No 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: 100:[9, 76], Operations: ['28+76=104', '104-28=76'] Exploring Operation: 9*76=684, Resulting Numbers: [684] 684,100 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,100 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: 100:[28, 9, 104], Operations: ['28+76=104'] Exploring Operation: 28+9=37, Resulting Numbers: [104, 37] Generated Node #0,3,0: 100:[104, 37] Operation: 28+9=37 Exploring Operation: 104-28=76, Resulting Numbers: [9, 76] Generated Node #0,3,1: 100:[9, 76] Operation: 104-28=76 Exploring Operation: 28-9=19, Resulting Numbers: [104, 19] Generated Node #0,3,2: 100:[104, 19] Operation: 28-9=19 Exploring Operation: 9+104=113, Resulting Numbers: [28, 113] Generated Node #0,3,3: 100:[28, 113] Operation: 9+104=113 Exploring Operation: 104-9=95, Resulting Numbers: [28, 95] Generated Node #0,3,4: 100:[28, 95] Operation: 104-9=95 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[104, 19], Operations: ['28+76=104', '28-9=19'] Exploring Operation: 104-19=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 104*19=1976, Resulting Numbers: [1976] 1976,100 unequal: No Solution Exploring Operation: 104+19=123, Resulting Numbers: [123] 123,100 unequal: No Solution No 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: 100:[28, 95], Operations: ['28+76=104', '104-9=95'] Exploring Operation: 28*95=2660, Resulting Numbers: [2660] 2660,100 unequal: No Solution Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 28+95=123, Resulting Numbers: [123] 123,100 unequal: No Solution No 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: 100:[104, 37], Operations: ['28+76=104', '28+9=37'] Exploring Operation: 104*37=3848, Resulting Numbers: [3848] 3848,100 unequal: No Solution Exploring Operation: 104+37=141, Resulting Numbers: [141] 141,100 unequal: No Solution Exploring Operation: 104-37=67, Resulting Numbers: [67] 67,100 unequal: No Solution No 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: 100:[28, 113], Operations: ['28+76=104', '9+104=113'] Exploring Operation: 113-28=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 28*113=3164, Resulting Numbers: [3164] 3164,100 unequal: No Solution Exploring Operation: 28+113=141, Resulting Numbers: [141] 141,100 unequal: No Solution No 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: 100:[9, 76], Operations: ['28+76=104', '104-28=76'] Exploring Operation: 9*76=684, Resulting Numbers: [684] 684,100 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[28, 28, 85], Operations: ['9+76=85'] Exploring Operation: 28+85=113, Resulting Numbers: [28, 113] Generated Node #0,4,0: 100:[28, 113] Operation: 28+85=113 Exploring Operation: 85-28=57, Resulting Numbers: [28, 57] Generated Node #0,4,1: 100:[28, 57] Operation: 85-28=57 Exploring Operation: 85-28=57, Resulting Numbers: [28, 57] Generated Node #0,4,2: 100:[28, 57] Operation: 85-28=57 Exploring Operation: 28+85=113, Resulting Numbers: [28, 113] Generated Node #0,4,3: 100:[28, 113] Operation: 28+85=113 Exploring Operation: 28/28=1, Resulting Numbers: [85, 1] Generated Node #0,4,4: 100:[85, 1] Operation: 28/28=1 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[28, 57], Operations: ['9+76=85', '85-28=57'] Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,100 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,100 unequal: No Solution No 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: 100:[28, 57], Operations: ['9+76=85', '85-28=57'] Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,100 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,100 unequal: No Solution No 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: 100:[28, 113], Operations: ['9+76=85', '28+85=113'] Exploring Operation: 113-28=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 28*113=3164, Resulting Numbers: [3164] 3164,100 unequal: No Solution Exploring Operation: 28+113=141, Resulting Numbers: [141] 141,100 unequal: No Solution No 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: 100:[28, 113], Operations: ['9+76=85', '28+85=113'] Exploring Operation: 28*113=3164, Resulting Numbers: [3164] 3164,100 unequal: No Solution Exploring Operation: 28+113=141, Resulting Numbers: [141] 141,100 unequal: No Solution Exploring Operation: 113-28=85, Resulting Numbers: [85] 85,100 unequal: No Solution No 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: 100:[85, 1], Operations: ['9+76=85', '28/28=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 85, 87, 16, 45 ]
88
[ "45-16=29", "87/29=3", "85+3=88" ]
Current State: 88:[85, 87, 16, 45], Operations: [] Exploring Operation: 45-16=29, Resulting Numbers: [85, 87, 29] Generated Node #2: [85, 87, 29] from Operation: 45-16=29 Current State: 88:[85, 87, 29], Operations: ['45-16=29'] Exploring Operation: 87/29=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 87/29=3 Current State: 88:[85, 3], Operations: ['45-16=29', '87/29=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[85, 87, 16, 45], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [16, 45, 2] Generated Node #0,0: 88:[16, 45, 2] Operation: 87-85=2 Exploring Operation: 85+16=101, Resulting Numbers: [87, 45, 101] Generated Node #0,1: 88:[87, 45, 101] Operation: 85+16=101 Exploring Operation: 87-45=42, Resulting Numbers: [85, 16, 42] Generated Node #0,2: 88:[85, 16, 42] Operation: 87-45=42 Exploring Operation: 85-45=40, Resulting Numbers: [87, 16, 40] Generated Node #0,3: 88:[87, 16, 40] Operation: 85-45=40 Exploring Operation: 45-16=29, Resulting Numbers: [85, 87, 29] Generated Node #0,4: 88:[85, 87, 29] Operation: 45-16=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[16, 45, 2], Operations: ['87-85=2'] Exploring Operation: 45-16=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 88:[2, 29] Operation: 45-16=29 Exploring Operation: 16/2=8, Resulting Numbers: [45, 8] Generated Node #0,0,1: 88:[45, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [45, 14] Generated Node #0,0,2: 88:[45, 14] Operation: 16-2=14 Exploring Operation: 45-2=43, Resulting Numbers: [16, 43] Generated Node #0,0,3: 88:[16, 43] Operation: 45-2=43 Exploring Operation: 16+2=18, Resulting Numbers: [45, 18] Generated Node #0,0,4: 88:[45, 18] Operation: 16+2=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[45, 8], Operations: ['87-85=2', '16/2=8'] Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,88 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,88 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[45, 14], Operations: ['87-85=2', '16-2=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,88 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 88:[45, 18], Operations: ['87-85=2', '16+2=18'] Exploring Operation: 45*18=810, Resulting Numbers: [810] 810,88 unequal: No Solution Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[16, 43], Operations: ['87-85=2', '45-2=43'] Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,88 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[2, 29], Operations: ['87-85=2', '45-16=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[85, 16, 42], Operations: ['87-45=42'] Exploring Operation: 85-42=43, Resulting Numbers: [16, 43] Generated Node #0,2,0: 88:[16, 43] Operation: 85-42=43 Exploring Operation: 16+42=58, Resulting Numbers: [85, 58] Generated Node #0,2,1: 88:[85, 58] Operation: 16+42=58 Exploring Operation: 85-16=69, Resulting Numbers: [42, 69] Generated Node #0,2,2: 88:[42, 69] Operation: 85-16=69 Exploring Operation: 42-16=26, Resulting Numbers: [85, 26] Generated Node #0,2,3: 88:[85, 26] Operation: 42-16=26 Exploring Operation: 85+16=101, Resulting Numbers: [42, 101] Generated Node #0,2,4: 88:[42, 101] Operation: 85+16=101 Moving to Node #0,2,0 Current State: 88:[16, 43], Operations: ['87-45=42', '85-42=43'] Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,88 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[85, 26], Operations: ['87-45=42', '42-16=26'] Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,88 unequal: No Solution Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,88 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[42, 101], Operations: ['87-45=42', '85+16=101'] Exploring Operation: 101-42=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 42*101=4242, Resulting Numbers: [4242] 4242,88 unequal: No Solution Exploring Operation: 42+101=143, Resulting Numbers: [143] 143,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[85, 58], Operations: ['87-45=42', '16+42=58'] Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,88 unequal: No Solution Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[42, 69], Operations: ['87-45=42', '85-16=69'] Exploring Operation: 42*69=2898, Resulting Numbers: [2898] 2898,88 unequal: No Solution Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 42+69=111, Resulting Numbers: [111] 111,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[87, 16, 40], Operations: ['85-45=40'] Exploring Operation: 87-40=47, Resulting Numbers: [16, 47] Generated Node #0,3,0: 88:[16, 47] Operation: 87-40=47 Exploring Operation: 87-16=71, Resulting Numbers: [40, 71] Generated Node #0,3,1: 88:[40, 71] Operation: 87-16=71 Exploring Operation: 16+40=56, Resulting Numbers: [87, 56] Generated Node #0,3,2: 88:[87, 56] Operation: 16+40=56 Exploring Operation: 87+16=103, Resulting Numbers: [40, 103] Generated Node #0,3,3: 88:[40, 103] Operation: 87+16=103 Exploring Operation: 40-16=24, Resulting Numbers: [87, 24] Generated Node #0,3,4: 88:[87, 24] Operation: 40-16=24 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 88:[87, 24], Operations: ['85-45=40', '40-16=24'] Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,88 unequal: No Solution Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,88 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 88:[16, 47], Operations: ['85-45=40', '87-40=47'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,88 unequal: No Solution Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 88:[87, 56], Operations: ['85-45=40', '16+40=56'] Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,88 unequal: No Solution Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[40, 103], Operations: ['85-45=40', '87+16=103'] Exploring Operation: 40*103=4120, Resulting Numbers: [4120] 4120,88 unequal: No Solution Exploring Operation: 103-40=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 40+103=143, Resulting Numbers: [143] 143,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[40, 71], Operations: ['85-45=40', '87-16=71'] Exploring Operation: 40*71=2840, Resulting Numbers: [2840] 2840,88 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 40+71=111, Resulting Numbers: [111] 111,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 88:[85, 87, 29], Operations: ['45-16=29'] Exploring Operation: 85+29=114, Resulting Numbers: [87, 114] Generated Node #0,4,0: 88:[87, 114] Operation: 85+29=114 Exploring Operation: 87/29=3, Resulting Numbers: [85, 3] Generated Node #0,4,1: 88:[85, 3] Operation: 87/29=3 Exploring Operation: 87-85=2, Resulting Numbers: [29, 2] Generated Node #0,4,2: 88:[29, 2] Operation: 87-85=2 Exploring Operation: 87-29=58, Resulting Numbers: [85, 58] Generated Node #0,4,3: 88:[85, 58] Operation: 87-29=58 Exploring Operation: 85-29=56, Resulting Numbers: [87, 56] Generated Node #0,4,4: 88:[87, 56] Operation: 85-29=56 Moving to Node #0,4,1 Current State: 88:[85, 3], Operations: ['45-16=29', '87/29=3'] Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,88 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[85, 87, 16, 45], Operations: [] Exploring Operation: 45-16=29, Resulting Numbers: [85, 87, 29] Generated Node #0,4: 88:[85, 87, 29] Operation: 45-16=29 Moving to Node #0,4 Current State: 88:[85, 87, 29], Operations: ['45-16=29'] Exploring Operation: 87/29=3, Resulting Numbers: [85, 3] Generated Node #0,4,1: 88:[85, 3] Operation: 87/29=3 Moving to Node #0,4,1 Current State: 88:[85, 3], Operations: ['45-16=29', '87/29=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.934028
hs_5
mult_heuristic
[ 2, 34, 48, 15 ]
43
[ "48/2=24", "34-15=19", "24+19=43" ]
Current State: 43:[2, 34, 48, 15], Operations: [] Exploring Operation: 48/2=24, Resulting Numbers: [34, 15, 24] Generated Node #2: [34, 15, 24] from Operation: 48/2=24 Current State: 43:[34, 15, 24], Operations: ['48/2=24'] Exploring Operation: 34-15=19, Resulting Numbers: [24, 19] Generated Node #3: [24, 19] from Operation: 34-15=19 Current State: 43:[24, 19], Operations: ['48/2=24', '34-15=19'] Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 34, 48, 15], Operations: [] Exploring Operation: 2+15=17, Resulting Numbers: [34, 48, 17] Generated Node #0,0: 43:[34, 48, 17] Operation: 2+15=17 Exploring Operation: 48-2=46, Resulting Numbers: [34, 15, 46] Generated Node #0,1: 43:[34, 15, 46] Operation: 48-2=46 Exploring Operation: 34-2=32, Resulting Numbers: [48, 15, 32] Generated Node #0,2: 43:[48, 15, 32] Operation: 34-2=32 Exploring Operation: 2*15=30, Resulting Numbers: [34, 48, 30] Generated Node #0,3: 43:[34, 48, 30] Operation: 2*15=30 Exploring Operation: 2+34=36, Resulting Numbers: [48, 15, 36] Generated Node #0,4: 43:[48, 15, 36] Operation: 2+34=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[34, 48, 30], Operations: ['2*15=30'] Exploring Operation: 48-30=18, Resulting Numbers: [34, 18] Generated Node #0,3,0: 43:[34, 18] Operation: 48-30=18 Exploring Operation: 48-34=14, Resulting Numbers: [30, 14] Generated Node #0,3,1: 43:[30, 14] Operation: 48-34=14 Exploring Operation: 34+30=64, Resulting Numbers: [48, 64] Generated Node #0,3,2: 43:[48, 64] Operation: 34+30=64 Exploring Operation: 34-30=4, Resulting Numbers: [48, 4] Generated Node #0,3,3: 43:[48, 4] Operation: 34-30=4 Exploring Operation: 48+30=78, Resulting Numbers: [34, 78] Generated Node #0,3,4: 43:[34, 78] Operation: 48+30=78 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[48, 64], Operations: ['2*15=30', '34+30=64'] Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[34, 18], Operations: ['2*15=30', '48-30=18'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,43 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[30, 14], Operations: ['2*15=30', '48-34=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[48, 4], Operations: ['2*15=30', '34-30=4'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 48*4=192, Resulting Numbers: [192] 192,43 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[34, 78], Operations: ['2*15=30', '48+30=78'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,43 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: 43:[34, 48, 17], Operations: ['2+15=17'] Exploring Operation: 34-17=17, Resulting Numbers: [48, 17] Generated Node #0,0,0: 43:[48, 17] Operation: 34-17=17 Exploring Operation: 34+17=51, Resulting Numbers: [48, 51] Generated Node #0,0,1: 43:[48, 51] Operation: 34+17=51 Exploring Operation: 48+17=65, Resulting Numbers: [34, 65] Generated Node #0,0,2: 43:[34, 65] Operation: 48+17=65 Exploring Operation: 48-17=31, Resulting Numbers: [34, 31] Generated Node #0,0,3: 43:[34, 31] Operation: 48-17=31 Exploring Operation: 34/17=2, Resulting Numbers: [48, 2] Generated Node #0,0,4: 43:[48, 2] Operation: 34/17=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[48, 51], Operations: ['2+15=17', '34+17=51'] Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[34, 31], Operations: ['2+15=17', '48-17=31'] Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,43 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[48, 17], Operations: ['2+15=17', '34-17=17'] Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,43 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[34, 65], Operations: ['2+15=17', '48+17=65'] Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 43:[48, 2], Operations: ['2+15=17', '34/17=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,43 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,43 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,43 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: 43:[34, 15, 46], Operations: ['48-2=46'] Exploring Operation: 46-15=31, Resulting Numbers: [34, 31] Generated Node #0,1,0: 43:[34, 31] Operation: 46-15=31 Exploring Operation: 46-34=12, Resulting Numbers: [15, 12] Generated Node #0,1,1: 43:[15, 12] Operation: 46-34=12 Exploring Operation: 15+46=61, Resulting Numbers: [34, 61] Generated Node #0,1,2: 43:[34, 61] Operation: 15+46=61 Exploring Operation: 34-15=19, Resulting Numbers: [46, 19] Generated Node #0,1,3: 43:[46, 19] Operation: 34-15=19 Exploring Operation: 34+15=49, Resulting Numbers: [46, 49] Generated Node #0,1,4: 43:[46, 49] Operation: 34+15=49 Moving to Node #0,1,4 Current State: 43:[46, 49], Operations: ['48-2=46', '34+15=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,43 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[34, 31], Operations: ['48-2=46', '46-15=31'] Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,43 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[34, 61], Operations: ['48-2=46', '15+46=61'] Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 34*61=2074, Resulting Numbers: [2074] 2074,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[46, 19], Operations: ['48-2=46', '34-15=19'] Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,43 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[15, 12], Operations: ['48-2=46', '46-34=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,43 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[48, 15, 36], Operations: ['2+34=36'] Exploring Operation: 36-15=21, Resulting Numbers: [48, 21] Generated Node #0,4,0: 43:[48, 21] Operation: 36-15=21 Exploring Operation: 48-36=12, Resulting Numbers: [15, 12] Generated Node #0,4,1: 43:[15, 12] Operation: 48-36=12 Exploring Operation: 15+36=51, Resulting Numbers: [48, 51] Generated Node #0,4,2: 43:[48, 51] Operation: 15+36=51 Exploring Operation: 48-15=33, Resulting Numbers: [36, 33] Generated Node #0,4,3: 43:[36, 33] Operation: 48-15=33 Exploring Operation: 48+15=63, Resulting Numbers: [36, 63] Generated Node #0,4,4: 43:[36, 63] Operation: 48+15=63 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 43:[48, 51], Operations: ['2+34=36', '15+36=51'] Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,43 unequal: No Solution Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 43:[36, 33], Operations: ['2+34=36', '48-15=33'] Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 43:[48, 21], Operations: ['2+34=36', '36-15=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 43:[36, 63], Operations: ['2+34=36', '48+15=63'] Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 36*63=2268, Resulting Numbers: [2268] 2268,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 43:[15, 12], Operations: ['2+34=36', '48-36=12'] Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,43 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,43 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: 43:[48, 15, 32], Operations: ['34-2=32'] Exploring Operation: 48-15=33, Resulting Numbers: [32, 33] Generated Node #0,2,0: 43:[32, 33] Operation: 48-15=33 Exploring Operation: 32-15=17, Resulting Numbers: [48, 17] Generated Node #0,2,1: 43:[48, 17] Operation: 32-15=17 Exploring Operation: 48+15=63, Resulting Numbers: [32, 63] Generated Node #0,2,2: 43:[32, 63] Operation: 48+15=63 Exploring Operation: 48-32=16, Resulting Numbers: [15, 16] Generated Node #0,2,3: 43:[15, 16] Operation: 48-32=16 Exploring Operation: 15+32=47, Resulting Numbers: [48, 47] Generated Node #0,2,4: 43:[48, 47] Operation: 15+32=47 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[48, 47], Operations: ['34-2=32', '15+32=47'] Exploring Operation: 48*47=2256, Resulting Numbers: [2256] 2256,43 unequal: No Solution Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 48+47=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[32, 33], Operations: ['34-2=32', '48-15=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,43 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[48, 17], Operations: ['34-2=32', '32-15=17'] Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[32, 63], Operations: ['34-2=32', '48+15=63'] Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[15, 16], Operations: ['34-2=32', '48-32=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,43 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 83, 77, 54, 38 ]
98
[ "83-77=6", "54+38=92", "6+92=98" ]
Current State: 98:[83, 77, 54, 38], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [54, 38, 6] Generated Node #2: [54, 38, 6] from Operation: 83-77=6 Current State: 98:[54, 38, 6], Operations: ['83-77=6'] Exploring Operation: 54+38=92, Resulting Numbers: [6, 92] Generated Node #3: [6, 92] from Operation: 54+38=92 Current State: 98:[6, 92], Operations: ['83-77=6', '54+38=92'] Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[83, 77, 54, 38], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [54, 38, 6] Generated Node #0,0: 98:[54, 38, 6] Operation: 83-77=6 Exploring Operation: 77-38=39, Resulting Numbers: [83, 54, 39] Generated Node #0,1: 98:[83, 54, 39] Operation: 77-38=39 Exploring Operation: 83-38=45, Resulting Numbers: [77, 54, 45] Generated Node #0,2: 98:[77, 54, 45] Operation: 83-38=45 Moving to Node #0,0 Current State: 98:[54, 38, 6], Operations: ['83-77=6'] Exploring Operation: 54-38=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 98:[6, 16] Operation: 54-38=16 Exploring Operation: 38+6=44, Resulting Numbers: [54, 44] Generated Node #0,0,1: 98:[54, 44] Operation: 38+6=44 Exploring Operation: 54+38=92, Resulting Numbers: [6, 92] Generated Node #0,0,2: 98:[6, 92] Operation: 54+38=92 Moving to Node #0,1 Current State: 98:[83, 54, 39], Operations: ['77-38=39'] Exploring Operation: 54+39=93, Resulting Numbers: [83, 93] Generated Node #0,1,0: 98:[83, 93] Operation: 54+39=93 Exploring Operation: 83-39=44, Resulting Numbers: [54, 44] Generated Node #0,1,1: 98:[54, 44] Operation: 83-39=44 Exploring Operation: 54-39=15, Resulting Numbers: [83, 15] Generated Node #0,1,2: 98:[83, 15] Operation: 54-39=15 Moving to Node #0,2 Current State: 98:[77, 54, 45], Operations: ['83-38=45'] Exploring Operation: 77-45=32, Resulting Numbers: [54, 32] Generated Node #0,2,0: 98:[54, 32] Operation: 77-45=32 Exploring Operation: 77-54=23, Resulting Numbers: [45, 23] Generated Node #0,2,1: 98:[45, 23] Operation: 77-54=23 Exploring Operation: 54+45=99, Resulting Numbers: [77, 99] Generated Node #0,2,2: 98:[77, 99] Operation: 54+45=99 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[45, 23], Operations: ['83-38=45', '77-54=23'] Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,98 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[54, 32], Operations: ['83-38=45', '77-45=32'] Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,98 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[77, 99], Operations: ['83-38=45', '54+45=99'] Exploring Operation: 77+99=176, Resulting Numbers: [176] 176,98 unequal: No Solution Exploring Operation: 99-77=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 77*99=7623, Resulting Numbers: [7623] 7623,98 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: 98:[6, 16], Operations: ['83-77=6', '54-38=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[6, 92], Operations: ['83-77=6', '54+38=92'] Exploring Operation: 6*92=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[83, 77, 54, 38], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [54, 38, 6] Generated Node #0,0: 98:[54, 38, 6] Operation: 83-77=6 Moving to Node #0,0 Current State: 98:[54, 38, 6], Operations: ['83-77=6'] Exploring Operation: 54+38=92, Resulting Numbers: [6, 92] Generated Node #0,0,2: 98:[6, 92] Operation: 54+38=92 Moving to Node #0,0,2 Current State: 98:[6, 92], Operations: ['83-77=6', '54+38=92'] Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.973958
hs_3
mult_heuristic
[ 93, 13, 15, 33 ]
98
[ "93-13=80", "33-15=18", "80+18=98" ]
Current State: 98:[93, 13, 15, 33], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [15, 33, 80] Generated Node #2: [15, 33, 80] from Operation: 93-13=80 Current State: 98:[15, 33, 80], Operations: ['93-13=80'] Exploring Operation: 33-15=18, Resulting Numbers: [80, 18] Generated Node #3: [80, 18] from Operation: 33-15=18 Current State: 98:[80, 18], Operations: ['93-13=80', '33-15=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[93, 13, 15, 33], Operations: [] Exploring Operation: 15+33=48, Resulting Numbers: [93, 13, 48] Generated Node #0,0: 98:[93, 13, 48] Operation: 15+33=48 Exploring Operation: 13+33=46, Resulting Numbers: [93, 15, 46] Generated Node #0,1: 98:[93, 15, 46] Operation: 13+33=46 Exploring Operation: 33-15=18, Resulting Numbers: [93, 13, 18] Generated Node #0,2: 98:[93, 13, 18] Operation: 33-15=18 Moving to Node #0,0 Current State: 98:[93, 13, 48], Operations: ['15+33=48'] Exploring Operation: 93-48=45, Resulting Numbers: [13, 45] Generated Node #0,0,0: 98:[13, 45] Operation: 93-48=45 Exploring Operation: 13+48=61, Resulting Numbers: [93, 61] Generated Node #0,0,1: 98:[93, 61] Operation: 13+48=61 Exploring Operation: 93+13=106, Resulting Numbers: [48, 106] Generated Node #0,0,2: 98:[48, 106] Operation: 93+13=106 Moving to Node #0,1 Current State: 98:[93, 15, 46], Operations: ['13+33=46'] Exploring Operation: 93+15=108, Resulting Numbers: [46, 108] Generated Node #0,1,0: 98:[46, 108] Operation: 93+15=108 Exploring Operation: 15+46=61, Resulting Numbers: [93, 61] Generated Node #0,1,1: 98:[93, 61] Operation: 15+46=61 Exploring Operation: 93-46=47, Resulting Numbers: [15, 47] Generated Node #0,1,2: 98:[15, 47] Operation: 93-46=47 Moving to Node #0,2 Current State: 98:[93, 13, 18], Operations: ['33-15=18'] Exploring Operation: 18-13=5, Resulting Numbers: [93, 5] Generated Node #0,2,0: 98:[93, 5] Operation: 18-13=5 Exploring Operation: 93+13=106, Resulting Numbers: [18, 106] Generated Node #0,2,1: 98:[18, 106] Operation: 93+13=106 Exploring Operation: 93+18=111, Resulting Numbers: [13, 111] Generated Node #0,2,2: 98:[13, 111] Operation: 93+18=111 Moving to Node #0,1,2 Current State: 98:[15, 47], Operations: ['13+33=46', '93-46=47'] Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 15*47=705, Resulting Numbers: [705] 705,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[13, 45], Operations: ['15+33=48', '93-48=45'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,98 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[93, 5], Operations: ['33-15=18', '18-13=5'] Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 93*5=465, Resulting Numbers: [465] 465,98 unequal: No Solution Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[93, 13, 15, 33], Operations: [] Exploring Operation: 33-15=18, Resulting Numbers: [93, 13, 18] Generated Node #0,2: 98:[93, 13, 18] Operation: 33-15=18 Moving to Node #0,2 Current State: 98:[93, 13, 18], Operations: ['33-15=18'] Exploring Operation: 18-13=5, Resulting Numbers: [93, 5] Generated Node #0,2,0: 98:[93, 5] Operation: 18-13=5 Moving to Node #0,2,0 Current State: 98:[93, 5], Operations: ['33-15=18', '18-13=5'] Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 70, 9, 81, 25 ]
14
[ "70+81=151", "151-25=126", "126/9=14" ]
Current State: 14:[70, 9, 81, 25], Operations: [] Exploring Operation: 70+81=151, Resulting Numbers: [9, 25, 151] Generated Node #2: [9, 25, 151] from Operation: 70+81=151 Current State: 14:[9, 25, 151], Operations: ['70+81=151'] Exploring Operation: 151-25=126, Resulting Numbers: [9, 126] Generated Node #3: [9, 126] from Operation: 151-25=126 Current State: 14:[9, 126], Operations: ['70+81=151', '151-25=126'] Exploring Operation: 126/9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[70, 9, 81, 25], Operations: [] Exploring Operation: 70-25=45, Resulting Numbers: [9, 81, 45] Generated Node #0,0: 14:[9, 81, 45] Operation: 70-25=45 Exploring Operation: 81-70=11, Resulting Numbers: [9, 25, 11] Generated Node #0,1: 14:[9, 25, 11] Operation: 81-70=11 Exploring Operation: 81-25=56, Resulting Numbers: [70, 9, 56] Generated Node #0,2: 14:[70, 9, 56] Operation: 81-25=56 Exploring Operation: 81/9=9, Resulting Numbers: [70, 25, 9] Generated Node #0,3: 14:[70, 25, 9] Operation: 81/9=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[9, 25, 11], Operations: ['81-70=11'] Exploring Operation: 9+11=20, Resulting Numbers: [25, 20] Generated Node #0,1,0: 14:[25, 20] Operation: 9+11=20 Exploring Operation: 25-11=14, Resulting Numbers: [9, 14] Generated Node #0,1,1: 14:[9, 14] Operation: 25-11=14 Exploring Operation: 25-9=16, Resulting Numbers: [11, 16] Generated Node #0,1,2: 14:[11, 16] Operation: 25-9=16 Exploring Operation: 11-9=2, Resulting Numbers: [25, 2] Generated Node #0,1,3: 14:[25, 2] Operation: 11-9=2 Moving to Node #0,1,1 Current State: 14:[9, 14], Operations: ['81-70=11', '25-11=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,14 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[11, 16], Operations: ['81-70=11', '25-9=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[25, 2], Operations: ['81-70=11', '11-9=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[25, 20], Operations: ['81-70=11', '9+11=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 25*20=500, Resulting Numbers: [500] 500,14 unequal: No Solution No 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: 14:[70, 25, 9], Operations: ['81/9=9'] Exploring Operation: 70+9=79, Resulting Numbers: [25, 79] Generated Node #0,3,0: 14:[25, 79] Operation: 70+9=79 Exploring Operation: 25-9=16, Resulting Numbers: [70, 16] Generated Node #0,3,1: 14:[70, 16] Operation: 25-9=16 Exploring Operation: 70-25=45, Resulting Numbers: [9, 45] Generated Node #0,3,2: 14:[9, 45] Operation: 70-25=45 Exploring Operation: 70-9=61, Resulting Numbers: [25, 61] Generated Node #0,3,3: 14:[25, 61] Operation: 70-9=61 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 14:[9, 45], Operations: ['81/9=9', '70-25=45'] Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,14 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,14 unequal: No Solution No 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: 14:[70, 16], Operations: ['81/9=9', '25-9=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,14 unequal: No Solution Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,14 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,14 unequal: No Solution No 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: 14:[25, 61], Operations: ['81/9=9', '70-9=61'] Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,14 unequal: No Solution Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,14 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,14 unequal: No Solution No 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: 14:[25, 79], Operations: ['81/9=9', '70+9=79'] Exploring Operation: 25+79=104, Resulting Numbers: [104] 104,14 unequal: No Solution Exploring Operation: 25*79=1975, Resulting Numbers: [1975] 1975,14 unequal: No Solution Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,14 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: 14:[9, 81, 45], Operations: ['70-25=45'] Exploring Operation: 81-9=72, Resulting Numbers: [45, 72] Generated Node #0,0,0: 14:[45, 72] Operation: 81-9=72 Exploring Operation: 81/9=9, Resulting Numbers: [45, 9] Generated Node #0,0,1: 14:[45, 9] Operation: 81/9=9 Exploring Operation: 45/9=5, Resulting Numbers: [81, 5] Generated Node #0,0,2: 14:[81, 5] Operation: 45/9=5 Exploring Operation: 81-45=36, Resulting Numbers: [9, 36] Generated Node #0,0,3: 14:[9, 36] Operation: 81-45=36 Moving to Node #0,0,3 Current State: 14:[9, 36], Operations: ['70-25=45', '81-45=36'] Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,14 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[45, 9], Operations: ['70-25=45', '81/9=9'] Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,14 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[81, 5], Operations: ['70-25=45', '45/9=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,14 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,14 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[45, 72], Operations: ['70-25=45', '81-9=72'] Exploring Operation: 45*72=3240, Resulting Numbers: [3240] 3240,14 unequal: No Solution Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 45+72=117, Resulting Numbers: [117] 117,14 unequal: No Solution No 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: 14:[70, 9, 56], Operations: ['81-25=56'] Exploring Operation: 70-56=14, Resulting Numbers: [9, 14] Generated Node #0,2,0: 14:[9, 14] Operation: 70-56=14 Exploring Operation: 70+9=79, Resulting Numbers: [56, 79] Generated Node #0,2,1: 14:[56, 79] Operation: 70+9=79 Exploring Operation: 56-9=47, Resulting Numbers: [70, 47] Generated Node #0,2,2: 14:[70, 47] Operation: 56-9=47 Exploring Operation: 70-9=61, Resulting Numbers: [56, 61] Generated Node #0,2,3: 14:[56, 61] Operation: 70-9=61 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 14:[9, 14], Operations: ['81-25=56', '70-56=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,14 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,14 unequal: No Solution No 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: 14:[70, 47], Operations: ['81-25=56', '56-9=47'] Exploring Operation: 70+47=117, Resulting Numbers: [117] 117,14 unequal: No Solution Exploring Operation: 70*47=3290, Resulting Numbers: [3290] 3290,14 unequal: No Solution Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,14 unequal: No Solution No 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: 14:[56, 61], Operations: ['81-25=56', '70-9=61'] Exploring Operation: 56+61=117, Resulting Numbers: [117] 117,14 unequal: No Solution Exploring Operation: 56*61=3416, Resulting Numbers: [3416] 3416,14 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,14 unequal: No Solution No 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: 14:[56, 79], Operations: ['81-25=56', '70+9=79'] Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,14 unequal: No Solution Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,14 unequal: No Solution Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,14 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
[ 82, 80, 28, 5 ]
58
[ "82+28=110", "110/5=22", "80-22=58" ]
Current State: 58:[82, 80, 28, 5], Operations: [] Exploring Operation: 82+28=110, Resulting Numbers: [80, 5, 110] Generated Node #2: [80, 5, 110] from Operation: 82+28=110 Current State: 58:[80, 5, 110], Operations: ['82+28=110'] Exploring Operation: 110/5=22, Resulting Numbers: [80, 22] Generated Node #3: [80, 22] from Operation: 110/5=22 Current State: 58:[80, 22], Operations: ['82+28=110', '110/5=22'] Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[82, 80, 28, 5], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [80, 5, 54] Generated Node #0,0: 58:[80, 5, 54] Operation: 82-28=54 Exploring Operation: 82-80=2, Resulting Numbers: [28, 5, 2] Generated Node #0,1: 58:[28, 5, 2] Operation: 82-80=2 Moving to Node #0,1 Current State: 58:[28, 5, 2], Operations: ['82-80=2'] Exploring Operation: 28+5=33, Resulting Numbers: [2, 33] Generated Node #0,1,0: 58:[2, 33] Operation: 28+5=33 Exploring Operation: 5-2=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 58:[28, 3] Operation: 5-2=3 Moving to Node #0,0 Current State: 58:[80, 5, 54], Operations: ['82-28=54'] Exploring Operation: 80/5=16, Resulting Numbers: [54, 16] Generated Node #0,0,0: 58:[54, 16] Operation: 80/5=16 Exploring Operation: 80-54=26, Resulting Numbers: [5, 26] Generated Node #0,0,1: 58:[5, 26] Operation: 80-54=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[5, 26], Operations: ['82-28=54', '80-54=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[54, 16], Operations: ['82-28=54', '80/5=16'] Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 58:[28, 3], Operations: ['82-80=2', '5-2=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[2, 33], Operations: ['82-80=2', '28+5=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 8, 76, 15, 52 ]
12
[ "76-52=24", "24/8=3", "15-3=12" ]
Current State: 12:[8, 76, 15, 52], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [8, 15, 24] Generated Node #2: [8, 15, 24] from Operation: 76-52=24 Current State: 12:[8, 15, 24], Operations: ['76-52=24'] Exploring Operation: 24/8=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 24/8=3 Current State: 12:[15, 3], Operations: ['76-52=24', '24/8=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[8, 76, 15, 52], Operations: [] Exploring Operation: 52-15=37, Resulting Numbers: [8, 76, 37] Generated Node #0,0: 12:[8, 76, 37] Operation: 52-15=37 Exploring Operation: 76-8=68, Resulting Numbers: [15, 52, 68] Generated Node #0,1: 12:[15, 52, 68] Operation: 76-8=68 Exploring Operation: 76-15=61, Resulting Numbers: [8, 52, 61] Generated Node #0,2: 12:[8, 52, 61] Operation: 76-15=61 Exploring Operation: 76-52=24, Resulting Numbers: [8, 15, 24] Generated Node #0,3: 12:[8, 15, 24] Operation: 76-52=24 Exploring Operation: 52-8=44, Resulting Numbers: [76, 15, 44] Generated Node #0,4: 12:[76, 15, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[8, 15, 24], Operations: ['76-52=24'] Exploring Operation: 24-8=16, Resulting Numbers: [15, 16] Generated Node #0,3,0: 12:[15, 16] Operation: 24-8=16 Exploring Operation: 24/8=3, Resulting Numbers: [15, 3] Generated Node #0,3,1: 12:[15, 3] Operation: 24/8=3 Exploring Operation: 24-15=9, Resulting Numbers: [8, 9] Generated Node #0,3,2: 12:[8, 9] Operation: 24-15=9 Exploring Operation: 15-8=7, Resulting Numbers: [24, 7] Generated Node #0,3,3: 12:[24, 7] Operation: 15-8=7 Exploring Operation: 8+15=23, Resulting Numbers: [24, 23] Generated Node #0,3,4: 12:[24, 23] Operation: 8+15=23 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 12:[15, 3], Operations: ['76-52=24', '24/8=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[8, 76, 15, 52], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [8, 15, 24] Generated Node #0,3: 12:[8, 15, 24] Operation: 76-52=24 Moving to Node #0,3 Current State: 12:[8, 15, 24], Operations: ['76-52=24'] Exploring Operation: 24/8=3, Resulting Numbers: [15, 3] Generated Node #0,3,1: 12:[15, 3] Operation: 24/8=3 Moving to Node #0,3,1 Current State: 12:[15, 3], Operations: ['76-52=24', '24/8=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 75, 37, 39, 81 ]
78
[ "75+81=156", "39-37=2", "156/2=78" ]
Current State: 78:[75, 37, 39, 81], Operations: [] Exploring Operation: 75+81=156, Resulting Numbers: [37, 39, 156] Generated Node #2: [37, 39, 156] from Operation: 75+81=156 Current State: 78:[37, 39, 156], Operations: ['75+81=156'] Exploring Operation: 39-37=2, Resulting Numbers: [156, 2] Generated Node #3: [156, 2] from Operation: 39-37=2 Current State: 78:[156, 2], Operations: ['75+81=156', '39-37=2'] Exploring Operation: 156/2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[75, 37, 39, 81], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [37, 39, 6] Generated Node #0,0: 78:[37, 39, 6] Operation: 81-75=6 Moving to Node #0,0 Current State: 78:[37, 39, 6], Operations: ['81-75=6'] Exploring Operation: 39-37=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 78:[6, 2] Operation: 39-37=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[6, 2], Operations: ['81-75=6', '39-37=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 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
[ 51, 26, 31, 3 ]
32
[ "26+31=57", "57/3=19", "51-19=32" ]
Current State: 32:[51, 26, 31, 3], Operations: [] Exploring Operation: 26+31=57, Resulting Numbers: [51, 3, 57] Generated Node #2: [51, 3, 57] from Operation: 26+31=57 Current State: 32:[51, 3, 57], Operations: ['26+31=57'] Exploring Operation: 57/3=19, Resulting Numbers: [51, 19] Generated Node #3: [51, 19] from Operation: 57/3=19 Current State: 32:[51, 19], Operations: ['26+31=57', '57/3=19'] Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[51, 26, 31, 3], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [31, 3, 25] Generated Node #0,0: 32:[31, 3, 25] Operation: 51-26=25 Exploring Operation: 51/3=17, Resulting Numbers: [26, 31, 17] Generated Node #0,1: 32:[26, 31, 17] Operation: 51/3=17 Moving to Node #0,1 Current State: 32:[26, 31, 17], Operations: ['51/3=17'] Exploring Operation: 31-26=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 32:[17, 5] Operation: 31-26=5 Exploring Operation: 26-17=9, Resulting Numbers: [31, 9] Generated Node #0,1,1: 32:[31, 9] Operation: 26-17=9 Moving to Node #0,0 Current State: 32:[31, 3, 25], Operations: ['51-26=25'] Exploring Operation: 3+25=28, Resulting Numbers: [31, 28] Generated Node #0,0,0: 32:[31, 28] Operation: 3+25=28 Exploring Operation: 31-25=6, Resulting Numbers: [3, 6] Generated Node #0,0,1: 32:[3, 6] Operation: 31-25=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[3, 6], Operations: ['51-26=25', '31-25=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,32 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:[31, 28], Operations: ['51-26=25', '3+25=28'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 32:[17, 5], Operations: ['51/3=17', '31-26=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[31, 9], Operations: ['51/3=17', '26-17=9'] Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,32 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 54, 69, 69, 18 ]
37
[ "54-18=36", "69/69=1", "36+1=37" ]
Current State: 37:[54, 69, 69, 18], Operations: [] Exploring Operation: 54-18=36, Resulting Numbers: [69, 69, 36] Generated Node #2: [69, 69, 36] from Operation: 54-18=36 Current State: 37:[69, 69, 36], Operations: ['54-18=36'] Exploring Operation: 69/69=1, Resulting Numbers: [36, 1] Generated Node #3: [36, 1] from Operation: 69/69=1 Current State: 37:[36, 1], Operations: ['54-18=36', '69/69=1'] Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[54, 69, 69, 18], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [54, 69, 51] Generated Node #0,0: 37:[54, 69, 51] Operation: 69-18=51 Exploring Operation: 54-18=36, Resulting Numbers: [69, 69, 36] Generated Node #0,1: 37:[69, 69, 36] Operation: 54-18=36 Exploring Operation: 69-18=51, Resulting Numbers: [54, 69, 51] Generated Node #0,2: 37:[54, 69, 51] Operation: 69-18=51 Moving to Node #0,0 Current State: 37:[54, 69, 51], Operations: ['69-18=51'] Exploring Operation: 54-51=3, Resulting Numbers: [69, 3] Generated Node #0,0,0: 37:[69, 3] Operation: 54-51=3 Exploring Operation: 69-54=15, Resulting Numbers: [51, 15] Generated Node #0,0,1: 37:[51, 15] Operation: 69-54=15 Exploring Operation: 69-51=18, Resulting Numbers: [54, 18] Generated Node #0,0,2: 37:[54, 18] Operation: 69-51=18 Moving to Node #0,2 Current State: 37:[54, 69, 51], Operations: ['69-18=51'] Exploring Operation: 54-51=3, Resulting Numbers: [69, 3] Generated Node #0,2,0: 37:[69, 3] Operation: 54-51=3 Exploring Operation: 69-54=15, Resulting Numbers: [51, 15] Generated Node #0,2,1: 37:[51, 15] Operation: 69-54=15 Exploring Operation: 69-51=18, Resulting Numbers: [54, 18] Generated Node #0,2,2: 37:[54, 18] Operation: 69-51=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[51, 15], Operations: ['69-18=51', '69-54=15'] Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 51*15=765, Resulting Numbers: [765] 765,37 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,37 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 #0,2,2 Current State: 37:[54, 18], Operations: ['69-18=51', '69-51=18'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,37 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:[69, 3], Operations: ['69-18=51', '54-51=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,37 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,37 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: 37:[69, 69, 36], Operations: ['54-18=36'] Exploring Operation: 69/69=1, Resulting Numbers: [36, 1] Generated Node #0,1,0: 37:[36, 1] Operation: 69/69=1 Exploring Operation: 69-36=33, Resulting Numbers: [69, 33] Generated Node #0,1,1: 37:[69, 33] Operation: 69-36=33 Exploring Operation: 69-36=33, Resulting Numbers: [69, 33] Generated Node #0,1,2: 37:[69, 33] Operation: 69-36=33 Moving to Node #0,0,1 Current State: 37:[51, 15], Operations: ['69-18=51', '69-54=15'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 51*15=765, Resulting Numbers: [765] 765,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[54, 18], Operations: ['69-18=51', '69-51=18'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[69, 33], Operations: ['54-18=36', '69-36=33'] Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,37 unequal: No Solution Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[69, 33], Operations: ['54-18=36', '69-36=33'] Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[36, 1], Operations: ['54-18=36', '69/69=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[54, 69, 69, 18], Operations: [] Exploring Operation: 54-18=36, Resulting Numbers: [69, 69, 36] Generated Node #0,1: 37:[69, 69, 36] Operation: 54-18=36 Moving to Node #0,1 Current State: 37:[69, 69, 36], Operations: ['54-18=36'] Exploring Operation: 69/69=1, Resulting Numbers: [36, 1] Generated Node #0,1,0: 37:[36, 1] Operation: 69/69=1 Moving to Node #0,1,0 Current State: 37:[36, 1], Operations: ['54-18=36', '69/69=1'] Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
0.965278
hs_3
sum_heuristic
[ 3, 82, 57, 73 ]
54
[ "82-73=9", "9/3=3", "57-3=54" ]
Current State: 54:[3, 82, 57, 73], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [3, 57, 9] Generated Node #2: [3, 57, 9] from Operation: 82-73=9 Current State: 54:[3, 57, 9], Operations: ['82-73=9'] Exploring Operation: 9/3=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 9/3=3 Current State: 54:[57, 3], Operations: ['82-73=9', '9/3=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[3, 82, 57, 73], Operations: [] Exploring Operation: 82-57=25, Resulting Numbers: [3, 73, 25] Generated Node #0,0: 54:[3, 73, 25] Operation: 82-57=25 Exploring Operation: 82-73=9, Resulting Numbers: [3, 57, 9] Generated Node #0,1: 54:[3, 57, 9] Operation: 82-73=9 Moving to Node #0,1 Current State: 54:[3, 57, 9], Operations: ['82-73=9'] Exploring Operation: 57-3=54, Resulting Numbers: [9, 54] Generated Node #0,1,0: 54:[9, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [9, 19] Generated Node #0,1,1: 54:[9, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[9, 54], Operations: ['82-73=9', '57-3=54'] Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 9+54=63, Resulting Numbers: [63] 63,54 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 #0,1,1 Current State: 54:[9, 19], Operations: ['82-73=9', '57/3=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,54 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:[3, 73, 25], Operations: ['82-57=25'] Exploring Operation: 73-25=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 54:[3, 48] Operation: 73-25=48 Exploring Operation: 73-3=70, Resulting Numbers: [25, 70] Generated Node #0,0,1: 54:[25, 70] Operation: 73-3=70 Moving to Node #0,0,0 Current State: 54:[3, 48], Operations: ['82-57=25', '73-25=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[25, 70], Operations: ['82-57=25', '73-3=70'] Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,54 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,54 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 38, 37, 93, 92 ]
98
[ "38*93=3534", "92+3534=3626", "3626/37=98" ]
Current State: 98:[38, 37, 93, 92], Operations: [] Exploring Operation: 38*93=3534, Resulting Numbers: [37, 92, 3534] Generated Node #2: [37, 92, 3534] from Operation: 38*93=3534 Current State: 98:[37, 92, 3534], Operations: ['38*93=3534'] Exploring Operation: 92+3534=3626, Resulting Numbers: [37, 3626] Generated Node #3: [37, 3626] from Operation: 92+3534=3626 Current State: 98:[37, 3626], Operations: ['38*93=3534', '92+3534=3626'] Exploring Operation: 3626/37=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[38, 37, 93, 92], Operations: [] Exploring Operation: 92-38=54, Resulting Numbers: [37, 93, 54] Generated Node #0,0: 98:[37, 93, 54] Operation: 92-38=54 Exploring Operation: 93-38=55, Resulting Numbers: [37, 92, 55] Generated Node #0,1: 98:[37, 92, 55] Operation: 93-38=55 Exploring Operation: 92-37=55, Resulting Numbers: [38, 93, 55] Generated Node #0,2: 98:[38, 93, 55] Operation: 92-37=55 Exploring Operation: 38-37=1, Resulting Numbers: [93, 92, 1] Generated Node #0,3: 98:[93, 92, 1] Operation: 38-37=1 Exploring Operation: 93-37=56, Resulting Numbers: [38, 92, 56] Generated Node #0,4: 98:[38, 92, 56] Operation: 93-37=56 Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[93, 92, 1], Operations: ['38-37=1'] Exploring Operation: 93-92=1, Resulting Numbers: [1, 1] Generated Node #0,3,0: 98:[1, 1] Operation: 93-92=1 Exploring Operation: 92+1=93, Resulting Numbers: [93, 93] Generated Node #0,3,1: 98:[93, 93] Operation: 92+1=93 Exploring Operation: 93+1=94, Resulting Numbers: [92, 94] Generated Node #0,3,2: 98:[92, 94] Operation: 93+1=94 Exploring Operation: 93/1=93, Resulting Numbers: [92, 93] Generated Node #0,3,3: 98:[92, 93] Operation: 93/1=93 Exploring Operation: 93*1=93, Resulting Numbers: [92, 93] Generated Node #0,3,4: 98:[92, 93] Operation: 93*1=93 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[1, 1], Operations: ['38-37=1', '93-92=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[93, 93], Operations: ['38-37=1', '92+1=93'] Exploring Operation: 93*93=8649, Resulting Numbers: [8649] 8649,98 unequal: No Solution Exploring Operation: 93+93=186, Resulting Numbers: [186] 186,98 unequal: No Solution Exploring Operation: 93/93=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 93-93=0, Resulting Numbers: [0] 0,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[92, 94], Operations: ['38-37=1', '93+1=94'] Exploring Operation: 92*94=8648, Resulting Numbers: [8648] 8648,98 unequal: No Solution Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 92+94=186, Resulting Numbers: [186] 186,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[92, 93], Operations: ['38-37=1', '93/1=93'] Exploring Operation: 92+93=185, Resulting Numbers: [185] 185,98 unequal: No Solution Exploring Operation: 92*93=8556, Resulting Numbers: [8556] 8556,98 unequal: No Solution Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 98:[92, 93], Operations: ['38-37=1', '93*1=93'] Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 92+93=185, Resulting Numbers: [185] 185,98 unequal: No Solution Exploring Operation: 92*93=8556, Resulting Numbers: [8556] 8556,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[37, 93, 54], Operations: ['92-38=54'] Exploring Operation: 93-54=39, Resulting Numbers: [37, 39] Generated Node #0,0,0: 98:[37, 39] Operation: 93-54=39 Exploring Operation: 37+54=91, Resulting Numbers: [93, 91] Generated Node #0,0,1: 98:[93, 91] Operation: 37+54=91 Exploring Operation: 93-37=56, Resulting Numbers: [54, 56] Generated Node #0,0,2: 98:[54, 56] Operation: 93-37=56 Exploring Operation: 54-37=17, Resulting Numbers: [93, 17] Generated Node #0,0,3: 98:[93, 17] Operation: 54-37=17 Exploring Operation: 37+93=130, Resulting Numbers: [54, 130] Generated Node #0,0,4: 98:[54, 130] Operation: 37+93=130 Moving to Node #0,0,3 Current State: 98:[93, 17], Operations: ['92-38=54', '54-37=17'] Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[54, 56], Operations: ['92-38=54', '93-37=56'] Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 54+56=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 54*56=3024, Resulting Numbers: [3024] 3024,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[93, 91], Operations: ['92-38=54', '37+54=91'] Exploring Operation: 93+91=184, Resulting Numbers: [184] 184,98 unequal: No Solution Exploring Operation: 93*91=8463, Resulting Numbers: [8463] 8463,98 unequal: No Solution Exploring Operation: 93-91=2, Resulting Numbers: [2] 2,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[37, 39], Operations: ['92-38=54', '93-54=39'] Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,98 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[54, 130], Operations: ['92-38=54', '37+93=130'] Exploring Operation: 54*130=7020, Resulting Numbers: [7020] 7020,98 unequal: No Solution Exploring Operation: 54+130=184, Resulting Numbers: [184] 184,98 unequal: No Solution Exploring Operation: 130-54=76, Resulting Numbers: [76] 76,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[38, 93, 55], Operations: ['92-37=55'] Exploring Operation: 93-55=38, Resulting Numbers: [38, 38] Generated Node #0,2,0: 98:[38, 38] Operation: 93-55=38 Exploring Operation: 55-38=17, Resulting Numbers: [93, 17] Generated Node #0,2,1: 98:[93, 17] Operation: 55-38=17 Exploring Operation: 93-38=55, Resulting Numbers: [55, 55] Generated Node #0,2,2: 98:[55, 55] Operation: 93-38=55 Exploring Operation: 38+55=93, Resulting Numbers: [93, 93] Generated Node #0,2,3: 98:[93, 93] Operation: 38+55=93 Exploring Operation: 38+93=131, Resulting Numbers: [55, 131] Generated Node #0,2,4: 98:[55, 131] Operation: 38+93=131 Moving to Node #0,2,1 Current State: 98:[93, 17], Operations: ['92-37=55', '55-38=17'] Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,98 unequal: No Solution Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[93, 93], Operations: ['92-37=55', '38+55=93'] Exploring Operation: 93/93=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 93+93=186, Resulting Numbers: [186] 186,98 unequal: No Solution Exploring Operation: 93-93=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 93*93=8649, Resulting Numbers: [8649] 8649,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[55, 55], Operations: ['92-37=55', '93-38=55'] Exploring Operation: 55/55=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 55*55=3025, Resulting Numbers: [3025] 3025,98 unequal: No Solution Exploring Operation: 55-55=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 55+55=110, Resulting Numbers: [110] 110,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[38, 38], Operations: ['92-37=55', '93-55=38'] Exploring Operation: 38*38=1444, Resulting Numbers: [1444] 1444,98 unequal: No Solution Exploring Operation: 38-38=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 38/38=1, Resulting Numbers: [1] 1,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[55, 131], Operations: ['92-37=55', '38+93=131'] Exploring Operation: 55*131=7205, Resulting Numbers: [7205] 7205,98 unequal: No Solution Exploring Operation: 55+131=186, Resulting Numbers: [186] 186,98 unequal: No Solution Exploring Operation: 131-55=76, Resulting Numbers: [76] 76,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[37, 92, 55], Operations: ['93-38=55'] Exploring Operation: 92-37=55, Resulting Numbers: [55, 55] Generated Node #0,1,0: 98:[55, 55] Operation: 92-37=55 Exploring Operation: 37+92=129, Resulting Numbers: [55, 129] Generated Node #0,1,1: 98:[55, 129] Operation: 37+92=129 Exploring Operation: 37+55=92, Resulting Numbers: [92, 92] Generated Node #0,1,2: 98:[92, 92] Operation: 37+55=92 Exploring Operation: 92-55=37, Resulting Numbers: [37, 37] Generated Node #0,1,3: 98:[37, 37] Operation: 92-55=37 Exploring Operation: 55-37=18, Resulting Numbers: [92, 18] Generated Node #0,1,4: 98:[92, 18] Operation: 55-37=18 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[92, 18], Operations: ['93-38=55', '55-37=18'] Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,98 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[55, 55], Operations: ['93-38=55', '92-37=55'] Exploring Operation: 55-55=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 55/55=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 55*55=3025, Resulting Numbers: [3025] 3025,98 unequal: No Solution Exploring Operation: 55+55=110, Resulting Numbers: [110] 110,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[92, 92], Operations: ['93-38=55', '37+55=92'] Exploring Operation: 92-92=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 92*92=8464, Resulting Numbers: [8464] 8464,98 unequal: No Solution Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 92+92=184, Resulting Numbers: [184] 184,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[37, 37], Operations: ['93-38=55', '92-55=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 37*37=1369, Resulting Numbers: [1369] 1369,98 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[55, 129], Operations: ['93-38=55', '37+92=129'] Exploring Operation: 55+129=184, Resulting Numbers: [184] 184,98 unequal: No Solution Exploring Operation: 129-55=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 55*129=7095, Resulting Numbers: [7095] 7095,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[38, 92, 56], Operations: ['93-37=56'] Exploring Operation: 38+92=130, Resulting Numbers: [56, 130] Generated Node #0,4,0: 98:[56, 130] Operation: 38+92=130 Exploring Operation: 92-38=54, Resulting Numbers: [56, 54] Generated Node #0,4,1: 98:[56, 54] Operation: 92-38=54 Exploring Operation: 92-56=36, Resulting Numbers: [38, 36] Generated Node #0,4,2: 98:[38, 36] Operation: 92-56=36 Exploring Operation: 56-38=18, Resulting Numbers: [92, 18] Generated Node #0,4,3: 98:[92, 18] Operation: 56-38=18 Exploring Operation: 38+56=94, Resulting Numbers: [92, 94] Generated Node #0,4,4: 98:[92, 94] Operation: 38+56=94 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 98:[92, 18], Operations: ['93-37=56', '56-38=18'] Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,98 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 98:[92, 94], Operations: ['93-37=56', '38+56=94'] Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 92+94=186, Resulting Numbers: [186] 186,98 unequal: No Solution Exploring Operation: 92*94=8648, Resulting Numbers: [8648] 8648,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 98:[56, 54], Operations: ['93-37=56', '92-38=54'] Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,98 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 98:[38, 36], Operations: ['93-37=56', '92-56=36'] Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 98:[56, 130], Operations: ['93-37=56', '38+92=130'] Exploring Operation: 130-56=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 56*130=7280, Resulting Numbers: [7280] 7280,98 unequal: No Solution Exploring Operation: 56+130=186, Resulting Numbers: [186] 186,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 76, 39, 28, 64 ]
44
[ "76+64=140", "140/28=5", "39+5=44" ]
Current State: 44:[76, 39, 28, 64], Operations: [] Exploring Operation: 76+64=140, Resulting Numbers: [39, 28, 140] Generated Node #2: [39, 28, 140] from Operation: 76+64=140 Current State: 44:[39, 28, 140], Operations: ['76+64=140'] Exploring Operation: 140/28=5, Resulting Numbers: [39, 5] Generated Node #3: [39, 5] from Operation: 140/28=5 Current State: 44:[39, 5], Operations: ['76+64=140', '140/28=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[76, 39, 28, 64], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [39, 28, 12] Generated Node #0,0: 44:[39, 28, 12] Operation: 76-64=12 Exploring Operation: 76-28=48, Resulting Numbers: [39, 64, 48] Generated Node #0,1: 44:[39, 64, 48] Operation: 76-28=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[39, 28, 12], Operations: ['76-64=12'] Exploring Operation: 39-28=11, Resulting Numbers: [12, 11] Generated Node #0,0,0: 44:[12, 11] Operation: 39-28=11 Exploring Operation: 28+12=40, Resulting Numbers: [39, 40] Generated Node #0,0,1: 44:[39, 40] Operation: 28+12=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[12, 11], Operations: ['76-64=12', '39-28=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,44 unequal: No Solution No 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: 44:[39, 40], Operations: ['76-64=12', '28+12=40'] Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,44 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,44 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: 44:[39, 64, 48], Operations: ['76-28=48'] Exploring Operation: 64-39=25, Resulting Numbers: [48, 25] Generated Node #0,1,0: 44:[48, 25] Operation: 64-39=25 Exploring Operation: 64-48=16, Resulting Numbers: [39, 16] Generated Node #0,1,1: 44:[39, 16] Operation: 64-48=16 Moving to Node #0,1,0 Current State: 44:[48, 25], Operations: ['76-28=48', '64-39=25'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 48+25=73, Resulting Numbers: [73] 73,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[39, 16], Operations: ['76-28=48', '64-48=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,44 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,44 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
[ 25, 26, 97, 99 ]
38
[ "99-97=2", "26/2=13", "25+13=38" ]
Current State: 38:[25, 26, 97, 99], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [25, 26, 2] Generated Node #2: [25, 26, 2] from Operation: 99-97=2 Current State: 38:[25, 26, 2], Operations: ['99-97=2'] Exploring Operation: 26/2=13, Resulting Numbers: [25, 13] Generated Node #3: [25, 13] from Operation: 26/2=13 Current State: 38:[25, 13], Operations: ['99-97=2', '26/2=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[25, 26, 97, 99], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [25, 26, 2] Generated Node #0,0: 38:[25, 26, 2] Operation: 99-97=2 Exploring Operation: 99-26=73, Resulting Numbers: [25, 97, 73] Generated Node #0,1: 38:[25, 97, 73] Operation: 99-26=73 Exploring Operation: 97-26=71, Resulting Numbers: [25, 99, 71] Generated Node #0,2: 38:[25, 99, 71] Operation: 97-26=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[25, 26, 2], Operations: ['99-97=2'] Exploring Operation: 25-2=23, Resulting Numbers: [26, 23] Generated Node #0,0,0: 38:[26, 23] Operation: 25-2=23 Exploring Operation: 26-25=1, Resulting Numbers: [2, 1] Generated Node #0,0,1: 38:[2, 1] Operation: 26-25=1 Exploring Operation: 26-2=24, Resulting Numbers: [25, 24] Generated Node #0,0,2: 38:[25, 24] Operation: 26-2=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[2, 1], Operations: ['99-97=2', '26-25=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,38 unequal: No Solution No 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: 38:[26, 23], Operations: ['99-97=2', '25-2=23'] Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,38 unequal: No Solution No 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: 38:[25, 24], Operations: ['99-97=2', '26-2=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,38 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,38 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: 38:[25, 97, 73], Operations: ['99-26=73'] Exploring Operation: 97-25=72, Resulting Numbers: [73, 72] Generated Node #0,1,0: 38:[73, 72] Operation: 97-25=72 Exploring Operation: 97-73=24, Resulting Numbers: [25, 24] Generated Node #0,1,1: 38:[25, 24] Operation: 97-73=24 Exploring Operation: 73-25=48, Resulting Numbers: [97, 48] Generated Node #0,1,2: 38:[97, 48] Operation: 73-25=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[25, 24], Operations: ['99-26=73', '97-73=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,38 unequal: No Solution No 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: 38:[73, 72], Operations: ['99-26=73', '97-25=72'] Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,38 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,38 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,38 unequal: No Solution No 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: 38:[97, 48], Operations: ['99-26=73', '73-25=48'] Exploring Operation: 97+48=145, Resulting Numbers: [145] 145,38 unequal: No Solution Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 97*48=4656, Resulting Numbers: [4656] 4656,38 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: 38:[25, 99, 71], Operations: ['97-26=71'] Exploring Operation: 71-25=46, Resulting Numbers: [99, 46] Generated Node #0,2,0: 38:[99, 46] Operation: 71-25=46 Exploring Operation: 99-25=74, Resulting Numbers: [71, 74] Generated Node #0,2,1: 38:[71, 74] Operation: 99-25=74 Exploring Operation: 99-71=28, Resulting Numbers: [25, 28] Generated Node #0,2,2: 38:[25, 28] Operation: 99-71=28 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[25, 28], Operations: ['97-26=71', '99-71=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 25*28=700, Resulting Numbers: [700] 700,38 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,38 unequal: No Solution No 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: 38:[99, 46], Operations: ['97-26=71', '71-25=46'] Exploring Operation: 99*46=4554, Resulting Numbers: [4554] 4554,38 unequal: No Solution Exploring Operation: 99+46=145, Resulting Numbers: [145] 145,38 unequal: No Solution Exploring Operation: 99-46=53, Resulting Numbers: [53] 53,38 unequal: No Solution No 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: 38:[71, 74], Operations: ['97-26=71', '99-25=74'] Exploring Operation: 71*74=5254, Resulting Numbers: [5254] 5254,38 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 71+74=145, Resulting Numbers: [145] 145,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 51, 23, 58, 33 ]
49
[ "51+23=74", "58-33=25", "74-25=49" ]
Current State: 49:[51, 23, 58, 33], Operations: [] Exploring Operation: 51+23=74, Resulting Numbers: [58, 33, 74] Generated Node #2: [58, 33, 74] from Operation: 51+23=74 Current State: 49:[58, 33, 74], Operations: ['51+23=74'] Exploring Operation: 58-33=25, Resulting Numbers: [74, 25] Generated Node #3: [74, 25] from Operation: 58-33=25 Current State: 49:[74, 25], Operations: ['51+23=74', '58-33=25'] Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[51, 23, 58, 33], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [23, 33, 7] Generated Node #0,0: 49:[23, 33, 7] Operation: 58-51=7 Exploring Operation: 23+33=56, Resulting Numbers: [51, 58, 56] Generated Node #0,1: 49:[51, 58, 56] Operation: 23+33=56 Exploring Operation: 33-23=10, Resulting Numbers: [51, 58, 10] Generated Node #0,2: 49:[51, 58, 10] Operation: 33-23=10 Exploring Operation: 51-33=18, Resulting Numbers: [23, 58, 18] Generated Node #0,3: 49:[23, 58, 18] Operation: 51-33=18 Exploring Operation: 58-23=35, Resulting Numbers: [51, 33, 35] Generated Node #0,4: 49:[51, 33, 35] Operation: 58-23=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[51, 58, 10], Operations: ['33-23=10'] Exploring Operation: 51+10=61, Resulting Numbers: [58, 61] Generated Node #0,2,0: 49:[58, 61] Operation: 51+10=61 Exploring Operation: 58-51=7, Resulting Numbers: [10, 7] Generated Node #0,2,1: 49:[10, 7] Operation: 58-51=7 Exploring Operation: 58+10=68, Resulting Numbers: [51, 68] Generated Node #0,2,2: 49:[51, 68] Operation: 58+10=68 Exploring Operation: 58-10=48, Resulting Numbers: [51, 48] Generated Node #0,2,3: 49:[51, 48] Operation: 58-10=48 Exploring Operation: 51-10=41, Resulting Numbers: [58, 41] Generated Node #0,2,4: 49:[58, 41] Operation: 51-10=41 Moving to Node #0,2,1 Current State: 49:[10, 7], Operations: ['33-23=10', '58-51=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[51, 48], Operations: ['33-23=10', '58-10=48'] Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,49 unequal: No Solution Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[58, 41], Operations: ['33-23=10', '51-10=41'] Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,49 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[58, 61], Operations: ['33-23=10', '51+10=61'] Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 58*61=3538, Resulting Numbers: [3538] 3538,49 unequal: No Solution Exploring Operation: 58+61=119, Resulting Numbers: [119] 119,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[51, 68], Operations: ['33-23=10', '58+10=68'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,49 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,49 unequal: No Solution No 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: 49:[51, 58, 56], Operations: ['23+33=56'] Exploring Operation: 51+58=109, Resulting Numbers: [56, 109] Generated Node #0,1,0: 49:[56, 109] Operation: 51+58=109 Exploring Operation: 56-51=5, Resulting Numbers: [58, 5] Generated Node #0,1,1: 49:[58, 5] Operation: 56-51=5 Exploring Operation: 58-56=2, Resulting Numbers: [51, 2] Generated Node #0,1,2: 49:[51, 2] Operation: 58-56=2 Exploring Operation: 58-51=7, Resulting Numbers: [56, 7] Generated Node #0,1,3: 49:[56, 7] Operation: 58-51=7 Exploring Operation: 51+56=107, Resulting Numbers: [58, 107] Generated Node #0,1,4: 49:[58, 107] Operation: 51+56=107 Moving to Node #0,1,2 Current State: 49:[51, 2], Operations: ['23+33=56', '58-56=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[51, 23, 58, 33], Operations: [] Exploring Operation: 23+33=56, Resulting Numbers: [51, 58, 56] Generated Node #0,1: 49:[51, 58, 56] Operation: 23+33=56 Moving to Node #0,1 Current State: 49:[51, 58, 56], Operations: ['23+33=56'] Exploring Operation: 58-56=2, Resulting Numbers: [51, 2] Generated Node #0,1,2: 49:[51, 2] Operation: 58-56=2 Moving to Node #0,1,2 Current State: 49:[51, 2], Operations: ['23+33=56', '58-56=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 82, 15, 21, 18 ]
77
[ "21-18=3", "15/3=5", "82-5=77" ]
Current State: 77:[82, 15, 21, 18], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [82, 15, 3] Generated Node #2: [82, 15, 3] from Operation: 21-18=3 Current State: 77:[82, 15, 3], Operations: ['21-18=3'] Exploring Operation: 15/3=5, Resulting Numbers: [82, 5] Generated Node #3: [82, 5] from Operation: 15/3=5 Current State: 77:[82, 5], Operations: ['21-18=3', '15/3=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[82, 15, 21, 18], Operations: [] Exploring Operation: 21-15=6, Resulting Numbers: [82, 18, 6] Generated Node #0,0: 77:[82, 18, 6] Operation: 21-15=6 Exploring Operation: 82-15=67, Resulting Numbers: [21, 18, 67] Generated Node #0,1: 77:[21, 18, 67] Operation: 82-15=67 Exploring Operation: 18-15=3, Resulting Numbers: [82, 21, 3] Generated Node #0,2: 77:[82, 21, 3] Operation: 18-15=3 Exploring Operation: 21-18=3, Resulting Numbers: [82, 15, 3] Generated Node #0,3: 77:[82, 15, 3] Operation: 21-18=3 Moving to Node #0,0 Current State: 77:[82, 18, 6], Operations: ['21-15=6'] Exploring Operation: 18/6=3, Resulting Numbers: [82, 3] Generated Node #0,0,0: 77:[82, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [82, 12] Generated Node #0,0,1: 77:[82, 12] Operation: 18-6=12 Exploring Operation: 82-18=64, Resulting Numbers: [6, 64] Generated Node #0,0,2: 77:[6, 64] Operation: 82-18=64 Exploring Operation: 82-6=76, Resulting Numbers: [18, 76] Generated Node #0,0,3: 77:[18, 76] Operation: 82-6=76 Moving to Node #0,3 Current State: 77:[82, 15, 3], Operations: ['21-18=3'] Exploring Operation: 15/3=5, Resulting Numbers: [82, 5] Generated Node #0,3,0: 77:[82, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [82, 12] Generated Node #0,3,1: 77:[82, 12] Operation: 15-3=12 Exploring Operation: 82-3=79, Resulting Numbers: [15, 79] Generated Node #0,3,2: 77:[15, 79] Operation: 82-3=79 Exploring Operation: 82+3=85, Resulting Numbers: [15, 85] Generated Node #0,3,3: 77:[15, 85] Operation: 82+3=85 Moving to Node #0,2 Current State: 77:[82, 21, 3], Operations: ['18-15=3'] Exploring Operation: 82-3=79, Resulting Numbers: [21, 79] Generated Node #0,2,0: 77:[21, 79] Operation: 82-3=79 Exploring Operation: 21/3=7, Resulting Numbers: [82, 7] Generated Node #0,2,1: 77:[82, 7] Operation: 21/3=7 Exploring Operation: 21-3=18, Resulting Numbers: [82, 18] Generated Node #0,2,2: 77:[82, 18] Operation: 21-3=18 Exploring Operation: 82+3=85, Resulting Numbers: [21, 85] Generated Node #0,2,3: 77:[21, 85] Operation: 82+3=85 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[82, 7], Operations: ['18-15=3', '21/3=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,77 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,77 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 #0,2,0 Current State: 77:[21, 79], Operations: ['18-15=3', '82-3=79'] Exploring Operation: 21+79=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 21*79=1659, Resulting Numbers: [1659] 1659,77 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 #0,2,2 Current State: 77:[82, 18], Operations: ['18-15=3', '21-3=18'] Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 82+18=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 82*18=1476, Resulting Numbers: [1476] 1476,77 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 #0,2,3 Current State: 77:[21, 85], Operations: ['18-15=3', '82+3=85'] Exploring Operation: 21*85=1785, Resulting Numbers: [1785] 1785,77 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,77 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: 77:[21, 18, 67], Operations: ['82-15=67'] Exploring Operation: 21+18=39, Resulting Numbers: [67, 39] Generated Node #0,1,0: 77:[67, 39] Operation: 21+18=39 Exploring Operation: 21+67=88, Resulting Numbers: [18, 88] Generated Node #0,1,1: 77:[18, 88] Operation: 21+67=88 Exploring Operation: 18+67=85, Resulting Numbers: [21, 85] Generated Node #0,1,2: 77:[21, 85] Operation: 18+67=85 Exploring Operation: 21-18=3, Resulting Numbers: [67, 3] Generated Node #0,1,3: 77:[67, 3] Operation: 21-18=3 Moving to Node #0,0,1 Current State: 77:[82, 12], Operations: ['21-15=6', '18-6=12'] Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,77 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,77 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[15, 79], Operations: ['21-18=3', '82-3=79'] Exploring Operation: 15*79=1185, Resulting Numbers: [1185] 1185,77 unequal: No Solution Exploring Operation: 15+79=94, Resulting Numbers: [94] 94,77 unequal: No Solution Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[82, 12], Operations: ['21-18=3', '15-3=12'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,77 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[82, 5], Operations: ['21-18=3', '15/3=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,77 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[82, 15, 21, 18], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [82, 15, 3] Generated Node #0,3: 77:[82, 15, 3] Operation: 21-18=3 Moving to Node #0,3 Current State: 77:[82, 15, 3], Operations: ['21-18=3'] Exploring Operation: 15/3=5, Resulting Numbers: [82, 5] Generated Node #0,3,0: 77:[82, 5] Operation: 15/3=5 Moving to Node #0,3,0 Current State: 77:[82, 5], Operations: ['21-18=3', '15/3=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.958333
hs_4
sum_heuristic
[ 73, 39, 56, 39 ]
16
[ "73-56=17", "39/39=1", "17-1=16" ]
Current State: 16:[73, 39, 56, 39], Operations: [] Exploring Operation: 73-56=17, Resulting Numbers: [39, 39, 17] Generated Node #2: [39, 39, 17] from Operation: 73-56=17 Current State: 16:[39, 39, 17], Operations: ['73-56=17'] Exploring Operation: 39/39=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 39/39=1 Current State: 16:[17, 1], Operations: ['73-56=17', '39/39=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[73, 39, 56, 39], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [56, 39, 34] Generated Node #0,0: 16:[56, 39, 34] Operation: 73-39=34 Exploring Operation: 73-56=17, Resulting Numbers: [39, 39, 17] Generated Node #0,1: 16:[39, 39, 17] Operation: 73-56=17 Exploring Operation: 73-39=34, Resulting Numbers: [39, 56, 34] Generated Node #0,2: 16:[39, 56, 34] Operation: 73-39=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[39, 39, 17], Operations: ['73-56=17'] Exploring Operation: 39/39=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 16:[17, 1] Operation: 39/39=1 Exploring Operation: 39-17=22, Resulting Numbers: [39, 22] Generated Node #0,1,1: 16:[39, 22] Operation: 39-17=22 Exploring Operation: 39-39=0, Resulting Numbers: [17, 0] Generated Node #0,1,2: 16:[17, 0] Operation: 39-39=0 Moving to Node #0,1,0 Current State: 16:[17, 1], Operations: ['73-56=17', '39/39=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17/1=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:[73, 39, 56, 39], Operations: [] Exploring Operation: 73-56=17, Resulting Numbers: [39, 39, 17] Generated Node #0,1: 16:[39, 39, 17] Operation: 73-56=17 Moving to Node #0,1 Current State: 16:[39, 39, 17], Operations: ['73-56=17'] Exploring Operation: 39/39=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 16:[17, 1] Operation: 39/39=1 Moving to Node #0,1,0 Current State: 16:[17, 1], Operations: ['73-56=17', '39/39=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 42, 55, 27, 58 ]
12
[ "42+55=97", "27+58=85", "97-85=12" ]
Current State: 12:[42, 55, 27, 58], Operations: [] Exploring Operation: 42+55=97, Resulting Numbers: [27, 58, 97] Generated Node #2: [27, 58, 97] from Operation: 42+55=97 Current State: 12:[27, 58, 97], Operations: ['42+55=97'] Exploring Operation: 27+58=85, Resulting Numbers: [97, 85] Generated Node #3: [97, 85] from Operation: 27+58=85 Current State: 12:[97, 85], Operations: ['42+55=97', '27+58=85'] Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[42, 55, 27, 58], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [42, 27, 3] Generated Node #0,0: 12:[42, 27, 3] Operation: 58-55=3 Exploring Operation: 58-42=16, Resulting Numbers: [55, 27, 16] Generated Node #0,1: 12:[55, 27, 16] Operation: 58-42=16 Exploring Operation: 55-42=13, Resulting Numbers: [27, 58, 13] Generated Node #0,2: 12:[27, 58, 13] Operation: 55-42=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[42, 27, 3], Operations: ['58-55=3'] Exploring Operation: 42-27=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 12:[3, 15] Operation: 42-27=15 Exploring Operation: 27/3=9, Resulting Numbers: [42, 9] Generated Node #0,0,1: 12:[42, 9] Operation: 27/3=9 Exploring Operation: 42/3=14, Resulting Numbers: [27, 14] Generated Node #0,0,2: 12:[27, 14] Operation: 42/3=14 Moving to Node #0,0,0 Current State: 12:[3, 15], Operations: ['58-55=3', '42-27=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[42, 55, 27, 58], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [42, 27, 3] Generated Node #0,0: 12:[42, 27, 3] Operation: 58-55=3 Moving to Node #0,0 Current State: 12:[42, 27, 3], Operations: ['58-55=3'] Exploring Operation: 42-27=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 12:[3, 15] Operation: 42-27=15 Moving to Node #0,0,0 Current State: 12:[3, 15], Operations: ['58-55=3', '42-27=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 28, 22, 12, 91 ]
93
[ "28-22=6", "12/6=2", "91+2=93" ]
Current State: 93:[28, 22, 12, 91], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [12, 91, 6] Generated Node #2: [12, 91, 6] from Operation: 28-22=6 Current State: 93:[12, 91, 6], Operations: ['28-22=6'] Exploring Operation: 12/6=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 12/6=2 Current State: 93:[91, 2], Operations: ['28-22=6', '12/6=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[28, 22, 12, 91], Operations: [] Exploring Operation: 22+12=34, Resulting Numbers: [28, 91, 34] Generated Node #0,0: 93:[28, 91, 34] Operation: 22+12=34 Exploring Operation: 12+91=103, Resulting Numbers: [28, 22, 103] Generated Node #0,1: 93:[28, 22, 103] Operation: 12+91=103 Exploring Operation: 22-12=10, Resulting Numbers: [28, 91, 10] Generated Node #0,2: 93:[28, 91, 10] Operation: 22-12=10 Exploring Operation: 28-22=6, Resulting Numbers: [12, 91, 6] Generated Node #0,3: 93:[12, 91, 6] Operation: 28-22=6 Exploring Operation: 28+12=40, Resulting Numbers: [22, 91, 40] Generated Node #0,4: 93:[22, 91, 40] Operation: 28+12=40 Moving to Node #0,0 Current State: 93:[28, 91, 34], Operations: ['22+12=34'] Exploring Operation: 28+34=62, Resulting Numbers: [91, 62] Generated Node #0,0,0: 93:[91, 62] Operation: 28+34=62 Exploring Operation: 28+91=119, Resulting Numbers: [34, 119] Generated Node #0,0,1: 93:[34, 119] Operation: 28+91=119 Exploring Operation: 34-28=6, Resulting Numbers: [91, 6] Generated Node #0,0,2: 93:[91, 6] Operation: 34-28=6 Exploring Operation: 91-28=63, Resulting Numbers: [34, 63] Generated Node #0,0,3: 93:[34, 63] Operation: 91-28=63 Exploring Operation: 91-34=57, Resulting Numbers: [28, 57] Generated Node #0,0,4: 93:[28, 57] Operation: 91-34=57 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[91, 6], Operations: ['22+12=34', '34-28=6'] Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,93 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,93 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:[34, 119], Operations: ['22+12=34', '28+91=119'] Exploring Operation: 34+119=153, Resulting Numbers: [153] 153,93 unequal: No Solution Exploring Operation: 119-34=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 34*119=4046, Resulting Numbers: [4046] 4046,93 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 #0,0,4 Current State: 93:[28, 57], Operations: ['22+12=34', '91-34=57'] Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,93 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,93 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:[91, 62], Operations: ['22+12=34', '28+34=62'] Exploring Operation: 91*62=5642, Resulting Numbers: [5642] 5642,93 unequal: No Solution Exploring Operation: 91+62=153, Resulting Numbers: [153] 153,93 unequal: No Solution Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,93 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 #0,0,3 Current State: 93:[34, 63], Operations: ['22+12=34', '91-28=63'] Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,93 unequal: No Solution Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,93 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:[28, 91, 10], Operations: ['22-12=10'] Exploring Operation: 91+10=101, Resulting Numbers: [28, 101] Generated Node #0,2,0: 93:[28, 101] Operation: 91+10=101 Exploring Operation: 28+10=38, Resulting Numbers: [91, 38] Generated Node #0,2,1: 93:[91, 38] Operation: 28+10=38 Exploring Operation: 28-10=18, Resulting Numbers: [91, 18] Generated Node #0,2,2: 93:[91, 18] Operation: 28-10=18 Exploring Operation: 28+91=119, Resulting Numbers: [10, 119] Generated Node #0,2,3: 93:[10, 119] Operation: 28+91=119 Exploring Operation: 91-10=81, Resulting Numbers: [28, 81] Generated Node #0,2,4: 93:[28, 81] Operation: 91-10=81 Moving to Node #0,3 Current State: 93:[12, 91, 6], Operations: ['28-22=6'] Exploring Operation: 91+6=97, Resulting Numbers: [12, 97] Generated Node #0,3,0: 93:[12, 97] Operation: 91+6=97 Exploring Operation: 12/6=2, Resulting Numbers: [91, 2] Generated Node #0,3,1: 93:[91, 2] Operation: 12/6=2 Exploring Operation: 12+6=18, Resulting Numbers: [91, 18] Generated Node #0,3,2: 93:[91, 18] Operation: 12+6=18 Exploring Operation: 12-6=6, Resulting Numbers: [91, 6] Generated Node #0,3,3: 93:[91, 6] Operation: 12-6=6 Exploring Operation: 12+91=103, Resulting Numbers: [6, 103] Generated Node #0,3,4: 93:[6, 103] Operation: 12+91=103 Moving to Node #0,4 Current State: 93:[22, 91, 40], Operations: ['28+12=40'] Exploring Operation: 40-22=18, Resulting Numbers: [91, 18] Generated Node #0,4,0: 93:[91, 18] Operation: 40-22=18 Exploring Operation: 91-22=69, Resulting Numbers: [40, 69] Generated Node #0,4,1: 93:[40, 69] Operation: 91-22=69 Exploring Operation: 91-40=51, Resulting Numbers: [22, 51] Generated Node #0,4,2: 93:[22, 51] Operation: 91-40=51 Exploring Operation: 22+91=113, Resulting Numbers: [40, 113] Generated Node #0,4,3: 93:[40, 113] Operation: 22+91=113 Exploring Operation: 22+40=62, Resulting Numbers: [91, 62] Generated Node #0,4,4: 93:[91, 62] Operation: 22+40=62 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 93:[91, 18], Operations: ['28+12=40', '40-22=18'] Exploring Operation: 91+18=109, Resulting Numbers: [109] 109,93 unequal: No Solution Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 91*18=1638, Resulting Numbers: [1638] 1638,93 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 #0,4,2 Current State: 93:[22, 51], Operations: ['28+12=40', '91-40=51'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 22+51=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 22*51=1122, Resulting Numbers: [1122] 1122,93 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 #0,4,3 Current State: 93:[40, 113], Operations: ['28+12=40', '22+91=113'] Exploring Operation: 40*113=4520, Resulting Numbers: [4520] 4520,93 unequal: No Solution Exploring Operation: 113-40=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 40+113=153, Resulting Numbers: [153] 153,93 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 #0,4,1 Current State: 93:[40, 69], Operations: ['28+12=40', '91-22=69'] Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 40*69=2760, Resulting Numbers: [2760] 2760,93 unequal: No Solution Exploring Operation: 40+69=109, Resulting Numbers: [109] 109,93 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 #0,4,4 Current State: 93:[91, 62], Operations: ['28+12=40', '22+40=62'] Exploring Operation: 91+62=153, Resulting Numbers: [153] 153,93 unequal: No Solution Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 91*62=5642, Resulting Numbers: [5642] 5642,93 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: 93:[28, 22, 103], Operations: ['12+91=103'] Exploring Operation: 22+103=125, Resulting Numbers: [28, 125] Generated Node #0,1,0: 93:[28, 125] Operation: 22+103=125 Exploring Operation: 103-22=81, Resulting Numbers: [28, 81] Generated Node #0,1,1: 93:[28, 81] Operation: 103-22=81 Exploring Operation: 28+22=50, Resulting Numbers: [103, 50] Generated Node #0,1,2: 93:[103, 50] Operation: 28+22=50 Exploring Operation: 28-22=6, Resulting Numbers: [103, 6] Generated Node #0,1,3: 93:[103, 6] Operation: 28-22=6 Exploring Operation: 103-28=75, Resulting Numbers: [22, 75] Generated Node #0,1,4: 93:[22, 75] Operation: 103-28=75 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 93:[103, 6], Operations: ['12+91=103', '28-22=6'] Exploring Operation: 103-6=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 103+6=109, Resulting Numbers: [109] 109,93 unequal: No Solution Exploring Operation: 103*6=618, Resulting Numbers: [618] 618,93 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:[28, 81], Operations: ['12+91=103', '103-22=81'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 28*81=2268, Resulting Numbers: [2268] 2268,93 unequal: No Solution Exploring Operation: 28+81=109, Resulting Numbers: [109] 109,93 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 #0,1,4 Current State: 93:[22, 75], Operations: ['12+91=103', '103-28=75'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 22*75=1650, Resulting Numbers: [1650] 1650,93 unequal: No Solution Exploring Operation: 22+75=97, Resulting Numbers: [97] 97,93 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:[103, 50], Operations: ['12+91=103', '28+22=50'] Exploring Operation: 103+50=153, Resulting Numbers: [153] 153,93 unequal: No Solution Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 103*50=5150, Resulting Numbers: [5150] 5150,93 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 #0,1,0 Current State: 93:[28, 125], Operations: ['12+91=103', '22+103=125'] Exploring Operation: 28*125=3500, Resulting Numbers: [3500] 3500,93 unequal: No Solution Exploring Operation: 28+125=153, Resulting Numbers: [153] 153,93 unequal: No Solution Exploring Operation: 125-28=97, Resulting Numbers: [97] 97,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 93:[91, 2], Operations: ['28-22=6', '12/6=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[28, 22, 12, 91], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [12, 91, 6] Generated Node #0,3: 93:[12, 91, 6] Operation: 28-22=6 Moving to Node #0,3 Current State: 93:[12, 91, 6], Operations: ['28-22=6'] Exploring Operation: 12/6=2, Resulting Numbers: [91, 2] Generated Node #0,3,1: 93:[91, 2] Operation: 12/6=2 Moving to Node #0,3,1 Current State: 93:[91, 2], Operations: ['28-22=6', '12/6=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.928819
hs_5
mult_heuristic
[ 32, 70, 82, 47 ]
64
[ "32*70=2240", "82-47=35", "2240/35=64" ]
Current State: 64:[32, 70, 82, 47], Operations: [] Exploring Operation: 32*70=2240, Resulting Numbers: [82, 47, 2240] Generated Node #2: [82, 47, 2240] from Operation: 32*70=2240 Current State: 64:[82, 47, 2240], Operations: ['32*70=2240'] Exploring Operation: 82-47=35, Resulting Numbers: [2240, 35] Generated Node #3: [2240, 35] from Operation: 82-47=35 Current State: 64:[2240, 35], Operations: ['32*70=2240', '82-47=35'] Exploring Operation: 2240/35=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[32, 70, 82, 47], Operations: [] Exploring Operation: 47-32=15, Resulting Numbers: [70, 82, 15] Generated Node #0,0: 64:[70, 82, 15] Operation: 47-32=15 Exploring Operation: 70-47=23, Resulting Numbers: [32, 82, 23] Generated Node #0,1: 64:[32, 82, 23] Operation: 70-47=23 Exploring Operation: 82-70=12, Resulting Numbers: [32, 47, 12] Generated Node #0,2: 64:[32, 47, 12] Operation: 82-70=12 Exploring Operation: 82-47=35, Resulting Numbers: [32, 70, 35] Generated Node #0,3: 64:[32, 70, 35] Operation: 82-47=35 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[32, 70, 35], Operations: ['82-47=35'] Exploring Operation: 35-32=3, Resulting Numbers: [70, 3] Generated Node #0,3,0: 64:[70, 3] Operation: 35-32=3 Exploring Operation: 70/35=2, Resulting Numbers: [32, 2] Generated Node #0,3,1: 64:[32, 2] Operation: 70/35=2 Exploring Operation: 70-32=38, Resulting Numbers: [35, 38] Generated Node #0,3,2: 64:[35, 38] Operation: 70-32=38 Exploring Operation: 70-35=35, Resulting Numbers: [32, 35] Generated Node #0,3,3: 64:[32, 35] Operation: 70-35=35 Moving to Node #0,3,1 Current State: 64:[32, 2], Operations: ['82-47=35', '70/35=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[32, 70, 82, 47], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [32, 70, 35] Generated Node #0,3: 64:[32, 70, 35] Operation: 82-47=35 Moving to Node #0,3 Current State: 64:[32, 70, 35], Operations: ['82-47=35'] Exploring Operation: 70/35=2, Resulting Numbers: [32, 2] Generated Node #0,3,1: 64:[32, 2] Operation: 70/35=2 Moving to Node #0,3,1 Current State: 64:[32, 2], Operations: ['82-47=35', '70/35=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 88, 81, 15, 65 ]
39
[ "88+81=169", "15*169=2535", "2535/65=39" ]
Current State: 39:[88, 81, 15, 65], Operations: [] Exploring Operation: 88+81=169, Resulting Numbers: [15, 65, 169] Generated Node #2: [15, 65, 169] from Operation: 88+81=169 Current State: 39:[15, 65, 169], Operations: ['88+81=169'] Exploring Operation: 15*169=2535, Resulting Numbers: [65, 2535] Generated Node #3: [65, 2535] from Operation: 15*169=2535 Current State: 39:[65, 2535], Operations: ['88+81=169', '15*169=2535'] Exploring Operation: 2535/65=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[88, 81, 15, 65], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [88, 15, 16] Generated Node #0,0: 39:[88, 15, 16] Operation: 81-65=16 Exploring Operation: 88-65=23, Resulting Numbers: [81, 15, 23] Generated Node #0,1: 39:[81, 15, 23] Operation: 88-65=23 Exploring Operation: 88-15=73, Resulting Numbers: [81, 65, 73] Generated Node #0,2: 39:[81, 65, 73] Operation: 88-15=73 Exploring Operation: 81-15=66, Resulting Numbers: [88, 65, 66] Generated Node #0,3: 39:[88, 65, 66] Operation: 81-15=66 Exploring Operation: 88-81=7, Resulting Numbers: [15, 65, 7] Generated Node #0,4: 39:[15, 65, 7] Operation: 88-81=7 Start Sub Search at level 1: Moving to Node #0,4 Current State: 39:[15, 65, 7], Operations: ['88-81=7'] Exploring Operation: 65+7=72, Resulting Numbers: [15, 72] Generated Node #0,4,0: 39:[15, 72] Operation: 65+7=72 Exploring Operation: 65-7=58, Resulting Numbers: [15, 58] Generated Node #0,4,1: 39:[15, 58] Operation: 65-7=58 Exploring Operation: 15-7=8, Resulting Numbers: [65, 8] Generated Node #0,4,2: 39:[65, 8] Operation: 15-7=8 Exploring Operation: 15+7=22, Resulting Numbers: [65, 22] Generated Node #0,4,3: 39:[65, 22] Operation: 15+7=22 Exploring Operation: 65-15=50, Resulting Numbers: [7, 50] Generated Node #0,4,4: 39:[7, 50] Operation: 65-15=50 Moving to Node #0,4,4 Current State: 39:[7, 50], Operations: ['88-81=7', '65-15=50'] Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,39 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[15, 58], Operations: ['88-81=7', '65-7=58'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,39 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[65, 8], Operations: ['88-81=7', '15-7=8'] Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,39 unequal: No Solution Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[15, 72], Operations: ['88-81=7', '65+7=72'] Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,39 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[65, 22], Operations: ['88-81=7', '15+7=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,39 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[88, 15, 16], Operations: ['81-65=16'] Exploring Operation: 88-15=73, Resulting Numbers: [16, 73] Generated Node #0,0,0: 39:[16, 73] Operation: 88-15=73 Exploring Operation: 15+16=31, Resulting Numbers: [88, 31] Generated Node #0,0,1: 39:[88, 31] Operation: 15+16=31 Exploring Operation: 16-15=1, Resulting Numbers: [88, 1] Generated Node #0,0,2: 39:[88, 1] Operation: 16-15=1 Exploring Operation: 88+15=103, Resulting Numbers: [16, 103] Generated Node #0,0,3: 39:[16, 103] Operation: 88+15=103 Exploring Operation: 88-16=72, Resulting Numbers: [15, 72] Generated Node #0,0,4: 39:[15, 72] Operation: 88-16=72 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 39:[15, 72], Operations: ['81-65=16', '88-16=72'] Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[16, 73], Operations: ['81-65=16', '88-15=73'] Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 16*73=1168, Resulting Numbers: [1168] 1168,39 unequal: No Solution Exploring Operation: 16+73=89, Resulting Numbers: [89] 89,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[88, 1], Operations: ['81-65=16', '16-15=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[88, 31], Operations: ['81-65=16', '15+16=31'] Exploring Operation: 88+31=119, Resulting Numbers: [119] 119,39 unequal: No Solution Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 88*31=2728, Resulting Numbers: [2728] 2728,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[16, 103], Operations: ['81-65=16', '88+15=103'] Exploring Operation: 16*103=1648, Resulting Numbers: [1648] 1648,39 unequal: No Solution Exploring Operation: 103-16=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 16+103=119, Resulting Numbers: [119] 119,39 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 #0,1 Current State: 39:[81, 15, 23], Operations: ['88-65=23'] Exploring Operation: 15+23=38, Resulting Numbers: [81, 38] Generated Node #0,1,0: 39:[81, 38] Operation: 15+23=38 Exploring Operation: 81-23=58, Resulting Numbers: [15, 58] Generated Node #0,1,1: 39:[15, 58] Operation: 81-23=58 Exploring Operation: 23-15=8, Resulting Numbers: [81, 8] Generated Node #0,1,2: 39:[81, 8] Operation: 23-15=8 Exploring Operation: 81+15=96, Resulting Numbers: [23, 96] Generated Node #0,1,3: 39:[23, 96] Operation: 81+15=96 Exploring Operation: 81-15=66, Resulting Numbers: [23, 66] Generated Node #0,1,4: 39:[23, 66] Operation: 81-15=66 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[15, 58], Operations: ['88-65=23', '81-23=58'] Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,39 unequal: No Solution Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,39 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,39 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 #0,1,4 Current State: 39:[23, 66], Operations: ['88-65=23', '81-15=66'] Exploring Operation: 23+66=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 23*66=1518, Resulting Numbers: [1518] 1518,39 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:[81, 38], Operations: ['88-65=23', '15+23=38'] Exploring Operation: 81*38=3078, Resulting Numbers: [3078] 3078,39 unequal: No Solution Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 81+38=119, Resulting Numbers: [119] 119,39 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 #0,1,2 Current State: 39:[81, 8], Operations: ['88-65=23', '23-15=8'] Exploring Operation: 81*8=648, Resulting Numbers: [648] 648,39 unequal: No Solution Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,39 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 #0,1,3 Current State: 39:[23, 96], Operations: ['88-65=23', '81+15=96'] Exploring Operation: 23*96=2208, Resulting Numbers: [2208] 2208,39 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,39 unequal: No Solution Exploring Operation: 23+96=119, Resulting Numbers: [119] 119,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[81, 65, 73], Operations: ['88-15=73'] Exploring Operation: 81-65=16, Resulting Numbers: [73, 16] Generated Node #0,2,0: 39:[73, 16] Operation: 81-65=16 Exploring Operation: 81+65=146, Resulting Numbers: [73, 146] Generated Node #0,2,1: 39:[73, 146] Operation: 81+65=146 Exploring Operation: 81+73=154, Resulting Numbers: [65, 154] Generated Node #0,2,2: 39:[65, 154] Operation: 81+73=154 Exploring Operation: 73-65=8, Resulting Numbers: [81, 8] Generated Node #0,2,3: 39:[81, 8] Operation: 73-65=8 Exploring Operation: 81-73=8, Resulting Numbers: [65, 8] Generated Node #0,2,4: 39:[65, 8] Operation: 81-73=8 Moving to Node #0,2,4 Current State: 39:[65, 8], Operations: ['88-15=73', '81-73=8'] Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,39 unequal: No Solution Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[73, 16], Operations: ['88-15=73', '81-65=16'] Exploring Operation: 73*16=1168, Resulting Numbers: [1168] 1168,39 unequal: No Solution Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 73+16=89, Resulting Numbers: [89] 89,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[81, 8], Operations: ['88-15=73', '73-65=8'] Exploring Operation: 81*8=648, Resulting Numbers: [648] 648,39 unequal: No Solution Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[73, 146], Operations: ['88-15=73', '81+65=146'] Exploring Operation: 146/73=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 146-73=73, Resulting Numbers: [73] 73,39 unequal: No Solution Exploring Operation: 73*146=10658, Resulting Numbers: [10658] 10658,39 unequal: No Solution Exploring Operation: 73+146=219, Resulting Numbers: [219] 219,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[65, 154], Operations: ['88-15=73', '81+73=154'] Exploring Operation: 65*154=10010, Resulting Numbers: [10010] 10010,39 unequal: No Solution Exploring Operation: 65+154=219, Resulting Numbers: [219] 219,39 unequal: No Solution Exploring Operation: 154-65=89, Resulting Numbers: [89] 89,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[88, 65, 66], Operations: ['81-15=66'] Exploring Operation: 88-65=23, Resulting Numbers: [66, 23] Generated Node #0,3,0: 39:[66, 23] Operation: 88-65=23 Exploring Operation: 66-65=1, Resulting Numbers: [88, 1] Generated Node #0,3,1: 39:[88, 1] Operation: 66-65=1 Exploring Operation: 88-66=22, Resulting Numbers: [65, 22] Generated Node #0,3,2: 39:[65, 22] Operation: 88-66=22 Exploring Operation: 88+65=153, Resulting Numbers: [66, 153] Generated Node #0,3,3: 39:[66, 153] Operation: 88+65=153 Exploring Operation: 88+66=154, Resulting Numbers: [65, 154] Generated Node #0,3,4: 39:[65, 154] Operation: 88+66=154 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[65, 22], Operations: ['81-15=66', '88-66=22'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[66, 23], Operations: ['81-15=66', '88-65=23'] Exploring Operation: 66*23=1518, Resulting Numbers: [1518] 1518,39 unequal: No Solution Exploring Operation: 66+23=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[88, 1], Operations: ['81-15=66', '66-65=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[66, 153], Operations: ['81-15=66', '88+65=153'] Exploring Operation: 153-66=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 66*153=10098, Resulting Numbers: [10098] 10098,39 unequal: No Solution Exploring Operation: 66+153=219, Resulting Numbers: [219] 219,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 39:[65, 154], Operations: ['81-15=66', '88+66=154'] Exploring Operation: 65*154=10010, Resulting Numbers: [10010] 10010,39 unequal: No Solution Exploring Operation: 154-65=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 65+154=219, Resulting Numbers: [219] 219,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 8, 6, 68, 48 ]
44
[ "8-6=2", "48/2=24", "68-24=44" ]
Current State: 44:[8, 6, 68, 48], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [68, 48, 2] Generated Node #2: [68, 48, 2] from Operation: 8-6=2 Current State: 44:[68, 48, 2], Operations: ['8-6=2'] Exploring Operation: 48/2=24, Resulting Numbers: [68, 24] Generated Node #3: [68, 24] from Operation: 48/2=24 Current State: 44:[68, 24], Operations: ['8-6=2', '48/2=24'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[8, 6, 68, 48], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [6, 48, 60] Generated Node #0,0: 44:[6, 48, 60] Operation: 68-8=60 Exploring Operation: 68-48=20, Resulting Numbers: [8, 6, 20] Generated Node #0,1: 44:[8, 6, 20] Operation: 68-48=20 Exploring Operation: 68-6=62, Resulting Numbers: [8, 48, 62] Generated Node #0,2: 44:[8, 48, 62] Operation: 68-6=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[8, 6, 20], Operations: ['68-48=20'] Exploring Operation: 8-6=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 44:[20, 2] Operation: 8-6=2 Exploring Operation: 20-8=12, Resulting Numbers: [6, 12] Generated Node #0,1,1: 44:[6, 12] Operation: 20-8=12 Exploring Operation: 8+6=14, Resulting Numbers: [20, 14] Generated Node #0,1,2: 44:[20, 14] Operation: 8+6=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[20, 2], Operations: ['68-48=20', '8-6=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,44 unequal: No Solution No 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: 44:[6, 12], Operations: ['68-48=20', '20-8=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,44 unequal: No Solution No 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: 44:[20, 14], Operations: ['68-48=20', '8+6=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,44 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: 44:[6, 48, 60], Operations: ['68-8=60'] Exploring Operation: 60-6=54, Resulting Numbers: [48, 54] Generated Node #0,0,0: 44:[48, 54] Operation: 60-6=54 Exploring Operation: 60/6=10, Resulting Numbers: [48, 10] Generated Node #0,0,1: 44:[48, 10] Operation: 60/6=10 Exploring Operation: 60-48=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 44:[6, 12] Operation: 60-48=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 44:[6, 12], Operations: ['68-8=60', '60-48=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,44 unequal: No Solution No 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: 44:[48, 10], Operations: ['68-8=60', '60/6=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,44 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,44 unequal: No Solution No 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: 44:[48, 54], Operations: ['68-8=60', '60-6=54'] Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,44 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,44 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: 44:[8, 48, 62], Operations: ['68-6=62'] Exploring Operation: 48/8=6, Resulting Numbers: [62, 6] Generated Node #0,2,0: 44:[62, 6] Operation: 48/8=6 Exploring Operation: 62-48=14, Resulting Numbers: [8, 14] Generated Node #0,2,1: 44:[8, 14] Operation: 62-48=14 Exploring Operation: 62-8=54, Resulting Numbers: [48, 54] Generated Node #0,2,2: 44:[48, 54] Operation: 62-8=54 Moving to Node #0,2,1 Current State: 44:[8, 14], Operations: ['68-6=62', '62-48=14'] Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,44 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[48, 54], Operations: ['68-6=62', '62-8=54'] Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,44 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[62, 6], Operations: ['68-6=62', '48/8=6'] Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,44 unequal: No Solution Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,44 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
[ 80, 90, 75, 33 ]
16
[ "80*33=2640", "90+75=165", "2640/165=16" ]
Current State: 16:[80, 90, 75, 33], Operations: [] Exploring Operation: 80*33=2640, Resulting Numbers: [90, 75, 2640] Generated Node #2: [90, 75, 2640] from Operation: 80*33=2640 Current State: 16:[90, 75, 2640], Operations: ['80*33=2640'] Exploring Operation: 90+75=165, Resulting Numbers: [2640, 165] Generated Node #3: [2640, 165] from Operation: 90+75=165 Current State: 16:[2640, 165], Operations: ['80*33=2640', '90+75=165'] Exploring Operation: 2640/165=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[80, 90, 75, 33], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [75, 33, 10] Generated Node #0,0: 16:[75, 33, 10] Operation: 90-80=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[75, 33, 10], Operations: ['90-80=10'] Exploring Operation: 75-33=42, Resulting Numbers: [10, 42] Generated Node #0,0,0: 16:[10, 42] Operation: 75-33=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[10, 42], Operations: ['90-80=10', '75-33=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 12, 5, 2, 3 ]
25
[ "12-2=10", "5*3=15", "10+15=25" ]
Current State: 25:[12, 5, 2, 3], Operations: [] Exploring Operation: 12-2=10, Resulting Numbers: [5, 3, 10] Generated Node #2: [5, 3, 10] from Operation: 12-2=10 Current State: 25:[5, 3, 10], Operations: ['12-2=10'] Exploring Operation: 5*3=15, Resulting Numbers: [10, 15] Generated Node #3: [10, 15] from Operation: 5*3=15 Current State: 25:[10, 15], Operations: ['12-2=10', '5*3=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[12, 5, 2, 3], Operations: [] Exploring Operation: 12/2=6, Resulting Numbers: [5, 3, 6] Generated Node #0,0: 25:[5, 3, 6] Operation: 12/2=6 Exploring Operation: 12*2=24, Resulting Numbers: [5, 3, 24] Generated Node #0,1: 25:[5, 3, 24] Operation: 12*2=24 Moving to Node #0,0 Current State: 25:[5, 3, 6], Operations: ['12/2=6'] Exploring Operation: 6/3=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 25:[5, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [5, 3] Generated Node #0,0,1: 25:[5, 3] Operation: 6-3=3 Moving to Node #0,1 Current State: 25:[5, 3, 24], Operations: ['12*2=24'] Exploring Operation: 24/3=8, Resulting Numbers: [5, 8] Generated Node #0,1,0: 25:[5, 8] Operation: 24/3=8 Exploring Operation: 3+24=27, Resulting Numbers: [5, 27] Generated Node #0,1,1: 25:[5, 27] Operation: 3+24=27 Moving to Node #0,0,1 Current State: 25:[5, 3], Operations: ['12/2=6', '6-3=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[5, 27], Operations: ['12*2=24', '3+24=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[5, 2], Operations: ['12/2=6', '6/3=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[5, 8], Operations: ['12*2=24', '24/3=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 78, 91, 18, 39 ]
15
[ "91-78=13", "39/13=3", "18-3=15" ]
Current State: 15:[78, 91, 18, 39], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [18, 39, 13] Generated Node #2: [18, 39, 13] from Operation: 91-78=13 Current State: 15:[18, 39, 13], Operations: ['91-78=13'] Exploring Operation: 39/13=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 39/13=3 Current State: 15:[18, 3], Operations: ['91-78=13', '39/13=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[78, 91, 18, 39], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [18, 39, 13] Generated Node #0,0: 15:[18, 39, 13] Operation: 91-78=13 Moving to Node #0,0 Current State: 15:[18, 39, 13], Operations: ['91-78=13'] Exploring Operation: 39/13=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 15:[18, 3] Operation: 39/13=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[18, 3], Operations: ['91-78=13', '39/13=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[78, 91, 18, 39], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [18, 39, 13] Generated Node #0,0: 15:[18, 39, 13] Operation: 91-78=13 Moving to Node #0,0 Current State: 15:[18, 39, 13], Operations: ['91-78=13'] Exploring Operation: 39/13=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 15:[18, 3] Operation: 39/13=3 Moving to Node #0,0,0 Current State: 15:[18, 3], Operations: ['91-78=13', '39/13=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 39, 71, 2, 50 ]
58
[ "39+71=110", "2+50=52", "110-52=58" ]
Current State: 58:[39, 71, 2, 50], Operations: [] Exploring Operation: 39+71=110, Resulting Numbers: [2, 50, 110] Generated Node #2: [2, 50, 110] from Operation: 39+71=110 Current State: 58:[2, 50, 110], Operations: ['39+71=110'] Exploring Operation: 2+50=52, Resulting Numbers: [110, 52] Generated Node #3: [110, 52] from Operation: 2+50=52 Current State: 58:[110, 52], Operations: ['39+71=110', '2+50=52'] Exploring Operation: 110-52=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[39, 71, 2, 50], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [39, 71, 25] Generated Node #0,0: 58:[39, 71, 25] Operation: 50/2=25 Exploring Operation: 50-39=11, Resulting Numbers: [71, 2, 11] Generated Node #0,1: 58:[71, 2, 11] Operation: 50-39=11 Exploring Operation: 71-39=32, Resulting Numbers: [2, 50, 32] Generated Node #0,2: 58:[2, 50, 32] Operation: 71-39=32 Exploring Operation: 39-2=37, Resulting Numbers: [71, 50, 37] Generated Node #0,3: 58:[71, 50, 37] Operation: 39-2=37 Exploring Operation: 71-50=21, Resulting Numbers: [39, 2, 21] Generated Node #0,4: 58:[39, 2, 21] Operation: 71-50=21 Moving to Node #0,2 Current State: 58:[2, 50, 32], Operations: ['71-39=32'] Exploring Operation: 50/2=25, Resulting Numbers: [32, 25] Generated Node #0,2,0: 58:[32, 25] Operation: 50/2=25 Exploring Operation: 50-2=48, Resulting Numbers: [32, 48] Generated Node #0,2,1: 58:[32, 48] Operation: 50-2=48 Exploring Operation: 32-2=30, Resulting Numbers: [50, 30] Generated Node #0,2,2: 58:[50, 30] Operation: 32-2=30 Exploring Operation: 2+50=52, Resulting Numbers: [32, 52] Generated Node #0,2,3: 58:[32, 52] Operation: 2+50=52 Exploring Operation: 50-32=18, Resulting Numbers: [2, 18] Generated Node #0,2,4: 58:[2, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[32, 25], Operations: ['71-39=32', '50/2=25'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[50, 30], Operations: ['71-39=32', '32-2=30'] Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,58 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,58 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[32, 52], Operations: ['71-39=32', '2+50=52'] Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,58 unequal: No Solution Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,58 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 58:[2, 18], Operations: ['71-39=32', '50-32=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,58 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[32, 48], Operations: ['71-39=32', '50-2=48'] Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,58 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,58 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: 58:[39, 2, 21], Operations: ['71-50=21'] Exploring Operation: 39+2=41, Resulting Numbers: [21, 41] Generated Node #0,4,0: 58:[21, 41] Operation: 39+2=41 Exploring Operation: 2+21=23, Resulting Numbers: [39, 23] Generated Node #0,4,1: 58:[39, 23] Operation: 2+21=23 Exploring Operation: 39+21=60, Resulting Numbers: [2, 60] Generated Node #0,4,2: 58:[2, 60] Operation: 39+21=60 Exploring Operation: 39-21=18, Resulting Numbers: [2, 18] Generated Node #0,4,3: 58:[2, 18] Operation: 39-21=18 Exploring Operation: 39-2=37, Resulting Numbers: [21, 37] Generated Node #0,4,4: 58:[21, 37] Operation: 39-2=37 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 58:[2, 60], Operations: ['71-50=21', '39+21=60'] Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[39, 71, 2, 50], Operations: [] Exploring Operation: 71-50=21, Resulting Numbers: [39, 2, 21] Generated Node #0,4: 58:[39, 2, 21] Operation: 71-50=21 Moving to Node #0,4 Current State: 58:[39, 2, 21], Operations: ['71-50=21'] Exploring Operation: 39+21=60, Resulting Numbers: [2, 60] Generated Node #0,4,2: 58:[2, 60] Operation: 39+21=60 Moving to Node #0,4,2 Current State: 58:[2, 60], Operations: ['71-50=21', '39+21=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 48, 51, 90, 15 ]
72
[ "51-48=3", "90-15=75", "75-3=72" ]
Current State: 72:[48, 51, 90, 15], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [90, 15, 3] Generated Node #2: [90, 15, 3] from Operation: 51-48=3 Current State: 72:[90, 15, 3], Operations: ['51-48=3'] Exploring Operation: 90-15=75, Resulting Numbers: [3, 75] Generated Node #3: [3, 75] from Operation: 90-15=75 Current State: 72:[3, 75], Operations: ['51-48=3', '90-15=75'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[48, 51, 90, 15], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [48, 15, 39] Generated Node #0,0: 72:[48, 15, 39] Operation: 90-51=39 Exploring Operation: 90-48=42, Resulting Numbers: [51, 15, 42] Generated Node #0,1: 72:[51, 15, 42] Operation: 90-48=42 Exploring Operation: 51-48=3, Resulting Numbers: [90, 15, 3] Generated Node #0,2: 72:[90, 15, 3] Operation: 51-48=3 Exploring Operation: 90/15=6, Resulting Numbers: [48, 51, 6] Generated Node #0,3: 72:[48, 51, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[48, 15, 39], Operations: ['90-51=39'] Exploring Operation: 48-39=9, Resulting Numbers: [15, 9] Generated Node #0,0,0: 72:[15, 9] Operation: 48-39=9 Exploring Operation: 48-15=33, Resulting Numbers: [39, 33] Generated Node #0,0,1: 72:[39, 33] Operation: 48-15=33 Exploring Operation: 39-15=24, Resulting Numbers: [48, 24] Generated Node #0,0,2: 72:[48, 24] Operation: 39-15=24 Exploring Operation: 48+15=63, Resulting Numbers: [39, 63] Generated Node #0,0,3: 72:[39, 63] Operation: 48+15=63 Moving to Node #0,0,0 Current State: 72:[15, 9], Operations: ['90-51=39', '48-39=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[39, 33], Operations: ['90-51=39', '48-15=33'] Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,72 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[48, 51, 90, 15], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [48, 15, 39] Generated Node #0,0: 72:[48, 15, 39] Operation: 90-51=39 Moving to Node #0,0 Current State: 72:[48, 15, 39], Operations: ['90-51=39'] Exploring Operation: 48-15=33, Resulting Numbers: [39, 33] Generated Node #0,0,1: 72:[39, 33] Operation: 48-15=33 Moving to Node #0,0,1 Current State: 72:[39, 33], Operations: ['90-51=39', '48-15=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 93, 99, 3, 32 ]
98
[ "93/3=31", "99-32=67", "31+67=98" ]
Current State: 98:[93, 99, 3, 32], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [99, 32, 31] Generated Node #2: [99, 32, 31] from Operation: 93/3=31 Current State: 98:[99, 32, 31], Operations: ['93/3=31'] Exploring Operation: 99-32=67, Resulting Numbers: [31, 67] Generated Node #3: [31, 67] from Operation: 99-32=67 Current State: 98:[31, 67], Operations: ['93/3=31', '99-32=67'] Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[93, 99, 3, 32], Operations: [] Exploring Operation: 3*32=96, Resulting Numbers: [93, 99, 96] Generated Node #0,0: 98:[93, 99, 96] Operation: 3*32=96 Exploring Operation: 93-32=61, Resulting Numbers: [99, 3, 61] Generated Node #0,1: 98:[99, 3, 61] Operation: 93-32=61 Moving to Node #0,0 Current State: 98:[93, 99, 96], Operations: ['3*32=96'] Exploring Operation: 96-93=3, Resulting Numbers: [99, 3] Generated Node #0,0,0: 98:[99, 3] Operation: 96-93=3 Exploring Operation: 99-93=6, Resulting Numbers: [96, 6] Generated Node #0,0,1: 98:[96, 6] Operation: 99-93=6 Moving to Node #0,1 Current State: 98:[99, 3, 61], Operations: ['93-32=61'] Exploring Operation: 61-3=58, Resulting Numbers: [99, 58] Generated Node #0,1,0: 98:[99, 58] Operation: 61-3=58 Exploring Operation: 99-61=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 98:[3, 38] Operation: 99-61=38 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[99, 58], Operations: ['93-32=61', '61-3=58'] Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[3, 38], Operations: ['93-32=61', '99-61=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,98 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: 98:[99, 3], Operations: ['3*32=96', '96-93=3'] Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[96, 6], Operations: ['3*32=96', '99-93=6'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,98 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 12, 12, 84 ]
48
[ "60-12=48", "12+84=96", "96-48=48" ]
Current State: 48:[60, 12, 12, 84], Operations: [] Exploring Operation: 60-12=48, Resulting Numbers: [84, 48] Generated Node #2: [84, 48] from Operation: 60-12=48 Current State: 48:[84, 48], Operations: ['60-12=48'] Exploring Operation: 12+84=96, Resulting Numbers: [48, 96] Generated Node #3: [48, 96] from Operation: 12+84=96 Current State: 48:[48, 96], Operations: ['60-12=48', '12+84=96'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[60, 12, 12, 84], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [60, 12, 7] Generated Node #0,0: 48:[60, 12, 7] Operation: 84/12=7 Exploring Operation: 84-60=24, Resulting Numbers: [12, 12, 24] Generated Node #0,1: 48:[12, 12, 24] Operation: 84-60=24 Moving to Node #0,1 Current State: 48:[12, 12, 24], Operations: ['84-60=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12, 12] Generated Node #0,1,0: 48:[12, 12] Operation: 24-12=12 Exploring Operation: 12+12=24, Resulting Numbers: [24, 24] Generated Node #0,1,1: 48:[24, 24] Operation: 12+12=24 Moving to Node #0,0 Current State: 48:[60, 12, 7], Operations: ['84/12=7'] Exploring Operation: 60-12=48, Resulting Numbers: [7, 48] Generated Node #0,0,0: 48:[7, 48] Operation: 60-12=48 Exploring Operation: 60/12=5, Resulting Numbers: [7, 5] Generated Node #0,0,1: 48:[7, 5] Operation: 60/12=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[7, 48], Operations: ['84/12=7', '60-12=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,48 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[7, 5], Operations: ['84/12=7', '60/12=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 48:[12, 12], Operations: ['84-60=24', '24-12=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[24, 24], Operations: ['84-60=24', '12+12=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[60, 12, 12, 84], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [12, 12, 24] Generated Node #0,1: 48:[12, 12, 24] Operation: 84-60=24 Moving to Node #0,1 Current State: 48:[12, 12, 24], Operations: ['84-60=24'] Exploring Operation: 12+12=24, Resulting Numbers: [24, 24] Generated Node #0,1,1: 48:[24, 24] Operation: 12+12=24 Moving to Node #0,1,1 Current State: 48:[24, 24], Operations: ['84-60=24', '12+12=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 35, 61, 2, 27 ]
75
[ "35+61=96", "96/2=48", "27+48=75" ]
Current State: 75:[35, 61, 2, 27], Operations: [] Exploring Operation: 35+61=96, Resulting Numbers: [2, 27, 96] Generated Node #2: [2, 27, 96] from Operation: 35+61=96 Current State: 75:[2, 27, 96], Operations: ['35+61=96'] Exploring Operation: 96/2=48, Resulting Numbers: [27, 48] Generated Node #3: [27, 48] from Operation: 96/2=48 Current State: 75:[27, 48], Operations: ['35+61=96', '96/2=48'] Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[35, 61, 2, 27], Operations: [] Exploring Operation: 61-35=26, Resulting Numbers: [2, 27, 26] Generated Node #0,0: 75:[2, 27, 26] Operation: 61-35=26 Exploring Operation: 61-27=34, Resulting Numbers: [35, 2, 34] Generated Node #0,1: 75:[35, 2, 34] Operation: 61-27=34 Exploring Operation: 35-27=8, Resulting Numbers: [61, 2, 8] Generated Node #0,2: 75:[61, 2, 8] Operation: 35-27=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[2, 27, 26], Operations: ['61-35=26'] Exploring Operation: 27-26=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 75:[2, 1] Operation: 27-26=1 Exploring Operation: 26-2=24, Resulting Numbers: [27, 24] Generated Node #0,0,1: 75:[27, 24] Operation: 26-2=24 Exploring Operation: 27-2=25, Resulting Numbers: [26, 25] Generated Node #0,0,2: 75:[26, 25] Operation: 27-2=25 Moving to Node #0,0,2 Current State: 75:[26, 25], Operations: ['61-35=26', '27-2=25'] Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,75 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,75 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[2, 1], Operations: ['61-35=26', '27-26=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[27, 24], Operations: ['61-35=26', '26-2=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,75 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[61, 2, 8], Operations: ['35-27=8'] Exploring Operation: 61+2=63, Resulting Numbers: [8, 63] Generated Node #0,2,0: 75:[8, 63] Operation: 61+2=63 Exploring Operation: 61+8=69, Resulting Numbers: [2, 69] Generated Node #0,2,1: 75:[2, 69] Operation: 61+8=69 Exploring Operation: 2*8=16, Resulting Numbers: [61, 16] Generated Node #0,2,2: 75:[61, 16] Operation: 2*8=16 Moving to Node #0,2,1 Current State: 75:[2, 69], Operations: ['35-27=8', '61+8=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,75 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[8, 63], Operations: ['35-27=8', '61+2=63'] Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 8*63=504, Resulting Numbers: [504] 504,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[61, 16], Operations: ['35-27=8', '2*8=16'] Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,75 unequal: No Solution Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[35, 2, 34], Operations: ['61-27=34'] Exploring Operation: 35+34=69, Resulting Numbers: [2, 69] Generated Node #0,1,0: 75:[2, 69] Operation: 35+34=69 Exploring Operation: 34/2=17, Resulting Numbers: [35, 17] Generated Node #0,1,1: 75:[35, 17] Operation: 34/2=17 Exploring Operation: 35-34=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 75:[2, 1] Operation: 35-34=1 Moving to Node #0,1,2 Current State: 75:[2, 1], Operations: ['61-27=34', '35-34=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[2, 69], Operations: ['61-27=34', '35+34=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[35, 17], Operations: ['61-27=34', '34/2=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,75 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
[ 91, 74, 87, 87 ]
52
[ "91-87=4", "87-74=13", "4*13=52" ]
Current State: 52:[91, 74, 87, 87], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [74, 4] Generated Node #2: [74, 4] from Operation: 91-87=4 Current State: 52:[74, 4], Operations: ['91-87=4'] Exploring Operation: 87-74=13, Resulting Numbers: [4, 13] Generated Node #3: [4, 13] from Operation: 87-74=13 Current State: 52:[4, 13], Operations: ['91-87=4', '87-74=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[91, 74, 87, 87], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [74, 87, 4] Generated Node #0,0: 52:[74, 87, 4] Operation: 91-87=4 Exploring Operation: 87-87=0, Resulting Numbers: [91, 74, 0] Generated Node #0,1: 52:[91, 74, 0] Operation: 87-87=0 Exploring Operation: 87/87=1, Resulting Numbers: [91, 74, 1] Generated Node #0,2: 52:[91, 74, 1] Operation: 87/87=1 Exploring Operation: 91-87=4, Resulting Numbers: [74, 87, 4] Generated Node #0,3: 52:[74, 87, 4] Operation: 91-87=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[74, 87, 4], Operations: ['91-87=4'] Exploring Operation: 74+4=78, Resulting Numbers: [87, 78] Generated Node #0,0,0: 52:[87, 78] Operation: 74+4=78 Exploring Operation: 74-4=70, Resulting Numbers: [87, 70] Generated Node #0,0,1: 52:[87, 70] Operation: 74-4=70 Exploring Operation: 87-4=83, Resulting Numbers: [74, 83] Generated Node #0,0,2: 52:[74, 83] Operation: 87-4=83 Exploring Operation: 87-74=13, Resulting Numbers: [4, 13] Generated Node #0,0,3: 52:[4, 13] Operation: 87-74=13 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 52:[4, 13], Operations: ['91-87=4', '87-74=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[91, 74, 87, 87], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [74, 87, 4] Generated Node #0,0: 52:[74, 87, 4] Operation: 91-87=4 Moving to Node #0,0 Current State: 52:[74, 87, 4], Operations: ['91-87=4'] Exploring Operation: 87-74=13, Resulting Numbers: [4, 13] Generated Node #0,0,3: 52:[4, 13] Operation: 87-74=13 Moving to Node #0,0,3 Current State: 52:[4, 13], Operations: ['91-87=4', '87-74=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 10, 38, 35, 29 ]
42
[ "10+38=48", "35-29=6", "48-6=42" ]
Current State: 42:[10, 38, 35, 29], Operations: [] Exploring Operation: 10+38=48, Resulting Numbers: [35, 29, 48] Generated Node #2: [35, 29, 48] from Operation: 10+38=48 Current State: 42:[35, 29, 48], Operations: ['10+38=48'] Exploring Operation: 35-29=6, Resulting Numbers: [48, 6] Generated Node #3: [48, 6] from Operation: 35-29=6 Current State: 42:[48, 6], Operations: ['10+38=48', '35-29=6'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[10, 38, 35, 29], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [10, 38, 6] Generated Node #0,0: 42:[10, 38, 6] Operation: 35-29=6 Moving to Node #0,0 Current State: 42:[10, 38, 6], Operations: ['35-29=6'] Exploring Operation: 10-6=4, Resulting Numbers: [38, 4] Generated Node #0,0,0: 42:[38, 4] Operation: 10-6=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[38, 4], Operations: ['35-29=6', '10-6=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[10, 38, 35, 29], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [10, 38, 6] Generated Node #0,0: 42:[10, 38, 6] Operation: 35-29=6 Moving to Node #0,0 Current State: 42:[10, 38, 6], Operations: ['35-29=6'] Exploring Operation: 10-6=4, Resulting Numbers: [38, 4] Generated Node #0,0,0: 42:[38, 4] Operation: 10-6=4 Moving to Node #0,0,0 Current State: 42:[38, 4], Operations: ['35-29=6', '10-6=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 88, 44, 58 ]
32
[ "88-42=46", "58-44=14", "46-14=32" ]
Current State: 32:[42, 88, 44, 58], Operations: [] Exploring Operation: 88-42=46, Resulting Numbers: [44, 58, 46] Generated Node #2: [44, 58, 46] from Operation: 88-42=46 Current State: 32:[44, 58, 46], Operations: ['88-42=46'] Exploring Operation: 58-44=14, Resulting Numbers: [46, 14] Generated Node #3: [46, 14] from Operation: 58-44=14 Current State: 32:[46, 14], Operations: ['88-42=46', '58-44=14'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[42, 88, 44, 58], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [42, 44, 30] Generated Node #0,0: 32:[42, 44, 30] Operation: 88-58=30 Exploring Operation: 88-42=46, Resulting Numbers: [44, 58, 46] Generated Node #0,1: 32:[44, 58, 46] Operation: 88-42=46 Exploring Operation: 88/44=2, Resulting Numbers: [42, 58, 2] Generated Node #0,2: 32:[42, 58, 2] Operation: 88/44=2 Exploring Operation: 58-42=16, Resulting Numbers: [88, 44, 16] Generated Node #0,3: 32:[88, 44, 16] Operation: 58-42=16 Exploring Operation: 88-44=44, Resulting Numbers: [42, 58, 44] Generated Node #0,4: 32:[42, 58, 44] Operation: 88-44=44 Moving to Node #0,0 Current State: 32:[42, 44, 30], Operations: ['88-58=30'] Exploring Operation: 44-42=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 32:[30, 2] Operation: 44-42=2 Exploring Operation: 44+30=74, Resulting Numbers: [42, 74] Generated Node #0,0,1: 32:[42, 74] Operation: 44+30=74 Exploring Operation: 42-30=12, Resulting Numbers: [44, 12] Generated Node #0,0,2: 32:[44, 12] Operation: 42-30=12 Exploring Operation: 44-30=14, Resulting Numbers: [42, 14] Generated Node #0,0,3: 32:[42, 14] Operation: 44-30=14 Exploring Operation: 42+30=72, Resulting Numbers: [44, 72] Generated Node #0,0,4: 32:[44, 72] Operation: 42+30=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[30, 2], Operations: ['88-58=30', '44-42=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[42, 88, 44, 58], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [42, 44, 30] Generated Node #0,0: 32:[42, 44, 30] Operation: 88-58=30 Moving to Node #0,0 Current State: 32:[42, 44, 30], Operations: ['88-58=30'] Exploring Operation: 44-42=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 32:[30, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 32:[30, 2], Operations: ['88-58=30', '44-42=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 30, 60, 10, 23 ]
63
[ "60-30=30", "10+23=33", "30+33=63" ]
Current State: 63:[30, 60, 10, 23], Operations: [] Exploring Operation: 60-30=30, Resulting Numbers: [10, 23, 30] Generated Node #2: [10, 23, 30] from Operation: 60-30=30 Current State: 63:[10, 23, 30], Operations: ['60-30=30'] Exploring Operation: 10+23=33, Resulting Numbers: [30, 33] Generated Node #3: [30, 33] from Operation: 10+23=33 Current State: 63:[30, 33], Operations: ['60-30=30', '10+23=33'] Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[30, 60, 10, 23], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [60, 10, 7] Generated Node #0,0: 63:[60, 10, 7] Operation: 30-23=7 Exploring Operation: 30/10=3, Resulting Numbers: [60, 23, 3] Generated Node #0,1: 63:[60, 23, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [60, 23, 20] Generated Node #0,2: 63:[60, 23, 20] Operation: 30-10=20 Exploring Operation: 60/30=2, Resulting Numbers: [10, 23, 2] Generated Node #0,3: 63:[10, 23, 2] Operation: 60/30=2 Moving to Node #0,0 Current State: 63:[60, 10, 7], Operations: ['30-23=7'] Exploring Operation: 10-7=3, Resulting Numbers: [60, 3] Generated Node #0,0,0: 63:[60, 3] Operation: 10-7=3 Exploring Operation: 60+7=67, Resulting Numbers: [10, 67] Generated Node #0,0,1: 63:[10, 67] Operation: 60+7=67 Exploring Operation: 60+10=70, Resulting Numbers: [7, 70] Generated Node #0,0,2: 63:[7, 70] Operation: 60+10=70 Exploring Operation: 60/10=6, Resulting Numbers: [7, 6] Generated Node #0,0,3: 63:[7, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[7, 6], Operations: ['30-23=7', '60/10=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,63 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 #0,0,0 Current State: 63:[60, 3], Operations: ['30-23=7', '10-7=3'] Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,63 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[30, 60, 10, 23], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [60, 10, 7] Generated Node #0,0: 63:[60, 10, 7] Operation: 30-23=7 Moving to Node #0,0 Current State: 63:[60, 10, 7], Operations: ['30-23=7'] Exploring Operation: 10-7=3, Resulting Numbers: [60, 3] Generated Node #0,0,0: 63:[60, 3] Operation: 10-7=3 Moving to Node #0,0,0 Current State: 63:[60, 3], Operations: ['30-23=7', '10-7=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 62, 31, 7, 49 ]
86
[ "62+31=93", "49/7=7", "93-7=86" ]
Current State: 86:[62, 31, 7, 49], Operations: [] Exploring Operation: 62+31=93, Resulting Numbers: [7, 49, 93] Generated Node #2: [7, 49, 93] from Operation: 62+31=93 Current State: 86:[7, 49, 93], Operations: ['62+31=93'] Exploring Operation: 49/7=7, Resulting Numbers: [93, 7] Generated Node #3: [93, 7] from Operation: 49/7=7 Current State: 86:[93, 7], Operations: ['62+31=93', '49/7=7'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[62, 31, 7, 49], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [7, 49, 2] Generated Node #0,0: 86:[7, 49, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [7, 49, 31] Generated Node #0,1: 86:[7, 49, 31] Operation: 62-31=31 Exploring Operation: 62+31=93, Resulting Numbers: [7, 49, 93] Generated Node #0,2: 86:[7, 49, 93] Operation: 62+31=93 Moving to Node #0,0 Current State: 86:[7, 49, 2], Operations: ['62/31=2'] Exploring Operation: 49-7=42, Resulting Numbers: [2, 42] Generated Node #0,0,0: 86:[2, 42] Operation: 49-7=42 Exploring Operation: 7-2=5, Resulting Numbers: [49, 5] Generated Node #0,0,1: 86:[49, 5] Operation: 7-2=5 Exploring Operation: 49/7=7, Resulting Numbers: [2, 7] Generated Node #0,0,2: 86:[2, 7] Operation: 49/7=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[2, 42], Operations: ['62/31=2', '49-7=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,86 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,86 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:[2, 7], Operations: ['62/31=2', '49/7=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 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:[49, 5], Operations: ['62/31=2', '7-2=5'] Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,86 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,86 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:[7, 49, 93], Operations: ['62+31=93'] Exploring Operation: 93-49=44, Resulting Numbers: [7, 44] Generated Node #0,2,0: 86:[7, 44] Operation: 93-49=44 Exploring Operation: 93-7=86, Resulting Numbers: [49, 86] Generated Node #0,2,1: 86:[49, 86] Operation: 93-7=86 Exploring Operation: 49-7=42, Resulting Numbers: [93, 42] Generated Node #0,2,2: 86:[93, 42] Operation: 49-7=42 Moving to Node #0,1 Current State: 86:[7, 49, 31], Operations: ['62-31=31'] Exploring Operation: 7+31=38, Resulting Numbers: [49, 38] Generated Node #0,1,0: 86:[49, 38] Operation: 7+31=38 Exploring Operation: 49-7=42, Resulting Numbers: [31, 42] Generated Node #0,1,1: 86:[31, 42] Operation: 49-7=42 Exploring Operation: 49+31=80, Resulting Numbers: [7, 80] Generated Node #0,1,2: 86:[7, 80] Operation: 49+31=80 Moving to Node #0,2,0 Current State: 86:[7, 44], Operations: ['62+31=93', '93-49=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,86 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[49, 86], Operations: ['62+31=93', '93-7=86'] Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,86 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 49*86=4214, Resulting Numbers: [4214] 4214,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[93, 42], Operations: ['62+31=93', '49-7=42'] Exploring Operation: 93-42=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 93+42=135, Resulting Numbers: [135] 135,86 unequal: No Solution Exploring Operation: 93*42=3906, Resulting Numbers: [3906] 3906,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[7, 80], Operations: ['62-31=31', '49+31=80'] Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,86 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[49, 38], Operations: ['62-31=31', '7+31=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[31, 42], Operations: ['62-31=31', '49-7=42'] Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 31*42=1302, Resulting Numbers: [1302] 1302,86 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 59, 84, 84, 17 ]
41
[ "59-17=42", "84/84=1", "42-1=41" ]
Current State: 41:[59, 84, 84, 17], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [84, 84, 42] Generated Node #2: [84, 84, 42] from Operation: 59-17=42 Current State: 41:[84, 84, 42], Operations: ['59-17=42'] Exploring Operation: 84/84=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 84/84=1 Current State: 41:[42, 1], Operations: ['59-17=42', '84/84=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[59, 84, 84, 17], Operations: [] Exploring Operation: 84-59=25, Resulting Numbers: [84, 17, 25] Generated Node #0,0: 41:[84, 17, 25] Operation: 84-59=25 Exploring Operation: 84/84=1, Resulting Numbers: [59, 17, 1] Generated Node #0,1: 41:[59, 17, 1] Operation: 84/84=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[59, 17, 1], Operations: ['84/84=1'] Exploring Operation: 59-1=58, Resulting Numbers: [17, 58] Generated Node #0,1,0: 41:[17, 58] Operation: 59-1=58 Exploring Operation: 59-17=42, Resulting Numbers: [1, 42] Generated Node #0,1,1: 41:[1, 42] Operation: 59-17=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[17, 58], Operations: ['84/84=1', '59-1=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[59, 84, 84, 17], Operations: [] Exploring Operation: 84/84=1, Resulting Numbers: [59, 17, 1] Generated Node #0,1: 41:[59, 17, 1] Operation: 84/84=1 Moving to Node #0,1 Current State: 41:[59, 17, 1], Operations: ['84/84=1'] Exploring Operation: 59-1=58, Resulting Numbers: [17, 58] Generated Node #0,1,0: 41:[17, 58] Operation: 59-1=58 Moving to Node #0,1,0 Current State: 41:[17, 58], Operations: ['84/84=1', '59-1=58'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 80, 38, 26, 59 ]
13
[ "80+38=118", "26*59=1534", "1534/118=13" ]
Current State: 13:[80, 38, 26, 59], Operations: [] Exploring Operation: 80+38=118, Resulting Numbers: [26, 59, 118] Generated Node #2: [26, 59, 118] from Operation: 80+38=118 Current State: 13:[26, 59, 118], Operations: ['80+38=118'] Exploring Operation: 26*59=1534, Resulting Numbers: [118, 1534] Generated Node #3: [118, 1534] from Operation: 26*59=1534 Current State: 13:[118, 1534], Operations: ['80+38=118', '26*59=1534'] Exploring Operation: 1534/118=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[80, 38, 26, 59], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [26, 59, 42] Generated Node #0,0: 13:[26, 59, 42] Operation: 80-38=42 Exploring Operation: 59-38=21, Resulting Numbers: [80, 26, 21] Generated Node #0,1: 13:[80, 26, 21] Operation: 59-38=21 Exploring Operation: 80-59=21, Resulting Numbers: [38, 26, 21] Generated Node #0,2: 13:[38, 26, 21] Operation: 80-59=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[38, 26, 21], Operations: ['80-59=21'] Exploring Operation: 38-26=12, Resulting Numbers: [21, 12] Generated Node #0,2,0: 13:[21, 12] Operation: 38-26=12 Exploring Operation: 26-21=5, Resulting Numbers: [38, 5] Generated Node #0,2,1: 13:[38, 5] Operation: 26-21=5 Exploring Operation: 38-21=17, Resulting Numbers: [26, 17] Generated Node #0,2,2: 13:[26, 17] Operation: 38-21=17 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[21, 12], Operations: ['80-59=21', '38-26=12'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,13 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 13:[26, 17], Operations: ['80-59=21', '38-21=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,13 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[38, 5], Operations: ['80-59=21', '26-21=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,13 unequal: No Solution Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[26, 59, 42], Operations: ['80-38=42'] Exploring Operation: 59-42=17, Resulting Numbers: [26, 17] Generated Node #0,0,0: 13:[26, 17] Operation: 59-42=17 Exploring Operation: 42-26=16, Resulting Numbers: [59, 16] Generated Node #0,0,1: 13:[59, 16] Operation: 42-26=16 Exploring Operation: 59-26=33, Resulting Numbers: [42, 33] Generated Node #0,0,2: 13:[42, 33] Operation: 59-26=33 Moving to Node #0,0,0 Current State: 13:[26, 17], Operations: ['80-38=42', '59-42=17'] Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,13 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[59, 16], Operations: ['80-38=42', '42-26=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,13 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,13 unequal: No Solution Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[42, 33], Operations: ['80-38=42', '59-26=33'] Exploring Operation: 42+33=75, Resulting Numbers: [75] 75,13 unequal: No Solution Exploring Operation: 42*33=1386, Resulting Numbers: [1386] 1386,13 unequal: No Solution Exploring Operation: 42-33=9, Resulting Numbers: [9] 9,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[80, 26, 21], Operations: ['59-38=21'] Exploring Operation: 80-26=54, Resulting Numbers: [21, 54] Generated Node #0,1,0: 13:[21, 54] Operation: 80-26=54 Exploring Operation: 26-21=5, Resulting Numbers: [80, 5] Generated Node #0,1,1: 13:[80, 5] Operation: 26-21=5 Exploring Operation: 80-21=59, Resulting Numbers: [26, 59] Generated Node #0,1,2: 13:[26, 59] Operation: 80-21=59 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[21, 54], Operations: ['59-38=21', '80-26=54'] Exploring Operation: 21+54=75, Resulting Numbers: [75] 75,13 unequal: No Solution Exploring Operation: 21*54=1134, Resulting Numbers: [1134] 1134,13 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[26, 59], Operations: ['59-38=21', '80-21=59'] Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,13 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[80, 5], Operations: ['59-38=21', '26-21=5'] Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,13 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 67, 17, 68, 35 ]
74
[ "67+35=102", "102/17=6", "68+6=74" ]
Current State: 74:[67, 17, 68, 35], Operations: [] Exploring Operation: 67+35=102, Resulting Numbers: [17, 68, 102] Generated Node #2: [17, 68, 102] from Operation: 67+35=102 Current State: 74:[17, 68, 102], Operations: ['67+35=102'] Exploring Operation: 102/17=6, Resulting Numbers: [68, 6] Generated Node #3: [68, 6] from Operation: 102/17=6 Current State: 74:[68, 6], Operations: ['67+35=102', '102/17=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[67, 17, 68, 35], Operations: [] Exploring Operation: 67+17=84, Resulting Numbers: [68, 35, 84] Generated Node #0,0: 74:[68, 35, 84] Operation: 67+17=84 Exploring Operation: 68/17=4, Resulting Numbers: [67, 35, 4] Generated Node #0,1: 74:[67, 35, 4] Operation: 68/17=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[67, 35, 4], Operations: ['68/17=4'] Exploring Operation: 67+4=71, Resulting Numbers: [35, 71] Generated Node #0,1,0: 74:[35, 71] Operation: 67+4=71 Exploring Operation: 67-35=32, Resulting Numbers: [4, 32] Generated Node #0,1,1: 74:[4, 32] Operation: 67-35=32 Moving to Node #0,1,0 Current State: 74:[35, 71], Operations: ['68/17=4', '67+4=71'] Exploring Operation: 35+71=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[4, 32], Operations: ['68/17=4', '67-35=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[68, 35, 84], Operations: ['67+17=84'] Exploring Operation: 84-68=16, Resulting Numbers: [35, 16] Generated Node #0,0,0: 74:[35, 16] Operation: 84-68=16 Exploring Operation: 68-35=33, Resulting Numbers: [84, 33] Generated Node #0,0,1: 74:[84, 33] Operation: 68-35=33 Moving to Node #0,0,1 Current State: 74:[84, 33], Operations: ['67+17=84', '68-35=33'] Exploring Operation: 84+33=117, Resulting Numbers: [117] 117,74 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[35, 16], Operations: ['67+17=84', '84-68=16'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 27, 35, 26, 61 ]
27
[ "27+35=62", "61-26=35", "62-35=27" ]
Current State: 27:[27, 35, 26, 61], Operations: [] Exploring Operation: 27+35=62, Resulting Numbers: [26, 61, 62] Generated Node #2: [26, 61, 62] from Operation: 27+35=62 Current State: 27:[26, 61, 62], Operations: ['27+35=62'] Exploring Operation: 61-26=35, Resulting Numbers: [62, 35] Generated Node #3: [62, 35] from Operation: 61-26=35 Current State: 27:[62, 35], Operations: ['27+35=62', '61-26=35'] Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[27, 35, 26, 61], Operations: [] Exploring Operation: 61-35=26, Resulting Numbers: [27, 26, 26] Generated Node #0,0: 27:[27, 26, 26] Operation: 61-35=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[27, 26, 26], Operations: ['61-35=26'] Exploring Operation: 26/26=1, Resulting Numbers: [27, 1] Generated Node #0,0,0: 27:[27, 1] Operation: 26/26=1 Moving to Node #0,0,0 Current State: 27:[27, 1], Operations: ['61-35=26', '26/26=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[27, 35, 26, 61], Operations: [] Exploring Operation: 61-35=26, Resulting Numbers: [27, 26, 26] Generated Node #0,0: 27:[27, 26, 26] Operation: 61-35=26 Moving to Node #0,0 Current State: 27:[27, 26, 26], Operations: ['61-35=26'] Exploring Operation: 26/26=1, Resulting Numbers: [27, 1] Generated Node #0,0,0: 27:[27, 1] Operation: 26/26=1 Moving to Node #0,0,0 Current State: 27:[27, 1], Operations: ['61-35=26', '26/26=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 4, 19, 81, 69 ]
16
[ "81-69=12", "12/4=3", "19-3=16" ]
Current State: 16:[4, 19, 81, 69], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [4, 19, 12] Generated Node #2: [4, 19, 12] from Operation: 81-69=12 Current State: 16:[4, 19, 12], Operations: ['81-69=12'] Exploring Operation: 12/4=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 12/4=3 Current State: 16:[19, 3], Operations: ['81-69=12', '12/4=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[4, 19, 81, 69], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [4, 19, 12] Generated Node #0,0: 16:[4, 19, 12] Operation: 81-69=12 Exploring Operation: 81-19=62, Resulting Numbers: [4, 69, 62] Generated Node #0,1: 16:[4, 69, 62] Operation: 81-19=62 Moving to Node #0,0 Current State: 16:[4, 19, 12], Operations: ['81-69=12'] Exploring Operation: 19-12=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 16:[4, 7] Operation: 19-12=7 Exploring Operation: 4+12=16, Resulting Numbers: [19, 16] Generated Node #0,0,1: 16:[19, 16] Operation: 4+12=16 Moving to Node #0,1 Current State: 16:[4, 69, 62], Operations: ['81-19=62'] Exploring Operation: 69-4=65, Resulting Numbers: [62, 65] Generated Node #0,1,0: 16:[62, 65] Operation: 69-4=65 Exploring Operation: 69-62=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 16:[4, 7] Operation: 69-62=7 Moving to Node #0,0,0 Current State: 16:[4, 7], Operations: ['81-69=12', '19-12=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[4, 7], Operations: ['81-19=62', '69-62=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[19, 16], Operations: ['81-69=12', '4+12=16'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[62, 65], Operations: ['81-19=62', '69-4=65'] Exploring Operation: 62+65=127, Resulting Numbers: [127] 127,16 unequal: No Solution Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,16 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 26, 78, 29 ]
75
[ "1*26=26", "78-29=49", "26+49=75" ]
Current State: 75:[1, 26, 78, 29], Operations: [] Exploring Operation: 1*26=26, Resulting Numbers: [78, 29, 26] Generated Node #2: [78, 29, 26] from Operation: 1*26=26 Current State: 75:[78, 29, 26], Operations: ['1*26=26'] Exploring Operation: 78-29=49, Resulting Numbers: [26, 49] Generated Node #3: [26, 49] from Operation: 78-29=49 Current State: 75:[26, 49], Operations: ['1*26=26', '78-29=49'] Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[1, 26, 78, 29], Operations: [] Exploring Operation: 78-1=77, Resulting Numbers: [26, 29, 77] Generated Node #0,0: 75:[26, 29, 77] Operation: 78-1=77 Exploring Operation: 29-26=3, Resulting Numbers: [1, 78, 3] Generated Node #0,1: 75:[1, 78, 3] Operation: 29-26=3 Exploring Operation: 26-1=25, Resulting Numbers: [78, 29, 25] Generated Node #0,2: 75:[78, 29, 25] Operation: 26-1=25 Exploring Operation: 78/26=3, Resulting Numbers: [1, 29, 3] Generated Node #0,3: 75:[1, 29, 3] Operation: 78/26=3 Moving to Node #0,1 Current State: 75:[1, 78, 3], Operations: ['29-26=3'] Exploring Operation: 78-3=75, Resulting Numbers: [1, 75] Generated Node #0,1,0: 75:[1, 75] Operation: 78-3=75 Exploring Operation: 78-1=77, Resulting Numbers: [3, 77] Generated Node #0,1,1: 75:[3, 77] Operation: 78-1=77 Exploring Operation: 1*78=78, Resulting Numbers: [3, 78] Generated Node #0,1,2: 75:[3, 78] Operation: 1*78=78 Exploring Operation: 78/1=78, Resulting Numbers: [3, 78] Generated Node #0,1,3: 75:[3, 78] Operation: 78/1=78 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[1, 75], Operations: ['29-26=3', '78-3=75'] Exploring Operation: 1*75=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[1, 26, 78, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [1, 78, 3] Generated Node #0,1: 75:[1, 78, 3] Operation: 29-26=3 Moving to Node #0,1 Current State: 75:[1, 78, 3], Operations: ['29-26=3'] Exploring Operation: 78-3=75, Resulting Numbers: [1, 75] Generated Node #0,1,0: 75:[1, 75] Operation: 78-3=75 Moving to Node #0,1,0 Current State: 75:[1, 75], Operations: ['29-26=3', '78-3=75'] Exploring Operation: 1*75=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 79, 38, 70, 68 ]
21
[ "79+38=117", "70+68=138", "138-117=21" ]
Current State: 21:[79, 38, 70, 68], Operations: [] Exploring Operation: 79+38=117, Resulting Numbers: [70, 68, 117] Generated Node #2: [70, 68, 117] from Operation: 79+38=117 Current State: 21:[70, 68, 117], Operations: ['79+38=117'] Exploring Operation: 70+68=138, Resulting Numbers: [117, 138] Generated Node #3: [117, 138] from Operation: 70+68=138 Current State: 21:[117, 138], Operations: ['79+38=117', '70+68=138'] Exploring Operation: 138-117=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[79, 38, 70, 68], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [38, 68, 9] Generated Node #0,0: 21:[38, 68, 9] Operation: 79-70=9 Moving to Node #0,0 Current State: 21:[38, 68, 9], Operations: ['79-70=9'] Exploring Operation: 68-38=30, Resulting Numbers: [9, 30] Generated Node #0,0,0: 21:[9, 30] Operation: 68-38=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[9, 30], Operations: ['79-70=9', '68-38=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[79, 38, 70, 68], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [38, 68, 9] Generated Node #0,0: 21:[38, 68, 9] Operation: 79-70=9 Moving to Node #0,0 Current State: 21:[38, 68, 9], Operations: ['79-70=9'] Exploring Operation: 68-38=30, Resulting Numbers: [9, 30] Generated Node #0,0,0: 21:[9, 30] Operation: 68-38=30 Moving to Node #0,0,0 Current State: 21:[9, 30], Operations: ['79-70=9', '68-38=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 22, 59, 5, 15 ]
47
[ "59-22=37", "15-5=10", "37+10=47" ]
Current State: 47:[22, 59, 5, 15], Operations: [] Exploring Operation: 59-22=37, Resulting Numbers: [5, 15, 37] Generated Node #2: [5, 15, 37] from Operation: 59-22=37 Current State: 47:[5, 15, 37], Operations: ['59-22=37'] Exploring Operation: 15-5=10, Resulting Numbers: [37, 10] Generated Node #3: [37, 10] from Operation: 15-5=10 Current State: 47:[37, 10], Operations: ['59-22=37', '15-5=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[22, 59, 5, 15], Operations: [] Exploring Operation: 5*15=75, Resulting Numbers: [22, 59, 75] Generated Node #0,0: 47:[22, 59, 75] Operation: 5*15=75 Exploring Operation: 5+15=20, Resulting Numbers: [22, 59, 20] Generated Node #0,1: 47:[22, 59, 20] Operation: 5+15=20 Exploring Operation: 59-5=54, Resulting Numbers: [22, 15, 54] Generated Node #0,2: 47:[22, 15, 54] Operation: 59-5=54 Exploring Operation: 22+5=27, Resulting Numbers: [59, 15, 27] Generated Node #0,3: 47:[59, 15, 27] Operation: 22+5=27 Exploring Operation: 22+15=37, Resulting Numbers: [59, 5, 37] Generated Node #0,4: 47:[59, 5, 37] Operation: 22+15=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[22, 59, 20], Operations: ['5+15=20'] Exploring Operation: 59-20=39, Resulting Numbers: [22, 39] Generated Node #0,1,0: 47:[22, 39] Operation: 59-20=39 Exploring Operation: 59-22=37, Resulting Numbers: [20, 37] Generated Node #0,1,1: 47:[20, 37] Operation: 59-22=37 Exploring Operation: 22-20=2, Resulting Numbers: [59, 2] Generated Node #0,1,2: 47:[59, 2] Operation: 22-20=2 Exploring Operation: 59+20=79, Resulting Numbers: [22, 79] Generated Node #0,1,3: 47:[22, 79] Operation: 59+20=79 Exploring Operation: 22+20=42, Resulting Numbers: [59, 42] Generated Node #0,1,4: 47:[59, 42] Operation: 22+20=42 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 47:[59, 42], Operations: ['5+15=20', '22+20=42'] Exploring Operation: 59*42=2478, Resulting Numbers: [2478] 2478,47 unequal: No Solution Exploring Operation: 59+42=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[22, 39], Operations: ['5+15=20', '59-20=39'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,47 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[20, 37], Operations: ['5+15=20', '59-22=37'] Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,47 unequal: No Solution Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,47 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[59, 2], Operations: ['5+15=20', '22-20=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,47 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,47 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 47:[22, 79], Operations: ['5+15=20', '59+20=79'] Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 22*79=1738, Resulting Numbers: [1738] 1738,47 unequal: No Solution Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[22, 15, 54], Operations: ['59-5=54'] Exploring Operation: 22-15=7, Resulting Numbers: [54, 7] Generated Node #0,2,0: 47:[54, 7] Operation: 22-15=7 Exploring Operation: 54-22=32, Resulting Numbers: [15, 32] Generated Node #0,2,1: 47:[15, 32] Operation: 54-22=32 Exploring Operation: 54-15=39, Resulting Numbers: [22, 39] Generated Node #0,2,2: 47:[22, 39] Operation: 54-15=39 Exploring Operation: 15+54=69, Resulting Numbers: [22, 69] Generated Node #0,2,3: 47:[22, 69] Operation: 15+54=69 Exploring Operation: 22+15=37, Resulting Numbers: [54, 37] Generated Node #0,2,4: 47:[54, 37] Operation: 22+15=37 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 47:[54, 37], Operations: ['59-5=54', '22+15=37'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,47 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[22, 39], Operations: ['59-5=54', '54-15=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,47 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[54, 7], Operations: ['59-5=54', '22-15=7'] Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,47 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[22, 59, 5, 15], Operations: [] Exploring Operation: 59-5=54, Resulting Numbers: [22, 15, 54] Generated Node #0,2: 47:[22, 15, 54] Operation: 59-5=54 Moving to Node #0,2 Current State: 47:[22, 15, 54], Operations: ['59-5=54'] Exploring Operation: 22-15=7, Resulting Numbers: [54, 7] Generated Node #0,2,0: 47:[54, 7] Operation: 22-15=7 Moving to Node #0,2,0 Current State: 47:[54, 7], Operations: ['59-5=54', '22-15=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 21, 37, 41, 27 ]
57
[ "41-37=4", "21*4=84", "84-27=57" ]
Current State: 57:[21, 37, 41, 27], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [21, 27, 4] Generated Node #2: [21, 27, 4] from Operation: 41-37=4 Current State: 57:[21, 27, 4], Operations: ['41-37=4'] Exploring Operation: 21*4=84, Resulting Numbers: [27, 84] Generated Node #3: [27, 84] from Operation: 21*4=84 Current State: 57:[27, 84], Operations: ['41-37=4', '21*4=84'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[21, 37, 41, 27], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [21, 27, 4] Generated Node #0,0: 57:[21, 27, 4] Operation: 41-37=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[21, 27, 4], Operations: ['41-37=4'] Exploring Operation: 27-21=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 57:[4, 6] Operation: 27-21=6 Moving to Node #0,0,0 Current State: 57:[4, 6], Operations: ['41-37=4', '27-21=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,57 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
[ 27, 43, 89, 37 ]
56
[ "27+43=70", "89+37=126", "126-70=56" ]
Current State: 56:[27, 43, 89, 37], Operations: [] Exploring Operation: 27+43=70, Resulting Numbers: [89, 37, 70] Generated Node #2: [89, 37, 70] from Operation: 27+43=70 Current State: 56:[89, 37, 70], Operations: ['27+43=70'] Exploring Operation: 89+37=126, Resulting Numbers: [70, 126] Generated Node #3: [70, 126] from Operation: 89+37=126 Current State: 56:[70, 126], Operations: ['27+43=70', '89+37=126'] Exploring Operation: 126-70=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[27, 43, 89, 37], Operations: [] Exploring Operation: 89-37=52, Resulting Numbers: [27, 43, 52] Generated Node #0,0: 56:[27, 43, 52] Operation: 89-37=52 Exploring Operation: 89-43=46, Resulting Numbers: [27, 37, 46] Generated Node #0,1: 56:[27, 37, 46] Operation: 89-43=46 Moving to Node #0,0 Current State: 56:[27, 43, 52], Operations: ['89-37=52'] Exploring Operation: 43-27=16, Resulting Numbers: [52, 16] Generated Node #0,0,0: 56:[52, 16] Operation: 43-27=16 Exploring Operation: 52-43=9, Resulting Numbers: [27, 9] Generated Node #0,0,1: 56:[27, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[27, 9], Operations: ['89-37=52', '52-43=9'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[52, 16], Operations: ['89-37=52', '43-27=16'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 56:[27, 37, 46], Operations: ['89-43=46'] Exploring Operation: 46-37=9, Resulting Numbers: [27, 9] Generated Node #0,1,0: 56:[27, 9] Operation: 46-37=9 Exploring Operation: 37-27=10, Resulting Numbers: [46, 10] Generated Node #0,1,1: 56:[46, 10] Operation: 37-27=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[27, 9], Operations: ['89-43=46', '46-37=9'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[46, 10], Operations: ['89-43=46', '37-27=10'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[27, 43, 89, 37], Operations: [] Exploring Operation: 89-43=46, Resulting Numbers: [27, 37, 46] Generated Node #0,1: 56:[27, 37, 46] Operation: 89-43=46 Moving to Node #0,1 Current State: 56:[27, 37, 46], Operations: ['89-43=46'] Exploring Operation: 37-27=10, Resulting Numbers: [46, 10] Generated Node #0,1,1: 56:[46, 10] Operation: 37-27=10 Moving to Node #0,1,1 Current State: 56:[46, 10], Operations: ['89-43=46', '37-27=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 85, 86, 14, 71 ]
58
[ "86-85=1", "71-14=57", "1+57=58" ]
Current State: 58:[85, 86, 14, 71], Operations: [] Exploring Operation: 86-85=1, Resulting Numbers: [14, 71, 1] Generated Node #2: [14, 71, 1] from Operation: 86-85=1 Current State: 58:[14, 71, 1], Operations: ['86-85=1'] Exploring Operation: 71-14=57, Resulting Numbers: [1, 57] Generated Node #3: [1, 57] from Operation: 71-14=57 Current State: 58:[1, 57], Operations: ['86-85=1', '71-14=57'] Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[85, 86, 14, 71], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [86, 14, 14] Generated Node #0,0: 58:[86, 14, 14] Operation: 85-71=14 Exploring Operation: 86-14=72, Resulting Numbers: [85, 71, 72] Generated Node #0,1: 58:[85, 71, 72] Operation: 86-14=72 Exploring Operation: 86-85=1, Resulting Numbers: [14, 71, 1] Generated Node #0,2: 58:[14, 71, 1] Operation: 86-85=1 Exploring Operation: 86-71=15, Resulting Numbers: [85, 14, 15] Generated Node #0,3: 58:[85, 14, 15] Operation: 86-71=15 Exploring Operation: 85-14=71, Resulting Numbers: [86, 71, 71] Generated Node #0,4: 58:[86, 71, 71] Operation: 85-14=71 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[14, 71, 1], Operations: ['86-85=1'] Exploring Operation: 14*1=14, Resulting Numbers: [71, 14] Generated Node #0,2,0: 58:[71, 14] Operation: 14*1=14 Exploring Operation: 71-14=57, Resulting Numbers: [1, 57] Generated Node #0,2,1: 58:[1, 57] Operation: 71-14=57 Exploring Operation: 71-1=70, Resulting Numbers: [14, 70] Generated Node #0,2,2: 58:[14, 70] Operation: 71-1=70 Exploring Operation: 14-1=13, Resulting Numbers: [71, 13] Generated Node #0,2,3: 58:[71, 13] Operation: 14-1=13 Exploring Operation: 14/1=14, Resulting Numbers: [71, 14] Generated Node #0,2,4: 58:[71, 14] Operation: 14/1=14 Moving to Node #0,2,1 Current State: 58:[1, 57], Operations: ['86-85=1', '71-14=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[85, 86, 14, 71], Operations: [] Exploring Operation: 86-85=1, Resulting Numbers: [14, 71, 1] Generated Node #0,2: 58:[14, 71, 1] Operation: 86-85=1 Moving to Node #0,2 Current State: 58:[14, 71, 1], Operations: ['86-85=1'] Exploring Operation: 71-14=57, Resulting Numbers: [1, 57] Generated Node #0,2,1: 58:[1, 57] Operation: 71-14=57 Moving to Node #0,2,1 Current State: 58:[1, 57], Operations: ['86-85=1', '71-14=57'] Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 57, 73, 8, 24 ]
54
[ "57*8=456", "456/24=19", "73-19=54" ]
Current State: 54:[57, 73, 8, 24], Operations: [] Exploring Operation: 57*8=456, Resulting Numbers: [73, 24, 456] Generated Node #2: [73, 24, 456] from Operation: 57*8=456 Current State: 54:[73, 24, 456], Operations: ['57*8=456'] Exploring Operation: 456/24=19, Resulting Numbers: [73, 19] Generated Node #3: [73, 19] from Operation: 456/24=19 Current State: 54:[73, 19], Operations: ['57*8=456', '456/24=19'] Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[57, 73, 8, 24], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [8, 24, 16] Generated Node #0,0: 54:[8, 24, 16] Operation: 73-57=16 Exploring Operation: 73-8=65, Resulting Numbers: [57, 24, 65] Generated Node #0,1: 54:[57, 24, 65] Operation: 73-8=65 Exploring Operation: 73-24=49, Resulting Numbers: [57, 8, 49] Generated Node #0,2: 54:[57, 8, 49] Operation: 73-24=49 Exploring Operation: 24-8=16, Resulting Numbers: [57, 73, 16] Generated Node #0,3: 54:[57, 73, 16] Operation: 24-8=16 Exploring Operation: 24/8=3, Resulting Numbers: [57, 73, 3] Generated Node #0,4: 54:[57, 73, 3] Operation: 24/8=3 Moving to Node #0,0 Current State: 54:[8, 24, 16], Operations: ['73-57=16'] Exploring Operation: 24-16=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 54:[8, 8] Operation: 24-16=8 Exploring Operation: 24-8=16, Resulting Numbers: [16, 16] Generated Node #0,0,1: 54:[16, 16] Operation: 24-8=16 Exploring Operation: 16-8=8, Resulting Numbers: [24, 8] Generated Node #0,0,2: 54:[24, 8] Operation: 16-8=8 Exploring Operation: 24/8=3, Resulting Numbers: [16, 3] Generated Node #0,0,3: 54:[16, 3] Operation: 24/8=3 Exploring Operation: 16/8=2, Resulting Numbers: [24, 2] Generated Node #0,0,4: 54:[24, 2] Operation: 16/8=2 Moving to Node #0,2 Current State: 54:[57, 8, 49], Operations: ['73-24=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57, 57] Generated Node #0,2,0: 54:[57, 57] Operation: 8+49=57 Exploring Operation: 57-49=8, Resulting Numbers: [8, 8] Generated Node #0,2,1: 54:[8, 8] Operation: 57-49=8 Exploring Operation: 49-8=41, Resulting Numbers: [57, 41] Generated Node #0,2,2: 54:[57, 41] Operation: 49-8=41 Exploring Operation: 57+8=65, Resulting Numbers: [49, 65] Generated Node #0,2,3: 54:[49, 65] Operation: 57+8=65 Exploring Operation: 57-8=49, Resulting Numbers: [49, 49] Generated Node #0,2,4: 54:[49, 49] Operation: 57-8=49 Moving to Node #0,1 Current State: 54:[57, 24, 65], Operations: ['73-8=65'] Exploring Operation: 24+65=89, Resulting Numbers: [57, 89] Generated Node #0,1,0: 54:[57, 89] Operation: 24+65=89 Exploring Operation: 57+24=81, Resulting Numbers: [65, 81] Generated Node #0,1,1: 54:[65, 81] Operation: 57+24=81 Exploring Operation: 57-24=33, Resulting Numbers: [65, 33] Generated Node #0,1,2: 54:[65, 33] Operation: 57-24=33 Exploring Operation: 65-24=41, Resulting Numbers: [57, 41] Generated Node #0,1,3: 54:[57, 41] Operation: 65-24=41 Exploring Operation: 65-57=8, Resulting Numbers: [24, 8] Generated Node #0,1,4: 54:[24, 8] Operation: 65-57=8 Moving to Node #0,4 Current State: 54:[57, 73, 3], Operations: ['24/8=3'] Exploring Operation: 57/3=19, Resulting Numbers: [73, 19] Generated Node #0,4,0: 54:[73, 19] Operation: 57/3=19 Exploring Operation: 57+3=60, Resulting Numbers: [73, 60] Generated Node #0,4,1: 54:[73, 60] Operation: 57+3=60 Exploring Operation: 57-3=54, Resulting Numbers: [73, 54] Generated Node #0,4,2: 54:[73, 54] Operation: 57-3=54 Exploring Operation: 73-57=16, Resulting Numbers: [3, 16] Generated Node #0,4,3: 54:[3, 16] Operation: 73-57=16 Exploring Operation: 73-3=70, Resulting Numbers: [57, 70] Generated Node #0,4,4: 54:[57, 70] Operation: 73-3=70 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 54:[3, 16], Operations: ['24/8=3', '73-57=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,54 unequal: No Solution Exploring Operation: 16-3=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 #0,4,2 Current State: 54:[73, 54], Operations: ['24/8=3', '57-3=54'] Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,54 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,54 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, 70], Operations: ['24/8=3', '73-3=70'] Exploring Operation: 57+70=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 57*70=3990, Resulting Numbers: [3990] 3990,54 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 #0,4,0 Current State: 54:[73, 19], Operations: ['24/8=3', '57/3=19'] Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,54 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[57, 73, 8, 24], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [57, 73, 3] Generated Node #0,4: 54:[57, 73, 3] Operation: 24/8=3 Moving to Node #0,4 Current State: 54:[57, 73, 3], Operations: ['24/8=3'] Exploring Operation: 57/3=19, Resulting Numbers: [73, 19] Generated Node #0,4,0: 54:[73, 19] Operation: 57/3=19 Moving to Node #0,4,0 Current State: 54:[73, 19], Operations: ['24/8=3', '57/3=19'] Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 43, 30, 94, 78 ]
88
[ "43-30=13", "78/13=6", "94-6=88" ]
Current State: 88:[43, 30, 94, 78], Operations: [] Exploring Operation: 43-30=13, Resulting Numbers: [94, 78, 13] Generated Node #2: [94, 78, 13] from Operation: 43-30=13 Current State: 88:[94, 78, 13], Operations: ['43-30=13'] Exploring Operation: 78/13=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 78/13=6 Current State: 88:[94, 6], Operations: ['43-30=13', '78/13=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[43, 30, 94, 78], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [43, 94, 48] Generated Node #0,0: 88:[43, 94, 48] Operation: 78-30=48 Exploring Operation: 94-78=16, Resulting Numbers: [43, 30, 16] Generated Node #0,1: 88:[43, 30, 16] Operation: 94-78=16 Exploring Operation: 43-30=13, Resulting Numbers: [94, 78, 13] Generated Node #0,2: 88:[94, 78, 13] Operation: 43-30=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[43, 94, 48], Operations: ['78-30=48'] Exploring Operation: 94-48=46, Resulting Numbers: [43, 46] Generated Node #0,0,0: 88:[43, 46] Operation: 94-48=46 Exploring Operation: 48-43=5, Resulting Numbers: [94, 5] Generated Node #0,0,1: 88:[94, 5] Operation: 48-43=5 Exploring Operation: 43+48=91, Resulting Numbers: [94, 91] Generated Node #0,0,2: 88:[94, 91] Operation: 43+48=91 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[43, 46], Operations: ['78-30=48', '94-48=46'] Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,88 unequal: No Solution Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[94, 5], Operations: ['78-30=48', '48-43=5'] Exploring Operation: 94*5=470, Resulting Numbers: [470] 470,88 unequal: No Solution Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,88 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[94, 91], Operations: ['78-30=48', '43+48=91'] Exploring Operation: 94+91=185, Resulting Numbers: [185] 185,88 unequal: No Solution Exploring Operation: 94*91=8554, Resulting Numbers: [8554] 8554,88 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[43, 30, 16], Operations: ['94-78=16'] Exploring Operation: 30-16=14, Resulting Numbers: [43, 14] Generated Node #0,1,0: 88:[43, 14] Operation: 30-16=14 Exploring Operation: 30+16=46, Resulting Numbers: [43, 46] Generated Node #0,1,1: 88:[43, 46] Operation: 30+16=46 Exploring Operation: 43-30=13, Resulting Numbers: [16, 13] Generated Node #0,1,2: 88:[16, 13] Operation: 43-30=13 Moving to Node #0,1,1 Current State: 88:[43, 46], Operations: ['94-78=16', '30+16=46'] Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,88 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[43, 14], Operations: ['94-78=16', '30-16=14'] Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,88 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[16, 13], Operations: ['94-78=16', '43-30=13'] Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 16*13=208, Resulting Numbers: [208] 208,88 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[94, 78, 13], Operations: ['43-30=13'] Exploring Operation: 94-78=16, Resulting Numbers: [13, 16] Generated Node #0,2,0: 88:[13, 16] Operation: 94-78=16 Exploring Operation: 78/13=6, Resulting Numbers: [94, 6] Generated Node #0,2,1: 88:[94, 6] Operation: 78/13=6 Exploring Operation: 78+13=91, Resulting Numbers: [94, 91] Generated Node #0,2,2: 88:[94, 91] Operation: 78+13=91 Moving to Node #0,2,0 Current State: 88:[13, 16], Operations: ['43-30=13', '94-78=16'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 13*16=208, Resulting Numbers: [208] 208,88 unequal: No Solution Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[94, 6], Operations: ['43-30=13', '78/13=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[43, 30, 94, 78], Operations: [] Exploring Operation: 43-30=13, Resulting Numbers: [94, 78, 13] Generated Node #0,2: 88:[94, 78, 13] Operation: 43-30=13 Moving to Node #0,2 Current State: 88:[94, 78, 13], Operations: ['43-30=13'] Exploring Operation: 78/13=6, Resulting Numbers: [94, 6] Generated Node #0,2,1: 88:[94, 6] Operation: 78/13=6 Moving to Node #0,2,1 Current State: 88:[94, 6], Operations: ['43-30=13', '78/13=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_3
mult_heuristic
[ 54, 3, 59, 85 ]
24
[ "85-59=26", "3*26=78", "78-54=24" ]
Current State: 24:[54, 3, 59, 85], Operations: [] Exploring Operation: 85-59=26, Resulting Numbers: [54, 3, 26] Generated Node #2: [54, 3, 26] from Operation: 85-59=26 Current State: 24:[54, 3, 26], Operations: ['85-59=26'] Exploring Operation: 3*26=78, Resulting Numbers: [54, 78] Generated Node #3: [54, 78] from Operation: 3*26=78 Current State: 24:[54, 78], Operations: ['85-59=26', '3*26=78'] Exploring Operation: 78-54=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[54, 3, 59, 85], Operations: [] Exploring Operation: 85-59=26, Resulting Numbers: [54, 3, 26] Generated Node #0,0: 24:[54, 3, 26] Operation: 85-59=26 Exploring Operation: 59-54=5, Resulting Numbers: [3, 85, 5] Generated Node #0,1: 24:[3, 85, 5] Operation: 59-54=5 Exploring Operation: 54/3=18, Resulting Numbers: [59, 85, 18] Generated Node #0,2: 24:[59, 85, 18] Operation: 54/3=18 Exploring Operation: 85-54=31, Resulting Numbers: [3, 59, 31] Generated Node #0,3: 24:[3, 59, 31] Operation: 85-54=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[54, 3, 26], Operations: ['85-59=26'] Exploring Operation: 26-3=23, Resulting Numbers: [54, 23] Generated Node #0,0,0: 24:[54, 23] Operation: 26-3=23 Exploring Operation: 54-3=51, Resulting Numbers: [26, 51] Generated Node #0,0,1: 24:[26, 51] Operation: 54-3=51 Exploring Operation: 54-26=28, Resulting Numbers: [3, 28] Generated Node #0,0,2: 24:[3, 28] Operation: 54-26=28 Exploring Operation: 54/3=18, Resulting Numbers: [26, 18] Generated Node #0,0,3: 24:[26, 18] Operation: 54/3=18 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 24:[3, 28], Operations: ['85-59=26', '54-26=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,24 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 24:[26, 18], Operations: ['85-59=26', '54/3=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[26, 51], Operations: ['85-59=26', '54-3=51'] Exploring Operation: 26+51=77, Resulting Numbers: [77] 77,24 unequal: No Solution Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 26*51=1326, Resulting Numbers: [1326] 1326,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[54, 23], Operations: ['85-59=26', '26-3=23'] Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,24 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,24 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[3, 59, 31], Operations: ['85-54=31'] Exploring Operation: 59-3=56, Resulting Numbers: [31, 56] Generated Node #0,3,0: 24:[31, 56] Operation: 59-3=56 Exploring Operation: 31-3=28, Resulting Numbers: [59, 28] Generated Node #0,3,1: 24:[59, 28] Operation: 31-3=28 Exploring Operation: 3+59=62, Resulting Numbers: [31, 62] Generated Node #0,3,2: 24:[31, 62] Operation: 3+59=62 Exploring Operation: 59-31=28, Resulting Numbers: [3, 28] Generated Node #0,3,3: 24:[3, 28] Operation: 59-31=28 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 24:[3, 28], Operations: ['85-54=31', '59-31=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,24 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 24:[31, 56], Operations: ['85-54=31', '59-3=56'] Exploring Operation: 31+56=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 31*56=1736, Resulting Numbers: [1736] 1736,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 24:[59, 28], Operations: ['85-54=31', '31-3=28'] Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 59*28=1652, Resulting Numbers: [1652] 1652,24 unequal: No Solution Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 24:[31, 62], Operations: ['85-54=31', '3+59=62'] Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 31*62=1922, Resulting Numbers: [1922] 1922,24 unequal: No Solution Exploring Operation: 31+62=93, Resulting Numbers: [93] 93,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[3, 85, 5], Operations: ['59-54=5'] Exploring Operation: 3+5=8, Resulting Numbers: [85, 8] Generated Node #0,1,0: 24:[85, 8] Operation: 3+5=8 Exploring Operation: 85-5=80, Resulting Numbers: [3, 80] Generated Node #0,1,1: 24:[3, 80] Operation: 85-5=80 Exploring Operation: 85/5=17, Resulting Numbers: [3, 17] Generated Node #0,1,2: 24:[3, 17] Operation: 85/5=17 Exploring Operation: 85-3=82, Resulting Numbers: [5, 82] Generated Node #0,1,3: 24:[5, 82] Operation: 85-3=82 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[3, 17], Operations: ['59-54=5', '85/5=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[3, 80], Operations: ['59-54=5', '85-5=80'] Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,24 unequal: No Solution Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,24 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 24:[5, 82], Operations: ['59-54=5', '85-3=82'] Exploring Operation: 5+82=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 5*82=410, Resulting Numbers: [410] 410,24 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[85, 8], Operations: ['59-54=5', '3+5=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,24 unequal: No Solution Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,24 unequal: No Solution Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[59, 85, 18], Operations: ['54/3=18'] Exploring Operation: 85-18=67, Resulting Numbers: [59, 67] Generated Node #0,2,0: 24:[59, 67] Operation: 85-18=67 Exploring Operation: 59+18=77, Resulting Numbers: [85, 77] Generated Node #0,2,1: 24:[85, 77] Operation: 59+18=77 Exploring Operation: 85-59=26, Resulting Numbers: [18, 26] Generated Node #0,2,2: 24:[18, 26] Operation: 85-59=26 Exploring Operation: 59-18=41, Resulting Numbers: [85, 41] Generated Node #0,2,3: 24:[85, 41] Operation: 59-18=41 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 24:[18, 26], Operations: ['54/3=18', '85-59=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 24:[59, 67], Operations: ['54/3=18', '85-18=67'] Exploring Operation: 67-59=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 59*67=3953, Resulting Numbers: [3953] 3953,24 unequal: No Solution Exploring Operation: 59+67=126, Resulting Numbers: [126] 126,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 24:[85, 41], Operations: ['54/3=18', '59-18=41'] Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 85*41=3485, Resulting Numbers: [3485] 3485,24 unequal: No Solution Exploring Operation: 85+41=126, Resulting Numbers: [126] 126,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 24:[85, 77], Operations: ['54/3=18', '59+18=77'] Exploring Operation: 85*77=6545, Resulting Numbers: [6545] 6545,24 unequal: No Solution Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 85+77=162, Resulting Numbers: [162] 162,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 63, 93, 90, 98 ]
45
[ "98-93=5", "90/5=18", "63-18=45" ]
Current State: 45:[63, 93, 90, 98], Operations: [] Exploring Operation: 98-93=5, Resulting Numbers: [63, 90, 5] Generated Node #2: [63, 90, 5] from Operation: 98-93=5 Current State: 45:[63, 90, 5], Operations: ['98-93=5'] Exploring Operation: 90/5=18, Resulting Numbers: [63, 18] Generated Node #3: [63, 18] from Operation: 90/5=18 Current State: 45:[63, 18], Operations: ['98-93=5', '90/5=18'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[63, 93, 90, 98], Operations: [] Exploring Operation: 98-93=5, Resulting Numbers: [63, 90, 5] Generated Node #0,0: 45:[63, 90, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[63, 90, 5], Operations: ['98-93=5'] Exploring Operation: 90-63=27, Resulting Numbers: [5, 27] Generated Node #0,0,0: 45:[5, 27] Operation: 90-63=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[5, 27], Operations: ['98-93=5', '90-63=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 8, 10, 16 ]
45
[ "16/8=2", "10*2=20", "25+20=45" ]
Current State: 45:[25, 8, 10, 16], Operations: [] Exploring Operation: 16/8=2, Resulting Numbers: [25, 10, 2] Generated Node #2: [25, 10, 2] from Operation: 16/8=2 Current State: 45:[25, 10, 2], Operations: ['16/8=2'] Exploring Operation: 10*2=20, Resulting Numbers: [25, 20] Generated Node #3: [25, 20] from Operation: 10*2=20 Current State: 45:[25, 20], Operations: ['16/8=2', '10*2=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[25, 8, 10, 16], Operations: [] Exploring Operation: 25+10=35, Resulting Numbers: [8, 16, 35] Generated Node #0,0: 45:[8, 16, 35] Operation: 25+10=35 Exploring Operation: 25+16=41, Resulting Numbers: [8, 10, 41] Generated Node #0,1: 45:[8, 10, 41] Operation: 25+16=41 Exploring Operation: 25-10=15, Resulting Numbers: [8, 16, 15] Generated Node #0,2: 45:[8, 16, 15] Operation: 25-10=15 Exploring Operation: 25-16=9, Resulting Numbers: [8, 10, 9] Generated Node #0,3: 45:[8, 10, 9] Operation: 25-16=9 Exploring Operation: 25-8=17, Resulting Numbers: [10, 16, 17] Generated Node #0,4: 45:[10, 16, 17] Operation: 25-8=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[8, 16, 15], Operations: ['25-10=15'] Exploring Operation: 16-8=8, Resulting Numbers: [15, 8] Generated Node #0,2,0: 45:[15, 8] Operation: 16-8=8 Exploring Operation: 16-15=1, Resulting Numbers: [8, 1] Generated Node #0,2,1: 45:[8, 1] Operation: 16-15=1 Exploring Operation: 8+16=24, Resulting Numbers: [15, 24] Generated Node #0,2,2: 45:[15, 24] Operation: 8+16=24 Exploring Operation: 16/8=2, Resulting Numbers: [15, 2] Generated Node #0,2,3: 45:[15, 2] Operation: 16/8=2 Exploring Operation: 15-8=7, Resulting Numbers: [16, 7] Generated Node #0,2,4: 45:[16, 7] Operation: 15-8=7 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[15, 8], Operations: ['25-10=15', '16-8=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 45:[15, 2], Operations: ['25-10=15', '16/8=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 45:[8, 1], Operations: ['25-10=15', '16-15=1'] Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 45:[16, 7], Operations: ['25-10=15', '15-8=7'] Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,45 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,45 unequal: No Solution No 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: 45:[15, 24], Operations: ['25-10=15', '8+16=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,45 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[8, 10, 9], Operations: ['25-16=9'] Exploring Operation: 10-9=1, Resulting Numbers: [8, 1] Generated Node #0,3,0: 45:[8, 1] Operation: 10-9=1 Exploring Operation: 10-8=2, Resulting Numbers: [9, 2] Generated Node #0,3,1: 45:[9, 2] Operation: 10-8=2 Exploring Operation: 8+9=17, Resulting Numbers: [10, 17] Generated Node #0,3,2: 45:[10, 17] Operation: 8+9=17 Exploring Operation: 9-8=1, Resulting Numbers: [10, 1] Generated Node #0,3,3: 45:[10, 1] Operation: 9-8=1 Exploring Operation: 8+10=18, Resulting Numbers: [9, 18] Generated Node #0,3,4: 45:[9, 18] Operation: 8+10=18 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[9, 2], Operations: ['25-16=9', '10-8=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[8, 1], Operations: ['25-16=9', '10-9=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[10, 17], Operations: ['25-16=9', '8+9=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,45 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[10, 1], Operations: ['25-16=9', '9-8=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,45 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 45:[9, 18], Operations: ['25-16=9', '8+10=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,45 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 45:[10, 16, 17], Operations: ['25-8=17'] Exploring Operation: 10+17=27, Resulting Numbers: [16, 27] Generated Node #0,4,0: 45:[16, 27] Operation: 10+17=27 Exploring Operation: 16-10=6, Resulting Numbers: [17, 6] Generated Node #0,4,1: 45:[17, 6] Operation: 16-10=6 Exploring Operation: 10+16=26, Resulting Numbers: [17, 26] Generated Node #0,4,2: 45:[17, 26] Operation: 10+16=26 Exploring Operation: 17-16=1, Resulting Numbers: [10, 1] Generated Node #0,4,3: 45:[10, 1] Operation: 17-16=1 Exploring Operation: 17-10=7, Resulting Numbers: [16, 7] Generated Node #0,4,4: 45:[16, 7] Operation: 17-10=7 Moving to Node #0,4,1 Current State: 45:[17, 6], Operations: ['25-8=17', '16-10=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,45 unequal: No Solution Moving to Node #0,4,4 Current State: 45:[16, 7], Operations: ['25-8=17', '17-10=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,45 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,45 unequal: No Solution Moving to Node #0,4,3 Current State: 45:[10, 1], Operations: ['25-8=17', '17-16=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,45 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,45 unequal: No Solution Moving to Node #0,4,0 Current State: 45:[16, 27], Operations: ['25-8=17', '10+17=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,45 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,4,2 Current State: 45:[17, 26], Operations: ['25-8=17', '10+16=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,45 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[8, 10, 41], Operations: ['25+16=41'] Exploring Operation: 41-8=33, Resulting Numbers: [10, 33] Generated Node #0,1,0: 45:[10, 33] Operation: 41-8=33 Exploring Operation: 10-8=2, Resulting Numbers: [41, 2] Generated Node #0,1,1: 45:[41, 2] Operation: 10-8=2 Exploring Operation: 8+10=18, Resulting Numbers: [41, 18] Generated Node #0,1,2: 45:[41, 18] Operation: 8+10=18 Exploring Operation: 8+41=49, Resulting Numbers: [10, 49] Generated Node #0,1,3: 45:[10, 49] Operation: 8+41=49 Exploring Operation: 10+41=51, Resulting Numbers: [8, 51] Generated Node #0,1,4: 45:[8, 51] Operation: 10+41=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[41, 2], Operations: ['25+16=41', '10-8=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,45 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[10, 49], Operations: ['25+16=41', '8+41=49'] Exploring Operation: 10+49=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 10*49=490, Resulting Numbers: [490] 490,45 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[41, 18], Operations: ['25+16=41', '8+10=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 No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 45:[8, 51], Operations: ['25+16=41', '10+41=51'] Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[10, 33], Operations: ['25+16=41', '41-8=33'] Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,45 unequal: No Solution Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[8, 16, 35], Operations: ['25+10=35'] Exploring Operation: 35-16=19, Resulting Numbers: [8, 19] Generated Node #0,0,0: 45:[8, 19] Operation: 35-16=19 Exploring Operation: 16-8=8, Resulting Numbers: [35, 8] Generated Node #0,0,1: 45:[35, 8] Operation: 16-8=8 Exploring Operation: 8+35=43, Resulting Numbers: [16, 43] Generated Node #0,0,2: 45:[16, 43] Operation: 8+35=43 Exploring Operation: 16+35=51, Resulting Numbers: [8, 51] Generated Node #0,0,3: 45:[8, 51] Operation: 16+35=51 Exploring Operation: 16/8=2, Resulting Numbers: [35, 2] Generated Node #0,0,4: 45:[35, 2] Operation: 16/8=2 Moving to Node #0,0,2 Current State: 45:[16, 43], Operations: ['25+10=35', '8+35=43'] Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,45 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[8, 19], Operations: ['25+10=35', '35-16=19'] Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,45 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[8, 51], Operations: ['25+10=35', '16+35=51'] Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,45 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[35, 8], Operations: ['25+10=35', '16-8=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,45 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,45 unequal: No Solution Moving to Node #0,0,4 Current State: 45:[35, 2], Operations: ['25+10=35', '16/8=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 67, 29, 76, 69 ]
72
[ "76+69=145", "145/29=5", "67+5=72" ]
Current State: 72:[67, 29, 76, 69], Operations: [] Exploring Operation: 76+69=145, Resulting Numbers: [67, 29, 145] Generated Node #2: [67, 29, 145] from Operation: 76+69=145 Current State: 72:[67, 29, 145], Operations: ['76+69=145'] Exploring Operation: 145/29=5, Resulting Numbers: [67, 5] Generated Node #3: [67, 5] from Operation: 145/29=5 Current State: 72:[67, 5], Operations: ['76+69=145', '145/29=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[67, 29, 76, 69], Operations: [] Exploring Operation: 76-67=9, Resulting Numbers: [29, 69, 9] Generated Node #0,0: 72:[29, 69, 9] Operation: 76-67=9 Exploring Operation: 67-29=38, Resulting Numbers: [76, 69, 38] Generated Node #0,1: 72:[76, 69, 38] Operation: 67-29=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[29, 69, 9], Operations: ['76-67=9'] Exploring Operation: 29+9=38, Resulting Numbers: [69, 38] Generated Node #0,0,0: 72:[69, 38] Operation: 29+9=38 Exploring Operation: 69-29=40, Resulting Numbers: [9, 40] Generated Node #0,0,1: 72:[9, 40] Operation: 69-29=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[9, 40], Operations: ['76-67=9', '69-29=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[69, 38], Operations: ['76-67=9', '29+9=38'] Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,72 unequal: No Solution Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[76, 69, 38], Operations: ['67-29=38'] Exploring Operation: 76/38=2, Resulting Numbers: [69, 2] Generated Node #0,1,0: 72:[69, 2] Operation: 76/38=2 Exploring Operation: 76-69=7, Resulting Numbers: [38, 7] Generated Node #0,1,1: 72:[38, 7] Operation: 76-69=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[69, 2], Operations: ['67-29=38', '76/38=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,72 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[38, 7], Operations: ['67-29=38', '76-69=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 69, 48, 9, 5 ]
35
[ "69-48=21", "9+5=14", "21+14=35" ]
Current State: 35:[69, 48, 9, 5], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [9, 5, 21] Generated Node #2: [9, 5, 21] from Operation: 69-48=21 Current State: 35:[9, 5, 21], Operations: ['69-48=21'] Exploring Operation: 9+5=14, Resulting Numbers: [21, 14] Generated Node #3: [21, 14] from Operation: 9+5=14 Current State: 35:[21, 14], Operations: ['69-48=21', '9+5=14'] Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[69, 48, 9, 5], Operations: [] Exploring Operation: 69-9=60, Resulting Numbers: [48, 5, 60] Generated Node #0,0: 35:[48, 5, 60] Operation: 69-9=60 Exploring Operation: 48-9=39, Resulting Numbers: [69, 5, 39] Generated Node #0,1: 35:[69, 5, 39] Operation: 48-9=39 Exploring Operation: 69-48=21, Resulting Numbers: [9, 5, 21] Generated Node #0,2: 35:[9, 5, 21] Operation: 69-48=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[9, 5, 21], Operations: ['69-48=21'] Exploring Operation: 9+21=30, Resulting Numbers: [5, 30] Generated Node #0,2,0: 35:[5, 30] Operation: 9+21=30 Exploring Operation: 5+21=26, Resulting Numbers: [9, 26] Generated Node #0,2,1: 35:[9, 26] Operation: 5+21=26 Exploring Operation: 21-9=12, Resulting Numbers: [5, 12] Generated Node #0,2,2: 35:[5, 12] Operation: 21-9=12 Moving to Node #0,2,0 Current State: 35:[5, 30], Operations: ['69-48=21', '9+21=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[69, 48, 9, 5], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [9, 5, 21] Generated Node #0,2: 35:[9, 5, 21] Operation: 69-48=21 Moving to Node #0,2 Current State: 35:[9, 5, 21], Operations: ['69-48=21'] Exploring Operation: 9+21=30, Resulting Numbers: [5, 30] Generated Node #0,2,0: 35:[5, 30] Operation: 9+21=30 Moving to Node #0,2,0 Current State: 35:[5, 30], Operations: ['69-48=21', '9+21=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 57, 49, 75, 64 ]
67
[ "57-49=8", "64/8=8", "75-8=67" ]
Current State: 67:[57, 49, 75, 64], Operations: [] Exploring Operation: 57-49=8, Resulting Numbers: [75, 64, 8] Generated Node #2: [75, 64, 8] from Operation: 57-49=8 Current State: 67:[75, 64, 8], Operations: ['57-49=8'] Exploring Operation: 64/8=8, Resulting Numbers: [75, 8] Generated Node #3: [75, 8] from Operation: 64/8=8 Current State: 67:[75, 8], Operations: ['57-49=8', '64/8=8'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[57, 49, 75, 64], Operations: [] Exploring Operation: 57+49=106, Resulting Numbers: [75, 64, 106] Generated Node #0,0: 67:[75, 64, 106] Operation: 57+49=106 Exploring Operation: 75-49=26, Resulting Numbers: [57, 64, 26] Generated Node #0,1: 67:[57, 64, 26] Operation: 75-49=26 Moving to Node #0,0 Current State: 67:[75, 64, 106], Operations: ['57+49=106'] Exploring Operation: 106-75=31, Resulting Numbers: [64, 31] Generated Node #0,0,0: 67:[64, 31] Operation: 106-75=31 Exploring Operation: 106-64=42, Resulting Numbers: [75, 42] Generated Node #0,0,1: 67:[75, 42] Operation: 106-64=42 Moving to Node #0,1 Current State: 67:[57, 64, 26], Operations: ['75-49=26'] Exploring Operation: 64+26=90, Resulting Numbers: [57, 90] Generated Node #0,1,0: 67:[57, 90] Operation: 64+26=90 Exploring Operation: 57+26=83, Resulting Numbers: [64, 83] Generated Node #0,1,1: 67:[64, 83] Operation: 57+26=83 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[64, 83], Operations: ['75-49=26', '57+26=83'] Exploring Operation: 64+83=147, Resulting Numbers: [147] 147,67 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,67 unequal: No Solution No 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: 67:[57, 90], Operations: ['75-49=26', '64+26=90'] Exploring Operation: 90-57=33, Resulting Numbers: [33] 33,67 unequal: No Solution Exploring Operation: 57+90=147, Resulting Numbers: [147] 147,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 67:[75, 42], Operations: ['57+49=106', '106-64=42'] Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[64, 31], Operations: ['57+49=106', '106-75=31'] Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,67 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,67 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 29, 32, 3 ]
80
[ "86+29=115", "32+3=35", "115-35=80" ]
Current State: 80:[86, 29, 32, 3], Operations: [] Exploring Operation: 86+29=115, Resulting Numbers: [32, 3, 115] Generated Node #2: [32, 3, 115] from Operation: 86+29=115 Current State: 80:[32, 3, 115], Operations: ['86+29=115'] Exploring Operation: 32+3=35, Resulting Numbers: [115, 35] Generated Node #3: [115, 35] from Operation: 32+3=35 Current State: 80:[115, 35], Operations: ['86+29=115', '32+3=35'] Exploring Operation: 115-35=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[86, 29, 32, 3], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [86, 3, 3] Generated Node #0,0: 80:[86, 3, 3] Operation: 32-29=3 Exploring Operation: 86-3=83, Resulting Numbers: [29, 32, 83] Generated Node #0,1: 80:[29, 32, 83] Operation: 86-3=83 Exploring Operation: 29-3=26, Resulting Numbers: [86, 32, 26] Generated Node #0,2: 80:[86, 32, 26] Operation: 29-3=26 Moving to Node #0,0 Current State: 80:[86, 3, 3], Operations: ['32-29=3'] Exploring Operation: 86-3=83, Resulting Numbers: [3, 83] Generated Node #0,0,0: 80:[3, 83] Operation: 86-3=83 Exploring Operation: 3+3=6, Resulting Numbers: [86, 6] Generated Node #0,0,1: 80:[86, 6] Operation: 3+3=6 Exploring Operation: 86-3=83, Resulting Numbers: [3, 83] Generated Node #0,0,2: 80:[3, 83] Operation: 86-3=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[3, 83], Operations: ['32-29=3', '86-3=83'] Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,80 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[86, 29, 32, 3], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [86, 3, 3] Generated Node #0,0: 80:[86, 3, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 80:[86, 3, 3], Operations: ['32-29=3'] Exploring Operation: 86-3=83, Resulting Numbers: [3, 83] Generated Node #0,0,0: 80:[3, 83] Operation: 86-3=83 Moving to Node #0,0,0 Current State: 80:[3, 83], Operations: ['32-29=3', '86-3=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 70, 91, 8, 23 ]
56
[ "70+91=161", "8*161=1288", "1288/23=56" ]
Current State: 56:[70, 91, 8, 23], Operations: [] Exploring Operation: 70+91=161, Resulting Numbers: [8, 23, 161] Generated Node #2: [8, 23, 161] from Operation: 70+91=161 Current State: 56:[8, 23, 161], Operations: ['70+91=161'] Exploring Operation: 8*161=1288, Resulting Numbers: [23, 1288] Generated Node #3: [23, 1288] from Operation: 8*161=1288 Current State: 56:[23, 1288], Operations: ['70+91=161', '8*161=1288'] Exploring Operation: 1288/23=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[70, 91, 8, 23], Operations: [] Exploring Operation: 70-23=47, Resulting Numbers: [91, 8, 47] Generated Node #0,0: 56:[91, 8, 47] Operation: 70-23=47 Exploring Operation: 91-70=21, Resulting Numbers: [8, 23, 21] Generated Node #0,1: 56:[8, 23, 21] Operation: 91-70=21 Exploring Operation: 91-23=68, Resulting Numbers: [70, 8, 68] Generated Node #0,2: 56:[70, 8, 68] Operation: 91-23=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[8, 23, 21], Operations: ['91-70=21'] Exploring Operation: 23-21=2, Resulting Numbers: [8, 2] Generated Node #0,1,0: 56:[8, 2] Operation: 23-21=2 Exploring Operation: 8+21=29, Resulting Numbers: [23, 29] Generated Node #0,1,1: 56:[23, 29] Operation: 8+21=29 Exploring Operation: 21-8=13, Resulting Numbers: [23, 13] Generated Node #0,1,2: 56:[23, 13] Operation: 21-8=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[8, 2], Operations: ['91-70=21', '23-21=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[23, 29], Operations: ['91-70=21', '8+21=29'] Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,56 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,56 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[23, 13], Operations: ['91-70=21', '21-8=13'] Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 23*13=299, Resulting Numbers: [299] 299,56 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[70, 8, 68], Operations: ['91-23=68'] Exploring Operation: 70-8=62, Resulting Numbers: [68, 62] Generated Node #0,2,0: 56:[68, 62] Operation: 70-8=62 Exploring Operation: 70-68=2, Resulting Numbers: [8, 2] Generated Node #0,2,1: 56:[8, 2] Operation: 70-68=2 Exploring Operation: 68-8=60, Resulting Numbers: [70, 60] Generated Node #0,2,2: 56:[70, 60] Operation: 68-8=60 Moving to Node #0,2,1 Current State: 56:[8, 2], Operations: ['91-23=68', '70-68=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[68, 62], Operations: ['91-23=68', '70-8=62'] Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 68+62=130, Resulting Numbers: [130] 130,56 unequal: No Solution Exploring Operation: 68*62=4216, Resulting Numbers: [4216] 4216,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[70, 60], Operations: ['91-23=68', '68-8=60'] Exploring Operation: 70+60=130, Resulting Numbers: [130] 130,56 unequal: No Solution Exploring Operation: 70-60=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 70*60=4200, Resulting Numbers: [4200] 4200,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[91, 8, 47], Operations: ['70-23=47'] Exploring Operation: 8+47=55, Resulting Numbers: [91, 55] Generated Node #0,0,0: 56:[91, 55] Operation: 8+47=55 Exploring Operation: 91-8=83, Resulting Numbers: [47, 83] Generated Node #0,0,1: 56:[47, 83] Operation: 91-8=83 Exploring Operation: 91-47=44, Resulting Numbers: [8, 44] Generated Node #0,0,2: 56:[8, 44] Operation: 91-47=44 Moving to Node #0,0,2 Current State: 56:[8, 44], Operations: ['70-23=47', '91-47=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,56 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[91, 55], Operations: ['70-23=47', '8+47=55'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,56 unequal: No Solution Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[47, 83], Operations: ['70-23=47', '91-8=83'] Exploring Operation: 47+83=130, Resulting Numbers: [130] 130,56 unequal: No Solution Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 47*83=3901, Resulting Numbers: [3901] 3901,56 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
[ 22, 41, 33, 32 ]
20
[ "41-22=19", "33-32=1", "19+1=20" ]
Current State: 20:[22, 41, 33, 32], Operations: [] Exploring Operation: 41-22=19, Resulting Numbers: [33, 32, 19] Generated Node #2: [33, 32, 19] from Operation: 41-22=19 Current State: 20:[33, 32, 19], Operations: ['41-22=19'] Exploring Operation: 33-32=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 33-32=1 Current State: 20:[19, 1], Operations: ['41-22=19', '33-32=1'] Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[22, 41, 33, 32], Operations: [] Exploring Operation: 41-33=8, Resulting Numbers: [22, 32, 8] Generated Node #0,0: 20:[22, 32, 8] Operation: 41-33=8 Moving to Node #0,0 Current State: 20:[22, 32, 8], Operations: ['41-33=8'] Exploring Operation: 32-22=10, Resulting Numbers: [8, 10] Generated Node #0,0,0: 20:[8, 10] Operation: 32-22=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[8, 10], Operations: ['41-33=8', '32-22=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 43, 88, 2, 74 ]
94
[ "43+88=131", "74/2=37", "131-37=94" ]
Current State: 94:[43, 88, 2, 74], Operations: [] Exploring Operation: 43+88=131, Resulting Numbers: [2, 74, 131] Generated Node #2: [2, 74, 131] from Operation: 43+88=131 Current State: 94:[2, 74, 131], Operations: ['43+88=131'] Exploring Operation: 74/2=37, Resulting Numbers: [131, 37] Generated Node #3: [131, 37] from Operation: 74/2=37 Current State: 94:[131, 37], Operations: ['43+88=131', '74/2=37'] Exploring Operation: 131-37=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[43, 88, 2, 74], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [43, 88, 37] Generated Node #0,0: 94:[43, 88, 37] Operation: 74/2=37 Exploring Operation: 88-43=45, Resulting Numbers: [2, 74, 45] Generated Node #0,1: 94:[2, 74, 45] Operation: 88-43=45 Exploring Operation: 88-74=14, Resulting Numbers: [43, 2, 14] Generated Node #0,2: 94:[43, 2, 14] Operation: 88-74=14 Moving to Node #0,2 Current State: 94:[43, 2, 14], Operations: ['88-74=14'] Exploring Operation: 43+14=57, Resulting Numbers: [2, 57] Generated Node #0,2,0: 94:[2, 57] Operation: 43+14=57 Exploring Operation: 43+2=45, Resulting Numbers: [14, 45] Generated Node #0,2,1: 94:[14, 45] Operation: 43+2=45 Exploring Operation: 14/2=7, Resulting Numbers: [43, 7] Generated Node #0,2,2: 94:[43, 7] Operation: 14/2=7 Moving to Node #0,0 Current State: 94:[43, 88, 37], Operations: ['74/2=37'] Exploring Operation: 43-37=6, Resulting Numbers: [88, 6] Generated Node #0,0,0: 94:[88, 6] Operation: 43-37=6 Exploring Operation: 88-37=51, Resulting Numbers: [43, 51] Generated Node #0,0,1: 94:[43, 51] Operation: 88-37=51 Exploring Operation: 88-43=45, Resulting Numbers: [37, 45] Generated Node #0,0,2: 94:[37, 45] Operation: 88-43=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[43, 51], Operations: ['74/2=37', '88-37=51'] Exploring Operation: 43*51=2193, Resulting Numbers: [2193] 2193,94 unequal: No Solution Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[43, 88, 2, 74], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [43, 88, 37] Generated Node #0,0: 94:[43, 88, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 94:[43, 88, 37], Operations: ['74/2=37'] Exploring Operation: 88-37=51, Resulting Numbers: [43, 51] Generated Node #0,0,1: 94:[43, 51] Operation: 88-37=51 Moving to Node #0,0,1 Current State: 94:[43, 51], Operations: ['74/2=37', '88-37=51'] Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 26, 14, 20, 82 ]
90
[ "26-14=12", "20+82=102", "102-12=90" ]
Current State: 90:[26, 14, 20, 82], Operations: [] Exploring Operation: 26-14=12, Resulting Numbers: [20, 82, 12] Generated Node #2: [20, 82, 12] from Operation: 26-14=12 Current State: 90:[20, 82, 12], Operations: ['26-14=12'] Exploring Operation: 20+82=102, Resulting Numbers: [12, 102] Generated Node #3: [12, 102] from Operation: 20+82=102 Current State: 90:[12, 102], Operations: ['26-14=12', '20+82=102'] Exploring Operation: 102-12=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[26, 14, 20, 82], Operations: [] Exploring Operation: 26+20=46, Resulting Numbers: [14, 82, 46] Generated Node #0,0: 90:[14, 82, 46] Operation: 26+20=46 Exploring Operation: 20-14=6, Resulting Numbers: [26, 82, 6] Generated Node #0,1: 90:[26, 82, 6] Operation: 20-14=6 Exploring Operation: 26-14=12, Resulting Numbers: [20, 82, 12] Generated Node #0,2: 90:[20, 82, 12] Operation: 26-14=12 Exploring Operation: 26-20=6, Resulting Numbers: [14, 82, 6] Generated Node #0,3: 90:[14, 82, 6] Operation: 26-20=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[14, 82, 6], Operations: ['26-20=6'] Exploring Operation: 14+82=96, Resulting Numbers: [6, 96] Generated Node #0,3,0: 90:[6, 96] Operation: 14+82=96 Exploring Operation: 14+6=20, Resulting Numbers: [82, 20] Generated Node #0,3,1: 90:[82, 20] Operation: 14+6=20 Exploring Operation: 82+6=88, Resulting Numbers: [14, 88] Generated Node #0,3,2: 90:[14, 88] Operation: 82+6=88 Exploring Operation: 14-6=8, Resulting Numbers: [82, 8] Generated Node #0,3,3: 90:[82, 8] Operation: 14-6=8 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[14, 88], Operations: ['26-20=6', '82+6=88'] Exploring Operation: 14+88=102, Resulting Numbers: [102] 102,90 unequal: No Solution Exploring Operation: 14*88=1232, Resulting Numbers: [1232] 1232,90 unequal: No Solution Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,90 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 #0,3,0 Current State: 90:[6, 96], Operations: ['26-20=6', '14+82=96'] Exploring Operation: 6*96=576, Resulting Numbers: [576] 576,90 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[26, 14, 20, 82], Operations: [] Exploring Operation: 26-20=6, Resulting Numbers: [14, 82, 6] Generated Node #0,3: 90:[14, 82, 6] Operation: 26-20=6 Moving to Node #0,3 Current State: 90:[14, 82, 6], Operations: ['26-20=6'] Exploring Operation: 14+82=96, Resulting Numbers: [6, 96] Generated Node #0,3,0: 90:[6, 96] Operation: 14+82=96 Moving to Node #0,3,0 Current State: 90:[6, 96], Operations: ['26-20=6', '14+82=96'] Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 16, 24, 34, 36 ]
16
[ "24-16=8", "36-34=2", "8*2=16" ]
Current State: 16:[16, 24, 34, 36], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [34, 36, 8] Generated Node #2: [34, 36, 8] from Operation: 24-16=8 Current State: 16:[34, 36, 8], Operations: ['24-16=8'] Exploring Operation: 36-34=2, Resulting Numbers: [8, 2] Generated Node #3: [8, 2] from Operation: 36-34=2 Current State: 16:[8, 2], Operations: ['24-16=8', '36-34=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[16, 24, 34, 36], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [16, 24, 2] Generated Node #0,0: 16:[16, 24, 2] Operation: 36-34=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[16, 24, 2], Operations: ['36-34=2'] Exploring Operation: 24-16=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 16:[2, 8] Operation: 24-16=8 Moving to Node #0,0,0 Current State: 16:[2, 8], Operations: ['36-34=2', '24-16=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[16, 24, 34, 36], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [16, 24, 2] Generated Node #0,0: 16:[16, 24, 2] Operation: 36-34=2 Moving to Node #0,0 Current State: 16:[16, 24, 2], Operations: ['36-34=2'] Exploring Operation: 24-16=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 16:[2, 8] Operation: 24-16=8 Moving to Node #0,0,0 Current State: 16:[2, 8], Operations: ['36-34=2', '24-16=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 3, 32, 4, 90 ]
41
[ "90-3=87", "32*4=128", "128-87=41" ]
Current State: 41:[3, 32, 4, 90], Operations: [] Exploring Operation: 90-3=87, Resulting Numbers: [32, 4, 87] Generated Node #2: [32, 4, 87] from Operation: 90-3=87 Current State: 41:[32, 4, 87], Operations: ['90-3=87'] Exploring Operation: 32*4=128, Resulting Numbers: [87, 128] Generated Node #3: [87, 128] from Operation: 32*4=128 Current State: 41:[87, 128], Operations: ['90-3=87', '32*4=128'] Exploring Operation: 128-87=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[3, 32, 4, 90], Operations: [] Exploring Operation: 3+32=35, Resulting Numbers: [4, 90, 35] Generated Node #0,0: 41:[4, 90, 35] Operation: 3+32=35 Exploring Operation: 90/3=30, Resulting Numbers: [32, 4, 30] Generated Node #0,1: 41:[32, 4, 30] Operation: 90/3=30 Exploring Operation: 3+4=7, Resulting Numbers: [32, 90, 7] Generated Node #0,2: 41:[32, 90, 7] Operation: 3+4=7 Exploring Operation: 3*4=12, Resulting Numbers: [32, 90, 12] Generated Node #0,3: 41:[32, 90, 12] Operation: 3*4=12 Moving to Node #0,1 Current State: 41:[32, 4, 30], Operations: ['90/3=30'] Exploring Operation: 32-4=28, Resulting Numbers: [30, 28] Generated Node #0,1,0: 41:[30, 28] Operation: 32-4=28 Exploring Operation: 32+4=36, Resulting Numbers: [30, 36] Generated Node #0,1,1: 41:[30, 36] Operation: 32+4=36 Exploring Operation: 30-4=26, Resulting Numbers: [32, 26] Generated Node #0,1,2: 41:[32, 26] Operation: 30-4=26 Exploring Operation: 4+30=34, Resulting Numbers: [32, 34] Generated Node #0,1,3: 41:[32, 34] Operation: 4+30=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[30, 36], Operations: ['90/3=30', '32+4=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,41 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:[32, 34], Operations: ['90/3=30', '4+30=34'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,41 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:[30, 28], Operations: ['90/3=30', '32-4=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,41 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,41 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,41 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:[32, 26], Operations: ['90/3=30', '30-4=26'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 32*26=832, Resulting Numbers: [832] 832,41 unequal: No Solution Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,41 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:[32, 90, 12], Operations: ['3*4=12'] Exploring Operation: 32-12=20, Resulting Numbers: [90, 20] Generated Node #0,3,0: 41:[90, 20] Operation: 32-12=20 Exploring Operation: 90-12=78, Resulting Numbers: [32, 78] Generated Node #0,3,1: 41:[32, 78] Operation: 90-12=78 Exploring Operation: 32+12=44, Resulting Numbers: [90, 44] Generated Node #0,3,2: 41:[90, 44] Operation: 32+12=44 Exploring Operation: 90-32=58, Resulting Numbers: [12, 58] Generated Node #0,3,3: 41:[12, 58] Operation: 90-32=58 Moving to Node #0,2 Current State: 41:[32, 90, 7], Operations: ['3+4=7'] Exploring Operation: 90-32=58, Resulting Numbers: [7, 58] Generated Node #0,2,0: 41:[7, 58] Operation: 90-32=58 Exploring Operation: 90-7=83, Resulting Numbers: [32, 83] Generated Node #0,2,1: 41:[32, 83] Operation: 90-7=83 Exploring Operation: 32+7=39, Resulting Numbers: [90, 39] Generated Node #0,2,2: 41:[90, 39] Operation: 32+7=39 Exploring Operation: 32-7=25, Resulting Numbers: [90, 25] Generated Node #0,2,3: 41:[90, 25] Operation: 32-7=25 Moving to Node #0,0 Current State: 41:[4, 90, 35], Operations: ['3+32=35'] Exploring Operation: 4+90=94, Resulting Numbers: [35, 94] Generated Node #0,0,0: 41:[35, 94] Operation: 4+90=94 Exploring Operation: 90-4=86, Resulting Numbers: [35, 86] Generated Node #0,0,1: 41:[35, 86] Operation: 90-4=86 Exploring Operation: 4+35=39, Resulting Numbers: [90, 39] Generated Node #0,0,2: 41:[90, 39] Operation: 4+35=39 Exploring Operation: 90-35=55, Resulting Numbers: [4, 55] Generated Node #0,0,3: 41:[4, 55] Operation: 90-35=55 Moving to Node #0,3,1 Current State: 41:[32, 78], Operations: ['3*4=12', '90-12=78'] Exploring Operation: 78-32=46, Resulting Numbers: [46] 46,41 unequal: No Solution Exploring Operation: 32+78=110, Resulting Numbers: [110] 110,41 unequal: No Solution Exploring Operation: 32*78=2496, Resulting Numbers: [2496] 2496,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[12, 58], Operations: ['3*4=12', '90-32=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,41 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,41 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[32, 83], Operations: ['3+4=7', '90-7=83'] Exploring Operation: 32*83=2656, Resulting Numbers: [2656] 2656,41 unequal: No Solution Exploring Operation: 32+83=115, Resulting Numbers: [115] 115,41 unequal: No Solution Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[90, 39], Operations: ['3+4=7', '32+7=39'] Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 90+39=129, Resulting Numbers: [129] 129,41 unequal: No Solution Exploring Operation: 90*39=3510, Resulting Numbers: [3510] 3510,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[90, 39], Operations: ['3+32=35', '4+35=39'] Exploring Operation: 90+39=129, Resulting Numbers: [129] 129,41 unequal: No Solution Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 90*39=3510, Resulting Numbers: [3510] 3510,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[7, 58], Operations: ['3+4=7', '90-32=58'] Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,41 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[4, 55], Operations: ['3+32=35', '90-35=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,41 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[35, 86], Operations: ['3+32=35', '90-4=86'] Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,41 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,41 unequal: No Solution Moving to Node #0,3,2 Current State: 41:[90, 44], Operations: ['3*4=12', '32+12=44'] Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,41 unequal: No Solution Exploring Operation: 90*44=3960, Resulting Numbers: [3960] 3960,41 unequal: No Solution Exploring Operation: 90+44=134, Resulting Numbers: [134] 134,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[35, 94], Operations: ['3+32=35', '4+90=94'] Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,41 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[90, 25], Operations: ['3+4=7', '32-7=25'] Exploring Operation: 90*25=2250, Resulting Numbers: [2250] 2250,41 unequal: No Solution Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 90+25=115, Resulting Numbers: [115] 115,41 unequal: No Solution Moving to Node #0,3,0 Current State: 41:[90, 20], Operations: ['3*4=12', '32-12=20'] Exploring Operation: 90+20=110, Resulting Numbers: [110] 110,41 unequal: No Solution Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,41 unequal: No Solution Exploring Operation: 90*20=1800, Resulting Numbers: [1800] 1800,41 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 27, 14, 29, 34 ]
82
[ "29-27=2", "34*2=68", "14+68=82" ]
Current State: 82:[27, 14, 29, 34], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [14, 34, 2] Generated Node #2: [14, 34, 2] from Operation: 29-27=2 Current State: 82:[14, 34, 2], Operations: ['29-27=2'] Exploring Operation: 34*2=68, Resulting Numbers: [14, 68] Generated Node #3: [14, 68] from Operation: 34*2=68 Current State: 82:[14, 68], Operations: ['29-27=2', '34*2=68'] Exploring Operation: 14+68=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[27, 14, 29, 34], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [14, 34, 2] Generated Node #0,0: 82:[14, 34, 2] Operation: 29-27=2 Exploring Operation: 27+14=41, Resulting Numbers: [29, 34, 41] Generated Node #0,1: 82:[29, 34, 41] Operation: 27+14=41 Moving to Node #0,0 Current State: 82:[14, 34, 2], Operations: ['29-27=2'] Exploring Operation: 14+34=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 82:[2, 48] Operation: 14+34=48 Exploring Operation: 14/2=7, Resulting Numbers: [34, 7] Generated Node #0,0,1: 82:[34, 7] Operation: 14/2=7 Moving to Node #0,1 Current State: 82:[29, 34, 41], Operations: ['27+14=41'] Exploring Operation: 34-29=5, Resulting Numbers: [41, 5] Generated Node #0,1,0: 82:[41, 5] Operation: 34-29=5 Exploring Operation: 41-29=12, Resulting Numbers: [34, 12] Generated Node #0,1,1: 82:[34, 12] Operation: 41-29=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[41, 5], Operations: ['27+14=41', '34-29=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,82 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[34, 12], Operations: ['27+14=41', '41-29=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,82 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,82 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: 82:[2, 48], Operations: ['29-27=2', '14+34=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[34, 7], Operations: ['29-27=2', '14/2=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,82 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 13, 56, 88 ]
84
[ "1+13=14", "56/14=4", "88-4=84" ]
Current State: 84:[1, 13, 56, 88], Operations: [] Exploring Operation: 1+13=14, Resulting Numbers: [56, 88, 14] Generated Node #2: [56, 88, 14] from Operation: 1+13=14 Current State: 84:[56, 88, 14], Operations: ['1+13=14'] Exploring Operation: 56/14=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 56/14=4 Current State: 84:[88, 4], Operations: ['1+13=14', '56/14=4'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[1, 13, 56, 88], Operations: [] Exploring Operation: 56-13=43, Resulting Numbers: [1, 88, 43] Generated Node #0,0: 84:[1, 88, 43] Operation: 56-13=43 Exploring Operation: 1+13=14, Resulting Numbers: [56, 88, 14] Generated Node #0,1: 84:[56, 88, 14] Operation: 1+13=14 Exploring Operation: 88-56=32, Resulting Numbers: [1, 13, 32] Generated Node #0,2: 84:[1, 13, 32] Operation: 88-56=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[1, 88, 43], Operations: ['56-13=43'] Exploring Operation: 88-43=45, Resulting Numbers: [1, 45] Generated Node #0,0,0: 84:[1, 45] Operation: 88-43=45 Exploring Operation: 43-1=42, Resulting Numbers: [88, 42] Generated Node #0,0,1: 84:[88, 42] Operation: 43-1=42 Exploring Operation: 88-1=87, Resulting Numbers: [43, 87] Generated Node #0,0,2: 84:[43, 87] Operation: 88-1=87 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[1, 45], Operations: ['56-13=43', '88-43=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,84 unequal: No Solution No 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: 84:[88, 42], Operations: ['56-13=43', '43-1=42'] Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,84 unequal: No Solution Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,84 unequal: No Solution No 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: 84:[43, 87], Operations: ['56-13=43', '88-1=87'] Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,84 unequal: No Solution Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,84 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,84 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: 84:[1, 13, 32], Operations: ['88-56=32'] Exploring Operation: 1+13=14, Resulting Numbers: [32, 14] Generated Node #0,2,0: 84:[32, 14] Operation: 1+13=14 Exploring Operation: 32-13=19, Resulting Numbers: [1, 19] Generated Node #0,2,1: 84:[1, 19] Operation: 32-13=19 Exploring Operation: 13-1=12, Resulting Numbers: [32, 12] Generated Node #0,2,2: 84:[32, 12] Operation: 13-1=12 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[1, 19], Operations: ['88-56=32', '32-13=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,84 unequal: No Solution No 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: 84:[32, 14], Operations: ['88-56=32', '1+13=14'] Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,84 unequal: No Solution No 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: 84:[32, 12], Operations: ['88-56=32', '13-1=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,84 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,84 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: 84:[56, 88, 14], Operations: ['1+13=14'] Exploring Operation: 56/14=4, Resulting Numbers: [88, 4] Generated Node #0,1,0: 84:[88, 4] Operation: 56/14=4 Exploring Operation: 88-56=32, Resulting Numbers: [14, 32] Generated Node #0,1,1: 84:[14, 32] Operation: 88-56=32 Exploring Operation: 56-14=42, Resulting Numbers: [88, 42] Generated Node #0,1,2: 84:[88, 42] Operation: 56-14=42 Moving to Node #0,1,0 Current State: 84:[88, 4], Operations: ['1+13=14', '56/14=4'] Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,84 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[1, 13, 56, 88], Operations: [] Exploring Operation: 1+13=14, Resulting Numbers: [56, 88, 14] Generated Node #0,1: 84:[56, 88, 14] Operation: 1+13=14 Moving to Node #0,1 Current State: 84:[56, 88, 14], Operations: ['1+13=14'] Exploring Operation: 56/14=4, Resulting Numbers: [88, 4] Generated Node #0,1,0: 84:[88, 4] Operation: 56/14=4 Moving to Node #0,1,0 Current State: 84:[88, 4], Operations: ['1+13=14', '56/14=4'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 95, 80, 58, 24 ]
49
[ "95-80=15", "58-24=34", "15+34=49" ]
Current State: 49:[95, 80, 58, 24], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [58, 24, 15] Generated Node #2: [58, 24, 15] from Operation: 95-80=15 Current State: 49:[58, 24, 15], Operations: ['95-80=15'] Exploring Operation: 58-24=34, Resulting Numbers: [15, 34] Generated Node #3: [15, 34] from Operation: 58-24=34 Current State: 49:[15, 34], Operations: ['95-80=15', '58-24=34'] Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[95, 80, 58, 24], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [58, 24, 15] Generated Node #0,0: 49:[58, 24, 15] Operation: 95-80=15 Exploring Operation: 95-58=37, Resulting Numbers: [80, 24, 37] Generated Node #0,1: 49:[80, 24, 37] Operation: 95-58=37 Moving to Node #0,0 Current State: 49:[58, 24, 15], Operations: ['95-80=15'] Exploring Operation: 24-15=9, Resulting Numbers: [58, 9] Generated Node #0,0,0: 49:[58, 9] Operation: 24-15=9 Exploring Operation: 24+15=39, Resulting Numbers: [58, 39] Generated Node #0,0,1: 49:[58, 39] Operation: 24+15=39 Moving to Node #0,1 Current State: 49:[80, 24, 37], Operations: ['95-58=37'] Exploring Operation: 80-24=56, Resulting Numbers: [37, 56] Generated Node #0,1,0: 49:[37, 56] Operation: 80-24=56 Exploring Operation: 80-37=43, Resulting Numbers: [24, 43] Generated Node #0,1,1: 49:[24, 43] Operation: 80-37=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[37, 56], Operations: ['95-58=37', '80-24=56'] Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,49 unequal: No Solution No 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: 49:[24, 43], Operations: ['95-58=37', '80-37=43'] Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,49 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: 49:[58, 9], Operations: ['95-80=15', '24-15=9'] Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[95, 80, 58, 24], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [58, 24, 15] Generated Node #0,0: 49:[58, 24, 15] Operation: 95-80=15 Moving to Node #0,0 Current State: 49:[58, 24, 15], Operations: ['95-80=15'] Exploring Operation: 24-15=9, Resulting Numbers: [58, 9] Generated Node #0,0,0: 49:[58, 9] Operation: 24-15=9 Moving to Node #0,0,0 Current State: 49:[58, 9], Operations: ['95-80=15', '24-15=9'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 45, 9, 67, 27 ]
58
[ "45-9=36", "67+27=94", "94-36=58" ]
Current State: 58:[45, 9, 67, 27], Operations: [] Exploring Operation: 45-9=36, Resulting Numbers: [67, 27, 36] Generated Node #2: [67, 27, 36] from Operation: 45-9=36 Current State: 58:[67, 27, 36], Operations: ['45-9=36'] Exploring Operation: 67+27=94, Resulting Numbers: [36, 94] Generated Node #3: [36, 94] from Operation: 67+27=94 Current State: 58:[36, 94], Operations: ['45-9=36', '67+27=94'] Exploring Operation: 94-36=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[45, 9, 67, 27], Operations: [] Exploring Operation: 45+9=54, Resulting Numbers: [67, 27, 54] Generated Node #0,0: 58:[67, 27, 54] Operation: 45+9=54 Exploring Operation: 45/9=5, Resulting Numbers: [67, 27, 5] Generated Node #0,1: 58:[67, 27, 5] Operation: 45/9=5 Moving to Node #0,1 Current State: 58:[67, 27, 5], Operations: ['45/9=5'] Exploring Operation: 27+5=32, Resulting Numbers: [67, 32] Generated Node #0,1,0: 58:[67, 32] Operation: 27+5=32 Exploring Operation: 67-5=62, Resulting Numbers: [27, 62] Generated Node #0,1,1: 58:[27, 62] Operation: 67-5=62 Moving to Node #0,0 Current State: 58:[67, 27, 54], Operations: ['45+9=54'] Exploring Operation: 54-27=27, Resulting Numbers: [67, 27] Generated Node #0,0,0: 58:[67, 27] Operation: 54-27=27 Exploring Operation: 54/27=2, Resulting Numbers: [67, 2] Generated Node #0,0,1: 58:[67, 2] Operation: 54/27=2 Moving to Node #0,1,1 Current State: 58:[27, 62], Operations: ['45/9=5', '67-5=62'] Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[67, 2], Operations: ['45+9=54', '54/27=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[67, 27], Operations: ['45+9=54', '54-27=27'] Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,58 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[67, 32], Operations: ['45/9=5', '27+5=32'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 26, 1, 65, 4 ]
42
[ "26+1=27", "65+4=69", "69-27=42" ]
Current State: 42:[26, 1, 65, 4], Operations: [] Exploring Operation: 26+1=27, Resulting Numbers: [65, 4, 27] Generated Node #2: [65, 4, 27] from Operation: 26+1=27 Current State: 42:[65, 4, 27], Operations: ['26+1=27'] Exploring Operation: 65+4=69, Resulting Numbers: [27, 69] Generated Node #3: [27, 69] from Operation: 65+4=69 Current State: 42:[27, 69], Operations: ['26+1=27', '65+4=69'] Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[26, 1, 65, 4], Operations: [] Exploring Operation: 26-4=22, Resulting Numbers: [1, 65, 22] Generated Node #0,0: 42:[1, 65, 22] Operation: 26-4=22 Exploring Operation: 26-1=25, Resulting Numbers: [65, 4, 25] Generated Node #0,1: 42:[65, 4, 25] Operation: 26-1=25 Exploring Operation: 65-26=39, Resulting Numbers: [1, 4, 39] Generated Node #0,2: 42:[1, 4, 39] Operation: 65-26=39 Exploring Operation: 65-4=61, Resulting Numbers: [26, 1, 61] Generated Node #0,3: 42:[26, 1, 61] Operation: 65-4=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[1, 4, 39], Operations: ['65-26=39'] Exploring Operation: 4-1=3, Resulting Numbers: [39, 3] Generated Node #0,2,0: 42:[39, 3] Operation: 4-1=3 Exploring Operation: 1+4=5, Resulting Numbers: [39, 5] Generated Node #0,2,1: 42:[39, 5] Operation: 1+4=5 Exploring Operation: 1+39=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 42:[4, 40] Operation: 1+39=40 Exploring Operation: 4+39=43, Resulting Numbers: [1, 43] Generated Node #0,2,3: 42:[1, 43] Operation: 4+39=43 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 42:[1, 43], Operations: ['65-26=39', '4+39=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[26, 1, 65, 4], Operations: [] Exploring Operation: 65-26=39, Resulting Numbers: [1, 4, 39] Generated Node #0,2: 42:[1, 4, 39] Operation: 65-26=39 Moving to Node #0,2 Current State: 42:[1, 4, 39], Operations: ['65-26=39'] Exploring Operation: 4+39=43, Resulting Numbers: [1, 43] Generated Node #0,2,3: 42:[1, 43] Operation: 4+39=43 Moving to Node #0,2,3 Current State: 42:[1, 43], Operations: ['65-26=39', '4+39=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 2, 14, 39, 71 ]
20
[ "14-2=12", "71-39=32", "32-12=20" ]
Current State: 20:[2, 14, 39, 71], Operations: [] Exploring Operation: 14-2=12, Resulting Numbers: [39, 71, 12] Generated Node #2: [39, 71, 12] from Operation: 14-2=12 Current State: 20:[39, 71, 12], Operations: ['14-2=12'] Exploring Operation: 71-39=32, Resulting Numbers: [12, 32] Generated Node #3: [12, 32] from Operation: 71-39=32 Current State: 20:[12, 32], Operations: ['14-2=12', '71-39=32'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 14, 39, 71], Operations: [] Exploring Operation: 71-39=32, Resulting Numbers: [2, 14, 32] Generated Node #0,0: 20:[2, 14, 32] Operation: 71-39=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 14, 32], Operations: ['71-39=32'] Exploring Operation: 32-14=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 32-14=18 Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['71-39=32', '32-14=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[2, 14, 39, 71], Operations: [] Exploring Operation: 71-39=32, Resulting Numbers: [2, 14, 32] Generated Node #0,0: 20:[2, 14, 32] Operation: 71-39=32 Moving to Node #0,0 Current State: 20:[2, 14, 32], Operations: ['71-39=32'] Exploring Operation: 32-14=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 32-14=18 Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['71-39=32', '32-14=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 33, 8, 56, 77 ]
20
[ "33+8=41", "77-56=21", "41-21=20" ]
Current State: 20:[33, 8, 56, 77], Operations: [] Exploring Operation: 33+8=41, Resulting Numbers: [56, 77, 41] Generated Node #2: [56, 77, 41] from Operation: 33+8=41 Current State: 20:[56, 77, 41], Operations: ['33+8=41'] Exploring Operation: 77-56=21, Resulting Numbers: [41, 21] Generated Node #3: [41, 21] from Operation: 77-56=21 Current State: 20:[41, 21], Operations: ['33+8=41', '77-56=21'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[33, 8, 56, 77], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [33, 8, 21] Generated Node #0,0: 20:[33, 8, 21] Operation: 77-56=21 Moving to Node #0,0 Current State: 20:[33, 8, 21], Operations: ['77-56=21'] Exploring Operation: 33-21=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 20:[8, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[8, 12], Operations: ['77-56=21', '33-21=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[33, 8, 56, 77], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [33, 8, 21] Generated Node #0,0: 20:[33, 8, 21] Operation: 77-56=21 Moving to Node #0,0 Current State: 20:[33, 8, 21], Operations: ['77-56=21'] Exploring Operation: 33-21=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 20:[8, 12] Operation: 33-21=12 Moving to Node #0,0,0 Current State: 20:[8, 12], Operations: ['77-56=21', '33-21=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 68, 94, 94, 33 ]
87
[ "94-68=26", "94-33=61", "26+61=87" ]
Current State: 87:[68, 94, 94, 33], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [33, 26] Generated Node #2: [33, 26] from Operation: 94-68=26 Current State: 87:[33, 26], Operations: ['94-68=26'] Exploring Operation: 94-33=61, Resulting Numbers: [26, 61] Generated Node #3: [26, 61] from Operation: 94-33=61 Current State: 87:[26, 61], Operations: ['94-68=26', '94-33=61'] Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[68, 94, 94, 33], Operations: [] Exploring Operation: 68-33=35, Resulting Numbers: [94, 94, 35] Generated Node #0,0: 87:[94, 94, 35] Operation: 68-33=35 Exploring Operation: 94-68=26, Resulting Numbers: [94, 33, 26] Generated Node #0,1: 87:[94, 33, 26] Operation: 94-68=26 Exploring Operation: 94-68=26, Resulting Numbers: [94, 33, 26] Generated Node #0,2: 87:[94, 33, 26] Operation: 94-68=26 Moving to Node #0,1 Current State: 87:[94, 33, 26], Operations: ['94-68=26'] Exploring Operation: 94-26=68, Resulting Numbers: [33, 68] Generated Node #0,1,0: 87:[33, 68] Operation: 94-26=68 Exploring Operation: 33-26=7, Resulting Numbers: [94, 7] Generated Node #0,1,1: 87:[94, 7] Operation: 33-26=7 Exploring Operation: 94-33=61, Resulting Numbers: [26, 61] Generated Node #0,1,2: 87:[26, 61] Operation: 94-33=61 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[94, 7], Operations: ['94-68=26', '33-26=7'] Exploring Operation: 94*7=658, Resulting Numbers: [658] 658,87 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[68, 94, 94, 33], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [94, 33, 26] Generated Node #0,1: 87:[94, 33, 26] Operation: 94-68=26 Moving to Node #0,1 Current State: 87:[94, 33, 26], Operations: ['94-68=26'] Exploring Operation: 33-26=7, Resulting Numbers: [94, 7] Generated Node #0,1,1: 87:[94, 7] Operation: 33-26=7 Moving to Node #0,1,1 Current State: 87:[94, 7], Operations: ['94-68=26', '33-26=7'] Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 9, 55, 90, 46 ]
91
[ "55-9=46", "46/46=1", "90+1=91" ]
Current State: 91:[9, 55, 90, 46], Operations: [] Exploring Operation: 55-9=46, Resulting Numbers: [90, 46, 46] Generated Node #2: [90, 46, 46] from Operation: 55-9=46 Current State: 91:[90, 46, 46], Operations: ['55-9=46'] Exploring Operation: 46/46=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 46/46=1 Current State: 91:[90, 1], Operations: ['55-9=46', '46/46=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[9, 55, 90, 46], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [9, 46, 35] Generated Node #0,0: 91:[9, 46, 35] Operation: 90-55=35 Exploring Operation: 55+46=101, Resulting Numbers: [9, 90, 101] Generated Node #0,1: 91:[9, 90, 101] Operation: 55+46=101 Exploring Operation: 55-46=9, Resulting Numbers: [9, 90, 9] Generated Node #0,2: 91:[9, 90, 9] Operation: 55-46=9 Moving to Node #0,2 Current State: 91:[9, 90, 9], Operations: ['55-46=9'] Exploring Operation: 90/9=10, Resulting Numbers: [9, 10] Generated Node #0,2,0: 91:[9, 10] Operation: 90/9=10 Exploring Operation: 90/9=10, Resulting Numbers: [9, 10] Generated Node #0,2,1: 91:[9, 10] Operation: 90/9=10 Exploring Operation: 9+9=18, Resulting Numbers: [90, 18] Generated Node #0,2,2: 91:[90, 18] Operation: 9+9=18 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[9, 10], Operations: ['55-46=9', '90/9=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[9, 10], Operations: ['55-46=9', '90/9=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[90, 18], Operations: ['55-46=9', '9+9=18'] Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,91 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 91:[9, 90, 101], Operations: ['55+46=101'] Exploring Operation: 90/9=10, Resulting Numbers: [101, 10] Generated Node #0,1,0: 91:[101, 10] Operation: 90/9=10 Exploring Operation: 101-9=92, Resulting Numbers: [90, 92] Generated Node #0,1,1: 91:[90, 92] Operation: 101-9=92 Exploring Operation: 101-90=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 91:[9, 11] Operation: 101-90=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[90, 92], Operations: ['55+46=101', '101-9=92'] Exploring Operation: 90*92=8280, Resulting Numbers: [8280] 8280,91 unequal: No Solution Exploring Operation: 90+92=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[9, 11], Operations: ['55+46=101', '101-90=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[101, 10], Operations: ['55+46=101', '90/9=10'] Exploring Operation: 101*10=1010, Resulting Numbers: [1010] 1010,91 unequal: No Solution Exploring Operation: 101+10=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[9, 55, 90, 46], Operations: [] Exploring Operation: 55+46=101, Resulting Numbers: [9, 90, 101] Generated Node #0,1: 91:[9, 90, 101] Operation: 55+46=101 Moving to Node #0,1 Current State: 91:[9, 90, 101], Operations: ['55+46=101'] Exploring Operation: 90/9=10, Resulting Numbers: [101, 10] Generated Node #0,1,0: 91:[101, 10] Operation: 90/9=10 Moving to Node #0,1,0 Current State: 91:[101, 10], Operations: ['55+46=101', '90/9=10'] Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 49, 99, 20, 83 ]
53
[ "99-49=50", "20+83=103", "103-50=53" ]
Current State: 53:[49, 99, 20, 83], Operations: [] Exploring Operation: 99-49=50, Resulting Numbers: [20, 83, 50] Generated Node #2: [20, 83, 50] from Operation: 99-49=50 Current State: 53:[20, 83, 50], Operations: ['99-49=50'] Exploring Operation: 20+83=103, Resulting Numbers: [50, 103] Generated Node #3: [50, 103] from Operation: 20+83=103 Current State: 53:[50, 103], Operations: ['99-49=50', '20+83=103'] Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[49, 99, 20, 83], Operations: [] Exploring Operation: 83-20=63, Resulting Numbers: [49, 99, 63] Generated Node #0,0: 53:[49, 99, 63] Operation: 83-20=63 Exploring Operation: 99-20=79, Resulting Numbers: [49, 83, 79] Generated Node #0,1: 53:[49, 83, 79] Operation: 99-20=79 Moving to Node #0,0 Current State: 53:[49, 99, 63], Operations: ['83-20=63'] Exploring Operation: 99-63=36, Resulting Numbers: [49, 36] Generated Node #0,0,0: 53:[49, 36] Operation: 99-63=36 Exploring Operation: 99-49=50, Resulting Numbers: [63, 50] Generated Node #0,0,1: 53:[63, 50] Operation: 99-49=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[63, 50], Operations: ['83-20=63', '99-49=50'] Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,53 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 #0,0,0 Current State: 53:[49, 36], Operations: ['83-20=63', '99-63=36'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,53 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: 53:[49, 83, 79], Operations: ['99-20=79'] Exploring Operation: 83-49=34, Resulting Numbers: [79, 34] Generated Node #0,1,0: 53:[79, 34] Operation: 83-49=34 Exploring Operation: 79-49=30, Resulting Numbers: [83, 30] Generated Node #0,1,1: 53:[83, 30] Operation: 79-49=30 Moving to Node #0,1,0 Current State: 53:[79, 34], Operations: ['99-20=79', '83-49=34'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,53 unequal: No Solution Exploring Operation: 79+34=113, Resulting Numbers: [113] 113,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[83, 30], Operations: ['99-20=79', '79-49=30'] Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[49, 99, 20, 83], Operations: [] Exploring Operation: 99-20=79, Resulting Numbers: [49, 83, 79] Generated Node #0,1: 53:[49, 83, 79] Operation: 99-20=79 Moving to Node #0,1 Current State: 53:[49, 83, 79], Operations: ['99-20=79'] Exploring Operation: 79-49=30, Resulting Numbers: [83, 30] Generated Node #0,1,1: 53:[83, 30] Operation: 79-49=30 Moving to Node #0,1,1 Current State: 53:[83, 30], Operations: ['99-20=79', '79-49=30'] Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 89, 1, 15, 80 ]
25
[ "89+1=90", "80-15=65", "90-65=25" ]
Current State: 25:[89, 1, 15, 80], Operations: [] Exploring Operation: 89+1=90, Resulting Numbers: [15, 80, 90] Generated Node #2: [15, 80, 90] from Operation: 89+1=90 Current State: 25:[15, 80, 90], Operations: ['89+1=90'] Exploring Operation: 80-15=65, Resulting Numbers: [90, 65] Generated Node #3: [90, 65] from Operation: 80-15=65 Current State: 25:[90, 65], Operations: ['89+1=90', '80-15=65'] Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[89, 1, 15, 80], Operations: [] Exploring Operation: 80-15=65, Resulting Numbers: [89, 1, 65] Generated Node #0,0: 25:[89, 1, 65] Operation: 80-15=65 Exploring Operation: 89-15=74, Resulting Numbers: [1, 80, 74] Generated Node #0,1: 25:[1, 80, 74] Operation: 89-15=74 Exploring Operation: 89-80=9, Resulting Numbers: [1, 15, 9] Generated Node #0,2: 25:[1, 15, 9] Operation: 89-80=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[1, 15, 9], Operations: ['89-80=9'] Exploring Operation: 1+15=16, Resulting Numbers: [9, 16] Generated Node #0,2,0: 25:[9, 16] Operation: 1+15=16 Exploring Operation: 15+9=24, Resulting Numbers: [1, 24] Generated Node #0,2,1: 25:[1, 24] Operation: 15+9=24 Exploring Operation: 15-9=6, Resulting Numbers: [1, 6] Generated Node #0,2,2: 25:[1, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 25:[1, 24], Operations: ['89-80=9', '15+9=24'] Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[89, 1, 15, 80], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [1, 15, 9] Generated Node #0,2: 25:[1, 15, 9] Operation: 89-80=9 Moving to Node #0,2 Current State: 25:[1, 15, 9], Operations: ['89-80=9'] Exploring Operation: 15+9=24, Resulting Numbers: [1, 24] Generated Node #0,2,1: 25:[1, 24] Operation: 15+9=24 Moving to Node #0,2,1 Current State: 25:[1, 24], Operations: ['89-80=9', '15+9=24'] Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 49, 64, 74, 32 ]
71
[ "49+64=113", "74-32=42", "113-42=71" ]
Current State: 71:[49, 64, 74, 32], Operations: [] Exploring Operation: 49+64=113, Resulting Numbers: [74, 32, 113] Generated Node #2: [74, 32, 113] from Operation: 49+64=113 Current State: 71:[74, 32, 113], Operations: ['49+64=113'] Exploring Operation: 74-32=42, Resulting Numbers: [113, 42] Generated Node #3: [113, 42] from Operation: 74-32=42 Current State: 71:[113, 42], Operations: ['49+64=113', '74-32=42'] Exploring Operation: 113-42=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[49, 64, 74, 32], Operations: [] Exploring Operation: 49+32=81, Resulting Numbers: [64, 74, 81] Generated Node #0,0: 71:[64, 74, 81] Operation: 49+32=81 Moving to Node #0,0 Current State: 71:[64, 74, 81], Operations: ['49+32=81'] Exploring Operation: 81-64=17, Resulting Numbers: [74, 17] Generated Node #0,0,0: 71:[74, 17] Operation: 81-64=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[74, 17], Operations: ['49+32=81', '81-64=17'] Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 56, 83, 90, 78 ]
74
[ "83-78=5", "90/5=18", "56+18=74" ]
Current State: 74:[56, 83, 90, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [56, 90, 5] Generated Node #2: [56, 90, 5] from Operation: 83-78=5 Current State: 74:[56, 90, 5], Operations: ['83-78=5'] Exploring Operation: 90/5=18, Resulting Numbers: [56, 18] Generated Node #3: [56, 18] from Operation: 90/5=18 Current State: 74:[56, 18], Operations: ['83-78=5', '90/5=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[56, 83, 90, 78], Operations: [] Exploring Operation: 90-56=34, Resulting Numbers: [83, 78, 34] Generated Node #0,0: 74:[83, 78, 34] Operation: 90-56=34 Exploring Operation: 90-78=12, Resulting Numbers: [56, 83, 12] Generated Node #0,1: 74:[56, 83, 12] Operation: 90-78=12 Exploring Operation: 83-56=27, Resulting Numbers: [90, 78, 27] Generated Node #0,2: 74:[90, 78, 27] Operation: 83-56=27 Exploring Operation: 83-78=5, Resulting Numbers: [56, 90, 5] Generated Node #0,3: 74:[56, 90, 5] Operation: 83-78=5 Exploring Operation: 90-83=7, Resulting Numbers: [56, 78, 7] Generated Node #0,4: 74:[56, 78, 7] Operation: 90-83=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[83, 78, 34], Operations: ['90-56=34'] Exploring Operation: 83+34=117, Resulting Numbers: [78, 117] Generated Node #0,0,0: 74:[78, 117] Operation: 83+34=117 Exploring Operation: 78-34=44, Resulting Numbers: [83, 44] Generated Node #0,0,1: 74:[83, 44] Operation: 78-34=44 Exploring Operation: 78+34=112, Resulting Numbers: [83, 112] Generated Node #0,0,2: 74:[83, 112] Operation: 78+34=112 Exploring Operation: 83-78=5, Resulting Numbers: [34, 5] Generated Node #0,0,3: 74:[34, 5] Operation: 83-78=5 Exploring Operation: 83-34=49, Resulting Numbers: [78, 49] Generated Node #0,0,4: 74:[78, 49] Operation: 83-34=49 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 74:[34, 5], Operations: ['90-56=34', '83-78=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,74 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 74:[83, 44], Operations: ['90-56=34', '78-34=44'] Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,74 unequal: No Solution Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 74:[78, 49], Operations: ['90-56=34', '83-34=49'] Exploring Operation: 78+49=127, Resulting Numbers: [127] 127,74 unequal: No Solution Exploring Operation: 78*49=3822, Resulting Numbers: [3822] 3822,74 unequal: No Solution Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[78, 117], Operations: ['90-56=34', '83+34=117'] Exploring Operation: 117-78=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 78+117=195, Resulting Numbers: [195] 195,74 unequal: No Solution Exploring Operation: 78*117=9126, Resulting Numbers: [9126] 9126,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 74:[83, 112], Operations: ['90-56=34', '78+34=112'] Exploring Operation: 83+112=195, Resulting Numbers: [195] 195,74 unequal: No Solution Exploring Operation: 83*112=9296, Resulting Numbers: [9296] 9296,74 unequal: No Solution Exploring Operation: 112-83=29, Resulting Numbers: [29] 29,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 74:[56, 78, 7], Operations: ['90-83=7'] Exploring Operation: 56-7=49, Resulting Numbers: [78, 49] Generated Node #0,4,0: 74:[78, 49] Operation: 56-7=49 Exploring Operation: 78-56=22, Resulting Numbers: [7, 22] Generated Node #0,4,1: 74:[7, 22] Operation: 78-56=22 Exploring Operation: 56+7=63, Resulting Numbers: [78, 63] Generated Node #0,4,2: 74:[78, 63] Operation: 56+7=63 Exploring Operation: 78-7=71, Resulting Numbers: [56, 71] Generated Node #0,4,3: 74:[56, 71] Operation: 78-7=71 Exploring Operation: 56/7=8, Resulting Numbers: [78, 8] Generated Node #0,4,4: 74:[78, 8] Operation: 56/7=8 Moving to Node #0,4,4 Current State: 74:[78, 8], Operations: ['90-83=7', '56/7=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[78, 63], Operations: ['90-83=7', '56+7=63'] Exploring Operation: 78*63=4914, Resulting Numbers: [4914] 4914,74 unequal: No Solution Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 78+63=141, Resulting Numbers: [141] 141,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[78, 49], Operations: ['90-83=7', '56-7=49'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 78*49=3822, Resulting Numbers: [3822] 3822,74 unequal: No Solution Exploring Operation: 78+49=127, Resulting Numbers: [127] 127,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[7, 22], Operations: ['90-83=7', '78-56=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[56, 71], Operations: ['90-83=7', '78-7=71'] Exploring Operation: 56*71=3976, Resulting Numbers: [3976] 3976,74 unequal: No Solution Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,74 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,74 unequal: No Solution No 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: 74:[90, 78, 27], Operations: ['83-56=27'] Exploring Operation: 78-27=51, Resulting Numbers: [90, 51] Generated Node #0,2,0: 74:[90, 51] Operation: 78-27=51 Exploring Operation: 90-78=12, Resulting Numbers: [27, 12] Generated Node #0,2,1: 74:[27, 12] Operation: 90-78=12 Exploring Operation: 90-27=63, Resulting Numbers: [78, 63] Generated Node #0,2,2: 74:[78, 63] Operation: 90-27=63 Exploring Operation: 78+27=105, Resulting Numbers: [90, 105] Generated Node #0,2,3: 74:[90, 105] Operation: 78+27=105 Exploring Operation: 90+27=117, Resulting Numbers: [78, 117] Generated Node #0,2,4: 74:[78, 117] Operation: 90+27=117 Moving to Node #0,2,2 Current State: 74:[78, 63], Operations: ['83-56=27', '90-27=63'] Exploring Operation: 78+63=141, Resulting Numbers: [141] 141,74 unequal: No Solution Exploring Operation: 78*63=4914, Resulting Numbers: [4914] 4914,74 unequal: No Solution Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[27, 12], Operations: ['83-56=27', '90-78=12'] Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,74 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[90, 51], Operations: ['83-56=27', '78-27=51'] Exploring Operation: 90*51=4590, Resulting Numbers: [4590] 4590,74 unequal: No Solution Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 90+51=141, Resulting Numbers: [141] 141,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[90, 105], Operations: ['83-56=27', '78+27=105'] Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 90*105=9450, Resulting Numbers: [9450] 9450,74 unequal: No Solution Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,74 unequal: No Solution Moving to Node #0,2,4 Current State: 74:[78, 117], Operations: ['83-56=27', '90+27=117'] Exploring Operation: 117-78=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 78*117=9126, Resulting Numbers: [9126] 9126,74 unequal: No Solution Exploring Operation: 78+117=195, Resulting Numbers: [195] 195,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[56, 83, 12], Operations: ['90-78=12'] Exploring Operation: 83-12=71, Resulting Numbers: [56, 71] Generated Node #0,1,0: 74:[56, 71] Operation: 83-12=71 Exploring Operation: 83+12=95, Resulting Numbers: [56, 95] Generated Node #0,1,1: 74:[56, 95] Operation: 83+12=95 Exploring Operation: 83-56=27, Resulting Numbers: [12, 27] Generated Node #0,1,2: 74:[12, 27] Operation: 83-56=27 Exploring Operation: 56+12=68, Resulting Numbers: [83, 68] Generated Node #0,1,3: 74:[83, 68] Operation: 56+12=68 Exploring Operation: 56-12=44, Resulting Numbers: [83, 44] Generated Node #0,1,4: 74:[83, 44] Operation: 56-12=44 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[83, 68], Operations: ['90-78=12', '56+12=68'] Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,74 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 74:[83, 44], Operations: ['90-78=12', '56-12=44'] Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,74 unequal: No Solution Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[12, 27], Operations: ['90-78=12', '83-56=27'] Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,74 unequal: No Solution Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[56, 71], Operations: ['90-78=12', '83-12=71'] Exploring Operation: 56*71=3976, Resulting Numbers: [3976] 3976,74 unequal: No Solution Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,74 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[56, 95], Operations: ['90-78=12', '83+12=95'] Exploring Operation: 56*95=5320, Resulting Numbers: [5320] 5320,74 unequal: No Solution Exploring Operation: 56+95=151, Resulting Numbers: [151] 151,74 unequal: No Solution Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[56, 90, 5], Operations: ['83-78=5'] Exploring Operation: 56-5=51, Resulting Numbers: [90, 51] Generated Node #0,3,0: 74:[90, 51] Operation: 56-5=51 Exploring Operation: 90-56=34, Resulting Numbers: [5, 34] Generated Node #0,3,1: 74:[5, 34] Operation: 90-56=34 Exploring Operation: 56+5=61, Resulting Numbers: [90, 61] Generated Node #0,3,2: 74:[90, 61] Operation: 56+5=61 Exploring Operation: 90-5=85, Resulting Numbers: [56, 85] Generated Node #0,3,3: 74:[56, 85] Operation: 90-5=85 Exploring Operation: 90/5=18, Resulting Numbers: [56, 18] Generated Node #0,3,4: 74:[56, 18] Operation: 90/5=18 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[5, 34], Operations: ['83-78=5', '90-56=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[90, 61], Operations: ['83-78=5', '56+5=61'] Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,74 unequal: No Solution Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 74:[56, 85], Operations: ['83-78=5', '90-5=85'] Exploring Operation: 56+85=141, Resulting Numbers: [141] 141,74 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 56*85=4760, Resulting Numbers: [4760] 4760,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[90, 51], Operations: ['83-78=5', '56-5=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 90*51=4590, Resulting Numbers: [4590] 4590,74 unequal: No Solution Exploring Operation: 90+51=141, Resulting Numbers: [141] 141,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 74:[56, 18], Operations: ['83-78=5', '90/5=18'] Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,74 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[56, 83, 90, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [56, 90, 5] Generated Node #0,3: 74:[56, 90, 5] Operation: 83-78=5 Moving to Node #0,3 Current State: 74:[56, 90, 5], Operations: ['83-78=5'] Exploring Operation: 90/5=18, Resulting Numbers: [56, 18] Generated Node #0,3,4: 74:[56, 18] Operation: 90/5=18 Moving to Node #0,3,4 Current State: 74:[56, 18], Operations: ['83-78=5', '90/5=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.905382
hs_5
mult_heuristic
[ 2, 37, 69, 11 ]
84
[ "2*11=22", "37+69=106", "106-22=84" ]
Current State: 84:[2, 37, 69, 11], Operations: [] Exploring Operation: 2*11=22, Resulting Numbers: [37, 69, 22] Generated Node #2: [37, 69, 22] from Operation: 2*11=22 Current State: 84:[37, 69, 22], Operations: ['2*11=22'] Exploring Operation: 37+69=106, Resulting Numbers: [22, 106] Generated Node #3: [22, 106] from Operation: 37+69=106 Current State: 84:[22, 106], Operations: ['2*11=22', '37+69=106'] Exploring Operation: 106-22=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[2, 37, 69, 11], Operations: [] Exploring Operation: 69+11=80, Resulting Numbers: [2, 37, 80] Generated Node #0,0: 84:[2, 37, 80] Operation: 69+11=80 Exploring Operation: 69-37=32, Resulting Numbers: [2, 11, 32] Generated Node #0,1: 84:[2, 11, 32] Operation: 69-37=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[2, 11, 32], Operations: ['69-37=32'] Exploring Operation: 11+32=43, Resulting Numbers: [2, 43] Generated Node #0,1,0: 84:[2, 43] Operation: 11+32=43 Exploring Operation: 32-11=21, Resulting Numbers: [2, 21] Generated Node #0,1,1: 84:[2, 21] Operation: 32-11=21 Moving to Node #0,1,1 Current State: 84:[2, 21], Operations: ['69-37=32', '32-11=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[2, 43], Operations: ['69-37=32', '11+32=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,84 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 #0,0 Current State: 84:[2, 37, 80], Operations: ['69+11=80'] Exploring Operation: 80-37=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 84:[2, 43] Operation: 80-37=43 Exploring Operation: 2+37=39, Resulting Numbers: [80, 39] Generated Node #0,0,1: 84:[80, 39] Operation: 2+37=39 Moving to Node #0,0,0 Current State: 84:[2, 43], Operations: ['69+11=80', '80-37=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[80, 39], Operations: ['69+11=80', '2+37=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,84 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
[ 91, 45, 89, 96 ]
53
[ "91-45=46", "96-89=7", "46+7=53" ]
Current State: 53:[91, 45, 89, 96], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [89, 96, 46] Generated Node #2: [89, 96, 46] from Operation: 91-45=46 Current State: 53:[89, 96, 46], Operations: ['91-45=46'] Exploring Operation: 96-89=7, Resulting Numbers: [46, 7] Generated Node #3: [46, 7] from Operation: 96-89=7 Current State: 53:[46, 7], Operations: ['91-45=46', '96-89=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[91, 45, 89, 96], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [91, 89, 51] Generated Node #0,0: 53:[91, 89, 51] Operation: 96-45=51 Exploring Operation: 96-89=7, Resulting Numbers: [91, 45, 7] Generated Node #0,1: 53:[91, 45, 7] Operation: 96-89=7 Exploring Operation: 89-45=44, Resulting Numbers: [91, 96, 44] Generated Node #0,2: 53:[91, 96, 44] Operation: 89-45=44 Exploring Operation: 91-45=46, Resulting Numbers: [89, 96, 46] Generated Node #0,3: 53:[89, 96, 46] Operation: 91-45=46 Exploring Operation: 96-91=5, Resulting Numbers: [45, 89, 5] Generated Node #0,4: 53:[45, 89, 5] Operation: 96-91=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[91, 89, 51], Operations: ['96-45=51'] Exploring Operation: 89-51=38, Resulting Numbers: [91, 38] Generated Node #0,0,0: 53:[91, 38] Operation: 89-51=38 Exploring Operation: 91-51=40, Resulting Numbers: [89, 40] Generated Node #0,0,1: 53:[89, 40] Operation: 91-51=40 Exploring Operation: 91+51=142, Resulting Numbers: [89, 142] Generated Node #0,0,2: 53:[89, 142] Operation: 91+51=142 Exploring Operation: 89+51=140, Resulting Numbers: [91, 140] Generated Node #0,0,3: 53:[91, 140] Operation: 89+51=140 Exploring Operation: 91-89=2, Resulting Numbers: [51, 2] Generated Node #0,0,4: 53:[51, 2] Operation: 91-89=2 Moving to Node #0,0,1 Current State: 53:[89, 40], Operations: ['96-45=51', '91-51=40'] Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 89+40=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 89*40=3560, Resulting Numbers: [3560] 3560,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[51, 2], Operations: ['96-45=51', '91-89=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[91, 45, 89, 96], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [91, 89, 51] Generated Node #0,0: 53:[91, 89, 51] Operation: 96-45=51 Moving to Node #0,0 Current State: 53:[91, 89, 51], Operations: ['96-45=51'] Exploring Operation: 91-89=2, Resulting Numbers: [51, 2] Generated Node #0,0,4: 53:[51, 2] Operation: 91-89=2 Moving to Node #0,0,4 Current State: 53:[51, 2], Operations: ['96-45=51', '91-89=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 4, 13, 13, 17 ]
69
[ "4*17=68", "13/13=1", "68+1=69" ]
Current State: 69:[4, 13, 13, 17], Operations: [] Exploring Operation: 4*17=68, Resulting Numbers: [13, 13, 68] Generated Node #2: [13, 13, 68] from Operation: 4*17=68 Current State: 69:[13, 13, 68], Operations: ['4*17=68'] Exploring Operation: 13/13=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 13/13=1 Current State: 69:[68, 1], Operations: ['4*17=68', '13/13=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[4, 13, 13, 17], Operations: [] Exploring Operation: 17-13=4, Resulting Numbers: [4, 13, 4] Generated Node #0,0: 69:[4, 13, 4] Operation: 17-13=4 Exploring Operation: 13+13=26, Resulting Numbers: [4, 17, 26] Generated Node #0,1: 69:[4, 17, 26] Operation: 13+13=26 Exploring Operation: 13-13=0, Resulting Numbers: [4, 17, 0] Generated Node #0,2: 69:[4, 17, 0] Operation: 13-13=0 Exploring Operation: 13/13=1, Resulting Numbers: [4, 17, 1] Generated Node #0,3: 69:[4, 17, 1] Operation: 13/13=1 Moving to Node #0,3 Current State: 69:[4, 17, 1], Operations: ['13/13=1'] Exploring Operation: 4+17=21, Resulting Numbers: [1, 21] Generated Node #0,3,0: 69:[1, 21] Operation: 4+17=21 Exploring Operation: 4*17=68, Resulting Numbers: [1, 68] Generated Node #0,3,1: 69:[1, 68] Operation: 4*17=68 Exploring Operation: 4-1=3, Resulting Numbers: [17, 3] Generated Node #0,3,2: 69:[17, 3] Operation: 4-1=3 Exploring Operation: 17+1=18, Resulting Numbers: [4, 18] Generated Node #0,3,3: 69:[4, 18] Operation: 17+1=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 69:[1, 68], Operations: ['13/13=1', '4*17=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[4, 13, 13, 17], Operations: [] Exploring Operation: 13/13=1, Resulting Numbers: [4, 17, 1] Generated Node #0,3: 69:[4, 17, 1] Operation: 13/13=1 Moving to Node #0,3 Current State: 69:[4, 17, 1], Operations: ['13/13=1'] Exploring Operation: 4*17=68, Resulting Numbers: [1, 68] Generated Node #0,3,1: 69:[1, 68] Operation: 4*17=68 Moving to Node #0,3,1 Current State: 69:[1, 68], Operations: ['13/13=1', '4*17=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 42, 84, 42, 40 ]
37
[ "42+84=126", "126/42=3", "40-3=37" ]
Current State: 37:[42, 84, 42, 40], Operations: [] Exploring Operation: 42+84=126, Resulting Numbers: [40, 126] Generated Node #2: [40, 126] from Operation: 42+84=126 Current State: 37:[40, 126], Operations: ['42+84=126'] Exploring Operation: 126/42=3, Resulting Numbers: [40, 3] Generated Node #3: [40, 3] from Operation: 126/42=3 Current State: 37:[40, 3], Operations: ['42+84=126', '126/42=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[42, 84, 42, 40], Operations: [] Exploring Operation: 84-42=42, Resulting Numbers: [42, 40, 42] Generated Node #0,0: 37:[42, 40, 42] Operation: 84-42=42 Moving to Node #0,0 Current State: 37:[42, 40, 42], Operations: ['84-42=42'] Exploring Operation: 42/42=1, Resulting Numbers: [40, 1] Generated Node #0,0,0: 37:[40, 1] Operation: 42/42=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[40, 1], Operations: ['84-42=42', '42/42=1'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,37 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
[ 62, 25, 94, 41 ]
90
[ "62-25=37", "94-41=53", "37+53=90" ]
Current State: 90:[62, 25, 94, 41], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [94, 41, 37] Generated Node #2: [94, 41, 37] from Operation: 62-25=37 Current State: 90:[94, 41, 37], Operations: ['62-25=37'] Exploring Operation: 94-41=53, Resulting Numbers: [37, 53] Generated Node #3: [37, 53] from Operation: 94-41=53 Current State: 90:[37, 53], Operations: ['62-25=37', '94-41=53'] Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[62, 25, 94, 41], Operations: [] Exploring Operation: 62+25=87, Resulting Numbers: [94, 41, 87] Generated Node #0,0: 90:[94, 41, 87] Operation: 62+25=87 Exploring Operation: 94-62=32, Resulting Numbers: [25, 41, 32] Generated Node #0,1: 90:[25, 41, 32] Operation: 94-62=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[94, 41, 87], Operations: ['62+25=87'] Exploring Operation: 87-41=46, Resulting Numbers: [94, 46] Generated Node #0,0,0: 90:[94, 46] Operation: 87-41=46 Exploring Operation: 94-87=7, Resulting Numbers: [41, 7] Generated Node #0,0,1: 90:[41, 7] Operation: 94-87=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[94, 46], Operations: ['62+25=87', '87-41=46'] Exploring Operation: 94+46=140, Resulting Numbers: [140] 140,90 unequal: No Solution Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,90 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:[41, 7], Operations: ['62+25=87', '94-87=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,90 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 #0,1 Current State: 90:[25, 41, 32], Operations: ['94-62=32'] Exploring Operation: 41-25=16, Resulting Numbers: [32, 16] Generated Node #0,1,0: 90:[32, 16] Operation: 41-25=16 Exploring Operation: 32-25=7, Resulting Numbers: [41, 7] Generated Node #0,1,1: 90:[41, 7] Operation: 32-25=7 Moving to Node #0,1,0 Current State: 90:[32, 16], Operations: ['94-62=32', '41-25=16'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[41, 7], Operations: ['94-62=32', '32-25=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,90 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
[ 24, 16, 84, 79 ]
40
[ "24-16=8", "84-79=5", "8*5=40" ]
Current State: 40:[24, 16, 84, 79], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [84, 79, 8] Generated Node #2: [84, 79, 8] from Operation: 24-16=8 Current State: 40:[84, 79, 8], Operations: ['24-16=8'] Exploring Operation: 84-79=5, Resulting Numbers: [8, 5] Generated Node #3: [8, 5] from Operation: 84-79=5 Current State: 40:[8, 5], Operations: ['24-16=8', '84-79=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[24, 16, 84, 79], Operations: [] Exploring Operation: 79-16=63, Resulting Numbers: [24, 84, 63] Generated Node #0,0: 40:[24, 84, 63] Operation: 79-16=63 Exploring Operation: 84-24=60, Resulting Numbers: [16, 79, 60] Generated Node #0,1: 40:[16, 79, 60] Operation: 84-24=60 Exploring Operation: 79-24=55, Resulting Numbers: [16, 84, 55] Generated Node #0,2: 40:[16, 84, 55] Operation: 79-24=55 Exploring Operation: 84-16=68, Resulting Numbers: [24, 79, 68] Generated Node #0,3: 40:[24, 79, 68] Operation: 84-16=68 Exploring Operation: 84-79=5, Resulting Numbers: [24, 16, 5] Generated Node #0,4: 40:[24, 16, 5] Operation: 84-79=5 Moving to Node #0,4 Current State: 40:[24, 16, 5], Operations: ['84-79=5'] Exploring Operation: 24+16=40, Resulting Numbers: [5, 40] Generated Node #0,4,0: 40:[5, 40] Operation: 24+16=40 Exploring Operation: 24-16=8, Resulting Numbers: [5, 8] Generated Node #0,4,1: 40:[5, 8] Operation: 24-16=8 Exploring Operation: 16-5=11, Resulting Numbers: [24, 11] Generated Node #0,4,2: 40:[24, 11] Operation: 16-5=11 Exploring Operation: 24-5=19, Resulting Numbers: [16, 19] Generated Node #0,4,3: 40:[16, 19] Operation: 24-5=19 Exploring Operation: 16+5=21, Resulting Numbers: [24, 21] Generated Node #0,4,4: 40:[24, 21] Operation: 16+5=21 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 40:[5, 40], Operations: ['84-79=5', '24+16=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,40 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,40 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,40 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:[5, 8], Operations: ['84-79=5', '24-16=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[24, 16, 84, 79], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [24, 16, 5] Generated Node #0,4: 40:[24, 16, 5] Operation: 84-79=5 Moving to Node #0,4 Current State: 40:[24, 16, 5], Operations: ['84-79=5'] Exploring Operation: 24-16=8, Resulting Numbers: [5, 8] Generated Node #0,4,1: 40:[5, 8] Operation: 24-16=8 Moving to Node #0,4,1 Current State: 40:[5, 8], Operations: ['84-79=5', '24-16=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 55, 9, 39, 71 ]
64
[ "55-9=46", "39+71=110", "110-46=64" ]
Current State: 64:[55, 9, 39, 71], Operations: [] Exploring Operation: 55-9=46, Resulting Numbers: [39, 71, 46] Generated Node #2: [39, 71, 46] from Operation: 55-9=46 Current State: 64:[39, 71, 46], Operations: ['55-9=46'] Exploring Operation: 39+71=110, Resulting Numbers: [46, 110] Generated Node #3: [46, 110] from Operation: 39+71=110 Current State: 64:[46, 110], Operations: ['55-9=46', '39+71=110'] Exploring Operation: 110-46=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[55, 9, 39, 71], Operations: [] Exploring Operation: 55-39=16, Resulting Numbers: [9, 71, 16] Generated Node #0,0: 64:[9, 71, 16] Operation: 55-39=16 Exploring Operation: 71-55=16, Resulting Numbers: [9, 39, 16] Generated Node #0,1: 64:[9, 39, 16] Operation: 71-55=16 Moving to Node #0,0 Current State: 64:[9, 71, 16], Operations: ['55-39=16'] Exploring Operation: 16-9=7, Resulting Numbers: [71, 7] Generated Node #0,0,0: 64:[71, 7] Operation: 16-9=7 Exploring Operation: 71-9=62, Resulting Numbers: [16, 62] Generated Node #0,0,1: 64:[16, 62] Operation: 71-9=62 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[16, 62], Operations: ['55-39=16', '71-9=62'] Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[71, 7], Operations: ['55-39=16', '16-9=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[55, 9, 39, 71], Operations: [] Exploring Operation: 55-39=16, Resulting Numbers: [9, 71, 16] Generated Node #0,0: 64:[9, 71, 16] Operation: 55-39=16 Moving to Node #0,0 Current State: 64:[9, 71, 16], Operations: ['55-39=16'] Exploring Operation: 16-9=7, Resulting Numbers: [71, 7] Generated Node #0,0,0: 64:[71, 7] Operation: 16-9=7 Moving to Node #0,0,0 Current State: 64:[71, 7], Operations: ['55-39=16', '16-9=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 3, 52, 77, 51 ]
94
[ "52+77=129", "129/3=43", "51+43=94" ]
Current State: 94:[3, 52, 77, 51], Operations: [] Exploring Operation: 52+77=129, Resulting Numbers: [3, 51, 129] Generated Node #2: [3, 51, 129] from Operation: 52+77=129 Current State: 94:[3, 51, 129], Operations: ['52+77=129'] Exploring Operation: 129/3=43, Resulting Numbers: [51, 43] Generated Node #3: [51, 43] from Operation: 129/3=43 Current State: 94:[51, 43], Operations: ['52+77=129', '129/3=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[3, 52, 77, 51], Operations: [] Exploring Operation: 52-51=1, Resulting Numbers: [3, 77, 1] Generated Node #0,0: 94:[3, 77, 1] Operation: 52-51=1 Exploring Operation: 77-52=25, Resulting Numbers: [3, 51, 25] Generated Node #0,1: 94:[3, 51, 25] Operation: 77-52=25 Exploring Operation: 3+77=80, Resulting Numbers: [52, 51, 80] Generated Node #0,2: 94:[52, 51, 80] Operation: 3+77=80 Exploring Operation: 51-3=48, Resulting Numbers: [52, 77, 48] Generated Node #0,3: 94:[52, 77, 48] Operation: 51-3=48 Exploring Operation: 52-3=49, Resulting Numbers: [77, 51, 49] Generated Node #0,4: 94:[77, 51, 49] Operation: 52-3=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[3, 77, 1], Operations: ['52-51=1'] Exploring Operation: 77+1=78, Resulting Numbers: [3, 78] Generated Node #0,0,0: 94:[3, 78] Operation: 77+1=78 Exploring Operation: 3*1=3, Resulting Numbers: [77, 3] Generated Node #0,0,1: 94:[77, 3] Operation: 3*1=3 Exploring Operation: 3+77=80, Resulting Numbers: [1, 80] Generated Node #0,0,2: 94:[1, 80] Operation: 3+77=80 Exploring Operation: 3/1=3, Resulting Numbers: [77, 3] Generated Node #0,0,3: 94:[77, 3] Operation: 3/1=3 Exploring Operation: 3-1=2, Resulting Numbers: [77, 2] Generated Node #0,0,4: 94:[77, 2] Operation: 3-1=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[1, 80], Operations: ['52-51=1', '3+77=80'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 1*80=80, Resulting Numbers: [80] 80,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[3, 78], Operations: ['52-51=1', '77+1=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,94 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 94:[77, 2], Operations: ['52-51=1', '3-1=2'] Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,94 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[77, 3], Operations: ['52-51=1', '3*1=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,94 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[77, 3], Operations: ['52-51=1', '3/1=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,94 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[52, 51, 80], Operations: ['3+77=80'] Exploring Operation: 52+80=132, Resulting Numbers: [51, 132] Generated Node #0,2,0: 94:[51, 132] Operation: 52+80=132 Exploring Operation: 80-51=29, Resulting Numbers: [52, 29] Generated Node #0,2,1: 94:[52, 29] Operation: 80-51=29 Exploring Operation: 52-51=1, Resulting Numbers: [80, 1] Generated Node #0,2,2: 94:[80, 1] Operation: 52-51=1 Exploring Operation: 52+51=103, Resulting Numbers: [80, 103] Generated Node #0,2,3: 94:[80, 103] Operation: 52+51=103 Exploring Operation: 80-52=28, Resulting Numbers: [51, 28] Generated Node #0,2,4: 94:[51, 28] Operation: 80-52=28 Moving to Node #0,2,2 Current State: 94:[80, 1], Operations: ['3+77=80', '52-51=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[80, 103], Operations: ['3+77=80', '52+51=103'] Exploring Operation: 103-80=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 80+103=183, Resulting Numbers: [183] 183,94 unequal: No Solution Exploring Operation: 80*103=8240, Resulting Numbers: [8240] 8240,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[52, 29], Operations: ['3+77=80', '80-51=29'] Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,94 unequal: No Solution Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[51, 28], Operations: ['3+77=80', '80-52=28'] Exploring Operation: 51*28=1428, Resulting Numbers: [1428] 1428,94 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 51+28=79, Resulting Numbers: [79] 79,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[51, 132], Operations: ['3+77=80', '52+80=132'] Exploring Operation: 51+132=183, Resulting Numbers: [183] 183,94 unequal: No Solution Exploring Operation: 132-51=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 51*132=6732, Resulting Numbers: [6732] 6732,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[52, 77, 48], Operations: ['51-3=48'] Exploring Operation: 52-48=4, Resulting Numbers: [77, 4] Generated Node #0,3,0: 94:[77, 4] Operation: 52-48=4 Exploring Operation: 52+77=129, Resulting Numbers: [48, 129] Generated Node #0,3,1: 94:[48, 129] Operation: 52+77=129 Exploring Operation: 77-52=25, Resulting Numbers: [48, 25] Generated Node #0,3,2: 94:[48, 25] Operation: 77-52=25 Exploring Operation: 52+48=100, Resulting Numbers: [77, 100] Generated Node #0,3,3: 94:[77, 100] Operation: 52+48=100 Exploring Operation: 77-48=29, Resulting Numbers: [52, 29] Generated Node #0,3,4: 94:[52, 29] Operation: 77-48=29 Moving to Node #0,3,0 Current State: 94:[77, 4], Operations: ['51-3=48', '52-48=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[77, 100], Operations: ['51-3=48', '52+48=100'] Exploring Operation: 77*100=7700, Resulting Numbers: [7700] 7700,94 unequal: No Solution Exploring Operation: 77+100=177, Resulting Numbers: [177] 177,94 unequal: No Solution Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[48, 25], Operations: ['51-3=48', '77-52=25'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 48*25=1200, Resulting Numbers: [1200] 1200,94 unequal: No Solution Exploring Operation: 48+25=73, Resulting Numbers: [73] 73,94 unequal: No Solution Moving to Node #0,3,4 Current State: 94:[52, 29], Operations: ['51-3=48', '77-48=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,94 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[48, 129], Operations: ['51-3=48', '52+77=129'] Exploring Operation: 48*129=6192, Resulting Numbers: [6192] 6192,94 unequal: No Solution Exploring Operation: 48+129=177, Resulting Numbers: [177] 177,94 unequal: No Solution Exploring Operation: 129-48=81, Resulting Numbers: [81] 81,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[77, 51, 49], Operations: ['52-3=49'] Exploring Operation: 51-49=2, Resulting Numbers: [77, 2] Generated Node #0,4,0: 94:[77, 2] Operation: 51-49=2 Exploring Operation: 51+49=100, Resulting Numbers: [77, 100] Generated Node #0,4,1: 94:[77, 100] Operation: 51+49=100 Exploring Operation: 77-51=26, Resulting Numbers: [49, 26] Generated Node #0,4,2: 94:[49, 26] Operation: 77-51=26 Exploring Operation: 77-49=28, Resulting Numbers: [51, 28] Generated Node #0,4,3: 94:[51, 28] Operation: 77-49=28 Exploring Operation: 77+51=128, Resulting Numbers: [49, 128] Generated Node #0,4,4: 94:[49, 128] Operation: 77+51=128 Moving to Node #0,4,0 Current State: 94:[77, 2], Operations: ['52-3=49', '51-49=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,94 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,94 unequal: No Solution Moving to Node #0,4,2 Current State: 94:[49, 26], Operations: ['52-3=49', '77-51=26'] Exploring Operation: 49*26=1274, Resulting Numbers: [1274] 1274,94 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 49+26=75, Resulting Numbers: [75] 75,94 unequal: No Solution Moving to Node #0,4,1 Current State: 94:[77, 100], Operations: ['52-3=49', '51+49=100'] Exploring Operation: 77+100=177, Resulting Numbers: [177] 177,94 unequal: No Solution Exploring Operation: 77*100=7700, Resulting Numbers: [7700] 7700,94 unequal: No Solution Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,4,3 Current State: 94:[51, 28], Operations: ['52-3=49', '77-49=28'] Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 51*28=1428, Resulting Numbers: [1428] 1428,94 unequal: No Solution Exploring Operation: 51+28=79, Resulting Numbers: [79] 79,94 unequal: No Solution Moving to Node #0,4,4 Current State: 94:[49, 128], Operations: ['52-3=49', '77+51=128'] Exploring Operation: 49+128=177, Resulting Numbers: [177] 177,94 unequal: No Solution Exploring Operation: 49*128=6272, Resulting Numbers: [6272] 6272,94 unequal: No Solution Exploring Operation: 128-49=79, Resulting Numbers: [79] 79,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[3, 51, 25], Operations: ['77-52=25'] Exploring Operation: 3*25=75, Resulting Numbers: [51, 75] Generated Node #0,1,0: 94:[51, 75] Operation: 3*25=75 Exploring Operation: 51-25=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 94:[3, 26] Operation: 51-25=26 Exploring Operation: 51+25=76, Resulting Numbers: [3, 76] Generated Node #0,1,2: 94:[3, 76] Operation: 51+25=76 Exploring Operation: 51-3=48, Resulting Numbers: [25, 48] Generated Node #0,1,3: 94:[25, 48] Operation: 51-3=48 Exploring Operation: 3+25=28, Resulting Numbers: [51, 28] Generated Node #0,1,4: 94:[51, 28] Operation: 3+25=28 Moving to Node #0,1,2 Current State: 94:[3, 76], Operations: ['77-52=25', '51+25=76'] Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,94 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[3, 26], Operations: ['77-52=25', '51-25=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,94 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[51, 75], Operations: ['77-52=25', '3*25=75'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 51*75=3825, Resulting Numbers: [3825] 3825,94 unequal: No Solution Exploring Operation: 51+75=126, Resulting Numbers: [126] 126,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[25, 48], Operations: ['77-52=25', '51-3=48'] Exploring Operation: 25+48=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 25*48=1200, Resulting Numbers: [1200] 1200,94 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[51, 28], Operations: ['77-52=25', '3+25=28'] Exploring Operation: 51+28=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 51*28=1428, Resulting Numbers: [1428] 1428,94 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 15, 22, 3, 57 ]
91
[ "15+22=37", "57-3=54", "37+54=91" ]
Current State: 91:[15, 22, 3, 57], Operations: [] Exploring Operation: 15+22=37, Resulting Numbers: [3, 57, 37] Generated Node #2: [3, 57, 37] from Operation: 15+22=37 Current State: 91:[3, 57, 37], Operations: ['15+22=37'] Exploring Operation: 57-3=54, Resulting Numbers: [37, 54] Generated Node #3: [37, 54] from Operation: 57-3=54 Current State: 91:[37, 54], Operations: ['15+22=37', '57-3=54'] Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 22, 3, 57], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [15, 22, 19] Generated Node #0,0: 91:[15, 22, 19] Operation: 57/3=19 Moving to Node #0,0 Current State: 91:[15, 22, 19], Operations: ['57/3=19'] Exploring Operation: 22-15=7, Resulting Numbers: [19, 7] Generated Node #0,0,0: 91:[19, 7] Operation: 22-15=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[19, 7], Operations: ['57/3=19', '22-15=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 33, 41, 32 ]
16
[ "33-26=7", "41-32=9", "7+9=16" ]
Current State: 16:[26, 33, 41, 32], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [41, 32, 7] Generated Node #2: [41, 32, 7] from Operation: 33-26=7 Current State: 16:[41, 32, 7], Operations: ['33-26=7'] Exploring Operation: 41-32=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 41-32=9 Current State: 16:[7, 9], Operations: ['33-26=7', '41-32=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[26, 33, 41, 32], Operations: [] Exploring Operation: 41-33=8, Resulting Numbers: [26, 32, 8] Generated Node #0,0: 16:[26, 32, 8] Operation: 41-33=8 Moving to Node #0,0 Current State: 16:[26, 32, 8], Operations: ['41-33=8'] Exploring Operation: 32-26=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 16:[8, 6] Operation: 32-26=6 Moving to Node #0,0,0 Current State: 16:[8, 6], Operations: ['41-33=8', '32-26=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 86, 41, 81, 66 ]
60
[ "86-41=45", "81-66=15", "45+15=60" ]
Current State: 60:[86, 41, 81, 66], Operations: [] Exploring Operation: 86-41=45, Resulting Numbers: [81, 66, 45] Generated Node #2: [81, 66, 45] from Operation: 86-41=45 Current State: 60:[81, 66, 45], Operations: ['86-41=45'] Exploring Operation: 81-66=15, Resulting Numbers: [45, 15] Generated Node #3: [45, 15] from Operation: 81-66=15 Current State: 60:[45, 15], Operations: ['86-41=45', '81-66=15'] Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[86, 41, 81, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [41, 81, 20] Generated Node #0,0: 60:[41, 81, 20] Operation: 86-66=20 Exploring Operation: 81-66=15, Resulting Numbers: [86, 41, 15] Generated Node #0,1: 60:[86, 41, 15] Operation: 81-66=15 Exploring Operation: 86-81=5, Resulting Numbers: [41, 66, 5] Generated Node #0,2: 60:[41, 66, 5] Operation: 86-81=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[41, 66, 5], Operations: ['86-81=5'] Exploring Operation: 41-5=36, Resulting Numbers: [66, 36] Generated Node #0,2,0: 60:[66, 36] Operation: 41-5=36 Exploring Operation: 66-5=61, Resulting Numbers: [41, 61] Generated Node #0,2,1: 60:[41, 61] Operation: 66-5=61 Exploring Operation: 66-41=25, Resulting Numbers: [5, 25] Generated Node #0,2,2: 60:[5, 25] Operation: 66-41=25 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[5, 25], Operations: ['86-81=5', '66-41=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,60 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 #0,2,0 Current State: 60:[66, 36], Operations: ['86-81=5', '41-5=36'] Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,60 unequal: No Solution Exploring Operation: 66*36=2376, Resulting Numbers: [2376] 2376,60 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,60 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 #0,2,1 Current State: 60:[41, 61], Operations: ['86-81=5', '66-5=61'] Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,60 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,60 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,60 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 #0,0 Current State: 60:[41, 81, 20], Operations: ['86-66=20'] Exploring Operation: 41+20=61, Resulting Numbers: [81, 61] Generated Node #0,0,0: 60:[81, 61] Operation: 41+20=61 Exploring Operation: 81-20=61, Resulting Numbers: [41, 61] Generated Node #0,0,1: 60:[41, 61] Operation: 81-20=61 Exploring Operation: 81-41=40, Resulting Numbers: [20, 40] Generated Node #0,0,2: 60:[20, 40] Operation: 81-41=40 Moving to Node #0,0,2 Current State: 60:[20, 40], Operations: ['86-66=20', '81-41=40'] Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[86, 41, 81, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [41, 81, 20] Generated Node #0,0: 60:[41, 81, 20] Operation: 86-66=20 Moving to Node #0,0 Current State: 60:[41, 81, 20], Operations: ['86-66=20'] Exploring Operation: 81-41=40, Resulting Numbers: [20, 40] Generated Node #0,0,2: 60:[20, 40] Operation: 81-41=40 Moving to Node #0,0,2 Current State: 60:[20, 40], Operations: ['86-66=20', '81-41=40'] Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 52, 1, 36, 60 ]
77
[ "52+1=53", "60-36=24", "53+24=77" ]
Current State: 77:[52, 1, 36, 60], Operations: [] Exploring Operation: 52+1=53, Resulting Numbers: [36, 60, 53] Generated Node #2: [36, 60, 53] from Operation: 52+1=53 Current State: 77:[36, 60, 53], Operations: ['52+1=53'] Exploring Operation: 60-36=24, Resulting Numbers: [53, 24] Generated Node #3: [53, 24] from Operation: 60-36=24 Current State: 77:[53, 24], Operations: ['52+1=53', '60-36=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[52, 1, 36, 60], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [1, 36, 8] Generated Node #0,0: 77:[1, 36, 8] Operation: 60-52=8 Exploring Operation: 52+36=88, Resulting Numbers: [1, 60, 88] Generated Node #0,1: 77:[1, 60, 88] Operation: 52+36=88 Exploring Operation: 52-36=16, Resulting Numbers: [1, 60, 16] Generated Node #0,2: 77:[1, 60, 16] Operation: 52-36=16 Exploring Operation: 36+60=96, Resulting Numbers: [52, 1, 96] Generated Node #0,3: 77:[52, 1, 96] Operation: 36+60=96 Exploring Operation: 60-36=24, Resulting Numbers: [52, 1, 24] Generated Node #0,4: 77:[52, 1, 24] Operation: 60-36=24 Moving to Node #0,2 Current State: 77:[1, 60, 16], Operations: ['52-36=16'] Exploring Operation: 1*60=60, Resulting Numbers: [16, 60] Generated Node #0,2,0: 77:[16, 60] Operation: 1*60=60 Exploring Operation: 16-1=15, Resulting Numbers: [60, 15] Generated Node #0,2,1: 77:[60, 15] Operation: 16-1=15 Exploring Operation: 60/1=60, Resulting Numbers: [16, 60] Generated Node #0,2,2: 77:[16, 60] Operation: 60/1=60 Exploring Operation: 60+16=76, Resulting Numbers: [1, 76] Generated Node #0,2,3: 77:[1, 76] Operation: 60+16=76 Exploring Operation: 1+60=61, Resulting Numbers: [16, 61] Generated Node #0,2,4: 77:[16, 61] Operation: 1+60=61 Moving to Node #0,0 Current State: 77:[1, 36, 8], Operations: ['60-52=8'] Exploring Operation: 36/1=36, Resulting Numbers: [8, 36] Generated Node #0,0,0: 77:[8, 36] Operation: 36/1=36 Exploring Operation: 1*36=36, Resulting Numbers: [8, 36] Generated Node #0,0,1: 77:[8, 36] Operation: 1*36=36 Exploring Operation: 36-8=28, Resulting Numbers: [1, 28] Generated Node #0,0,2: 77:[1, 28] Operation: 36-8=28 Exploring Operation: 8-1=7, Resulting Numbers: [36, 7] Generated Node #0,0,3: 77:[36, 7] Operation: 8-1=7 Exploring Operation: 36-1=35, Resulting Numbers: [8, 35] Generated Node #0,0,4: 77:[8, 35] Operation: 36-1=35 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[1, 28], Operations: ['60-52=8', '36-8=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[36, 7], Operations: ['60-52=8', '8-1=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,77 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 77:[8, 35], Operations: ['60-52=8', '36-1=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 8*35=280, Resulting Numbers: [280] 280,77 unequal: No Solution Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[8, 36], Operations: ['60-52=8', '36/1=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,77 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[8, 36], Operations: ['60-52=8', '1*36=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,77 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,77 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: 77:[1, 60, 88], Operations: ['52+36=88'] Exploring Operation: 1*60=60, Resulting Numbers: [88, 60] Generated Node #0,1,0: 77:[88, 60] Operation: 1*60=60 Exploring Operation: 88-1=87, Resulting Numbers: [60, 87] Generated Node #0,1,1: 77:[60, 87] Operation: 88-1=87 Exploring Operation: 1+60=61, Resulting Numbers: [88, 61] Generated Node #0,1,2: 77:[88, 61] Operation: 1+60=61 Exploring Operation: 60/1=60, Resulting Numbers: [88, 60] Generated Node #0,1,3: 77:[88, 60] Operation: 60/1=60 Exploring Operation: 88-60=28, Resulting Numbers: [1, 28] Generated Node #0,1,4: 77:[1, 28] Operation: 88-60=28 Moving to Node #0,4 Current State: 77:[52, 1, 24], Operations: ['60-36=24'] Exploring Operation: 52*1=52, Resulting Numbers: [24, 52] Generated Node #0,4,0: 77:[24, 52] Operation: 52*1=52 Exploring Operation: 24-1=23, Resulting Numbers: [52, 23] Generated Node #0,4,1: 77:[52, 23] Operation: 24-1=23 Exploring Operation: 52+24=76, Resulting Numbers: [1, 76] Generated Node #0,4,2: 77:[1, 76] Operation: 52+24=76 Exploring Operation: 52-24=28, Resulting Numbers: [1, 28] Generated Node #0,4,3: 77:[1, 28] Operation: 52-24=28 Exploring Operation: 52+1=53, Resulting Numbers: [24, 53] Generated Node #0,4,4: 77:[24, 53] Operation: 52+1=53 Moving to Node #0,3 Current State: 77:[52, 1, 96], Operations: ['36+60=96'] Exploring Operation: 52*1=52, Resulting Numbers: [96, 52] Generated Node #0,3,0: 77:[96, 52] Operation: 52*1=52 Exploring Operation: 96-1=95, Resulting Numbers: [52, 95] Generated Node #0,3,1: 77:[52, 95] Operation: 96-1=95 Exploring Operation: 52+1=53, Resulting Numbers: [96, 53] Generated Node #0,3,2: 77:[96, 53] Operation: 52+1=53 Exploring Operation: 52/1=52, Resulting Numbers: [96, 52] Generated Node #0,3,3: 77:[96, 52] Operation: 52/1=52 Exploring Operation: 96-52=44, Resulting Numbers: [1, 44] Generated Node #0,3,4: 77:[1, 44] Operation: 96-52=44 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 77:[1, 44], Operations: ['36+60=96', '96-52=44'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,77 unequal: No Solution Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,77 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 #0,3,1 Current State: 77:[52, 95], Operations: ['36+60=96', '96-1=95'] Exploring Operation: 52+95=147, Resulting Numbers: [147] 147,77 unequal: No Solution Exploring Operation: 95-52=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 52*95=4940, Resulting Numbers: [4940] 4940,77 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 #0,3,2 Current State: 77:[96, 53], Operations: ['36+60=96', '52+1=53'] Exploring Operation: 96+53=149, Resulting Numbers: [149] 149,77 unequal: No Solution Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 96*53=5088, Resulting Numbers: [5088] 5088,77 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 #0,3,0 Current State: 77:[96, 52], Operations: ['36+60=96', '52*1=52'] Exploring Operation: 96-52=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 96+52=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 96*52=4992, Resulting Numbers: [4992] 4992,77 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 #0,3,3 Current State: 77:[96, 52], Operations: ['36+60=96', '52/1=52'] Exploring Operation: 96-52=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 96+52=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 96*52=4992, Resulting Numbers: [4992] 4992,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 77:[1, 76], Operations: ['52-36=16', '60+16=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[52, 1, 36, 60], Operations: [] Exploring Operation: 52-36=16, Resulting Numbers: [1, 60, 16] Generated Node #0,2: 77:[1, 60, 16] Operation: 52-36=16 Moving to Node #0,2 Current State: 77:[1, 60, 16], Operations: ['52-36=16'] Exploring Operation: 60+16=76, Resulting Numbers: [1, 76] Generated Node #0,2,3: 77:[1, 76] Operation: 60+16=76 Moving to Node #0,2,3 Current State: 77:[1, 76], Operations: ['52-36=16', '60+16=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.940104
hs_5
mult_heuristic
[ 7, 22, 92, 25 ]
15
[ "92-22=70", "70/7=10", "25-10=15" ]
Current State: 15:[7, 22, 92, 25], Operations: [] Exploring Operation: 92-22=70, Resulting Numbers: [7, 25, 70] Generated Node #2: [7, 25, 70] from Operation: 92-22=70 Current State: 15:[7, 25, 70], Operations: ['92-22=70'] Exploring Operation: 70/7=10, Resulting Numbers: [25, 10] Generated Node #3: [25, 10] from Operation: 70/7=10 Current State: 15:[25, 10], Operations: ['92-22=70', '70/7=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[7, 22, 92, 25], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [7, 92, 3] Generated Node #0,0: 15:[7, 92, 3] Operation: 25-22=3 Exploring Operation: 92-25=67, Resulting Numbers: [7, 22, 67] Generated Node #0,1: 15:[7, 22, 67] Operation: 92-25=67 Exploring Operation: 92-22=70, Resulting Numbers: [7, 25, 70] Generated Node #0,2: 15:[7, 25, 70] Operation: 92-22=70 Exploring Operation: 22-7=15, Resulting Numbers: [92, 25, 15] Generated Node #0,3: 15:[92, 25, 15] Operation: 22-7=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[7, 22, 67], Operations: ['92-25=67'] Exploring Operation: 7+22=29, Resulting Numbers: [67, 29] Generated Node #0,1,0: 15:[67, 29] Operation: 7+22=29 Exploring Operation: 22-7=15, Resulting Numbers: [67, 15] Generated Node #0,1,1: 15:[67, 15] Operation: 22-7=15 Exploring Operation: 67-7=60, Resulting Numbers: [22, 60] Generated Node #0,1,2: 15:[22, 60] Operation: 67-7=60 Exploring Operation: 67-22=45, Resulting Numbers: [7, 45] Generated Node #0,1,3: 15:[7, 45] Operation: 67-22=45 Moving to Node #0,1,3 Current State: 15:[7, 45], Operations: ['92-25=67', '67-22=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[22, 60], Operations: ['92-25=67', '67-7=60'] Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,15 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[67, 15], Operations: ['92-25=67', '22-7=15'] Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[67, 29], Operations: ['92-25=67', '7+22=29'] Exploring Operation: 67+29=96, Resulting Numbers: [96] 96,15 unequal: No Solution Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 67*29=1943, Resulting Numbers: [1943] 1943,15 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:[7, 25, 70], Operations: ['92-22=70'] Exploring Operation: 25-7=18, Resulting Numbers: [70, 18] Generated Node #0,2,0: 15:[70, 18] Operation: 25-7=18 Exploring Operation: 70-7=63, Resulting Numbers: [25, 63] Generated Node #0,2,1: 15:[25, 63] Operation: 70-7=63 Exploring Operation: 70-25=45, Resulting Numbers: [7, 45] Generated Node #0,2,2: 15:[7, 45] Operation: 70-25=45 Exploring Operation: 70/7=10, Resulting Numbers: [25, 10] Generated Node #0,2,3: 15:[25, 10] Operation: 70/7=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 15:[25, 10], Operations: ['92-22=70', '70/7=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[7, 22, 92, 25], Operations: [] Exploring Operation: 92-22=70, Resulting Numbers: [7, 25, 70] Generated Node #0,2: 15:[7, 25, 70] Operation: 92-22=70 Moving to Node #0,2 Current State: 15:[7, 25, 70], Operations: ['92-22=70'] Exploring Operation: 70/7=10, Resulting Numbers: [25, 10] Generated Node #0,2,3: 15:[25, 10] Operation: 70/7=10 Moving to Node #0,2,3 Current State: 15:[25, 10], Operations: ['92-22=70', '70/7=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 77, 85, 17, 20 ]
95
[ "77*20=1540", "85*17=1445", "1540-1445=95" ]
Current State: 95:[77, 85, 17, 20], Operations: [] Exploring Operation: 77*20=1540, Resulting Numbers: [85, 17, 1540] Generated Node #2: [85, 17, 1540] from Operation: 77*20=1540 Current State: 95:[85, 17, 1540], Operations: ['77*20=1540'] Exploring Operation: 85*17=1445, Resulting Numbers: [1540, 1445] Generated Node #3: [1540, 1445] from Operation: 85*17=1445 Current State: 95:[1540, 1445], Operations: ['77*20=1540', '85*17=1445'] Exploring Operation: 1540-1445=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[77, 85, 17, 20], Operations: [] Exploring Operation: 77+17=94, Resulting Numbers: [85, 20, 94] Generated Node #0,0: 95:[85, 20, 94] Operation: 77+17=94 Exploring Operation: 77+20=97, Resulting Numbers: [85, 17, 97] Generated Node #0,1: 95:[85, 17, 97] Operation: 77+20=97 Exploring Operation: 85-77=8, Resulting Numbers: [17, 20, 8] Generated Node #0,2: 95:[17, 20, 8] Operation: 85-77=8 Moving to Node #0,2 Current State: 95:[17, 20, 8], Operations: ['85-77=8'] Exploring Operation: 20-17=3, Resulting Numbers: [8, 3] Generated Node #0,2,0: 95:[8, 3] Operation: 20-17=3 Exploring Operation: 17-8=9, Resulting Numbers: [20, 9] Generated Node #0,2,1: 95:[20, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [20, 25] Generated Node #0,2,2: 95:[20, 25] Operation: 17+8=25 Moving to Node #0,0 Current State: 95:[85, 20, 94], Operations: ['77+17=94'] Exploring Operation: 85+20=105, Resulting Numbers: [94, 105] Generated Node #0,0,0: 95:[94, 105] Operation: 85+20=105 Exploring Operation: 20+94=114, Resulting Numbers: [85, 114] Generated Node #0,0,1: 95:[85, 114] Operation: 20+94=114 Exploring Operation: 94-85=9, Resulting Numbers: [20, 9] Generated Node #0,0,2: 95:[20, 9] Operation: 94-85=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[20, 9], Operations: ['77+17=94', '94-85=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,95 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,95 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 #0,0,0 Current State: 95:[94, 105], Operations: ['77+17=94', '85+20=105'] Exploring Operation: 94*105=9870, Resulting Numbers: [9870] 9870,95 unequal: No Solution Exploring Operation: 94+105=199, Resulting Numbers: [199] 199,95 unequal: No Solution Exploring Operation: 105-94=11, Resulting Numbers: [11] 11,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[85, 114], Operations: ['77+17=94', '20+94=114'] Exploring Operation: 85*114=9690, Resulting Numbers: [9690] 9690,95 unequal: No Solution Exploring Operation: 85+114=199, Resulting Numbers: [199] 199,95 unequal: No Solution Exploring Operation: 114-85=29, Resulting Numbers: [29] 29,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[85, 17, 97], Operations: ['77+20=97'] Exploring Operation: 85/17=5, Resulting Numbers: [97, 5] Generated Node #0,1,0: 95:[97, 5] Operation: 85/17=5 Exploring Operation: 97-85=12, Resulting Numbers: [17, 12] Generated Node #0,1,1: 95:[17, 12] Operation: 97-85=12 Exploring Operation: 85+17=102, Resulting Numbers: [97, 102] Generated Node #0,1,2: 95:[97, 102] Operation: 85+17=102 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[97, 5], Operations: ['77+20=97', '85/17=5'] Exploring Operation: 97*5=485, Resulting Numbers: [485] 485,95 unequal: No Solution Exploring Operation: 97+5=102, Resulting Numbers: [102] 102,95 unequal: No Solution Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[17, 12], Operations: ['77+20=97', '97-85=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[97, 102], Operations: ['77+20=97', '85+17=102'] Exploring Operation: 102-97=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 97*102=9894, Resulting Numbers: [9894] 9894,95 unequal: No Solution Exploring Operation: 97+102=199, Resulting Numbers: [199] 199,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 95:[8, 3], Operations: ['85-77=8', '20-17=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[20, 9], Operations: ['85-77=8', '17-8=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[20, 25], Operations: ['85-77=8', '17+8=25'] Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic