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
[ 19, 83, 22, 21 ]
24
[ "83+22=105", "105/21=5", "19+5=24" ]
Current State: 24:[19, 83, 22, 21], Operations: [] Exploring Operation: 83+22=105, Resulting Numbers: [19, 21, 105] Generated Node #2: [19, 21, 105] from Operation: 83+22=105 Current State: 24:[19, 21, 105], Operations: ['83+22=105'] Exploring Operation: 105/21=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 105/21=5 Current State: 24:[19, 5], Operations: ['83+22=105', '105/21=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[19, 83, 22, 21], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [22, 21, 64] Generated Node #0,0: 24:[22, 21, 64] Operation: 83-19=64 Exploring Operation: 83-22=61, Resulting Numbers: [19, 21, 61] Generated Node #0,1: 24:[19, 21, 61] Operation: 83-22=61 Moving to Node #0,0 Current State: 24:[22, 21, 64], Operations: ['83-19=64'] Exploring Operation: 64-21=43, Resulting Numbers: [22, 43] Generated Node #0,0,0: 24:[22, 43] Operation: 64-21=43 Exploring Operation: 64-22=42, Resulting Numbers: [21, 42] Generated Node #0,0,1: 24:[21, 42] Operation: 64-22=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[22, 43], Operations: ['83-19=64', '64-21=43'] Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[21, 42], Operations: ['83-19=64', '64-22=42'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 24:[19, 21, 61], Operations: ['83-22=61'] Exploring Operation: 61-19=42, Resulting Numbers: [21, 42] Generated Node #0,1,0: 24:[21, 42] Operation: 61-19=42 Exploring Operation: 61-21=40, Resulting Numbers: [19, 40] Generated Node #0,1,1: 24:[19, 40] Operation: 61-21=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[21, 42], Operations: ['83-22=61', '61-19=42'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[19, 40], Operations: ['83-22=61', '61-21=40'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,24 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
[ 14, 33, 3, 30 ]
71
[ "33-14=19", "3*30=90", "90-19=71" ]
Current State: 71:[14, 33, 3, 30], Operations: [] Exploring Operation: 33-14=19, Resulting Numbers: [3, 30, 19] Generated Node #2: [3, 30, 19] from Operation: 33-14=19 Current State: 71:[3, 30, 19], Operations: ['33-14=19'] Exploring Operation: 3*30=90, Resulting Numbers: [19, 90] Generated Node #3: [19, 90] from Operation: 3*30=90 Current State: 71:[19, 90], Operations: ['33-14=19', '3*30=90'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[14, 33, 3, 30], Operations: [] Exploring Operation: 14*3=42, Resulting Numbers: [33, 30, 42] Generated Node #0,0: 71:[33, 30, 42] Operation: 14*3=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[33, 30, 42], Operations: ['14*3=42'] Exploring Operation: 33+30=63, Resulting Numbers: [42, 63] Generated Node #0,0,0: 71:[42, 63] Operation: 33+30=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[42, 63], Operations: ['14*3=42', '33+30=63'] Exploring Operation: 42+63=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 24, 14, 85, 42 ]
58
[ "85-24=61", "42/14=3", "61-3=58" ]
Current State: 58:[24, 14, 85, 42], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [14, 42, 61] Generated Node #2: [14, 42, 61] from Operation: 85-24=61 Current State: 58:[14, 42, 61], Operations: ['85-24=61'] Exploring Operation: 42/14=3, Resulting Numbers: [61, 3] Generated Node #3: [61, 3] from Operation: 42/14=3 Current State: 58:[61, 3], Operations: ['85-24=61', '42/14=3'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[24, 14, 85, 42], Operations: [] Exploring Operation: 85-14=71, Resulting Numbers: [24, 42, 71] Generated Node #0,0: 58:[24, 42, 71] Operation: 85-14=71 Exploring Operation: 85-24=61, Resulting Numbers: [14, 42, 61] Generated Node #0,1: 58:[14, 42, 61] Operation: 85-24=61 Exploring Operation: 85-42=43, Resulting Numbers: [24, 14, 43] Generated Node #0,2: 58:[24, 14, 43] Operation: 85-42=43 Moving to Node #0,1 Current State: 58:[14, 42, 61], Operations: ['85-24=61'] Exploring Operation: 42/14=3, Resulting Numbers: [61, 3] Generated Node #0,1,0: 58:[61, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [61, 28] Generated Node #0,1,1: 58:[61, 28] Operation: 42-14=28 Exploring Operation: 14+42=56, Resulting Numbers: [61, 56] Generated Node #0,1,2: 58:[61, 56] Operation: 14+42=56 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[61, 3], Operations: ['85-24=61', '42/14=3'] Exploring Operation: 61*3=183, Resulting Numbers: [183] 183,58 unequal: No Solution Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[24, 14, 85, 42], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [14, 42, 61] Generated Node #0,1: 58:[14, 42, 61] Operation: 85-24=61 Moving to Node #0,1 Current State: 58:[14, 42, 61], Operations: ['85-24=61'] Exploring Operation: 42/14=3, Resulting Numbers: [61, 3] Generated Node #0,1,0: 58:[61, 3] Operation: 42/14=3 Moving to Node #0,1,0 Current State: 58:[61, 3], Operations: ['85-24=61', '42/14=3'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 47, 14, 6, 44 ]
32
[ "47-44=3", "6*3=18", "14+18=32" ]
Current State: 32:[47, 14, 6, 44], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [14, 6, 3] Generated Node #2: [14, 6, 3] from Operation: 47-44=3 Current State: 32:[14, 6, 3], Operations: ['47-44=3'] Exploring Operation: 6*3=18, Resulting Numbers: [14, 18] Generated Node #3: [14, 18] from Operation: 6*3=18 Current State: 32:[14, 18], Operations: ['47-44=3', '6*3=18'] Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[47, 14, 6, 44], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [14, 6, 3] Generated Node #0,0: 32:[14, 6, 3] Operation: 47-44=3 Exploring Operation: 47-14=33, Resulting Numbers: [6, 44, 33] Generated Node #0,1: 32:[6, 44, 33] Operation: 47-14=33 Exploring Operation: 44-14=30, Resulting Numbers: [47, 6, 30] Generated Node #0,2: 32:[47, 6, 30] Operation: 44-14=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[14, 6, 3], Operations: ['47-44=3'] Exploring Operation: 14+3=17, Resulting Numbers: [6, 17] Generated Node #0,0,0: 32:[6, 17] Operation: 14+3=17 Exploring Operation: 14-6=8, Resulting Numbers: [3, 8] Generated Node #0,0,1: 32:[3, 8] Operation: 14-6=8 Exploring Operation: 6/3=2, Resulting Numbers: [14, 2] Generated Node #0,0,2: 32:[14, 2] Operation: 6/3=2 Moving to Node #0,0,1 Current State: 32:[3, 8], Operations: ['47-44=3', '14-6=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[14, 2], Operations: ['47-44=3', '6/3=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[6, 17], Operations: ['47-44=3', '14+3=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,32 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 #0,1 Current State: 32:[6, 44, 33], Operations: ['47-14=33'] Exploring Operation: 33-6=27, Resulting Numbers: [44, 27] Generated Node #0,1,0: 32:[44, 27] Operation: 33-6=27 Exploring Operation: 44-6=38, Resulting Numbers: [33, 38] Generated Node #0,1,1: 32:[33, 38] Operation: 44-6=38 Exploring Operation: 44-33=11, Resulting Numbers: [6, 11] Generated Node #0,1,2: 32:[6, 11] Operation: 44-33=11 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[6, 11], Operations: ['47-14=33', '44-33=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,32 unequal: No Solution No 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: 32:[33, 38], Operations: ['47-14=33', '44-6=38'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,32 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,32 unequal: No Solution No 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: 32:[44, 27], Operations: ['47-14=33', '33-6=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,32 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,32 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: 32:[47, 6, 30], Operations: ['44-14=30'] Exploring Operation: 47-6=41, Resulting Numbers: [30, 41] Generated Node #0,2,0: 32:[30, 41] Operation: 47-6=41 Exploring Operation: 47-30=17, Resulting Numbers: [6, 17] Generated Node #0,2,1: 32:[6, 17] Operation: 47-30=17 Exploring Operation: 30/6=5, Resulting Numbers: [47, 5] Generated Node #0,2,2: 32:[47, 5] Operation: 30/6=5 Moving to Node #0,2,1 Current State: 32:[6, 17], Operations: ['44-14=30', '47-30=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[30, 41], Operations: ['44-14=30', '47-6=41'] Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,32 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[47, 5], Operations: ['44-14=30', '30/6=5'] Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,32 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,32 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
[ 41, 70, 95, 2 ]
86
[ "95-41=54", "70*2=140", "140-54=86" ]
Current State: 86:[41, 70, 95, 2], Operations: [] Exploring Operation: 95-41=54, Resulting Numbers: [70, 2, 54] Generated Node #2: [70, 2, 54] from Operation: 95-41=54 Current State: 86:[70, 2, 54], Operations: ['95-41=54'] Exploring Operation: 70*2=140, Resulting Numbers: [54, 140] Generated Node #3: [54, 140] from Operation: 70*2=140 Current State: 86:[54, 140], Operations: ['95-41=54', '70*2=140'] Exploring Operation: 140-54=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[41, 70, 95, 2], Operations: [] Exploring Operation: 70-41=29, Resulting Numbers: [95, 2, 29] Generated Node #0,0: 86:[95, 2, 29] Operation: 70-41=29 Exploring Operation: 41+2=43, Resulting Numbers: [70, 95, 43] Generated Node #0,1: 86:[70, 95, 43] Operation: 41+2=43 Exploring Operation: 95-70=25, Resulting Numbers: [41, 2, 25] Generated Node #0,2: 86:[41, 2, 25] Operation: 95-70=25 Exploring Operation: 70/2=35, Resulting Numbers: [41, 95, 35] Generated Node #0,3: 86:[41, 95, 35] Operation: 70/2=35 Moving to Node #0,3 Current State: 86:[41, 95, 35], Operations: ['70/2=35'] Exploring Operation: 41-35=6, Resulting Numbers: [95, 6] Generated Node #0,3,0: 86:[95, 6] Operation: 41-35=6 Exploring Operation: 95-35=60, Resulting Numbers: [41, 60] Generated Node #0,3,1: 86:[41, 60] Operation: 95-35=60 Exploring Operation: 41+35=76, Resulting Numbers: [95, 76] Generated Node #0,3,2: 86:[95, 76] Operation: 41+35=76 Exploring Operation: 95-41=54, Resulting Numbers: [35, 54] Generated Node #0,3,3: 86:[35, 54] Operation: 95-41=54 Moving to Node #0,2 Current State: 86:[41, 2, 25], Operations: ['95-70=25'] Exploring Operation: 2+25=27, Resulting Numbers: [41, 27] Generated Node #0,2,0: 86:[41, 27] Operation: 2+25=27 Exploring Operation: 41+2=43, Resulting Numbers: [25, 43] Generated Node #0,2,1: 86:[25, 43] Operation: 41+2=43 Exploring Operation: 41-25=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 86:[2, 16] Operation: 41-25=16 Exploring Operation: 2*25=50, Resulting Numbers: [41, 50] Generated Node #0,2,3: 86:[41, 50] Operation: 2*25=50 Moving to Node #0,0 Current State: 86:[95, 2, 29], Operations: ['70-41=29'] Exploring Operation: 95-2=93, Resulting Numbers: [29, 93] Generated Node #0,0,0: 86:[29, 93] Operation: 95-2=93 Exploring Operation: 95-29=66, Resulting Numbers: [2, 66] Generated Node #0,0,1: 86:[2, 66] Operation: 95-29=66 Exploring Operation: 2*29=58, Resulting Numbers: [95, 58] Generated Node #0,0,2: 86:[95, 58] Operation: 2*29=58 Exploring Operation: 2+29=31, Resulting Numbers: [95, 31] Generated Node #0,0,3: 86:[95, 31] Operation: 2+29=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[2, 66], Operations: ['70-41=29', '95-29=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,86 unequal: No Solution Exploring Operation: 2*66=132, Resulting Numbers: [132] 132,86 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,86 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[29, 93], Operations: ['70-41=29', '95-2=93'] Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,86 unequal: No Solution Exploring Operation: 29*93=2697, Resulting Numbers: [2697] 2697,86 unequal: No Solution Exploring Operation: 29+93=122, Resulting Numbers: [122] 122,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[95, 31], Operations: ['70-41=29', '2+29=31'] Exploring Operation: 95+31=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 95*31=2945, Resulting Numbers: [2945] 2945,86 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,86 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:[95, 58], Operations: ['70-41=29', '2*29=58'] Exploring Operation: 95*58=5510, Resulting Numbers: [5510] 5510,86 unequal: No Solution Exploring Operation: 95+58=153, Resulting Numbers: [153] 153,86 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 86:[70, 95, 43], Operations: ['41+2=43'] Exploring Operation: 95-70=25, Resulting Numbers: [43, 25] Generated Node #0,1,0: 86:[43, 25] Operation: 95-70=25 Exploring Operation: 70+43=113, Resulting Numbers: [95, 113] Generated Node #0,1,1: 86:[95, 113] Operation: 70+43=113 Exploring Operation: 95-43=52, Resulting Numbers: [70, 52] Generated Node #0,1,2: 86:[70, 52] Operation: 95-43=52 Exploring Operation: 70-43=27, Resulting Numbers: [95, 27] Generated Node #0,1,3: 86:[95, 27] Operation: 70-43=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[43, 25], Operations: ['41+2=43', '95-70=25'] Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,86 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[70, 52], Operations: ['41+2=43', '95-43=52'] Exploring Operation: 70*52=3640, Resulting Numbers: [3640] 3640,86 unequal: No Solution Exploring Operation: 70+52=122, Resulting Numbers: [122] 122,86 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[95, 27], Operations: ['41+2=43', '70-43=27'] Exploring Operation: 95+27=122, Resulting Numbers: [122] 122,86 unequal: No Solution Exploring Operation: 95*27=2565, Resulting Numbers: [2565] 2565,86 unequal: No Solution Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[95, 113], Operations: ['41+2=43', '70+43=113'] Exploring Operation: 95+113=208, Resulting Numbers: [208] 208,86 unequal: No Solution Exploring Operation: 95*113=10735, Resulting Numbers: [10735] 10735,86 unequal: No Solution Exploring Operation: 113-95=18, Resulting Numbers: [18] 18,86 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: 86:[41, 50], Operations: ['95-70=25', '2*25=50'] Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,86 unequal: No Solution Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,86 unequal: No Solution Moving to Node #0,3,0 Current State: 86:[95, 6], Operations: ['70/2=35', '41-35=6'] Exploring Operation: 95+6=101, Resulting Numbers: [101] 101,86 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 95*6=570, Resulting Numbers: [570] 570,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[2, 16], Operations: ['95-70=25', '41-25=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[41, 27], Operations: ['95-70=25', '2+25=27'] Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,86 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[25, 43], Operations: ['95-70=25', '41+2=43'] Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,86 unequal: No Solution Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,86 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[95, 76], Operations: ['70/2=35', '41+35=76'] Exploring Operation: 95*76=7220, Resulting Numbers: [7220] 7220,86 unequal: No Solution Exploring Operation: 95+76=171, Resulting Numbers: [171] 171,86 unequal: No Solution Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[35, 54], Operations: ['70/2=35', '95-41=54'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,86 unequal: No Solution Exploring Operation: 35*54=1890, Resulting Numbers: [1890] 1890,86 unequal: No Solution Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[41, 60], Operations: ['70/2=35', '95-35=60'] Exploring Operation: 41*60=2460, Resulting Numbers: [2460] 2460,86 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,86 unequal: No Solution Exploring Operation: 41+60=101, Resulting Numbers: [101] 101,86 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 72, 48, 45, 69 ]
48
[ "72-48=24", "69-45=24", "24+24=48" ]
Current State: 48:[72, 48, 45, 69], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [45, 69, 24] Generated Node #2: [45, 69, 24] from Operation: 72-48=24 Current State: 48:[45, 69, 24], Operations: ['72-48=24'] Exploring Operation: 69-45=24, Resulting Numbers: [24, 24] Generated Node #3: [24, 24] from Operation: 69-45=24 Current State: 48:[24, 24], Operations: ['72-48=24', '69-45=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[72, 48, 45, 69], Operations: [] Exploring Operation: 72-45=27, Resulting Numbers: [48, 69, 27] Generated Node #0,0: 48:[48, 69, 27] Operation: 72-45=27 Exploring Operation: 72-69=3, Resulting Numbers: [48, 45, 3] Generated Node #0,1: 48:[48, 45, 3] Operation: 72-69=3 Exploring Operation: 72-48=24, Resulting Numbers: [45, 69, 24] Generated Node #0,2: 48:[45, 69, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[48, 45, 3], Operations: ['72-69=3'] Exploring Operation: 48-45=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 48:[3, 3] Operation: 48-45=3 Exploring Operation: 45+3=48, Resulting Numbers: [48, 48] Generated Node #0,1,1: 48:[48, 48] Operation: 45+3=48 Exploring Operation: 45/3=15, Resulting Numbers: [48, 15] Generated Node #0,1,2: 48:[48, 15] Operation: 45/3=15 Moving to Node #0,1,0 Current State: 48:[3, 3], Operations: ['72-69=3', '48-45=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[48, 48], Operations: ['72-69=3', '45+3=48'] Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[48, 15], Operations: ['72-69=3', '45/3=15'] Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,48 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,48 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 Current State: 48:[48, 69, 27], Operations: ['72-45=27'] Exploring Operation: 48-27=21, Resulting Numbers: [69, 21] Generated Node #0,0,0: 48:[69, 21] Operation: 48-27=21 Exploring Operation: 69-27=42, Resulting Numbers: [48, 42] Generated Node #0,0,1: 48:[48, 42] Operation: 69-27=42 Exploring Operation: 69-48=21, Resulting Numbers: [27, 21] Generated Node #0,0,2: 48:[27, 21] Operation: 69-48=21 Moving to Node #0,0,1 Current State: 48:[48, 42], Operations: ['72-45=27', '69-27=42'] Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 48*42=2016, Resulting Numbers: [2016] 2016,48 unequal: No Solution Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[27, 21], Operations: ['72-45=27', '69-48=21'] Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,48 unequal: No Solution Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[72, 48, 45, 69], Operations: [] Exploring Operation: 72-45=27, Resulting Numbers: [48, 69, 27] Generated Node #0,0: 48:[48, 69, 27] Operation: 72-45=27 Moving to Node #0,0 Current State: 48:[48, 69, 27], Operations: ['72-45=27'] Exploring Operation: 69-48=21, Resulting Numbers: [27, 21] Generated Node #0,0,2: 48:[27, 21] Operation: 69-48=21 Moving to Node #0,0,2 Current State: 48:[27, 21], Operations: ['72-45=27', '69-48=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 85, 32, 38, 3 ]
82
[ "85+32=117", "38-3=35", "117-35=82" ]
Current State: 82:[85, 32, 38, 3], Operations: [] Exploring Operation: 85+32=117, Resulting Numbers: [38, 3, 117] Generated Node #2: [38, 3, 117] from Operation: 85+32=117 Current State: 82:[38, 3, 117], Operations: ['85+32=117'] Exploring Operation: 38-3=35, Resulting Numbers: [117, 35] Generated Node #3: [117, 35] from Operation: 38-3=35 Current State: 82:[117, 35], Operations: ['85+32=117', '38-3=35'] Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[85, 32, 38, 3], Operations: [] Exploring Operation: 32+3=35, Resulting Numbers: [85, 38, 35] Generated Node #0,0: 82:[85, 38, 35] Operation: 32+3=35 Exploring Operation: 38+3=41, Resulting Numbers: [85, 32, 41] Generated Node #0,1: 82:[85, 32, 41] Operation: 38+3=41 Exploring Operation: 38-32=6, Resulting Numbers: [85, 3, 6] Generated Node #0,2: 82:[85, 3, 6] Operation: 38-32=6 Exploring Operation: 85-32=53, Resulting Numbers: [38, 3, 53] Generated Node #0,3: 82:[38, 3, 53] Operation: 85-32=53 Exploring Operation: 85-3=82, Resulting Numbers: [32, 38, 82] Generated Node #0,4: 82:[32, 38, 82] Operation: 85-3=82 Moving to Node #0,2 Current State: 82:[85, 3, 6], Operations: ['38-32=6'] Exploring Operation: 6-3=3, Resulting Numbers: [85, 3] Generated Node #0,2,0: 82:[85, 3] Operation: 6-3=3 Exploring Operation: 85+3=88, Resulting Numbers: [6, 88] Generated Node #0,2,1: 82:[6, 88] Operation: 85+3=88 Exploring Operation: 85-6=79, Resulting Numbers: [3, 79] Generated Node #0,2,2: 82:[3, 79] Operation: 85-6=79 Exploring Operation: 85-3=82, Resulting Numbers: [6, 82] Generated Node #0,2,3: 82:[6, 82] Operation: 85-3=82 Exploring Operation: 6/3=2, Resulting Numbers: [85, 2] Generated Node #0,2,4: 82:[85, 2] Operation: 6/3=2 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 82:[85, 2], Operations: ['38-32=6', '6/3=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,82 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,82 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 #0,2,0 Current State: 82:[85, 3], Operations: ['38-32=6', '6-3=3'] Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,82 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[85, 32, 38, 3], Operations: [] Exploring Operation: 38-32=6, Resulting Numbers: [85, 3, 6] Generated Node #0,2: 82:[85, 3, 6] Operation: 38-32=6 Moving to Node #0,2 Current State: 82:[85, 3, 6], Operations: ['38-32=6'] Exploring Operation: 6-3=3, Resulting Numbers: [85, 3] Generated Node #0,2,0: 82:[85, 3] Operation: 6-3=3 Moving to Node #0,2,0 Current State: 82:[85, 3], Operations: ['38-32=6', '6-3=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 84, 14, 28, 35 ]
86
[ "35-28=7", "14/7=2", "84+2=86" ]
Current State: 86:[84, 14, 28, 35], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [84, 14, 7] Generated Node #2: [84, 14, 7] from Operation: 35-28=7 Current State: 86:[84, 14, 7], Operations: ['35-28=7'] Exploring Operation: 14/7=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 14/7=2 Current State: 86:[84, 2], Operations: ['35-28=7', '14/7=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[84, 14, 28, 35], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [84, 35, 2] Generated Node #0,0: 86:[84, 35, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [84, 35, 14] Generated Node #0,1: 86:[84, 35, 14] Operation: 28-14=14 Exploring Operation: 84/28=3, Resulting Numbers: [14, 35, 3] Generated Node #0,2: 86:[14, 35, 3] Operation: 84/28=3 Exploring Operation: 14+28=42, Resulting Numbers: [84, 35, 42] Generated Node #0,3: 86:[84, 35, 42] Operation: 14+28=42 Exploring Operation: 35-28=7, Resulting Numbers: [84, 14, 7] Generated Node #0,4: 86:[84, 14, 7] Operation: 35-28=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[84, 35, 2], Operations: ['28/14=2'] Exploring Operation: 84/2=42, Resulting Numbers: [35, 42] Generated Node #0,0,0: 86:[35, 42] Operation: 84/2=42 Exploring Operation: 84-35=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 86:[2, 49] Operation: 84-35=49 Exploring Operation: 84+2=86, Resulting Numbers: [35, 86] Generated Node #0,0,2: 86:[35, 86] Operation: 84+2=86 Exploring Operation: 84-2=82, Resulting Numbers: [35, 82] Generated Node #0,0,3: 86:[35, 82] Operation: 84-2=82 Exploring Operation: 35+2=37, Resulting Numbers: [84, 37] Generated Node #0,0,4: 86:[84, 37] Operation: 35+2=37 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[2, 49], Operations: ['28/14=2', '84-35=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,86 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 86:[35, 86], Operations: ['28/14=2', '84+2=86'] Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,86 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 86:[84, 37], Operations: ['28/14=2', '35+2=37'] Exploring Operation: 84*37=3108, Resulting Numbers: [3108] 3108,86 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 84+37=121, Resulting Numbers: [121] 121,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[35, 42], Operations: ['28/14=2', '84/2=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 86:[35, 82], Operations: ['28/14=2', '84-2=82'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,86 unequal: No Solution Exploring Operation: 35*82=2870, Resulting Numbers: [2870] 2870,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[84, 35, 42], Operations: ['14+28=42'] Exploring Operation: 84-42=42, Resulting Numbers: [35, 42] Generated Node #0,3,0: 86:[35, 42] Operation: 84-42=42 Exploring Operation: 35+42=77, Resulting Numbers: [84, 77] Generated Node #0,3,1: 86:[84, 77] Operation: 35+42=77 Exploring Operation: 42-35=7, Resulting Numbers: [84, 7] Generated Node #0,3,2: 86:[84, 7] Operation: 42-35=7 Exploring Operation: 84/42=2, Resulting Numbers: [35, 2] Generated Node #0,3,3: 86:[35, 2] Operation: 84/42=2 Exploring Operation: 84-35=49, Resulting Numbers: [42, 49] Generated Node #0,3,4: 86:[42, 49] Operation: 84-35=49 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 86:[84, 7], Operations: ['14+28=42', '42-35=7'] Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,86 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,86 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 86:[42, 49], Operations: ['14+28=42', '84-35=49'] Exploring Operation: 42+49=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 42*49=2058, Resulting Numbers: [2058] 2058,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 86:[35, 2], Operations: ['14+28=42', '84/42=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,86 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 86:[35, 42], Operations: ['14+28=42', '84-42=42'] Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,86 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 86:[84, 77], Operations: ['14+28=42', '35+42=77'] Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,86 unequal: No Solution Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,86 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 86:[84, 14, 7], Operations: ['35-28=7'] Exploring Operation: 14-7=7, Resulting Numbers: [84, 7] Generated Node #0,4,0: 86:[84, 7] Operation: 14-7=7 Exploring Operation: 84+14=98, Resulting Numbers: [7, 98] Generated Node #0,4,1: 86:[7, 98] Operation: 84+14=98 Exploring Operation: 84/14=6, Resulting Numbers: [7, 6] Generated Node #0,4,2: 86:[7, 6] Operation: 84/14=6 Exploring Operation: 14/7=2, Resulting Numbers: [84, 2] Generated Node #0,4,3: 86:[84, 2] Operation: 14/7=2 Exploring Operation: 14*7=98, Resulting Numbers: [84, 98] Generated Node #0,4,4: 86:[84, 98] Operation: 14*7=98 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 86:[84, 2], Operations: ['35-28=7', '14/7=2'] Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,86 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[84, 14, 28, 35], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [84, 14, 7] Generated Node #0,4: 86:[84, 14, 7] Operation: 35-28=7 Moving to Node #0,4 Current State: 86:[84, 14, 7], Operations: ['35-28=7'] Exploring Operation: 14/7=2, Resulting Numbers: [84, 2] Generated Node #0,4,3: 86:[84, 2] Operation: 14/7=2 Moving to Node #0,4,3 Current State: 86:[84, 2], Operations: ['35-28=7', '14/7=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.950521
hs_5
sum_heuristic
[ 13, 81, 27, 29 ]
47
[ "13+81=94", "29-27=2", "94/2=47" ]
Current State: 47:[13, 81, 27, 29], Operations: [] Exploring Operation: 13+81=94, Resulting Numbers: [27, 29, 94] Generated Node #2: [27, 29, 94] from Operation: 13+81=94 Current State: 47:[27, 29, 94], Operations: ['13+81=94'] Exploring Operation: 29-27=2, Resulting Numbers: [94, 2] Generated Node #3: [94, 2] from Operation: 29-27=2 Current State: 47:[94, 2], Operations: ['13+81=94', '29-27=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[13, 81, 27, 29], Operations: [] Exploring Operation: 13+29=42, Resulting Numbers: [81, 27, 42] Generated Node #0,0: 47:[81, 27, 42] Operation: 13+29=42 Exploring Operation: 81-13=68, Resulting Numbers: [27, 29, 68] Generated Node #0,1: 47:[27, 29, 68] Operation: 81-13=68 Exploring Operation: 13+27=40, Resulting Numbers: [81, 29, 40] Generated Node #0,2: 47:[81, 29, 40] Operation: 13+27=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[81, 27, 42], Operations: ['13+29=42'] Exploring Operation: 81-42=39, Resulting Numbers: [27, 39] Generated Node #0,0,0: 47:[27, 39] Operation: 81-42=39 Exploring Operation: 81-27=54, Resulting Numbers: [42, 54] Generated Node #0,0,1: 47:[42, 54] Operation: 81-27=54 Exploring Operation: 81/27=3, Resulting Numbers: [42, 3] Generated Node #0,0,2: 47:[42, 3] Operation: 81/27=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[42, 54], Operations: ['13+29=42', '81-27=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,47 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 #0,0,0 Current State: 47:[27, 39], Operations: ['13+29=42', '81-42=39'] Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,47 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,47 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 #0,0,2 Current State: 47:[42, 3], Operations: ['13+29=42', '81/27=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,47 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 #0,1 Current State: 47:[27, 29, 68], Operations: ['81-13=68'] Exploring Operation: 27+29=56, Resulting Numbers: [68, 56] Generated Node #0,1,0: 47:[68, 56] Operation: 27+29=56 Exploring Operation: 68-27=41, Resulting Numbers: [29, 41] Generated Node #0,1,1: 47:[29, 41] Operation: 68-27=41 Exploring Operation: 68-29=39, Resulting Numbers: [27, 39] Generated Node #0,1,2: 47:[27, 39] Operation: 68-29=39 Moving to Node #0,1,1 Current State: 47:[29, 41], Operations: ['81-13=68', '68-27=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,47 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[27, 39], Operations: ['81-13=68', '68-29=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[68, 56], Operations: ['81-13=68', '27+29=56'] Exploring Operation: 68*56=3808, Resulting Numbers: [3808] 3808,47 unequal: No Solution Exploring Operation: 68-56=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 68+56=124, Resulting Numbers: [124] 124,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[81, 29, 40], Operations: ['13+27=40'] Exploring Operation: 81-40=41, Resulting Numbers: [29, 41] Generated Node #0,2,0: 47:[29, 41] Operation: 81-40=41 Exploring Operation: 29+40=69, Resulting Numbers: [81, 69] Generated Node #0,2,1: 47:[81, 69] Operation: 29+40=69 Exploring Operation: 81-29=52, Resulting Numbers: [40, 52] Generated Node #0,2,2: 47:[40, 52] Operation: 81-29=52 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[40, 52], Operations: ['13+27=40', '81-29=52'] Exploring Operation: 40+52=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 40*52=2080, Resulting Numbers: [2080] 2080,47 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:[29, 41], Operations: ['13+27=40', '81-40=41'] Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,47 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[81, 69], Operations: ['13+27=40', '29+40=69'] Exploring Operation: 81+69=150, Resulting Numbers: [150] 150,47 unequal: No Solution Exploring Operation: 81*69=5589, Resulting Numbers: [5589] 5589,47 unequal: No Solution Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,47 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 No solution found.
0
hs_3
sum_heuristic
[ 25, 66, 11, 26 ]
54
[ "25+66=91", "11+26=37", "91-37=54" ]
Current State: 54:[25, 66, 11, 26], Operations: [] Exploring Operation: 25+66=91, Resulting Numbers: [11, 26, 91] Generated Node #2: [11, 26, 91] from Operation: 25+66=91 Current State: 54:[11, 26, 91], Operations: ['25+66=91'] Exploring Operation: 11+26=37, Resulting Numbers: [91, 37] Generated Node #3: [91, 37] from Operation: 11+26=37 Current State: 54:[91, 37], Operations: ['25+66=91', '11+26=37'] Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[25, 66, 11, 26], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [25, 26, 6] Generated Node #0,0: 54:[25, 26, 6] Operation: 66/11=6 Moving to Node #0,0 Current State: 54:[25, 26, 6], Operations: ['66/11=6'] Exploring Operation: 26-25=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 54:[6, 1] Operation: 26-25=1 Moving to Node #0,0,0 Current State: 54:[6, 1], Operations: ['66/11=6', '26-25=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,54 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 59, 94, 70, 52 ]
84
[ "59-52=7", "70/7=10", "94-10=84" ]
Current State: 84:[59, 94, 70, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [94, 70, 7] Generated Node #2: [94, 70, 7] from Operation: 59-52=7 Current State: 84:[94, 70, 7], Operations: ['59-52=7'] Exploring Operation: 70/7=10, Resulting Numbers: [94, 10] Generated Node #3: [94, 10] from Operation: 70/7=10 Current State: 84:[94, 10], Operations: ['59-52=7', '70/7=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[59, 94, 70, 52], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [59, 52, 24] Generated Node #0,0: 84:[59, 52, 24] Operation: 94-70=24 Exploring Operation: 59-52=7, Resulting Numbers: [94, 70, 7] Generated Node #0,1: 84:[94, 70, 7] Operation: 59-52=7 Exploring Operation: 70-59=11, Resulting Numbers: [94, 52, 11] Generated Node #0,2: 84:[94, 52, 11] Operation: 70-59=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[94, 52, 11], Operations: ['70-59=11'] Exploring Operation: 52-11=41, Resulting Numbers: [94, 41] Generated Node #0,2,0: 84:[94, 41] Operation: 52-11=41 Exploring Operation: 94-52=42, Resulting Numbers: [11, 42] Generated Node #0,2,1: 84:[11, 42] Operation: 94-52=42 Exploring Operation: 94-11=83, Resulting Numbers: [52, 83] Generated Node #0,2,2: 84:[52, 83] Operation: 94-11=83 Moving to Node #0,2,1 Current State: 84:[11, 42], Operations: ['70-59=11', '94-52=42'] Exploring Operation: 11+42=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 11*42=462, Resulting Numbers: [462] 462,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[94, 41], Operations: ['70-59=11', '52-11=41'] Exploring Operation: 94-41=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 94+41=135, Resulting Numbers: [135] 135,84 unequal: No Solution Exploring Operation: 94*41=3854, Resulting Numbers: [3854] 3854,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[52, 83], Operations: ['70-59=11', '94-11=83'] Exploring Operation: 52*83=4316, Resulting Numbers: [4316] 4316,84 unequal: No Solution Exploring Operation: 83-52=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 52+83=135, Resulting Numbers: [135] 135,84 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 #0,1 Current State: 84:[94, 70, 7], Operations: ['59-52=7'] Exploring Operation: 70/7=10, Resulting Numbers: [94, 10] Generated Node #0,1,0: 84:[94, 10] Operation: 70/7=10 Exploring Operation: 94-7=87, Resulting Numbers: [70, 87] Generated Node #0,1,1: 84:[70, 87] Operation: 94-7=87 Exploring Operation: 94-70=24, Resulting Numbers: [7, 24] Generated Node #0,1,2: 84:[7, 24] Operation: 94-70=24 Moving to Node #0,1,2 Current State: 84:[7, 24], Operations: ['59-52=7', '94-70=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,84 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[94, 10], Operations: ['59-52=7', '70/7=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[59, 94, 70, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [94, 70, 7] Generated Node #0,1: 84:[94, 70, 7] Operation: 59-52=7 Moving to Node #0,1 Current State: 84:[94, 70, 7], Operations: ['59-52=7'] Exploring Operation: 70/7=10, Resulting Numbers: [94, 10] Generated Node #0,1,0: 84:[94, 10] Operation: 70/7=10 Moving to Node #0,1,0 Current State: 84:[94, 10], Operations: ['59-52=7', '70/7=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 5, 31, 90, 28 ]
21
[ "90/5=18", "31-28=3", "18+3=21" ]
Current State: 21:[5, 31, 90, 28], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [31, 28, 18] Generated Node #2: [31, 28, 18] from Operation: 90/5=18 Current State: 21:[31, 28, 18], Operations: ['90/5=18'] Exploring Operation: 31-28=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 31-28=3 Current State: 21:[18, 3], Operations: ['90/5=18', '31-28=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[5, 31, 90, 28], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [5, 90, 3] Generated Node #0,0: 21:[5, 90, 3] Operation: 31-28=3 Exploring Operation: 90-28=62, Resulting Numbers: [5, 31, 62] Generated Node #0,1: 21:[5, 31, 62] Operation: 90-28=62 Exploring Operation: 31-5=26, Resulting Numbers: [90, 28, 26] Generated Node #0,2: 21:[90, 28, 26] Operation: 31-5=26 Exploring Operation: 90-31=59, Resulting Numbers: [5, 28, 59] Generated Node #0,3: 21:[5, 28, 59] Operation: 90-31=59 Exploring Operation: 90/5=18, Resulting Numbers: [31, 28, 18] Generated Node #0,4: 21:[31, 28, 18] Operation: 90/5=18 Start Sub Search at level 1: Moving to Node #0,4 Current State: 21:[31, 28, 18], Operations: ['90/5=18'] Exploring Operation: 28-18=10, Resulting Numbers: [31, 10] Generated Node #0,4,0: 21:[31, 10] Operation: 28-18=10 Exploring Operation: 31-18=13, Resulting Numbers: [28, 13] Generated Node #0,4,1: 21:[28, 13] Operation: 31-18=13 Exploring Operation: 31+18=49, Resulting Numbers: [28, 49] Generated Node #0,4,2: 21:[28, 49] Operation: 31+18=49 Exploring Operation: 28+18=46, Resulting Numbers: [31, 46] Generated Node #0,4,3: 21:[31, 46] Operation: 28+18=46 Exploring Operation: 31-28=3, Resulting Numbers: [18, 3] Generated Node #0,4,4: 21:[18, 3] Operation: 31-28=3 Moving to Node #0,4,4 Current State: 21:[18, 3], Operations: ['90/5=18', '31-28=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[5, 31, 90, 28], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [31, 28, 18] Generated Node #0,4: 21:[31, 28, 18] Operation: 90/5=18 Moving to Node #0,4 Current State: 21:[31, 28, 18], Operations: ['90/5=18'] Exploring Operation: 31-28=3, Resulting Numbers: [18, 3] Generated Node #0,4,4: 21:[18, 3] Operation: 31-28=3 Moving to Node #0,4,4 Current State: 21:[18, 3], Operations: ['90/5=18', '31-28=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 86, 21, 27, 27 ]
64
[ "86-21=65", "27/27=1", "65-1=64" ]
Current State: 64:[86, 21, 27, 27], Operations: [] Exploring Operation: 86-21=65, Resulting Numbers: [27, 27, 65] Generated Node #2: [27, 27, 65] from Operation: 86-21=65 Current State: 64:[27, 27, 65], Operations: ['86-21=65'] Exploring Operation: 27/27=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 27/27=1 Current State: 64:[65, 1], Operations: ['86-21=65', '27/27=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[86, 21, 27, 27], Operations: [] Exploring Operation: 86-27=59, Resulting Numbers: [21, 27, 59] Generated Node #0,0: 64:[21, 27, 59] Operation: 86-27=59 Exploring Operation: 27/27=1, Resulting Numbers: [86, 21, 1] Generated Node #0,1: 64:[86, 21, 1] Operation: 27/27=1 Exploring Operation: 86-27=59, Resulting Numbers: [21, 27, 59] Generated Node #0,2: 64:[21, 27, 59] Operation: 86-27=59 Exploring Operation: 86-21=65, Resulting Numbers: [27, 27, 65] Generated Node #0,3: 64:[27, 27, 65] Operation: 86-21=65 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[27, 27, 65], Operations: ['86-21=65'] Exploring Operation: 27/27=1, Resulting Numbers: [65, 1] Generated Node #0,3,0: 64:[65, 1] Operation: 27/27=1 Exploring Operation: 65-27=38, Resulting Numbers: [27, 38] Generated Node #0,3,1: 64:[27, 38] Operation: 65-27=38 Exploring Operation: 27-27=0, Resulting Numbers: [65, 0] Generated Node #0,3,2: 64:[65, 0] Operation: 27-27=0 Exploring Operation: 27+27=54, Resulting Numbers: [65, 54] Generated Node #0,3,3: 64:[65, 54] Operation: 27+27=54 Moving to Node #0,3,0 Current State: 64:[65, 1], Operations: ['86-21=65', '27/27=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[86, 21, 27, 27], Operations: [] Exploring Operation: 86-21=65, Resulting Numbers: [27, 27, 65] Generated Node #0,3: 64:[27, 27, 65] Operation: 86-21=65 Moving to Node #0,3 Current State: 64:[27, 27, 65], Operations: ['86-21=65'] Exploring Operation: 27/27=1, Resulting Numbers: [65, 1] Generated Node #0,3,0: 64:[65, 1] Operation: 27/27=1 Moving to Node #0,3,0 Current State: 64:[65, 1], Operations: ['86-21=65', '27/27=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 85, 67, 14, 78 ]
88
[ "85+67=152", "78-14=64", "152-64=88" ]
Current State: 88:[85, 67, 14, 78], Operations: [] Exploring Operation: 85+67=152, Resulting Numbers: [14, 78, 152] Generated Node #2: [14, 78, 152] from Operation: 85+67=152 Current State: 88:[14, 78, 152], Operations: ['85+67=152'] Exploring Operation: 78-14=64, Resulting Numbers: [152, 64] Generated Node #3: [152, 64] from Operation: 78-14=64 Current State: 88:[152, 64], Operations: ['85+67=152', '78-14=64'] Exploring Operation: 152-64=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[85, 67, 14, 78], Operations: [] Exploring Operation: 67-14=53, Resulting Numbers: [85, 78, 53] Generated Node #0,0: 88:[85, 78, 53] Operation: 67-14=53 Exploring Operation: 85-67=18, Resulting Numbers: [14, 78, 18] Generated Node #0,1: 88:[14, 78, 18] Operation: 85-67=18 Exploring Operation: 67+14=81, Resulting Numbers: [85, 78, 81] Generated Node #0,2: 88:[85, 78, 81] Operation: 67+14=81 Exploring Operation: 78-67=11, Resulting Numbers: [85, 14, 11] Generated Node #0,3: 88:[85, 14, 11] Operation: 78-67=11 Moving to Node #0,3 Current State: 88:[85, 14, 11], Operations: ['78-67=11'] Exploring Operation: 85+14=99, Resulting Numbers: [11, 99] Generated Node #0,3,0: 88:[11, 99] Operation: 85+14=99 Exploring Operation: 14+11=25, Resulting Numbers: [85, 25] Generated Node #0,3,1: 88:[85, 25] Operation: 14+11=25 Exploring Operation: 85+11=96, Resulting Numbers: [14, 96] Generated Node #0,3,2: 88:[14, 96] Operation: 85+11=96 Exploring Operation: 14-11=3, Resulting Numbers: [85, 3] Generated Node #0,3,3: 88:[85, 3] Operation: 14-11=3 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 88:[85, 3], Operations: ['78-67=11', '14-11=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[85, 67, 14, 78], Operations: [] Exploring Operation: 78-67=11, Resulting Numbers: [85, 14, 11] Generated Node #0,3: 88:[85, 14, 11] Operation: 78-67=11 Moving to Node #0,3 Current State: 88:[85, 14, 11], Operations: ['78-67=11'] Exploring Operation: 14-11=3, Resulting Numbers: [85, 3] Generated Node #0,3,3: 88:[85, 3] Operation: 14-11=3 Moving to Node #0,3,3 Current State: 88:[85, 3], Operations: ['78-67=11', '14-11=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 29, 84, 38, 87 ]
19
[ "38-29=9", "84+87=171", "171/9=19" ]
Current State: 19:[29, 84, 38, 87], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [84, 87, 9] Generated Node #2: [84, 87, 9] from Operation: 38-29=9 Current State: 19:[84, 87, 9], Operations: ['38-29=9'] Exploring Operation: 84+87=171, Resulting Numbers: [9, 171] Generated Node #3: [9, 171] from Operation: 84+87=171 Current State: 19:[9, 171], Operations: ['38-29=9', '84+87=171'] Exploring Operation: 171/9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[29, 84, 38, 87], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [29, 38, 3] Generated Node #0,0: 19:[29, 38, 3] Operation: 87-84=3 Moving to Node #0,0 Current State: 19:[29, 38, 3], Operations: ['87-84=3'] Exploring Operation: 38-29=9, Resulting Numbers: [3, 9] Generated Node #0,0,0: 19:[3, 9] Operation: 38-29=9 Moving to Node #0,0,0 Current State: 19:[3, 9], Operations: ['87-84=3', '38-29=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,19 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 41, 41, 89, 63 ]
63
[ "41-41=0", "89*0=0", "63+0=63" ]
Current State: 63:[41, 41, 89, 63], Operations: [] Exploring Operation: 41-41=0, Resulting Numbers: [89, 63, 0] Generated Node #2: [89, 63, 0] from Operation: 41-41=0 Current State: 63:[89, 63, 0], Operations: ['41-41=0'] Exploring Operation: 89*0=0, Resulting Numbers: [63, 0] Generated Node #3: [63, 0] from Operation: 89*0=0 Current State: 63:[63, 0], Operations: ['41-41=0', '89*0=0'] Exploring Operation: 63+0=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[41, 41, 89, 63], Operations: [] Exploring Operation: 41/41=1, Resulting Numbers: [89, 63, 1] Generated Node #0,0: 63:[89, 63, 1] Operation: 41/41=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[89, 63, 1], Operations: ['41/41=1'] Exploring Operation: 89-63=26, Resulting Numbers: [1, 26] Generated Node #0,0,0: 63:[1, 26] Operation: 89-63=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[1, 26], Operations: ['41/41=1', '89-63=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 63, 91, 67 ]
13
[ "63-26=37", "91-67=24", "37-24=13" ]
Current State: 13:[26, 63, 91, 67], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [91, 67, 37] Generated Node #2: [91, 67, 37] from Operation: 63-26=37 Current State: 13:[91, 67, 37], Operations: ['63-26=37'] Exploring Operation: 91-67=24, Resulting Numbers: [37, 24] Generated Node #3: [37, 24] from Operation: 91-67=24 Current State: 13:[37, 24], Operations: ['63-26=37', '91-67=24'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[26, 63, 91, 67], Operations: [] Exploring Operation: 91-67=24, Resulting Numbers: [26, 63, 24] Generated Node #0,0: 13:[26, 63, 24] Operation: 91-67=24 Exploring Operation: 91-63=28, Resulting Numbers: [26, 67, 28] Generated Node #0,1: 13:[26, 67, 28] Operation: 91-63=28 Exploring Operation: 63-26=37, Resulting Numbers: [91, 67, 37] Generated Node #0,2: 13:[91, 67, 37] Operation: 63-26=37 Exploring Operation: 67-63=4, Resulting Numbers: [26, 91, 4] Generated Node #0,3: 13:[26, 91, 4] Operation: 67-63=4 Moving to Node #0,0 Current State: 13:[26, 63, 24], Operations: ['91-67=24'] Exploring Operation: 26-24=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 13:[63, 2] Operation: 26-24=2 Exploring Operation: 63-24=39, Resulting Numbers: [26, 39] Generated Node #0,0,1: 13:[26, 39] Operation: 63-24=39 Exploring Operation: 26+63=89, Resulting Numbers: [24, 89] Generated Node #0,0,2: 13:[24, 89] Operation: 26+63=89 Exploring Operation: 63-26=37, Resulting Numbers: [24, 37] Generated Node #0,0,3: 13:[24, 37] Operation: 63-26=37 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[24, 37], Operations: ['91-67=24', '63-26=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[26, 63, 91, 67], Operations: [] Exploring Operation: 91-67=24, Resulting Numbers: [26, 63, 24] Generated Node #0,0: 13:[26, 63, 24] Operation: 91-67=24 Moving to Node #0,0 Current State: 13:[26, 63, 24], Operations: ['91-67=24'] Exploring Operation: 63-26=37, Resulting Numbers: [24, 37] Generated Node #0,0,3: 13:[24, 37] Operation: 63-26=37 Moving to Node #0,0,3 Current State: 13:[24, 37], Operations: ['91-67=24', '63-26=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 40, 50, 52, 52 ]
24
[ "52-40=12", "52-50=2", "12*2=24" ]
Current State: 24:[40, 50, 52, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [50, 12] Generated Node #2: [50, 12] from Operation: 52-40=12 Current State: 24:[50, 12], Operations: ['52-40=12'] Exploring Operation: 52-50=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 52-50=2 Current State: 24:[12, 2], Operations: ['52-40=12', '52-50=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[40, 50, 52, 52], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [40, 50, 1] Generated Node #0,0: 24:[40, 50, 1] Operation: 52/52=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[40, 50, 1], Operations: ['52/52=1'] Exploring Operation: 50-40=10, Resulting Numbers: [1, 10] Generated Node #0,0,0: 24:[1, 10] Operation: 50-40=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[1, 10], Operations: ['52/52=1', '50-40=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,24 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_1
mult_heuristic
[ 51, 12, 90, 63 ]
89
[ "51+12=63", "63/63=1", "90-1=89" ]
Current State: 89:[51, 12, 90, 63], Operations: [] Exploring Operation: 51+12=63, Resulting Numbers: [90, 63, 63] Generated Node #2: [90, 63, 63] from Operation: 51+12=63 Current State: 89:[90, 63, 63], Operations: ['51+12=63'] Exploring Operation: 63/63=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 63/63=1 Current State: 89:[90, 1], Operations: ['51+12=63', '63/63=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[51, 12, 90, 63], Operations: [] Exploring Operation: 12+63=75, Resulting Numbers: [51, 90, 75] Generated Node #0,0: 89:[51, 90, 75] Operation: 12+63=75 Exploring Operation: 51-12=39, Resulting Numbers: [90, 63, 39] Generated Node #0,1: 89:[90, 63, 39] Operation: 51-12=39 Exploring Operation: 90-12=78, Resulting Numbers: [51, 63, 78] Generated Node #0,2: 89:[51, 63, 78] Operation: 90-12=78 Exploring Operation: 51+12=63, Resulting Numbers: [90, 63, 63] Generated Node #0,3: 89:[90, 63, 63] Operation: 51+12=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[51, 90, 75], Operations: ['12+63=75'] Exploring Operation: 75-51=24, Resulting Numbers: [90, 24] Generated Node #0,0,0: 89:[90, 24] Operation: 75-51=24 Exploring Operation: 51+75=126, Resulting Numbers: [90, 126] Generated Node #0,0,1: 89:[90, 126] Operation: 51+75=126 Exploring Operation: 51+90=141, Resulting Numbers: [75, 141] Generated Node #0,0,2: 89:[75, 141] Operation: 51+90=141 Exploring Operation: 90-51=39, Resulting Numbers: [75, 39] Generated Node #0,0,3: 89:[75, 39] Operation: 90-51=39 Moving to Node #0,0,1 Current State: 89:[90, 126], Operations: ['12+63=75', '51+75=126'] Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,89 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,89 unequal: No Solution Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[75, 39], Operations: ['12+63=75', '90-51=39'] Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,89 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[75, 141], Operations: ['12+63=75', '51+90=141'] Exploring Operation: 75*141=10575, Resulting Numbers: [10575] 10575,89 unequal: No Solution Exploring Operation: 75+141=216, Resulting Numbers: [216] 216,89 unequal: No Solution Exploring Operation: 141-75=66, Resulting Numbers: [66] 66,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[90, 24], Operations: ['12+63=75', '75-51=24'] Exploring Operation: 90+24=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 90*24=2160, Resulting Numbers: [2160] 2160,89 unequal: No Solution Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[90, 63, 63], Operations: ['51+12=63'] Exploring Operation: 90-63=27, Resulting Numbers: [63, 27] Generated Node #0,3,0: 89:[63, 27] Operation: 90-63=27 Exploring Operation: 63/63=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 89:[90, 1] Operation: 63/63=1 Exploring Operation: 63+63=126, Resulting Numbers: [90, 126] Generated Node #0,3,2: 89:[90, 126] Operation: 63+63=126 Exploring Operation: 90-63=27, Resulting Numbers: [63, 27] Generated Node #0,3,3: 89:[63, 27] Operation: 90-63=27 Moving to Node #0,3,2 Current State: 89:[90, 126], Operations: ['51+12=63', '63+63=126'] Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,89 unequal: No Solution Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[63, 27], Operations: ['51+12=63', '90-63=27'] Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[63, 27], Operations: ['51+12=63', '90-63=27'] Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,89 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[90, 1], Operations: ['51+12=63', '63/63=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[51, 12, 90, 63], Operations: [] Exploring Operation: 51+12=63, Resulting Numbers: [90, 63, 63] Generated Node #0,3: 89:[90, 63, 63] Operation: 51+12=63 Moving to Node #0,3 Current State: 89:[90, 63, 63], Operations: ['51+12=63'] Exploring Operation: 63/63=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 89:[90, 1] Operation: 63/63=1 Moving to Node #0,3,1 Current State: 89:[90, 1], Operations: ['51+12=63', '63/63=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 86, 40, 72, 56 ]
54
[ "86-56=30", "72*30=2160", "2160/40=54" ]
Current State: 54:[86, 40, 72, 56], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [40, 72, 30] Generated Node #2: [40, 72, 30] from Operation: 86-56=30 Current State: 54:[40, 72, 30], Operations: ['86-56=30'] Exploring Operation: 72*30=2160, Resulting Numbers: [40, 2160] Generated Node #3: [40, 2160] from Operation: 72*30=2160 Current State: 54:[40, 2160], Operations: ['86-56=30', '72*30=2160'] Exploring Operation: 2160/40=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[86, 40, 72, 56], Operations: [] Exploring Operation: 86-72=14, Resulting Numbers: [40, 56, 14] Generated Node #0,0: 54:[40, 56, 14] Operation: 86-72=14 Exploring Operation: 86-40=46, Resulting Numbers: [72, 56, 46] Generated Node #0,1: 54:[72, 56, 46] Operation: 86-40=46 Exploring Operation: 86-56=30, Resulting Numbers: [40, 72, 30] Generated Node #0,2: 54:[40, 72, 30] Operation: 86-56=30 Moving to Node #0,0 Current State: 54:[40, 56, 14], Operations: ['86-72=14'] Exploring Operation: 40+14=54, Resulting Numbers: [56, 54] Generated Node #0,0,0: 54:[56, 54] Operation: 40+14=54 Exploring Operation: 56-40=16, Resulting Numbers: [14, 16] Generated Node #0,0,1: 54:[14, 16] Operation: 56-40=16 Exploring Operation: 40-14=26, Resulting Numbers: [56, 26] Generated Node #0,0,2: 54:[56, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[56, 54], Operations: ['86-72=14', '40+14=54'] Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,54 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[56, 26], Operations: ['86-72=14', '40-14=26'] Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,54 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[14, 16], Operations: ['86-72=14', '56-40=16'] Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 14*16=224, Resulting Numbers: [224] 224,54 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,54 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: 54:[72, 56, 46], Operations: ['86-40=46'] Exploring Operation: 72-56=16, Resulting Numbers: [46, 16] Generated Node #0,1,0: 54:[46, 16] Operation: 72-56=16 Exploring Operation: 72-46=26, Resulting Numbers: [56, 26] Generated Node #0,1,1: 54:[56, 26] Operation: 72-46=26 Exploring Operation: 56-46=10, Resulting Numbers: [72, 10] Generated Node #0,1,2: 54:[72, 10] Operation: 56-46=10 Moving to Node #0,2 Current State: 54:[40, 72, 30], Operations: ['86-56=30'] Exploring Operation: 40-30=10, Resulting Numbers: [72, 10] Generated Node #0,2,0: 54:[72, 10] Operation: 40-30=10 Exploring Operation: 72-40=32, Resulting Numbers: [30, 32] Generated Node #0,2,1: 54:[30, 32] Operation: 72-40=32 Exploring Operation: 72-30=42, Resulting Numbers: [40, 42] Generated Node #0,2,2: 54:[40, 42] Operation: 72-30=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[30, 32], Operations: ['86-56=30', '72-40=32'] Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,54 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,54 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 #0,2,0 Current State: 54:[72, 10], Operations: ['86-56=30', '40-30=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,54 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,54 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 #0,2,2 Current State: 54:[40, 42], Operations: ['86-56=30', '72-30=42'] Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 40*42=1680, Resulting Numbers: [1680] 1680,54 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,54 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: 54:[56, 26], Operations: ['86-40=46', '72-46=26'] Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,54 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[46, 16], Operations: ['86-40=46', '72-56=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[72, 10], Operations: ['86-40=46', '56-46=10'] Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,54 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,54 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 90, 66, 31, 99 ]
88
[ "90+66=156", "99-31=68", "156-68=88" ]
Current State: 88:[90, 66, 31, 99], Operations: [] Exploring Operation: 90+66=156, Resulting Numbers: [31, 99, 156] Generated Node #2: [31, 99, 156] from Operation: 90+66=156 Current State: 88:[31, 99, 156], Operations: ['90+66=156'] Exploring Operation: 99-31=68, Resulting Numbers: [156, 68] Generated Node #3: [156, 68] from Operation: 99-31=68 Current State: 88:[156, 68], Operations: ['90+66=156', '99-31=68'] Exploring Operation: 156-68=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[90, 66, 31, 99], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [31, 99, 24] Generated Node #0,0: 88:[31, 99, 24] Operation: 90-66=24 Exploring Operation: 66+31=97, Resulting Numbers: [90, 99, 97] Generated Node #0,1: 88:[90, 99, 97] Operation: 66+31=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[31, 99, 24], Operations: ['90-66=24'] Exploring Operation: 99-31=68, Resulting Numbers: [24, 68] Generated Node #0,0,0: 88:[24, 68] Operation: 99-31=68 Exploring Operation: 31-24=7, Resulting Numbers: [99, 7] Generated Node #0,0,1: 88:[99, 7] Operation: 31-24=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[99, 7], Operations: ['90-66=24', '31-24=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,88 unequal: No Solution Exploring Operation: 99+7=106, Resulting Numbers: [106] 106,88 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:[24, 68], Operations: ['90-66=24', '99-31=68'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 24+68=92, Resulting Numbers: [92] 92,88 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:[90, 99, 97], Operations: ['66+31=97'] Exploring Operation: 99-90=9, Resulting Numbers: [97, 9] Generated Node #0,1,0: 88:[97, 9] Operation: 99-90=9 Exploring Operation: 99-97=2, Resulting Numbers: [90, 2] Generated Node #0,1,1: 88:[90, 2] Operation: 99-97=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[90, 2], Operations: ['66+31=97', '99-97=2'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[90, 66, 31, 99], Operations: [] Exploring Operation: 66+31=97, Resulting Numbers: [90, 99, 97] Generated Node #0,1: 88:[90, 99, 97] Operation: 66+31=97 Moving to Node #0,1 Current State: 88:[90, 99, 97], Operations: ['66+31=97'] Exploring Operation: 99-97=2, Resulting Numbers: [90, 2] Generated Node #0,1,1: 88:[90, 2] Operation: 99-97=2 Moving to Node #0,1,1 Current State: 88:[90, 2], Operations: ['66+31=97', '99-97=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 39, 48, 13, 87 ]
13
[ "39+48=87", "13+87=100", "100-87=13" ]
Current State: 13:[39, 48, 13, 87], Operations: [] Exploring Operation: 39+48=87, Resulting Numbers: [13, 87, 87] Generated Node #2: [13, 87, 87] from Operation: 39+48=87 Current State: 13:[13, 87, 87], Operations: ['39+48=87'] Exploring Operation: 13+87=100, Resulting Numbers: [100] 100,13 equal: Goal Reached Exploring Operation: 100-87=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[39, 48, 13, 87], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [13, 87, 9] Generated Node #0,0: 13:[13, 87, 9] Operation: 48-39=9 Exploring Operation: 87-39=48, Resulting Numbers: [48, 13, 48] Generated Node #0,1: 13:[48, 13, 48] Operation: 87-39=48 Exploring Operation: 87-48=39, Resulting Numbers: [39, 13, 39] Generated Node #0,2: 13:[39, 13, 39] Operation: 87-48=39 Moving to Node #0,2 Current State: 13:[39, 13, 39], Operations: ['87-48=39'] Exploring Operation: 39-39=0, Resulting Numbers: [13, 0] Generated Node #0,2,0: 13:[13, 0] Operation: 39-39=0 Exploring Operation: 39/39=1, Resulting Numbers: [13, 1] Generated Node #0,2,1: 13:[13, 1] Operation: 39/39=1 Exploring Operation: 39/13=3, Resulting Numbers: [39, 3] Generated Node #0,2,2: 13:[39, 3] Operation: 39/13=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[13, 1], Operations: ['87-48=39', '39/39=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[39, 48, 13, 87], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [39, 13, 39] Generated Node #0,2: 13:[39, 13, 39] Operation: 87-48=39 Moving to Node #0,2 Current State: 13:[39, 13, 39], Operations: ['87-48=39'] Exploring Operation: 39/39=1, Resulting Numbers: [13, 1] Generated Node #0,2,1: 13:[13, 1] Operation: 39/39=1 Moving to Node #0,2,1 Current State: 13:[13, 1], Operations: ['87-48=39', '39/39=1'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 34, 12, 92, 67 ]
65
[ "34+12=46", "92/46=2", "67-2=65" ]
Current State: 65:[34, 12, 92, 67], Operations: [] Exploring Operation: 34+12=46, Resulting Numbers: [92, 67, 46] Generated Node #2: [92, 67, 46] from Operation: 34+12=46 Current State: 65:[92, 67, 46], Operations: ['34+12=46'] Exploring Operation: 92/46=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 92/46=2 Current State: 65:[67, 2], Operations: ['34+12=46', '92/46=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[34, 12, 92, 67], Operations: [] Exploring Operation: 92-34=58, Resulting Numbers: [12, 67, 58] Generated Node #0,0: 65:[12, 67, 58] Operation: 92-34=58 Exploring Operation: 34-12=22, Resulting Numbers: [92, 67, 22] Generated Node #0,1: 65:[92, 67, 22] Operation: 34-12=22 Exploring Operation: 92-12=80, Resulting Numbers: [34, 67, 80] Generated Node #0,2: 65:[34, 67, 80] Operation: 92-12=80 Exploring Operation: 92-67=25, Resulting Numbers: [34, 12, 25] Generated Node #0,3: 65:[34, 12, 25] Operation: 92-67=25 Exploring Operation: 34+12=46, Resulting Numbers: [92, 67, 46] Generated Node #0,4: 65:[92, 67, 46] Operation: 34+12=46 Moving to Node #0,0 Current State: 65:[12, 67, 58], Operations: ['92-34=58'] Exploring Operation: 67-58=9, Resulting Numbers: [12, 9] Generated Node #0,0,0: 65:[12, 9] Operation: 67-58=9 Exploring Operation: 58-12=46, Resulting Numbers: [67, 46] Generated Node #0,0,1: 65:[67, 46] Operation: 58-12=46 Exploring Operation: 67-12=55, Resulting Numbers: [58, 55] Generated Node #0,0,2: 65:[58, 55] Operation: 67-12=55 Exploring Operation: 12+58=70, Resulting Numbers: [67, 70] Generated Node #0,0,3: 65:[67, 70] Operation: 12+58=70 Exploring Operation: 12+67=79, Resulting Numbers: [58, 79] Generated Node #0,0,4: 65:[58, 79] Operation: 12+67=79 Moving to Node #0,3 Current State: 65:[34, 12, 25], Operations: ['92-67=25'] Exploring Operation: 34+25=59, Resulting Numbers: [12, 59] Generated Node #0,3,0: 65:[12, 59] Operation: 34+25=59 Exploring Operation: 25-12=13, Resulting Numbers: [34, 13] Generated Node #0,3,1: 65:[34, 13] Operation: 25-12=13 Exploring Operation: 34-25=9, Resulting Numbers: [12, 9] Generated Node #0,3,2: 65:[12, 9] Operation: 34-25=9 Exploring Operation: 34+12=46, Resulting Numbers: [25, 46] Generated Node #0,3,3: 65:[25, 46] Operation: 34+12=46 Exploring Operation: 34-12=22, Resulting Numbers: [25, 22] Generated Node #0,3,4: 65:[25, 22] Operation: 34-12=22 Moving to Node #0,1 Current State: 65:[92, 67, 22], Operations: ['34-12=22'] Exploring Operation: 67+22=89, Resulting Numbers: [92, 89] Generated Node #0,1,0: 65:[92, 89] Operation: 67+22=89 Exploring Operation: 92+22=114, Resulting Numbers: [67, 114] Generated Node #0,1,1: 65:[67, 114] Operation: 92+22=114 Exploring Operation: 67-22=45, Resulting Numbers: [92, 45] Generated Node #0,1,2: 65:[92, 45] Operation: 67-22=45 Exploring Operation: 92-67=25, Resulting Numbers: [22, 25] Generated Node #0,1,3: 65:[22, 25] Operation: 92-67=25 Exploring Operation: 92-22=70, Resulting Numbers: [67, 70] Generated Node #0,1,4: 65:[67, 70] Operation: 92-22=70 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[67, 70], Operations: ['34-12=22', '92-22=70'] Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 67*70=4690, Resulting Numbers: [4690] 4690,65 unequal: No Solution Exploring Operation: 67+70=137, Resulting Numbers: [137] 137,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[22, 25], Operations: ['34-12=22', '92-67=25'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[92, 45], Operations: ['34-12=22', '67-22=45'] Exploring Operation: 92*45=4140, Resulting Numbers: [4140] 4140,65 unequal: No Solution Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 92+45=137, Resulting Numbers: [137] 137,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[92, 89], Operations: ['34-12=22', '67+22=89'] Exploring Operation: 92-89=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 92+89=181, Resulting Numbers: [181] 181,65 unequal: No Solution Exploring Operation: 92*89=8188, Resulting Numbers: [8188] 8188,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[67, 114], Operations: ['34-12=22', '92+22=114'] Exploring Operation: 67*114=7638, Resulting Numbers: [7638] 7638,65 unequal: No Solution Exploring Operation: 114-67=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 67+114=181, Resulting Numbers: [181] 181,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 65:[34, 67, 80], Operations: ['92-12=80'] Exploring Operation: 80-67=13, Resulting Numbers: [34, 13] Generated Node #0,2,0: 65:[34, 13] Operation: 80-67=13 Exploring Operation: 67-34=33, Resulting Numbers: [80, 33] Generated Node #0,2,1: 65:[80, 33] Operation: 67-34=33 Exploring Operation: 34+67=101, Resulting Numbers: [80, 101] Generated Node #0,2,2: 65:[80, 101] Operation: 34+67=101 Exploring Operation: 34+80=114, Resulting Numbers: [67, 114] Generated Node #0,2,3: 65:[67, 114] Operation: 34+80=114 Exploring Operation: 80-34=46, Resulting Numbers: [67, 46] Generated Node #0,2,4: 65:[67, 46] Operation: 80-34=46 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[34, 13], Operations: ['92-12=80', '80-67=13'] Exploring Operation: 34+13=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 34*13=442, Resulting Numbers: [442] 442,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 65:[67, 46], Operations: ['92-12=80', '80-34=46'] Exploring Operation: 67+46=113, Resulting Numbers: [113] 113,65 unequal: No Solution Exploring Operation: 67*46=3082, Resulting Numbers: [3082] 3082,65 unequal: No Solution Exploring Operation: 67-46=21, Resulting Numbers: [21] 21,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[80, 33], Operations: ['92-12=80', '67-34=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,65 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[80, 101], Operations: ['92-12=80', '34+67=101'] Exploring Operation: 80+101=181, Resulting Numbers: [181] 181,65 unequal: No Solution Exploring Operation: 101-80=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 80*101=8080, Resulting Numbers: [8080] 8080,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[67, 114], Operations: ['92-12=80', '34+80=114'] Exploring Operation: 67*114=7638, Resulting Numbers: [7638] 7638,65 unequal: No Solution Exploring Operation: 67+114=181, Resulting Numbers: [181] 181,65 unequal: No Solution Exploring Operation: 114-67=47, Resulting Numbers: [47] 47,65 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: 65:[92, 67, 46], Operations: ['34+12=46'] Exploring Operation: 67-46=21, Resulting Numbers: [92, 21] Generated Node #0,4,0: 65:[92, 21] Operation: 67-46=21 Exploring Operation: 92/46=2, Resulting Numbers: [67, 2] Generated Node #0,4,1: 65:[67, 2] Operation: 92/46=2 Exploring Operation: 92+46=138, Resulting Numbers: [67, 138] Generated Node #0,4,2: 65:[67, 138] Operation: 92+46=138 Exploring Operation: 92-46=46, Resulting Numbers: [67, 46] Generated Node #0,4,3: 65:[67, 46] Operation: 92-46=46 Exploring Operation: 92-67=25, Resulting Numbers: [46, 25] Generated Node #0,4,4: 65:[46, 25] Operation: 92-67=25 Moving to Node #0,0,0 Current State: 65:[12, 9], Operations: ['92-34=58', '67-58=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[12, 9], Operations: ['92-67=25', '34-25=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,65 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[67, 2], Operations: ['34+12=46', '92/46=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[34, 12, 92, 67], Operations: [] Exploring Operation: 34+12=46, Resulting Numbers: [92, 67, 46] Generated Node #0,4: 65:[92, 67, 46] Operation: 34+12=46 Moving to Node #0,4 Current State: 65:[92, 67, 46], Operations: ['34+12=46'] Exploring Operation: 92/46=2, Resulting Numbers: [67, 2] Generated Node #0,4,1: 65:[67, 2] Operation: 92/46=2 Moving to Node #0,4,1 Current State: 65:[67, 2], Operations: ['34+12=46', '92/46=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.9375
hs_5
mult_heuristic
[ 9, 1, 18, 4 ]
82
[ "9+1=10", "18*4=72", "10+72=82" ]
Current State: 82:[9, 1, 18, 4], Operations: [] Exploring Operation: 9+1=10, Resulting Numbers: [18, 4, 10] Generated Node #2: [18, 4, 10] from Operation: 9+1=10 Current State: 82:[18, 4, 10], Operations: ['9+1=10'] Exploring Operation: 18*4=72, Resulting Numbers: [10, 72] Generated Node #3: [10, 72] from Operation: 18*4=72 Current State: 82:[10, 72], Operations: ['9+1=10', '18*4=72'] Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[9, 1, 18, 4], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [1, 4, 2] Generated Node #0,0: 82:[1, 4, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [1, 4, 9] Generated Node #0,1: 82:[1, 4, 9] Operation: 18-9=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[1, 4, 2], Operations: ['18/9=2'] Exploring Operation: 4-2=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 82:[1, 2] Operation: 4-2=2 Exploring Operation: 4-1=3, Resulting Numbers: [2, 3] Generated Node #0,0,1: 82:[2, 3] Operation: 4-1=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[1, 2], Operations: ['18/9=2', '4-2=2'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,82 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:[2, 3], Operations: ['18/9=2', '4-1=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[1, 4, 9], Operations: ['18-9=9'] Exploring Operation: 9-4=5, Resulting Numbers: [1, 5] Generated Node #0,1,0: 82:[1, 5] Operation: 9-4=5 Exploring Operation: 4*9=36, Resulting Numbers: [1, 36] Generated Node #0,1,1: 82:[1, 36] Operation: 4*9=36 Moving to Node #0,1,0 Current State: 82:[1, 5], Operations: ['18-9=9', '9-4=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[1, 36], Operations: ['18-9=9', '4*9=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,82 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,82 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
[ 28, 25, 2, 23 ]
63
[ "28-25=3", "23-2=21", "3*21=63" ]
Current State: 63:[28, 25, 2, 23], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [2, 23, 3] Generated Node #2: [2, 23, 3] from Operation: 28-25=3 Current State: 63:[2, 23, 3], Operations: ['28-25=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 23-2=21 Current State: 63:[3, 21], Operations: ['28-25=3', '23-2=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[28, 25, 2, 23], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [2, 23, 3] Generated Node #0,0: 63:[2, 23, 3] Operation: 28-25=3 Exploring Operation: 28-23=5, Resulting Numbers: [25, 2, 5] Generated Node #0,1: 63:[25, 2, 5] Operation: 28-23=5 Moving to Node #0,0 Current State: 63:[2, 23, 3], Operations: ['28-25=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 63:[3, 21] Operation: 23-2=21 Exploring Operation: 23-3=20, Resulting Numbers: [2, 20] Generated Node #0,0,1: 63:[2, 20] Operation: 23-3=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[3, 21], Operations: ['28-25=3', '23-2=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[28, 25, 2, 23], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [2, 23, 3] Generated Node #0,0: 63:[2, 23, 3] Operation: 28-25=3 Moving to Node #0,0 Current State: 63:[2, 23, 3], Operations: ['28-25=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 63:[3, 21] Operation: 23-2=21 Moving to Node #0,0,0 Current State: 63:[3, 21], Operations: ['28-25=3', '23-2=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 6, 61, 60, 60 ]
12
[ "61-6=55", "60-55=5", "60/5=12" ]
Current State: 12:[6, 61, 60, 60], Operations: [] Exploring Operation: 61-6=55, Resulting Numbers: [60, 60, 55] Generated Node #2: [60, 60, 55] from Operation: 61-6=55 Current State: 12:[60, 60, 55], Operations: ['61-6=55'] Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,12 equal: Goal Reached Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 61, 60, 60], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [6, 60, 1] Generated Node #0,0: 12:[6, 60, 1] Operation: 61-60=1 Moving to Node #0,0 Current State: 12:[6, 60, 1], Operations: ['61-60=1'] Exploring Operation: 60/6=10, Resulting Numbers: [1, 10] Generated Node #0,0,0: 12:[1, 10] Operation: 60/6=10 Moving to Node #0,0,0 Current State: 12:[1, 10], Operations: ['61-60=1', '60/6=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,12 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 52, 13, 36, 71 ]
30
[ "52+13=65", "71-36=35", "65-35=30" ]
Current State: 30:[52, 13, 36, 71], Operations: [] Exploring Operation: 52+13=65, Resulting Numbers: [36, 71, 65] Generated Node #2: [36, 71, 65] from Operation: 52+13=65 Current State: 30:[36, 71, 65], Operations: ['52+13=65'] Exploring Operation: 71-36=35, Resulting Numbers: [65, 35] Generated Node #3: [65, 35] from Operation: 71-36=35 Current State: 30:[65, 35], Operations: ['52+13=65', '71-36=35'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[52, 13, 36, 71], Operations: [] Exploring Operation: 52-13=39, Resulting Numbers: [36, 71, 39] Generated Node #0,0: 30:[36, 71, 39] Operation: 52-13=39 Exploring Operation: 52-36=16, Resulting Numbers: [13, 71, 16] Generated Node #0,1: 30:[13, 71, 16] Operation: 52-36=16 Exploring Operation: 71-52=19, Resulting Numbers: [13, 36, 19] Generated Node #0,2: 30:[13, 36, 19] Operation: 71-52=19 Exploring Operation: 52/13=4, Resulting Numbers: [36, 71, 4] Generated Node #0,3: 30:[36, 71, 4] Operation: 52/13=4 Exploring Operation: 71-36=35, Resulting Numbers: [52, 13, 35] Generated Node #0,4: 30:[52, 13, 35] Operation: 71-36=35 Moving to Node #0,2 Current State: 30:[13, 36, 19], Operations: ['71-52=19'] Exploring Operation: 13+19=32, Resulting Numbers: [36, 32] Generated Node #0,2,0: 30:[36, 32] Operation: 13+19=32 Exploring Operation: 13+36=49, Resulting Numbers: [19, 49] Generated Node #0,2,1: 30:[19, 49] Operation: 13+36=49 Exploring Operation: 36-19=17, Resulting Numbers: [13, 17] Generated Node #0,2,2: 30:[13, 17] Operation: 36-19=17 Exploring Operation: 36-13=23, Resulting Numbers: [19, 23] Generated Node #0,2,3: 30:[19, 23] Operation: 36-13=23 Exploring Operation: 19-13=6, Resulting Numbers: [36, 6] Generated Node #0,2,4: 30:[36, 6] Operation: 19-13=6 Moving to Node #0,4 Current State: 30:[52, 13, 35], Operations: ['71-36=35'] Exploring Operation: 52-35=17, Resulting Numbers: [13, 17] Generated Node #0,4,0: 30:[13, 17] Operation: 52-35=17 Exploring Operation: 35-13=22, Resulting Numbers: [52, 22] Generated Node #0,4,1: 30:[52, 22] Operation: 35-13=22 Exploring Operation: 52-13=39, Resulting Numbers: [35, 39] Generated Node #0,4,2: 30:[35, 39] Operation: 52-13=39 Exploring Operation: 52/13=4, Resulting Numbers: [35, 4] Generated Node #0,4,3: 30:[35, 4] Operation: 52/13=4 Exploring Operation: 52+13=65, Resulting Numbers: [35, 65] Generated Node #0,4,4: 30:[35, 65] Operation: 52+13=65 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 30:[13, 17], Operations: ['71-36=35', '52-35=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[52, 13, 36, 71], Operations: [] Exploring Operation: 71-36=35, Resulting Numbers: [52, 13, 35] Generated Node #0,4: 30:[52, 13, 35] Operation: 71-36=35 Moving to Node #0,4 Current State: 30:[52, 13, 35], Operations: ['71-36=35'] Exploring Operation: 52-35=17, Resulting Numbers: [13, 17] Generated Node #0,4,0: 30:[13, 17] Operation: 52-35=17 Moving to Node #0,4,0 Current State: 30:[13, 17], Operations: ['71-36=35', '52-35=17'] Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 40, 5, 64, 4 ]
51
[ "40-5=35", "64/4=16", "35+16=51" ]
Current State: 51:[40, 5, 64, 4], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [64, 4, 35] Generated Node #2: [64, 4, 35] from Operation: 40-5=35 Current State: 51:[64, 4, 35], Operations: ['40-5=35'] Exploring Operation: 64/4=16, Resulting Numbers: [35, 16] Generated Node #3: [35, 16] from Operation: 64/4=16 Current State: 51:[35, 16], Operations: ['40-5=35', '64/4=16'] Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[40, 5, 64, 4], Operations: [] Exploring Operation: 64-40=24, Resulting Numbers: [5, 4, 24] Generated Node #0,0: 51:[5, 4, 24] Operation: 64-40=24 Moving to Node #0,0 Current State: 51:[5, 4, 24], Operations: ['64-40=24'] Exploring Operation: 24-5=19, Resulting Numbers: [4, 19] Generated Node #0,0,0: 51:[4, 19] Operation: 24-5=19 Moving to Node #0,0,0 Current State: 51:[4, 19], Operations: ['64-40=24', '24-5=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 37, 26, 3, 4 ]
21
[ "37-26=11", "11-4=7", "3*7=21" ]
Current State: 21:[37, 26, 3, 4], Operations: [] Exploring Operation: 37-26=11, Resulting Numbers: [3, 4, 11] Generated Node #2: [3, 4, 11] from Operation: 37-26=11 Current State: 21:[3, 4, 11], Operations: ['37-26=11'] Exploring Operation: 11-4=7, Resulting Numbers: [3, 7] Generated Node #3: [3, 7] from Operation: 11-4=7 Current State: 21:[3, 7], Operations: ['37-26=11', '11-4=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[37, 26, 3, 4], Operations: [] Exploring Operation: 37-4=33, Resulting Numbers: [26, 3, 33] Generated Node #0,0: 21:[26, 3, 33] Operation: 37-4=33 Exploring Operation: 26-4=22, Resulting Numbers: [37, 3, 22] Generated Node #0,1: 21:[37, 3, 22] Operation: 26-4=22 Exploring Operation: 37-3=34, Resulting Numbers: [26, 4, 34] Generated Node #0,2: 21:[26, 4, 34] Operation: 37-3=34 Exploring Operation: 37-26=11, Resulting Numbers: [3, 4, 11] Generated Node #0,3: 21:[3, 4, 11] Operation: 37-26=11 Moving to Node #0,3 Current State: 21:[3, 4, 11], Operations: ['37-26=11'] Exploring Operation: 3+4=7, Resulting Numbers: [11, 7] Generated Node #0,3,0: 21:[11, 7] Operation: 3+4=7 Exploring Operation: 11-3=8, Resulting Numbers: [4, 8] Generated Node #0,3,1: 21:[4, 8] Operation: 11-3=8 Exploring Operation: 11-4=7, Resulting Numbers: [3, 7] Generated Node #0,3,2: 21:[3, 7] Operation: 11-4=7 Exploring Operation: 4-3=1, Resulting Numbers: [11, 1] Generated Node #0,3,3: 21:[11, 1] Operation: 4-3=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 21:[3, 7], Operations: ['37-26=11', '11-4=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[37, 26, 3, 4], Operations: [] Exploring Operation: 37-26=11, Resulting Numbers: [3, 4, 11] Generated Node #0,3: 21:[3, 4, 11] Operation: 37-26=11 Moving to Node #0,3 Current State: 21:[3, 4, 11], Operations: ['37-26=11'] Exploring Operation: 11-4=7, Resulting Numbers: [3, 7] Generated Node #0,3,2: 21:[3, 7] Operation: 11-4=7 Moving to Node #0,3,2 Current State: 21:[3, 7], Operations: ['37-26=11', '11-4=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 34, 15, 11, 39 ]
42
[ "34+11=45", "45/15=3", "39+3=42" ]
Current State: 42:[34, 15, 11, 39], Operations: [] Exploring Operation: 34+11=45, Resulting Numbers: [15, 39, 45] Generated Node #2: [15, 39, 45] from Operation: 34+11=45 Current State: 42:[15, 39, 45], Operations: ['34+11=45'] Exploring Operation: 45/15=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 45/15=3 Current State: 42:[39, 3], Operations: ['34+11=45', '45/15=3'] Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[34, 15, 11, 39], Operations: [] Exploring Operation: 34-11=23, Resulting Numbers: [15, 39, 23] Generated Node #0,0: 42:[15, 39, 23] Operation: 34-11=23 Exploring Operation: 34+11=45, Resulting Numbers: [15, 39, 45] Generated Node #0,1: 42:[15, 39, 45] Operation: 34+11=45 Exploring Operation: 34-15=19, Resulting Numbers: [11, 39, 19] Generated Node #0,2: 42:[11, 39, 19] Operation: 34-15=19 Exploring Operation: 39-34=5, Resulting Numbers: [15, 11, 5] Generated Node #0,3: 42:[15, 11, 5] Operation: 39-34=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[15, 11, 5], Operations: ['39-34=5'] Exploring Operation: 11-5=6, Resulting Numbers: [15, 6] Generated Node #0,3,0: 42:[15, 6] Operation: 11-5=6 Exploring Operation: 15/5=3, Resulting Numbers: [11, 3] Generated Node #0,3,1: 42:[11, 3] Operation: 15/5=3 Exploring Operation: 11+5=16, Resulting Numbers: [15, 16] Generated Node #0,3,2: 42:[15, 16] Operation: 11+5=16 Exploring Operation: 15-11=4, Resulting Numbers: [5, 4] Generated Node #0,3,3: 42:[5, 4] Operation: 15-11=4 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 42:[15, 6], Operations: ['39-34=5', '11-5=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,42 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,42 unequal: No Solution No 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: 42:[5, 4], Operations: ['39-34=5', '15-11=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,42 unequal: No Solution No 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: 42:[11, 3], Operations: ['39-34=5', '15/5=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,42 unequal: No Solution No 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: 42:[15, 16], Operations: ['39-34=5', '11+5=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[15, 39, 23], Operations: ['34-11=23'] Exploring Operation: 23-15=8, Resulting Numbers: [39, 8] Generated Node #0,0,0: 42:[39, 8] Operation: 23-15=8 Exploring Operation: 39-15=24, Resulting Numbers: [23, 24] Generated Node #0,0,1: 42:[23, 24] Operation: 39-15=24 Exploring Operation: 39-23=16, Resulting Numbers: [15, 16] Generated Node #0,0,2: 42:[15, 16] Operation: 39-23=16 Exploring Operation: 15+23=38, Resulting Numbers: [39, 38] Generated Node #0,0,3: 42:[39, 38] Operation: 15+23=38 Moving to Node #0,0,2 Current State: 42:[15, 16], Operations: ['34-11=23', '39-23=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[39, 8], Operations: ['34-11=23', '23-15=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,42 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[23, 24], Operations: ['34-11=23', '39-15=24'] Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,42 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[39, 38], Operations: ['34-11=23', '15+23=38'] Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,42 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,42 unequal: No Solution No 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: 42:[15, 39, 45], Operations: ['34+11=45'] Exploring Operation: 39-15=24, Resulting Numbers: [45, 24] Generated Node #0,1,0: 42:[45, 24] Operation: 39-15=24 Exploring Operation: 45-15=30, Resulting Numbers: [39, 30] Generated Node #0,1,1: 42:[39, 30] Operation: 45-15=30 Exploring Operation: 45-39=6, Resulting Numbers: [15, 6] Generated Node #0,1,2: 42:[15, 6] Operation: 45-39=6 Exploring Operation: 45/15=3, Resulting Numbers: [39, 3] Generated Node #0,1,3: 42:[39, 3] Operation: 45/15=3 Moving to Node #0,1,2 Current State: 42:[15, 6], Operations: ['34+11=45', '45-39=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[39, 3], Operations: ['34+11=45', '45/15=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,42 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[34, 15, 11, 39], Operations: [] Exploring Operation: 34+11=45, Resulting Numbers: [15, 39, 45] Generated Node #0,1: 42:[15, 39, 45] Operation: 34+11=45 Moving to Node #0,1 Current State: 42:[15, 39, 45], Operations: ['34+11=45'] Exploring Operation: 45/15=3, Resulting Numbers: [39, 3] Generated Node #0,1,3: 42:[39, 3] Operation: 45/15=3 Moving to Node #0,1,3 Current State: 42:[39, 3], Operations: ['34+11=45', '45/15=3'] Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_4
mult_heuristic
[ 28, 2, 56, 5 ]
36
[ "2+5=7", "56/7=8", "28+8=36" ]
Current State: 36:[28, 2, 56, 5], Operations: [] Exploring Operation: 2+5=7, Resulting Numbers: [28, 56, 7] Generated Node #2: [28, 56, 7] from Operation: 2+5=7 Current State: 36:[28, 56, 7], Operations: ['2+5=7'] Exploring Operation: 56/7=8, Resulting Numbers: [28, 8] Generated Node #3: [28, 8] from Operation: 56/7=8 Current State: 36:[28, 8], Operations: ['2+5=7', '56/7=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[28, 2, 56, 5], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [2, 5, 2] Generated Node #0,0: 36:[2, 5, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [2, 5, 28] Generated Node #0,1: 36:[2, 5, 28] Operation: 56-28=28 Exploring Operation: 56/2=28, Resulting Numbers: [28, 5, 28] Generated Node #0,2: 36:[28, 5, 28] Operation: 56/2=28 Exploring Operation: 28+5=33, Resulting Numbers: [2, 56, 33] Generated Node #0,3: 36:[2, 56, 33] Operation: 28+5=33 Exploring Operation: 28/2=14, Resulting Numbers: [56, 5, 14] Generated Node #0,4: 36:[56, 5, 14] Operation: 28/2=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[2, 5, 2], Operations: ['56/28=2'] Exploring Operation: 5-2=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 36:[2, 3] Operation: 5-2=3 Exploring Operation: 5-2=3, Resulting Numbers: [2, 3] Generated Node #0,0,1: 36:[2, 3] Operation: 5-2=3 Exploring Operation: 2+5=7, Resulting Numbers: [2, 7] Generated Node #0,0,2: 36:[2, 7] Operation: 2+5=7 Exploring Operation: 2*5=10, Resulting Numbers: [2, 10] Generated Node #0,0,3: 36:[2, 10] Operation: 2*5=10 Exploring Operation: 2+2=4, Resulting Numbers: [5, 4] Generated Node #0,0,4: 36:[5, 4] Operation: 2+2=4 Moving to Node #0,0,0 Current State: 36:[2, 3], Operations: ['56/28=2', '5-2=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[2, 3], Operations: ['56/28=2', '5-2=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[2, 7], Operations: ['56/28=2', '2+5=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[2, 10], Operations: ['56/28=2', '2*5=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,4 Current State: 36:[5, 4], Operations: ['56/28=2', '2+2=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,36 unequal: No Solution No 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: 36:[2, 5, 28], Operations: ['56-28=28'] Exploring Operation: 28/2=14, Resulting Numbers: [5, 14] Generated Node #0,1,0: 36:[5, 14] Operation: 28/2=14 Exploring Operation: 28-5=23, Resulting Numbers: [2, 23] Generated Node #0,1,1: 36:[2, 23] Operation: 28-5=23 Exploring Operation: 5-2=3, Resulting Numbers: [28, 3] Generated Node #0,1,2: 36:[28, 3] Operation: 5-2=3 Exploring Operation: 2+28=30, Resulting Numbers: [5, 30] Generated Node #0,1,3: 36:[5, 30] Operation: 2+28=30 Exploring Operation: 5+28=33, Resulting Numbers: [2, 33] Generated Node #0,1,4: 36:[2, 33] Operation: 5+28=33 Moving to Node #0,1,0 Current State: 36:[5, 14], Operations: ['56-28=28', '28/2=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,36 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,36 unequal: No Solution Moving to Node #0,1,4 Current State: 36:[2, 33], Operations: ['56-28=28', '5+28=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[2, 23], Operations: ['56-28=28', '28-5=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[5, 30], Operations: ['56-28=28', '2+28=30'] Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,36 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[28, 3], Operations: ['56-28=28', '5-2=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,36 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,36 unequal: No Solution No 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: 36:[28, 5, 28], Operations: ['56/2=28'] Exploring Operation: 28/28=1, Resulting Numbers: [5, 1] Generated Node #0,2,0: 36:[5, 1] Operation: 28/28=1 Exploring Operation: 5+28=33, Resulting Numbers: [28, 33] Generated Node #0,2,1: 36:[28, 33] Operation: 5+28=33 Exploring Operation: 28+5=33, Resulting Numbers: [28, 33] Generated Node #0,2,2: 36:[28, 33] Operation: 28+5=33 Exploring Operation: 28-28=0, Resulting Numbers: [5, 0] Generated Node #0,2,3: 36:[5, 0] Operation: 28-28=0 Exploring Operation: 28-5=23, Resulting Numbers: [28, 23] Generated Node #0,2,4: 36:[28, 23] Operation: 28-5=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[5, 1], Operations: ['56/2=28', '28/28=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,36 unequal: No Solution No 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: 36:[5, 0], Operations: ['56/2=28', '28-28=0'] Exploring Operation: 5+0=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 5*0=0, Resulting Numbers: [0] 0,36 unequal: No Solution No 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: 36:[28, 33], Operations: ['56/2=28', '5+28=33'] Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,36 unequal: No Solution No 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: 36:[28, 33], Operations: ['56/2=28', '28+5=33'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,36 unequal: No Solution No 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: 36:[28, 23], Operations: ['56/2=28', '28-5=23'] Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,36 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,36 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: 36:[2, 56, 33], Operations: ['28+5=33'] Exploring Operation: 2+56=58, Resulting Numbers: [33, 58] Generated Node #0,3,0: 36:[33, 58] Operation: 2+56=58 Exploring Operation: 56/2=28, Resulting Numbers: [33, 28] Generated Node #0,3,1: 36:[33, 28] Operation: 56/2=28 Exploring Operation: 56-33=23, Resulting Numbers: [2, 23] Generated Node #0,3,2: 36:[2, 23] Operation: 56-33=23 Exploring Operation: 56-2=54, Resulting Numbers: [33, 54] Generated Node #0,3,3: 36:[33, 54] Operation: 56-2=54 Exploring Operation: 2+33=35, Resulting Numbers: [56, 35] Generated Node #0,3,4: 36:[56, 35] Operation: 2+33=35 Moving to Node #0,3,2 Current State: 36:[2, 23], Operations: ['28+5=33', '56-33=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,3,1 Current State: 36:[33, 28], Operations: ['28+5=33', '56/2=28'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,36 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,36 unequal: No Solution Moving to Node #0,3,3 Current State: 36:[33, 54], Operations: ['28+5=33', '56-2=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,36 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,36 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,3,4 Current State: 36:[56, 35], Operations: ['28+5=33', '2+33=35'] Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,36 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,36 unequal: No Solution Moving to Node #0,3,0 Current State: 36:[33, 58], Operations: ['28+5=33', '2+56=58'] Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,36 unequal: No Solution No 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: 36:[56, 5, 14], Operations: ['28/2=14'] Exploring Operation: 56-14=42, Resulting Numbers: [5, 42] Generated Node #0,4,0: 36:[5, 42] Operation: 56-14=42 Exploring Operation: 56-5=51, Resulting Numbers: [14, 51] Generated Node #0,4,1: 36:[14, 51] Operation: 56-5=51 Exploring Operation: 56/14=4, Resulting Numbers: [5, 4] Generated Node #0,4,2: 36:[5, 4] Operation: 56/14=4 Exploring Operation: 14-5=9, Resulting Numbers: [56, 9] Generated Node #0,4,3: 36:[56, 9] Operation: 14-5=9 Exploring Operation: 5+14=19, Resulting Numbers: [56, 19] Generated Node #0,4,4: 36:[56, 19] Operation: 5+14=19 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 36:[5, 4], Operations: ['28/2=14', '56/14=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,36 unequal: No Solution No 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: 36:[5, 42], Operations: ['28/2=14', '56-14=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,36 unequal: No Solution Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,36 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,36 unequal: No Solution No 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: 36:[14, 51], Operations: ['28/2=14', '56-5=51'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,36 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,36 unequal: No Solution No 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: 36:[56, 9], Operations: ['28/2=14', '14-5=9'] Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,36 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,36 unequal: No Solution No 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: 36:[56, 19], Operations: ['28/2=14', '5+14=19'] Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,36 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,36 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
[ 26, 9, 54, 61 ]
93
[ "26+61=87", "54/9=6", "87+6=93" ]
Current State: 93:[26, 9, 54, 61], Operations: [] Exploring Operation: 26+61=87, Resulting Numbers: [9, 54, 87] Generated Node #2: [9, 54, 87] from Operation: 26+61=87 Current State: 93:[9, 54, 87], Operations: ['26+61=87'] Exploring Operation: 54/9=6, Resulting Numbers: [87, 6] Generated Node #3: [87, 6] from Operation: 54/9=6 Current State: 93:[87, 6], Operations: ['26+61=87', '54/9=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[26, 9, 54, 61], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [26, 9, 7] Generated Node #0,0: 93:[26, 9, 7] Operation: 61-54=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[26, 9, 7], Operations: ['61-54=7'] Exploring Operation: 9-7=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 93:[26, 2] Operation: 9-7=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[26, 2], Operations: ['61-54=7', '9-7=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,93 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
[ 27, 1, 75, 75 ]
28
[ "27+1=28", "75-75=0", "28+0=28" ]
Current State: 28:[27, 1, 75, 75], Operations: [] Exploring Operation: 27+1=28, Resulting Numbers: [75, 75, 28] Generated Node #2: [75, 75, 28] from Operation: 27+1=28 Current State: 28:[75, 75, 28], Operations: ['27+1=28'] Exploring Operation: 75-75=0, Resulting Numbers: [28, 0] Generated Node #3: [28, 0] from Operation: 75-75=0 Current State: 28:[28, 0], Operations: ['27+1=28', '75-75=0'] Exploring Operation: 28+0=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[27, 1, 75, 75], Operations: [] Exploring Operation: 75/75=1, Resulting Numbers: [27, 1, 1] Generated Node #0,0: 28:[27, 1, 1] Operation: 75/75=1 Moving to Node #0,0 Current State: 28:[27, 1, 1], Operations: ['75/75=1'] Exploring Operation: 27+1=28, Resulting Numbers: [1, 28] Generated Node #0,0,0: 28:[1, 28] Operation: 27+1=28 Moving to Node #0,0,0 Current State: 28:[1, 28], Operations: ['75/75=1', '27+1=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[27, 1, 75, 75], Operations: [] Exploring Operation: 75/75=1, Resulting Numbers: [27, 1, 1] Generated Node #0,0: 28:[27, 1, 1] Operation: 75/75=1 Moving to Node #0,0 Current State: 28:[27, 1, 1], Operations: ['75/75=1'] Exploring Operation: 27+1=28, Resulting Numbers: [1, 28] Generated Node #0,0,0: 28:[1, 28] Operation: 27+1=28 Moving to Node #0,0,0 Current State: 28:[1, 28], Operations: ['75/75=1', '27+1=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 79, 21, 79, 22 ]
44
[ "79/79=1", "21+22=43", "1+43=44" ]
Current State: 44:[79, 21, 79, 22], Operations: [] Exploring Operation: 79/79=1, Resulting Numbers: [21, 22, 1] Generated Node #2: [21, 22, 1] from Operation: 79/79=1 Current State: 44:[21, 22, 1], Operations: ['79/79=1'] Exploring Operation: 21+22=43, Resulting Numbers: [1, 43] Generated Node #3: [1, 43] from Operation: 21+22=43 Current State: 44:[1, 43], Operations: ['79/79=1', '21+22=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[79, 21, 79, 22], Operations: [] Exploring Operation: 79/79=1, Resulting Numbers: [21, 22, 1] Generated Node #0,0: 44:[21, 22, 1] Operation: 79/79=1 Moving to Node #0,0 Current State: 44:[21, 22, 1], Operations: ['79/79=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22, 22] Generated Node #0,0,0: 44:[22, 22] Operation: 21+1=22 Moving to Node #0,0,0 Current State: 44:[22, 22], Operations: ['79/79=1', '21+1=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[79, 21, 79, 22], Operations: [] Exploring Operation: 79/79=1, Resulting Numbers: [21, 22, 1] Generated Node #0,0: 44:[21, 22, 1] Operation: 79/79=1 Moving to Node #0,0 Current State: 44:[21, 22, 1], Operations: ['79/79=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22, 22] Generated Node #0,0,0: 44:[22, 22] Operation: 21+1=22 Moving to Node #0,0,0 Current State: 44:[22, 22], Operations: ['79/79=1', '21+1=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 51, 48, 96, 1 ]
49
[ "51*1=51", "96/48=2", "51-2=49" ]
Current State: 49:[51, 48, 96, 1], Operations: [] Exploring Operation: 51*1=51, Resulting Numbers: [48, 96, 51] Generated Node #2: [48, 96, 51] from Operation: 51*1=51 Current State: 49:[48, 96, 51], Operations: ['51*1=51'] Exploring Operation: 96/48=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 96/48=2 Current State: 49:[51, 2], Operations: ['51*1=51', '96/48=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[51, 48, 96, 1], Operations: [] Exploring Operation: 96-48=48, Resulting Numbers: [51, 1, 48] Generated Node #0,0: 49:[51, 1, 48] Operation: 96-48=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[51, 1, 48], Operations: ['96-48=48'] Exploring Operation: 51-1=50, Resulting Numbers: [48, 50] Generated Node #0,0,0: 49:[48, 50] Operation: 51-1=50 Moving to Node #0,0,0 Current State: 49:[48, 50], Operations: ['96-48=48', '51-1=50'] Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,49 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
[ 7, 43, 91, 42 ]
13
[ "43-7=36", "91-42=49", "49-36=13" ]
Current State: 13:[7, 43, 91, 42], Operations: [] Exploring Operation: 43-7=36, Resulting Numbers: [91, 42, 36] Generated Node #2: [91, 42, 36] from Operation: 43-7=36 Current State: 13:[91, 42, 36], Operations: ['43-7=36'] Exploring Operation: 91-42=49, Resulting Numbers: [36, 49] Generated Node #3: [36, 49] from Operation: 91-42=49 Current State: 13:[36, 49], Operations: ['43-7=36', '91-42=49'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[7, 43, 91, 42], Operations: [] Exploring Operation: 91-42=49, Resulting Numbers: [7, 43, 49] Generated Node #0,0: 13:[7, 43, 49] Operation: 91-42=49 Exploring Operation: 91/7=13, Resulting Numbers: [43, 42, 13] Generated Node #0,1: 13:[43, 42, 13] Operation: 91/7=13 Exploring Operation: 91-43=48, Resulting Numbers: [7, 42, 48] Generated Node #0,2: 13:[7, 42, 48] Operation: 91-43=48 Moving to Node #0,1 Current State: 13:[43, 42, 13], Operations: ['91/7=13'] Exploring Operation: 42-13=29, Resulting Numbers: [43, 29] Generated Node #0,1,0: 13:[43, 29] Operation: 42-13=29 Exploring Operation: 43-13=30, Resulting Numbers: [42, 30] Generated Node #0,1,1: 13:[42, 30] Operation: 43-13=30 Exploring Operation: 43-42=1, Resulting Numbers: [13, 1] Generated Node #0,1,2: 13:[13, 1] Operation: 43-42=1 Moving to Node #0,2 Current State: 13:[7, 42, 48], Operations: ['91-43=48'] Exploring Operation: 42/7=6, Resulting Numbers: [48, 6] Generated Node #0,2,0: 13:[48, 6] Operation: 42/7=6 Exploring Operation: 42-7=35, Resulting Numbers: [48, 35] Generated Node #0,2,1: 13:[48, 35] Operation: 42-7=35 Exploring Operation: 48-42=6, Resulting Numbers: [7, 6] Generated Node #0,2,2: 13:[7, 6] Operation: 48-42=6 Moving to Node #0,0 Current State: 13:[7, 43, 49], Operations: ['91-42=49'] Exploring Operation: 43-7=36, Resulting Numbers: [49, 36] Generated Node #0,0,0: 13:[49, 36] Operation: 43-7=36 Exploring Operation: 49/7=7, Resulting Numbers: [43, 7] Generated Node #0,0,1: 13:[43, 7] Operation: 49/7=7 Exploring Operation: 49-43=6, Resulting Numbers: [7, 6] Generated Node #0,0,2: 13:[7, 6] Operation: 49-43=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[7, 6], Operations: ['91-42=49', '49-43=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[7, 43, 91, 42], Operations: [] Exploring Operation: 91-42=49, Resulting Numbers: [7, 43, 49] Generated Node #0,0: 13:[7, 43, 49] Operation: 91-42=49 Moving to Node #0,0 Current State: 13:[7, 43, 49], Operations: ['91-42=49'] Exploring Operation: 49-43=6, Resulting Numbers: [7, 6] Generated Node #0,0,2: 13:[7, 6] Operation: 49-43=6 Moving to Node #0,0,2 Current State: 13:[7, 6], Operations: ['91-42=49', '49-43=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 6, 72, 6, 90 ]
87
[ "6*72=432", "90+432=522", "522/6=87" ]
Current State: 87:[6, 72, 6, 90], Operations: [] Exploring Operation: 6*72=432, Resulting Numbers: [90, 432] Generated Node #2: [90, 432] from Operation: 6*72=432 Current State: 87:[90, 432], Operations: ['6*72=432'] Exploring Operation: 90+432=522, Resulting Numbers: [522] 522,87 equal: Goal Reached Exploring Operation: 522/6=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[6, 72, 6, 90], Operations: [] Exploring Operation: 72/6=12, Resulting Numbers: [6, 90, 12] Generated Node #0,0: 87:[6, 90, 12] Operation: 72/6=12 Exploring Operation: 72+6=78, Resulting Numbers: [6, 90, 78] Generated Node #0,1: 87:[6, 90, 78] Operation: 72+6=78 Exploring Operation: 6+72=78, Resulting Numbers: [6, 90, 78] Generated Node #0,2: 87:[6, 90, 78] Operation: 6+72=78 Moving to Node #0,0 Current State: 87:[6, 90, 12], Operations: ['72/6=12'] Exploring Operation: 12-6=6, Resulting Numbers: [90, 6] Generated Node #0,0,0: 87:[90, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [90, 2] Generated Node #0,0,1: 87:[90, 2] Operation: 12/6=2 Exploring Operation: 90-6=84, Resulting Numbers: [12, 84] Generated Node #0,0,2: 87:[12, 84] Operation: 90-6=84 Moving to Node #0,1 Current State: 87:[6, 90, 78], Operations: ['72+6=78'] Exploring Operation: 6+78=84, Resulting Numbers: [90, 84] Generated Node #0,1,0: 87:[90, 84] Operation: 6+78=84 Exploring Operation: 90-78=12, Resulting Numbers: [6, 12] Generated Node #0,1,1: 87:[6, 12] Operation: 90-78=12 Exploring Operation: 90-6=84, Resulting Numbers: [78, 84] Generated Node #0,1,2: 87:[78, 84] Operation: 90-6=84 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[90, 84], Operations: ['72+6=78', '6+78=84'] Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,87 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[6, 12], Operations: ['72+6=78', '90-78=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[78, 84], Operations: ['72+6=78', '90-6=84'] Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,87 unequal: No Solution Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,87 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,87 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: 87:[6, 90, 78], Operations: ['6+72=78'] Exploring Operation: 6+78=84, Resulting Numbers: [90, 84] Generated Node #0,2,0: 87:[90, 84] Operation: 6+78=84 Exploring Operation: 90-6=84, Resulting Numbers: [78, 84] Generated Node #0,2,1: 87:[78, 84] Operation: 90-6=84 Exploring Operation: 90-78=12, Resulting Numbers: [6, 12] Generated Node #0,2,2: 87:[6, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[90, 84], Operations: ['6+72=78', '6+78=84'] Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,87 unequal: No Solution Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,87 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[78, 84], Operations: ['6+72=78', '90-6=84'] Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,87 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[6, 12], Operations: ['6+72=78', '90-78=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,87 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: 87:[90, 2], Operations: ['72/6=12', '12/6=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,87 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[90, 6], Operations: ['72/6=12', '12-6=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[12, 84], Operations: ['72/6=12', '90-6=84'] Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,87 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,87 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 11, 40, 76 ]
13
[ "40-2=38", "76/38=2", "11+2=13" ]
Current State: 13:[2, 11, 40, 76], Operations: [] Exploring Operation: 40-2=38, Resulting Numbers: [11, 76, 38] Generated Node #2: [11, 76, 38] from Operation: 40-2=38 Current State: 13:[11, 76, 38], Operations: ['40-2=38'] Exploring Operation: 76/38=2, Resulting Numbers: [11, 2] Generated Node #3: [11, 2] from Operation: 76/38=2 Current State: 13:[11, 2], Operations: ['40-2=38', '76/38=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[2, 11, 40, 76], Operations: [] Exploring Operation: 40-2=38, Resulting Numbers: [11, 76, 38] Generated Node #0,0: 13:[11, 76, 38] Operation: 40-2=38 Exploring Operation: 2+11=13, Resulting Numbers: [40, 76, 13] Generated Node #0,1: 13:[40, 76, 13] Operation: 2+11=13 Exploring Operation: 40/2=20, Resulting Numbers: [11, 76, 20] Generated Node #0,2: 13:[11, 76, 20] Operation: 40/2=20 Exploring Operation: 76/2=38, Resulting Numbers: [11, 40, 38] Generated Node #0,3: 13:[11, 40, 38] Operation: 76/2=38 Exploring Operation: 76-40=36, Resulting Numbers: [2, 11, 36] Generated Node #0,4: 13:[2, 11, 36] Operation: 76-40=36 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[2, 11, 36], Operations: ['76-40=36'] Exploring Operation: 36-2=34, Resulting Numbers: [11, 34] Generated Node #0,4,0: 13:[11, 34] Operation: 36-2=34 Exploring Operation: 36/2=18, Resulting Numbers: [11, 18] Generated Node #0,4,1: 13:[11, 18] Operation: 36/2=18 Exploring Operation: 36-11=25, Resulting Numbers: [2, 25] Generated Node #0,4,2: 13:[2, 25] Operation: 36-11=25 Exploring Operation: 2+11=13, Resulting Numbers: [36, 13] Generated Node #0,4,3: 13:[36, 13] Operation: 2+11=13 Exploring Operation: 11-2=9, Resulting Numbers: [36, 9] Generated Node #0,4,4: 13:[36, 9] Operation: 11-2=9 Moving to Node #0,4,1 Current State: 13:[11, 18], Operations: ['76-40=36', '36/2=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,13 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,13 unequal: No Solution Moving to Node #0,4,2 Current State: 13:[2, 25], Operations: ['76-40=36', '36-11=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,13 unequal: No Solution Moving to Node #0,4,0 Current State: 13:[11, 34], Operations: ['76-40=36', '36-2=34'] Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,13 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,13 unequal: No Solution Moving to Node #0,4,3 Current State: 13:[36, 13], Operations: ['76-40=36', '2+11=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,13 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,13 unequal: No Solution Moving to Node #0,4,4 Current State: 13:[36, 9], Operations: ['76-40=36', '11-2=9'] Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,13 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,13 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 #0,3 Current State: 13:[11, 40, 38], Operations: ['76/2=38'] Exploring Operation: 11+40=51, Resulting Numbers: [38, 51] Generated Node #0,3,0: 13:[38, 51] Operation: 11+40=51 Exploring Operation: 40-11=29, Resulting Numbers: [38, 29] Generated Node #0,3,1: 13:[38, 29] Operation: 40-11=29 Exploring Operation: 40-38=2, Resulting Numbers: [11, 2] Generated Node #0,3,2: 13:[11, 2] Operation: 40-38=2 Exploring Operation: 11+38=49, Resulting Numbers: [40, 49] Generated Node #0,3,3: 13:[40, 49] Operation: 11+38=49 Exploring Operation: 38-11=27, Resulting Numbers: [40, 27] Generated Node #0,3,4: 13:[40, 27] Operation: 38-11=27 Moving to Node #0,3,2 Current State: 13:[11, 2], Operations: ['76/2=38', '40-38=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[2, 11, 40, 76], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [11, 40, 38] Generated Node #0,3: 13:[11, 40, 38] Operation: 76/2=38 Moving to Node #0,3 Current State: 13:[11, 40, 38], Operations: ['76/2=38'] Exploring Operation: 40-38=2, Resulting Numbers: [11, 2] Generated Node #0,3,2: 13:[11, 2] Operation: 40-38=2 Moving to Node #0,3,2 Current State: 13:[11, 2], Operations: ['76/2=38', '40-38=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 22, 86, 19, 52 ]
46
[ "22-19=3", "86+52=138", "138/3=46" ]
Current State: 46:[22, 86, 19, 52], Operations: [] Exploring Operation: 22-19=3, Resulting Numbers: [86, 52, 3] Generated Node #2: [86, 52, 3] from Operation: 22-19=3 Current State: 46:[86, 52, 3], Operations: ['22-19=3'] Exploring Operation: 86+52=138, Resulting Numbers: [3, 138] Generated Node #3: [3, 138] from Operation: 86+52=138 Current State: 46:[3, 138], Operations: ['22-19=3', '86+52=138'] Exploring Operation: 138/3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[22, 86, 19, 52], Operations: [] Exploring Operation: 86-52=34, Resulting Numbers: [22, 19, 34] Generated Node #0,0: 46:[22, 19, 34] Operation: 86-52=34 Exploring Operation: 86-22=64, Resulting Numbers: [19, 52, 64] Generated Node #0,1: 46:[19, 52, 64] Operation: 86-22=64 Moving to Node #0,0 Current State: 46:[22, 19, 34], Operations: ['86-52=34'] Exploring Operation: 19+34=53, Resulting Numbers: [22, 53] Generated Node #0,0,0: 46:[22, 53] Operation: 19+34=53 Exploring Operation: 34-19=15, Resulting Numbers: [22, 15] Generated Node #0,0,1: 46:[22, 15] Operation: 34-19=15 Moving to Node #0,1 Current State: 46:[19, 52, 64], Operations: ['86-22=64'] Exploring Operation: 64-52=12, Resulting Numbers: [19, 12] Generated Node #0,1,0: 46:[19, 12] Operation: 64-52=12 Exploring Operation: 64-19=45, Resulting Numbers: [52, 45] Generated Node #0,1,1: 46:[52, 45] Operation: 64-19=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[52, 45], Operations: ['86-22=64', '64-19=45'] Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 52+45=97, Resulting Numbers: [97] 97,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[19, 12], Operations: ['86-22=64', '64-52=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 46:[22, 53], Operations: ['86-52=34', '19+34=53'] Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 22+53=75, Resulting Numbers: [75] 75,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[22, 15], Operations: ['86-52=34', '34-19=15'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,46 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 8, 61, 88, 91 ]
23
[ "8+61=69", "91-88=3", "69/3=23" ]
Current State: 23:[8, 61, 88, 91], Operations: [] Exploring Operation: 8+61=69, Resulting Numbers: [88, 91, 69] Generated Node #2: [88, 91, 69] from Operation: 8+61=69 Current State: 23:[88, 91, 69], Operations: ['8+61=69'] Exploring Operation: 91-88=3, Resulting Numbers: [69, 3] Generated Node #3: [69, 3] from Operation: 91-88=3 Current State: 23:[69, 3], Operations: ['8+61=69', '91-88=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[8, 61, 88, 91], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [8, 61, 3] Generated Node #0,0: 23:[8, 61, 3] Operation: 91-88=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[8, 61, 3], Operations: ['91-88=3'] Exploring Operation: 8*3=24, Resulting Numbers: [61, 24] Generated Node #0,0,0: 23:[61, 24] Operation: 8*3=24 Moving to Node #0,0,0 Current State: 23:[61, 24], Operations: ['91-88=3', '8*3=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,23 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
[ 34, 51, 37, 68 ]
44
[ "68/34=2", "51+37=88", "88/2=44" ]
Current State: 44:[34, 51, 37, 68], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [51, 37, 2] Generated Node #2: [51, 37, 2] from Operation: 68/34=2 Current State: 44:[51, 37, 2], Operations: ['68/34=2'] Exploring Operation: 51+37=88, Resulting Numbers: [2, 88] Generated Node #3: [2, 88] from Operation: 51+37=88 Current State: 44:[2, 88], Operations: ['68/34=2', '51+37=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[34, 51, 37, 68], Operations: [] Exploring Operation: 68-51=17, Resulting Numbers: [34, 37, 17] Generated Node #0,0: 44:[34, 37, 17] Operation: 68-51=17 Exploring Operation: 68/34=2, Resulting Numbers: [51, 37, 2] Generated Node #0,1: 44:[51, 37, 2] Operation: 68/34=2 Exploring Operation: 68-34=34, Resulting Numbers: [51, 37, 34] Generated Node #0,2: 44:[51, 37, 34] Operation: 68-34=34 Moving to Node #0,1 Current State: 44:[51, 37, 2], Operations: ['68/34=2'] Exploring Operation: 51-37=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 44:[2, 14] Operation: 51-37=14 Exploring Operation: 37+2=39, Resulting Numbers: [51, 39] Generated Node #0,1,1: 44:[51, 39] Operation: 37+2=39 Exploring Operation: 51-2=49, Resulting Numbers: [37, 49] Generated Node #0,1,2: 44:[37, 49] Operation: 51-2=49 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[2, 14], Operations: ['68/34=2', '51-37=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[51, 39], Operations: ['68/34=2', '37+2=39'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[37, 49], Operations: ['68/34=2', '51-2=49'] Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,44 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,44 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: 44:[34, 37, 17], Operations: ['68-51=17'] Exploring Operation: 34/17=2, Resulting Numbers: [37, 2] Generated Node #0,0,0: 44:[37, 2] Operation: 34/17=2 Exploring Operation: 34-17=17, Resulting Numbers: [37, 17] Generated Node #0,0,1: 44:[37, 17] Operation: 34-17=17 Exploring Operation: 37-34=3, Resulting Numbers: [17, 3] Generated Node #0,0,2: 44:[17, 3] Operation: 37-34=3 Moving to Node #0,2 Current State: 44:[51, 37, 34], Operations: ['68-34=34'] Exploring Operation: 51-37=14, Resulting Numbers: [34, 14] Generated Node #0,2,0: 44:[34, 14] Operation: 51-37=14 Exploring Operation: 51-34=17, Resulting Numbers: [37, 17] Generated Node #0,2,1: 44:[37, 17] Operation: 51-34=17 Exploring Operation: 37-34=3, Resulting Numbers: [51, 3] Generated Node #0,2,2: 44:[51, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 44:[51, 3], Operations: ['68-34=34', '37-34=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[37, 17], Operations: ['68-34=34', '51-34=17'] Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,44 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[34, 14], Operations: ['68-34=34', '51-37=14'] Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,44 unequal: No Solution Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 44:[17, 3], Operations: ['68-51=17', '37-34=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,44 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[37, 2], Operations: ['68-51=17', '34/17=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,44 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[37, 17], Operations: ['68-51=17', '34-17=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,44 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 16, 2, 37, 40 ]
15
[ "16+2=18", "40-37=3", "18-3=15" ]
Current State: 15:[16, 2, 37, 40], Operations: [] Exploring Operation: 16+2=18, Resulting Numbers: [37, 40, 18] Generated Node #2: [37, 40, 18] from Operation: 16+2=18 Current State: 15:[37, 40, 18], Operations: ['16+2=18'] Exploring Operation: 40-37=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 40-37=3 Current State: 15:[18, 3], Operations: ['16+2=18', '40-37=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[16, 2, 37, 40], Operations: [] Exploring Operation: 40-37=3, Resulting Numbers: [16, 2, 3] Generated Node #0,0: 15:[16, 2, 3] Operation: 40-37=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[16, 2, 3], Operations: ['40-37=3'] Exploring Operation: 16-2=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 15:[3, 14] Operation: 16-2=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[3, 14], Operations: ['40-37=3', '16-2=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 93, 92, 24, 98 ]
51
[ "98-92=6", "24*6=144", "144-93=51" ]
Current State: 51:[93, 92, 24, 98], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [93, 24, 6] Generated Node #2: [93, 24, 6] from Operation: 98-92=6 Current State: 51:[93, 24, 6], Operations: ['98-92=6'] Exploring Operation: 24*6=144, Resulting Numbers: [93, 144] Generated Node #3: [93, 144] from Operation: 24*6=144 Current State: 51:[93, 144], Operations: ['98-92=6', '24*6=144'] Exploring Operation: 144-93=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[93, 92, 24, 98], Operations: [] Exploring Operation: 98-93=5, Resulting Numbers: [92, 24, 5] Generated Node #0,0: 51:[92, 24, 5] Operation: 98-93=5 Moving to Node #0,0 Current State: 51:[92, 24, 5], Operations: ['98-93=5'] Exploring Operation: 92-24=68, Resulting Numbers: [5, 68] Generated Node #0,0,0: 51:[5, 68] Operation: 92-24=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[5, 68], Operations: ['98-93=5', '92-24=68'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 92, 11, 38, 53 ]
73
[ "53-38=15", "11*15=165", "165-92=73" ]
Current State: 73:[92, 11, 38, 53], Operations: [] Exploring Operation: 53-38=15, Resulting Numbers: [92, 11, 15] Generated Node #2: [92, 11, 15] from Operation: 53-38=15 Current State: 73:[92, 11, 15], Operations: ['53-38=15'] Exploring Operation: 11*15=165, Resulting Numbers: [92, 165] Generated Node #3: [92, 165] from Operation: 11*15=165 Current State: 73:[92, 165], Operations: ['53-38=15', '11*15=165'] Exploring Operation: 165-92=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[92, 11, 38, 53], Operations: [] Exploring Operation: 11+38=49, Resulting Numbers: [92, 53, 49] Generated Node #0,0: 73:[92, 53, 49] Operation: 11+38=49 Exploring Operation: 92-11=81, Resulting Numbers: [38, 53, 81] Generated Node #0,1: 73:[38, 53, 81] Operation: 92-11=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[92, 53, 49], Operations: ['11+38=49'] Exploring Operation: 53+49=102, Resulting Numbers: [92, 102] Generated Node #0,0,0: 73:[92, 102] Operation: 53+49=102 Exploring Operation: 92-49=43, Resulting Numbers: [53, 43] Generated Node #0,0,1: 73:[53, 43] Operation: 92-49=43 Moving to Node #0,0,0 Current State: 73:[92, 102], Operations: ['11+38=49', '53+49=102'] Exploring Operation: 92+102=194, Resulting Numbers: [194] 194,73 unequal: No Solution Exploring Operation: 102-92=10, Resulting Numbers: [10] 10,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[53, 43], Operations: ['11+38=49', '92-49=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[38, 53, 81], Operations: ['92-11=81'] Exploring Operation: 38+53=91, Resulting Numbers: [81, 91] Generated Node #0,1,0: 73:[81, 91] Operation: 38+53=91 Exploring Operation: 81-38=43, Resulting Numbers: [53, 43] Generated Node #0,1,1: 73:[53, 43] Operation: 81-38=43 Moving to Node #0,1,0 Current State: 73:[81, 91], Operations: ['92-11=81', '38+53=91'] Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 81+91=172, Resulting Numbers: [172] 172,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[53, 43], Operations: ['92-11=81', '81-38=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,73 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
[ 16, 33, 2, 5 ]
81
[ "5-2=3", "16*3=48", "33+48=81" ]
Current State: 81:[16, 33, 2, 5], Operations: [] Exploring Operation: 5-2=3, Resulting Numbers: [16, 33, 3] Generated Node #2: [16, 33, 3] from Operation: 5-2=3 Current State: 81:[16, 33, 3], Operations: ['5-2=3'] Exploring Operation: 16*3=48, Resulting Numbers: [33, 48] Generated Node #3: [33, 48] from Operation: 16*3=48 Current State: 81:[33, 48], Operations: ['5-2=3', '16*3=48'] Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[16, 33, 2, 5], Operations: [] Exploring Operation: 16-5=11, Resulting Numbers: [33, 2, 11] Generated Node #0,0: 81:[33, 2, 11] Operation: 16-5=11 Exploring Operation: 16*5=80, Resulting Numbers: [33, 2, 80] Generated Node #0,1: 81:[33, 2, 80] Operation: 16*5=80 Exploring Operation: 16/2=8, Resulting Numbers: [33, 5, 8] Generated Node #0,2: 81:[33, 5, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[33, 2, 80], Operations: ['16*5=80'] Exploring Operation: 2+80=82, Resulting Numbers: [33, 82] Generated Node #0,1,0: 81:[33, 82] Operation: 2+80=82 Exploring Operation: 33-2=31, Resulting Numbers: [80, 31] Generated Node #0,1,1: 81:[80, 31] Operation: 33-2=31 Exploring Operation: 33+2=35, Resulting Numbers: [80, 35] Generated Node #0,1,2: 81:[80, 35] Operation: 33+2=35 Moving to Node #0,1,1 Current State: 81:[80, 31], Operations: ['16*5=80', '33-2=31'] Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,81 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,81 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[33, 82], Operations: ['16*5=80', '2+80=82'] Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,81 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,81 unequal: No Solution Exploring Operation: 33*82=2706, Resulting Numbers: [2706] 2706,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[80, 35], Operations: ['16*5=80', '33+2=35'] Exploring Operation: 80+35=115, Resulting Numbers: [115] 115,81 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,81 unequal: No Solution Exploring Operation: 80*35=2800, Resulting Numbers: [2800] 2800,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[33, 2, 11], Operations: ['16-5=11'] Exploring Operation: 33/11=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 81:[2, 3] Operation: 33/11=3 Exploring Operation: 33-11=22, Resulting Numbers: [2, 22] Generated Node #0,0,1: 81:[2, 22] Operation: 33-11=22 Exploring Operation: 33-2=31, Resulting Numbers: [11, 31] Generated Node #0,0,2: 81:[11, 31] Operation: 33-2=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[2, 3], Operations: ['16-5=11', '33/11=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[2, 22], Operations: ['16-5=11', '33-11=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[11, 31], Operations: ['16-5=11', '33-2=31'] Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,81 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[33, 5, 8], Operations: ['16/2=8'] Exploring Operation: 8-5=3, Resulting Numbers: [33, 3] Generated Node #0,2,0: 81:[33, 3] Operation: 8-5=3 Exploring Operation: 33-8=25, Resulting Numbers: [5, 25] Generated Node #0,2,1: 81:[5, 25] Operation: 33-8=25 Exploring Operation: 33-5=28, Resulting Numbers: [8, 28] Generated Node #0,2,2: 81:[8, 28] Operation: 33-5=28 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[8, 28], Operations: ['16/2=8', '33-5=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,81 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[5, 25], Operations: ['16/2=8', '33-8=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[33, 3], Operations: ['16/2=8', '8-5=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 20, 4, 6, 90 ]
68
[ "20-4=16", "90-6=84", "84-16=68" ]
Current State: 68:[20, 4, 6, 90], Operations: [] Exploring Operation: 20-4=16, Resulting Numbers: [6, 90, 16] Generated Node #2: [6, 90, 16] from Operation: 20-4=16 Current State: 68:[6, 90, 16], Operations: ['20-4=16'] Exploring Operation: 90-6=84, Resulting Numbers: [16, 84] Generated Node #3: [16, 84] from Operation: 90-6=84 Current State: 68:[16, 84], Operations: ['20-4=16', '90-6=84'] Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[20, 4, 6, 90], Operations: [] Exploring Operation: 90-20=70, Resulting Numbers: [4, 6, 70] Generated Node #0,0: 68:[4, 6, 70] Operation: 90-20=70 Exploring Operation: 90/6=15, Resulting Numbers: [20, 4, 15] Generated Node #0,1: 68:[20, 4, 15] Operation: 90/6=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[4, 6, 70], Operations: ['90-20=70'] Exploring Operation: 70-4=66, Resulting Numbers: [6, 66] Generated Node #0,0,0: 68:[6, 66] Operation: 70-4=66 Exploring Operation: 6-4=2, Resulting Numbers: [70, 2] Generated Node #0,0,1: 68:[70, 2] Operation: 6-4=2 Moving to Node #0,0,1 Current State: 68:[70, 2], Operations: ['90-20=70', '6-4=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[20, 4, 6, 90], Operations: [] Exploring Operation: 90-20=70, Resulting Numbers: [4, 6, 70] Generated Node #0,0: 68:[4, 6, 70] Operation: 90-20=70 Moving to Node #0,0 Current State: 68:[4, 6, 70], Operations: ['90-20=70'] Exploring Operation: 6-4=2, Resulting Numbers: [70, 2] Generated Node #0,0,1: 68:[70, 2] Operation: 6-4=2 Moving to Node #0,0,1 Current State: 68:[70, 2], Operations: ['90-20=70', '6-4=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 50, 89, 96, 79 ]
56
[ "89-50=39", "96-79=17", "39+17=56" ]
Current State: 56:[50, 89, 96, 79], Operations: [] Exploring Operation: 89-50=39, Resulting Numbers: [96, 79, 39] Generated Node #2: [96, 79, 39] from Operation: 89-50=39 Current State: 56:[96, 79, 39], Operations: ['89-50=39'] Exploring Operation: 96-79=17, Resulting Numbers: [39, 17] Generated Node #3: [39, 17] from Operation: 96-79=17 Current State: 56:[39, 17], Operations: ['89-50=39', '96-79=17'] Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[50, 89, 96, 79], Operations: [] Exploring Operation: 96-89=7, Resulting Numbers: [50, 79, 7] Generated Node #0,0: 56:[50, 79, 7] Operation: 96-89=7 Exploring Operation: 96-79=17, Resulting Numbers: [50, 89, 17] Generated Node #0,1: 56:[50, 89, 17] Operation: 96-79=17 Exploring Operation: 89-79=10, Resulting Numbers: [50, 96, 10] Generated Node #0,2: 56:[50, 96, 10] Operation: 89-79=10 Exploring Operation: 96-50=46, Resulting Numbers: [89, 79, 46] Generated Node #0,3: 56:[89, 79, 46] Operation: 96-50=46 Exploring Operation: 89-50=39, Resulting Numbers: [96, 79, 39] Generated Node #0,4: 56:[96, 79, 39] Operation: 89-50=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[50, 79, 7], Operations: ['96-89=7'] Exploring Operation: 50+7=57, Resulting Numbers: [79, 57] Generated Node #0,0,0: 56:[79, 57] Operation: 50+7=57 Exploring Operation: 79-7=72, Resulting Numbers: [50, 72] Generated Node #0,0,1: 56:[50, 72] Operation: 79-7=72 Exploring Operation: 79+7=86, Resulting Numbers: [50, 86] Generated Node #0,0,2: 56:[50, 86] Operation: 79+7=86 Exploring Operation: 50-7=43, Resulting Numbers: [79, 43] Generated Node #0,0,3: 56:[79, 43] Operation: 50-7=43 Exploring Operation: 79-50=29, Resulting Numbers: [7, 29] Generated Node #0,0,4: 56:[7, 29] Operation: 79-50=29 Moving to Node #0,0,4 Current State: 56:[7, 29], Operations: ['96-89=7', '79-50=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[50, 72], Operations: ['96-89=7', '79-7=72'] Exploring Operation: 50+72=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 50*72=3600, Resulting Numbers: [3600] 3600,56 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[79, 57], Operations: ['96-89=7', '50+7=57'] Exploring Operation: 79+57=136, Resulting Numbers: [136] 136,56 unequal: No Solution Exploring Operation: 79*57=4503, Resulting Numbers: [4503] 4503,56 unequal: No Solution Exploring Operation: 79-57=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[50, 86], Operations: ['96-89=7', '79+7=86'] Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 50+86=136, Resulting Numbers: [136] 136,56 unequal: No Solution Exploring Operation: 50*86=4300, Resulting Numbers: [4300] 4300,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[79, 43], Operations: ['96-89=7', '50-7=43'] Exploring Operation: 79-43=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 79+43=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 79*43=3397, Resulting Numbers: [3397] 3397,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[50, 89, 17], Operations: ['96-79=17'] Exploring Operation: 89+17=106, Resulting Numbers: [50, 106] Generated Node #0,1,0: 56:[50, 106] Operation: 89+17=106 Exploring Operation: 50+17=67, Resulting Numbers: [89, 67] Generated Node #0,1,1: 56:[89, 67] Operation: 50+17=67 Exploring Operation: 50-17=33, Resulting Numbers: [89, 33] Generated Node #0,1,2: 56:[89, 33] Operation: 50-17=33 Exploring Operation: 89-50=39, Resulting Numbers: [17, 39] Generated Node #0,1,3: 56:[17, 39] Operation: 89-50=39 Exploring Operation: 89-17=72, Resulting Numbers: [50, 72] Generated Node #0,1,4: 56:[50, 72] Operation: 89-17=72 Moving to Node #0,1,3 Current State: 56:[17, 39], Operations: ['96-79=17', '89-50=39'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,56 unequal: No Solution Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[50, 89, 96, 79], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [50, 89, 17] Generated Node #0,1: 56:[50, 89, 17] Operation: 96-79=17 Moving to Node #0,1 Current State: 56:[50, 89, 17], Operations: ['96-79=17'] Exploring Operation: 89-50=39, Resulting Numbers: [17, 39] Generated Node #0,1,3: 56:[17, 39] Operation: 89-50=39 Moving to Node #0,1,3 Current State: 56:[17, 39], Operations: ['96-79=17', '89-50=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 95, 20, 42, 72 ]
14
[ "95-20=75", "75-72=3", "42/3=14" ]
Current State: 14:[95, 20, 42, 72], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [42, 72, 75] Generated Node #2: [42, 72, 75] from Operation: 95-20=75 Current State: 14:[42, 72, 75], Operations: ['95-20=75'] Exploring Operation: 75-72=3, Resulting Numbers: [42, 3] Generated Node #3: [42, 3] from Operation: 75-72=3 Current State: 14:[42, 3], Operations: ['95-20=75', '75-72=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[95, 20, 42, 72], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [20, 42, 23] Generated Node #0,0: 14:[20, 42, 23] Operation: 95-72=23 Moving to Node #0,0 Current State: 14:[20, 42, 23], Operations: ['95-72=23'] Exploring Operation: 42-23=19, Resulting Numbers: [20, 19] Generated Node #0,0,0: 14:[20, 19] Operation: 42-23=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[20, 19], Operations: ['95-72=23', '42-23=19'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,14 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
[ 55, 27, 14, 17 ]
51
[ "55+27=82", "14+17=31", "82-31=51" ]
Current State: 51:[55, 27, 14, 17], Operations: [] Exploring Operation: 55+27=82, Resulting Numbers: [14, 17, 82] Generated Node #2: [14, 17, 82] from Operation: 55+27=82 Current State: 51:[14, 17, 82], Operations: ['55+27=82'] Exploring Operation: 14+17=31, Resulting Numbers: [82, 31] Generated Node #3: [82, 31] from Operation: 14+17=31 Current State: 51:[82, 31], Operations: ['55+27=82', '14+17=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[55, 27, 14, 17], Operations: [] Exploring Operation: 27+14=41, Resulting Numbers: [55, 17, 41] Generated Node #0,0: 51:[55, 17, 41] Operation: 27+14=41 Exploring Operation: 27+17=44, Resulting Numbers: [55, 14, 44] Generated Node #0,1: 51:[55, 14, 44] Operation: 27+17=44 Exploring Operation: 27-14=13, Resulting Numbers: [55, 17, 13] Generated Node #0,2: 51:[55, 17, 13] Operation: 27-14=13 Exploring Operation: 55-27=28, Resulting Numbers: [14, 17, 28] Generated Node #0,3: 51:[14, 17, 28] Operation: 55-27=28 Exploring Operation: 27-17=10, Resulting Numbers: [55, 14, 10] Generated Node #0,4: 51:[55, 14, 10] Operation: 27-17=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[55, 17, 13], Operations: ['27-14=13'] Exploring Operation: 55+13=68, Resulting Numbers: [17, 68] Generated Node #0,2,0: 51:[17, 68] Operation: 55+13=68 Exploring Operation: 17+13=30, Resulting Numbers: [55, 30] Generated Node #0,2,1: 51:[55, 30] Operation: 17+13=30 Exploring Operation: 55-13=42, Resulting Numbers: [17, 42] Generated Node #0,2,2: 51:[17, 42] Operation: 55-13=42 Exploring Operation: 55-17=38, Resulting Numbers: [13, 38] Generated Node #0,2,3: 51:[13, 38] Operation: 55-17=38 Exploring Operation: 17-13=4, Resulting Numbers: [55, 4] Generated Node #0,2,4: 51:[55, 4] Operation: 17-13=4 Moving to Node #0,2,4 Current State: 51:[55, 4], Operations: ['27-14=13', '17-13=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,51 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[55, 27, 14, 17], Operations: [] Exploring Operation: 27-14=13, Resulting Numbers: [55, 17, 13] Generated Node #0,2: 51:[55, 17, 13] Operation: 27-14=13 Moving to Node #0,2 Current State: 51:[55, 17, 13], Operations: ['27-14=13'] Exploring Operation: 17-13=4, Resulting Numbers: [55, 4] Generated Node #0,2,4: 51:[55, 4] Operation: 17-13=4 Moving to Node #0,2,4 Current State: 51:[55, 4], Operations: ['27-14=13', '17-13=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 21, 80, 61, 36 ]
18
[ "80-21=59", "61-59=2", "36/2=18" ]
Current State: 18:[21, 80, 61, 36], Operations: [] Exploring Operation: 80-21=59, Resulting Numbers: [61, 36, 59] Generated Node #2: [61, 36, 59] from Operation: 80-21=59 Current State: 18:[61, 36, 59], Operations: ['80-21=59'] Exploring Operation: 61-59=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 61-59=2 Current State: 18:[36, 2], Operations: ['80-21=59', '61-59=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[21, 80, 61, 36], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [21, 61, 44] Generated Node #0,0: 18:[21, 61, 44] Operation: 80-36=44 Exploring Operation: 80-61=19, Resulting Numbers: [21, 36, 19] Generated Node #0,1: 18:[21, 36, 19] Operation: 80-61=19 Moving to Node #0,1 Current State: 18:[21, 36, 19], Operations: ['80-61=19'] Exploring Operation: 36-21=15, Resulting Numbers: [19, 15] Generated Node #0,1,0: 18:[19, 15] Operation: 36-21=15 Exploring Operation: 36-19=17, Resulting Numbers: [21, 17] Generated Node #0,1,1: 18:[21, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[19, 15], Operations: ['80-61=19', '36-21=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,18 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:[21, 17], Operations: ['80-61=19', '36-19=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,18 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:[21, 61, 44], Operations: ['80-36=44'] Exploring Operation: 61-21=40, Resulting Numbers: [44, 40] Generated Node #0,0,0: 18:[44, 40] Operation: 61-21=40 Exploring Operation: 61-44=17, Resulting Numbers: [21, 17] Generated Node #0,0,1: 18:[21, 17] Operation: 61-44=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[21, 17], Operations: ['80-36=44', '61-44=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,18 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 #0,0,0 Current State: 18:[44, 40], Operations: ['80-36=44', '61-21=40'] Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,18 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,18 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
[ 45, 3, 49, 84 ]
60
[ "84-49=35", "3*35=105", "105-45=60" ]
Current State: 60:[45, 3, 49, 84], Operations: [] Exploring Operation: 84-49=35, Resulting Numbers: [45, 3, 35] Generated Node #2: [45, 3, 35] from Operation: 84-49=35 Current State: 60:[45, 3, 35], Operations: ['84-49=35'] Exploring Operation: 3*35=105, Resulting Numbers: [45, 105] Generated Node #3: [45, 105] from Operation: 3*35=105 Current State: 60:[45, 105], Operations: ['84-49=35', '3*35=105'] Exploring Operation: 105-45=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[45, 3, 49, 84], Operations: [] Exploring Operation: 84-45=39, Resulting Numbers: [3, 49, 39] Generated Node #0,0: 60:[3, 49, 39] Operation: 84-45=39 Exploring Operation: 84/3=28, Resulting Numbers: [45, 49, 28] Generated Node #0,1: 60:[45, 49, 28] Operation: 84/3=28 Exploring Operation: 45/3=15, Resulting Numbers: [49, 84, 15] Generated Node #0,2: 60:[49, 84, 15] Operation: 45/3=15 Exploring Operation: 84-49=35, Resulting Numbers: [45, 3, 35] Generated Node #0,3: 60:[45, 3, 35] Operation: 84-49=35 Exploring Operation: 49-45=4, Resulting Numbers: [3, 84, 4] Generated Node #0,4: 60:[3, 84, 4] Operation: 49-45=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[3, 49, 39], Operations: ['84-45=39'] Exploring Operation: 39-3=36, Resulting Numbers: [49, 36] Generated Node #0,0,0: 60:[49, 36] Operation: 39-3=36 Exploring Operation: 39/3=13, Resulting Numbers: [49, 13] Generated Node #0,0,1: 60:[49, 13] Operation: 39/3=13 Exploring Operation: 49-3=46, Resulting Numbers: [39, 46] Generated Node #0,0,2: 60:[39, 46] Operation: 49-3=46 Exploring Operation: 49-39=10, Resulting Numbers: [3, 10] Generated Node #0,0,3: 60:[3, 10] Operation: 49-39=10 Exploring Operation: 3+49=52, Resulting Numbers: [39, 52] Generated Node #0,0,4: 60:[39, 52] Operation: 3+49=52 Moving to Node #0,0,3 Current State: 60:[3, 10], Operations: ['84-45=39', '49-39=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[49, 13], Operations: ['84-45=39', '39/3=13'] Exploring Operation: 49*13=637, Resulting Numbers: [637] 637,60 unequal: No Solution Exploring Operation: 49+13=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 49-13=36, Resulting Numbers: [36] 36,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[49, 36], Operations: ['84-45=39', '39-3=36'] Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,60 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[39, 52], Operations: ['84-45=39', '3+49=52'] Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 39+52=91, Resulting Numbers: [91] 91,60 unequal: No Solution Exploring Operation: 39*52=2028, Resulting Numbers: [2028] 2028,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[39, 46], Operations: ['84-45=39', '49-3=46'] Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,60 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,60 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:[45, 3, 35], Operations: ['84-49=35'] Exploring Operation: 45-35=10, Resulting Numbers: [3, 10] Generated Node #0,3,0: 60:[3, 10] Operation: 45-35=10 Exploring Operation: 45+3=48, Resulting Numbers: [35, 48] Generated Node #0,3,1: 60:[35, 48] Operation: 45+3=48 Exploring Operation: 45-3=42, Resulting Numbers: [35, 42] Generated Node #0,3,2: 60:[35, 42] Operation: 45-3=42 Exploring Operation: 45/3=15, Resulting Numbers: [35, 15] Generated Node #0,3,3: 60:[35, 15] Operation: 45/3=15 Exploring Operation: 35-3=32, Resulting Numbers: [45, 32] Generated Node #0,3,4: 60:[45, 32] Operation: 35-3=32 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[3, 10], Operations: ['84-49=35', '45-35=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,60 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 #0,3,3 Current State: 60:[35, 15], Operations: ['84-49=35', '45/3=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,60 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 #0,3,1 Current State: 60:[35, 48], Operations: ['84-49=35', '45+3=48'] Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,60 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 #0,3,2 Current State: 60:[35, 42], Operations: ['84-49=35', '45-3=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,60 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,60 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 #0,3,4 Current State: 60:[45, 32], Operations: ['84-49=35', '35-3=32'] Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,60 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,60 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 #0,4 Current State: 60:[3, 84, 4], Operations: ['49-45=4'] Exploring Operation: 84/4=21, Resulting Numbers: [3, 21] Generated Node #0,4,0: 60:[3, 21] Operation: 84/4=21 Exploring Operation: 84-3=81, Resulting Numbers: [4, 81] Generated Node #0,4,1: 60:[4, 81] Operation: 84-3=81 Exploring Operation: 3*4=12, Resulting Numbers: [84, 12] Generated Node #0,4,2: 60:[84, 12] Operation: 3*4=12 Exploring Operation: 84/3=28, Resulting Numbers: [4, 28] Generated Node #0,4,3: 60:[4, 28] Operation: 84/3=28 Exploring Operation: 84-4=80, Resulting Numbers: [3, 80] Generated Node #0,4,4: 60:[3, 80] Operation: 84-4=80 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 60:[3, 21], Operations: ['49-45=4', '84/4=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,60 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 #0,4,3 Current State: 60:[4, 28], Operations: ['49-45=4', '84/3=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,60 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 #0,4,4 Current State: 60:[3, 80], Operations: ['49-45=4', '84-4=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,60 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 #0,4,1 Current State: 60:[4, 81], Operations: ['49-45=4', '84-3=81'] Exploring Operation: 4+81=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 4*81=324, Resulting Numbers: [324] 324,60 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 #0,4,2 Current State: 60:[84, 12], Operations: ['49-45=4', '3*4=12'] Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,60 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 84*12=1008, Resulting Numbers: [1008] 1008,60 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[45, 49, 28], Operations: ['84/3=28'] Exploring Operation: 45+28=73, Resulting Numbers: [49, 73] Generated Node #0,1,0: 60:[49, 73] Operation: 45+28=73 Exploring Operation: 49-45=4, Resulting Numbers: [28, 4] Generated Node #0,1,1: 60:[28, 4] Operation: 49-45=4 Exploring Operation: 49-28=21, Resulting Numbers: [45, 21] Generated Node #0,1,2: 60:[45, 21] Operation: 49-28=21 Exploring Operation: 45-28=17, Resulting Numbers: [49, 17] Generated Node #0,1,3: 60:[49, 17] Operation: 45-28=17 Exploring Operation: 49+28=77, Resulting Numbers: [45, 77] Generated Node #0,1,4: 60:[45, 77] Operation: 49+28=77 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[28, 4], Operations: ['84/3=28', '49-45=4'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,60 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 #0,1,3 Current State: 60:[49, 17], Operations: ['84/3=28', '45-28=17'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 49*17=833, Resulting Numbers: [833] 833,60 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 #0,1,2 Current State: 60:[45, 21], Operations: ['84/3=28', '49-28=21'] Exploring Operation: 45*21=945, Resulting Numbers: [945] 945,60 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,60 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 #0,1,0 Current State: 60:[49, 73], Operations: ['84/3=28', '45+28=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,60 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 #0,1,4 Current State: 60:[45, 77], Operations: ['84/3=28', '49+28=77'] Exploring Operation: 45+77=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 45*77=3465, Resulting Numbers: [3465] 3465,60 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,60 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 #0,2 Current State: 60:[49, 84, 15], Operations: ['45/3=15'] Exploring Operation: 84-15=69, Resulting Numbers: [49, 69] Generated Node #0,2,0: 60:[49, 69] Operation: 84-15=69 Exploring Operation: 84+15=99, Resulting Numbers: [49, 99] Generated Node #0,2,1: 60:[49, 99] Operation: 84+15=99 Exploring Operation: 49-15=34, Resulting Numbers: [84, 34] Generated Node #0,2,2: 60:[84, 34] Operation: 49-15=34 Exploring Operation: 84-49=35, Resulting Numbers: [15, 35] Generated Node #0,2,3: 60:[15, 35] Operation: 84-49=35 Exploring Operation: 49+15=64, Resulting Numbers: [84, 64] Generated Node #0,2,4: 60:[84, 64] Operation: 49+15=64 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 60:[15, 35], Operations: ['45/3=15', '84-49=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,60 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:[49, 69], Operations: ['45/3=15', '84-15=69'] Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 49*69=3381, Resulting Numbers: [3381] 3381,60 unequal: No Solution Exploring Operation: 49+69=118, Resulting Numbers: [118] 118,60 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 #0,2,2 Current State: 60:[84, 34], Operations: ['45/3=15', '49-15=34'] Exploring Operation: 84*34=2856, Resulting Numbers: [2856] 2856,60 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 84+34=118, Resulting Numbers: [118] 118,60 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 #0,2,4 Current State: 60:[84, 64], Operations: ['45/3=15', '49+15=64'] Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,60 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,60 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:[49, 99], Operations: ['45/3=15', '84+15=99'] Exploring Operation: 99-49=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 49+99=148, Resulting Numbers: [148] 148,60 unequal: No Solution Exploring Operation: 49*99=4851, Resulting Numbers: [4851] 4851,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 77, 17, 57, 75 ]
78
[ "77-17=60", "75-57=18", "60+18=78" ]
Current State: 78:[77, 17, 57, 75], Operations: [] Exploring Operation: 77-17=60, Resulting Numbers: [57, 75, 60] Generated Node #2: [57, 75, 60] from Operation: 77-17=60 Current State: 78:[57, 75, 60], Operations: ['77-17=60'] Exploring Operation: 75-57=18, Resulting Numbers: [60, 18] Generated Node #3: [60, 18] from Operation: 75-57=18 Current State: 78:[60, 18], Operations: ['77-17=60', '75-57=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[77, 17, 57, 75], Operations: [] Exploring Operation: 57-17=40, Resulting Numbers: [77, 75, 40] Generated Node #0,0: 78:[77, 75, 40] Operation: 57-17=40 Exploring Operation: 17+57=74, Resulting Numbers: [77, 75, 74] Generated Node #0,1: 78:[77, 75, 74] Operation: 17+57=74 Exploring Operation: 75-57=18, Resulting Numbers: [77, 17, 18] Generated Node #0,2: 78:[77, 17, 18] Operation: 75-57=18 Exploring Operation: 77-57=20, Resulting Numbers: [17, 75, 20] Generated Node #0,3: 78:[17, 75, 20] Operation: 77-57=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[77, 75, 40], Operations: ['57-17=40'] Exploring Operation: 75-40=35, Resulting Numbers: [77, 35] Generated Node #0,0,0: 78:[77, 35] Operation: 75-40=35 Exploring Operation: 77-40=37, Resulting Numbers: [75, 37] Generated Node #0,0,1: 78:[75, 37] Operation: 77-40=37 Exploring Operation: 77-75=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 78:[40, 2] Operation: 77-75=2 Exploring Operation: 75+40=115, Resulting Numbers: [77, 115] Generated Node #0,0,3: 78:[77, 115] Operation: 75+40=115 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 78:[40, 2], Operations: ['57-17=40', '77-75=2'] Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,78 unequal: No Solution No 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: 78:[77, 35], Operations: ['57-17=40', '75-40=35'] Exploring Operation: 77*35=2695, Resulting Numbers: [2695] 2695,78 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 77+35=112, Resulting Numbers: [112] 112,78 unequal: No Solution No 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: 78:[75, 37], Operations: ['57-17=40', '77-40=37'] Exploring Operation: 75*37=2775, Resulting Numbers: [2775] 2775,78 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 75+37=112, Resulting Numbers: [112] 112,78 unequal: No Solution No 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: 78:[77, 115], Operations: ['57-17=40', '75+40=115'] Exploring Operation: 77*115=8855, Resulting Numbers: [8855] 8855,78 unequal: No Solution Exploring Operation: 77+115=192, Resulting Numbers: [192] 192,78 unequal: No Solution Exploring Operation: 115-77=38, Resulting Numbers: [38] 38,78 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: 78:[77, 75, 74], Operations: ['17+57=74'] Exploring Operation: 75-74=1, Resulting Numbers: [77, 1] Generated Node #0,1,0: 78:[77, 1] Operation: 75-74=1 Exploring Operation: 77-75=2, Resulting Numbers: [74, 2] Generated Node #0,1,1: 78:[74, 2] Operation: 77-75=2 Exploring Operation: 77-74=3, Resulting Numbers: [75, 3] Generated Node #0,1,2: 78:[75, 3] Operation: 77-74=3 Exploring Operation: 75+74=149, Resulting Numbers: [77, 149] Generated Node #0,1,3: 78:[77, 149] Operation: 75+74=149 Moving to Node #0,1,0 Current State: 78:[77, 1], Operations: ['17+57=74', '75-74=1'] Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 77+1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[77, 17, 57, 75], Operations: [] Exploring Operation: 17+57=74, Resulting Numbers: [77, 75, 74] Generated Node #0,1: 78:[77, 75, 74] Operation: 17+57=74 Moving to Node #0,1 Current State: 78:[77, 75, 74], Operations: ['17+57=74'] Exploring Operation: 75-74=1, Resulting Numbers: [77, 1] Generated Node #0,1,0: 78:[77, 1] Operation: 75-74=1 Moving to Node #0,1,0 Current State: 78:[77, 1], Operations: ['17+57=74', '75-74=1'] Exploring Operation: 77+1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 32, 22, 82, 75 ]
47
[ "32+22=54", "82-75=7", "54-7=47" ]
Current State: 47:[32, 22, 82, 75], Operations: [] Exploring Operation: 32+22=54, Resulting Numbers: [82, 75, 54] Generated Node #2: [82, 75, 54] from Operation: 32+22=54 Current State: 47:[82, 75, 54], Operations: ['32+22=54'] Exploring Operation: 82-75=7, Resulting Numbers: [54, 7] Generated Node #3: [54, 7] from Operation: 82-75=7 Current State: 47:[54, 7], Operations: ['32+22=54', '82-75=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[32, 22, 82, 75], Operations: [] Exploring Operation: 75-22=53, Resulting Numbers: [32, 82, 53] Generated Node #0,0: 47:[32, 82, 53] Operation: 75-22=53 Exploring Operation: 32+22=54, Resulting Numbers: [82, 75, 54] Generated Node #0,1: 47:[82, 75, 54] Operation: 32+22=54 Exploring Operation: 82-32=50, Resulting Numbers: [22, 75, 50] Generated Node #0,2: 47:[22, 75, 50] Operation: 82-32=50 Exploring Operation: 82-22=60, Resulting Numbers: [32, 75, 60] Generated Node #0,3: 47:[32, 75, 60] Operation: 82-22=60 Exploring Operation: 75-32=43, Resulting Numbers: [22, 82, 43] Generated Node #0,4: 47:[22, 82, 43] Operation: 75-32=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[32, 82, 53], Operations: ['75-22=53'] Exploring Operation: 32+82=114, Resulting Numbers: [53, 114] Generated Node #0,0,0: 47:[53, 114] Operation: 32+82=114 Exploring Operation: 53-32=21, Resulting Numbers: [82, 21] Generated Node #0,0,1: 47:[82, 21] Operation: 53-32=21 Exploring Operation: 82-53=29, Resulting Numbers: [32, 29] Generated Node #0,0,2: 47:[32, 29] Operation: 82-53=29 Exploring Operation: 32+53=85, Resulting Numbers: [82, 85] Generated Node #0,0,3: 47:[82, 85] Operation: 32+53=85 Exploring Operation: 82-32=50, Resulting Numbers: [53, 50] Generated Node #0,0,4: 47:[53, 50] Operation: 82-32=50 Moving to Node #0,0,4 Current State: 47:[53, 50], Operations: ['75-22=53', '82-32=50'] Exploring Operation: 53*50=2650, Resulting Numbers: [2650] 2650,47 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 53+50=103, Resulting Numbers: [103] 103,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[32, 29], Operations: ['75-22=53', '82-53=29'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[82, 21], Operations: ['75-22=53', '53-32=21'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,47 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[53, 114], Operations: ['75-22=53', '32+82=114'] Exploring Operation: 53*114=6042, Resulting Numbers: [6042] 6042,47 unequal: No Solution Exploring Operation: 53+114=167, Resulting Numbers: [167] 167,47 unequal: No Solution Exploring Operation: 114-53=61, Resulting Numbers: [61] 61,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[82, 85], Operations: ['75-22=53', '32+53=85'] Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 82*85=6970, Resulting Numbers: [6970] 6970,47 unequal: No Solution Exploring Operation: 82+85=167, Resulting Numbers: [167] 167,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[22, 75, 50], Operations: ['82-32=50'] Exploring Operation: 75-22=53, Resulting Numbers: [50, 53] Generated Node #0,2,0: 47:[50, 53] Operation: 75-22=53 Exploring Operation: 75-50=25, Resulting Numbers: [22, 25] Generated Node #0,2,1: 47:[22, 25] Operation: 75-50=25 Exploring Operation: 22+75=97, Resulting Numbers: [50, 97] Generated Node #0,2,2: 47:[50, 97] Operation: 22+75=97 Exploring Operation: 22+50=72, Resulting Numbers: [75, 72] Generated Node #0,2,3: 47:[75, 72] Operation: 22+50=72 Exploring Operation: 50-22=28, Resulting Numbers: [75, 28] Generated Node #0,2,4: 47:[75, 28] Operation: 50-22=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[50, 53], Operations: ['82-32=50', '75-22=53'] Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 50+53=103, Resulting Numbers: [103] 103,47 unequal: No Solution Exploring Operation: 50*53=2650, Resulting Numbers: [2650] 2650,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[22, 25], Operations: ['82-32=50', '75-50=25'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,47 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[32, 22, 82, 75], Operations: [] Exploring Operation: 82-32=50, Resulting Numbers: [22, 75, 50] Generated Node #0,2: 47:[22, 75, 50] Operation: 82-32=50 Moving to Node #0,2 Current State: 47:[22, 75, 50], Operations: ['82-32=50'] Exploring Operation: 75-50=25, Resulting Numbers: [22, 25] Generated Node #0,2,1: 47:[22, 25] Operation: 75-50=25 Moving to Node #0,2,1 Current State: 47:[22, 25], Operations: ['82-32=50', '75-50=25'] Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 11, 28, 21, 62 ]
24
[ "28-11=17", "62-21=41", "41-17=24" ]
Current State: 24:[11, 28, 21, 62], Operations: [] Exploring Operation: 28-11=17, Resulting Numbers: [21, 62, 17] Generated Node #2: [21, 62, 17] from Operation: 28-11=17 Current State: 24:[21, 62, 17], Operations: ['28-11=17'] Exploring Operation: 62-21=41, Resulting Numbers: [17, 41] Generated Node #3: [17, 41] from Operation: 62-21=41 Current State: 24:[17, 41], Operations: ['28-11=17', '62-21=41'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[11, 28, 21, 62], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [11, 21, 34] Generated Node #0,0: 24:[11, 21, 34] Operation: 62-28=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[11, 21, 34], Operations: ['62-28=34'] Exploring Operation: 34-21=13, Resulting Numbers: [11, 13] Generated Node #0,0,0: 24:[11, 13] Operation: 34-21=13 Moving to Node #0,0,0 Current State: 24:[11, 13], Operations: ['62-28=34', '34-21=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[11, 28, 21, 62], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [11, 21, 34] Generated Node #0,0: 24:[11, 21, 34] Operation: 62-28=34 Moving to Node #0,0 Current State: 24:[11, 21, 34], Operations: ['62-28=34'] Exploring Operation: 34-21=13, Resulting Numbers: [11, 13] Generated Node #0,0,0: 24:[11, 13] Operation: 34-21=13 Moving to Node #0,0,0 Current State: 24:[11, 13], Operations: ['62-28=34', '34-21=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 12, 47, 40, 18 ]
13
[ "47-12=35", "40-18=22", "35-22=13" ]
Current State: 13:[12, 47, 40, 18], Operations: [] Exploring Operation: 47-12=35, Resulting Numbers: [40, 18, 35] Generated Node #2: [40, 18, 35] from Operation: 47-12=35 Current State: 13:[40, 18, 35], Operations: ['47-12=35'] Exploring Operation: 40-18=22, Resulting Numbers: [35, 22] Generated Node #3: [35, 22] from Operation: 40-18=22 Current State: 13:[35, 22], Operations: ['47-12=35', '40-18=22'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[12, 47, 40, 18], Operations: [] Exploring Operation: 47-40=7, Resulting Numbers: [12, 18, 7] Generated Node #0,0: 13:[12, 18, 7] Operation: 47-40=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[12, 18, 7], Operations: ['47-40=7'] Exploring Operation: 18-7=11, Resulting Numbers: [12, 11] Generated Node #0,0,0: 13:[12, 11] Operation: 18-7=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[12, 11], Operations: ['47-40=7', '18-7=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,13 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_1
sum_heuristic
[ 17, 32, 14, 79 ]
11
[ "17+79=96", "96/32=3", "14-3=11" ]
Current State: 11:[17, 32, 14, 79], Operations: [] Exploring Operation: 17+79=96, Resulting Numbers: [32, 14, 96] Generated Node #2: [32, 14, 96] from Operation: 17+79=96 Current State: 11:[32, 14, 96], Operations: ['17+79=96'] Exploring Operation: 96/32=3, Resulting Numbers: [14, 3] Generated Node #3: [14, 3] from Operation: 96/32=3 Current State: 11:[14, 3], Operations: ['17+79=96', '96/32=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[17, 32, 14, 79], Operations: [] Exploring Operation: 79-17=62, Resulting Numbers: [32, 14, 62] Generated Node #0,0: 11:[32, 14, 62] Operation: 79-17=62 Exploring Operation: 32-17=15, Resulting Numbers: [14, 79, 15] Generated Node #0,1: 11:[14, 79, 15] Operation: 32-17=15 Exploring Operation: 79-32=47, Resulting Numbers: [17, 14, 47] Generated Node #0,2: 11:[17, 14, 47] Operation: 79-32=47 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[17, 14, 47], Operations: ['79-32=47'] Exploring Operation: 47-14=33, Resulting Numbers: [17, 33] Generated Node #0,2,0: 11:[17, 33] Operation: 47-14=33 Exploring Operation: 17-14=3, Resulting Numbers: [47, 3] Generated Node #0,2,1: 11:[47, 3] Operation: 17-14=3 Exploring Operation: 47-17=30, Resulting Numbers: [14, 30] Generated Node #0,2,2: 11:[14, 30] Operation: 47-17=30 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[14, 30], Operations: ['79-32=47', '47-17=30'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[17, 33], Operations: ['79-32=47', '47-14=33'] Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,11 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[47, 3], Operations: ['79-32=47', '17-14=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[32, 14, 62], Operations: ['79-17=62'] Exploring Operation: 32-14=18, Resulting Numbers: [62, 18] Generated Node #0,0,0: 11:[62, 18] Operation: 32-14=18 Exploring Operation: 62-32=30, Resulting Numbers: [14, 30] Generated Node #0,0,1: 11:[14, 30] Operation: 62-32=30 Exploring Operation: 62-14=48, Resulting Numbers: [32, 48] Generated Node #0,0,2: 11:[32, 48] Operation: 62-14=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[14, 30], Operations: ['79-17=62', '62-32=30'] Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,11 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[62, 18], Operations: ['79-17=62', '32-14=18'] Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,11 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[32, 48], Operations: ['79-17=62', '62-14=48'] Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,11 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[14, 79, 15], Operations: ['32-17=15'] Exploring Operation: 79-14=65, Resulting Numbers: [15, 65] Generated Node #0,1,0: 11:[15, 65] Operation: 79-14=65 Exploring Operation: 15-14=1, Resulting Numbers: [79, 1] Generated Node #0,1,1: 11:[79, 1] Operation: 15-14=1 Exploring Operation: 79-15=64, Resulting Numbers: [14, 64] Generated Node #0,1,2: 11:[14, 64] Operation: 79-15=64 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[14, 64], Operations: ['32-17=15', '79-15=64'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 14+64=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 14*64=896, Resulting Numbers: [896] 896,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[15, 65], Operations: ['32-17=15', '79-14=65'] Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 15*65=975, Resulting Numbers: [975] 975,11 unequal: No Solution Exploring Operation: 15+65=80, Resulting Numbers: [80] 80,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[79, 1], Operations: ['32-17=15', '15-14=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,11 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,11 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 41, 96, 9 ]
43
[ "96-78=18", "18/9=2", "41+2=43" ]
Current State: 43:[78, 41, 96, 9], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [41, 9, 18] Generated Node #2: [41, 9, 18] from Operation: 96-78=18 Current State: 43:[41, 9, 18], Operations: ['96-78=18'] Exploring Operation: 18/9=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 18/9=2 Current State: 43:[41, 2], Operations: ['96-78=18', '18/9=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[78, 41, 96, 9], Operations: [] Exploring Operation: 78-9=69, Resulting Numbers: [41, 96, 69] Generated Node #0,0: 43:[41, 96, 69] Operation: 78-9=69 Exploring Operation: 96-41=55, Resulting Numbers: [78, 9, 55] Generated Node #0,1: 43:[78, 9, 55] Operation: 96-41=55 Exploring Operation: 96-78=18, Resulting Numbers: [41, 9, 18] Generated Node #0,2: 43:[41, 9, 18] Operation: 96-78=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[41, 9, 18], Operations: ['96-78=18'] Exploring Operation: 41-9=32, Resulting Numbers: [18, 32] Generated Node #0,2,0: 43:[18, 32] Operation: 41-9=32 Exploring Operation: 41+9=50, Resulting Numbers: [18, 50] Generated Node #0,2,1: 43:[18, 50] Operation: 41+9=50 Exploring Operation: 9+18=27, Resulting Numbers: [41, 27] Generated Node #0,2,2: 43:[41, 27] Operation: 9+18=27 Moving to Node #0,2,2 Current State: 43:[41, 27], Operations: ['96-78=18', '9+18=27'] Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,43 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[18, 50], Operations: ['96-78=18', '41+9=50'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 18*50=900, Resulting Numbers: [900] 900,43 unequal: No Solution Exploring Operation: 18+50=68, Resulting Numbers: [68] 68,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[18, 32], Operations: ['96-78=18', '41-9=32'] Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,43 unequal: No Solution Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,43 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[41, 96, 69], Operations: ['78-9=69'] Exploring Operation: 96-69=27, Resulting Numbers: [41, 27] Generated Node #0,0,0: 43:[41, 27] Operation: 96-69=27 Exploring Operation: 69-41=28, Resulting Numbers: [96, 28] Generated Node #0,0,1: 43:[96, 28] Operation: 69-41=28 Exploring Operation: 96-41=55, Resulting Numbers: [69, 55] Generated Node #0,0,2: 43:[69, 55] Operation: 96-41=55 Moving to Node #0,0,0 Current State: 43:[41, 27], Operations: ['78-9=69', '96-69=27'] Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,43 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[69, 55], Operations: ['78-9=69', '96-41=55'] Exploring Operation: 69*55=3795, Resulting Numbers: [3795] 3795,43 unequal: No Solution Exploring Operation: 69-55=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 69+55=124, Resulting Numbers: [124] 124,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[96, 28], Operations: ['78-9=69', '69-41=28'] Exploring Operation: 96+28=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 96*28=2688, Resulting Numbers: [2688] 2688,43 unequal: No Solution Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[78, 9, 55], Operations: ['96-41=55'] Exploring Operation: 78-9=69, Resulting Numbers: [55, 69] Generated Node #0,1,0: 43:[55, 69] Operation: 78-9=69 Exploring Operation: 55-9=46, Resulting Numbers: [78, 46] Generated Node #0,1,1: 43:[78, 46] Operation: 55-9=46 Exploring Operation: 78-55=23, Resulting Numbers: [9, 23] Generated Node #0,1,2: 43:[9, 23] Operation: 78-55=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[55, 69], Operations: ['96-41=55', '78-9=69'] Exploring Operation: 55+69=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 55*69=3795, Resulting Numbers: [3795] 3795,43 unequal: No Solution Exploring Operation: 69-55=14, Resulting Numbers: [14] 14,43 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 #0,1,1 Current State: 43:[78, 46], Operations: ['96-41=55', '55-9=46'] Exploring Operation: 78-46=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 78+46=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 78*46=3588, Resulting Numbers: [3588] 3588,43 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 #0,1,2 Current State: 43:[9, 23], Operations: ['96-41=55', '78-55=23'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,43 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_3
mult_heuristic
[ 41, 28, 74, 56 ]
31
[ "41-28=13", "74-56=18", "13+18=31" ]
Current State: 31:[41, 28, 74, 56], Operations: [] Exploring Operation: 41-28=13, Resulting Numbers: [74, 56, 13] Generated Node #2: [74, 56, 13] from Operation: 41-28=13 Current State: 31:[74, 56, 13], Operations: ['41-28=13'] Exploring Operation: 74-56=18, Resulting Numbers: [13, 18] Generated Node #3: [13, 18] from Operation: 74-56=18 Current State: 31:[13, 18], Operations: ['41-28=13', '74-56=18'] Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[41, 28, 74, 56], Operations: [] Exploring Operation: 74-41=33, Resulting Numbers: [28, 56, 33] Generated Node #0,0: 31:[28, 56, 33] Operation: 74-41=33 Exploring Operation: 74-56=18, Resulting Numbers: [41, 28, 18] Generated Node #0,1: 31:[41, 28, 18] Operation: 74-56=18 Moving to Node #0,1 Current State: 31:[41, 28, 18], Operations: ['74-56=18'] Exploring Operation: 41-18=23, Resulting Numbers: [28, 23] Generated Node #0,1,0: 31:[28, 23] Operation: 41-18=23 Exploring Operation: 28+18=46, Resulting Numbers: [41, 46] Generated Node #0,1,1: 31:[41, 46] Operation: 28+18=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[28, 23], Operations: ['74-56=18', '41-18=23'] Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[41, 46], Operations: ['74-56=18', '28+18=46'] Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,31 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,31 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: 31:[28, 56, 33], Operations: ['74-41=33'] Exploring Operation: 56-33=23, Resulting Numbers: [28, 23] Generated Node #0,0,0: 31:[28, 23] Operation: 56-33=23 Exploring Operation: 56-28=28, Resulting Numbers: [33, 28] Generated Node #0,0,1: 31:[33, 28] Operation: 56-28=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[33, 28], Operations: ['74-41=33', '56-28=28'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[28, 23], Operations: ['74-41=33', '56-33=23'] Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 2, 18, 8, 74 ]
76
[ "18-2=16", "16/8=2", "74+2=76" ]
Current State: 76:[2, 18, 8, 74], Operations: [] Exploring Operation: 18-2=16, Resulting Numbers: [8, 74, 16] Generated Node #2: [8, 74, 16] from Operation: 18-2=16 Current State: 76:[8, 74, 16], Operations: ['18-2=16'] Exploring Operation: 16/8=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 16/8=2 Current State: 76:[74, 2], Operations: ['18-2=16', '16/8=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[2, 18, 8, 74], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [18, 8, 37] Generated Node #0,0: 76:[18, 8, 37] Operation: 74/2=37 Exploring Operation: 8-2=6, Resulting Numbers: [18, 74, 6] Generated Node #0,1: 76:[18, 74, 6] Operation: 8-2=6 Exploring Operation: 2*8=16, Resulting Numbers: [18, 74, 16] Generated Node #0,2: 76:[18, 74, 16] Operation: 2*8=16 Exploring Operation: 2+74=76, Resulting Numbers: [18, 8, 76] Generated Node #0,3: 76:[18, 8, 76] Operation: 2+74=76 Exploring Operation: 8/2=4, Resulting Numbers: [18, 74, 4] Generated Node #0,4: 76:[18, 74, 4] Operation: 8/2=4 Moving to Node #0,4 Current State: 76:[18, 74, 4], Operations: ['8/2=4'] Exploring Operation: 74+4=78, Resulting Numbers: [18, 78] Generated Node #0,4,0: 76:[18, 78] Operation: 74+4=78 Exploring Operation: 74-4=70, Resulting Numbers: [18, 70] Generated Node #0,4,1: 76:[18, 70] Operation: 74-4=70 Exploring Operation: 18+4=22, Resulting Numbers: [74, 22] Generated Node #0,4,2: 76:[74, 22] Operation: 18+4=22 Exploring Operation: 18*4=72, Resulting Numbers: [74, 72] Generated Node #0,4,3: 76:[74, 72] Operation: 18*4=72 Exploring Operation: 18-4=14, Resulting Numbers: [74, 14] Generated Node #0,4,4: 76:[74, 14] Operation: 18-4=14 Moving to Node #0,3 Current State: 76:[18, 8, 76], Operations: ['2+74=76'] Exploring Operation: 8+76=84, Resulting Numbers: [18, 84] Generated Node #0,3,0: 76:[18, 84] Operation: 8+76=84 Exploring Operation: 18+8=26, Resulting Numbers: [76, 26] Generated Node #0,3,1: 76:[76, 26] Operation: 18+8=26 Exploring Operation: 76-8=68, Resulting Numbers: [18, 68] Generated Node #0,3,2: 76:[18, 68] Operation: 76-8=68 Exploring Operation: 18+76=94, Resulting Numbers: [8, 94] Generated Node #0,3,3: 76:[8, 94] Operation: 18+76=94 Exploring Operation: 18-8=10, Resulting Numbers: [76, 10] Generated Node #0,3,4: 76:[76, 10] Operation: 18-8=10 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 76:[76, 10], Operations: ['2+74=76', '18-8=10'] Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,76 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,76 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 #0,3,1 Current State: 76:[76, 26], Operations: ['2+74=76', '18+8=26'] Exploring Operation: 76*26=1976, Resulting Numbers: [1976] 1976,76 unequal: No Solution Exploring Operation: 76+26=102, Resulting Numbers: [102] 102,76 unequal: No Solution Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,76 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 #0,3,0 Current State: 76:[18, 84], Operations: ['2+74=76', '8+76=84'] Exploring Operation: 18*84=1512, Resulting Numbers: [1512] 1512,76 unequal: No Solution Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 18+84=102, Resulting Numbers: [102] 102,76 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 #0,3,2 Current State: 76:[18, 68], Operations: ['2+74=76', '76-8=68'] Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,76 unequal: No Solution Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,76 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 #0,3,3 Current State: 76:[8, 94], Operations: ['2+74=76', '18+76=94'] Exploring Operation: 8*94=752, Resulting Numbers: [752] 752,76 unequal: No Solution Exploring Operation: 8+94=102, Resulting Numbers: [102] 102,76 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,76 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: 76:[18, 74, 6], Operations: ['8-2=6'] Exploring Operation: 74+6=80, Resulting Numbers: [18, 80] Generated Node #0,1,0: 76:[18, 80] Operation: 74+6=80 Exploring Operation: 74-6=68, Resulting Numbers: [18, 68] Generated Node #0,1,1: 76:[18, 68] Operation: 74-6=68 Exploring Operation: 18/6=3, Resulting Numbers: [74, 3] Generated Node #0,1,2: 76:[74, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [74, 12] Generated Node #0,1,3: 76:[74, 12] Operation: 18-6=12 Exploring Operation: 18+6=24, Resulting Numbers: [74, 24] Generated Node #0,1,4: 76:[74, 24] Operation: 18+6=24 Moving to Node #0,0 Current State: 76:[18, 8, 37], Operations: ['74/2=37'] Exploring Operation: 37-8=29, Resulting Numbers: [18, 29] Generated Node #0,0,0: 76:[18, 29] Operation: 37-8=29 Exploring Operation: 8+37=45, Resulting Numbers: [18, 45] Generated Node #0,0,1: 76:[18, 45] Operation: 8+37=45 Exploring Operation: 37-18=19, Resulting Numbers: [8, 19] Generated Node #0,0,2: 76:[8, 19] Operation: 37-18=19 Exploring Operation: 18+8=26, Resulting Numbers: [37, 26] Generated Node #0,0,3: 76:[37, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [37, 10] Generated Node #0,0,4: 76:[37, 10] Operation: 18-8=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[8, 19], Operations: ['74/2=37', '37-18=19'] Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,76 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,76 unequal: No Solution No solution found. 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: 76:[37, 10], Operations: ['74/2=37', '18-8=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[18, 45], Operations: ['74/2=37', '8+37=45'] Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[37, 26], Operations: ['74/2=37', '18+8=26'] Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,76 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[18, 29], Operations: ['74/2=37', '37-8=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,76 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,76 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:[18, 74, 16], Operations: ['2*8=16'] Exploring Operation: 18+16=34, Resulting Numbers: [74, 34] Generated Node #0,2,0: 76:[74, 34] Operation: 18+16=34 Exploring Operation: 74+16=90, Resulting Numbers: [18, 90] Generated Node #0,2,1: 76:[18, 90] Operation: 74+16=90 Exploring Operation: 74-16=58, Resulting Numbers: [18, 58] Generated Node #0,2,2: 76:[18, 58] Operation: 74-16=58 Exploring Operation: 18-16=2, Resulting Numbers: [74, 2] Generated Node #0,2,3: 76:[74, 2] Operation: 18-16=2 Exploring Operation: 18+74=92, Resulting Numbers: [16, 92] Generated Node #0,2,4: 76:[16, 92] Operation: 18+74=92 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 76:[74, 2], Operations: ['2*8=16', '18-16=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[2, 18, 8, 74], Operations: [] Exploring Operation: 2*8=16, Resulting Numbers: [18, 74, 16] Generated Node #0,2: 76:[18, 74, 16] Operation: 2*8=16 Moving to Node #0,2 Current State: 76:[18, 74, 16], Operations: ['2*8=16'] Exploring Operation: 18-16=2, Resulting Numbers: [74, 2] Generated Node #0,2,3: 76:[74, 2] Operation: 18-16=2 Moving to Node #0,2,3 Current State: 76:[74, 2], Operations: ['2*8=16', '18-16=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.943576
hs_5
mult_heuristic
[ 64, 35, 9, 19 ]
90
[ "64-35=29", "29-19=10", "9*10=90" ]
Current State: 90:[64, 35, 9, 19], Operations: [] Exploring Operation: 64-35=29, Resulting Numbers: [9, 19, 29] Generated Node #2: [9, 19, 29] from Operation: 64-35=29 Current State: 90:[9, 19, 29], Operations: ['64-35=29'] Exploring Operation: 29-19=10, Resulting Numbers: [9, 10] Generated Node #3: [9, 10] from Operation: 29-19=10 Current State: 90:[9, 10], Operations: ['64-35=29', '29-19=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[64, 35, 9, 19], Operations: [] Exploring Operation: 64+35=99, Resulting Numbers: [9, 19, 99] Generated Node #0,0: 90:[9, 19, 99] Operation: 64+35=99 Exploring Operation: 64-35=29, Resulting Numbers: [9, 19, 29] Generated Node #0,1: 90:[9, 19, 29] Operation: 64-35=29 Exploring Operation: 64-19=45, Resulting Numbers: [35, 9, 45] Generated Node #0,2: 90:[35, 9, 45] Operation: 64-19=45 Exploring Operation: 64+19=83, Resulting Numbers: [35, 9, 83] Generated Node #0,3: 90:[35, 9, 83] Operation: 64+19=83 Moving to Node #0,1 Current State: 90:[9, 19, 29], Operations: ['64-35=29'] Exploring Operation: 29-9=20, Resulting Numbers: [19, 20] Generated Node #0,1,0: 90:[19, 20] Operation: 29-9=20 Exploring Operation: 19-9=10, Resulting Numbers: [29, 10] Generated Node #0,1,1: 90:[29, 10] Operation: 19-9=10 Exploring Operation: 9+19=28, Resulting Numbers: [29, 28] Generated Node #0,1,2: 90:[29, 28] Operation: 9+19=28 Exploring Operation: 29-19=10, Resulting Numbers: [9, 10] Generated Node #0,1,3: 90:[9, 10] Operation: 29-19=10 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[9, 10], Operations: ['64-35=29', '29-19=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[64, 35, 9, 19], Operations: [] Exploring Operation: 64-35=29, Resulting Numbers: [9, 19, 29] Generated Node #0,1: 90:[9, 19, 29] Operation: 64-35=29 Moving to Node #0,1 Current State: 90:[9, 19, 29], Operations: ['64-35=29'] Exploring Operation: 29-19=10, Resulting Numbers: [9, 10] Generated Node #0,1,3: 90:[9, 10] Operation: 29-19=10 Moving to Node #0,1,3 Current State: 90:[9, 10], Operations: ['64-35=29', '29-19=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 80, 84, 8, 26 ]
100
[ "80/8=10", "84+26=110", "110-10=100" ]
Current State: 100:[80, 84, 8, 26], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [84, 26, 10] Generated Node #2: [84, 26, 10] from Operation: 80/8=10 Current State: 100:[84, 26, 10], Operations: ['80/8=10'] Exploring Operation: 84+26=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 84+26=110 Current State: 100:[10, 110], Operations: ['80/8=10', '84+26=110'] Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[80, 84, 8, 26], Operations: [] Exploring Operation: 80+26=106, Resulting Numbers: [84, 8, 106] Generated Node #0,0: 100:[84, 8, 106] Operation: 80+26=106 Exploring Operation: 80-26=54, Resulting Numbers: [84, 8, 54] Generated Node #0,1: 100:[84, 8, 54] Operation: 80-26=54 Exploring Operation: 80/8=10, Resulting Numbers: [84, 26, 10] Generated Node #0,2: 100:[84, 26, 10] Operation: 80/8=10 Exploring Operation: 80+8=88, Resulting Numbers: [84, 26, 88] Generated Node #0,3: 100:[84, 26, 88] Operation: 80+8=88 Exploring Operation: 84-80=4, Resulting Numbers: [8, 26, 4] Generated Node #0,4: 100:[8, 26, 4] Operation: 84-80=4 Moving to Node #0,4 Current State: 100:[8, 26, 4], Operations: ['84-80=4'] Exploring Operation: 8-4=4, Resulting Numbers: [26, 4] Generated Node #0,4,0: 100:[26, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [26, 2] Generated Node #0,4,1: 100:[26, 2] Operation: 8/4=2 Exploring Operation: 8+4=12, Resulting Numbers: [26, 12] Generated Node #0,4,2: 100:[26, 12] Operation: 8+4=12 Exploring Operation: 26-8=18, Resulting Numbers: [4, 18] Generated Node #0,4,3: 100:[4, 18] Operation: 26-8=18 Exploring Operation: 26-4=22, Resulting Numbers: [8, 22] Generated Node #0,4,4: 100:[8, 22] Operation: 26-4=22 Moving to Node #0,2 Current State: 100:[84, 26, 10], Operations: ['80/8=10'] Exploring Operation: 84-10=74, Resulting Numbers: [26, 74] Generated Node #0,2,0: 100:[26, 74] Operation: 84-10=74 Exploring Operation: 84-26=58, Resulting Numbers: [10, 58] Generated Node #0,2,1: 100:[10, 58] Operation: 84-26=58 Exploring Operation: 84+10=94, Resulting Numbers: [26, 94] Generated Node #0,2,2: 100:[26, 94] Operation: 84+10=94 Exploring Operation: 84+26=110, Resulting Numbers: [10, 110] Generated Node #0,2,3: 100:[10, 110] Operation: 84+26=110 Exploring Operation: 26-10=16, Resulting Numbers: [84, 16] Generated Node #0,2,4: 100:[84, 16] Operation: 26-10=16 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[26, 94], Operations: ['80/8=10', '84+10=94'] Exploring Operation: 26+94=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 94-26=68, Resulting Numbers: [68] 68,100 unequal: No Solution Exploring Operation: 26*94=2444, Resulting Numbers: [2444] 2444,100 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 #0,2,1 Current State: 100:[10, 58], Operations: ['80/8=10', '84-26=58'] Exploring Operation: 10*58=580, Resulting Numbers: [580] 580,100 unequal: No Solution Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,100 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,100 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 #0,2,3 Current State: 100:[10, 110], Operations: ['80/8=10', '84+26=110'] Exploring Operation: 10+110=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[80, 84, 8, 26], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [84, 26, 10] Generated Node #0,2: 100:[84, 26, 10] Operation: 80/8=10 Moving to Node #0,2 Current State: 100:[84, 26, 10], Operations: ['80/8=10'] Exploring Operation: 84+26=110, Resulting Numbers: [10, 110] Generated Node #0,2,3: 100:[10, 110] Operation: 84+26=110 Moving to Node #0,2,3 Current State: 100:[10, 110], Operations: ['80/8=10', '84+26=110'] Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 57, 63, 22, 44 ]
25
[ "63-44=19", "57/19=3", "22+3=25" ]
Current State: 25:[57, 63, 22, 44], Operations: [] Exploring Operation: 63-44=19, Resulting Numbers: [57, 22, 19] Generated Node #2: [57, 22, 19] from Operation: 63-44=19 Current State: 25:[57, 22, 19], Operations: ['63-44=19'] Exploring Operation: 57/19=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 57/19=3 Current State: 25:[22, 3], Operations: ['63-44=19', '57/19=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[57, 63, 22, 44], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [22, 44, 6] Generated Node #0,0: 25:[22, 44, 6] Operation: 63-57=6 Exploring Operation: 63-44=19, Resulting Numbers: [57, 22, 19] Generated Node #0,1: 25:[57, 22, 19] Operation: 63-44=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[22, 44, 6], Operations: ['63-57=6'] Exploring Operation: 44/22=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 25:[6, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [6, 22] Generated Node #0,0,1: 25:[6, 22] Operation: 44-22=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[6, 2], Operations: ['63-57=6', '44/22=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,25 unequal: No Solution No 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: 25:[6, 22], Operations: ['63-57=6', '44-22=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,25 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: 25:[57, 22, 19], Operations: ['63-44=19'] Exploring Operation: 57/19=3, Resulting Numbers: [22, 3] Generated Node #0,1,0: 25:[22, 3] Operation: 57/19=3 Exploring Operation: 57-22=35, Resulting Numbers: [19, 35] Generated Node #0,1,1: 25:[19, 35] Operation: 57-22=35 Moving to Node #0,1,0 Current State: 25:[22, 3], Operations: ['63-44=19', '57/19=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[57, 63, 22, 44], Operations: [] Exploring Operation: 63-44=19, Resulting Numbers: [57, 22, 19] Generated Node #0,1: 25:[57, 22, 19] Operation: 63-44=19 Moving to Node #0,1 Current State: 25:[57, 22, 19], Operations: ['63-44=19'] Exploring Operation: 57/19=3, Resulting Numbers: [22, 3] Generated Node #0,1,0: 25:[22, 3] Operation: 57/19=3 Moving to Node #0,1,0 Current State: 25:[22, 3], Operations: ['63-44=19', '57/19=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 4, 59, 80, 50 ]
85
[ "59-4=55", "80-50=30", "55+30=85" ]
Current State: 85:[4, 59, 80, 50], Operations: [] Exploring Operation: 59-4=55, Resulting Numbers: [80, 50, 55] Generated Node #2: [80, 50, 55] from Operation: 59-4=55 Current State: 85:[80, 50, 55], Operations: ['59-4=55'] Exploring Operation: 80-50=30, Resulting Numbers: [55, 30] Generated Node #3: [55, 30] from Operation: 80-50=30 Current State: 85:[55, 30], Operations: ['59-4=55', '80-50=30'] Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[4, 59, 80, 50], Operations: [] Exploring Operation: 59+50=109, Resulting Numbers: [4, 80, 109] Generated Node #0,0: 85:[4, 80, 109] Operation: 59+50=109 Exploring Operation: 80-59=21, Resulting Numbers: [4, 50, 21] Generated Node #0,1: 85:[4, 50, 21] Operation: 80-59=21 Exploring Operation: 4+59=63, Resulting Numbers: [80, 50, 63] Generated Node #0,2: 85:[80, 50, 63] Operation: 4+59=63 Exploring Operation: 80-50=30, Resulting Numbers: [4, 59, 30] Generated Node #0,3: 85:[4, 59, 30] Operation: 80-50=30 Exploring Operation: 59-50=9, Resulting Numbers: [4, 80, 9] Generated Node #0,4: 85:[4, 80, 9] Operation: 59-50=9 Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[4, 80, 9], Operations: ['59-50=9'] Exploring Operation: 4+80=84, Resulting Numbers: [9, 84] Generated Node #0,4,0: 85:[9, 84] Operation: 4+80=84 Exploring Operation: 80+9=89, Resulting Numbers: [4, 89] Generated Node #0,4,1: 85:[4, 89] Operation: 80+9=89 Exploring Operation: 9-4=5, Resulting Numbers: [80, 5] Generated Node #0,4,2: 85:[80, 5] Operation: 9-4=5 Exploring Operation: 4+9=13, Resulting Numbers: [80, 13] Generated Node #0,4,3: 85:[80, 13] Operation: 4+9=13 Exploring Operation: 80/4=20, Resulting Numbers: [9, 20] Generated Node #0,4,4: 85:[9, 20] Operation: 80/4=20 Moving to Node #0,4,0 Current State: 85:[9, 84], Operations: ['59-50=9', '4+80=84'] Exploring Operation: 9*84=756, Resulting Numbers: [756] 756,85 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 9+84=93, Resulting Numbers: [93] 93,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[80, 5], Operations: ['59-50=9', '9-4=5'] Exploring Operation: 80*5=400, Resulting Numbers: [400] 400,85 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[4, 59, 80, 50], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [4, 80, 9] Generated Node #0,4: 85:[4, 80, 9] Operation: 59-50=9 Moving to Node #0,4 Current State: 85:[4, 80, 9], Operations: ['59-50=9'] Exploring Operation: 9-4=5, Resulting Numbers: [80, 5] Generated Node #0,4,2: 85:[80, 5] Operation: 9-4=5 Moving to Node #0,4,2 Current State: 85:[80, 5], Operations: ['59-50=9', '9-4=5'] Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 76, 2, 14, 34 ]
73
[ "76+14=90", "34/2=17", "90-17=73" ]
Current State: 73:[76, 2, 14, 34], Operations: [] Exploring Operation: 76+14=90, Resulting Numbers: [2, 34, 90] Generated Node #2: [2, 34, 90] from Operation: 76+14=90 Current State: 73:[2, 34, 90], Operations: ['76+14=90'] Exploring Operation: 34/2=17, Resulting Numbers: [90, 17] Generated Node #3: [90, 17] from Operation: 34/2=17 Current State: 73:[90, 17], Operations: ['76+14=90', '34/2=17'] Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[76, 2, 14, 34], Operations: [] Exploring Operation: 76-2=74, Resulting Numbers: [14, 34, 74] Generated Node #0,0: 73:[14, 34, 74] Operation: 76-2=74 Exploring Operation: 2*14=28, Resulting Numbers: [76, 34, 28] Generated Node #0,1: 73:[76, 34, 28] Operation: 2*14=28 Exploring Operation: 2*34=68, Resulting Numbers: [76, 14, 68] Generated Node #0,2: 73:[76, 14, 68] Operation: 2*34=68 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[76, 14, 68], Operations: ['2*34=68'] Exploring Operation: 14+68=82, Resulting Numbers: [76, 82] Generated Node #0,2,0: 73:[76, 82] Operation: 14+68=82 Exploring Operation: 76+14=90, Resulting Numbers: [68, 90] Generated Node #0,2,1: 73:[68, 90] Operation: 76+14=90 Exploring Operation: 76-14=62, Resulting Numbers: [68, 62] Generated Node #0,2,2: 73:[68, 62] Operation: 76-14=62 Moving to Node #0,2,0 Current State: 73:[76, 82], Operations: ['2*34=68', '14+68=82'] Exploring Operation: 76+82=158, Resulting Numbers: [158] 158,73 unequal: No Solution Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 76*82=6232, Resulting Numbers: [6232] 6232,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[68, 62], Operations: ['2*34=68', '76-14=62'] Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 68+62=130, Resulting Numbers: [130] 130,73 unequal: No Solution Exploring Operation: 68*62=4216, Resulting Numbers: [4216] 4216,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[68, 90], Operations: ['2*34=68', '76+14=90'] Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,73 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,73 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[76, 34, 28], Operations: ['2*14=28'] Exploring Operation: 76-28=48, Resulting Numbers: [34, 48] Generated Node #0,1,0: 73:[34, 48] Operation: 76-28=48 Exploring Operation: 76+28=104, Resulting Numbers: [34, 104] Generated Node #0,1,1: 73:[34, 104] Operation: 76+28=104 Exploring Operation: 34+28=62, Resulting Numbers: [76, 62] Generated Node #0,1,2: 73:[76, 62] Operation: 34+28=62 Moving to Node #0,1,2 Current State: 73:[76, 62], Operations: ['2*14=28', '34+28=62'] Exploring Operation: 76+62=138, Resulting Numbers: [138] 138,73 unequal: No Solution Exploring Operation: 76*62=4712, Resulting Numbers: [4712] 4712,73 unequal: No Solution Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[34, 48], Operations: ['2*14=28', '76-28=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[34, 104], Operations: ['2*14=28', '76+28=104'] Exploring Operation: 34*104=3536, Resulting Numbers: [3536] 3536,73 unequal: No Solution Exploring Operation: 34+104=138, Resulting Numbers: [138] 138,73 unequal: No Solution Exploring Operation: 104-34=70, Resulting Numbers: [70] 70,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[14, 34, 74], Operations: ['76-2=74'] Exploring Operation: 74-14=60, Resulting Numbers: [34, 60] Generated Node #0,0,0: 73:[34, 60] Operation: 74-14=60 Exploring Operation: 34-14=20, Resulting Numbers: [74, 20] Generated Node #0,0,1: 73:[74, 20] Operation: 34-14=20 Exploring Operation: 14+34=48, Resulting Numbers: [74, 48] Generated Node #0,0,2: 73:[74, 48] Operation: 14+34=48 Moving to Node #0,0,2 Current State: 73:[74, 48], Operations: ['76-2=74', '14+34=48'] Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[34, 60], Operations: ['76-2=74', '74-14=60'] Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,73 unequal: No Solution Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[74, 20], Operations: ['76-2=74', '34-14=20'] Exploring Operation: 74+20=94, Resulting Numbers: [94] 94,73 unequal: No Solution Exploring Operation: 74*20=1480, Resulting Numbers: [1480] 1480,73 unequal: No Solution Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,73 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
[ 4, 88, 76, 69 ]
77
[ "88-4=84", "76-69=7", "84-7=77" ]
Current State: 77:[4, 88, 76, 69], Operations: [] Exploring Operation: 88-4=84, Resulting Numbers: [76, 69, 84] Generated Node #2: [76, 69, 84] from Operation: 88-4=84 Current State: 77:[76, 69, 84], Operations: ['88-4=84'] Exploring Operation: 76-69=7, Resulting Numbers: [84, 7] Generated Node #3: [84, 7] from Operation: 76-69=7 Current State: 77:[84, 7], Operations: ['88-4=84', '76-69=7'] Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[4, 88, 76, 69], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [4, 69, 12] Generated Node #0,0: 77:[4, 69, 12] Operation: 88-76=12 Exploring Operation: 88-69=19, Resulting Numbers: [4, 76, 19] Generated Node #0,1: 77:[4, 76, 19] Operation: 88-69=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[4, 69, 12], Operations: ['88-76=12'] Exploring Operation: 4+69=73, Resulting Numbers: [12, 73] Generated Node #0,0,0: 77:[12, 73] Operation: 4+69=73 Exploring Operation: 69+12=81, Resulting Numbers: [4, 81] Generated Node #0,0,1: 77:[4, 81] Operation: 69+12=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[12, 73], Operations: ['88-76=12', '4+69=73'] Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,77 unequal: No Solution Exploring Operation: 12+73=85, Resulting Numbers: [85] 85,77 unequal: No Solution No 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: 77:[4, 81], Operations: ['88-76=12', '69+12=81'] Exploring Operation: 4+81=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[4, 88, 76, 69], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [4, 69, 12] Generated Node #0,0: 77:[4, 69, 12] Operation: 88-76=12 Moving to Node #0,0 Current State: 77:[4, 69, 12], Operations: ['88-76=12'] Exploring Operation: 69+12=81, Resulting Numbers: [4, 81] Generated Node #0,0,1: 77:[4, 81] Operation: 69+12=81 Moving to Node #0,0,1 Current State: 77:[4, 81], Operations: ['88-76=12', '69+12=81'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 55, 95, 75, 54 ]
61
[ "95-55=40", "75-54=21", "40+21=61" ]
Current State: 61:[55, 95, 75, 54], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [75, 54, 40] Generated Node #2: [75, 54, 40] from Operation: 95-55=40 Current State: 61:[75, 54, 40], Operations: ['95-55=40'] Exploring Operation: 75-54=21, Resulting Numbers: [40, 21] Generated Node #3: [40, 21] from Operation: 75-54=21 Current State: 61:[40, 21], Operations: ['95-55=40', '75-54=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[55, 95, 75, 54], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [75, 54, 40] Generated Node #0,0: 61:[75, 54, 40] Operation: 95-55=40 Exploring Operation: 95-75=20, Resulting Numbers: [55, 54, 20] Generated Node #0,1: 61:[55, 54, 20] Operation: 95-75=20 Exploring Operation: 95-54=41, Resulting Numbers: [55, 75, 41] Generated Node #0,2: 61:[55, 75, 41] Operation: 95-54=41 Moving to Node #0,2 Current State: 61:[55, 75, 41], Operations: ['95-54=41'] Exploring Operation: 75-41=34, Resulting Numbers: [55, 34] Generated Node #0,2,0: 61:[55, 34] Operation: 75-41=34 Exploring Operation: 55+41=96, Resulting Numbers: [75, 96] Generated Node #0,2,1: 61:[75, 96] Operation: 55+41=96 Exploring Operation: 75-55=20, Resulting Numbers: [41, 20] Generated Node #0,2,2: 61:[41, 20] Operation: 75-55=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[55, 34], Operations: ['95-54=41', '75-41=34'] Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 55*34=1870, Resulting Numbers: [1870] 1870,61 unequal: No Solution Exploring Operation: 55+34=89, Resulting Numbers: [89] 89,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[75, 96], Operations: ['95-54=41', '55+41=96'] Exploring Operation: 75*96=7200, Resulting Numbers: [7200] 7200,61 unequal: No Solution Exploring Operation: 75+96=171, Resulting Numbers: [171] 171,61 unequal: No Solution Exploring Operation: 96-75=21, Resulting Numbers: [21] 21,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[41, 20], Operations: ['95-54=41', '75-55=20'] Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[55, 95, 75, 54], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [55, 75, 41] Generated Node #0,2: 61:[55, 75, 41] Operation: 95-54=41 Moving to Node #0,2 Current State: 61:[55, 75, 41], Operations: ['95-54=41'] Exploring Operation: 75-55=20, Resulting Numbers: [41, 20] Generated Node #0,2,2: 61:[41, 20] Operation: 75-55=20 Moving to Node #0,2,2 Current State: 61:[41, 20], Operations: ['95-54=41', '75-55=20'] Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 10, 80, 64, 88 ]
15
[ "10*88=880", "80+880=960", "960/64=15" ]
Current State: 15:[10, 80, 64, 88], Operations: [] Exploring Operation: 10*88=880, Resulting Numbers: [80, 64, 880] Generated Node #2: [80, 64, 880] from Operation: 10*88=880 Current State: 15:[80, 64, 880], Operations: ['10*88=880'] Exploring Operation: 80+880=960, Resulting Numbers: [64, 960] Generated Node #3: [64, 960] from Operation: 80+880=960 Current State: 15:[64, 960], Operations: ['10*88=880', '80+880=960'] Exploring Operation: 960/64=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[10, 80, 64, 88], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [10, 88, 16] Generated Node #0,0: 15:[10, 88, 16] Operation: 80-64=16 Exploring Operation: 80-10=70, Resulting Numbers: [64, 88, 70] Generated Node #0,1: 15:[64, 88, 70] Operation: 80-10=70 Exploring Operation: 80/10=8, Resulting Numbers: [64, 88, 8] Generated Node #0,2: 15:[64, 88, 8] Operation: 80/10=8 Exploring Operation: 88-80=8, Resulting Numbers: [10, 64, 8] Generated Node #0,3: 15:[10, 64, 8] Operation: 88-80=8 Exploring Operation: 88-64=24, Resulting Numbers: [10, 80, 24] Generated Node #0,4: 15:[10, 80, 24] Operation: 88-64=24 Moving to Node #0,3 Current State: 15:[10, 64, 8], Operations: ['88-80=8'] Exploring Operation: 64-10=54, Resulting Numbers: [8, 54] Generated Node #0,3,0: 15:[8, 54] Operation: 64-10=54 Exploring Operation: 10-8=2, Resulting Numbers: [64, 2] Generated Node #0,3,1: 15:[64, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [64, 18] Generated Node #0,3,2: 15:[64, 18] Operation: 10+8=18 Exploring Operation: 64/8=8, Resulting Numbers: [10, 8] Generated Node #0,3,3: 15:[10, 8] Operation: 64/8=8 Exploring Operation: 64-8=56, Resulting Numbers: [10, 56] Generated Node #0,3,4: 15:[10, 56] Operation: 64-8=56 Moving to Node #0,4 Current State: 15:[10, 80, 24], Operations: ['88-64=24'] Exploring Operation: 24-10=14, Resulting Numbers: [80, 14] Generated Node #0,4,0: 15:[80, 14] Operation: 24-10=14 Exploring Operation: 10+80=90, Resulting Numbers: [24, 90] Generated Node #0,4,1: 15:[24, 90] Operation: 10+80=90 Exploring Operation: 80-24=56, Resulting Numbers: [10, 56] Generated Node #0,4,2: 15:[10, 56] Operation: 80-24=56 Exploring Operation: 80-10=70, Resulting Numbers: [24, 70] Generated Node #0,4,3: 15:[24, 70] Operation: 80-10=70 Exploring Operation: 80/10=8, Resulting Numbers: [24, 8] Generated Node #0,4,4: 15:[24, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 15:[24, 8], Operations: ['88-64=24', '80/10=8'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 15:[10, 56], Operations: ['88-64=24', '80-24=56'] Exploring Operation: 10*56=560, Resulting Numbers: [560] 560,15 unequal: No Solution Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 15:[24, 70], Operations: ['88-64=24', '80-10=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,15 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 15:[80, 14], Operations: ['88-64=24', '24-10=14'] Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,15 unequal: No Solution Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 15:[24, 90], Operations: ['88-64=24', '10+80=90'] Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 24*90=2160, Resulting Numbers: [2160] 2160,15 unequal: No Solution Exploring Operation: 24+90=114, Resulting Numbers: [114] 114,15 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: 15:[10, 88, 16], Operations: ['80-64=16'] Exploring Operation: 88-16=72, Resulting Numbers: [10, 72] Generated Node #0,0,0: 15:[10, 72] Operation: 88-16=72 Exploring Operation: 16-10=6, Resulting Numbers: [88, 6] Generated Node #0,0,1: 15:[88, 6] Operation: 16-10=6 Exploring Operation: 10+16=26, Resulting Numbers: [88, 26] Generated Node #0,0,2: 15:[88, 26] Operation: 10+16=26 Exploring Operation: 10+88=98, Resulting Numbers: [16, 98] Generated Node #0,0,3: 15:[16, 98] Operation: 10+88=98 Exploring Operation: 88-10=78, Resulting Numbers: [16, 78] Generated Node #0,0,4: 15:[16, 78] Operation: 88-10=78 Moving to Node #0,2 Current State: 15:[64, 88, 8], Operations: ['80/10=8'] Exploring Operation: 64/8=8, Resulting Numbers: [88, 8] Generated Node #0,2,0: 15:[88, 8] Operation: 64/8=8 Exploring Operation: 64-8=56, Resulting Numbers: [88, 56] Generated Node #0,2,1: 15:[88, 56] Operation: 64-8=56 Exploring Operation: 88-64=24, Resulting Numbers: [8, 24] Generated Node #0,2,2: 15:[8, 24] Operation: 88-64=24 Exploring Operation: 88-8=80, Resulting Numbers: [64, 80] Generated Node #0,2,3: 15:[64, 80] Operation: 88-8=80 Exploring Operation: 88/8=11, Resulting Numbers: [64, 11] Generated Node #0,2,4: 15:[64, 11] Operation: 88/8=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[8, 24], Operations: ['80/10=8', '88-64=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,15 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 #0,2,4 Current State: 15:[64, 11], Operations: ['80/10=8', '88/8=11'] Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,15 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,15 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,15 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 #0,2,0 Current State: 15:[88, 8], Operations: ['80/10=8', '64/8=8'] Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,15 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 88*8=704, Resulting Numbers: [704] 704,15 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 #0,2,1 Current State: 15:[88, 56], Operations: ['80/10=8', '64-8=56'] Exploring Operation: 88*56=4928, Resulting Numbers: [4928] 4928,15 unequal: No Solution Exploring Operation: 88-56=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 88+56=144, Resulting Numbers: [144] 144,15 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 #0,2,3 Current State: 15:[64, 80], Operations: ['80/10=8', '88-8=80'] Exploring Operation: 64*80=5120, Resulting Numbers: [5120] 5120,15 unequal: No Solution Exploring Operation: 64+80=144, Resulting Numbers: [144] 144,15 unequal: No Solution Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[64, 88, 70], Operations: ['80-10=70'] Exploring Operation: 64+88=152, Resulting Numbers: [70, 152] Generated Node #0,1,0: 15:[70, 152] Operation: 64+88=152 Exploring Operation: 88-64=24, Resulting Numbers: [70, 24] Generated Node #0,1,1: 15:[70, 24] Operation: 88-64=24 Exploring Operation: 88-70=18, Resulting Numbers: [64, 18] Generated Node #0,1,2: 15:[64, 18] Operation: 88-70=18 Exploring Operation: 64+70=134, Resulting Numbers: [88, 134] Generated Node #0,1,3: 15:[88, 134] Operation: 64+70=134 Exploring Operation: 70-64=6, Resulting Numbers: [88, 6] Generated Node #0,1,4: 15:[88, 6] Operation: 70-64=6 Moving to Node #0,3,3 Current State: 15:[10, 8], Operations: ['88-80=8', '64/8=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[8, 54], Operations: ['88-80=8', '64-10=54'] Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,15 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,15 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,15 unequal: No Solution Moving to Node #0,3,4 Current State: 15:[10, 56], Operations: ['88-80=8', '64-8=56'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,15 unequal: No Solution Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 10*56=560, Resulting Numbers: [560] 560,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[64, 2], Operations: ['88-80=8', '10-8=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,15 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,15 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[64, 18], Operations: ['88-80=8', '10+8=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,15 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,15 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[64, 18], Operations: ['80-10=70', '88-70=18'] Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,15 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[10, 72], Operations: ['80-64=16', '88-16=72'] Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,15 unequal: No Solution Exploring Operation: 10*72=720, Resulting Numbers: [720] 720,15 unequal: No Solution Moving to Node #0,0,4 Current State: 15:[16, 78], Operations: ['80-64=16', '88-10=78'] Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,15 unequal: No Solution Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[70, 24], Operations: ['80-10=70', '88-64=24'] Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,15 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,15 unequal: No Solution Moving to Node #0,1,4 Current State: 15:[88, 6], Operations: ['80-10=70', '70-64=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,15 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[88, 6], Operations: ['80-64=16', '16-10=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[88, 26], Operations: ['80-64=16', '10+16=26'] Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,15 unequal: No Solution Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,15 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[16, 98], Operations: ['80-64=16', '10+88=98'] Exploring Operation: 16+98=114, Resulting Numbers: [114] 114,15 unequal: No Solution Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 16*98=1568, Resulting Numbers: [1568] 1568,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[70, 152], Operations: ['80-10=70', '64+88=152'] Exploring Operation: 70+152=222, Resulting Numbers: [222] 222,15 unequal: No Solution Exploring Operation: 70*152=10640, Resulting Numbers: [10640] 10640,15 unequal: No Solution Exploring Operation: 152-70=82, Resulting Numbers: [82] 82,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[88, 134], Operations: ['80-10=70', '64+70=134'] Exploring Operation: 88+134=222, Resulting Numbers: [222] 222,15 unequal: No Solution Exploring Operation: 134-88=46, Resulting Numbers: [46] 46,15 unequal: No Solution Exploring Operation: 88*134=11792, Resulting Numbers: [11792] 11792,15 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 69, 53, 3, 6 ]
14
[ "69-53=16", "6/3=2", "16-2=14" ]
Current State: 14:[69, 53, 3, 6], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [3, 6, 16] Generated Node #2: [3, 6, 16] from Operation: 69-53=16 Current State: 14:[3, 6, 16], Operations: ['69-53=16'] Exploring Operation: 6/3=2, Resulting Numbers: [16, 2] Generated Node #3: [16, 2] from Operation: 6/3=2 Current State: 14:[16, 2], Operations: ['69-53=16', '6/3=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[69, 53, 3, 6], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [3, 6, 16] Generated Node #0,0: 14:[3, 6, 16] Operation: 69-53=16 Exploring Operation: 69-6=63, Resulting Numbers: [53, 3, 63] Generated Node #0,1: 14:[53, 3, 63] Operation: 69-6=63 Exploring Operation: 69/3=23, Resulting Numbers: [53, 6, 23] Generated Node #0,2: 14:[53, 6, 23] Operation: 69/3=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[3, 6, 16], Operations: ['69-53=16'] Exploring Operation: 6-3=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 14:[16, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [16, 2] Generated Node #0,0,1: 14:[16, 2] Operation: 6/3=2 Exploring Operation: 16-3=13, Resulting Numbers: [6, 13] Generated Node #0,0,2: 14:[6, 13] Operation: 16-3=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[16, 2], Operations: ['69-53=16', '6/3=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[69, 53, 3, 6], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [3, 6, 16] Generated Node #0,0: 14:[3, 6, 16] Operation: 69-53=16 Moving to Node #0,0 Current State: 14:[3, 6, 16], Operations: ['69-53=16'] Exploring Operation: 6/3=2, Resulting Numbers: [16, 2] Generated Node #0,0,1: 14:[16, 2] Operation: 6/3=2 Moving to Node #0,0,1 Current State: 14:[16, 2], Operations: ['69-53=16', '6/3=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 63, 22, 33, 62 ]
30
[ "33*62=2046", "2046/22=93", "93-63=30" ]
Current State: 30:[63, 22, 33, 62], Operations: [] Exploring Operation: 33*62=2046, Resulting Numbers: [63, 22, 2046] Generated Node #2: [63, 22, 2046] from Operation: 33*62=2046 Current State: 30:[63, 22, 2046], Operations: ['33*62=2046'] Exploring Operation: 2046/22=93, Resulting Numbers: [63, 93] Generated Node #3: [63, 93] from Operation: 2046/22=93 Current State: 30:[63, 93], Operations: ['33*62=2046', '2046/22=93'] Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[63, 22, 33, 62], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [22, 33, 1] Generated Node #0,0: 30:[22, 33, 1] Operation: 63-62=1 Exploring Operation: 63-22=41, Resulting Numbers: [33, 62, 41] Generated Node #0,1: 30:[33, 62, 41] Operation: 63-22=41 Exploring Operation: 62-33=29, Resulting Numbers: [63, 22, 29] Generated Node #0,2: 30:[63, 22, 29] Operation: 62-33=29 Exploring Operation: 63-33=30, Resulting Numbers: [22, 62, 30] Generated Node #0,3: 30:[22, 62, 30] Operation: 63-33=30 Exploring Operation: 62-22=40, Resulting Numbers: [63, 33, 40] Generated Node #0,4: 30:[63, 33, 40] Operation: 62-22=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[22, 33, 1], Operations: ['63-62=1'] Exploring Operation: 22-1=21, Resulting Numbers: [33, 21] Generated Node #0,0,0: 30:[33, 21] Operation: 22-1=21 Exploring Operation: 33-1=32, Resulting Numbers: [22, 32] Generated Node #0,0,1: 30:[22, 32] Operation: 33-1=32 Exploring Operation: 22*1=22, Resulting Numbers: [33, 22] Generated Node #0,0,2: 30:[33, 22] Operation: 22*1=22 Exploring Operation: 33-22=11, Resulting Numbers: [1, 11] Generated Node #0,0,3: 30:[1, 11] Operation: 33-22=11 Exploring Operation: 22+1=23, Resulting Numbers: [33, 23] Generated Node #0,0,4: 30:[33, 23] Operation: 22+1=23 Moving to Node #0,0,3 Current State: 30:[1, 11], Operations: ['63-62=1', '33-22=11'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[22, 32], Operations: ['63-62=1', '33-1=32'] Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,30 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[33, 21], Operations: ['63-62=1', '22-1=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,30 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,30 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[33, 22], Operations: ['63-62=1', '22*1=22'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,30 unequal: No Solution Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,30 unequal: No Solution Moving to Node #0,0,4 Current State: 30:[33, 23], Operations: ['63-62=1', '22+1=23'] Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,30 unequal: No Solution Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,30 unequal: No Solution No 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: 30:[22, 62, 30], Operations: ['63-33=30'] Exploring Operation: 30-22=8, Resulting Numbers: [62, 8] Generated Node #0,3,0: 30:[62, 8] Operation: 30-22=8 Exploring Operation: 62-22=40, Resulting Numbers: [30, 40] Generated Node #0,3,1: 30:[30, 40] Operation: 62-22=40 Exploring Operation: 62-30=32, Resulting Numbers: [22, 32] Generated Node #0,3,2: 30:[22, 32] Operation: 62-30=32 Exploring Operation: 22+62=84, Resulting Numbers: [30, 84] Generated Node #0,3,3: 30:[30, 84] Operation: 22+62=84 Exploring Operation: 22+30=52, Resulting Numbers: [62, 52] Generated Node #0,3,4: 30:[62, 52] Operation: 22+30=52 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 30:[22, 32], Operations: ['63-33=30', '62-30=32'] Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,30 unequal: No Solution Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[30, 40], Operations: ['63-33=30', '62-22=40'] Exploring Operation: 30+40=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,30 unequal: No Solution No 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: 30:[62, 8], Operations: ['63-33=30', '30-22=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,30 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[30, 84], Operations: ['63-33=30', '22+62=84'] Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,30 unequal: No Solution Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,30 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[62, 52], Operations: ['63-33=30', '22+30=52'] Exploring Operation: 62+52=114, Resulting Numbers: [114] 114,30 unequal: No Solution Exploring Operation: 62*52=3224, Resulting Numbers: [3224] 3224,30 unequal: No Solution Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,30 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: 30:[63, 22, 29], Operations: ['62-33=29'] Exploring Operation: 22+29=51, Resulting Numbers: [63, 51] Generated Node #0,2,0: 30:[63, 51] Operation: 22+29=51 Exploring Operation: 63-29=34, Resulting Numbers: [22, 34] Generated Node #0,2,1: 30:[22, 34] Operation: 63-29=34 Exploring Operation: 63-22=41, Resulting Numbers: [29, 41] Generated Node #0,2,2: 30:[29, 41] Operation: 63-22=41 Exploring Operation: 63+22=85, Resulting Numbers: [29, 85] Generated Node #0,2,3: 30:[29, 85] Operation: 63+22=85 Exploring Operation: 29-22=7, Resulting Numbers: [63, 7] Generated Node #0,2,4: 30:[63, 7] Operation: 29-22=7 Moving to Node #0,2,1 Current State: 30:[22, 34], Operations: ['62-33=29', '63-29=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[29, 41], Operations: ['62-33=29', '63-22=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,30 unequal: No Solution Moving to Node #0,2,4 Current State: 30:[63, 7], Operations: ['62-33=29', '29-22=7'] Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,30 unequal: No Solution Exploring Operation: 63/7=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 63+7=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[63, 51], Operations: ['62-33=29', '22+29=51'] Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,30 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,30 unequal: No Solution Moving to Node #0,2,3 Current State: 30:[29, 85], Operations: ['62-33=29', '63+22=85'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 29+85=114, Resulting Numbers: [114] 114,30 unequal: No Solution Exploring Operation: 29*85=2465, Resulting Numbers: [2465] 2465,30 unequal: No Solution No 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: 30:[33, 62, 41], Operations: ['63-22=41'] Exploring Operation: 62-41=21, Resulting Numbers: [33, 21] Generated Node #0,1,0: 30:[33, 21] Operation: 62-41=21 Exploring Operation: 41-33=8, Resulting Numbers: [62, 8] Generated Node #0,1,1: 30:[62, 8] Operation: 41-33=8 Exploring Operation: 33+62=95, Resulting Numbers: [41, 95] Generated Node #0,1,2: 30:[41, 95] Operation: 33+62=95 Exploring Operation: 33+41=74, Resulting Numbers: [62, 74] Generated Node #0,1,3: 30:[62, 74] Operation: 33+41=74 Exploring Operation: 62-33=29, Resulting Numbers: [41, 29] Generated Node #0,1,4: 30:[41, 29] Operation: 62-33=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[33, 21], Operations: ['63-22=41', '62-41=21'] Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,30 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[41, 29], Operations: ['63-22=41', '62-33=29'] Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,30 unequal: No Solution No 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: 30:[62, 8], Operations: ['63-22=41', '41-33=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,30 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[41, 95], Operations: ['63-22=41', '33+62=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,30 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,30 unequal: No Solution No 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: 30:[62, 74], Operations: ['63-22=41', '33+41=74'] Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,30 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,30 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: 30:[63, 33, 40], Operations: ['62-22=40'] Exploring Operation: 63-40=23, Resulting Numbers: [33, 23] Generated Node #0,4,0: 30:[33, 23] Operation: 63-40=23 Exploring Operation: 63+33=96, Resulting Numbers: [40, 96] Generated Node #0,4,1: 30:[40, 96] Operation: 63+33=96 Exploring Operation: 63-33=30, Resulting Numbers: [40, 30] Generated Node #0,4,2: 30:[40, 30] Operation: 63-33=30 Exploring Operation: 63+40=103, Resulting Numbers: [33, 103] Generated Node #0,4,3: 30:[33, 103] Operation: 63+40=103 Exploring Operation: 40-33=7, Resulting Numbers: [63, 7] Generated Node #0,4,4: 30:[63, 7] Operation: 40-33=7 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 30:[33, 23], Operations: ['62-22=40', '63-40=23'] Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,30 unequal: No Solution No 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: 30:[40, 30], Operations: ['62-22=40', '63-33=30'] Exploring Operation: 40+30=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 40*30=1200, Resulting Numbers: [1200] 1200,30 unequal: No Solution No 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: 30:[63, 7], Operations: ['62-22=40', '40-33=7'] Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,30 unequal: No Solution Exploring Operation: 63/7=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 63+7=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,30 unequal: No Solution No 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: 30:[40, 96], Operations: ['62-22=40', '63+33=96'] Exploring Operation: 40+96=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 40*96=3840, Resulting Numbers: [3840] 3840,30 unequal: No Solution No 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: 30:[33, 103], Operations: ['62-22=40', '63+40=103'] Exploring Operation: 33*103=3399, Resulting Numbers: [3399] 3399,30 unequal: No Solution Exploring Operation: 33+103=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 103-33=70, Resulting Numbers: [70] 70,30 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
[ 34, 29, 9, 67 ]
60
[ "34+29=63", "63/9=7", "67-7=60" ]
Current State: 60:[34, 29, 9, 67], Operations: [] Exploring Operation: 34+29=63, Resulting Numbers: [9, 67, 63] Generated Node #2: [9, 67, 63] from Operation: 34+29=63 Current State: 60:[9, 67, 63], Operations: ['34+29=63'] Exploring Operation: 63/9=7, Resulting Numbers: [67, 7] Generated Node #3: [67, 7] from Operation: 63/9=7 Current State: 60:[67, 7], Operations: ['34+29=63', '63/9=7'] Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[34, 29, 9, 67], Operations: [] Exploring Operation: 67-34=33, Resulting Numbers: [29, 9, 33] Generated Node #0,0: 60:[29, 9, 33] Operation: 67-34=33 Moving to Node #0,0 Current State: 60:[29, 9, 33], Operations: ['67-34=33'] Exploring Operation: 33-29=4, Resulting Numbers: [9, 4] Generated Node #0,0,0: 60:[9, 4] Operation: 33-29=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[9, 4], Operations: ['67-34=33', '33-29=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,60 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
[ 42, 46, 29, 2 ]
76
[ "46-29=17", "2*17=34", "42+34=76" ]
Current State: 76:[42, 46, 29, 2], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [42, 2, 17] Generated Node #2: [42, 2, 17] from Operation: 46-29=17 Current State: 76:[42, 2, 17], Operations: ['46-29=17'] Exploring Operation: 2*17=34, Resulting Numbers: [42, 34] Generated Node #3: [42, 34] from Operation: 2*17=34 Current State: 76:[42, 34], Operations: ['46-29=17', '2*17=34'] Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[42, 46, 29, 2], Operations: [] Exploring Operation: 46+29=75, Resulting Numbers: [42, 2, 75] Generated Node #0,0: 76:[42, 2, 75] Operation: 46+29=75 Exploring Operation: 46-29=17, Resulting Numbers: [42, 2, 17] Generated Node #0,1: 76:[42, 2, 17] Operation: 46-29=17 Exploring Operation: 46-42=4, Resulting Numbers: [29, 2, 4] Generated Node #0,2: 76:[29, 2, 4] Operation: 46-42=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[42, 2, 75], Operations: ['46+29=75'] Exploring Operation: 42/2=21, Resulting Numbers: [75, 21] Generated Node #0,0,0: 76:[75, 21] Operation: 42/2=21 Exploring Operation: 75-42=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 76:[2, 33] Operation: 75-42=33 Exploring Operation: 42-2=40, Resulting Numbers: [75, 40] Generated Node #0,0,2: 76:[75, 40] Operation: 42-2=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[75, 21], Operations: ['46+29=75', '42/2=21'] Exploring Operation: 75*21=1575, Resulting Numbers: [1575] 1575,76 unequal: No Solution Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,76 unequal: No Solution Exploring Operation: 75+21=96, Resulting Numbers: [96] 96,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[75, 40], Operations: ['46+29=75', '42-2=40'] Exploring Operation: 75+40=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 75*40=3000, Resulting Numbers: [3000] 3000,76 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[2, 33], Operations: ['46+29=75', '75-42=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[42, 2, 17], Operations: ['46-29=17'] Exploring Operation: 42/2=21, Resulting Numbers: [17, 21] Generated Node #0,1,0: 76:[17, 21] Operation: 42/2=21 Exploring Operation: 2+17=19, Resulting Numbers: [42, 19] Generated Node #0,1,1: 76:[42, 19] Operation: 2+17=19 Exploring Operation: 42-2=40, Resulting Numbers: [17, 40] Generated Node #0,1,2: 76:[17, 40] Operation: 42-2=40 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[17, 21], Operations: ['46-29=17', '42/2=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,76 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[42, 19], Operations: ['46-29=17', '2+17=19'] Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,76 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[17, 40], Operations: ['46-29=17', '42-2=40'] Exploring Operation: 17*40=680, Resulting Numbers: [680] 680,76 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[29, 2, 4], Operations: ['46-42=4'] Exploring Operation: 29+2=31, Resulting Numbers: [4, 31] Generated Node #0,2,0: 76:[4, 31] Operation: 29+2=31 Exploring Operation: 29-4=25, Resulting Numbers: [2, 25] Generated Node #0,2,1: 76:[2, 25] Operation: 29-4=25 Exploring Operation: 29+4=33, Resulting Numbers: [2, 33] Generated Node #0,2,2: 76:[2, 33] Operation: 29+4=33 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[2, 33], Operations: ['46-42=4', '29+4=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[2, 25], Operations: ['46-42=4', '29-4=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,76 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[4, 31], Operations: ['46-42=4', '29+2=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 15, 37, 70, 4 ]
44
[ "37-15=22", "70-4=66", "66-22=44" ]
Current State: 44:[15, 37, 70, 4], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [70, 4, 22] Generated Node #2: [70, 4, 22] from Operation: 37-15=22 Current State: 44:[70, 4, 22], Operations: ['37-15=22'] Exploring Operation: 70-4=66, Resulting Numbers: [22, 66] Generated Node #3: [22, 66] from Operation: 70-4=66 Current State: 44:[22, 66], Operations: ['37-15=22', '70-4=66'] Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[15, 37, 70, 4], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [70, 4, 22] Generated Node #0,0: 44:[70, 4, 22] Operation: 37-15=22 Exploring Operation: 15-4=11, Resulting Numbers: [37, 70, 11] Generated Node #0,1: 44:[37, 70, 11] Operation: 15-4=11 Exploring Operation: 37+4=41, Resulting Numbers: [15, 70, 41] Generated Node #0,2: 44:[15, 70, 41] Operation: 37+4=41 Exploring Operation: 70-37=33, Resulting Numbers: [15, 4, 33] Generated Node #0,3: 44:[15, 4, 33] Operation: 70-37=33 Exploring Operation: 70-15=55, Resulting Numbers: [37, 4, 55] Generated Node #0,4: 44:[37, 4, 55] Operation: 70-15=55 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[15, 4, 33], Operations: ['70-37=33'] Exploring Operation: 33-15=18, Resulting Numbers: [4, 18] Generated Node #0,3,0: 44:[4, 18] Operation: 33-15=18 Exploring Operation: 15+33=48, Resulting Numbers: [4, 48] Generated Node #0,3,1: 44:[4, 48] Operation: 15+33=48 Exploring Operation: 4+33=37, Resulting Numbers: [15, 37] Generated Node #0,3,2: 44:[15, 37] Operation: 4+33=37 Exploring Operation: 15-4=11, Resulting Numbers: [33, 11] Generated Node #0,3,3: 44:[33, 11] Operation: 15-4=11 Exploring Operation: 33-4=29, Resulting Numbers: [15, 29] Generated Node #0,3,4: 44:[15, 29] Operation: 33-4=29 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[4, 18], Operations: ['70-37=33', '33-15=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,44 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,44 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 #0,3,1 Current State: 44:[4, 48], Operations: ['70-37=33', '15+33=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[15, 37, 70, 4], Operations: [] Exploring Operation: 70-37=33, Resulting Numbers: [15, 4, 33] Generated Node #0,3: 44:[15, 4, 33] Operation: 70-37=33 Moving to Node #0,3 Current State: 44:[15, 4, 33], Operations: ['70-37=33'] Exploring Operation: 15+33=48, Resulting Numbers: [4, 48] Generated Node #0,3,1: 44:[4, 48] Operation: 15+33=48 Moving to Node #0,3,1 Current State: 44:[4, 48], Operations: ['70-37=33', '15+33=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 55, 68, 63, 3 ]
66
[ "55+68=123", "63*3=189", "189-123=66" ]
Current State: 66:[55, 68, 63, 3], Operations: [] Exploring Operation: 55+68=123, Resulting Numbers: [63, 3, 123] Generated Node #2: [63, 3, 123] from Operation: 55+68=123 Current State: 66:[63, 3, 123], Operations: ['55+68=123'] Exploring Operation: 63*3=189, Resulting Numbers: [123, 189] Generated Node #3: [123, 189] from Operation: 63*3=189 Current State: 66:[123, 189], Operations: ['55+68=123', '63*3=189'] Exploring Operation: 189-123=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[55, 68, 63, 3], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [68, 3, 8] Generated Node #0,0: 66:[68, 3, 8] Operation: 63-55=8 Exploring Operation: 55+3=58, Resulting Numbers: [68, 63, 58] Generated Node #0,1: 66:[68, 63, 58] Operation: 55+3=58 Exploring Operation: 68-63=5, Resulting Numbers: [55, 3, 5] Generated Node #0,2: 66:[55, 3, 5] Operation: 68-63=5 Exploring Operation: 68-55=13, Resulting Numbers: [63, 3, 13] Generated Node #0,3: 66:[63, 3, 13] Operation: 68-55=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[68, 3, 8], Operations: ['63-55=8'] Exploring Operation: 3+8=11, Resulting Numbers: [68, 11] Generated Node #0,0,0: 66:[68, 11] Operation: 3+8=11 Exploring Operation: 68-3=65, Resulting Numbers: [8, 65] Generated Node #0,0,1: 66:[8, 65] Operation: 68-3=65 Exploring Operation: 8-3=5, Resulting Numbers: [68, 5] Generated Node #0,0,2: 66:[68, 5] Operation: 8-3=5 Exploring Operation: 3*8=24, Resulting Numbers: [68, 24] Generated Node #0,0,3: 66:[68, 24] Operation: 3*8=24 Moving to Node #0,0,0 Current State: 66:[68, 11], Operations: ['63-55=8', '3+8=11'] Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 68+11=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 68*11=748, Resulting Numbers: [748] 748,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[68, 5], Operations: ['63-55=8', '8-3=5'] Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,66 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[8, 65], Operations: ['63-55=8', '68-3=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 8*65=520, Resulting Numbers: [520] 520,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[68, 24], Operations: ['63-55=8', '3*8=24'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,66 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,66 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 66:[63, 3, 13], Operations: ['68-55=13'] Exploring Operation: 63/3=21, Resulting Numbers: [13, 21] Generated Node #0,3,0: 66:[13, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [13, 60] Generated Node #0,3,1: 66:[13, 60] Operation: 63-3=60 Exploring Operation: 13-3=10, Resulting Numbers: [63, 10] Generated Node #0,3,2: 66:[63, 10] Operation: 13-3=10 Exploring Operation: 63+3=66, Resulting Numbers: [13, 66] Generated Node #0,3,3: 66:[13, 66] Operation: 63+3=66 Moving to Node #0,3,3 Current State: 66:[13, 66], Operations: ['68-55=13', '63+3=66'] Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[13, 21], Operations: ['68-55=13', '63/3=21'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[63, 10], Operations: ['68-55=13', '13-3=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[13, 60], Operations: ['68-55=13', '63-3=60'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 13*60=780, Resulting Numbers: [780] 780,66 unequal: No Solution Exploring Operation: 13+60=73, Resulting Numbers: [73] 73,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[55, 3, 5], Operations: ['68-63=5'] Exploring Operation: 55+5=60, Resulting Numbers: [3, 60] Generated Node #0,2,0: 66:[3, 60] Operation: 55+5=60 Exploring Operation: 5-3=2, Resulting Numbers: [55, 2] Generated Node #0,2,1: 66:[55, 2] Operation: 5-3=2 Exploring Operation: 55+3=58, Resulting Numbers: [5, 58] Generated Node #0,2,2: 66:[5, 58] Operation: 55+3=58 Exploring Operation: 55/5=11, Resulting Numbers: [3, 11] Generated Node #0,2,3: 66:[3, 11] Operation: 55/5=11 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 66:[3, 11], Operations: ['68-63=5', '55/5=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[3, 60], Operations: ['68-63=5', '55+5=60'] Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,66 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[5, 58], Operations: ['68-63=5', '55+3=58'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[55, 2], Operations: ['68-63=5', '5-3=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[68, 63, 58], Operations: ['55+3=58'] Exploring Operation: 68-63=5, Resulting Numbers: [58, 5] Generated Node #0,1,0: 66:[58, 5] Operation: 68-63=5 Exploring Operation: 63-58=5, Resulting Numbers: [68, 5] Generated Node #0,1,1: 66:[68, 5] Operation: 63-58=5 Exploring Operation: 63+58=121, Resulting Numbers: [68, 121] Generated Node #0,1,2: 66:[68, 121] Operation: 63+58=121 Exploring Operation: 68-58=10, Resulting Numbers: [63, 10] Generated Node #0,1,3: 66:[63, 10] Operation: 68-58=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[68, 5], Operations: ['55+3=58', '63-58=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,66 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 66:[63, 10], Operations: ['55+3=58', '68-58=10'] Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[58, 5], Operations: ['55+3=58', '68-63=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,66 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[68, 121], Operations: ['55+3=58', '63+58=121'] Exploring Operation: 121-68=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 68+121=189, Resulting Numbers: [189] 189,66 unequal: No Solution Exploring Operation: 68*121=8228, Resulting Numbers: [8228] 8228,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 5, 40, 14, 77 ]
46
[ "5+40=45", "14+77=91", "91-45=46" ]
Current State: 46:[5, 40, 14, 77], Operations: [] Exploring Operation: 5+40=45, Resulting Numbers: [14, 77, 45] Generated Node #2: [14, 77, 45] from Operation: 5+40=45 Current State: 46:[14, 77, 45], Operations: ['5+40=45'] Exploring Operation: 14+77=91, Resulting Numbers: [45, 91] Generated Node #3: [45, 91] from Operation: 14+77=91 Current State: 46:[45, 91], Operations: ['5+40=45', '14+77=91'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[5, 40, 14, 77], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [5, 77, 26] Generated Node #0,0: 46:[5, 77, 26] Operation: 40-14=26 Exploring Operation: 77-40=37, Resulting Numbers: [5, 14, 37] Generated Node #0,1: 46:[5, 14, 37] Operation: 77-40=37 Exploring Operation: 5+40=45, Resulting Numbers: [14, 77, 45] Generated Node #0,2: 46:[14, 77, 45] Operation: 5+40=45 Exploring Operation: 77-14=63, Resulting Numbers: [5, 40, 63] Generated Node #0,3: 46:[5, 40, 63] Operation: 77-14=63 Moving to Node #0,1 Current State: 46:[5, 14, 37], Operations: ['77-40=37'] Exploring Operation: 5+14=19, Resulting Numbers: [37, 19] Generated Node #0,1,0: 46:[37, 19] Operation: 5+14=19 Exploring Operation: 14+37=51, Resulting Numbers: [5, 51] Generated Node #0,1,1: 46:[5, 51] Operation: 14+37=51 Exploring Operation: 37-14=23, Resulting Numbers: [5, 23] Generated Node #0,1,2: 46:[5, 23] Operation: 37-14=23 Exploring Operation: 5+37=42, Resulting Numbers: [14, 42] Generated Node #0,1,3: 46:[14, 42] Operation: 5+37=42 Moving to Node #0,3 Current State: 46:[5, 40, 63], Operations: ['77-14=63'] Exploring Operation: 63-40=23, Resulting Numbers: [5, 23] Generated Node #0,3,0: 46:[5, 23] Operation: 63-40=23 Exploring Operation: 5+40=45, Resulting Numbers: [63, 45] Generated Node #0,3,1: 46:[63, 45] Operation: 5+40=45 Exploring Operation: 40/5=8, Resulting Numbers: [63, 8] Generated Node #0,3,2: 46:[63, 8] Operation: 40/5=8 Exploring Operation: 63-5=58, Resulting Numbers: [40, 58] Generated Node #0,3,3: 46:[40, 58] Operation: 63-5=58 Moving to Node #0,0 Current State: 46:[5, 77, 26], Operations: ['40-14=26'] Exploring Operation: 77-26=51, Resulting Numbers: [5, 51] Generated Node #0,0,0: 46:[5, 51] Operation: 77-26=51 Exploring Operation: 26-5=21, Resulting Numbers: [77, 21] Generated Node #0,0,1: 46:[77, 21] Operation: 26-5=21 Exploring Operation: 77-5=72, Resulting Numbers: [26, 72] Generated Node #0,0,2: 46:[26, 72] Operation: 77-5=72 Exploring Operation: 5+77=82, Resulting Numbers: [26, 82] Generated Node #0,0,3: 46:[26, 82] Operation: 5+77=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[5, 51], Operations: ['40-14=26', '77-26=51'] Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,46 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[5, 40, 14, 77], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [5, 77, 26] Generated Node #0,0: 46:[5, 77, 26] Operation: 40-14=26 Moving to Node #0,0 Current State: 46:[5, 77, 26], Operations: ['40-14=26'] Exploring Operation: 77-26=51, Resulting Numbers: [5, 51] Generated Node #0,0,0: 46:[5, 51] Operation: 77-26=51 Moving to Node #0,0,0 Current State: 46:[5, 51], Operations: ['40-14=26', '77-26=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 56, 66, 28, 16 ]
41
[ "56/28=2", "66+16=82", "82/2=41" ]
Current State: 41:[56, 66, 28, 16], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [66, 16, 2] Generated Node #2: [66, 16, 2] from Operation: 56/28=2 Current State: 41:[66, 16, 2], Operations: ['56/28=2'] Exploring Operation: 66+16=82, Resulting Numbers: [2, 82] Generated Node #3: [2, 82] from Operation: 66+16=82 Current State: 41:[2, 82], Operations: ['56/28=2', '66+16=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[56, 66, 28, 16], Operations: [] Exploring Operation: 56-16=40, Resulting Numbers: [66, 28, 40] Generated Node #0,0: 41:[66, 28, 40] Operation: 56-16=40 Exploring Operation: 66-16=50, Resulting Numbers: [56, 28, 50] Generated Node #0,1: 41:[56, 28, 50] Operation: 66-16=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[56, 28, 50], Operations: ['66-16=50'] Exploring Operation: 56-28=28, Resulting Numbers: [50, 28] Generated Node #0,1,0: 41:[50, 28] Operation: 56-28=28 Exploring Operation: 50-28=22, Resulting Numbers: [56, 22] Generated Node #0,1,1: 41:[56, 22] Operation: 50-28=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[50, 28], Operations: ['66-16=50', '56-28=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,41 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[56, 22], Operations: ['66-16=50', '50-28=22'] Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,41 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[66, 28, 40], Operations: ['56-16=40'] Exploring Operation: 66-40=26, Resulting Numbers: [28, 26] Generated Node #0,0,0: 41:[28, 26] Operation: 66-40=26 Exploring Operation: 66-28=38, Resulting Numbers: [40, 38] Generated Node #0,0,1: 41:[40, 38] Operation: 66-28=38 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[40, 38], Operations: ['56-16=40', '66-28=38'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[28, 26], Operations: ['56-16=40', '66-40=26'] Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 55, 20, 49, 9 ]
35
[ "55+20=75", "49-9=40", "75-40=35" ]
Current State: 35:[55, 20, 49, 9], Operations: [] Exploring Operation: 55+20=75, Resulting Numbers: [49, 9, 75] Generated Node #2: [49, 9, 75] from Operation: 55+20=75 Current State: 35:[49, 9, 75], Operations: ['55+20=75'] Exploring Operation: 49-9=40, Resulting Numbers: [75, 40] Generated Node #3: [75, 40] from Operation: 49-9=40 Current State: 35:[75, 40], Operations: ['55+20=75', '49-9=40'] Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[55, 20, 49, 9], Operations: [] Exploring Operation: 55-20=35, Resulting Numbers: [49, 9, 35] Generated Node #0,0: 35:[49, 9, 35] Operation: 55-20=35 Exploring Operation: 55-49=6, Resulting Numbers: [20, 9, 6] Generated Node #0,1: 35:[20, 9, 6] Operation: 55-49=6 Moving to Node #0,0 Current State: 35:[49, 9, 35], Operations: ['55-20=35'] Exploring Operation: 49-35=14, Resulting Numbers: [9, 14] Generated Node #0,0,0: 35:[9, 14] Operation: 49-35=14 Exploring Operation: 49-9=40, Resulting Numbers: [35, 40] Generated Node #0,0,1: 35:[35, 40] Operation: 49-9=40 Moving to Node #0,1 Current State: 35:[20, 9, 6], Operations: ['55-49=6'] Exploring Operation: 20+9=29, Resulting Numbers: [6, 29] Generated Node #0,1,0: 35:[6, 29] Operation: 20+9=29 Exploring Operation: 20-9=11, Resulting Numbers: [6, 11] Generated Node #0,1,1: 35:[6, 11] Operation: 20-9=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[6, 11], Operations: ['55-49=6', '20-9=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[6, 29], Operations: ['55-49=6', '20+9=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[55, 20, 49, 9], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [20, 9, 6] Generated Node #0,1: 35:[20, 9, 6] Operation: 55-49=6 Moving to Node #0,1 Current State: 35:[20, 9, 6], Operations: ['55-49=6'] Exploring Operation: 20+9=29, Resulting Numbers: [6, 29] Generated Node #0,1,0: 35:[6, 29] Operation: 20+9=29 Moving to Node #0,1,0 Current State: 35:[6, 29], Operations: ['55-49=6', '20+9=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 28, 55, 51, 46 ]
88
[ "28+55=83", "51-46=5", "83+5=88" ]
Current State: 88:[28, 55, 51, 46], Operations: [] Exploring Operation: 28+55=83, Resulting Numbers: [51, 46, 83] Generated Node #2: [51, 46, 83] from Operation: 28+55=83 Current State: 88:[51, 46, 83], Operations: ['28+55=83'] Exploring Operation: 51-46=5, Resulting Numbers: [83, 5] Generated Node #3: [83, 5] from Operation: 51-46=5 Current State: 88:[83, 5], Operations: ['28+55=83', '51-46=5'] Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[28, 55, 51, 46], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [28, 46, 4] Generated Node #0,0: 88:[28, 46, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[28, 46, 4], Operations: ['55-51=4'] Exploring Operation: 28/4=7, Resulting Numbers: [46, 7] Generated Node #0,0,0: 88:[46, 7] Operation: 28/4=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[46, 7], Operations: ['55-51=4', '28/4=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,88 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 No solution found.
0
hs_1
mult_heuristic
[ 72, 23, 64, 6 ]
25
[ "72+23=95", "64+6=70", "95-70=25" ]
Current State: 25:[72, 23, 64, 6], Operations: [] Exploring Operation: 72+23=95, Resulting Numbers: [64, 6, 95] Generated Node #2: [64, 6, 95] from Operation: 72+23=95 Current State: 25:[64, 6, 95], Operations: ['72+23=95'] Exploring Operation: 64+6=70, Resulting Numbers: [95, 70] Generated Node #3: [95, 70] from Operation: 64+6=70 Current State: 25:[95, 70], Operations: ['72+23=95', '64+6=70'] Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[72, 23, 64, 6], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [23, 6, 8] Generated Node #0,0: 25:[23, 6, 8] Operation: 72-64=8 Exploring Operation: 72-23=49, Resulting Numbers: [64, 6, 49] Generated Node #0,1: 25:[64, 6, 49] Operation: 72-23=49 Exploring Operation: 72/6=12, Resulting Numbers: [23, 64, 12] Generated Node #0,2: 25:[23, 64, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[23, 6, 8], Operations: ['72-64=8'] Exploring Operation: 8-6=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 25:[23, 2] Operation: 8-6=2 Exploring Operation: 23+8=31, Resulting Numbers: [6, 31] Generated Node #0,0,1: 25:[6, 31] Operation: 23+8=31 Exploring Operation: 23+6=29, Resulting Numbers: [8, 29] Generated Node #0,0,2: 25:[8, 29] Operation: 23+6=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[23, 2], Operations: ['72-64=8', '8-6=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[72, 23, 64, 6], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [23, 6, 8] Generated Node #0,0: 25:[23, 6, 8] Operation: 72-64=8 Moving to Node #0,0 Current State: 25:[23, 6, 8], Operations: ['72-64=8'] Exploring Operation: 8-6=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 25:[23, 2] Operation: 8-6=2 Moving to Node #0,0,0 Current State: 25:[23, 2], Operations: ['72-64=8', '8-6=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 23, 63, 99, 50 ]
63
[ "23+63=86", "99+50=149", "149-86=63" ]
Current State: 63:[23, 63, 99, 50], Operations: [] Exploring Operation: 23+63=86, Resulting Numbers: [99, 50, 86] Generated Node #2: [99, 50, 86] from Operation: 23+63=86 Current State: 63:[99, 50, 86], Operations: ['23+63=86'] Exploring Operation: 99+50=149, Resulting Numbers: [86, 149] Generated Node #3: [86, 149] from Operation: 99+50=149 Current State: 63:[86, 149], Operations: ['23+63=86', '99+50=149'] Exploring Operation: 149-86=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[23, 63, 99, 50], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [23, 50, 36] Generated Node #0,0: 63:[23, 50, 36] Operation: 99-63=36 Exploring Operation: 50-23=27, Resulting Numbers: [63, 99, 27] Generated Node #0,1: 63:[63, 99, 27] Operation: 50-23=27 Exploring Operation: 99-50=49, Resulting Numbers: [23, 63, 49] Generated Node #0,2: 63:[23, 63, 49] Operation: 99-50=49 Exploring Operation: 63-50=13, Resulting Numbers: [23, 99, 13] Generated Node #0,3: 63:[23, 99, 13] Operation: 63-50=13 Exploring Operation: 99-23=76, Resulting Numbers: [63, 50, 76] Generated Node #0,4: 63:[63, 50, 76] Operation: 99-23=76 Moving to Node #0,2 Current State: 63:[23, 63, 49], Operations: ['99-50=49'] Exploring Operation: 63-49=14, Resulting Numbers: [23, 14] Generated Node #0,2,0: 63:[23, 14] Operation: 63-49=14 Exploring Operation: 49-23=26, Resulting Numbers: [63, 26] Generated Node #0,2,1: 63:[63, 26] Operation: 49-23=26 Exploring Operation: 23+49=72, Resulting Numbers: [63, 72] Generated Node #0,2,2: 63:[63, 72] Operation: 23+49=72 Exploring Operation: 63-23=40, Resulting Numbers: [49, 40] Generated Node #0,2,3: 63:[49, 40] Operation: 63-23=40 Exploring Operation: 23+63=86, Resulting Numbers: [49, 86] Generated Node #0,2,4: 63:[49, 86] Operation: 23+63=86 Moving to Node #0,4 Current State: 63:[63, 50, 76], Operations: ['99-23=76'] Exploring Operation: 76-63=13, Resulting Numbers: [50, 13] Generated Node #0,4,0: 63:[50, 13] Operation: 76-63=13 Exploring Operation: 76-50=26, Resulting Numbers: [63, 26] Generated Node #0,4,1: 63:[63, 26] Operation: 76-50=26 Exploring Operation: 50+76=126, Resulting Numbers: [63, 126] Generated Node #0,4,2: 63:[63, 126] Operation: 50+76=126 Exploring Operation: 63+50=113, Resulting Numbers: [76, 113] Generated Node #0,4,3: 63:[76, 113] Operation: 63+50=113 Exploring Operation: 63-50=13, Resulting Numbers: [76, 13] Generated Node #0,4,4: 63:[76, 13] Operation: 63-50=13 Moving to Node #0,0 Current State: 63:[23, 50, 36], Operations: ['99-63=36'] Exploring Operation: 23+50=73, Resulting Numbers: [36, 73] Generated Node #0,0,0: 63:[36, 73] Operation: 23+50=73 Exploring Operation: 50-23=27, Resulting Numbers: [36, 27] Generated Node #0,0,1: 63:[36, 27] Operation: 50-23=27 Exploring Operation: 50-36=14, Resulting Numbers: [23, 14] Generated Node #0,0,2: 63:[23, 14] Operation: 50-36=14 Exploring Operation: 36-23=13, Resulting Numbers: [50, 13] Generated Node #0,0,3: 63:[50, 13] Operation: 36-23=13 Exploring Operation: 23+36=59, Resulting Numbers: [50, 59] Generated Node #0,0,4: 63:[50, 59] Operation: 23+36=59 Moving to Node #0,1 Current State: 63:[63, 99, 27], Operations: ['50-23=27'] Exploring Operation: 63-27=36, Resulting Numbers: [99, 36] Generated Node #0,1,0: 63:[99, 36] Operation: 63-27=36 Exploring Operation: 63+27=90, Resulting Numbers: [99, 90] Generated Node #0,1,1: 63:[99, 90] Operation: 63+27=90 Exploring Operation: 99-63=36, Resulting Numbers: [27, 36] Generated Node #0,1,2: 63:[27, 36] Operation: 99-63=36 Exploring Operation: 99-27=72, Resulting Numbers: [63, 72] Generated Node #0,1,3: 63:[63, 72] Operation: 99-27=72 Exploring Operation: 99+27=126, Resulting Numbers: [63, 126] Generated Node #0,1,4: 63:[63, 126] Operation: 99+27=126 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[63, 72], Operations: ['50-23=27', '99-27=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,63 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[27, 36], Operations: ['50-23=27', '99-63=36'] Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,63 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[23, 63, 99, 50], Operations: [] Exploring Operation: 50-23=27, Resulting Numbers: [63, 99, 27] Generated Node #0,1: 63:[63, 99, 27] Operation: 50-23=27 Moving to Node #0,1 Current State: 63:[63, 99, 27], Operations: ['50-23=27'] Exploring Operation: 99-63=36, Resulting Numbers: [27, 36] Generated Node #0,1,2: 63:[27, 36] Operation: 99-63=36 Moving to Node #0,1,2 Current State: 63:[27, 36], Operations: ['50-23=27', '99-63=36'] Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_5
sum_heuristic
[ 66, 45, 52, 39 ]
15
[ "66+39=105", "52-45=7", "105/7=15" ]
Current State: 15:[66, 45, 52, 39], Operations: [] Exploring Operation: 66+39=105, Resulting Numbers: [45, 52, 105] Generated Node #2: [45, 52, 105] from Operation: 66+39=105 Current State: 15:[45, 52, 105], Operations: ['66+39=105'] Exploring Operation: 52-45=7, Resulting Numbers: [105, 7] Generated Node #3: [105, 7] from Operation: 52-45=7 Current State: 15:[105, 7], Operations: ['66+39=105', '52-45=7'] Exploring Operation: 105/7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[66, 45, 52, 39], Operations: [] Exploring Operation: 52-45=7, Resulting Numbers: [66, 39, 7] Generated Node #0,0: 15:[66, 39, 7] Operation: 52-45=7 Exploring Operation: 66-45=21, Resulting Numbers: [52, 39, 21] Generated Node #0,1: 15:[52, 39, 21] Operation: 66-45=21 Exploring Operation: 66-52=14, Resulting Numbers: [45, 39, 14] Generated Node #0,2: 15:[45, 39, 14] Operation: 66-52=14 Moving to Node #0,2 Current State: 15:[45, 39, 14], Operations: ['66-52=14'] Exploring Operation: 45-14=31, Resulting Numbers: [39, 31] Generated Node #0,2,0: 15:[39, 31] Operation: 45-14=31 Exploring Operation: 39-14=25, Resulting Numbers: [45, 25] Generated Node #0,2,1: 15:[45, 25] Operation: 39-14=25 Exploring Operation: 45-39=6, Resulting Numbers: [14, 6] Generated Node #0,2,2: 15:[14, 6] Operation: 45-39=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[14, 6], Operations: ['66-52=14', '45-39=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,15 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 #0,2,0 Current State: 15:[39, 31], Operations: ['66-52=14', '45-14=31'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,15 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 #0,2,1 Current State: 15:[45, 25], Operations: ['66-52=14', '39-14=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[52, 39, 21], Operations: ['66-45=21'] Exploring Operation: 52-39=13, Resulting Numbers: [21, 13] Generated Node #0,1,0: 15:[21, 13] Operation: 52-39=13 Exploring Operation: 52-21=31, Resulting Numbers: [39, 31] Generated Node #0,1,1: 15:[39, 31] Operation: 52-21=31 Exploring Operation: 39-21=18, Resulting Numbers: [52, 18] Generated Node #0,1,2: 15:[52, 18] Operation: 39-21=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[21, 13], Operations: ['66-45=21', '52-39=13'] Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[39, 31], Operations: ['66-45=21', '52-21=31'] Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,15 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[52, 18], Operations: ['66-45=21', '39-21=18'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,15 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: 15:[66, 39, 7], Operations: ['52-45=7'] Exploring Operation: 39-7=32, Resulting Numbers: [66, 32] Generated Node #0,0,0: 15:[66, 32] Operation: 39-7=32 Exploring Operation: 66-39=27, Resulting Numbers: [7, 27] Generated Node #0,0,1: 15:[7, 27] Operation: 66-39=27 Exploring Operation: 66-7=59, Resulting Numbers: [39, 59] Generated Node #0,0,2: 15:[39, 59] Operation: 66-7=59 Moving to Node #0,0,1 Current State: 15:[7, 27], Operations: ['52-45=7', '66-39=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[66, 32], Operations: ['52-45=7', '39-7=32'] Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,15 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[39, 59], Operations: ['52-45=7', '66-7=59'] Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,15 unequal: No Solution Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,15 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 58, 44, 83, 29 ]
40
[ "58-44=14", "83-29=54", "54-14=40" ]
Current State: 40:[58, 44, 83, 29], Operations: [] Exploring Operation: 58-44=14, Resulting Numbers: [83, 29, 14] Generated Node #2: [83, 29, 14] from Operation: 58-44=14 Current State: 40:[83, 29, 14], Operations: ['58-44=14'] Exploring Operation: 83-29=54, Resulting Numbers: [14, 54] Generated Node #3: [14, 54] from Operation: 83-29=54 Current State: 40:[14, 54], Operations: ['58-44=14', '83-29=54'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[58, 44, 83, 29], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [44, 29, 25] Generated Node #0,0: 40:[44, 29, 25] Operation: 83-58=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[44, 29, 25], Operations: ['83-58=25'] Exploring Operation: 29-25=4, Resulting Numbers: [44, 4] Generated Node #0,0,0: 40:[44, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[44, 4], Operations: ['83-58=25', '29-25=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[58, 44, 83, 29], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [44, 29, 25] Generated Node #0,0: 40:[44, 29, 25] Operation: 83-58=25 Moving to Node #0,0 Current State: 40:[44, 29, 25], Operations: ['83-58=25'] Exploring Operation: 29-25=4, Resulting Numbers: [44, 4] Generated Node #0,0,0: 40:[44, 4] Operation: 29-25=4 Moving to Node #0,0,0 Current State: 40:[44, 4], Operations: ['83-58=25', '29-25=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 32, 60, 3 ]
42
[ "54-32=22", "60/3=20", "22+20=42" ]
Current State: 42:[54, 32, 60, 3], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [60, 3, 22] Generated Node #2: [60, 3, 22] from Operation: 54-32=22 Current State: 42:[60, 3, 22], Operations: ['54-32=22'] Exploring Operation: 60/3=20, Resulting Numbers: [22, 20] Generated Node #3: [22, 20] from Operation: 60/3=20 Current State: 42:[22, 20], Operations: ['54-32=22', '60/3=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[54, 32, 60, 3], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [60, 3, 22] Generated Node #0,0: 42:[60, 3, 22] Operation: 54-32=22 Exploring Operation: 60-54=6, Resulting Numbers: [32, 3, 6] Generated Node #0,1: 42:[32, 3, 6] Operation: 60-54=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[32, 3, 6], Operations: ['60-54=6'] Exploring Operation: 32+6=38, Resulting Numbers: [3, 38] Generated Node #0,1,0: 42:[3, 38] Operation: 32+6=38 Exploring Operation: 32-6=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 42:[3, 26] Operation: 32-6=26 Moving to Node #0,1,0 Current State: 42:[3, 38], Operations: ['60-54=6', '32+6=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[3, 26], Operations: ['60-54=6', '32-6=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,42 unequal: No Solution No 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: 42:[60, 3, 22], Operations: ['54-32=22'] Exploring Operation: 60-22=38, Resulting Numbers: [3, 38] Generated Node #0,0,0: 42:[3, 38] Operation: 60-22=38 Exploring Operation: 60/3=20, Resulting Numbers: [22, 20] Generated Node #0,0,1: 42:[22, 20] Operation: 60/3=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[22, 20], Operations: ['54-32=22', '60/3=20'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[54, 32, 60, 3], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [60, 3, 22] Generated Node #0,0: 42:[60, 3, 22] Operation: 54-32=22 Moving to Node #0,0 Current State: 42:[60, 3, 22], Operations: ['54-32=22'] Exploring Operation: 60/3=20, Resulting Numbers: [22, 20] Generated Node #0,0,1: 42:[22, 20] Operation: 60/3=20 Moving to Node #0,0,1 Current State: 42:[22, 20], Operations: ['54-32=22', '60/3=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 21, 56, 39, 26 ]
63
[ "56*39=2184", "2184/26=84", "84-21=63" ]
Current State: 63:[21, 56, 39, 26], Operations: [] Exploring Operation: 56*39=2184, Resulting Numbers: [21, 26, 2184] Generated Node #2: [21, 26, 2184] from Operation: 56*39=2184 Current State: 63:[21, 26, 2184], Operations: ['56*39=2184'] Exploring Operation: 2184/26=84, Resulting Numbers: [21, 84] Generated Node #3: [21, 84] from Operation: 2184/26=84 Current State: 63:[21, 84], Operations: ['56*39=2184', '2184/26=84'] Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[21, 56, 39, 26], Operations: [] Exploring Operation: 39+26=65, Resulting Numbers: [21, 56, 65] Generated Node #0,0: 63:[21, 56, 65] Operation: 39+26=65 Exploring Operation: 56-39=17, Resulting Numbers: [21, 26, 17] Generated Node #0,1: 63:[21, 26, 17] Operation: 56-39=17 Moving to Node #0,0 Current State: 63:[21, 56, 65], Operations: ['39+26=65'] Exploring Operation: 21+56=77, Resulting Numbers: [65, 77] Generated Node #0,0,0: 63:[65, 77] Operation: 21+56=77 Exploring Operation: 65-56=9, Resulting Numbers: [21, 9] Generated Node #0,0,1: 63:[21, 9] Operation: 65-56=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[21, 9], Operations: ['39+26=65', '65-56=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,63 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:[65, 77], Operations: ['39+26=65', '21+56=77'] Exploring Operation: 65+77=142, Resulting Numbers: [142] 142,63 unequal: No Solution Exploring Operation: 77-65=12, Resulting Numbers: [12] 12,63 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: 63:[21, 26, 17], Operations: ['56-39=17'] Exploring Operation: 26-21=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 63:[17, 5] Operation: 26-21=5 Exploring Operation: 26-17=9, Resulting Numbers: [21, 9] Generated Node #0,1,1: 63:[21, 9] Operation: 26-17=9 Moving to Node #0,1,1 Current State: 63:[21, 9], Operations: ['56-39=17', '26-17=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[17, 5], Operations: ['56-39=17', '26-21=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,63 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 66, 30, 10, 35 ]
81
[ "66-30=36", "10+35=45", "36+45=81" ]
Current State: 81:[66, 30, 10, 35], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [10, 35, 36] Generated Node #2: [10, 35, 36] from Operation: 66-30=36 Current State: 81:[10, 35, 36], Operations: ['66-30=36'] Exploring Operation: 10+35=45, Resulting Numbers: [36, 45] Generated Node #3: [36, 45] from Operation: 10+35=45 Current State: 81:[36, 45], Operations: ['66-30=36', '10+35=45'] Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[66, 30, 10, 35], Operations: [] Exploring Operation: 66+10=76, Resulting Numbers: [30, 35, 76] Generated Node #0,0: 81:[30, 35, 76] Operation: 66+10=76 Exploring Operation: 66-35=31, Resulting Numbers: [30, 10, 31] Generated Node #0,1: 81:[30, 10, 31] Operation: 66-35=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[30, 10, 31], Operations: ['66-35=31'] Exploring Operation: 30/10=3, Resulting Numbers: [31, 3] Generated Node #0,1,0: 81:[31, 3] Operation: 30/10=3 Exploring Operation: 31-30=1, Resulting Numbers: [10, 1] Generated Node #0,1,1: 81:[10, 1] Operation: 31-30=1 Moving to Node #0,1,1 Current State: 81:[10, 1], Operations: ['66-35=31', '31-30=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[31, 3], Operations: ['66-35=31', '30/10=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[30, 35, 76], Operations: ['66+10=76'] Exploring Operation: 76-35=41, Resulting Numbers: [30, 41] Generated Node #0,0,0: 81:[30, 41] Operation: 76-35=41 Exploring Operation: 35-30=5, Resulting Numbers: [76, 5] Generated Node #0,0,1: 81:[76, 5] Operation: 35-30=5 Moving to Node #0,0,1 Current State: 81:[76, 5], Operations: ['66+10=76', '35-30=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,81 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[66, 30, 10, 35], Operations: [] Exploring Operation: 66+10=76, Resulting Numbers: [30, 35, 76] Generated Node #0,0: 81:[30, 35, 76] Operation: 66+10=76 Moving to Node #0,0 Current State: 81:[30, 35, 76], Operations: ['66+10=76'] Exploring Operation: 35-30=5, Resulting Numbers: [76, 5] Generated Node #0,0,1: 81:[76, 5] Operation: 35-30=5 Moving to Node #0,0,1 Current State: 81:[76, 5], Operations: ['66+10=76', '35-30=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 13, 97, 2, 82 ]
26
[ "13+97=110", "2+82=84", "110-84=26" ]
Current State: 26:[13, 97, 2, 82], Operations: [] Exploring Operation: 13+97=110, Resulting Numbers: [2, 82, 110] Generated Node #2: [2, 82, 110] from Operation: 13+97=110 Current State: 26:[2, 82, 110], Operations: ['13+97=110'] Exploring Operation: 2+82=84, Resulting Numbers: [110, 84] Generated Node #3: [110, 84] from Operation: 2+82=84 Current State: 26:[110, 84], Operations: ['13+97=110', '2+82=84'] Exploring Operation: 110-84=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[13, 97, 2, 82], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [2, 82, 84] Generated Node #0,0: 26:[2, 82, 84] Operation: 97-13=84 Exploring Operation: 82/2=41, Resulting Numbers: [13, 97, 41] Generated Node #0,1: 26:[13, 97, 41] Operation: 82/2=41 Exploring Operation: 82-13=69, Resulting Numbers: [97, 2, 69] Generated Node #0,2: 26:[97, 2, 69] Operation: 82-13=69 Exploring Operation: 97-82=15, Resulting Numbers: [13, 2, 15] Generated Node #0,3: 26:[13, 2, 15] Operation: 97-82=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[13, 2, 15], Operations: ['97-82=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2, 2] Generated Node #0,3,0: 26:[2, 2] Operation: 15-13=2 Exploring Operation: 15-2=13, Resulting Numbers: [13, 13] Generated Node #0,3,1: 26:[13, 13] Operation: 15-2=13 Exploring Operation: 13+15=28, Resulting Numbers: [2, 28] Generated Node #0,3,2: 26:[2, 28] Operation: 13+15=28 Exploring Operation: 13*2=26, Resulting Numbers: [15, 26] Generated Node #0,3,3: 26:[15, 26] Operation: 13*2=26 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[2, 2], Operations: ['97-82=15', '15-13=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[13, 13], Operations: ['97-82=15', '15-2=13'] Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,26 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[13, 97, 2, 82], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [13, 2, 15] Generated Node #0,3: 26:[13, 2, 15] Operation: 97-82=15 Moving to Node #0,3 Current State: 26:[13, 2, 15], Operations: ['97-82=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13, 13] Generated Node #0,3,1: 26:[13, 13] Operation: 15-2=13 Moving to Node #0,3,1 Current State: 26:[13, 13], Operations: ['97-82=15', '15-2=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 25, 5, 98, 73 ]
45
[ "25-5=20", "98-73=25", "20+25=45" ]
Current State: 45:[25, 5, 98, 73], Operations: [] Exploring Operation: 25-5=20, Resulting Numbers: [98, 73, 20] Generated Node #2: [98, 73, 20] from Operation: 25-5=20 Current State: 45:[98, 73, 20], Operations: ['25-5=20'] Exploring Operation: 98-73=25, Resulting Numbers: [20, 25] Generated Node #3: [20, 25] from Operation: 98-73=25 Current State: 45:[20, 25], Operations: ['25-5=20', '98-73=25'] Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[25, 5, 98, 73], Operations: [] Exploring Operation: 25/5=5, Resulting Numbers: [98, 73, 5] Generated Node #0,0: 45:[98, 73, 5] Operation: 25/5=5 Exploring Operation: 98-73=25, Resulting Numbers: [25, 5, 25] Generated Node #0,1: 45:[25, 5, 25] Operation: 98-73=25 Exploring Operation: 73-25=48, Resulting Numbers: [5, 98, 48] Generated Node #0,2: 45:[5, 98, 48] Operation: 73-25=48 Exploring Operation: 98-25=73, Resulting Numbers: [5, 73, 73] Generated Node #0,3: 45:[5, 73, 73] Operation: 98-25=73 Moving to Node #0,1 Current State: 45:[25, 5, 25], Operations: ['98-73=25'] Exploring Operation: 25+25=50, Resulting Numbers: [5, 50] Generated Node #0,1,0: 45:[5, 50] Operation: 25+25=50 Exploring Operation: 25/25=1, Resulting Numbers: [5, 1] Generated Node #0,1,1: 45:[5, 1] Operation: 25/25=1 Exploring Operation: 25-25=0, Resulting Numbers: [5, 0] Generated Node #0,1,2: 45:[5, 0] Operation: 25-25=0 Exploring Operation: 25/5=5, Resulting Numbers: [25, 5] Generated Node #0,1,3: 45:[25, 5] Operation: 25/5=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[5, 1], Operations: ['98-73=25', '25/25=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,45 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 #0,1,2 Current State: 45:[5, 0], Operations: ['98-73=25', '25-25=0'] Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 5+0=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 5*0=0, Resulting Numbers: [0] 0,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[5, 50], Operations: ['98-73=25', '25+25=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[25, 5, 98, 73], Operations: [] Exploring Operation: 98-73=25, Resulting Numbers: [25, 5, 25] Generated Node #0,1: 45:[25, 5, 25] Operation: 98-73=25 Moving to Node #0,1 Current State: 45:[25, 5, 25], Operations: ['98-73=25'] Exploring Operation: 25+25=50, Resulting Numbers: [5, 50] Generated Node #0,1,0: 45:[5, 50] Operation: 25+25=50 Moving to Node #0,1,0 Current State: 45:[5, 50], Operations: ['98-73=25', '25+25=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 18, 91, 87, 69 ]
90
[ "87-18=69", "69/69=1", "91-1=90" ]
Current State: 90:[18, 91, 87, 69], Operations: [] Exploring Operation: 87-18=69, Resulting Numbers: [91, 69, 69] Generated Node #2: [91, 69, 69] from Operation: 87-18=69 Current State: 90:[91, 69, 69], Operations: ['87-18=69'] Exploring Operation: 69/69=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 69/69=1 Current State: 90:[91, 1], Operations: ['87-18=69', '69/69=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[18, 91, 87, 69], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [91, 87, 51] Generated Node #0,0: 90:[91, 87, 51] Operation: 69-18=51 Exploring Operation: 87-69=18, Resulting Numbers: [18, 91, 18] Generated Node #0,1: 90:[18, 91, 18] Operation: 87-69=18 Exploring Operation: 91-69=22, Resulting Numbers: [18, 87, 22] Generated Node #0,2: 90:[18, 87, 22] Operation: 91-69=22 Exploring Operation: 18+69=87, Resulting Numbers: [91, 87, 87] Generated Node #0,3: 90:[91, 87, 87] Operation: 18+69=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[18, 91, 18], Operations: ['87-69=18'] Exploring Operation: 91-18=73, Resulting Numbers: [18, 73] Generated Node #0,1,0: 90:[18, 73] Operation: 91-18=73 Exploring Operation: 18+18=36, Resulting Numbers: [91, 36] Generated Node #0,1,1: 90:[91, 36] Operation: 18+18=36 Exploring Operation: 18/18=1, Resulting Numbers: [91, 1] Generated Node #0,1,2: 90:[91, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [91, 0] Generated Node #0,1,3: 90:[91, 0] Operation: 18-18=0 Moving to Node #0,1,2 Current State: 90:[91, 1], Operations: ['87-69=18', '18/18=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[18, 91, 87, 69], Operations: [] Exploring Operation: 87-69=18, Resulting Numbers: [18, 91, 18] Generated Node #0,1: 90:[18, 91, 18] Operation: 87-69=18 Moving to Node #0,1 Current State: 90:[18, 91, 18], Operations: ['87-69=18'] Exploring Operation: 18/18=1, Resulting Numbers: [91, 1] Generated Node #0,1,2: 90:[91, 1] Operation: 18/18=1 Moving to Node #0,1,2 Current State: 90:[91, 1], Operations: ['87-69=18', '18/18=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 52, 11, 80, 53 ]
14
[ "52-11=41", "80-53=27", "41-27=14" ]
Current State: 14:[52, 11, 80, 53], Operations: [] Exploring Operation: 52-11=41, Resulting Numbers: [80, 53, 41] Generated Node #2: [80, 53, 41] from Operation: 52-11=41 Current State: 14:[80, 53, 41], Operations: ['52-11=41'] Exploring Operation: 80-53=27, Resulting Numbers: [41, 27] Generated Node #3: [41, 27] from Operation: 80-53=27 Current State: 14:[41, 27], Operations: ['52-11=41', '80-53=27'] Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[52, 11, 80, 53], Operations: [] Exploring Operation: 80-53=27, Resulting Numbers: [52, 11, 27] Generated Node #0,0: 14:[52, 11, 27] Operation: 80-53=27 Exploring Operation: 80-52=28, Resulting Numbers: [11, 53, 28] Generated Node #0,1: 14:[11, 53, 28] Operation: 80-52=28 Moving to Node #0,0 Current State: 14:[52, 11, 27], Operations: ['80-53=27'] Exploring Operation: 52-27=25, Resulting Numbers: [11, 25] Generated Node #0,0,0: 14:[11, 25] Operation: 52-27=25 Exploring Operation: 52-11=41, Resulting Numbers: [27, 41] Generated Node #0,0,1: 14:[27, 41] Operation: 52-11=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[11, 25], Operations: ['80-53=27', '52-27=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[52, 11, 80, 53], Operations: [] Exploring Operation: 80-53=27, Resulting Numbers: [52, 11, 27] Generated Node #0,0: 14:[52, 11, 27] Operation: 80-53=27 Moving to Node #0,0 Current State: 14:[52, 11, 27], Operations: ['80-53=27'] Exploring Operation: 52-27=25, Resulting Numbers: [11, 25] Generated Node #0,0,0: 14:[11, 25] Operation: 52-27=25 Moving to Node #0,0,0 Current State: 14:[11, 25], Operations: ['80-53=27', '52-27=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 84, 9, 74, 19 ]
38
[ "84+9=93", "74-19=55", "93-55=38" ]
Current State: 38:[84, 9, 74, 19], Operations: [] Exploring Operation: 84+9=93, Resulting Numbers: [74, 19, 93] Generated Node #2: [74, 19, 93] from Operation: 84+9=93 Current State: 38:[74, 19, 93], Operations: ['84+9=93'] Exploring Operation: 74-19=55, Resulting Numbers: [93, 55] Generated Node #3: [93, 55] from Operation: 74-19=55 Current State: 38:[93, 55], Operations: ['84+9=93', '74-19=55'] Exploring Operation: 93-55=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[84, 9, 74, 19], Operations: [] Exploring Operation: 84-19=65, Resulting Numbers: [9, 74, 65] Generated Node #0,0: 38:[9, 74, 65] Operation: 84-19=65 Exploring Operation: 84-74=10, Resulting Numbers: [9, 19, 10] Generated Node #0,1: 38:[9, 19, 10] Operation: 84-74=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[9, 19, 10], Operations: ['84-74=10'] Exploring Operation: 10-9=1, Resulting Numbers: [19, 1] Generated Node #0,1,0: 38:[19, 1] Operation: 10-9=1 Exploring Operation: 9+10=19, Resulting Numbers: [19, 19] Generated Node #0,1,1: 38:[19, 19] Operation: 9+10=19 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[19, 19], Operations: ['84-74=10', '9+10=19'] Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[84, 9, 74, 19], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [9, 19, 10] Generated Node #0,1: 38:[9, 19, 10] Operation: 84-74=10 Moving to Node #0,1 Current State: 38:[9, 19, 10], Operations: ['84-74=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19, 19] Generated Node #0,1,1: 38:[19, 19] Operation: 9+10=19 Moving to Node #0,1,1 Current State: 38:[19, 19], Operations: ['84-74=10', '9+10=19'] Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 1, 30, 90, 28 ]
24
[ "28-1=27", "90/30=3", "27-3=24" ]
Current State: 24:[1, 30, 90, 28], Operations: [] Exploring Operation: 28-1=27, Resulting Numbers: [30, 90, 27] Generated Node #2: [30, 90, 27] from Operation: 28-1=27 Current State: 24:[30, 90, 27], Operations: ['28-1=27'] Exploring Operation: 90/30=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 90/30=3 Current State: 24:[27, 3], Operations: ['28-1=27', '90/30=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[1, 30, 90, 28], Operations: [] Exploring Operation: 90-28=62, Resulting Numbers: [1, 30, 62] Generated Node #0,0: 24:[1, 30, 62] Operation: 90-28=62 Exploring Operation: 30-28=2, Resulting Numbers: [1, 90, 2] Generated Node #0,1: 24:[1, 90, 2] Operation: 30-28=2 Exploring Operation: 30-1=29, Resulting Numbers: [90, 28, 29] Generated Node #0,2: 24:[90, 28, 29] Operation: 30-1=29 Exploring Operation: 90/30=3, Resulting Numbers: [1, 28, 3] Generated Node #0,3: 24:[1, 28, 3] Operation: 90/30=3 Exploring Operation: 90-30=60, Resulting Numbers: [1, 28, 60] Generated Node #0,4: 24:[1, 28, 60] Operation: 90-30=60 Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[1, 28, 3], Operations: ['90/30=3'] Exploring Operation: 28-3=25, Resulting Numbers: [1, 25] Generated Node #0,3,0: 24:[1, 25] Operation: 28-3=25 Exploring Operation: 28/1=28, Resulting Numbers: [3, 28] Generated Node #0,3,1: 24:[3, 28] Operation: 28/1=28 Exploring Operation: 1+3=4, Resulting Numbers: [28, 4] Generated Node #0,3,2: 24:[28, 4] Operation: 1+3=4 Exploring Operation: 1*28=28, Resulting Numbers: [3, 28] Generated Node #0,3,3: 24:[3, 28] Operation: 1*28=28 Exploring Operation: 28-1=27, Resulting Numbers: [3, 27] Generated Node #0,3,4: 24:[3, 27] Operation: 28-1=27 Moving to Node #0,3,0 Current State: 24:[1, 25], Operations: ['90/30=3', '28-3=25'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[1, 30, 90, 28], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [1, 28, 3] Generated Node #0,3: 24:[1, 28, 3] Operation: 90/30=3 Moving to Node #0,3 Current State: 24:[1, 28, 3], Operations: ['90/30=3'] Exploring Operation: 28-3=25, Resulting Numbers: [1, 25] Generated Node #0,3,0: 24:[1, 25] Operation: 28-3=25 Moving to Node #0,3,0 Current State: 24:[1, 25], Operations: ['90/30=3', '28-3=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 16, 52, 3, 67 ]
93
[ "52-16=36", "67-36=31", "3*31=93" ]
Current State: 93:[16, 52, 3, 67], Operations: [] Exploring Operation: 52-16=36, Resulting Numbers: [3, 67, 36] Generated Node #2: [3, 67, 36] from Operation: 52-16=36 Current State: 93:[3, 67, 36], Operations: ['52-16=36'] Exploring Operation: 67-36=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 67-36=31 Current State: 93:[3, 31], Operations: ['52-16=36', '67-36=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[16, 52, 3, 67], Operations: [] Exploring Operation: 16+67=83, Resulting Numbers: [52, 3, 83] Generated Node #0,0: 93:[52, 3, 83] Operation: 16+67=83 Exploring Operation: 52-16=36, Resulting Numbers: [3, 67, 36] Generated Node #0,1: 93:[3, 67, 36] Operation: 52-16=36 Exploring Operation: 67-52=15, Resulting Numbers: [16, 3, 15] Generated Node #0,2: 93:[16, 3, 15] Operation: 67-52=15 Exploring Operation: 52+67=119, Resulting Numbers: [16, 3, 119] Generated Node #0,3: 93:[16, 3, 119] Operation: 52+67=119 Moving to Node #0,2 Current State: 93:[16, 3, 15], Operations: ['67-52=15'] Exploring Operation: 15/3=5, Resulting Numbers: [16, 5] Generated Node #0,2,0: 93:[16, 5] Operation: 15/3=5 Exploring Operation: 16-3=13, Resulting Numbers: [15, 13] Generated Node #0,2,1: 93:[15, 13] Operation: 16-3=13 Exploring Operation: 16+15=31, Resulting Numbers: [3, 31] Generated Node #0,2,2: 93:[3, 31] Operation: 16+15=31 Exploring Operation: 16-15=1, Resulting Numbers: [3, 1] Generated Node #0,2,3: 93:[3, 1] Operation: 16-15=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[3, 31], Operations: ['67-52=15', '16+15=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[16, 52, 3, 67], Operations: [] Exploring Operation: 67-52=15, Resulting Numbers: [16, 3, 15] Generated Node #0,2: 93:[16, 3, 15] Operation: 67-52=15 Moving to Node #0,2 Current State: 93:[16, 3, 15], Operations: ['67-52=15'] Exploring Operation: 16+15=31, Resulting Numbers: [3, 31] Generated Node #0,2,2: 93:[3, 31] Operation: 16+15=31 Moving to Node #0,2,2 Current State: 93:[3, 31], Operations: ['67-52=15', '16+15=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 14, 26, 66, 25 ]
20
[ "25-14=11", "66/11=6", "26-6=20" ]
Current State: 20:[14, 26, 66, 25], Operations: [] Exploring Operation: 25-14=11, Resulting Numbers: [26, 66, 11] Generated Node #2: [26, 66, 11] from Operation: 25-14=11 Current State: 20:[26, 66, 11], Operations: ['25-14=11'] Exploring Operation: 66/11=6, Resulting Numbers: [26, 6] Generated Node #3: [26, 6] from Operation: 66/11=6 Current State: 20:[26, 6], Operations: ['25-14=11', '66/11=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[14, 26, 66, 25], Operations: [] Exploring Operation: 66-26=40, Resulting Numbers: [14, 25, 40] Generated Node #0,0: 20:[14, 25, 40] Operation: 66-26=40 Moving to Node #0,0 Current State: 20:[14, 25, 40], Operations: ['66-26=40'] Exploring Operation: 40-25=15, Resulting Numbers: [14, 15] Generated Node #0,0,0: 20:[14, 15] Operation: 40-25=15 Moving to Node #0,0,0 Current State: 20:[14, 15], Operations: ['66-26=40', '40-25=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 63, 82, 9, 93 ]
25
[ "63/9=7", "82+93=175", "175/7=25" ]
Current State: 25:[63, 82, 9, 93], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [82, 93, 7] Generated Node #2: [82, 93, 7] from Operation: 63/9=7 Current State: 25:[82, 93, 7], Operations: ['63/9=7'] Exploring Operation: 82+93=175, Resulting Numbers: [7, 175] Generated Node #3: [7, 175] from Operation: 82+93=175 Current State: 25:[7, 175], Operations: ['63/9=7', '82+93=175'] Exploring Operation: 175/7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[63, 82, 9, 93], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [63, 9, 11] Generated Node #0,0: 25:[63, 9, 11] Operation: 93-82=11 Exploring Operation: 93-63=30, Resulting Numbers: [82, 9, 30] Generated Node #0,1: 25:[82, 9, 30] Operation: 93-63=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[63, 9, 11], Operations: ['93-82=11'] Exploring Operation: 63-11=52, Resulting Numbers: [9, 52] Generated Node #0,0,0: 25:[9, 52] Operation: 63-11=52 Exploring Operation: 63/9=7, Resulting Numbers: [11, 7] Generated Node #0,0,1: 25:[11, 7] Operation: 63/9=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[11, 7], Operations: ['93-82=11', '63/9=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,25 unequal: No Solution No 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: 25:[9, 52], Operations: ['93-82=11', '63-11=52'] Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,25 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,25 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: 25:[82, 9, 30], Operations: ['93-63=30'] Exploring Operation: 82-9=73, Resulting Numbers: [30, 73] Generated Node #0,1,0: 25:[30, 73] Operation: 82-9=73 Exploring Operation: 82-30=52, Resulting Numbers: [9, 52] Generated Node #0,1,1: 25:[9, 52] Operation: 82-30=52 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[9, 52], Operations: ['93-63=30', '82-30=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,25 unequal: No Solution No 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: 25:[30, 73], Operations: ['93-63=30', '82-9=73'] Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 30+73=103, Resulting Numbers: [103] 103,25 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
[ 14, 22, 7, 25 ]
24
[ "22-14=8", "7+25=32", "32-8=24" ]
Current State: 24:[14, 22, 7, 25], Operations: [] Exploring Operation: 22-14=8, Resulting Numbers: [7, 25, 8] Generated Node #2: [7, 25, 8] from Operation: 22-14=8 Current State: 24:[7, 25, 8], Operations: ['22-14=8'] Exploring Operation: 7+25=32, Resulting Numbers: [8, 32] Generated Node #3: [8, 32] from Operation: 7+25=32 Current State: 24:[8, 32], Operations: ['22-14=8', '7+25=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[14, 22, 7, 25], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [22, 25, 2] Generated Node #0,0: 24:[22, 25, 2] Operation: 14/7=2 Exploring Operation: 25-14=11, Resulting Numbers: [22, 7, 11] Generated Node #0,1: 24:[22, 7, 11] Operation: 25-14=11 Exploring Operation: 14-7=7, Resulting Numbers: [22, 25, 7] Generated Node #0,2: 24:[22, 25, 7] Operation: 14-7=7 Exploring Operation: 22-14=8, Resulting Numbers: [7, 25, 8] Generated Node #0,3: 24:[7, 25, 8] Operation: 22-14=8 Exploring Operation: 25-22=3, Resulting Numbers: [14, 7, 3] Generated Node #0,4: 24:[14, 7, 3] Operation: 25-22=3 Moving to Node #0,3 Current State: 24:[7, 25, 8], Operations: ['22-14=8'] Exploring Operation: 8-7=1, Resulting Numbers: [25, 1] Generated Node #0,3,0: 24:[25, 1] Operation: 8-7=1 Exploring Operation: 7+25=32, Resulting Numbers: [8, 32] Generated Node #0,3,1: 24:[8, 32] Operation: 7+25=32 Exploring Operation: 7+8=15, Resulting Numbers: [25, 15] Generated Node #0,3,2: 24:[25, 15] Operation: 7+8=15 Exploring Operation: 25-8=17, Resulting Numbers: [7, 17] Generated Node #0,3,3: 24:[7, 17] Operation: 25-8=17 Exploring Operation: 25-7=18, Resulting Numbers: [8, 18] Generated Node #0,3,4: 24:[8, 18] Operation: 25-7=18 Moving to Node #0,4 Current State: 24:[14, 7, 3], Operations: ['25-22=3'] Exploring Operation: 14-3=11, Resulting Numbers: [7, 11] Generated Node #0,4,0: 24:[7, 11] Operation: 14-3=11 Exploring Operation: 14/7=2, Resulting Numbers: [3, 2] Generated Node #0,4,1: 24:[3, 2] Operation: 14/7=2 Exploring Operation: 7-3=4, Resulting Numbers: [14, 4] Generated Node #0,4,2: 24:[14, 4] Operation: 7-3=4 Exploring Operation: 14-7=7, Resulting Numbers: [3, 7] Generated Node #0,4,3: 24:[3, 7] Operation: 14-7=7 Exploring Operation: 14+7=21, Resulting Numbers: [3, 21] Generated Node #0,4,4: 24:[3, 21] Operation: 14+7=21 Moving to Node #0,0 Current State: 24:[22, 25, 2], Operations: ['14/7=2'] Exploring Operation: 22/2=11, Resulting Numbers: [25, 11] Generated Node #0,0,0: 24:[25, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [25, 20] Generated Node #0,0,1: 24:[25, 20] Operation: 22-2=20 Exploring Operation: 25-2=23, Resulting Numbers: [22, 23] Generated Node #0,0,2: 24:[22, 23] Operation: 25-2=23 Exploring Operation: 22+2=24, Resulting Numbers: [25, 24] Generated Node #0,0,3: 24:[25, 24] Operation: 22+2=24 Exploring Operation: 25-22=3, Resulting Numbers: [2, 3] Generated Node #0,0,4: 24:[2, 3] Operation: 25-22=3 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 24:[2, 3], Operations: ['14/7=2', '25-22=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 24:[25, 24], Operations: ['14/7=2', '22+2=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,24 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[25, 11], Operations: ['14/7=2', '22/2=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[22, 23], Operations: ['14/7=2', '25-2=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,24 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[25, 20], Operations: ['14/7=2', '22-2=20'] Exploring Operation: 25*20=500, Resulting Numbers: [500] 500,24 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 24:[22, 7, 11], Operations: ['25-14=11'] Exploring Operation: 22-11=11, Resulting Numbers: [7, 11] Generated Node #0,1,0: 24:[7, 11] Operation: 22-11=11 Exploring Operation: 22+7=29, Resulting Numbers: [11, 29] Generated Node #0,1,1: 24:[11, 29] Operation: 22+7=29 Exploring Operation: 22-7=15, Resulting Numbers: [11, 15] Generated Node #0,1,2: 24:[11, 15] Operation: 22-7=15 Exploring Operation: 22/11=2, Resulting Numbers: [7, 2] Generated Node #0,1,3: 24:[7, 2] Operation: 22/11=2 Exploring Operation: 11-7=4, Resulting Numbers: [22, 4] Generated Node #0,1,4: 24:[22, 4] Operation: 11-7=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 24:[7, 2], Operations: ['25-14=11', '22/11=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,24 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[7, 11], Operations: ['25-14=11', '22-11=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,24 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 24:[22, 4], Operations: ['25-14=11', '11-7=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[11, 15], Operations: ['25-14=11', '22-7=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,24 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[11, 29], Operations: ['25-14=11', '22+7=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,24 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,24 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: 24:[22, 25, 7], Operations: ['14-7=7'] Exploring Operation: 22+7=29, Resulting Numbers: [25, 29] Generated Node #0,2,0: 24:[25, 29] Operation: 22+7=29 Exploring Operation: 22-7=15, Resulting Numbers: [25, 15] Generated Node #0,2,1: 24:[25, 15] Operation: 22-7=15 Exploring Operation: 25-7=18, Resulting Numbers: [22, 18] Generated Node #0,2,2: 24:[22, 18] Operation: 25-7=18 Exploring Operation: 25-22=3, Resulting Numbers: [7, 3] Generated Node #0,2,3: 24:[7, 3] Operation: 25-22=3 Exploring Operation: 25+7=32, Resulting Numbers: [22, 32] Generated Node #0,2,4: 24:[22, 32] Operation: 25+7=32 Moving to Node #0,4,1 Current State: 24:[3, 2], Operations: ['25-22=3', '14/7=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,24 unequal: No Solution Moving to Node #0,4,3 Current State: 24:[3, 7], Operations: ['25-22=3', '14-7=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[7, 3], Operations: ['14-7=7', '25-22=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[25, 1], Operations: ['22-14=8', '8-7=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[14, 22, 7, 25], Operations: [] Exploring Operation: 22-14=8, Resulting Numbers: [7, 25, 8] Generated Node #0,3: 24:[7, 25, 8] Operation: 22-14=8 Moving to Node #0,3 Current State: 24:[7, 25, 8], Operations: ['22-14=8'] Exploring Operation: 8-7=1, Resulting Numbers: [25, 1] Generated Node #0,3,0: 24:[25, 1] Operation: 8-7=1 Moving to Node #0,3,0 Current State: 24:[25, 1], Operations: ['22-14=8', '8-7=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.934028
hs_5
mult_heuristic
[ 27, 9, 92, 9 ]
88
[ "27+9=36", "36/9=4", "92-4=88" ]
Current State: 88:[27, 9, 92, 9], Operations: [] Exploring Operation: 27+9=36, Resulting Numbers: [92, 36] Generated Node #2: [92, 36] from Operation: 27+9=36 Current State: 88:[92, 36], Operations: ['27+9=36'] Exploring Operation: 36/9=4, Resulting Numbers: [92, 4] Generated Node #3: [92, 4] from Operation: 36/9=4 Current State: 88:[92, 4], Operations: ['27+9=36', '36/9=4'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[27, 9, 92, 9], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [92, 9, 3] Generated Node #0,0: 88:[92, 9, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [92, 9, 18] Generated Node #0,1: 88:[92, 9, 18] Operation: 27-9=18 Exploring Operation: 27/9=3, Resulting Numbers: [9, 92, 3] Generated Node #0,2: 88:[9, 92, 3] Operation: 27/9=3 Moving to Node #0,0 Current State: 88:[92, 9, 3], Operations: ['27/9=3'] Exploring Operation: 9/3=3, Resulting Numbers: [92, 3] Generated Node #0,0,0: 88:[92, 3] Operation: 9/3=3 Exploring Operation: 9+3=12, Resulting Numbers: [92, 12] Generated Node #0,0,1: 88:[92, 12] Operation: 9+3=12 Exploring Operation: 92-3=89, Resulting Numbers: [9, 89] Generated Node #0,0,2: 88:[9, 89] Operation: 92-3=89 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[9, 89], Operations: ['27/9=3', '92-3=89'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 9*89=801, Resulting Numbers: [801] 801,88 unequal: No Solution Exploring Operation: 9+89=98, Resulting Numbers: [98] 98,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[92, 3], Operations: ['27/9=3', '9/3=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[92, 12], Operations: ['27/9=3', '9+3=12'] Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,88 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 88:[9, 92, 3], Operations: ['27/9=3'] Exploring Operation: 9/3=3, Resulting Numbers: [92, 3] Generated Node #0,2,0: 88:[92, 3] Operation: 9/3=3 Exploring Operation: 92-3=89, Resulting Numbers: [9, 89] Generated Node #0,2,1: 88:[9, 89] Operation: 92-3=89 Exploring Operation: 9+3=12, Resulting Numbers: [92, 12] Generated Node #0,2,2: 88:[92, 12] Operation: 9+3=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[9, 89], Operations: ['27/9=3', '92-3=89'] Exploring Operation: 9+89=98, Resulting Numbers: [98] 98,88 unequal: No Solution Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 9*89=801, Resulting Numbers: [801] 801,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[92, 3], Operations: ['27/9=3', '9/3=3'] Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,88 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,88 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 #0,2,2 Current State: 88:[92, 12], Operations: ['27/9=3', '9+3=12'] Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,88 unequal: No Solution Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,88 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 88:[92, 9, 18], Operations: ['27-9=18'] Exploring Operation: 18/9=2, Resulting Numbers: [92, 2] Generated Node #0,1,0: 88:[92, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [92, 9] Generated Node #0,1,1: 88:[92, 9] Operation: 18-9=9 Exploring Operation: 92-9=83, Resulting Numbers: [18, 83] Generated Node #0,1,2: 88:[18, 83] Operation: 92-9=83 Moving to Node #0,1,0 Current State: 88:[92, 2], Operations: ['27-9=18', '18/9=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,88 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[92, 9], Operations: ['27-9=18', '18-9=9'] Exploring Operation: 92*9=828, Resulting Numbers: [828] 828,88 unequal: No Solution Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 92+9=101, Resulting Numbers: [101] 101,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[18, 83], Operations: ['27-9=18', '92-9=83'] Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,88 unequal: No Solution Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,88 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 17, 33, 71, 9 ]
78
[ "17*33=561", "71*9=639", "639-561=78" ]
Current State: 78:[17, 33, 71, 9], Operations: [] Exploring Operation: 17*33=561, Resulting Numbers: [71, 9, 561] Generated Node #2: [71, 9, 561] from Operation: 17*33=561 Current State: 78:[71, 9, 561], Operations: ['17*33=561'] Exploring Operation: 71*9=639, Resulting Numbers: [561, 639] Generated Node #3: [561, 639] from Operation: 71*9=639 Current State: 78:[561, 639], Operations: ['17*33=561', '71*9=639'] Exploring Operation: 639-561=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[17, 33, 71, 9], Operations: [] Exploring Operation: 71-33=38, Resulting Numbers: [17, 9, 38] Generated Node #0,0: 78:[17, 9, 38] Operation: 71-33=38 Exploring Operation: 17+9=26, Resulting Numbers: [33, 71, 26] Generated Node #0,1: 78:[33, 71, 26] Operation: 17+9=26 Exploring Operation: 71+9=80, Resulting Numbers: [17, 33, 80] Generated Node #0,2: 78:[17, 33, 80] Operation: 71+9=80 Exploring Operation: 33-17=16, Resulting Numbers: [71, 9, 16] Generated Node #0,3: 78:[71, 9, 16] Operation: 33-17=16 Moving to Node #0,0 Current State: 78:[17, 9, 38], Operations: ['71-33=38'] Exploring Operation: 17+9=26, Resulting Numbers: [38, 26] Generated Node #0,0,0: 78:[38, 26] Operation: 17+9=26 Exploring Operation: 38-9=29, Resulting Numbers: [17, 29] Generated Node #0,0,1: 78:[17, 29] Operation: 38-9=29 Exploring Operation: 17-9=8, Resulting Numbers: [38, 8] Generated Node #0,0,2: 78:[38, 8] Operation: 17-9=8 Exploring Operation: 38-17=21, Resulting Numbers: [9, 21] Generated Node #0,0,3: 78:[9, 21] Operation: 38-17=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[38, 26], Operations: ['71-33=38', '17+9=26'] Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,78 unequal: No Solution Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,78 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[38, 8], Operations: ['71-33=38', '17-9=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,78 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[17, 29], Operations: ['71-33=38', '38-9=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,78 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 78:[9, 21], Operations: ['71-33=38', '38-17=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[17, 33, 80], Operations: ['71+9=80'] Exploring Operation: 33-17=16, Resulting Numbers: [80, 16] Generated Node #0,2,0: 78:[80, 16] Operation: 33-17=16 Exploring Operation: 80-33=47, Resulting Numbers: [17, 47] Generated Node #0,2,1: 78:[17, 47] Operation: 80-33=47 Exploring Operation: 80-17=63, Resulting Numbers: [33, 63] Generated Node #0,2,2: 78:[33, 63] Operation: 80-17=63 Exploring Operation: 17+33=50, Resulting Numbers: [80, 50] Generated Node #0,2,3: 78:[80, 50] Operation: 17+33=50 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[80, 16], Operations: ['71+9=80', '33-17=16'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,78 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,78 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[17, 47], Operations: ['71+9=80', '80-33=47'] Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,78 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[80, 50], Operations: ['71+9=80', '17+33=50'] Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,78 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[33, 63], Operations: ['71+9=80', '80-17=63'] Exploring Operation: 33+63=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 33*63=2079, Resulting Numbers: [2079] 2079,78 unequal: No Solution Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,78 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: 78:[71, 9, 16], Operations: ['33-17=16'] Exploring Operation: 71+9=80, Resulting Numbers: [16, 80] Generated Node #0,3,0: 78:[16, 80] Operation: 71+9=80 Exploring Operation: 16-9=7, Resulting Numbers: [71, 7] Generated Node #0,3,1: 78:[71, 7] Operation: 16-9=7 Exploring Operation: 9+16=25, Resulting Numbers: [71, 25] Generated Node #0,3,2: 78:[71, 25] Operation: 9+16=25 Exploring Operation: 71+16=87, Resulting Numbers: [9, 87] Generated Node #0,3,3: 78:[9, 87] Operation: 71+16=87 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[16, 80], Operations: ['33-17=16', '71+9=80'] Exploring Operation: 16+80=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 16*80=1280, Resulting Numbers: [1280] 1280,78 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[71, 7], Operations: ['33-17=16', '16-9=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,78 unequal: No Solution Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[17, 33, 71, 9], Operations: [] Exploring Operation: 33-17=16, Resulting Numbers: [71, 9, 16] Generated Node #0,3: 78:[71, 9, 16] Operation: 33-17=16 Moving to Node #0,3 Current State: 78:[71, 9, 16], Operations: ['33-17=16'] Exploring Operation: 16-9=7, Resulting Numbers: [71, 7] Generated Node #0,3,1: 78:[71, 7] Operation: 16-9=7 Moving to Node #0,3,1 Current State: 78:[71, 7], Operations: ['33-17=16', '16-9=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
sum_heuristic
[ 33, 52, 21, 77 ]
75
[ "52-33=19", "77-21=56", "19+56=75" ]
Current State: 75:[33, 52, 21, 77], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [21, 77, 19] Generated Node #2: [21, 77, 19] from Operation: 52-33=19 Current State: 75:[21, 77, 19], Operations: ['52-33=19'] Exploring Operation: 77-21=56, Resulting Numbers: [19, 56] Generated Node #3: [19, 56] from Operation: 77-21=56 Current State: 75:[19, 56], Operations: ['52-33=19', '77-21=56'] Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[33, 52, 21, 77], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [21, 77, 19] Generated Node #0,0: 75:[21, 77, 19] Operation: 52-33=19 Exploring Operation: 52+21=73, Resulting Numbers: [33, 77, 73] Generated Node #0,1: 75:[33, 77, 73] Operation: 52+21=73 Moving to Node #0,0 Current State: 75:[21, 77, 19], Operations: ['52-33=19'] Exploring Operation: 21-19=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 75:[77, 2] Operation: 21-19=2 Exploring Operation: 21+19=40, Resulting Numbers: [77, 40] Generated Node #0,0,1: 75:[77, 40] Operation: 21+19=40 Moving to Node #0,1 Current State: 75:[33, 77, 73], Operations: ['52+21=73'] Exploring Operation: 77-73=4, Resulting Numbers: [33, 4] Generated Node #0,1,0: 75:[33, 4] Operation: 77-73=4 Exploring Operation: 73-33=40, Resulting Numbers: [77, 40] Generated Node #0,1,1: 75:[77, 40] Operation: 73-33=40 Moving to Node #0,0,0 Current State: 75:[77, 2], Operations: ['52-33=19', '21-19=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[33, 52, 21, 77], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [21, 77, 19] Generated Node #0,0: 75:[21, 77, 19] Operation: 52-33=19 Moving to Node #0,0 Current State: 75:[21, 77, 19], Operations: ['52-33=19'] Exploring Operation: 21-19=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 75:[77, 2] Operation: 21-19=2 Moving to Node #0,0,0 Current State: 75:[77, 2], Operations: ['52-33=19', '21-19=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 62, 28, 34, 31 ]
87
[ "62+28=90", "34-31=3", "90-3=87" ]
Current State: 87:[62, 28, 34, 31], Operations: [] Exploring Operation: 62+28=90, Resulting Numbers: [34, 31, 90] Generated Node #2: [34, 31, 90] from Operation: 62+28=90 Current State: 87:[34, 31, 90], Operations: ['62+28=90'] Exploring Operation: 34-31=3, Resulting Numbers: [90, 3] Generated Node #3: [90, 3] from Operation: 34-31=3 Current State: 87:[90, 3], Operations: ['62+28=90', '34-31=3'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[62, 28, 34, 31], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [28, 34, 2] Generated Node #0,0: 87:[28, 34, 2] Operation: 62/31=2 Exploring Operation: 62-34=28, Resulting Numbers: [28, 31, 28] Generated Node #0,1: 87:[28, 31, 28] Operation: 62-34=28 Moving to Node #0,1 Current State: 87:[28, 31, 28], Operations: ['62-34=28'] Exploring Operation: 31-28=3, Resulting Numbers: [28, 3] Generated Node #0,1,0: 87:[28, 3] Operation: 31-28=3 Exploring Operation: 31-28=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 87:[28, 3] Operation: 31-28=3 Moving to Node #0,0 Current State: 87:[28, 34, 2], Operations: ['62/31=2'] Exploring Operation: 34-2=32, Resulting Numbers: [28, 32] Generated Node #0,0,0: 87:[28, 32] Operation: 34-2=32 Exploring Operation: 34-28=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 87:[2, 6] Operation: 34-28=6 Moving to Node #0,1,0 Current State: 87:[28, 3], Operations: ['62-34=28', '31-28=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[28, 3], Operations: ['62-34=28', '31-28=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[2, 6], Operations: ['62/31=2', '34-28=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[28, 32], Operations: ['62/31=2', '34-2=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,87 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,87 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 63, 54, 10, 67 ]
21
[ "54+10=64", "67-64=3", "63/3=21" ]
Current State: 21:[63, 54, 10, 67], Operations: [] Exploring Operation: 54+10=64, Resulting Numbers: [63, 67, 64] Generated Node #2: [63, 67, 64] from Operation: 54+10=64 Current State: 21:[63, 67, 64], Operations: ['54+10=64'] Exploring Operation: 67-64=3, Resulting Numbers: [63, 3] Generated Node #3: [63, 3] from Operation: 67-64=3 Current State: 21:[63, 3], Operations: ['54+10=64', '67-64=3'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[63, 54, 10, 67], Operations: [] Exploring Operation: 67-54=13, Resulting Numbers: [63, 10, 13] Generated Node #0,0: 21:[63, 10, 13] Operation: 67-54=13 Exploring Operation: 63-10=53, Resulting Numbers: [54, 67, 53] Generated Node #0,1: 21:[54, 67, 53] Operation: 63-10=53 Exploring Operation: 63-54=9, Resulting Numbers: [10, 67, 9] Generated Node #0,2: 21:[10, 67, 9] Operation: 63-54=9 Exploring Operation: 67-63=4, Resulting Numbers: [54, 10, 4] Generated Node #0,3: 21:[54, 10, 4] Operation: 67-63=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 21:[54, 10, 4], Operations: ['67-63=4'] Exploring Operation: 54-4=50, Resulting Numbers: [10, 50] Generated Node #0,3,0: 21:[10, 50] Operation: 54-4=50 Exploring Operation: 10-4=6, Resulting Numbers: [54, 6] Generated Node #0,3,1: 21:[54, 6] Operation: 10-4=6 Exploring Operation: 54+4=58, Resulting Numbers: [10, 58] Generated Node #0,3,2: 21:[10, 58] Operation: 54+4=58 Exploring Operation: 54-10=44, Resulting Numbers: [4, 44] Generated Node #0,3,3: 21:[4, 44] Operation: 54-10=44 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 21:[4, 44], Operations: ['67-63=4', '54-10=44'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 21:[10, 50], Operations: ['67-63=4', '54-4=50'] Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 21:[54, 6], Operations: ['67-63=4', '10-4=6'] Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,21 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 21:[10, 58], Operations: ['67-63=4', '54+4=58'] Exploring Operation: 10*58=580, Resulting Numbers: [580] 580,21 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[63, 10, 13], Operations: ['67-54=13'] Exploring Operation: 63-10=53, Resulting Numbers: [13, 53] Generated Node #0,0,0: 21:[13, 53] Operation: 63-10=53 Exploring Operation: 13-10=3, Resulting Numbers: [63, 3] Generated Node #0,0,1: 21:[63, 3] Operation: 13-10=3 Exploring Operation: 63-13=50, Resulting Numbers: [10, 50] Generated Node #0,0,2: 21:[10, 50] Operation: 63-13=50 Exploring Operation: 10+13=23, Resulting Numbers: [63, 23] Generated Node #0,0,3: 21:[63, 23] Operation: 10+13=23 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[10, 50], Operations: ['67-54=13', '63-13=50'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,21 unequal: No Solution Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[13, 53], Operations: ['67-54=13', '63-10=53'] Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 13*53=689, Resulting Numbers: [689] 689,21 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[63, 3], Operations: ['67-54=13', '13-10=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,21 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[63, 54, 10, 67], Operations: [] Exploring Operation: 67-54=13, Resulting Numbers: [63, 10, 13] Generated Node #0,0: 21:[63, 10, 13] Operation: 67-54=13 Moving to Node #0,0 Current State: 21:[63, 10, 13], Operations: ['67-54=13'] Exploring Operation: 13-10=3, Resulting Numbers: [63, 3] Generated Node #0,0,1: 21:[63, 3] Operation: 13-10=3 Moving to Node #0,0,1 Current State: 21:[63, 3], Operations: ['67-54=13', '13-10=3'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_4
sum_heuristic
[ 8, 59, 9, 56 ]
96
[ "59+9=68", "68-56=12", "8*12=96" ]
Current State: 96:[8, 59, 9, 56], Operations: [] Exploring Operation: 59+9=68, Resulting Numbers: [8, 56, 68] Generated Node #2: [8, 56, 68] from Operation: 59+9=68 Current State: 96:[8, 56, 68], Operations: ['59+9=68'] Exploring Operation: 68-56=12, Resulting Numbers: [8, 12] Generated Node #3: [8, 12] from Operation: 68-56=12 Current State: 96:[8, 12], Operations: ['59+9=68', '68-56=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[8, 59, 9, 56], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [8, 9, 3] Generated Node #0,0: 96:[8, 9, 3] Operation: 59-56=3 Exploring Operation: 56-8=48, Resulting Numbers: [59, 9, 48] Generated Node #0,1: 96:[59, 9, 48] Operation: 56-8=48 Exploring Operation: 59-9=50, Resulting Numbers: [8, 56, 50] Generated Node #0,2: 96:[8, 56, 50] Operation: 59-9=50 Exploring Operation: 59-8=51, Resulting Numbers: [9, 56, 51] Generated Node #0,3: 96:[9, 56, 51] Operation: 59-8=51 Exploring Operation: 56-9=47, Resulting Numbers: [8, 59, 47] Generated Node #0,4: 96:[8, 59, 47] Operation: 56-9=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[8, 9, 3], Operations: ['59-56=3'] Exploring Operation: 9+3=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 96:[8, 12] Operation: 9+3=12 Exploring Operation: 8+9=17, Resulting Numbers: [3, 17] Generated Node #0,0,1: 96:[3, 17] Operation: 8+9=17 Exploring Operation: 9-3=6, Resulting Numbers: [8, 6] Generated Node #0,0,2: 96:[8, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [8, 3] Generated Node #0,0,3: 96:[8, 3] Operation: 9/3=3 Exploring Operation: 9-8=1, Resulting Numbers: [3, 1] Generated Node #0,0,4: 96:[3, 1] Operation: 9-8=1 Moving to Node #0,0,0 Current State: 96:[8, 12], Operations: ['59-56=3', '9+3=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[8, 59, 9, 56], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [8, 9, 3] Generated Node #0,0: 96:[8, 9, 3] Operation: 59-56=3 Moving to Node #0,0 Current State: 96:[8, 9, 3], Operations: ['59-56=3'] Exploring Operation: 9+3=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 96:[8, 12] Operation: 9+3=12 Moving to Node #0,0,0 Current State: 96:[8, 12], Operations: ['59-56=3', '9+3=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic