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
[ 20, 29, 3, 4 ]
15
[ "20+29=49", "49-4=45", "45/3=15" ]
Current State: 15:[20, 29, 3, 4], Operations: [] Exploring Operation: 20+29=49, Resulting Numbers: [3, 4, 49] Generated Node #2: [3, 4, 49] from Operation: 20+29=49 Current State: 15:[3, 4, 49], Operations: ['20+29=49'] Exploring Operation: 49-4=45, Resulting Numbers: [3, 45] Generated Node #3: [3, 45] from Operation: 49-4=45 Current State: 15:[3, 45], Operations: ['20+29=49', '49-4=45'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[20, 29, 3, 4], Operations: [] Exploring Operation: 29-20=9, Resulting Numbers: [3, 4, 9] Generated Node #0,0: 15:[3, 4, 9] Operation: 29-20=9 Exploring Operation: 20/4=5, Resulting Numbers: [29, 3, 5] Generated Node #0,1: 15:[29, 3, 5] Operation: 20/4=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[3, 4, 9], Operations: ['29-20=9'] Exploring Operation: 9-4=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 15:[3, 5] Operation: 9-4=5 Exploring Operation: 9/3=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 15:[4, 3] Operation: 9/3=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[3, 5], Operations: ['29-20=9', '9-4=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[20, 29, 3, 4], Operations: [] Exploring Operation: 29-20=9, Resulting Numbers: [3, 4, 9] Generated Node #0,0: 15:[3, 4, 9] Operation: 29-20=9 Moving to Node #0,0 Current State: 15:[3, 4, 9], Operations: ['29-20=9'] Exploring Operation: 9-4=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 15:[3, 5] Operation: 9-4=5 Moving to Node #0,0,0 Current State: 15:[3, 5], Operations: ['29-20=9', '9-4=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 22, 65, 12, 96 ]
21
[ "22+65=87", "12+96=108", "108-87=21" ]
Current State: 21:[22, 65, 12, 96], Operations: [] Exploring Operation: 22+65=87, Resulting Numbers: [12, 96, 87] Generated Node #2: [12, 96, 87] from Operation: 22+65=87 Current State: 21:[12, 96, 87], Operations: ['22+65=87'] Exploring Operation: 12+96=108, Resulting Numbers: [87, 108] Generated Node #3: [87, 108] from Operation: 12+96=108 Current State: 21:[87, 108], Operations: ['22+65=87', '12+96=108'] Exploring Operation: 108-87=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[22, 65, 12, 96], Operations: [] Exploring Operation: 96-65=31, Resulting Numbers: [22, 12, 31] Generated Node #0,0: 21:[22, 12, 31] Operation: 96-65=31 Moving to Node #0,0 Current State: 21:[22, 12, 31], Operations: ['96-65=31'] Exploring Operation: 31-12=19, Resulting Numbers: [22, 19] Generated Node #0,0,0: 21:[22, 19] Operation: 31-12=19 Moving to Node #0,0,0 Current State: 21:[22, 19], Operations: ['96-65=31', '31-12=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 68, 80, 61, 59 ]
10
[ "80-68=12", "61+59=120", "120/12=10" ]
Current State: 10:[68, 80, 61, 59], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [61, 59, 12] Generated Node #2: [61, 59, 12] from Operation: 80-68=12 Current State: 10:[61, 59, 12], Operations: ['80-68=12'] Exploring Operation: 61+59=120, Resulting Numbers: [12, 120] Generated Node #3: [12, 120] from Operation: 61+59=120 Current State: 10:[12, 120], Operations: ['80-68=12', '61+59=120'] Exploring Operation: 120/12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[68, 80, 61, 59], Operations: [] Exploring Operation: 68-61=7, Resulting Numbers: [80, 59, 7] Generated Node #0,0: 10:[80, 59, 7] Operation: 68-61=7 Exploring Operation: 80-68=12, Resulting Numbers: [61, 59, 12] Generated Node #0,1: 10:[61, 59, 12] Operation: 80-68=12 Exploring Operation: 80-61=19, Resulting Numbers: [68, 59, 19] Generated Node #0,2: 10:[68, 59, 19] Operation: 80-61=19 Exploring Operation: 80-59=21, Resulting Numbers: [68, 61, 21] Generated Node #0,3: 10:[68, 61, 21] Operation: 80-59=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[61, 59, 12], Operations: ['80-68=12'] Exploring Operation: 61-59=2, Resulting Numbers: [12, 2] Generated Node #0,1,0: 10:[12, 2] Operation: 61-59=2 Exploring Operation: 59-12=47, Resulting Numbers: [61, 47] Generated Node #0,1,1: 10:[61, 47] Operation: 59-12=47 Exploring Operation: 61+59=120, Resulting Numbers: [12, 120] Generated Node #0,1,2: 10:[12, 120] Operation: 61+59=120 Exploring Operation: 61-12=49, Resulting Numbers: [59, 49] Generated Node #0,1,3: 10:[59, 49] Operation: 61-12=49 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[12, 2], Operations: ['80-68=12', '61-59=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[68, 80, 61, 59], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [61, 59, 12] Generated Node #0,1: 10:[61, 59, 12] Operation: 80-68=12 Moving to Node #0,1 Current State: 10:[61, 59, 12], Operations: ['80-68=12'] Exploring Operation: 61-59=2, Resulting Numbers: [12, 2] Generated Node #0,1,0: 10:[12, 2] Operation: 61-59=2 Moving to Node #0,1,0 Current State: 10:[12, 2], Operations: ['80-68=12', '61-59=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 74, 26, 8, 12 ]
68
[ "74-26=48", "8+12=20", "48+20=68" ]
Current State: 68:[74, 26, 8, 12], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [8, 12, 48] Generated Node #2: [8, 12, 48] from Operation: 74-26=48 Current State: 68:[8, 12, 48], Operations: ['74-26=48'] Exploring Operation: 8+12=20, Resulting Numbers: [48, 20] Generated Node #3: [48, 20] from Operation: 8+12=20 Current State: 68:[48, 20], Operations: ['74-26=48', '8+12=20'] Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[74, 26, 8, 12], Operations: [] Exploring Operation: 26-8=18, Resulting Numbers: [74, 12, 18] Generated Node #0,0: 68:[74, 12, 18] Operation: 26-8=18 Exploring Operation: 26+8=34, Resulting Numbers: [74, 12, 34] Generated Node #0,1: 68:[74, 12, 34] Operation: 26+8=34 Moving to Node #0,1 Current State: 68:[74, 12, 34], Operations: ['26+8=34'] Exploring Operation: 74-34=40, Resulting Numbers: [12, 40] Generated Node #0,1,0: 68:[12, 40] Operation: 74-34=40 Exploring Operation: 74-12=62, Resulting Numbers: [34, 62] Generated Node #0,1,1: 68:[34, 62] Operation: 74-12=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[34, 62], Operations: ['26+8=34', '74-12=62'] Exploring Operation: 34+62=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[12, 40], Operations: ['26+8=34', '74-34=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,68 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: 68:[74, 12, 18], Operations: ['26-8=18'] Exploring Operation: 74-12=62, Resulting Numbers: [18, 62] Generated Node #0,0,0: 68:[18, 62] Operation: 74-12=62 Exploring Operation: 18-12=6, Resulting Numbers: [74, 6] Generated Node #0,0,1: 68:[74, 6] Operation: 18-12=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[18, 62], Operations: ['26-8=18', '74-12=62'] Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,68 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[74, 6], Operations: ['26-8=18', '18-12=6'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[74, 26, 8, 12], Operations: [] Exploring Operation: 26-8=18, Resulting Numbers: [74, 12, 18] Generated Node #0,0: 68:[74, 12, 18] Operation: 26-8=18 Moving to Node #0,0 Current State: 68:[74, 12, 18], Operations: ['26-8=18'] Exploring Operation: 18-12=6, Resulting Numbers: [74, 6] Generated Node #0,0,1: 68:[74, 6] Operation: 18-12=6 Moving to Node #0,0,1 Current State: 68:[74, 6], Operations: ['26-8=18', '18-12=6'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 32, 32, 1, 97 ]
97
[ "32-32=0", "1*97=97", "0+97=97" ]
Current State: 97:[32, 32, 1, 97], Operations: [] Exploring Operation: 32-32=0, Resulting Numbers: [1, 97, 0] Generated Node #2: [1, 97, 0] from Operation: 32-32=0 Current State: 97:[1, 97, 0], Operations: ['32-32=0'] Exploring Operation: 1*97=97, Resulting Numbers: [0, 97] Generated Node #3: [0, 97] from Operation: 1*97=97 Current State: 97:[0, 97], Operations: ['32-32=0', '1*97=97'] Exploring Operation: 0+97=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[32, 32, 1, 97], Operations: [] Exploring Operation: 32+1=33, Resulting Numbers: [32, 97, 33] Generated Node #0,0: 97:[32, 97, 33] Operation: 32+1=33 Exploring Operation: 32*1=32, Resulting Numbers: [32, 97, 32] Generated Node #0,1: 97:[32, 97, 32] Operation: 32*1=32 Exploring Operation: 32+32=64, Resulting Numbers: [1, 97, 64] Generated Node #0,2: 97:[1, 97, 64] Operation: 32+32=64 Exploring Operation: 32+1=33, Resulting Numbers: [32, 97, 33] Generated Node #0,3: 97:[32, 97, 33] Operation: 32+1=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[32, 97, 33], Operations: ['32+1=33'] Exploring Operation: 32+33=65, Resulting Numbers: [97, 65] Generated Node #0,0,0: 97:[97, 65] Operation: 32+33=65 Exploring Operation: 33-32=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 97:[97, 1] Operation: 33-32=1 Exploring Operation: 97-32=65, Resulting Numbers: [33, 65] Generated Node #0,0,2: 97:[33, 65] Operation: 97-32=65 Exploring Operation: 32+97=129, Resulting Numbers: [33, 129] Generated Node #0,0,3: 97:[33, 129] Operation: 32+97=129 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[97, 65], Operations: ['32+1=33', '32+33=65'] Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 97*65=6305, Resulting Numbers: [6305] 6305,97 unequal: No Solution Exploring Operation: 97+65=162, Resulting Numbers: [162] 162,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[97, 1], Operations: ['32+1=33', '33-32=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[32, 32, 1, 97], Operations: [] Exploring Operation: 32+1=33, Resulting Numbers: [32, 97, 33] Generated Node #0,0: 97:[32, 97, 33] Operation: 32+1=33 Moving to Node #0,0 Current State: 97:[32, 97, 33], Operations: ['32+1=33'] Exploring Operation: 33-32=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 97:[97, 1] Operation: 33-32=1 Moving to Node #0,0,1 Current State: 97:[97, 1], Operations: ['32+1=33', '33-32=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 80, 72, 47, 62 ]
23
[ "80-72=8", "62-47=15", "8+15=23" ]
Current State: 23:[80, 72, 47, 62], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [47, 62, 8] Generated Node #2: [47, 62, 8] from Operation: 80-72=8 Current State: 23:[47, 62, 8], Operations: ['80-72=8'] Exploring Operation: 62-47=15, Resulting Numbers: [8, 15] Generated Node #3: [8, 15] from Operation: 62-47=15 Current State: 23:[8, 15], Operations: ['80-72=8', '62-47=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[80, 72, 47, 62], Operations: [] Exploring Operation: 80-62=18, Resulting Numbers: [72, 47, 18] Generated Node #0,0: 23:[72, 47, 18] Operation: 80-62=18 Exploring Operation: 80-72=8, Resulting Numbers: [47, 62, 8] Generated Node #0,1: 23:[47, 62, 8] Operation: 80-72=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[72, 47, 18], Operations: ['80-62=18'] Exploring Operation: 72/18=4, Resulting Numbers: [47, 4] Generated Node #0,0,0: 23:[47, 4] Operation: 72/18=4 Exploring Operation: 72-47=25, Resulting Numbers: [18, 25] Generated Node #0,0,1: 23:[18, 25] Operation: 72-47=25 Moving to Node #0,0,1 Current State: 23:[18, 25], Operations: ['80-62=18', '72-47=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[47, 4], Operations: ['80-62=18', '72/18=4'] Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[47, 62, 8], Operations: ['80-72=8'] Exploring Operation: 62-47=15, Resulting Numbers: [8, 15] Generated Node #0,1,0: 23:[8, 15] Operation: 62-47=15 Exploring Operation: 47-8=39, Resulting Numbers: [62, 39] Generated Node #0,1,1: 23:[62, 39] Operation: 47-8=39 Moving to Node #0,1,0 Current State: 23:[8, 15], Operations: ['80-72=8', '62-47=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[80, 72, 47, 62], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [47, 62, 8] Generated Node #0,1: 23:[47, 62, 8] Operation: 80-72=8 Moving to Node #0,1 Current State: 23:[47, 62, 8], Operations: ['80-72=8'] Exploring Operation: 62-47=15, Resulting Numbers: [8, 15] Generated Node #0,1,0: 23:[8, 15] Operation: 62-47=15 Moving to Node #0,1,0 Current State: 23:[8, 15], Operations: ['80-72=8', '62-47=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 35, 7, 37, 39 ]
23
[ "37-35=2", "7+39=46", "46/2=23" ]
Current State: 23:[35, 7, 37, 39], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [7, 39, 2] Generated Node #2: [7, 39, 2] from Operation: 37-35=2 Current State: 23:[7, 39, 2], Operations: ['37-35=2'] Exploring Operation: 7+39=46, Resulting Numbers: [2, 46] Generated Node #3: [2, 46] from Operation: 7+39=46 Current State: 23:[2, 46], Operations: ['37-35=2', '7+39=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[35, 7, 37, 39], Operations: [] Exploring Operation: 39-7=32, Resulting Numbers: [35, 37, 32] Generated Node #0,0: 23:[35, 37, 32] Operation: 39-7=32 Exploring Operation: 35+7=42, Resulting Numbers: [37, 39, 42] Generated Node #0,1: 23:[37, 39, 42] Operation: 35+7=42 Exploring Operation: 35/7=5, Resulting Numbers: [37, 39, 5] Generated Node #0,2: 23:[37, 39, 5] Operation: 35/7=5 Exploring Operation: 37-7=30, Resulting Numbers: [35, 39, 30] Generated Node #0,3: 23:[35, 39, 30] Operation: 37-7=30 Exploring Operation: 35-7=28, Resulting Numbers: [37, 39, 28] Generated Node #0,4: 23:[37, 39, 28] Operation: 35-7=28 Moving to Node #0,0 Current State: 23:[35, 37, 32], Operations: ['39-7=32'] Exploring Operation: 35-32=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 23:[37, 3] Operation: 35-32=3 Exploring Operation: 35+32=67, Resulting Numbers: [37, 67] Generated Node #0,0,1: 23:[37, 67] Operation: 35+32=67 Exploring Operation: 37-35=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 23:[32, 2] Operation: 37-35=2 Exploring Operation: 37-32=5, Resulting Numbers: [35, 5] Generated Node #0,0,3: 23:[35, 5] Operation: 37-32=5 Exploring Operation: 35+37=72, Resulting Numbers: [32, 72] Generated Node #0,0,4: 23:[32, 72] Operation: 35+37=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[32, 2], Operations: ['39-7=32', '37-35=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[35, 5], Operations: ['39-7=32', '37-32=5'] Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,23 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[37, 3], Operations: ['39-7=32', '35-32=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,23 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[37, 67], Operations: ['39-7=32', '35+32=67'] Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 37*67=2479, Resulting Numbers: [2479] 2479,23 unequal: No Solution Exploring Operation: 37+67=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 23:[32, 72], Operations: ['39-7=32', '35+37=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,23 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: 23:[37, 39, 28], Operations: ['35-7=28'] Exploring Operation: 37-28=9, Resulting Numbers: [39, 9] Generated Node #0,4,0: 23:[39, 9] Operation: 37-28=9 Exploring Operation: 37+28=65, Resulting Numbers: [39, 65] Generated Node #0,4,1: 23:[39, 65] Operation: 37+28=65 Exploring Operation: 39-37=2, Resulting Numbers: [28, 2] Generated Node #0,4,2: 23:[28, 2] Operation: 39-37=2 Exploring Operation: 37+39=76, Resulting Numbers: [28, 76] Generated Node #0,4,3: 23:[28, 76] Operation: 37+39=76 Exploring Operation: 39-28=11, Resulting Numbers: [37, 11] Generated Node #0,4,4: 23:[37, 11] Operation: 39-28=11 Moving to Node #0,3 Current State: 23:[35, 39, 30], Operations: ['37-7=30'] Exploring Operation: 35+39=74, Resulting Numbers: [30, 74] Generated Node #0,3,0: 23:[30, 74] Operation: 35+39=74 Exploring Operation: 39-30=9, Resulting Numbers: [35, 9] Generated Node #0,3,1: 23:[35, 9] Operation: 39-30=9 Exploring Operation: 39-35=4, Resulting Numbers: [30, 4] Generated Node #0,3,2: 23:[30, 4] Operation: 39-35=4 Exploring Operation: 35-30=5, Resulting Numbers: [39, 5] Generated Node #0,3,3: 23:[39, 5] Operation: 35-30=5 Exploring Operation: 35+30=65, Resulting Numbers: [39, 65] Generated Node #0,3,4: 23:[39, 65] Operation: 35+30=65 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[35, 9], Operations: ['37-7=30', '39-30=9'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[30, 4], Operations: ['37-7=30', '39-35=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 23:[39, 5], Operations: ['37-7=30', '35-30=5'] Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,23 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 23:[30, 74], Operations: ['37-7=30', '35+39=74'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,23 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 23:[39, 65], Operations: ['37-7=30', '35+30=65'] Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,23 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: 23:[37, 39, 5], Operations: ['35/7=5'] Exploring Operation: 39+5=44, Resulting Numbers: [37, 44] Generated Node #0,2,0: 23:[37, 44] Operation: 39+5=44 Exploring Operation: 39-5=34, Resulting Numbers: [37, 34] Generated Node #0,2,1: 23:[37, 34] Operation: 39-5=34 Exploring Operation: 37+5=42, Resulting Numbers: [39, 42] Generated Node #0,2,2: 23:[39, 42] Operation: 37+5=42 Exploring Operation: 37-5=32, Resulting Numbers: [39, 32] Generated Node #0,2,3: 23:[39, 32] Operation: 37-5=32 Exploring Operation: 39-37=2, Resulting Numbers: [5, 2] Generated Node #0,2,4: 23:[5, 2] Operation: 39-37=2 Moving to Node #0,1 Current State: 23:[37, 39, 42], Operations: ['35+7=42'] Exploring Operation: 39-37=2, Resulting Numbers: [42, 2] Generated Node #0,1,0: 23:[42, 2] Operation: 39-37=2 Exploring Operation: 37+42=79, Resulting Numbers: [39, 79] Generated Node #0,1,1: 23:[39, 79] Operation: 37+42=79 Exploring Operation: 37+39=76, Resulting Numbers: [42, 76] Generated Node #0,1,2: 23:[42, 76] Operation: 37+39=76 Exploring Operation: 42-39=3, Resulting Numbers: [37, 3] Generated Node #0,1,3: 23:[37, 3] Operation: 42-39=3 Exploring Operation: 42-37=5, Resulting Numbers: [39, 5] Generated Node #0,1,4: 23:[39, 5] Operation: 42-37=5 Moving to Node #0,2,1 Current State: 23:[37, 34], Operations: ['35/7=5', '39-5=34'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,23 unequal: No Solution Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[39, 32], Operations: ['35/7=5', '37-5=32'] Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,23 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[28, 2], Operations: ['35-7=28', '39-37=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[37, 11], Operations: ['35-7=28', '39-28=11'] Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,23 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[39, 9], Operations: ['35-7=28', '37-28=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,23 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[39, 5], Operations: ['35+7=42', '42-37=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[37, 3], Operations: ['35+7=42', '42-39=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,23 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[37, 44], Operations: ['35/7=5', '39+5=44'] Exploring Operation: 37*44=1628, Resulting Numbers: [1628] 1628,23 unequal: No Solution Exploring Operation: 37+44=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[39, 42], Operations: ['35/7=5', '37+5=42'] Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[5, 2], Operations: ['35/7=5', '39-37=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[42, 2], Operations: ['35+7=42', '39-37=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,23 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,23 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[28, 76], Operations: ['35-7=28', '37+39=76'] Exploring Operation: 28+76=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 28*76=2128, Resulting Numbers: [2128] 2128,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[39, 65], Operations: ['35-7=28', '37+28=65'] Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,23 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[39, 79], Operations: ['35+7=42', '37+42=79'] Exploring Operation: 39*79=3081, Resulting Numbers: [3081] 3081,23 unequal: No Solution Exploring Operation: 39+79=118, Resulting Numbers: [118] 118,23 unequal: No Solution Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[42, 76], Operations: ['35+7=42', '37+39=76'] Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,23 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,23 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 81, 68, 32, 12 ]
32
[ "81-68=13", "13-12=1", "32*1=32" ]
Current State: 32:[81, 68, 32, 12], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [32, 12, 13] Generated Node #2: [32, 12, 13] from Operation: 81-68=13 Current State: 32:[32, 12, 13], Operations: ['81-68=13'] Exploring Operation: 13-12=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 13-12=1 Current State: 32:[32, 1], Operations: ['81-68=13', '13-12=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[81, 68, 32, 12], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [68, 12, 49] Generated Node #0,0: 32:[68, 12, 49] Operation: 81-32=49 Exploring Operation: 81-68=13, Resulting Numbers: [32, 12, 13] Generated Node #0,1: 32:[32, 12, 13] Operation: 81-68=13 Exploring Operation: 68-32=36, Resulting Numbers: [81, 12, 36] Generated Node #0,2: 32:[81, 12, 36] Operation: 68-32=36 Exploring Operation: 81-12=69, Resulting Numbers: [68, 32, 69] Generated Node #0,3: 32:[68, 32, 69] Operation: 81-12=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[32, 12, 13], Operations: ['81-68=13'] Exploring Operation: 32-12=20, Resulting Numbers: [13, 20] Generated Node #0,1,0: 32:[13, 20] Operation: 32-12=20 Exploring Operation: 13-12=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 32:[32, 1] Operation: 13-12=1 Exploring Operation: 32-13=19, Resulting Numbers: [12, 19] Generated Node #0,1,2: 32:[12, 19] Operation: 32-13=19 Exploring Operation: 12+13=25, Resulting Numbers: [32, 25] Generated Node #0,1,3: 32:[32, 25] Operation: 12+13=25 Moving to Node #0,1,1 Current State: 32:[32, 1], Operations: ['81-68=13', '13-12=1'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[81, 68, 32, 12], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [32, 12, 13] Generated Node #0,1: 32:[32, 12, 13] Operation: 81-68=13 Moving to Node #0,1 Current State: 32:[32, 12, 13], Operations: ['81-68=13'] Exploring Operation: 13-12=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 32:[32, 1] Operation: 13-12=1 Moving to Node #0,1,1 Current State: 32:[32, 1], Operations: ['81-68=13', '13-12=1'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 19, 86, 51, 58 ]
98
[ "19+86=105", "58-51=7", "105-7=98" ]
Current State: 98:[19, 86, 51, 58], Operations: [] Exploring Operation: 19+86=105, Resulting Numbers: [51, 58, 105] Generated Node #2: [51, 58, 105] from Operation: 19+86=105 Current State: 98:[51, 58, 105], Operations: ['19+86=105'] Exploring Operation: 58-51=7, Resulting Numbers: [105, 7] Generated Node #3: [105, 7] from Operation: 58-51=7 Current State: 98:[105, 7], Operations: ['19+86=105', '58-51=7'] Exploring Operation: 105-7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[19, 86, 51, 58], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [19, 86, 7] Generated Node #0,0: 98:[19, 86, 7] Operation: 58-51=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[19, 86, 7], Operations: ['58-51=7'] Exploring Operation: 19+86=105, Resulting Numbers: [7, 105] Generated Node #0,0,0: 98:[7, 105] Operation: 19+86=105 Moving to Node #0,0,0 Current State: 98:[7, 105], Operations: ['58-51=7', '19+86=105'] Exploring Operation: 105-7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[19, 86, 51, 58], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [19, 86, 7] Generated Node #0,0: 98:[19, 86, 7] Operation: 58-51=7 Moving to Node #0,0 Current State: 98:[19, 86, 7], Operations: ['58-51=7'] Exploring Operation: 19+86=105, Resulting Numbers: [7, 105] Generated Node #0,0,0: 98:[7, 105] Operation: 19+86=105 Moving to Node #0,0,0 Current State: 98:[7, 105], Operations: ['58-51=7', '19+86=105'] Exploring Operation: 105-7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 15, 75, 60, 73 ]
73
[ "75-15=60", "60+73=133", "133-60=73" ]
Current State: 73:[15, 75, 60, 73], Operations: [] Exploring Operation: 75-15=60, Resulting Numbers: [60, 73, 60] Generated Node #2: [60, 73, 60] from Operation: 75-15=60 Current State: 73:[60, 73, 60], Operations: ['75-15=60'] Exploring Operation: 60+73=133, Resulting Numbers: [133] 133,73 equal: Goal Reached Exploring Operation: 133-60=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[15, 75, 60, 73], Operations: [] Exploring Operation: 15+60=75, Resulting Numbers: [75, 73, 75] Generated Node #0,0: 73:[75, 73, 75] Operation: 15+60=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[75, 73, 75], Operations: ['15+60=75'] Exploring Operation: 75/75=1, Resulting Numbers: [73, 1] Generated Node #0,0,0: 73:[73, 1] Operation: 75/75=1 Moving to Node #0,0,0 Current State: 73:[73, 1], Operations: ['15+60=75', '75/75=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[15, 75, 60, 73], Operations: [] Exploring Operation: 15+60=75, Resulting Numbers: [75, 73, 75] Generated Node #0,0: 73:[75, 73, 75] Operation: 15+60=75 Moving to Node #0,0 Current State: 73:[75, 73, 75], Operations: ['15+60=75'] Exploring Operation: 75/75=1, Resulting Numbers: [73, 1] Generated Node #0,0,0: 73:[73, 1] Operation: 75/75=1 Moving to Node #0,0,0 Current State: 73:[73, 1], Operations: ['15+60=75', '75/75=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 80, 28, 66, 5 ]
70
[ "80-28=52", "66-52=14", "5*14=70" ]
Current State: 70:[80, 28, 66, 5], Operations: [] Exploring Operation: 80-28=52, Resulting Numbers: [66, 5, 52] Generated Node #2: [66, 5, 52] from Operation: 80-28=52 Current State: 70:[66, 5, 52], Operations: ['80-28=52'] Exploring Operation: 66-52=14, Resulting Numbers: [5, 14] Generated Node #3: [5, 14] from Operation: 66-52=14 Current State: 70:[5, 14], Operations: ['80-28=52', '66-52=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[80, 28, 66, 5], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [28, 66, 16] Generated Node #0,0: 70:[28, 66, 16] Operation: 80/5=16 Exploring Operation: 80-66=14, Resulting Numbers: [28, 5, 14] Generated Node #0,1: 70:[28, 5, 14] Operation: 80-66=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[28, 5, 14], Operations: ['80-66=14'] Exploring Operation: 28/14=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 70:[5, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [5, 14] Generated Node #0,1,1: 70:[5, 14] Operation: 28-14=14 Moving to Node #0,1,0 Current State: 70:[5, 2], Operations: ['80-66=14', '28/14=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[5, 14], Operations: ['80-66=14', '28-14=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[80, 28, 66, 5], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [28, 5, 14] Generated Node #0,1: 70:[28, 5, 14] Operation: 80-66=14 Moving to Node #0,1 Current State: 70:[28, 5, 14], Operations: ['80-66=14'] Exploring Operation: 28-14=14, Resulting Numbers: [5, 14] Generated Node #0,1,1: 70:[5, 14] Operation: 28-14=14 Moving to Node #0,1,1 Current State: 70:[5, 14], Operations: ['80-66=14', '28-14=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 54, 44, 79, 5 ]
81
[ "54-44=10", "10/5=2", "79+2=81" ]
Current State: 81:[54, 44, 79, 5], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [79, 5, 10] Generated Node #2: [79, 5, 10] from Operation: 54-44=10 Current State: 81:[79, 5, 10], Operations: ['54-44=10'] Exploring Operation: 10/5=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 10/5=2 Current State: 81:[79, 2], Operations: ['54-44=10', '10/5=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[54, 44, 79, 5], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [79, 5, 10] Generated Node #0,0: 81:[79, 5, 10] Operation: 54-44=10 Exploring Operation: 54+44=98, Resulting Numbers: [79, 5, 98] Generated Node #0,1: 81:[79, 5, 98] Operation: 54+44=98 Moving to Node #0,0 Current State: 81:[79, 5, 10], Operations: ['54-44=10'] Exploring Operation: 79+5=84, Resulting Numbers: [10, 84] Generated Node #0,0,0: 81:[10, 84] Operation: 79+5=84 Exploring Operation: 10/5=2, Resulting Numbers: [79, 2] Generated Node #0,0,1: 81:[79, 2] Operation: 10/5=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[79, 2], Operations: ['54-44=10', '10/5=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[54, 44, 79, 5], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [79, 5, 10] Generated Node #0,0: 81:[79, 5, 10] Operation: 54-44=10 Moving to Node #0,0 Current State: 81:[79, 5, 10], Operations: ['54-44=10'] Exploring Operation: 10/5=2, Resulting Numbers: [79, 2] Generated Node #0,0,1: 81:[79, 2] Operation: 10/5=2 Moving to Node #0,0,1 Current State: 81:[79, 2], Operations: ['54-44=10', '10/5=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 21, 11, 6, 30 ]
94
[ "21*30=630", "630/6=105", "105-11=94" ]
Current State: 94:[21, 11, 6, 30], Operations: [] Exploring Operation: 21*30=630, Resulting Numbers: [11, 6, 630] Generated Node #2: [11, 6, 630] from Operation: 21*30=630 Current State: 94:[11, 6, 630], Operations: ['21*30=630'] Exploring Operation: 630/6=105, Resulting Numbers: [11, 105] Generated Node #3: [11, 105] from Operation: 630/6=105 Current State: 94:[11, 105], Operations: ['21*30=630', '630/6=105'] Exploring Operation: 105-11=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[21, 11, 6, 30], Operations: [] Exploring Operation: 21+30=51, Resulting Numbers: [11, 6, 51] Generated Node #0,0: 94:[11, 6, 51] Operation: 21+30=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[11, 6, 51], Operations: ['21+30=51'] Exploring Operation: 11-6=5, Resulting Numbers: [51, 5] Generated Node #0,0,0: 94:[51, 5] Operation: 11-6=5 Moving to Node #0,0,0 Current State: 94:[51, 5], Operations: ['21+30=51', '11-6=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,94 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
[ 31, 75, 22, 67 ]
72
[ "31-22=9", "75-67=8", "9*8=72" ]
Current State: 72:[31, 75, 22, 67], Operations: [] Exploring Operation: 31-22=9, Resulting Numbers: [75, 67, 9] Generated Node #2: [75, 67, 9] from Operation: 31-22=9 Current State: 72:[75, 67, 9], Operations: ['31-22=9'] Exploring Operation: 75-67=8, Resulting Numbers: [9, 8] Generated Node #3: [9, 8] from Operation: 75-67=8 Current State: 72:[9, 8], Operations: ['31-22=9', '75-67=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[31, 75, 22, 67], Operations: [] Exploring Operation: 67-31=36, Resulting Numbers: [75, 22, 36] Generated Node #0,0: 72:[75, 22, 36] Operation: 67-31=36 Exploring Operation: 75-67=8, Resulting Numbers: [31, 22, 8] Generated Node #0,1: 72:[31, 22, 8] Operation: 75-67=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[75, 22, 36], Operations: ['67-31=36'] Exploring Operation: 75-36=39, Resulting Numbers: [22, 39] Generated Node #0,0,0: 72:[22, 39] Operation: 75-36=39 Exploring Operation: 36-22=14, Resulting Numbers: [75, 14] Generated Node #0,0,1: 72:[75, 14] Operation: 36-22=14 Moving to Node #0,0,0 Current State: 72:[22, 39], Operations: ['67-31=36', '75-36=39'] Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,72 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[75, 14], Operations: ['67-31=36', '36-22=14'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,72 unequal: No Solution Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[31, 22, 8], Operations: ['75-67=8'] Exploring Operation: 31-22=9, Resulting Numbers: [8, 9] Generated Node #0,1,0: 72:[8, 9] Operation: 31-22=9 Exploring Operation: 31-8=23, Resulting Numbers: [22, 23] Generated Node #0,1,1: 72:[22, 23] Operation: 31-8=23 Moving to Node #0,1,0 Current State: 72:[8, 9], Operations: ['75-67=8', '31-22=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[31, 75, 22, 67], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [31, 22, 8] Generated Node #0,1: 72:[31, 22, 8] Operation: 75-67=8 Moving to Node #0,1 Current State: 72:[31, 22, 8], Operations: ['75-67=8'] Exploring Operation: 31-22=9, Resulting Numbers: [8, 9] Generated Node #0,1,0: 72:[8, 9] Operation: 31-22=9 Moving to Node #0,1,0 Current State: 72:[8, 9], Operations: ['75-67=8', '31-22=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 2, 75, 23, 6 ]
51
[ "23-2=21", "6*21=126", "126-75=51" ]
Current State: 51:[2, 75, 23, 6], Operations: [] Exploring Operation: 23-2=21, Resulting Numbers: [75, 6, 21] Generated Node #2: [75, 6, 21] from Operation: 23-2=21 Current State: 51:[75, 6, 21], Operations: ['23-2=21'] Exploring Operation: 6*21=126, Resulting Numbers: [75, 126] Generated Node #3: [75, 126] from Operation: 6*21=126 Current State: 51:[75, 126], Operations: ['23-2=21', '6*21=126'] Exploring Operation: 126-75=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[2, 75, 23, 6], Operations: [] Exploring Operation: 6/2=3, Resulting Numbers: [75, 23, 3] Generated Node #0,0: 51:[75, 23, 3] Operation: 6/2=3 Exploring Operation: 75-23=52, Resulting Numbers: [2, 6, 52] Generated Node #0,1: 51:[2, 6, 52] Operation: 75-23=52 Exploring Operation: 23-6=17, Resulting Numbers: [2, 75, 17] Generated Node #0,2: 51:[2, 75, 17] Operation: 23-6=17 Exploring Operation: 75-2=73, Resulting Numbers: [23, 6, 73] Generated Node #0,3: 51:[23, 6, 73] Operation: 75-2=73 Exploring Operation: 75-6=69, Resulting Numbers: [2, 23, 69] Generated Node #0,4: 51:[2, 23, 69] Operation: 75-6=69 Moving to Node #0,1 Current State: 51:[2, 6, 52], Operations: ['75-23=52'] Exploring Operation: 6/2=3, Resulting Numbers: [52, 3] Generated Node #0,1,0: 51:[52, 3] Operation: 6/2=3 Exploring Operation: 6-2=4, Resulting Numbers: [52, 4] Generated Node #0,1,1: 51:[52, 4] Operation: 6-2=4 Exploring Operation: 2*6=12, Resulting Numbers: [52, 12] Generated Node #0,1,2: 51:[52, 12] Operation: 2*6=12 Exploring Operation: 52-2=50, Resulting Numbers: [6, 50] Generated Node #0,1,3: 51:[6, 50] Operation: 52-2=50 Exploring Operation: 2+6=8, Resulting Numbers: [52, 8] Generated Node #0,1,4: 51:[52, 8] Operation: 2+6=8 Moving to Node #0,4 Current State: 51:[2, 23, 69], Operations: ['75-6=69'] Exploring Operation: 69-23=46, Resulting Numbers: [2, 46] Generated Node #0,4,0: 51:[2, 46] Operation: 69-23=46 Exploring Operation: 2*23=46, Resulting Numbers: [69, 46] Generated Node #0,4,1: 51:[69, 46] Operation: 2*23=46 Exploring Operation: 69/23=3, Resulting Numbers: [2, 3] Generated Node #0,4,2: 51:[2, 3] Operation: 69/23=3 Exploring Operation: 23-2=21, Resulting Numbers: [69, 21] Generated Node #0,4,3: 51:[69, 21] Operation: 23-2=21 Exploring Operation: 69-2=67, Resulting Numbers: [23, 67] Generated Node #0,4,4: 51:[23, 67] Operation: 69-2=67 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 51:[2, 3], Operations: ['75-6=69', '69/23=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 51:[2, 46], Operations: ['75-6=69', '69-23=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 51:[69, 21], Operations: ['75-6=69', '23-2=21'] Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 51:[23, 67], Operations: ['75-6=69', '69-2=67'] Exploring Operation: 23+67=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 23*67=1541, Resulting Numbers: [1541] 1541,51 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 51:[69, 46], Operations: ['75-6=69', '2*23=46'] Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,51 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,51 unequal: No Solution Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,51 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: 51:[2, 75, 17], Operations: ['23-6=17'] Exploring Operation: 17-2=15, Resulting Numbers: [75, 15] Generated Node #0,2,0: 51:[75, 15] Operation: 17-2=15 Exploring Operation: 2+75=77, Resulting Numbers: [17, 77] Generated Node #0,2,1: 51:[17, 77] Operation: 2+75=77 Exploring Operation: 2+17=19, Resulting Numbers: [75, 19] Generated Node #0,2,2: 51:[75, 19] Operation: 2+17=19 Exploring Operation: 75-2=73, Resulting Numbers: [17, 73] Generated Node #0,2,3: 51:[17, 73] Operation: 75-2=73 Exploring Operation: 75-17=58, Resulting Numbers: [2, 58] Generated Node #0,2,4: 51:[2, 58] Operation: 75-17=58 Moving to Node #0,0 Current State: 51:[75, 23, 3], Operations: ['6/2=3'] Exploring Operation: 75-3=72, Resulting Numbers: [23, 72] Generated Node #0,0,0: 51:[23, 72] Operation: 75-3=72 Exploring Operation: 75-23=52, Resulting Numbers: [3, 52] Generated Node #0,0,1: 51:[3, 52] Operation: 75-23=52 Exploring Operation: 75/3=25, Resulting Numbers: [23, 25] Generated Node #0,0,2: 51:[23, 25] Operation: 75/3=25 Exploring Operation: 23-3=20, Resulting Numbers: [75, 20] Generated Node #0,0,3: 51:[75, 20] Operation: 23-3=20 Exploring Operation: 75+3=78, Resulting Numbers: [23, 78] Generated Node #0,0,4: 51:[23, 78] Operation: 75+3=78 Moving to Node #0,3 Current State: 51:[23, 6, 73], Operations: ['75-2=73'] Exploring Operation: 73-6=67, Resulting Numbers: [23, 67] Generated Node #0,3,0: 51:[23, 67] Operation: 73-6=67 Exploring Operation: 6+73=79, Resulting Numbers: [23, 79] Generated Node #0,3,1: 51:[23, 79] Operation: 6+73=79 Exploring Operation: 23-6=17, Resulting Numbers: [73, 17] Generated Node #0,3,2: 51:[73, 17] Operation: 23-6=17 Exploring Operation: 23+6=29, Resulting Numbers: [73, 29] Generated Node #0,3,3: 51:[73, 29] Operation: 23+6=29 Exploring Operation: 73-23=50, Resulting Numbers: [6, 50] Generated Node #0,3,4: 51:[6, 50] Operation: 73-23=50 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 51:[6, 50], Operations: ['75-2=73', '73-23=50'] Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,51 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[23, 67], Operations: ['75-2=73', '73-6=67'] Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 23+67=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 23*67=1541, Resulting Numbers: [1541] 1541,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 51:[73, 17], Operations: ['75-2=73', '23-6=17'] Exploring Operation: 73*17=1241, Resulting Numbers: [1241] 1241,51 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 51:[23, 79], Operations: ['75-2=73', '6+73=79'] Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,51 unequal: No Solution Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[73, 29], Operations: ['75-2=73', '23+6=29'] Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,51 unequal: No Solution Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 51:[52, 3], Operations: ['75-23=52', '6/2=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[3, 52], Operations: ['6/2=3', '75-23=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[52, 4], Operations: ['75-23=52', '6-2=4'] Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,51 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[6, 50], Operations: ['75-23=52', '52-2=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,51 unequal: No Solution Moving to Node #0,1,4 Current State: 51:[52, 8], Operations: ['75-23=52', '2+6=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,51 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[52, 12], Operations: ['75-23=52', '2*6=12'] Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,51 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,2,4 Current State: 51:[2, 58], Operations: ['23-6=17', '75-17=58'] Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[23, 25], Operations: ['6/2=3', '75/3=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,51 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[17, 73], Operations: ['23-6=17', '75-2=73'] Exploring Operation: 17+73=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 17*73=1241, Resulting Numbers: [1241] 1241,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[75, 15], Operations: ['23-6=17', '17-2=15'] Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 75/15=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 75+15=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 75*15=1125, Resulting Numbers: [1125] 1125,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[75, 19], Operations: ['23-6=17', '2+17=19'] Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,51 unequal: No Solution Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,51 unequal: No Solution Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[17, 77], Operations: ['23-6=17', '2+75=77'] Exploring Operation: 17*77=1309, Resulting Numbers: [1309] 1309,51 unequal: No Solution Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 17+77=94, Resulting Numbers: [94] 94,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[23, 72], Operations: ['6/2=3', '75-3=72'] Exploring Operation: 23+72=95, Resulting Numbers: [95] 95,51 unequal: No Solution Exploring Operation: 23*72=1656, Resulting Numbers: [1656] 1656,51 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[75, 20], Operations: ['6/2=3', '23-3=20'] Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,51 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,51 unequal: No Solution Moving to Node #0,0,4 Current State: 51:[23, 78], Operations: ['6/2=3', '75+3=78'] Exploring Operation: 23*78=1794, Resulting Numbers: [1794] 1794,51 unequal: No Solution Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,51 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 27, 49, 70, 35 ]
24
[ "49-27=22", "70/35=2", "22+2=24" ]
Current State: 24:[27, 49, 70, 35], Operations: [] Exploring Operation: 49-27=22, Resulting Numbers: [70, 35, 22] Generated Node #2: [70, 35, 22] from Operation: 49-27=22 Current State: 24:[70, 35, 22], Operations: ['49-27=22'] Exploring Operation: 70/35=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 70/35=2 Current State: 24:[22, 2], Operations: ['49-27=22', '70/35=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[27, 49, 70, 35], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [27, 35, 21] Generated Node #0,0: 24:[27, 35, 21] Operation: 70-49=21 Exploring Operation: 70/35=2, Resulting Numbers: [27, 49, 2] Generated Node #0,1: 24:[27, 49, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [27, 49, 35] Generated Node #0,2: 24:[27, 49, 35] Operation: 70-35=35 Moving to Node #0,0 Current State: 24:[27, 35, 21], Operations: ['70-49=21'] Exploring Operation: 35-27=8, Resulting Numbers: [21, 8] Generated Node #0,0,0: 24:[21, 8] Operation: 35-27=8 Exploring Operation: 35-21=14, Resulting Numbers: [27, 14] Generated Node #0,0,1: 24:[27, 14] Operation: 35-21=14 Exploring Operation: 27-21=6, Resulting Numbers: [35, 6] Generated Node #0,0,2: 24:[35, 6] Operation: 27-21=6 Moving to Node #0,1 Current State: 24:[27, 49, 2], Operations: ['70/35=2'] Exploring Operation: 27-2=25, Resulting Numbers: [49, 25] Generated Node #0,1,0: 24:[49, 25] Operation: 27-2=25 Exploring Operation: 49-2=47, Resulting Numbers: [27, 47] Generated Node #0,1,1: 24:[27, 47] Operation: 49-2=47 Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #0,1,2: 24:[2, 22] Operation: 49-27=22 Moving to Node #0,2 Current State: 24:[27, 49, 35], Operations: ['70-35=35'] Exploring Operation: 35-27=8, Resulting Numbers: [49, 8] Generated Node #0,2,0: 24:[49, 8] Operation: 35-27=8 Exploring Operation: 49-27=22, Resulting Numbers: [35, 22] Generated Node #0,2,1: 24:[35, 22] Operation: 49-27=22 Exploring Operation: 49-35=14, Resulting Numbers: [27, 14] Generated Node #0,2,2: 24:[27, 14] Operation: 49-35=14 Moving to Node #0,1,2 Current State: 24:[2, 22], Operations: ['70/35=2', '49-27=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[27, 49, 70, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [27, 49, 2] Generated Node #0,1: 24:[27, 49, 2] Operation: 70/35=2 Moving to Node #0,1 Current State: 24:[27, 49, 2], Operations: ['70/35=2'] Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #0,1,2: 24:[2, 22] Operation: 49-27=22 Moving to Node #0,1,2 Current State: 24:[2, 22], Operations: ['70/35=2', '49-27=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 54, 21, 47, 35 ]
94
[ "54-21=33", "35-33=2", "47*2=94" ]
Current State: 94:[54, 21, 47, 35], Operations: [] Exploring Operation: 54-21=33, Resulting Numbers: [47, 35, 33] Generated Node #2: [47, 35, 33] from Operation: 54-21=33 Current State: 94:[47, 35, 33], Operations: ['54-21=33'] Exploring Operation: 35-33=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 35-33=2 Current State: 94:[47, 2], Operations: ['54-21=33', '35-33=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[54, 21, 47, 35], Operations: [] Exploring Operation: 35-21=14, Resulting Numbers: [54, 47, 14] Generated Node #0,0: 94:[54, 47, 14] Operation: 35-21=14 Exploring Operation: 21+35=56, Resulting Numbers: [54, 47, 56] Generated Node #0,1: 94:[54, 47, 56] Operation: 21+35=56 Exploring Operation: 54+35=89, Resulting Numbers: [21, 47, 89] Generated Node #0,2: 94:[21, 47, 89] Operation: 54+35=89 Moving to Node #0,1 Current State: 94:[54, 47, 56], Operations: ['21+35=56'] Exploring Operation: 56-47=9, Resulting Numbers: [54, 9] Generated Node #0,1,0: 94:[54, 9] Operation: 56-47=9 Exploring Operation: 54-47=7, Resulting Numbers: [56, 7] Generated Node #0,1,1: 94:[56, 7] Operation: 54-47=7 Exploring Operation: 56-54=2, Resulting Numbers: [47, 2] Generated Node #0,1,2: 94:[47, 2] Operation: 56-54=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[47, 2], Operations: ['21+35=56', '56-54=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[54, 21, 47, 35], Operations: [] Exploring Operation: 21+35=56, Resulting Numbers: [54, 47, 56] Generated Node #0,1: 94:[54, 47, 56] Operation: 21+35=56 Moving to Node #0,1 Current State: 94:[54, 47, 56], Operations: ['21+35=56'] Exploring Operation: 56-54=2, Resulting Numbers: [47, 2] Generated Node #0,1,2: 94:[47, 2] Operation: 56-54=2 Moving to Node #0,1,2 Current State: 94:[47, 2], Operations: ['21+35=56', '56-54=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 63, 95, 44, 53 ]
61
[ "63+95=158", "44+53=97", "158-97=61" ]
Current State: 61:[63, 95, 44, 53], Operations: [] Exploring Operation: 63+95=158, Resulting Numbers: [44, 53, 158] Generated Node #2: [44, 53, 158] from Operation: 63+95=158 Current State: 61:[44, 53, 158], Operations: ['63+95=158'] Exploring Operation: 44+53=97, Resulting Numbers: [158, 97] Generated Node #3: [158, 97] from Operation: 44+53=97 Current State: 61:[158, 97], Operations: ['63+95=158', '44+53=97'] Exploring Operation: 158-97=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[63, 95, 44, 53], Operations: [] Exploring Operation: 44+53=97, Resulting Numbers: [63, 95, 97] Generated Node #0,0: 61:[63, 95, 97] Operation: 44+53=97 Exploring Operation: 95-44=51, Resulting Numbers: [63, 53, 51] Generated Node #0,1: 61:[63, 53, 51] Operation: 95-44=51 Exploring Operation: 63-44=19, Resulting Numbers: [95, 53, 19] Generated Node #0,2: 61:[95, 53, 19] Operation: 63-44=19 Exploring Operation: 95-63=32, Resulting Numbers: [44, 53, 32] Generated Node #0,3: 61:[44, 53, 32] Operation: 95-63=32 Exploring Operation: 95-53=42, Resulting Numbers: [63, 44, 42] Generated Node #0,4: 61:[63, 44, 42] Operation: 95-53=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[63, 53, 51], Operations: ['95-44=51'] Exploring Operation: 63-53=10, Resulting Numbers: [51, 10] Generated Node #0,1,0: 61:[51, 10] Operation: 63-53=10 Exploring Operation: 53-51=2, Resulting Numbers: [63, 2] Generated Node #0,1,1: 61:[63, 2] Operation: 53-51=2 Exploring Operation: 53+51=104, Resulting Numbers: [63, 104] Generated Node #0,1,2: 61:[63, 104] Operation: 53+51=104 Exploring Operation: 63-51=12, Resulting Numbers: [53, 12] Generated Node #0,1,3: 61:[53, 12] Operation: 63-51=12 Exploring Operation: 63+51=114, Resulting Numbers: [53, 114] Generated Node #0,1,4: 61:[53, 114] Operation: 63+51=114 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[63, 104], Operations: ['95-44=51', '53+51=104'] Exploring Operation: 104-63=41, Resulting Numbers: [41] 41,61 unequal: No Solution Exploring Operation: 63+104=167, Resulting Numbers: [167] 167,61 unequal: No Solution Exploring Operation: 63*104=6552, Resulting Numbers: [6552] 6552,61 unequal: No Solution No 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: 61:[53, 12], Operations: ['95-44=51', '63-51=12'] Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,61 unequal: No Solution Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,61 unequal: No Solution No 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: 61:[51, 10], Operations: ['95-44=51', '63-53=10'] Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,61 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,61 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[63, 95, 44, 53], Operations: [] Exploring Operation: 95-44=51, Resulting Numbers: [63, 53, 51] Generated Node #0,1: 61:[63, 53, 51] Operation: 95-44=51 Moving to Node #0,1 Current State: 61:[63, 53, 51], Operations: ['95-44=51'] Exploring Operation: 63-53=10, Resulting Numbers: [51, 10] Generated Node #0,1,0: 61:[51, 10] Operation: 63-53=10 Moving to Node #0,1,0 Current State: 61:[51, 10], Operations: ['95-44=51', '63-53=10'] Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 26, 33, 20, 12 ]
67
[ "26+33=59", "20-12=8", "59+8=67" ]
Current State: 67:[26, 33, 20, 12], Operations: [] Exploring Operation: 26+33=59, Resulting Numbers: [20, 12, 59] Generated Node #2: [20, 12, 59] from Operation: 26+33=59 Current State: 67:[20, 12, 59], Operations: ['26+33=59'] Exploring Operation: 20-12=8, Resulting Numbers: [59, 8] Generated Node #3: [59, 8] from Operation: 20-12=8 Current State: 67:[59, 8], Operations: ['26+33=59', '20-12=8'] Exploring Operation: 59+8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[26, 33, 20, 12], Operations: [] Exploring Operation: 33+12=45, Resulting Numbers: [26, 20, 45] Generated Node #0,0: 67:[26, 20, 45] Operation: 33+12=45 Exploring Operation: 26+12=38, Resulting Numbers: [33, 20, 38] Generated Node #0,1: 67:[33, 20, 38] Operation: 26+12=38 Exploring Operation: 33+20=53, Resulting Numbers: [26, 12, 53] Generated Node #0,2: 67:[26, 12, 53] Operation: 33+20=53 Exploring Operation: 26+33=59, Resulting Numbers: [20, 12, 59] Generated Node #0,3: 67:[20, 12, 59] Operation: 26+33=59 Exploring Operation: 26+20=46, Resulting Numbers: [33, 12, 46] Generated Node #0,4: 67:[33, 12, 46] Operation: 26+20=46 Moving to Node #0,0 Current State: 67:[26, 20, 45], Operations: ['33+12=45'] Exploring Operation: 26+20=46, Resulting Numbers: [45, 46] Generated Node #0,0,0: 67:[45, 46] Operation: 26+20=46 Exploring Operation: 45-20=25, Resulting Numbers: [26, 25] Generated Node #0,0,1: 67:[26, 25] Operation: 45-20=25 Exploring Operation: 26-20=6, Resulting Numbers: [45, 6] Generated Node #0,0,2: 67:[45, 6] Operation: 26-20=6 Exploring Operation: 20+45=65, Resulting Numbers: [26, 65] Generated Node #0,0,3: 67:[26, 65] Operation: 20+45=65 Exploring Operation: 26+45=71, Resulting Numbers: [20, 71] Generated Node #0,0,4: 67:[20, 71] Operation: 26+45=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[45, 46], Operations: ['33+12=45', '26+20=46'] Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,67 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[26, 65], Operations: ['33+12=45', '20+45=65'] Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,67 unequal: No Solution Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 67:[20, 71], Operations: ['33+12=45', '26+45=71'] Exploring Operation: 20*71=1420, Resulting Numbers: [1420] 1420,67 unequal: No Solution Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[26, 25], Operations: ['33+12=45', '45-20=25'] Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,67 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[45, 6], Operations: ['33+12=45', '26-20=6'] Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,67 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: 67:[26, 12, 53], Operations: ['33+20=53'] Exploring Operation: 26+53=79, Resulting Numbers: [12, 79] Generated Node #0,2,0: 67:[12, 79] Operation: 26+53=79 Exploring Operation: 26+12=38, Resulting Numbers: [53, 38] Generated Node #0,2,1: 67:[53, 38] Operation: 26+12=38 Exploring Operation: 26-12=14, Resulting Numbers: [53, 14] Generated Node #0,2,2: 67:[53, 14] Operation: 26-12=14 Exploring Operation: 53-12=41, Resulting Numbers: [26, 41] Generated Node #0,2,3: 67:[26, 41] Operation: 53-12=41 Exploring Operation: 12+53=65, Resulting Numbers: [26, 65] Generated Node #0,2,4: 67:[26, 65] Operation: 12+53=65 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[53, 38], Operations: ['33+20=53', '26+12=38'] Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[26, 65], Operations: ['33+20=53', '12+53=65'] Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[12, 79], Operations: ['33+20=53', '26+53=79'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[26, 33, 20, 12], Operations: [] Exploring Operation: 33+20=53, Resulting Numbers: [26, 12, 53] Generated Node #0,2: 67:[26, 12, 53] Operation: 33+20=53 Moving to Node #0,2 Current State: 67:[26, 12, 53], Operations: ['33+20=53'] Exploring Operation: 26+53=79, Resulting Numbers: [12, 79] Generated Node #0,2,0: 67:[12, 79] Operation: 26+53=79 Moving to Node #0,2,0 Current State: 67:[12, 79], Operations: ['33+20=53', '26+53=79'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 70, 17, 35, 6 ]
94
[ "70-17=53", "35+6=41", "53+41=94" ]
Current State: 94:[70, 17, 35, 6], Operations: [] Exploring Operation: 70-17=53, Resulting Numbers: [35, 6, 53] Generated Node #2: [35, 6, 53] from Operation: 70-17=53 Current State: 94:[35, 6, 53], Operations: ['70-17=53'] Exploring Operation: 35+6=41, Resulting Numbers: [53, 41] Generated Node #3: [53, 41] from Operation: 35+6=41 Current State: 94:[53, 41], Operations: ['70-17=53', '35+6=41'] Exploring Operation: 53+41=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[70, 17, 35, 6], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [17, 6, 2] Generated Node #0,0: 94:[17, 6, 2] Operation: 70/35=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[17, 6, 2], Operations: ['70/35=2'] Exploring Operation: 17*6=102, Resulting Numbers: [2, 102] Generated Node #0,0,0: 94:[2, 102] Operation: 17*6=102 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[2, 102], Operations: ['70/35=2', '17*6=102'] Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 52, 94, 99, 43 ]
99
[ "94-52=42", "43-42=1", "99*1=99" ]
Current State: 99:[52, 94, 99, 43], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [99, 43, 42] Generated Node #2: [99, 43, 42] from Operation: 94-52=42 Current State: 99:[99, 43, 42], Operations: ['94-52=42'] Exploring Operation: 43-42=1, Resulting Numbers: [99, 1] Generated Node #3: [99, 1] from Operation: 43-42=1 Current State: 99:[99, 1], Operations: ['94-52=42', '43-42=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[52, 94, 99, 43], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [94, 99, 9] Generated Node #0,0: 99:[94, 99, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[94, 99, 9], Operations: ['52-43=9'] Exploring Operation: 99-94=5, Resulting Numbers: [9, 5] Generated Node #0,0,0: 99:[9, 5] Operation: 99-94=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[9, 5], Operations: ['52-43=9', '99-94=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 20, 28, 80 ]
34
[ "20-2=18", "80-28=52", "52-18=34" ]
Current State: 34:[2, 20, 28, 80], Operations: [] Exploring Operation: 20-2=18, Resulting Numbers: [28, 80, 18] Generated Node #2: [28, 80, 18] from Operation: 20-2=18 Current State: 34:[28, 80, 18], Operations: ['20-2=18'] Exploring Operation: 80-28=52, Resulting Numbers: [18, 52] Generated Node #3: [18, 52] from Operation: 80-28=52 Current State: 34:[18, 52], Operations: ['20-2=18', '80-28=52'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[2, 20, 28, 80], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [2, 28, 4] Generated Node #0,0: 34:[2, 28, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[2, 28, 4], Operations: ['80/20=4'] Exploring Operation: 28+4=32, Resulting Numbers: [2, 32] Generated Node #0,0,0: 34:[2, 32] Operation: 28+4=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[2, 32], Operations: ['80/20=4', '28+4=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[2, 20, 28, 80], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [2, 28, 4] Generated Node #0,0: 34:[2, 28, 4] Operation: 80/20=4 Moving to Node #0,0 Current State: 34:[2, 28, 4], Operations: ['80/20=4'] Exploring Operation: 28+4=32, Resulting Numbers: [2, 32] Generated Node #0,0,0: 34:[2, 32] Operation: 28+4=32 Moving to Node #0,0,0 Current State: 34:[2, 32], Operations: ['80/20=4', '28+4=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 55, 88, 29, 83 ]
18
[ "88-83=5", "55/5=11", "29-11=18" ]
Current State: 18:[55, 88, 29, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [55, 29, 5] Generated Node #2: [55, 29, 5] from Operation: 88-83=5 Current State: 18:[55, 29, 5], Operations: ['88-83=5'] Exploring Operation: 55/5=11, Resulting Numbers: [29, 11] Generated Node #3: [29, 11] from Operation: 55/5=11 Current State: 18:[29, 11], Operations: ['88-83=5', '55/5=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[55, 88, 29, 83], Operations: [] Exploring Operation: 83-55=28, Resulting Numbers: [88, 29, 28] Generated Node #0,0: 18:[88, 29, 28] Operation: 83-55=28 Exploring Operation: 88-83=5, Resulting Numbers: [55, 29, 5] Generated Node #0,1: 18:[55, 29, 5] Operation: 88-83=5 Exploring Operation: 55-29=26, Resulting Numbers: [88, 83, 26] Generated Node #0,2: 18:[88, 83, 26] Operation: 55-29=26 Exploring Operation: 88-55=33, Resulting Numbers: [29, 83, 33] Generated Node #0,3: 18:[29, 83, 33] Operation: 88-55=33 Moving to Node #0,1 Current State: 18:[55, 29, 5], Operations: ['88-83=5'] Exploring Operation: 29-5=24, Resulting Numbers: [55, 24] Generated Node #0,1,0: 18:[55, 24] Operation: 29-5=24 Exploring Operation: 55/5=11, Resulting Numbers: [29, 11] Generated Node #0,1,1: 18:[29, 11] Operation: 55/5=11 Exploring Operation: 55-29=26, Resulting Numbers: [5, 26] Generated Node #0,1,2: 18:[5, 26] Operation: 55-29=26 Exploring Operation: 55-5=50, Resulting Numbers: [29, 50] Generated Node #0,1,3: 18:[29, 50] Operation: 55-5=50 Moving to Node #0,3 Current State: 18:[29, 83, 33], Operations: ['88-55=33'] Exploring Operation: 83-29=54, Resulting Numbers: [33, 54] Generated Node #0,3,0: 18:[33, 54] Operation: 83-29=54 Exploring Operation: 29+83=112, Resulting Numbers: [33, 112] Generated Node #0,3,1: 18:[33, 112] Operation: 29+83=112 Exploring Operation: 33-29=4, Resulting Numbers: [83, 4] Generated Node #0,3,2: 18:[83, 4] Operation: 33-29=4 Exploring Operation: 83-33=50, Resulting Numbers: [29, 50] Generated Node #0,3,3: 18:[29, 50] Operation: 83-33=50 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[29, 50], Operations: ['88-55=33', '83-33=50'] Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,18 unequal: No Solution Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[33, 54], Operations: ['88-55=33', '83-29=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,18 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[83, 4], Operations: ['88-55=33', '33-29=4'] Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,18 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,18 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[33, 112], Operations: ['88-55=33', '29+83=112'] Exploring Operation: 33+112=145, Resulting Numbers: [145] 145,18 unequal: No Solution Exploring Operation: 33*112=3696, Resulting Numbers: [3696] 3696,18 unequal: No Solution Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,18 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:[88, 29, 28], Operations: ['83-55=28'] Exploring Operation: 88-28=60, Resulting Numbers: [29, 60] Generated Node #0,0,0: 18:[29, 60] Operation: 88-28=60 Exploring Operation: 29-28=1, Resulting Numbers: [88, 1] Generated Node #0,0,1: 18:[88, 1] Operation: 29-28=1 Exploring Operation: 88+29=117, Resulting Numbers: [28, 117] Generated Node #0,0,2: 18:[28, 117] Operation: 88+29=117 Exploring Operation: 88-29=59, Resulting Numbers: [28, 59] Generated Node #0,0,3: 18:[28, 59] Operation: 88-29=59 Moving to Node #0,2 Current State: 18:[88, 83, 26], Operations: ['55-29=26'] Exploring Operation: 88-26=62, Resulting Numbers: [83, 62] Generated Node #0,2,0: 18:[83, 62] Operation: 88-26=62 Exploring Operation: 83-26=57, Resulting Numbers: [88, 57] Generated Node #0,2,1: 18:[88, 57] Operation: 83-26=57 Exploring Operation: 88+83=171, Resulting Numbers: [26, 171] Generated Node #0,2,2: 18:[26, 171] Operation: 88+83=171 Exploring Operation: 88-83=5, Resulting Numbers: [26, 5] Generated Node #0,2,3: 18:[26, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 18:[26, 5], Operations: ['55-29=26', '88-83=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,18 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[83, 62], Operations: ['55-29=26', '88-26=62'] Exploring Operation: 83*62=5146, Resulting Numbers: [5146] 5146,18 unequal: No Solution Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 83+62=145, Resulting Numbers: [145] 145,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 18:[88, 57], Operations: ['55-29=26', '83-26=57'] Exploring Operation: 88*57=5016, Resulting Numbers: [5016] 5016,18 unequal: No Solution Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 88+57=145, Resulting Numbers: [145] 145,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 18:[26, 171], Operations: ['55-29=26', '88+83=171'] Exploring Operation: 26+171=197, Resulting Numbers: [197] 197,18 unequal: No Solution Exploring Operation: 26*171=4446, Resulting Numbers: [4446] 4446,18 unequal: No Solution Exploring Operation: 171-26=145, Resulting Numbers: [145] 145,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 18:[5, 26], Operations: ['88-83=5', '55-29=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,18 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[29, 11], Operations: ['88-83=5', '55/5=11'] Exploring Operation: 29*11=319, Resulting Numbers: [319] 319,18 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[55, 88, 29, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [55, 29, 5] Generated Node #0,1: 18:[55, 29, 5] Operation: 88-83=5 Moving to Node #0,1 Current State: 18:[55, 29, 5], Operations: ['88-83=5'] Exploring Operation: 55/5=11, Resulting Numbers: [29, 11] Generated Node #0,1,1: 18:[29, 11] Operation: 55/5=11 Moving to Node #0,1,1 Current State: 18:[29, 11], Operations: ['88-83=5', '55/5=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.953993
hs_4
sum_heuristic
[ 82, 1, 41, 75 ]
25
[ "82/41=2", "1+2=3", "75/3=25" ]
Current State: 25:[82, 1, 41, 75], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [1, 75, 2] Generated Node #2: [1, 75, 2] from Operation: 82/41=2 Current State: 25:[1, 75, 2], Operations: ['82/41=2'] Exploring Operation: 1+2=3, Resulting Numbers: [75, 3] Generated Node #3: [75, 3] from Operation: 1+2=3 Current State: 25:[75, 3], Operations: ['82/41=2', '1+2=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[82, 1, 41, 75], Operations: [] Exploring Operation: 75-41=34, Resulting Numbers: [82, 1, 34] Generated Node #0,0: 25:[82, 1, 34] Operation: 75-41=34 Exploring Operation: 82-1=81, Resulting Numbers: [41, 75, 81] Generated Node #0,1: 25:[41, 75, 81] Operation: 82-1=81 Exploring Operation: 82-75=7, Resulting Numbers: [1, 41, 7] Generated Node #0,2: 25:[1, 41, 7] Operation: 82-75=7 Exploring Operation: 82/41=2, Resulting Numbers: [1, 75, 2] Generated Node #0,3: 25:[1, 75, 2] Operation: 82/41=2 Exploring Operation: 82-41=41, Resulting Numbers: [1, 75, 41] Generated Node #0,4: 25:[1, 75, 41] Operation: 82-41=41 Moving to Node #0,2 Current State: 25:[1, 41, 7], Operations: ['82-75=7'] Exploring Operation: 7-1=6, Resulting Numbers: [41, 6] Generated Node #0,2,0: 25:[41, 6] Operation: 7-1=6 Exploring Operation: 41-7=34, Resulting Numbers: [1, 34] Generated Node #0,2,1: 25:[1, 34] Operation: 41-7=34 Exploring Operation: 1*41=41, Resulting Numbers: [7, 41] Generated Node #0,2,2: 25:[7, 41] Operation: 1*41=41 Exploring Operation: 41/1=41, Resulting Numbers: [7, 41] Generated Node #0,2,3: 25:[7, 41] Operation: 41/1=41 Exploring Operation: 41-1=40, Resulting Numbers: [7, 40] Generated Node #0,2,4: 25:[7, 40] Operation: 41-1=40 Moving to Node #0,3 Current State: 25:[1, 75, 2], Operations: ['82/41=2'] Exploring Operation: 75-1=74, Resulting Numbers: [2, 74] Generated Node #0,3,0: 25:[2, 74] Operation: 75-1=74 Exploring Operation: 1+2=3, Resulting Numbers: [75, 3] Generated Node #0,3,1: 25:[75, 3] Operation: 1+2=3 Exploring Operation: 75/1=75, Resulting Numbers: [2, 75] Generated Node #0,3,2: 25:[2, 75] Operation: 75/1=75 Exploring Operation: 1*75=75, Resulting Numbers: [2, 75] Generated Node #0,3,3: 25:[2, 75] Operation: 1*75=75 Exploring Operation: 75-2=73, Resulting Numbers: [1, 73] Generated Node #0,3,4: 25:[1, 73] Operation: 75-2=73 Moving to Node #0,0 Current State: 25:[82, 1, 34], Operations: ['75-41=34'] Exploring Operation: 82-1=81, Resulting Numbers: [34, 81] Generated Node #0,0,0: 25:[34, 81] Operation: 82-1=81 Exploring Operation: 82*1=82, Resulting Numbers: [34, 82] Generated Node #0,0,1: 25:[34, 82] Operation: 82*1=82 Exploring Operation: 34-1=33, Resulting Numbers: [82, 33] Generated Node #0,0,2: 25:[82, 33] Operation: 34-1=33 Exploring Operation: 82/1=82, Resulting Numbers: [34, 82] Generated Node #0,0,3: 25:[34, 82] Operation: 82/1=82 Exploring Operation: 82-34=48, Resulting Numbers: [1, 48] Generated Node #0,0,4: 25:[1, 48] Operation: 82-34=48 Moving to Node #0,4 Current State: 25:[1, 75, 41], Operations: ['82-41=41'] Exploring Operation: 41-1=40, Resulting Numbers: [75, 40] Generated Node #0,4,0: 25:[75, 40] Operation: 41-1=40 Exploring Operation: 75-41=34, Resulting Numbers: [1, 34] Generated Node #0,4,1: 25:[1, 34] Operation: 75-41=34 Exploring Operation: 1*75=75, Resulting Numbers: [41, 75] Generated Node #0,4,2: 25:[41, 75] Operation: 1*75=75 Exploring Operation: 75/1=75, Resulting Numbers: [41, 75] Generated Node #0,4,3: 25:[41, 75] Operation: 75/1=75 Exploring Operation: 75-1=74, Resulting Numbers: [41, 74] Generated Node #0,4,4: 25:[41, 74] Operation: 75-1=74 Moving to Node #0,1 Current State: 25:[41, 75, 81], Operations: ['82-1=81'] Exploring Operation: 75-41=34, Resulting Numbers: [81, 34] Generated Node #0,1,0: 25:[81, 34] Operation: 75-41=34 Exploring Operation: 81-75=6, Resulting Numbers: [41, 6] Generated Node #0,1,1: 25:[41, 6] Operation: 81-75=6 Exploring Operation: 41+81=122, Resulting Numbers: [75, 122] Generated Node #0,1,2: 25:[75, 122] Operation: 41+81=122 Exploring Operation: 81-41=40, Resulting Numbers: [75, 40] Generated Node #0,1,3: 25:[75, 40] Operation: 81-41=40 Exploring Operation: 41+75=116, Resulting Numbers: [81, 116] Generated Node #0,1,4: 25:[81, 116] Operation: 41+75=116 Moving to Node #0,2,1 Current State: 25:[1, 34], Operations: ['82-75=7', '41-7=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[1, 34], Operations: ['82-41=41', '75-41=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[7, 40], Operations: ['82-75=7', '41-1=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[41, 6], Operations: ['82-1=81', '81-75=6'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,25 unequal: No Solution Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[41, 6], Operations: ['82-75=7', '7-1=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,25 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[7, 41], Operations: ['82-75=7', '41/1=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,25 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[7, 41], Operations: ['82-75=7', '1*41=41'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,25 unequal: No Solution Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[1, 48], Operations: ['75-41=34', '82-34=48'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[75, 3], Operations: ['82/41=2', '1+2=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[82, 1, 41, 75], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [1, 75, 2] Generated Node #0,3: 25:[1, 75, 2] Operation: 82/41=2 Moving to Node #0,3 Current State: 25:[1, 75, 2], Operations: ['82/41=2'] Exploring Operation: 1+2=3, Resulting Numbers: [75, 3] Generated Node #0,3,1: 25:[75, 3] Operation: 1+2=3 Moving to Node #0,3,1 Current State: 25:[75, 3], Operations: ['82/41=2', '1+2=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.944444
hs_5
sum_heuristic
[ 83, 37, 2, 10 ]
58
[ "83-37=46", "2+10=12", "46+12=58" ]
Current State: 58:[83, 37, 2, 10], Operations: [] Exploring Operation: 83-37=46, Resulting Numbers: [2, 10, 46] Generated Node #2: [2, 10, 46] from Operation: 83-37=46 Current State: 58:[2, 10, 46], Operations: ['83-37=46'] Exploring Operation: 2+10=12, Resulting Numbers: [46, 12] Generated Node #3: [46, 12] from Operation: 2+10=12 Current State: 58:[46, 12], Operations: ['83-37=46', '2+10=12'] Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[83, 37, 2, 10], Operations: [] Exploring Operation: 83-10=73, Resulting Numbers: [37, 2, 73] Generated Node #0,0: 58:[37, 2, 73] Operation: 83-10=73 Exploring Operation: 83-37=46, Resulting Numbers: [2, 10, 46] Generated Node #0,1: 58:[2, 10, 46] Operation: 83-37=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[2, 10, 46], Operations: ['83-37=46'] Exploring Operation: 10+46=56, Resulting Numbers: [2, 56] Generated Node #0,1,0: 58:[2, 56] Operation: 10+46=56 Exploring Operation: 46-10=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 58:[2, 36] Operation: 46-10=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[2, 56], Operations: ['83-37=46', '10+46=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[83, 37, 2, 10], Operations: [] Exploring Operation: 83-37=46, Resulting Numbers: [2, 10, 46] Generated Node #0,1: 58:[2, 10, 46] Operation: 83-37=46 Moving to Node #0,1 Current State: 58:[2, 10, 46], Operations: ['83-37=46'] Exploring Operation: 10+46=56, Resulting Numbers: [2, 56] Generated Node #0,1,0: 58:[2, 56] Operation: 10+46=56 Moving to Node #0,1,0 Current State: 58:[2, 56], Operations: ['83-37=46', '10+46=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 65, 18, 99, 34 ]
50
[ "65+18=83", "99+34=133", "133-83=50" ]
Current State: 50:[65, 18, 99, 34], Operations: [] Exploring Operation: 65+18=83, Resulting Numbers: [99, 34, 83] Generated Node #2: [99, 34, 83] from Operation: 65+18=83 Current State: 50:[99, 34, 83], Operations: ['65+18=83'] Exploring Operation: 99+34=133, Resulting Numbers: [83, 133] Generated Node #3: [83, 133] from Operation: 99+34=133 Current State: 50:[83, 133], Operations: ['65+18=83', '99+34=133'] Exploring Operation: 133-83=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[65, 18, 99, 34], Operations: [] Exploring Operation: 99-65=34, Resulting Numbers: [18, 34, 34] Generated Node #0,0: 50:[18, 34, 34] Operation: 99-65=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[18, 34, 34], Operations: ['99-65=34'] Exploring Operation: 34/34=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 50:[18, 1] Operation: 34/34=1 Moving to Node #0,0,0 Current State: 50:[18, 1], Operations: ['99-65=34', '34/34=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,50 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
[ 23, 80, 77, 78 ]
57
[ "80-23=57", "78-77=1", "57*1=57" ]
Current State: 57:[23, 80, 77, 78], Operations: [] Exploring Operation: 80-23=57, Resulting Numbers: [77, 78, 57] Generated Node #2: [77, 78, 57] from Operation: 80-23=57 Current State: 57:[77, 78, 57], Operations: ['80-23=57'] Exploring Operation: 78-77=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 78-77=1 Current State: 57:[57, 1], Operations: ['80-23=57', '78-77=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[23, 80, 77, 78], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [23, 77, 2] Generated Node #0,0: 57:[23, 77, 2] Operation: 80-78=2 Exploring Operation: 78-23=55, Resulting Numbers: [80, 77, 55] Generated Node #0,1: 57:[80, 77, 55] Operation: 78-23=55 Exploring Operation: 80-23=57, Resulting Numbers: [77, 78, 57] Generated Node #0,2: 57:[77, 78, 57] Operation: 80-23=57 Exploring Operation: 80-77=3, Resulting Numbers: [23, 78, 3] Generated Node #0,3: 57:[23, 78, 3] Operation: 80-77=3 Exploring Operation: 78-77=1, Resulting Numbers: [23, 80, 1] Generated Node #0,4: 57:[23, 80, 1] Operation: 78-77=1 Moving to Node #0,0 Current State: 57:[23, 77, 2], Operations: ['80-78=2'] Exploring Operation: 23+2=25, Resulting Numbers: [77, 25] Generated Node #0,0,0: 57:[77, 25] Operation: 23+2=25 Exploring Operation: 23-2=21, Resulting Numbers: [77, 21] Generated Node #0,0,1: 57:[77, 21] Operation: 23-2=21 Exploring Operation: 77-2=75, Resulting Numbers: [23, 75] Generated Node #0,0,2: 57:[23, 75] Operation: 77-2=75 Exploring Operation: 77+2=79, Resulting Numbers: [23, 79] Generated Node #0,0,3: 57:[23, 79] Operation: 77+2=79 Exploring Operation: 77-23=54, Resulting Numbers: [2, 54] Generated Node #0,0,4: 57:[2, 54] Operation: 77-23=54 Moving to Node #0,3 Current State: 57:[23, 78, 3], Operations: ['80-77=3'] Exploring Operation: 23+3=26, Resulting Numbers: [78, 26] Generated Node #0,3,0: 57:[78, 26] Operation: 23+3=26 Exploring Operation: 23-3=20, Resulting Numbers: [78, 20] Generated Node #0,3,1: 57:[78, 20] Operation: 23-3=20 Exploring Operation: 78/3=26, Resulting Numbers: [23, 26] Generated Node #0,3,2: 57:[23, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [23, 75] Generated Node #0,3,3: 57:[23, 75] Operation: 78-3=75 Exploring Operation: 78-23=55, Resulting Numbers: [3, 55] Generated Node #0,3,4: 57:[3, 55] Operation: 78-23=55 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 57:[3, 55], Operations: ['80-77=3', '78-23=55'] Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,57 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,57 unequal: No Solution Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,57 unequal: No Solution No 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: 57:[23, 26], Operations: ['80-77=3', '78/3=26'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,57 unequal: No Solution No 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: 57:[78, 20], Operations: ['80-77=3', '23-3=20'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,57 unequal: No Solution No 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: 57:[23, 75], Operations: ['80-77=3', '78-3=75'] Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,57 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,57 unequal: No Solution No 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: 57:[78, 26], Operations: ['80-77=3', '23+3=26'] Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,57 unequal: No Solution Exploring Operation: 78+26=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 78*26=2028, Resulting Numbers: [2028] 2028,57 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: 57:[23, 80, 1], Operations: ['78-77=1'] Exploring Operation: 80-23=57, Resulting Numbers: [1, 57] Generated Node #0,4,0: 57:[1, 57] Operation: 80-23=57 Exploring Operation: 23/1=23, Resulting Numbers: [80, 23] Generated Node #0,4,1: 57:[80, 23] Operation: 23/1=23 Exploring Operation: 23*1=23, Resulting Numbers: [80, 23] Generated Node #0,4,2: 57:[80, 23] Operation: 23*1=23 Exploring Operation: 80-1=79, Resulting Numbers: [23, 79] Generated Node #0,4,3: 57:[23, 79] Operation: 80-1=79 Exploring Operation: 23-1=22, Resulting Numbers: [80, 22] Generated Node #0,4,4: 57:[80, 22] Operation: 23-1=22 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 57:[1, 57], Operations: ['78-77=1', '80-23=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[23, 80, 77, 78], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [23, 80, 1] Generated Node #0,4: 57:[23, 80, 1] Operation: 78-77=1 Moving to Node #0,4 Current State: 57:[23, 80, 1], Operations: ['78-77=1'] Exploring Operation: 80-23=57, Resulting Numbers: [1, 57] Generated Node #0,4,0: 57:[1, 57] Operation: 80-23=57 Moving to Node #0,4,0 Current State: 57:[1, 57], Operations: ['78-77=1', '80-23=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 44, 68, 64, 20 ]
96
[ "44-20=24", "68-64=4", "24*4=96" ]
Current State: 96:[44, 68, 64, 20], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [68, 64, 24] Generated Node #2: [68, 64, 24] from Operation: 44-20=24 Current State: 96:[68, 64, 24], Operations: ['44-20=24'] Exploring Operation: 68-64=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 68-64=4 Current State: 96:[24, 4], Operations: ['44-20=24', '68-64=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[44, 68, 64, 20], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [44, 20, 4] Generated Node #0,0: 96:[44, 20, 4] Operation: 68-64=4 Moving to Node #0,0 Current State: 96:[44, 20, 4], Operations: ['68-64=4'] Exploring Operation: 44-20=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 96:[4, 24] Operation: 44-20=24 Moving to Node #0,0,0 Current State: 96:[4, 24], Operations: ['68-64=4', '44-20=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[44, 68, 64, 20], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [44, 20, 4] Generated Node #0,0: 96:[44, 20, 4] Operation: 68-64=4 Moving to Node #0,0 Current State: 96:[44, 20, 4], Operations: ['68-64=4'] Exploring Operation: 44-20=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 96:[4, 24] Operation: 44-20=24 Moving to Node #0,0,0 Current State: 96:[4, 24], Operations: ['68-64=4', '44-20=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 53, 55, 88, 21 ]
69
[ "55-53=2", "88-21=67", "2+67=69" ]
Current State: 69:[53, 55, 88, 21], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [88, 21, 2] Generated Node #2: [88, 21, 2] from Operation: 55-53=2 Current State: 69:[88, 21, 2], Operations: ['55-53=2'] Exploring Operation: 88-21=67, Resulting Numbers: [2, 67] Generated Node #3: [2, 67] from Operation: 88-21=67 Current State: 69:[2, 67], Operations: ['55-53=2', '88-21=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[53, 55, 88, 21], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [88, 21, 2] Generated Node #0,0: 69:[88, 21, 2] Operation: 55-53=2 Moving to Node #0,0 Current State: 69:[88, 21, 2], Operations: ['55-53=2'] Exploring Operation: 88-21=67, Resulting Numbers: [2, 67] Generated Node #0,0,0: 69:[2, 67] Operation: 88-21=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[2, 67], Operations: ['55-53=2', '88-21=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[53, 55, 88, 21], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [88, 21, 2] Generated Node #0,0: 69:[88, 21, 2] Operation: 55-53=2 Moving to Node #0,0 Current State: 69:[88, 21, 2], Operations: ['55-53=2'] Exploring Operation: 88-21=67, Resulting Numbers: [2, 67] Generated Node #0,0,0: 69:[2, 67] Operation: 88-21=67 Moving to Node #0,0,0 Current State: 69:[2, 67], Operations: ['55-53=2', '88-21=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 74, 54, 27 ]
48
[ "54/54=1", "74-27=47", "1+47=48" ]
Current State: 48:[54, 74, 54, 27], Operations: [] Exploring Operation: 54/54=1, Resulting Numbers: [74, 27, 1] Generated Node #2: [74, 27, 1] from Operation: 54/54=1 Current State: 48:[74, 27, 1], Operations: ['54/54=1'] Exploring Operation: 74-27=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 74-27=47 Current State: 48:[1, 47], Operations: ['54/54=1', '74-27=47'] Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[54, 74, 54, 27], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [54, 27, 20] Generated Node #0,0: 48:[54, 27, 20] Operation: 74-54=20 Exploring Operation: 74-27=47, Resulting Numbers: [54, 54, 47] Generated Node #0,1: 48:[54, 54, 47] Operation: 74-27=47 Exploring Operation: 74-54=20, Resulting Numbers: [54, 27, 20] Generated Node #0,2: 48:[54, 27, 20] Operation: 74-54=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[54, 27, 20], Operations: ['74-54=20'] Exploring Operation: 54-27=27, Resulting Numbers: [20, 27] Generated Node #0,0,0: 48:[20, 27] Operation: 54-27=27 Exploring Operation: 27+20=47, Resulting Numbers: [54, 47] Generated Node #0,0,1: 48:[54, 47] Operation: 27+20=47 Exploring Operation: 54/27=2, Resulting Numbers: [20, 2] Generated Node #0,0,2: 48:[20, 2] Operation: 54/27=2 Moving to Node #0,0,2 Current State: 48:[20, 2], Operations: ['74-54=20', '54/27=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[20, 27], Operations: ['74-54=20', '54-27=27'] Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[54, 47], Operations: ['74-54=20', '27+20=47'] Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,48 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[54, 54, 47], Operations: ['74-27=47'] Exploring Operation: 54-54=0, Resulting Numbers: [47, 0] Generated Node #0,1,0: 48:[47, 0] Operation: 54-54=0 Exploring Operation: 54-47=7, Resulting Numbers: [54, 7] Generated Node #0,1,1: 48:[54, 7] Operation: 54-47=7 Exploring Operation: 54/54=1, Resulting Numbers: [47, 1] Generated Node #0,1,2: 48:[47, 1] Operation: 54/54=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[47, 1], Operations: ['74-27=47', '54/54=1'] Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[54, 74, 54, 27], Operations: [] Exploring Operation: 74-27=47, Resulting Numbers: [54, 54, 47] Generated Node #0,1: 48:[54, 54, 47] Operation: 74-27=47 Moving to Node #0,1 Current State: 48:[54, 54, 47], Operations: ['74-27=47'] Exploring Operation: 54/54=1, Resulting Numbers: [47, 1] Generated Node #0,1,2: 48:[47, 1] Operation: 54/54=1 Moving to Node #0,1,2 Current State: 48:[47, 1], Operations: ['74-27=47', '54/54=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 75, 7, 58, 70 ]
80
[ "75-7=68", "70-58=12", "68+12=80" ]
Current State: 80:[75, 7, 58, 70], Operations: [] Exploring Operation: 75-7=68, Resulting Numbers: [58, 70, 68] Generated Node #2: [58, 70, 68] from Operation: 75-7=68 Current State: 80:[58, 70, 68], Operations: ['75-7=68'] Exploring Operation: 70-58=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 70-58=12 Current State: 80:[68, 12], Operations: ['75-7=68', '70-58=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[75, 7, 58, 70], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [75, 7, 12] Generated Node #0,0: 80:[75, 7, 12] Operation: 70-58=12 Exploring Operation: 75-70=5, Resulting Numbers: [7, 58, 5] Generated Node #0,1: 80:[7, 58, 5] Operation: 75-70=5 Exploring Operation: 75-58=17, Resulting Numbers: [7, 70, 17] Generated Node #0,2: 80:[7, 70, 17] Operation: 75-58=17 Exploring Operation: 58-7=51, Resulting Numbers: [75, 70, 51] Generated Node #0,3: 80:[75, 70, 51] Operation: 58-7=51 Exploring Operation: 70/7=10, Resulting Numbers: [75, 58, 10] Generated Node #0,4: 80:[75, 58, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[75, 7, 12], Operations: ['70-58=12'] Exploring Operation: 7+12=19, Resulting Numbers: [75, 19] Generated Node #0,0,0: 80:[75, 19] Operation: 7+12=19 Exploring Operation: 12-7=5, Resulting Numbers: [75, 5] Generated Node #0,0,1: 80:[75, 5] Operation: 12-7=5 Exploring Operation: 75+12=87, Resulting Numbers: [7, 87] Generated Node #0,0,2: 80:[7, 87] Operation: 75+12=87 Exploring Operation: 75+7=82, Resulting Numbers: [12, 82] Generated Node #0,0,3: 80:[12, 82] Operation: 75+7=82 Exploring Operation: 7*12=84, Resulting Numbers: [75, 84] Generated Node #0,0,4: 80:[75, 84] Operation: 7*12=84 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 80:[12, 82], Operations: ['70-58=12', '75+7=82'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,80 unequal: No Solution Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[75, 5], Operations: ['70-58=12', '12-7=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[75, 7, 58, 70], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [75, 7, 12] Generated Node #0,0: 80:[75, 7, 12] Operation: 70-58=12 Moving to Node #0,0 Current State: 80:[75, 7, 12], Operations: ['70-58=12'] Exploring Operation: 12-7=5, Resulting Numbers: [75, 5] Generated Node #0,0,1: 80:[75, 5] Operation: 12-7=5 Moving to Node #0,0,1 Current State: 80:[75, 5], Operations: ['70-58=12', '12-7=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 34, 43, 24, 39 ]
28
[ "43-39=4", "24/4=6", "34-6=28" ]
Current State: 28:[34, 43, 24, 39], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [34, 24, 4] Generated Node #2: [34, 24, 4] from Operation: 43-39=4 Current State: 28:[34, 24, 4], Operations: ['43-39=4'] Exploring Operation: 24/4=6, Resulting Numbers: [34, 6] Generated Node #3: [34, 6] from Operation: 24/4=6 Current State: 28:[34, 6], Operations: ['43-39=4', '24/4=6'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[34, 43, 24, 39], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [34, 24, 4] Generated Node #0,0: 28:[34, 24, 4] Operation: 43-39=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[34, 24, 4], Operations: ['43-39=4'] Exploring Operation: 34-24=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 28:[4, 10] Operation: 34-24=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 10], Operations: ['43-39=4', '34-24=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 59, 36, 41, 44 ]
69
[ "59-36=23", "44-41=3", "23*3=69" ]
Current State: 69:[59, 36, 41, 44], Operations: [] Exploring Operation: 59-36=23, Resulting Numbers: [41, 44, 23] Generated Node #2: [41, 44, 23] from Operation: 59-36=23 Current State: 69:[41, 44, 23], Operations: ['59-36=23'] Exploring Operation: 44-41=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 44-41=3 Current State: 69:[23, 3], Operations: ['59-36=23', '44-41=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[59, 36, 41, 44], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [59, 36, 3] Generated Node #0,0: 69:[59, 36, 3] Operation: 44-41=3 Moving to Node #0,0 Current State: 69:[59, 36, 3], Operations: ['44-41=3'] Exploring Operation: 59-36=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 69:[3, 23] Operation: 59-36=23 Moving to Node #0,0,0 Current State: 69:[3, 23], Operations: ['44-41=3', '59-36=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[59, 36, 41, 44], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [59, 36, 3] Generated Node #0,0: 69:[59, 36, 3] Operation: 44-41=3 Moving to Node #0,0 Current State: 69:[59, 36, 3], Operations: ['44-41=3'] Exploring Operation: 59-36=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 69:[3, 23] Operation: 59-36=23 Moving to Node #0,0,0 Current State: 69:[3, 23], Operations: ['44-41=3', '59-36=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 87, 64, 9, 23 ]
89
[ "9+23=32", "64/32=2", "87+2=89" ]
Current State: 89:[87, 64, 9, 23], Operations: [] Exploring Operation: 9+23=32, Resulting Numbers: [87, 64, 32] Generated Node #2: [87, 64, 32] from Operation: 9+23=32 Current State: 89:[87, 64, 32], Operations: ['9+23=32'] Exploring Operation: 64/32=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 64/32=2 Current State: 89:[87, 2], Operations: ['9+23=32', '64/32=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[87, 64, 9, 23], Operations: [] Exploring Operation: 9+23=32, Resulting Numbers: [87, 64, 32] Generated Node #0,0: 89:[87, 64, 32] Operation: 9+23=32 Exploring Operation: 87+9=96, Resulting Numbers: [64, 23, 96] Generated Node #0,1: 89:[64, 23, 96] Operation: 87+9=96 Exploring Operation: 64+9=73, Resulting Numbers: [87, 23, 73] Generated Node #0,2: 89:[87, 23, 73] Operation: 64+9=73 Exploring Operation: 64+23=87, Resulting Numbers: [87, 9, 87] Generated Node #0,3: 89:[87, 9, 87] Operation: 64+23=87 Moving to Node #0,0 Current State: 89:[87, 64, 32], Operations: ['9+23=32'] Exploring Operation: 87+32=119, Resulting Numbers: [64, 119] Generated Node #0,0,0: 89:[64, 119] Operation: 87+32=119 Exploring Operation: 87-32=55, Resulting Numbers: [64, 55] Generated Node #0,0,1: 89:[64, 55] Operation: 87-32=55 Exploring Operation: 64-32=32, Resulting Numbers: [87, 32] Generated Node #0,0,2: 89:[87, 32] Operation: 64-32=32 Exploring Operation: 64+32=96, Resulting Numbers: [87, 96] Generated Node #0,0,3: 89:[87, 96] Operation: 64+32=96 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[87, 96], Operations: ['9+23=32', '64+32=96'] Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,89 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,89 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 #0,0,0 Current State: 89:[64, 119], Operations: ['9+23=32', '87+32=119'] Exploring Operation: 64+119=183, Resulting Numbers: [183] 183,89 unequal: No Solution Exploring Operation: 64*119=7616, Resulting Numbers: [7616] 7616,89 unequal: No Solution Exploring Operation: 119-64=55, Resulting Numbers: [55] 55,89 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 #0,0,1 Current State: 89:[64, 55], Operations: ['9+23=32', '87-32=55'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,89 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,89 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 #0,0,2 Current State: 89:[87, 32], Operations: ['9+23=32', '64-32=32'] Exploring Operation: 87*32=2784, Resulting Numbers: [2784] 2784,89 unequal: No Solution Exploring Operation: 87+32=119, Resulting Numbers: [119] 119,89 unequal: No Solution Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,89 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: 89:[87, 9, 87], Operations: ['64+23=87'] Exploring Operation: 87+9=96, Resulting Numbers: [87, 96] Generated Node #0,3,0: 89:[87, 96] Operation: 87+9=96 Exploring Operation: 9+87=96, Resulting Numbers: [87, 96] Generated Node #0,3,1: 89:[87, 96] Operation: 9+87=96 Exploring Operation: 87-9=78, Resulting Numbers: [87, 78] Generated Node #0,3,2: 89:[87, 78] Operation: 87-9=78 Exploring Operation: 87-9=78, Resulting Numbers: [87, 78] Generated Node #0,3,3: 89:[87, 78] Operation: 87-9=78 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 89:[87, 96], Operations: ['64+23=87', '87+9=96'] Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,89 unequal: No Solution Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,89 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 #0,3,1 Current State: 89:[87, 96], Operations: ['64+23=87', '9+87=96'] Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,89 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,89 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 #0,3,2 Current State: 89:[87, 78], Operations: ['64+23=87', '87-9=78'] Exploring Operation: 87*78=6786, Resulting Numbers: [6786] 6786,89 unequal: No Solution Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 87+78=165, Resulting Numbers: [165] 165,89 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 #0,3,3 Current State: 89:[87, 78], Operations: ['64+23=87', '87-9=78'] Exploring Operation: 87+78=165, Resulting Numbers: [165] 165,89 unequal: No Solution Exploring Operation: 87*78=6786, Resulting Numbers: [6786] 6786,89 unequal: No Solution Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 89:[87, 23, 73], Operations: ['64+9=73'] Exploring Operation: 73-23=50, Resulting Numbers: [87, 50] Generated Node #0,2,0: 89:[87, 50] Operation: 73-23=50 Exploring Operation: 23+73=96, Resulting Numbers: [87, 96] Generated Node #0,2,1: 89:[87, 96] Operation: 23+73=96 Exploring Operation: 87-23=64, Resulting Numbers: [73, 64] Generated Node #0,2,2: 89:[73, 64] Operation: 87-23=64 Exploring Operation: 87+23=110, Resulting Numbers: [73, 110] Generated Node #0,2,3: 89:[73, 110] Operation: 87+23=110 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[87, 96], Operations: ['64+9=73', '23+73=96'] Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,89 unequal: No Solution Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,89 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[73, 110], Operations: ['64+9=73', '87+23=110'] Exploring Operation: 110-73=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 73*110=8030, Resulting Numbers: [8030] 8030,89 unequal: No Solution Exploring Operation: 73+110=183, Resulting Numbers: [183] 183,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[87, 50], Operations: ['64+9=73', '73-23=50'] Exploring Operation: 87-50=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 87*50=4350, Resulting Numbers: [4350] 4350,89 unequal: No Solution Exploring Operation: 87+50=137, Resulting Numbers: [137] 137,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[73, 64], Operations: ['64+9=73', '87-23=64'] Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,89 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: 89:[64, 23, 96], Operations: ['87+9=96'] Exploring Operation: 23+96=119, Resulting Numbers: [64, 119] Generated Node #0,1,0: 89:[64, 119] Operation: 23+96=119 Exploring Operation: 64+23=87, Resulting Numbers: [96, 87] Generated Node #0,1,1: 89:[96, 87] Operation: 64+23=87 Exploring Operation: 96-23=73, Resulting Numbers: [64, 73] Generated Node #0,1,2: 89:[64, 73] Operation: 96-23=73 Exploring Operation: 64-23=41, Resulting Numbers: [96, 41] Generated Node #0,1,3: 89:[96, 41] Operation: 64-23=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[96, 87], Operations: ['87+9=96', '64+23=87'] Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,89 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[64, 73], Operations: ['87+9=96', '96-23=73'] Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,89 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[64, 119], Operations: ['87+9=96', '23+96=119'] Exploring Operation: 64+119=183, Resulting Numbers: [183] 183,89 unequal: No Solution Exploring Operation: 64*119=7616, Resulting Numbers: [7616] 7616,89 unequal: No Solution Exploring Operation: 119-64=55, Resulting Numbers: [55] 55,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[96, 41], Operations: ['87+9=96', '64-23=41'] Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,89 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 29, 32, 43, 55 ]
95
[ "32-29=3", "43+55=98", "98-3=95" ]
Current State: 95:[29, 32, 43, 55], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [43, 55, 3] Generated Node #2: [43, 55, 3] from Operation: 32-29=3 Current State: 95:[43, 55, 3], Operations: ['32-29=3'] Exploring Operation: 43+55=98, Resulting Numbers: [3, 98] Generated Node #3: [3, 98] from Operation: 43+55=98 Current State: 95:[3, 98], Operations: ['32-29=3', '43+55=98'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[29, 32, 43, 55], Operations: [] Exploring Operation: 55-43=12, Resulting Numbers: [29, 32, 12] Generated Node #0,0: 95:[29, 32, 12] Operation: 55-43=12 Exploring Operation: 43+55=98, Resulting Numbers: [29, 32, 98] Generated Node #0,1: 95:[29, 32, 98] Operation: 43+55=98 Exploring Operation: 32+55=87, Resulting Numbers: [29, 43, 87] Generated Node #0,2: 95:[29, 43, 87] Operation: 32+55=87 Exploring Operation: 55-32=23, Resulting Numbers: [29, 43, 23] Generated Node #0,3: 95:[29, 43, 23] Operation: 55-32=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[29, 32, 98], Operations: ['43+55=98'] Exploring Operation: 98-32=66, Resulting Numbers: [29, 66] Generated Node #0,1,0: 95:[29, 66] Operation: 98-32=66 Exploring Operation: 98-29=69, Resulting Numbers: [32, 69] Generated Node #0,1,1: 95:[32, 69] Operation: 98-29=69 Exploring Operation: 29+32=61, Resulting Numbers: [98, 61] Generated Node #0,1,2: 95:[98, 61] Operation: 29+32=61 Exploring Operation: 32-29=3, Resulting Numbers: [98, 3] Generated Node #0,1,3: 95:[98, 3] Operation: 32-29=3 Moving to Node #0,1,3 Current State: 95:[98, 3], Operations: ['43+55=98', '32-29=3'] Exploring Operation: 98+3=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[29, 32, 43, 55], Operations: [] Exploring Operation: 43+55=98, Resulting Numbers: [29, 32, 98] Generated Node #0,1: 95:[29, 32, 98] Operation: 43+55=98 Moving to Node #0,1 Current State: 95:[29, 32, 98], Operations: ['43+55=98'] Exploring Operation: 32-29=3, Resulting Numbers: [98, 3] Generated Node #0,1,3: 95:[98, 3] Operation: 32-29=3 Moving to Node #0,1,3 Current State: 95:[98, 3], Operations: ['43+55=98', '32-29=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 27, 4, 64, 7 ]
69
[ "27-7=20", "20/4=5", "64+5=69" ]
Current State: 69:[27, 4, 64, 7], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [4, 64, 20] Generated Node #2: [4, 64, 20] from Operation: 27-7=20 Current State: 69:[4, 64, 20], Operations: ['27-7=20'] Exploring Operation: 20/4=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 20/4=5 Current State: 69:[64, 5], Operations: ['27-7=20', '20/4=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[27, 4, 64, 7], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [4, 64, 20] Generated Node #0,0: 69:[4, 64, 20] Operation: 27-7=20 Exploring Operation: 64+7=71, Resulting Numbers: [27, 4, 71] Generated Node #0,1: 69:[27, 4, 71] Operation: 64+7=71 Exploring Operation: 27-4=23, Resulting Numbers: [64, 7, 23] Generated Node #0,2: 69:[64, 7, 23] Operation: 27-4=23 Exploring Operation: 4+64=68, Resulting Numbers: [27, 7, 68] Generated Node #0,3: 69:[27, 7, 68] Operation: 4+64=68 Moving to Node #0,1 Current State: 69:[27, 4, 71], Operations: ['64+7=71'] Exploring Operation: 4+71=75, Resulting Numbers: [27, 75] Generated Node #0,1,0: 69:[27, 75] Operation: 4+71=75 Exploring Operation: 27-4=23, Resulting Numbers: [71, 23] Generated Node #0,1,1: 69:[71, 23] Operation: 27-4=23 Exploring Operation: 27+4=31, Resulting Numbers: [71, 31] Generated Node #0,1,2: 69:[71, 31] Operation: 27+4=31 Exploring Operation: 71-4=67, Resulting Numbers: [27, 67] Generated Node #0,1,3: 69:[27, 67] Operation: 71-4=67 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[71, 23], Operations: ['64+7=71', '27-4=23'] Exploring Operation: 71+23=94, Resulting Numbers: [94] 94,69 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 71*23=1633, Resulting Numbers: [1633] 1633,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 69:[27, 67], Operations: ['64+7=71', '71-4=67'] Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 27+67=94, Resulting Numbers: [94] 94,69 unequal: No Solution Exploring Operation: 27*67=1809, Resulting Numbers: [1809] 1809,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[27, 75], Operations: ['64+7=71', '4+71=75'] Exploring Operation: 27+75=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 27*75=2025, Resulting Numbers: [2025] 2025,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[71, 31], Operations: ['64+7=71', '27+4=31'] Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,69 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,69 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: 69:[64, 7, 23], Operations: ['27-4=23'] Exploring Operation: 64+7=71, Resulting Numbers: [23, 71] Generated Node #0,2,0: 69:[23, 71] Operation: 64+7=71 Exploring Operation: 64-7=57, Resulting Numbers: [23, 57] Generated Node #0,2,1: 69:[23, 57] Operation: 64-7=57 Exploring Operation: 7+23=30, Resulting Numbers: [64, 30] Generated Node #0,2,2: 69:[64, 30] Operation: 7+23=30 Exploring Operation: 23-7=16, Resulting Numbers: [64, 16] Generated Node #0,2,3: 69:[64, 16] Operation: 23-7=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[23, 71], Operations: ['27-4=23', '64+7=71'] Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 23*71=1633, Resulting Numbers: [1633] 1633,69 unequal: No Solution Exploring Operation: 23+71=94, Resulting Numbers: [94] 94,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[23, 57], Operations: ['27-4=23', '64-7=57'] Exploring Operation: 23*57=1311, Resulting Numbers: [1311] 1311,69 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,69 unequal: No Solution Exploring Operation: 23+57=80, Resulting Numbers: [80] 80,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 69:[64, 30], Operations: ['27-4=23', '7+23=30'] Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,69 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,69 unequal: No Solution Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 69:[64, 16], Operations: ['27-4=23', '23-7=16'] Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,69 unequal: No Solution Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,69 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: 69:[4, 64, 20], Operations: ['27-7=20'] Exploring Operation: 64/4=16, Resulting Numbers: [20, 16] Generated Node #0,0,0: 69:[20, 16] Operation: 64/4=16 Exploring Operation: 20/4=5, Resulting Numbers: [64, 5] Generated Node #0,0,1: 69:[64, 5] Operation: 20/4=5 Exploring Operation: 4+64=68, Resulting Numbers: [20, 68] Generated Node #0,0,2: 69:[20, 68] Operation: 4+64=68 Exploring Operation: 4+20=24, Resulting Numbers: [64, 24] Generated Node #0,0,3: 69:[64, 24] Operation: 4+20=24 Moving to Node #0,3 Current State: 69:[27, 7, 68], Operations: ['4+64=68'] Exploring Operation: 27-7=20, Resulting Numbers: [68, 20] Generated Node #0,3,0: 69:[68, 20] Operation: 27-7=20 Exploring Operation: 7+68=75, Resulting Numbers: [27, 75] Generated Node #0,3,1: 69:[27, 75] Operation: 7+68=75 Exploring Operation: 27+7=34, Resulting Numbers: [68, 34] Generated Node #0,3,2: 69:[68, 34] Operation: 27+7=34 Exploring Operation: 68-7=61, Resulting Numbers: [27, 61] Generated Node #0,3,3: 69:[27, 61] Operation: 68-7=61 Moving to Node #0,0,2 Current State: 69:[20, 68], Operations: ['27-7=20', '4+64=68'] Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 20+68=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 20*68=1360, Resulting Numbers: [1360] 1360,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[68, 20], Operations: ['4+64=68', '27-7=20'] Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[64, 24], Operations: ['27-7=20', '4+20=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,69 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[64, 5], Operations: ['27-7=20', '20/4=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,69 unequal: No Solution Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[27, 4, 64, 7], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [4, 64, 20] Generated Node #0,0: 69:[4, 64, 20] Operation: 27-7=20 Moving to Node #0,0 Current State: 69:[4, 64, 20], Operations: ['27-7=20'] Exploring Operation: 20/4=5, Resulting Numbers: [64, 5] Generated Node #0,0,1: 69:[64, 5] Operation: 20/4=5 Moving to Node #0,0,1 Current State: 69:[64, 5], Operations: ['27-7=20', '20/4=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.947917
hs_4
mult_heuristic
[ 46, 65, 20, 1 ]
92
[ "46+65=111", "20-1=19", "111-19=92" ]
Current State: 92:[46, 65, 20, 1], Operations: [] Exploring Operation: 46+65=111, Resulting Numbers: [20, 1, 111] Generated Node #2: [20, 1, 111] from Operation: 46+65=111 Current State: 92:[20, 1, 111], Operations: ['46+65=111'] Exploring Operation: 20-1=19, Resulting Numbers: [111, 19] Generated Node #3: [111, 19] from Operation: 20-1=19 Current State: 92:[111, 19], Operations: ['46+65=111', '20-1=19'] Exploring Operation: 111-19=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[46, 65, 20, 1], Operations: [] Exploring Operation: 65+20=85, Resulting Numbers: [46, 1, 85] Generated Node #0,0: 92:[46, 1, 85] Operation: 65+20=85 Exploring Operation: 65-46=19, Resulting Numbers: [20, 1, 19] Generated Node #0,1: 92:[20, 1, 19] Operation: 65-46=19 Exploring Operation: 65-20=45, Resulting Numbers: [46, 1, 45] Generated Node #0,2: 92:[46, 1, 45] Operation: 65-20=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[46, 1, 45], Operations: ['65-20=45'] Exploring Operation: 46/1=46, Resulting Numbers: [45, 46] Generated Node #0,2,0: 92:[45, 46] Operation: 46/1=46 Exploring Operation: 46*1=46, Resulting Numbers: [45, 46] Generated Node #0,2,1: 92:[45, 46] Operation: 46*1=46 Exploring Operation: 1+45=46, Resulting Numbers: [46, 46] Generated Node #0,2,2: 92:[46, 46] Operation: 1+45=46 Moving to Node #0,2,2 Current State: 92:[46, 46], Operations: ['65-20=45', '1+45=46'] Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[46, 65, 20, 1], Operations: [] Exploring Operation: 65-20=45, Resulting Numbers: [46, 1, 45] Generated Node #0,2: 92:[46, 1, 45] Operation: 65-20=45 Moving to Node #0,2 Current State: 92:[46, 1, 45], Operations: ['65-20=45'] Exploring Operation: 1+45=46, Resulting Numbers: [46, 46] Generated Node #0,2,2: 92:[46, 46] Operation: 1+45=46 Moving to Node #0,2,2 Current State: 92:[46, 46], Operations: ['65-20=45', '1+45=46'] Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 71, 27, 85, 57 ]
16
[ "71-27=44", "85-57=28", "44-28=16" ]
Current State: 16:[71, 27, 85, 57], Operations: [] Exploring Operation: 71-27=44, Resulting Numbers: [85, 57, 44] Generated Node #2: [85, 57, 44] from Operation: 71-27=44 Current State: 16:[85, 57, 44], Operations: ['71-27=44'] Exploring Operation: 85-57=28, Resulting Numbers: [44, 28] Generated Node #3: [44, 28] from Operation: 85-57=28 Current State: 16:[44, 28], Operations: ['71-27=44', '85-57=28'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[71, 27, 85, 57], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [27, 57, 14] Generated Node #0,0: 16:[27, 57, 14] Operation: 85-71=14 Exploring Operation: 85-57=28, Resulting Numbers: [71, 27, 28] Generated Node #0,1: 16:[71, 27, 28] Operation: 85-57=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[27, 57, 14], Operations: ['85-71=14'] Exploring Operation: 57-27=30, Resulting Numbers: [14, 30] Generated Node #0,0,0: 16:[14, 30] Operation: 57-27=30 Exploring Operation: 57-14=43, Resulting Numbers: [27, 43] Generated Node #0,0,1: 16:[27, 43] Operation: 57-14=43 Moving to Node #0,0,0 Current State: 16:[14, 30], Operations: ['85-71=14', '57-27=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[71, 27, 85, 57], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [27, 57, 14] Generated Node #0,0: 16:[27, 57, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 16:[27, 57, 14], Operations: ['85-71=14'] Exploring Operation: 57-27=30, Resulting Numbers: [14, 30] Generated Node #0,0,0: 16:[14, 30] Operation: 57-27=30 Moving to Node #0,0,0 Current State: 16:[14, 30], Operations: ['85-71=14', '57-27=30'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 73, 64, 25, 61 ]
95
[ "73-64=9", "25+61=86", "9+86=95" ]
Current State: 95:[73, 64, 25, 61], Operations: [] Exploring Operation: 73-64=9, Resulting Numbers: [25, 61, 9] Generated Node #2: [25, 61, 9] from Operation: 73-64=9 Current State: 95:[25, 61, 9], Operations: ['73-64=9'] Exploring Operation: 25+61=86, Resulting Numbers: [9, 86] Generated Node #3: [9, 86] from Operation: 25+61=86 Current State: 95:[9, 86], Operations: ['73-64=9', '25+61=86'] Exploring Operation: 9+86=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[73, 64, 25, 61], Operations: [] Exploring Operation: 64-61=3, Resulting Numbers: [73, 25, 3] Generated Node #0,0: 95:[73, 25, 3] Operation: 64-61=3 Moving to Node #0,0 Current State: 95:[73, 25, 3], Operations: ['64-61=3'] Exploring Operation: 73+25=98, Resulting Numbers: [3, 98] Generated Node #0,0,0: 95:[3, 98] Operation: 73+25=98 Moving to Node #0,0,0 Current State: 95:[3, 98], Operations: ['64-61=3', '73+25=98'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[73, 64, 25, 61], Operations: [] Exploring Operation: 64-61=3, Resulting Numbers: [73, 25, 3] Generated Node #0,0: 95:[73, 25, 3] Operation: 64-61=3 Moving to Node #0,0 Current State: 95:[73, 25, 3], Operations: ['64-61=3'] Exploring Operation: 73+25=98, Resulting Numbers: [3, 98] Generated Node #0,0,0: 95:[3, 98] Operation: 73+25=98 Moving to Node #0,0,0 Current State: 95:[3, 98], Operations: ['64-61=3', '73+25=98'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 29, 84, 78, 55 ]
87
[ "55-29=26", "78/26=3", "84+3=87" ]
Current State: 87:[29, 84, 78, 55], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [84, 78, 26] Generated Node #2: [84, 78, 26] from Operation: 55-29=26 Current State: 87:[84, 78, 26], Operations: ['55-29=26'] Exploring Operation: 78/26=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 78/26=3 Current State: 87:[84, 3], Operations: ['55-29=26', '78/26=3'] Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[29, 84, 78, 55], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [29, 84, 23] Generated Node #0,0: 87:[29, 84, 23] Operation: 78-55=23 Exploring Operation: 84-55=29, Resulting Numbers: [29, 78, 29] Generated Node #0,1: 87:[29, 78, 29] Operation: 84-55=29 Exploring Operation: 29+55=84, Resulting Numbers: [84, 78, 84] Generated Node #0,2: 87:[84, 78, 84] Operation: 29+55=84 Moving to Node #0,0 Current State: 87:[29, 84, 23], Operations: ['78-55=23'] Exploring Operation: 84+23=107, Resulting Numbers: [29, 107] Generated Node #0,0,0: 87:[29, 107] Operation: 84+23=107 Exploring Operation: 29+23=52, Resulting Numbers: [84, 52] Generated Node #0,0,1: 87:[84, 52] Operation: 29+23=52 Exploring Operation: 29-23=6, Resulting Numbers: [84, 6] Generated Node #0,0,2: 87:[84, 6] Operation: 29-23=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[84, 6], Operations: ['78-55=23', '29-23=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[29, 107], Operations: ['78-55=23', '84+23=107'] Exploring Operation: 29+107=136, Resulting Numbers: [136] 136,87 unequal: No Solution Exploring Operation: 107-29=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 29*107=3103, Resulting Numbers: [3103] 3103,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[84, 52], Operations: ['78-55=23', '29+23=52'] Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,87 unequal: No Solution Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,87 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: 87:[29, 78, 29], Operations: ['84-55=29'] Exploring Operation: 29-29=0, Resulting Numbers: [78, 0] Generated Node #0,1,0: 87:[78, 0] Operation: 29-29=0 Exploring Operation: 29+78=107, Resulting Numbers: [29, 107] Generated Node #0,1,1: 87:[29, 107] Operation: 29+78=107 Exploring Operation: 29/29=1, Resulting Numbers: [78, 1] Generated Node #0,1,2: 87:[78, 1] Operation: 29/29=1 Moving to Node #0,2 Current State: 87:[84, 78, 84], Operations: ['29+55=84'] Exploring Operation: 84/84=1, Resulting Numbers: [78, 1] Generated Node #0,2,0: 87:[78, 1] Operation: 84/84=1 Exploring Operation: 84-78=6, Resulting Numbers: [84, 6] Generated Node #0,2,1: 87:[84, 6] Operation: 84-78=6 Exploring Operation: 84-78=6, Resulting Numbers: [84, 6] Generated Node #0,2,2: 87:[84, 6] Operation: 84-78=6 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[84, 6], Operations: ['29+55=84', '84-78=6'] Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,87 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:[84, 6], Operations: ['29+55=84', '84-78=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,87 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 #0,2,0 Current State: 87:[78, 1], Operations: ['29+55=84', '84/84=1'] Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 87:[78, 1], Operations: ['84-55=29', '29/29=1'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,87 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[78, 0], Operations: ['84-55=29', '29-29=0'] Exploring Operation: 78*0=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 78+0=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 78-0=78, Resulting Numbers: [78] 78,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[29, 107], Operations: ['84-55=29', '29+78=107'] Exploring Operation: 29+107=136, Resulting Numbers: [136] 136,87 unequal: No Solution Exploring Operation: 107-29=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 29*107=3103, Resulting Numbers: [3103] 3103,87 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 78, 46, 6, 57 ]
80
[ "78-57=21", "6*21=126", "126-46=80" ]
Current State: 80:[78, 46, 6, 57], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [46, 6, 21] Generated Node #2: [46, 6, 21] from Operation: 78-57=21 Current State: 80:[46, 6, 21], Operations: ['78-57=21'] Exploring Operation: 6*21=126, Resulting Numbers: [46, 126] Generated Node #3: [46, 126] from Operation: 6*21=126 Current State: 80:[46, 126], Operations: ['78-57=21', '6*21=126'] Exploring Operation: 126-46=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[78, 46, 6, 57], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [78, 46, 63] Generated Node #0,0: 80:[78, 46, 63] Operation: 6+57=63 Exploring Operation: 78-57=21, Resulting Numbers: [46, 6, 21] Generated Node #0,1: 80:[46, 6, 21] Operation: 78-57=21 Exploring Operation: 57-46=11, Resulting Numbers: [78, 6, 11] Generated Node #0,2: 80:[78, 6, 11] Operation: 57-46=11 Exploring Operation: 57-6=51, Resulting Numbers: [78, 46, 51] Generated Node #0,3: 80:[78, 46, 51] Operation: 57-6=51 Exploring Operation: 46-6=40, Resulting Numbers: [78, 57, 40] Generated Node #0,4: 80:[78, 57, 40] Operation: 46-6=40 Moving to Node #0,2 Current State: 80:[78, 6, 11], Operations: ['57-46=11'] Exploring Operation: 78-6=72, Resulting Numbers: [11, 72] Generated Node #0,2,0: 80:[11, 72] Operation: 78-6=72 Exploring Operation: 78+6=84, Resulting Numbers: [11, 84] Generated Node #0,2,1: 80:[11, 84] Operation: 78+6=84 Exploring Operation: 6+11=17, Resulting Numbers: [78, 17] Generated Node #0,2,2: 80:[78, 17] Operation: 6+11=17 Exploring Operation: 78/6=13, Resulting Numbers: [11, 13] Generated Node #0,2,3: 80:[11, 13] Operation: 78/6=13 Exploring Operation: 11-6=5, Resulting Numbers: [78, 5] Generated Node #0,2,4: 80:[78, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[78, 5], Operations: ['57-46=11', '11-6=5'] Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,80 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,80 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[78, 17], Operations: ['57-46=11', '6+11=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,80 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[11, 13], Operations: ['57-46=11', '78/6=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,80 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[11, 84], Operations: ['57-46=11', '78+6=84'] Exploring Operation: 11+84=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 11*84=924, Resulting Numbers: [924] 924,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[11, 72], Operations: ['57-46=11', '78-6=72'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,80 unequal: No Solution Exploring Operation: 11*72=792, Resulting Numbers: [792] 792,80 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: 80:[46, 6, 21], Operations: ['78-57=21'] Exploring Operation: 46-21=25, Resulting Numbers: [6, 25] Generated Node #0,1,0: 80:[6, 25] Operation: 46-21=25 Exploring Operation: 6+21=27, Resulting Numbers: [46, 27] Generated Node #0,1,1: 80:[46, 27] Operation: 6+21=27 Exploring Operation: 21-6=15, Resulting Numbers: [46, 15] Generated Node #0,1,2: 80:[46, 15] Operation: 21-6=15 Exploring Operation: 46-6=40, Resulting Numbers: [21, 40] Generated Node #0,1,3: 80:[21, 40] Operation: 46-6=40 Exploring Operation: 46+6=52, Resulting Numbers: [21, 52] Generated Node #0,1,4: 80:[21, 52] Operation: 46+6=52 Moving to Node #0,3 Current State: 80:[78, 46, 51], Operations: ['57-6=51'] Exploring Operation: 51-46=5, Resulting Numbers: [78, 5] Generated Node #0,3,0: 80:[78, 5] Operation: 51-46=5 Exploring Operation: 78+46=124, Resulting Numbers: [51, 124] Generated Node #0,3,1: 80:[51, 124] Operation: 78+46=124 Exploring Operation: 78-46=32, Resulting Numbers: [51, 32] Generated Node #0,3,2: 80:[51, 32] Operation: 78-46=32 Exploring Operation: 78-51=27, Resulting Numbers: [46, 27] Generated Node #0,3,3: 80:[46, 27] Operation: 78-51=27 Exploring Operation: 46+51=97, Resulting Numbers: [78, 97] Generated Node #0,3,4: 80:[78, 97] Operation: 46+51=97 Moving to Node #0,4 Current State: 80:[78, 57, 40], Operations: ['46-6=40'] Exploring Operation: 78-40=38, Resulting Numbers: [57, 38] Generated Node #0,4,0: 80:[57, 38] Operation: 78-40=38 Exploring Operation: 78-57=21, Resulting Numbers: [40, 21] Generated Node #0,4,1: 80:[40, 21] Operation: 78-57=21 Exploring Operation: 57+40=97, Resulting Numbers: [78, 97] Generated Node #0,4,2: 80:[78, 97] Operation: 57+40=97 Exploring Operation: 78+57=135, Resulting Numbers: [40, 135] Generated Node #0,4,3: 80:[40, 135] Operation: 78+57=135 Exploring Operation: 57-40=17, Resulting Numbers: [78, 17] Generated Node #0,4,4: 80:[78, 17] Operation: 57-40=17 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[40, 21], Operations: ['46-6=40', '78-57=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,80 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 80:[78, 17], Operations: ['46-6=40', '57-40=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,80 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 80:[57, 38], Operations: ['46-6=40', '78-40=38'] Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 80:[78, 97], Operations: ['46-6=40', '57+40=97'] Exploring Operation: 78*97=7566, Resulting Numbers: [7566] 7566,80 unequal: No Solution Exploring Operation: 78+97=175, Resulting Numbers: [175] 175,80 unequal: No Solution Exploring Operation: 97-78=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 80:[40, 135], Operations: ['46-6=40', '78+57=135'] Exploring Operation: 40+135=175, Resulting Numbers: [175] 175,80 unequal: No Solution Exploring Operation: 135-40=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 40*135=5400, Resulting Numbers: [5400] 5400,80 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: 80:[78, 46, 63], Operations: ['6+57=63'] Exploring Operation: 78+46=124, Resulting Numbers: [63, 124] Generated Node #0,0,0: 80:[63, 124] Operation: 78+46=124 Exploring Operation: 46+63=109, Resulting Numbers: [78, 109] Generated Node #0,0,1: 80:[78, 109] Operation: 46+63=109 Exploring Operation: 63-46=17, Resulting Numbers: [78, 17] Generated Node #0,0,2: 80:[78, 17] Operation: 63-46=17 Exploring Operation: 78-46=32, Resulting Numbers: [63, 32] Generated Node #0,0,3: 80:[63, 32] Operation: 78-46=32 Exploring Operation: 78-63=15, Resulting Numbers: [46, 15] Generated Node #0,0,4: 80:[46, 15] Operation: 78-63=15 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[78, 17], Operations: ['6+57=63', '63-46=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,80 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[46, 15], Operations: ['6+57=63', '78-63=15'] Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[63, 32], Operations: ['6+57=63', '78-46=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[78, 109], Operations: ['6+57=63', '46+63=109'] Exploring Operation: 78+109=187, Resulting Numbers: [187] 187,80 unequal: No Solution Exploring Operation: 109-78=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 78*109=8502, Resulting Numbers: [8502] 8502,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[63, 124], Operations: ['6+57=63', '78+46=124'] Exploring Operation: 63+124=187, Resulting Numbers: [187] 187,80 unequal: No Solution Exploring Operation: 63*124=7812, Resulting Numbers: [7812] 7812,80 unequal: No Solution Exploring Operation: 124-63=61, Resulting Numbers: [61] 61,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 80:[21, 40], Operations: ['78-57=21', '46-6=40'] Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[78, 5], Operations: ['57-6=51', '51-46=5'] Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,80 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[6, 25], Operations: ['78-57=21', '46-21=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,80 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[46, 15], Operations: ['78-57=21', '21-6=15'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[46, 27], Operations: ['57-6=51', '78-51=27'] Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,80 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[21, 52], Operations: ['78-57=21', '46+6=52'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[46, 27], Operations: ['78-57=21', '6+21=27'] Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,80 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[51, 32], Operations: ['57-6=51', '78-46=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,80 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,80 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[78, 97], Operations: ['57-6=51', '46+51=97'] Exploring Operation: 78*97=7566, Resulting Numbers: [7566] 7566,80 unequal: No Solution Exploring Operation: 78+97=175, Resulting Numbers: [175] 175,80 unequal: No Solution Exploring Operation: 97-78=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[51, 124], Operations: ['57-6=51', '78+46=124'] Exploring Operation: 51*124=6324, Resulting Numbers: [6324] 6324,80 unequal: No Solution Exploring Operation: 51+124=175, Resulting Numbers: [175] 175,80 unequal: No Solution Exploring Operation: 124-51=73, Resulting Numbers: [73] 73,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 46, 2, 39, 58 ]
54
[ "46+39=85", "85-58=27", "2*27=54" ]
Current State: 54:[46, 2, 39, 58], Operations: [] Exploring Operation: 46+39=85, Resulting Numbers: [2, 58, 85] Generated Node #2: [2, 58, 85] from Operation: 46+39=85 Current State: 54:[2, 58, 85], Operations: ['46+39=85'] Exploring Operation: 85-58=27, Resulting Numbers: [2, 27] Generated Node #3: [2, 27] from Operation: 85-58=27 Current State: 54:[2, 27], Operations: ['46+39=85', '85-58=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[46, 2, 39, 58], Operations: [] Exploring Operation: 46-39=7, Resulting Numbers: [2, 58, 7] Generated Node #0,0: 54:[2, 58, 7] Operation: 46-39=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[2, 58, 7], Operations: ['46-39=7'] Exploring Operation: 58-2=56, Resulting Numbers: [7, 56] Generated Node #0,0,0: 54:[7, 56] Operation: 58-2=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[7, 56], Operations: ['46-39=7', '58-2=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 28, 94, 32 ]
78
[ "28/14=2", "32/2=16", "94-16=78" ]
Current State: 78:[14, 28, 94, 32], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [94, 32, 2] Generated Node #2: [94, 32, 2] from Operation: 28/14=2 Current State: 78:[94, 32, 2], Operations: ['28/14=2'] Exploring Operation: 32/2=16, Resulting Numbers: [94, 16] Generated Node #3: [94, 16] from Operation: 32/2=16 Current State: 78:[94, 16], Operations: ['28/14=2', '32/2=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[14, 28, 94, 32], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [14, 94, 4] Generated Node #0,0: 78:[14, 94, 4] Operation: 32-28=4 Exploring Operation: 94-28=66, Resulting Numbers: [14, 32, 66] Generated Node #0,1: 78:[14, 32, 66] Operation: 94-28=66 Exploring Operation: 94-14=80, Resulting Numbers: [28, 32, 80] Generated Node #0,2: 78:[28, 32, 80] Operation: 94-14=80 Exploring Operation: 94-32=62, Resulting Numbers: [14, 28, 62] Generated Node #0,3: 78:[14, 28, 62] Operation: 94-32=62 Moving to Node #0,2 Current State: 78:[28, 32, 80], Operations: ['94-14=80'] Exploring Operation: 32-28=4, Resulting Numbers: [80, 4] Generated Node #0,2,0: 78:[80, 4] Operation: 32-28=4 Exploring Operation: 28+32=60, Resulting Numbers: [80, 60] Generated Node #0,2,1: 78:[80, 60] Operation: 28+32=60 Exploring Operation: 80-32=48, Resulting Numbers: [28, 48] Generated Node #0,2,2: 78:[28, 48] Operation: 80-32=48 Exploring Operation: 80-28=52, Resulting Numbers: [32, 52] Generated Node #0,2,3: 78:[32, 52] Operation: 80-28=52 Moving to Node #0,0 Current State: 78:[14, 94, 4], Operations: ['32-28=4'] Exploring Operation: 94-4=90, Resulting Numbers: [14, 90] Generated Node #0,0,0: 78:[14, 90] Operation: 94-4=90 Exploring Operation: 14+4=18, Resulting Numbers: [94, 18] Generated Node #0,0,1: 78:[94, 18] Operation: 14+4=18 Exploring Operation: 94-14=80, Resulting Numbers: [4, 80] Generated Node #0,0,2: 78:[4, 80] Operation: 94-14=80 Exploring Operation: 14-4=10, Resulting Numbers: [94, 10] Generated Node #0,0,3: 78:[94, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[4, 80], Operations: ['32-28=4', '94-14=80'] Exploring Operation: 4*80=320, Resulting Numbers: [320] 320,78 unequal: No Solution Exploring Operation: 4+80=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,78 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 #0,0,0 Current State: 78:[14, 90], Operations: ['32-28=4', '94-4=90'] Exploring Operation: 14+90=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 14*90=1260, Resulting Numbers: [1260] 1260,78 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:[94, 10], Operations: ['32-28=4', '14-4=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,78 unequal: No Solution Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,78 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:[94, 18], Operations: ['32-28=4', '14+4=18'] Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,78 unequal: No Solution Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,78 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:[14, 28, 62], Operations: ['94-32=62'] Exploring Operation: 14+62=76, Resulting Numbers: [28, 76] Generated Node #0,3,0: 78:[28, 76] Operation: 14+62=76 Exploring Operation: 62-14=48, Resulting Numbers: [28, 48] Generated Node #0,3,1: 78:[28, 48] Operation: 62-14=48 Exploring Operation: 62-28=34, Resulting Numbers: [14, 34] Generated Node #0,3,2: 78:[14, 34] Operation: 62-28=34 Exploring Operation: 28+62=90, Resulting Numbers: [14, 90] Generated Node #0,3,3: 78:[14, 90] Operation: 28+62=90 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[28, 76], Operations: ['94-32=62', '14+62=76'] Exploring Operation: 28+76=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 28*76=2128, Resulting Numbers: [2128] 2128,78 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,78 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 #0,3,2 Current State: 78:[14, 34], Operations: ['94-32=62', '62-28=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,78 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,78 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:[28, 48], Operations: ['94-32=62', '62-14=48'] Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,78 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,78 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 #0,3,3 Current State: 78:[14, 90], Operations: ['94-32=62', '28+62=90'] Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 14+90=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 14*90=1260, Resulting Numbers: [1260] 1260,78 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: 78:[14, 32, 66], Operations: ['94-28=66'] Exploring Operation: 14+66=80, Resulting Numbers: [32, 80] Generated Node #0,1,0: 78:[32, 80] Operation: 14+66=80 Exploring Operation: 14+32=46, Resulting Numbers: [66, 46] Generated Node #0,1,1: 78:[66, 46] Operation: 14+32=46 Exploring Operation: 32-14=18, Resulting Numbers: [66, 18] Generated Node #0,1,2: 78:[66, 18] Operation: 32-14=18 Exploring Operation: 66-32=34, Resulting Numbers: [14, 34] Generated Node #0,1,3: 78:[14, 34] Operation: 66-32=34 Moving to Node #0,2,0 Current State: 78:[80, 4], Operations: ['94-14=80', '32-28=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,78 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,78 unequal: No Solution Moving to Node #0,1,3 Current State: 78:[14, 34], Operations: ['94-28=66', '66-32=34'] Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,78 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[32, 80], Operations: ['94-28=66', '14+66=80'] Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 32+80=112, Resulting Numbers: [112] 112,78 unequal: No Solution Exploring Operation: 32*80=2560, Resulting Numbers: [2560] 2560,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[28, 48], Operations: ['94-14=80', '80-32=48'] Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,78 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[66, 18], Operations: ['94-28=66', '32-14=18'] Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[66, 46], Operations: ['94-28=66', '14+32=46'] Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,78 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,78 unequal: No Solution Moving to Node #0,2,3 Current State: 78:[32, 52], Operations: ['94-14=80', '80-28=52'] Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,78 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,78 unequal: No Solution Moving to Node #0,2,1 Current State: 78:[80, 60], Operations: ['94-14=80', '28+32=60'] Exploring Operation: 80*60=4800, Resulting Numbers: [4800] 4800,78 unequal: No Solution Exploring Operation: 80+60=140, Resulting Numbers: [140] 140,78 unequal: No Solution Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,78 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 21, 3, 42, 69 ]
74
[ "42/21=2", "3+69=72", "2+72=74" ]
Current State: 74:[21, 3, 42, 69], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [3, 69, 2] Generated Node #2: [3, 69, 2] from Operation: 42/21=2 Current State: 74:[3, 69, 2], Operations: ['42/21=2'] Exploring Operation: 3+69=72, Resulting Numbers: [2, 72] Generated Node #3: [2, 72] from Operation: 3+69=72 Current State: 74:[2, 72], Operations: ['42/21=2', '3+69=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[21, 3, 42, 69], Operations: [] Exploring Operation: 21*3=63, Resulting Numbers: [42, 69, 63] Generated Node #0,0: 74:[42, 69, 63] Operation: 21*3=63 Exploring Operation: 42/21=2, Resulting Numbers: [3, 69, 2] Generated Node #0,1: 74:[3, 69, 2] Operation: 42/21=2 Exploring Operation: 21+42=63, Resulting Numbers: [3, 69, 63] Generated Node #0,2: 74:[3, 69, 63] Operation: 21+42=63 Exploring Operation: 69-21=48, Resulting Numbers: [3, 42, 48] Generated Node #0,3: 74:[3, 42, 48] Operation: 69-21=48 Exploring Operation: 21/3=7, Resulting Numbers: [42, 69, 7] Generated Node #0,4: 74:[42, 69, 7] Operation: 21/3=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[3, 69, 2], Operations: ['42/21=2'] Exploring Operation: 3-2=1, Resulting Numbers: [69, 1] Generated Node #0,1,0: 74:[69, 1] Operation: 3-2=1 Exploring Operation: 69-3=66, Resulting Numbers: [2, 66] Generated Node #0,1,1: 74:[2, 66] Operation: 69-3=66 Exploring Operation: 3+2=5, Resulting Numbers: [69, 5] Generated Node #0,1,2: 74:[69, 5] Operation: 3+2=5 Exploring Operation: 3+69=72, Resulting Numbers: [2, 72] Generated Node #0,1,3: 74:[2, 72] Operation: 3+69=72 Exploring Operation: 69+2=71, Resulting Numbers: [3, 71] Generated Node #0,1,4: 74:[3, 71] Operation: 69+2=71 Moving to Node #0,1,3 Current State: 74:[2, 72], Operations: ['42/21=2', '3+69=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[21, 3, 42, 69], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [3, 69, 2] Generated Node #0,1: 74:[3, 69, 2] Operation: 42/21=2 Moving to Node #0,1 Current State: 74:[3, 69, 2], Operations: ['42/21=2'] Exploring Operation: 3+69=72, Resulting Numbers: [2, 72] Generated Node #0,1,3: 74:[2, 72] Operation: 3+69=72 Moving to Node #0,1,3 Current State: 74:[2, 72], Operations: ['42/21=2', '3+69=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 26, 10, 26, 89 ]
100
[ "26/26=1", "10+89=99", "1+99=100" ]
Current State: 100:[26, 10, 26, 89], Operations: [] Exploring Operation: 26/26=1, Resulting Numbers: [10, 89, 1] Generated Node #2: [10, 89, 1] from Operation: 26/26=1 Current State: 100:[10, 89, 1], Operations: ['26/26=1'] Exploring Operation: 10+89=99, Resulting Numbers: [1, 99] Generated Node #3: [1, 99] from Operation: 10+89=99 Current State: 100:[1, 99], Operations: ['26/26=1', '10+89=99'] Exploring Operation: 1+99=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[26, 10, 26, 89], Operations: [] Exploring Operation: 10+89=99, Resulting Numbers: [26, 26, 99] Generated Node #0,0: 100:[26, 26, 99] Operation: 10+89=99 Exploring Operation: 26/26=1, Resulting Numbers: [10, 89, 1] Generated Node #0,1: 100:[10, 89, 1] Operation: 26/26=1 Moving to Node #0,0 Current State: 100:[26, 26, 99], Operations: ['10+89=99'] Exploring Operation: 26+26=52, Resulting Numbers: [99, 52] Generated Node #0,0,0: 100:[99, 52] Operation: 26+26=52 Exploring Operation: 26/26=1, Resulting Numbers: [99, 1] Generated Node #0,0,1: 100:[99, 1] Operation: 26/26=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[99, 1], Operations: ['10+89=99', '26/26=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[26, 10, 26, 89], Operations: [] Exploring Operation: 10+89=99, Resulting Numbers: [26, 26, 99] Generated Node #0,0: 100:[26, 26, 99] Operation: 10+89=99 Moving to Node #0,0 Current State: 100:[26, 26, 99], Operations: ['10+89=99'] Exploring Operation: 26/26=1, Resulting Numbers: [99, 1] Generated Node #0,0,1: 100:[99, 1] Operation: 26/26=1 Moving to Node #0,0,1 Current State: 100:[99, 1], Operations: ['10+89=99', '26/26=1'] Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 6, 64, 91, 16 ]
69
[ "6*16=96", "91-64=27", "96-27=69" ]
Current State: 69:[6, 64, 91, 16], Operations: [] Exploring Operation: 6*16=96, Resulting Numbers: [64, 91, 96] Generated Node #2: [64, 91, 96] from Operation: 6*16=96 Current State: 69:[64, 91, 96], Operations: ['6*16=96'] Exploring Operation: 91-64=27, Resulting Numbers: [96, 27] Generated Node #3: [96, 27] from Operation: 91-64=27 Current State: 69:[96, 27], Operations: ['6*16=96', '91-64=27'] Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[6, 64, 91, 16], Operations: [] Exploring Operation: 91-16=75, Resulting Numbers: [6, 64, 75] Generated Node #0,0: 69:[6, 64, 75] Operation: 91-16=75 Exploring Operation: 64/16=4, Resulting Numbers: [6, 91, 4] Generated Node #0,1: 69:[6, 91, 4] Operation: 64/16=4 Exploring Operation: 91-64=27, Resulting Numbers: [6, 16, 27] Generated Node #0,2: 69:[6, 16, 27] Operation: 91-64=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[6, 64, 75], Operations: ['91-16=75'] Exploring Operation: 6+64=70, Resulting Numbers: [75, 70] Generated Node #0,0,0: 69:[75, 70] Operation: 6+64=70 Exploring Operation: 75-64=11, Resulting Numbers: [6, 11] Generated Node #0,0,1: 69:[6, 11] Operation: 75-64=11 Exploring Operation: 75-6=69, Resulting Numbers: [64, 69] Generated Node #0,0,2: 69:[64, 69] Operation: 75-6=69 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[64, 69], Operations: ['91-16=75', '75-6=69'] Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,69 unequal: No Solution Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[75, 70], Operations: ['91-16=75', '6+64=70'] Exploring Operation: 75*70=5250, Resulting Numbers: [5250] 5250,69 unequal: No Solution Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,69 unequal: No Solution Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[6, 11], Operations: ['91-16=75', '75-64=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,69 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[6, 16, 27], Operations: ['91-64=27'] Exploring Operation: 6+16=22, Resulting Numbers: [27, 22] Generated Node #0,2,0: 69:[27, 22] Operation: 6+16=22 Exploring Operation: 27-6=21, Resulting Numbers: [16, 21] Generated Node #0,2,1: 69:[16, 21] Operation: 27-6=21 Exploring Operation: 16-6=10, Resulting Numbers: [27, 10] Generated Node #0,2,2: 69:[27, 10] Operation: 16-6=10 Moving to Node #0,2,0 Current State: 69:[27, 22], Operations: ['91-64=27', '6+16=22'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[16, 21], Operations: ['91-64=27', '27-6=21'] Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,69 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[27, 10], Operations: ['91-64=27', '16-6=10'] Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,69 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[6, 91, 4], Operations: ['64/16=4'] Exploring Operation: 91-4=87, Resulting Numbers: [6, 87] Generated Node #0,1,0: 69:[6, 87] Operation: 91-4=87 Exploring Operation: 6*4=24, Resulting Numbers: [91, 24] Generated Node #0,1,1: 69:[91, 24] Operation: 6*4=24 Exploring Operation: 91-6=85, Resulting Numbers: [4, 85] Generated Node #0,1,2: 69:[4, 85] Operation: 91-6=85 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[4, 85], Operations: ['64/16=4', '91-6=85'] Exploring Operation: 4+85=89, Resulting Numbers: [89] 89,69 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 4*85=340, Resulting Numbers: [340] 340,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[6, 87], Operations: ['64/16=4', '91-4=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 6*87=522, Resulting Numbers: [522] 522,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[91, 24], Operations: ['64/16=4', '6*4=24'] Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 91+24=115, Resulting Numbers: [115] 115,69 unequal: No Solution Exploring Operation: 91*24=2184, Resulting Numbers: [2184] 2184,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 28, 18, 28, 56 ]
18
[ "28+18=46", "56-28=28", "46-28=18" ]
Current State: 18:[28, 18, 28, 56], Operations: [] Exploring Operation: 28+18=46, Resulting Numbers: [56, 46] Generated Node #2: [56, 46] from Operation: 28+18=46 Current State: 18:[56, 46], Operations: ['28+18=46'] Exploring Operation: 56-28=28, Resulting Numbers: [46, 28] Generated Node #3: [46, 28] from Operation: 56-28=28 Current State: 18:[46, 28], Operations: ['28+18=46', '56-28=28'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[28, 18, 28, 56], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [18, 28, 2] Generated Node #0,0: 18:[18, 28, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [18, 28, 28] Generated Node #0,1: 18:[18, 28, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [28, 18, 2] Generated Node #0,2: 18:[28, 18, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 18:[18, 28, 2], Operations: ['56/28=2'] Exploring Operation: 28-2=26, Resulting Numbers: [18, 26] Generated Node #0,0,0: 18:[18, 26] Operation: 28-2=26 Exploring Operation: 28/2=14, Resulting Numbers: [18, 14] Generated Node #0,0,1: 18:[18, 14] Operation: 28/2=14 Exploring Operation: 28-18=10, Resulting Numbers: [2, 10] Generated Node #0,0,2: 18:[2, 10] Operation: 28-18=10 Moving to Node #0,2 Current State: 18:[28, 18, 2], Operations: ['56/28=2'] Exploring Operation: 28-18=10, Resulting Numbers: [2, 10] Generated Node #0,2,0: 18:[2, 10] Operation: 28-18=10 Exploring Operation: 28/2=14, Resulting Numbers: [18, 14] Generated Node #0,2,1: 18:[18, 14] Operation: 28/2=14 Exploring Operation: 28-2=26, Resulting Numbers: [18, 26] Generated Node #0,2,2: 18:[18, 26] Operation: 28-2=26 Moving to Node #0,1 Current State: 18:[18, 28, 28], Operations: ['56-28=28'] Exploring Operation: 28/28=1, Resulting Numbers: [18, 1] Generated Node #0,1,0: 18:[18, 1] Operation: 28/28=1 Exploring Operation: 28-18=10, Resulting Numbers: [28, 10] Generated Node #0,1,1: 18:[28, 10] Operation: 28-18=10 Exploring Operation: 28-28=0, Resulting Numbers: [18, 0] Generated Node #0,1,2: 18:[18, 0] Operation: 28-28=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[18, 1], Operations: ['56-28=28', '28/28=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[28, 18, 28, 56], Operations: [] Exploring Operation: 56-28=28, Resulting Numbers: [18, 28, 28] Generated Node #0,1: 18:[18, 28, 28] Operation: 56-28=28 Moving to Node #0,1 Current State: 18:[18, 28, 28], Operations: ['56-28=28'] Exploring Operation: 28/28=1, Resulting Numbers: [18, 1] Generated Node #0,1,0: 18:[18, 1] Operation: 28/28=1 Moving to Node #0,1,0 Current State: 18:[18, 1], Operations: ['56-28=28', '28/28=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 36, 99, 81, 62 ]
67
[ "99+81=180", "180/36=5", "62+5=67" ]
Current State: 67:[36, 99, 81, 62], Operations: [] Exploring Operation: 99+81=180, Resulting Numbers: [36, 62, 180] Generated Node #2: [36, 62, 180] from Operation: 99+81=180 Current State: 67:[36, 62, 180], Operations: ['99+81=180'] Exploring Operation: 180/36=5, Resulting Numbers: [62, 5] Generated Node #3: [62, 5] from Operation: 180/36=5 Current State: 67:[62, 5], Operations: ['99+81=180', '180/36=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[36, 99, 81, 62], Operations: [] Exploring Operation: 36+62=98, Resulting Numbers: [99, 81, 98] Generated Node #0,0: 67:[99, 81, 98] Operation: 36+62=98 Exploring Operation: 99-36=63, Resulting Numbers: [81, 62, 63] Generated Node #0,1: 67:[81, 62, 63] Operation: 99-36=63 Exploring Operation: 81-36=45, Resulting Numbers: [99, 62, 45] Generated Node #0,2: 67:[99, 62, 45] Operation: 81-36=45 Exploring Operation: 99-62=37, Resulting Numbers: [36, 81, 37] Generated Node #0,3: 67:[36, 81, 37] Operation: 99-62=37 Moving to Node #0,1 Current State: 67:[81, 62, 63], Operations: ['99-36=63'] Exploring Operation: 62+63=125, Resulting Numbers: [81, 125] Generated Node #0,1,0: 67:[81, 125] Operation: 62+63=125 Exploring Operation: 81+62=143, Resulting Numbers: [63, 143] Generated Node #0,1,1: 67:[63, 143] Operation: 81+62=143 Exploring Operation: 81-63=18, Resulting Numbers: [62, 18] Generated Node #0,1,2: 67:[62, 18] Operation: 81-63=18 Exploring Operation: 81-62=19, Resulting Numbers: [63, 19] Generated Node #0,1,3: 67:[63, 19] Operation: 81-62=19 Moving to Node #0,2 Current State: 67:[99, 62, 45], Operations: ['81-36=45'] Exploring Operation: 99-62=37, Resulting Numbers: [45, 37] Generated Node #0,2,0: 67:[45, 37] Operation: 99-62=37 Exploring Operation: 62+45=107, Resulting Numbers: [99, 107] Generated Node #0,2,1: 67:[99, 107] Operation: 62+45=107 Exploring Operation: 99+45=144, Resulting Numbers: [62, 144] Generated Node #0,2,2: 67:[62, 144] Operation: 99+45=144 Exploring Operation: 99-45=54, Resulting Numbers: [62, 54] Generated Node #0,2,3: 67:[62, 54] Operation: 99-45=54 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[62, 54], Operations: ['81-36=45', '99-45=54'] Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,67 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[45, 37], Operations: ['81-36=45', '99-62=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[99, 107], Operations: ['81-36=45', '62+45=107'] Exploring Operation: 107-99=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 99*107=10593, Resulting Numbers: [10593] 10593,67 unequal: No Solution Exploring Operation: 99+107=206, Resulting Numbers: [206] 206,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[62, 144], Operations: ['81-36=45', '99+45=144'] Exploring Operation: 62*144=8928, Resulting Numbers: [8928] 8928,67 unequal: No Solution Exploring Operation: 62+144=206, Resulting Numbers: [206] 206,67 unequal: No Solution Exploring Operation: 144-62=82, Resulting Numbers: [82] 82,67 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: 67:[36, 81, 37], Operations: ['99-62=37'] Exploring Operation: 36+37=73, Resulting Numbers: [81, 73] Generated Node #0,3,0: 67:[81, 73] Operation: 36+37=73 Exploring Operation: 81-37=44, Resulting Numbers: [36, 44] Generated Node #0,3,1: 67:[36, 44] Operation: 81-37=44 Exploring Operation: 36+81=117, Resulting Numbers: [37, 117] Generated Node #0,3,2: 67:[37, 117] Operation: 36+81=117 Exploring Operation: 81-36=45, Resulting Numbers: [37, 45] Generated Node #0,3,3: 67:[37, 45] Operation: 81-36=45 Moving to Node #0,0 Current State: 67:[99, 81, 98], Operations: ['36+62=98'] Exploring Operation: 99-81=18, Resulting Numbers: [98, 18] Generated Node #0,0,0: 67:[98, 18] Operation: 99-81=18 Exploring Operation: 99-98=1, Resulting Numbers: [81, 1] Generated Node #0,0,1: 67:[81, 1] Operation: 99-98=1 Exploring Operation: 99+81=180, Resulting Numbers: [98, 180] Generated Node #0,0,2: 67:[98, 180] Operation: 99+81=180 Exploring Operation: 98-81=17, Resulting Numbers: [99, 17] Generated Node #0,0,3: 67:[99, 17] Operation: 98-81=17 Moving to Node #0,3,0 Current State: 67:[81, 73], Operations: ['99-62=37', '36+37=73'] Exploring Operation: 81*73=5913, Resulting Numbers: [5913] 5913,67 unequal: No Solution Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 81+73=154, Resulting Numbers: [154] 154,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[37, 45], Operations: ['99-62=37', '81-36=45'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,67 unequal: No Solution Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[63, 19], Operations: ['99-36=63', '81-62=19'] Exploring Operation: 63*19=1197, Resulting Numbers: [1197] 1197,67 unequal: No Solution Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[36, 44], Operations: ['99-62=37', '81-37=44'] Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 36*44=1584, Resulting Numbers: [1584] 1584,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[62, 18], Operations: ['99-36=63', '81-63=18'] Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,67 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[81, 125], Operations: ['99-36=63', '62+63=125'] Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,67 unequal: No Solution Exploring Operation: 81*125=10125, Resulting Numbers: [10125] 10125,67 unequal: No Solution Exploring Operation: 81+125=206, Resulting Numbers: [206] 206,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[37, 117], Operations: ['99-62=37', '36+81=117'] Exploring Operation: 117-37=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 37*117=4329, Resulting Numbers: [4329] 4329,67 unequal: No Solution Exploring Operation: 37+117=154, Resulting Numbers: [154] 154,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[81, 1], Operations: ['36+62=98', '99-98=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,67 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[98, 18], Operations: ['36+62=98', '99-81=18'] Exploring Operation: 98-18=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 98+18=116, Resulting Numbers: [116] 116,67 unequal: No Solution Exploring Operation: 98*18=1764, Resulting Numbers: [1764] 1764,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[63, 143], Operations: ['99-36=63', '81+62=143'] Exploring Operation: 63+143=206, Resulting Numbers: [206] 206,67 unequal: No Solution Exploring Operation: 63*143=9009, Resulting Numbers: [9009] 9009,67 unequal: No Solution Exploring Operation: 143-63=80, Resulting Numbers: [80] 80,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[99, 17], Operations: ['36+62=98', '98-81=17'] Exploring Operation: 99*17=1683, Resulting Numbers: [1683] 1683,67 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 99+17=116, Resulting Numbers: [116] 116,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[98, 180], Operations: ['36+62=98', '99+81=180'] Exploring Operation: 180-98=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 98*180=17640, Resulting Numbers: [17640] 17640,67 unequal: No Solution Exploring Operation: 98+180=278, Resulting Numbers: [278] 278,67 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 11, 21, 67, 86 ]
51
[ "11+21=32", "86-67=19", "32+19=51" ]
Current State: 51:[11, 21, 67, 86], Operations: [] Exploring Operation: 11+21=32, Resulting Numbers: [67, 86, 32] Generated Node #2: [67, 86, 32] from Operation: 11+21=32 Current State: 51:[67, 86, 32], Operations: ['11+21=32'] Exploring Operation: 86-67=19, Resulting Numbers: [32, 19] Generated Node #3: [32, 19] from Operation: 86-67=19 Current State: 51:[32, 19], Operations: ['11+21=32', '86-67=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[11, 21, 67, 86], Operations: [] Exploring Operation: 86-67=19, Resulting Numbers: [11, 21, 19] Generated Node #0,0: 51:[11, 21, 19] Operation: 86-67=19 Moving to Node #0,0 Current State: 51:[11, 21, 19], Operations: ['86-67=19'] Exploring Operation: 21-19=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 51:[11, 2] Operation: 21-19=2 Moving to Node #0,0,0 Current State: 51:[11, 2], Operations: ['86-67=19', '21-19=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 96, 72, 14, 93 ]
83
[ "96-72=24", "14+93=107", "107-24=83" ]
Current State: 83:[96, 72, 14, 93], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [14, 93, 24] Generated Node #2: [14, 93, 24] from Operation: 96-72=24 Current State: 83:[14, 93, 24], Operations: ['96-72=24'] Exploring Operation: 14+93=107, Resulting Numbers: [24, 107] Generated Node #3: [24, 107] from Operation: 14+93=107 Current State: 83:[24, 107], Operations: ['96-72=24', '14+93=107'] Exploring Operation: 107-24=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[96, 72, 14, 93], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [96, 72, 79] Generated Node #0,0: 83:[96, 72, 79] Operation: 93-14=79 Exploring Operation: 96+14=110, Resulting Numbers: [72, 93, 110] Generated Node #0,1: 83:[72, 93, 110] Operation: 96+14=110 Exploring Operation: 72+14=86, Resulting Numbers: [96, 93, 86] Generated Node #0,2: 83:[96, 93, 86] Operation: 72+14=86 Exploring Operation: 96-14=82, Resulting Numbers: [72, 93, 82] Generated Node #0,3: 83:[72, 93, 82] Operation: 96-14=82 Moving to Node #0,3 Current State: 83:[72, 93, 82], Operations: ['96-14=82'] Exploring Operation: 72+82=154, Resulting Numbers: [93, 154] Generated Node #0,3,0: 83:[93, 154] Operation: 72+82=154 Exploring Operation: 72+93=165, Resulting Numbers: [82, 165] Generated Node #0,3,1: 83:[82, 165] Operation: 72+93=165 Exploring Operation: 82-72=10, Resulting Numbers: [93, 10] Generated Node #0,3,2: 83:[93, 10] Operation: 82-72=10 Exploring Operation: 93-72=21, Resulting Numbers: [82, 21] Generated Node #0,3,3: 83:[82, 21] Operation: 93-72=21 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[82, 21], Operations: ['96-14=82', '93-72=21'] Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,83 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[93, 154], Operations: ['96-14=82', '72+82=154'] Exploring Operation: 93+154=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 93*154=14322, Resulting Numbers: [14322] 14322,83 unequal: No Solution Exploring Operation: 154-93=61, Resulting Numbers: [61] 61,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 83:[82, 165], Operations: ['96-14=82', '72+93=165'] Exploring Operation: 82+165=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 82*165=13530, Resulting Numbers: [13530] 13530,83 unequal: No Solution Exploring Operation: 165-82=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[96, 72, 14, 93], Operations: [] Exploring Operation: 96-14=82, Resulting Numbers: [72, 93, 82] Generated Node #0,3: 83:[72, 93, 82] Operation: 96-14=82 Moving to Node #0,3 Current State: 83:[72, 93, 82], Operations: ['96-14=82'] Exploring Operation: 72+93=165, Resulting Numbers: [82, 165] Generated Node #0,3,1: 83:[82, 165] Operation: 72+93=165 Moving to Node #0,3,1 Current State: 83:[82, 165], Operations: ['96-14=82', '72+93=165'] Exploring Operation: 165-82=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 11, 22, 25, 60 ]
52
[ "11+22=33", "25+60=85", "85-33=52" ]
Current State: 52:[11, 22, 25, 60], Operations: [] Exploring Operation: 11+22=33, Resulting Numbers: [25, 60, 33] Generated Node #2: [25, 60, 33] from Operation: 11+22=33 Current State: 52:[25, 60, 33], Operations: ['11+22=33'] Exploring Operation: 25+60=85, Resulting Numbers: [33, 85] Generated Node #3: [33, 85] from Operation: 25+60=85 Current State: 52:[33, 85], Operations: ['11+22=33', '25+60=85'] Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[11, 22, 25, 60], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [22, 25, 49] Generated Node #0,0: 52:[22, 25, 49] Operation: 60-11=49 Moving to Node #0,0 Current State: 52:[22, 25, 49], Operations: ['60-11=49'] Exploring Operation: 49-22=27, Resulting Numbers: [25, 27] Generated Node #0,0,0: 52:[25, 27] Operation: 49-22=27 Moving to Node #0,0,0 Current State: 52:[25, 27], Operations: ['60-11=49', '49-22=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[11, 22, 25, 60], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [22, 25, 49] Generated Node #0,0: 52:[22, 25, 49] Operation: 60-11=49 Moving to Node #0,0 Current State: 52:[22, 25, 49], Operations: ['60-11=49'] Exploring Operation: 49-22=27, Resulting Numbers: [25, 27] Generated Node #0,0,0: 52:[25, 27] Operation: 49-22=27 Moving to Node #0,0,0 Current State: 52:[25, 27], Operations: ['60-11=49', '49-22=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 58, 3, 34, 8 ]
44
[ "34+8=42", "42/3=14", "58-14=44" ]
Current State: 44:[58, 3, 34, 8], Operations: [] Exploring Operation: 34+8=42, Resulting Numbers: [58, 3, 42] Generated Node #2: [58, 3, 42] from Operation: 34+8=42 Current State: 44:[58, 3, 42], Operations: ['34+8=42'] Exploring Operation: 42/3=14, Resulting Numbers: [58, 14] Generated Node #3: [58, 14] from Operation: 42/3=14 Current State: 44:[58, 14], Operations: ['34+8=42', '42/3=14'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[58, 3, 34, 8], Operations: [] Exploring Operation: 58-34=24, Resulting Numbers: [3, 8, 24] Generated Node #0,0: 44:[3, 8, 24] Operation: 58-34=24 Exploring Operation: 58-8=50, Resulting Numbers: [3, 34, 50] Generated Node #0,1: 44:[3, 34, 50] Operation: 58-8=50 Moving to Node #0,0 Current State: 44:[3, 8, 24], Operations: ['58-34=24'] Exploring Operation: 3+8=11, Resulting Numbers: [24, 11] Generated Node #0,0,0: 44:[24, 11] Operation: 3+8=11 Exploring Operation: 24/8=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 44:[3, 3] Operation: 24/8=3 Moving to Node #0,1 Current State: 44:[3, 34, 50], Operations: ['58-8=50'] Exploring Operation: 3+34=37, Resulting Numbers: [50, 37] Generated Node #0,1,0: 44:[50, 37] Operation: 3+34=37 Exploring Operation: 50-34=16, Resulting Numbers: [3, 16] Generated Node #0,1,1: 44:[3, 16] Operation: 50-34=16 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[3, 16], Operations: ['58-8=50', '50-34=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[50, 37], Operations: ['58-8=50', '3+34=37'] Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 50+37=87, Resulting Numbers: [87] 87,44 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: 44:[24, 11], Operations: ['58-34=24', '3+8=11'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[3, 3], Operations: ['58-34=24', '24/8=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,44 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 50, 30, 43, 12 ]
49
[ "50+30=80", "43-12=31", "80-31=49" ]
Current State: 49:[50, 30, 43, 12], Operations: [] Exploring Operation: 50+30=80, Resulting Numbers: [43, 12, 80] Generated Node #2: [43, 12, 80] from Operation: 50+30=80 Current State: 49:[43, 12, 80], Operations: ['50+30=80'] Exploring Operation: 43-12=31, Resulting Numbers: [80, 31] Generated Node #3: [80, 31] from Operation: 43-12=31 Current State: 49:[80, 31], Operations: ['50+30=80', '43-12=31'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[50, 30, 43, 12], Operations: [] Exploring Operation: 30+12=42, Resulting Numbers: [50, 43, 42] Generated Node #0,0: 49:[50, 43, 42] Operation: 30+12=42 Exploring Operation: 30-12=18, Resulting Numbers: [50, 43, 18] Generated Node #0,1: 49:[50, 43, 18] Operation: 30-12=18 Exploring Operation: 43-30=13, Resulting Numbers: [50, 12, 13] Generated Node #0,2: 49:[50, 12, 13] Operation: 43-30=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[50, 12, 13], Operations: ['43-30=13'] Exploring Operation: 50-12=38, Resulting Numbers: [13, 38] Generated Node #0,2,0: 49:[13, 38] Operation: 50-12=38 Exploring Operation: 13-12=1, Resulting Numbers: [50, 1] Generated Node #0,2,1: 49:[50, 1] Operation: 13-12=1 Exploring Operation: 50-13=37, Resulting Numbers: [12, 37] Generated Node #0,2,2: 49:[12, 37] Operation: 50-13=37 Moving to Node #0,2,1 Current State: 49:[50, 1], Operations: ['43-30=13', '13-12=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[50, 30, 43, 12], Operations: [] Exploring Operation: 43-30=13, Resulting Numbers: [50, 12, 13] Generated Node #0,2: 49:[50, 12, 13] Operation: 43-30=13 Moving to Node #0,2 Current State: 49:[50, 12, 13], Operations: ['43-30=13'] Exploring Operation: 13-12=1, Resulting Numbers: [50, 1] Generated Node #0,2,1: 49:[50, 1] Operation: 13-12=1 Moving to Node #0,2,1 Current State: 49:[50, 1], Operations: ['43-30=13', '13-12=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 11, 23, 60, 92 ]
53
[ "60-11=49", "92/23=4", "49+4=53" ]
Current State: 53:[11, 23, 60, 92], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [23, 92, 49] Generated Node #2: [23, 92, 49] from Operation: 60-11=49 Current State: 53:[23, 92, 49], Operations: ['60-11=49'] Exploring Operation: 92/23=4, Resulting Numbers: [49, 4] Generated Node #3: [49, 4] from Operation: 92/23=4 Current State: 53:[49, 4], Operations: ['60-11=49', '92/23=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[11, 23, 60, 92], Operations: [] Exploring Operation: 11+23=34, Resulting Numbers: [60, 92, 34] Generated Node #0,0: 53:[60, 92, 34] Operation: 11+23=34 Exploring Operation: 23-11=12, Resulting Numbers: [60, 92, 12] Generated Node #0,1: 53:[60, 92, 12] Operation: 23-11=12 Exploring Operation: 92-11=81, Resulting Numbers: [23, 60, 81] Generated Node #0,2: 53:[23, 60, 81] Operation: 92-11=81 Exploring Operation: 60-11=49, Resulting Numbers: [23, 92, 49] Generated Node #0,3: 53:[23, 92, 49] Operation: 60-11=49 Exploring Operation: 92-23=69, Resulting Numbers: [11, 60, 69] Generated Node #0,4: 53:[11, 60, 69] Operation: 92-23=69 Moving to Node #0,0 Current State: 53:[60, 92, 34], Operations: ['11+23=34'] Exploring Operation: 60-34=26, Resulting Numbers: [92, 26] Generated Node #0,0,0: 53:[92, 26] Operation: 60-34=26 Exploring Operation: 92-34=58, Resulting Numbers: [60, 58] Generated Node #0,0,1: 53:[60, 58] Operation: 92-34=58 Exploring Operation: 92+34=126, Resulting Numbers: [60, 126] Generated Node #0,0,2: 53:[60, 126] Operation: 92+34=126 Exploring Operation: 92-60=32, Resulting Numbers: [34, 32] Generated Node #0,0,3: 53:[34, 32] Operation: 92-60=32 Exploring Operation: 60+34=94, Resulting Numbers: [92, 94] Generated Node #0,0,4: 53:[92, 94] Operation: 60+34=94 Moving to Node #0,4 Current State: 53:[11, 60, 69], Operations: ['92-23=69'] Exploring Operation: 69-11=58, Resulting Numbers: [60, 58] Generated Node #0,4,0: 53:[60, 58] Operation: 69-11=58 Exploring Operation: 11+60=71, Resulting Numbers: [69, 71] Generated Node #0,4,1: 53:[69, 71] Operation: 11+60=71 Exploring Operation: 11+69=80, Resulting Numbers: [60, 80] Generated Node #0,4,2: 53:[60, 80] Operation: 11+69=80 Exploring Operation: 60-11=49, Resulting Numbers: [69, 49] Generated Node #0,4,3: 53:[69, 49] Operation: 60-11=49 Exploring Operation: 69-60=9, Resulting Numbers: [11, 9] Generated Node #0,4,4: 53:[11, 9] Operation: 69-60=9 Moving to Node #0,2 Current State: 53:[23, 60, 81], Operations: ['92-11=81'] Exploring Operation: 23+60=83, Resulting Numbers: [81, 83] Generated Node #0,2,0: 53:[81, 83] Operation: 23+60=83 Exploring Operation: 60-23=37, Resulting Numbers: [81, 37] Generated Node #0,2,1: 53:[81, 37] Operation: 60-23=37 Exploring Operation: 81-60=21, Resulting Numbers: [23, 21] Generated Node #0,2,2: 53:[23, 21] Operation: 81-60=21 Exploring Operation: 23+81=104, Resulting Numbers: [60, 104] Generated Node #0,2,3: 53:[60, 104] Operation: 23+81=104 Exploring Operation: 81-23=58, Resulting Numbers: [60, 58] Generated Node #0,2,4: 53:[60, 58] Operation: 81-23=58 Moving to Node #0,3 Current State: 53:[23, 92, 49], Operations: ['60-11=49'] Exploring Operation: 92-49=43, Resulting Numbers: [23, 43] Generated Node #0,3,0: 53:[23, 43] Operation: 92-49=43 Exploring Operation: 23+49=72, Resulting Numbers: [92, 72] Generated Node #0,3,1: 53:[92, 72] Operation: 23+49=72 Exploring Operation: 92/23=4, Resulting Numbers: [49, 4] Generated Node #0,3,2: 53:[49, 4] Operation: 92/23=4 Exploring Operation: 92-23=69, Resulting Numbers: [49, 69] Generated Node #0,3,3: 53:[49, 69] Operation: 92-23=69 Exploring Operation: 23+92=115, Resulting Numbers: [49, 115] Generated Node #0,3,4: 53:[49, 115] Operation: 23+92=115 Moving to Node #0,1 Current State: 53:[60, 92, 12], Operations: ['23-11=12'] Exploring Operation: 92+12=104, Resulting Numbers: [60, 104] Generated Node #0,1,0: 53:[60, 104] Operation: 92+12=104 Exploring Operation: 60-12=48, Resulting Numbers: [92, 48] Generated Node #0,1,1: 53:[92, 48] Operation: 60-12=48 Exploring Operation: 92-60=32, Resulting Numbers: [12, 32] Generated Node #0,1,2: 53:[12, 32] Operation: 92-60=32 Exploring Operation: 92-12=80, Resulting Numbers: [60, 80] Generated Node #0,1,3: 53:[60, 80] Operation: 92-12=80 Exploring Operation: 60+12=72, Resulting Numbers: [92, 72] Generated Node #0,1,4: 53:[92, 72] Operation: 60+12=72 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 53:[60, 80], Operations: ['23-11=12', '92-12=80'] Exploring Operation: 60+80=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 60*80=4800, Resulting Numbers: [4800] 4800,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[92, 48], Operations: ['23-11=12', '60-12=48'] Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 92*48=4416, Resulting Numbers: [4416] 4416,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[60, 104], Operations: ['23-11=12', '92+12=104'] Exploring Operation: 104-60=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 60*104=6240, Resulting Numbers: [6240] 6240,53 unequal: No Solution Exploring Operation: 60+104=164, Resulting Numbers: [164] 164,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 53:[92, 72], Operations: ['23-11=12', '60+12=72'] Exploring Operation: 92+72=164, Resulting Numbers: [164] 164,53 unequal: No Solution Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 92*72=6624, Resulting Numbers: [6624] 6624,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[12, 32], Operations: ['23-11=12', '92-60=32'] Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,53 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,53 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: 53:[60, 58], Operations: ['11+23=34', '92-34=58'] Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,53 unequal: No Solution Moving to Node #0,4,0 Current State: 53:[60, 58], Operations: ['92-23=69', '69-11=58'] Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[60, 58], Operations: ['92-11=81', '81-23=58'] Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,53 unequal: No Solution Moving to Node #0,4,3 Current State: 53:[69, 49], Operations: ['92-23=69', '60-11=49'] Exploring Operation: 69+49=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 69*49=3381, Resulting Numbers: [3381] 3381,53 unequal: No Solution Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[49, 69], Operations: ['60-11=49', '92-23=69'] Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 49*69=3381, Resulting Numbers: [3381] 3381,53 unequal: No Solution Exploring Operation: 49+69=118, Resulting Numbers: [118] 118,53 unequal: No Solution Moving to Node #0,4,1 Current State: 53:[69, 71], Operations: ['92-23=69', '11+60=71'] Exploring Operation: 71-69=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 69+71=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 69*71=4899, Resulting Numbers: [4899] 4899,53 unequal: No Solution Moving to Node #0,4,2 Current State: 53:[60, 80], Operations: ['92-23=69', '11+69=80'] Exploring Operation: 60+80=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 60*80=4800, Resulting Numbers: [4800] 4800,53 unequal: No Solution Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[34, 32], Operations: ['11+23=34', '92-60=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[23, 43], Operations: ['60-11=49', '92-49=43'] Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,53 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[81, 37], Operations: ['92-11=81', '60-23=37'] Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,53 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[49, 4], Operations: ['60-11=49', '92/23=4'] Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,53 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,53 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[11, 23, 60, 92], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [23, 92, 49] Generated Node #0,3: 53:[23, 92, 49] Operation: 60-11=49 Moving to Node #0,3 Current State: 53:[23, 92, 49], Operations: ['60-11=49'] Exploring Operation: 92/23=4, Resulting Numbers: [49, 4] Generated Node #0,3,2: 53:[49, 4] Operation: 92/23=4 Moving to Node #0,3,2 Current State: 53:[49, 4], Operations: ['60-11=49', '92/23=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.928819
hs_5
mult_heuristic
[ 77, 79, 2, 31 ]
25
[ "77+31=108", "108/2=54", "79-54=25" ]
Current State: 25:[77, 79, 2, 31], Operations: [] Exploring Operation: 77+31=108, Resulting Numbers: [79, 2, 108] Generated Node #2: [79, 2, 108] from Operation: 77+31=108 Current State: 25:[79, 2, 108], Operations: ['77+31=108'] Exploring Operation: 108/2=54, Resulting Numbers: [79, 54] Generated Node #3: [79, 54] from Operation: 108/2=54 Current State: 25:[79, 54], Operations: ['77+31=108', '108/2=54'] Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[77, 79, 2, 31], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [2, 31, 2] Generated Node #0,0: 25:[2, 31, 2] Operation: 79-77=2 Exploring Operation: 77-2=75, Resulting Numbers: [79, 31, 75] Generated Node #0,1: 25:[79, 31, 75] Operation: 77-2=75 Exploring Operation: 77-31=46, Resulting Numbers: [79, 2, 46] Generated Node #0,2: 25:[79, 2, 46] Operation: 77-31=46 Exploring Operation: 79-31=48, Resulting Numbers: [77, 2, 48] Generated Node #0,3: 25:[77, 2, 48] Operation: 79-31=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[2, 31, 2], Operations: ['79-77=2'] Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 25:[2, 29] Operation: 31-2=29 Exploring Operation: 2+2=4, Resulting Numbers: [31, 4] Generated Node #0,0,1: 25:[31, 4] Operation: 2+2=4 Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,2: 25:[2, 29] Operation: 31-2=29 Exploring Operation: 2*2=4, Resulting Numbers: [31, 4] Generated Node #0,0,3: 25:[31, 4] Operation: 2*2=4 Moving to Node #0,0,0 Current State: 25:[2, 29], Operations: ['79-77=2', '31-2=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[2, 29], Operations: ['79-77=2', '31-2=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[31, 4], Operations: ['79-77=2', '2+2=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,25 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[31, 4], Operations: ['79-77=2', '2*2=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,25 unequal: No Solution No 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: 25:[79, 2, 46], Operations: ['77-31=46'] Exploring Operation: 79-2=77, Resulting Numbers: [46, 77] Generated Node #0,2,0: 25:[46, 77] Operation: 79-2=77 Exploring Operation: 46-2=44, Resulting Numbers: [79, 44] Generated Node #0,2,1: 25:[79, 44] Operation: 46-2=44 Exploring Operation: 79-46=33, Resulting Numbers: [2, 33] Generated Node #0,2,2: 25:[2, 33] Operation: 79-46=33 Exploring Operation: 46/2=23, Resulting Numbers: [79, 23] Generated Node #0,2,3: 25:[79, 23] Operation: 46/2=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[2, 33], Operations: ['77-31=46', '79-46=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,25 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 #0,2,3 Current State: 25:[79, 23], Operations: ['77-31=46', '46/2=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,25 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,25 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 #0,2,0 Current State: 25:[46, 77], Operations: ['77-31=46', '79-2=77'] Exploring Operation: 46+77=123, Resulting Numbers: [123] 123,25 unequal: No Solution Exploring Operation: 46*77=3542, Resulting Numbers: [3542] 3542,25 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,25 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 #0,2,1 Current State: 25:[79, 44], Operations: ['77-31=46', '46-2=44'] Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,25 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 79*44=3476, Resulting Numbers: [3476] 3476,25 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 #0,3 Current State: 25:[77, 2, 48], Operations: ['79-31=48'] Exploring Operation: 77-2=75, Resulting Numbers: [48, 75] Generated Node #0,3,0: 25:[48, 75] Operation: 77-2=75 Exploring Operation: 48/2=24, Resulting Numbers: [77, 24] Generated Node #0,3,1: 25:[77, 24] Operation: 48/2=24 Exploring Operation: 77-48=29, Resulting Numbers: [2, 29] Generated Node #0,3,2: 25:[2, 29] Operation: 77-48=29 Exploring Operation: 48-2=46, Resulting Numbers: [77, 46] Generated Node #0,3,3: 25:[77, 46] Operation: 48-2=46 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[2, 29], Operations: ['79-31=48', '77-48=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,25 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 #0,3,1 Current State: 25:[77, 24], Operations: ['79-31=48', '48/2=24'] Exploring Operation: 77*24=1848, Resulting Numbers: [1848] 1848,25 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,25 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 #0,3,0 Current State: 25:[48, 75], Operations: ['79-31=48', '77-2=75'] Exploring Operation: 48*75=3600, Resulting Numbers: [3600] 3600,25 unequal: No Solution Exploring Operation: 48+75=123, Resulting Numbers: [123] 123,25 unequal: No Solution Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,25 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 #0,3,3 Current State: 25:[77, 46], Operations: ['79-31=48', '48-2=46'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,25 unequal: No Solution Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,25 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:[79, 31, 75], Operations: ['77-2=75'] Exploring Operation: 79-31=48, Resulting Numbers: [75, 48] Generated Node #0,1,0: 25:[75, 48] Operation: 79-31=48 Exploring Operation: 79-75=4, Resulting Numbers: [31, 4] Generated Node #0,1,1: 25:[31, 4] Operation: 79-75=4 Exploring Operation: 75-31=44, Resulting Numbers: [79, 44] Generated Node #0,1,2: 25:[79, 44] Operation: 75-31=44 Exploring Operation: 79+31=110, Resulting Numbers: [75, 110] Generated Node #0,1,3: 25:[75, 110] Operation: 79+31=110 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[31, 4], Operations: ['77-2=75', '79-75=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,25 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,25 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:[75, 48], Operations: ['77-2=75', '79-31=48'] Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 75*48=3600, Resulting Numbers: [3600] 3600,25 unequal: No Solution Exploring Operation: 75+48=123, Resulting Numbers: [123] 123,25 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 #0,1,2 Current State: 25:[79, 44], Operations: ['77-2=75', '75-31=44'] Exploring Operation: 79*44=3476, Resulting Numbers: [3476] 3476,25 unequal: No Solution Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,25 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,25 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 #0,1,3 Current State: 25:[75, 110], Operations: ['77-2=75', '79+31=110'] Exploring Operation: 75+110=185, Resulting Numbers: [185] 185,25 unequal: No Solution Exploring Operation: 75*110=8250, Resulting Numbers: [8250] 8250,25 unequal: No Solution Exploring Operation: 110-75=35, Resulting Numbers: [35] 35,25 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_4
sum_heuristic
[ 15, 30, 17, 14 ]
29
[ "30/15=2", "17+14=31", "31-2=29" ]
Current State: 29:[15, 30, 17, 14], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [17, 14, 2] Generated Node #2: [17, 14, 2] from Operation: 30/15=2 Current State: 29:[17, 14, 2], Operations: ['30/15=2'] Exploring Operation: 17+14=31, Resulting Numbers: [2, 31] Generated Node #3: [2, 31] from Operation: 17+14=31 Current State: 29:[2, 31], Operations: ['30/15=2', '17+14=31'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[15, 30, 17, 14], Operations: [] Exploring Operation: 17+14=31, Resulting Numbers: [15, 30, 31] Generated Node #0,0: 29:[15, 30, 31] Operation: 17+14=31 Exploring Operation: 15+14=29, Resulting Numbers: [30, 17, 29] Generated Node #0,1: 29:[30, 17, 29] Operation: 15+14=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[30, 17, 29], Operations: ['15+14=29'] Exploring Operation: 30+17=47, Resulting Numbers: [29, 47] Generated Node #0,1,0: 29:[29, 47] Operation: 30+17=47 Exploring Operation: 30-17=13, Resulting Numbers: [29, 13] Generated Node #0,1,1: 29:[29, 13] Operation: 30-17=13 Moving to Node #0,1,1 Current State: 29:[29, 13], Operations: ['15+14=29', '30-17=13'] Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[29, 47], Operations: ['15+14=29', '30+17=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,29 unequal: No Solution No 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: 29:[15, 30, 31], Operations: ['17+14=31'] Exploring Operation: 30-15=15, Resulting Numbers: [31, 15] Generated Node #0,0,0: 29:[31, 15] Operation: 30-15=15 Exploring Operation: 31-15=16, Resulting Numbers: [30, 16] Generated Node #0,0,1: 29:[30, 16] Operation: 31-15=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[30, 16], Operations: ['17+14=31', '31-15=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,29 unequal: No Solution No 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: 29:[31, 15], Operations: ['17+14=31', '30-15=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,29 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,29 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, 72, 17, 12 ]
77
[ "55+72=127", "17*12=204", "204-127=77" ]
Current State: 77:[55, 72, 17, 12], Operations: [] Exploring Operation: 55+72=127, Resulting Numbers: [17, 12, 127] Generated Node #2: [17, 12, 127] from Operation: 55+72=127 Current State: 77:[17, 12, 127], Operations: ['55+72=127'] Exploring Operation: 17*12=204, Resulting Numbers: [127, 204] Generated Node #3: [127, 204] from Operation: 17*12=204 Current State: 77:[127, 204], Operations: ['55+72=127', '17*12=204'] Exploring Operation: 204-127=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[55, 72, 17, 12], Operations: [] Exploring Operation: 55+17=72, Resulting Numbers: [72, 12, 72] Generated Node #0,0: 77:[72, 12, 72] Operation: 55+17=72 Exploring Operation: 72-55=17, Resulting Numbers: [17, 12, 17] Generated Node #0,1: 77:[17, 12, 17] Operation: 72-55=17 Exploring Operation: 55+12=67, Resulting Numbers: [72, 17, 67] Generated Node #0,2: 77:[72, 17, 67] Operation: 55+12=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[72, 12, 72], Operations: ['55+17=72'] Exploring Operation: 72/72=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 77:[12, 1] Operation: 72/72=1 Exploring Operation: 72/12=6, Resulting Numbers: [72, 6] Generated Node #0,0,1: 77:[72, 6] Operation: 72/12=6 Exploring Operation: 72/12=6, Resulting Numbers: [72, 6] Generated Node #0,0,2: 77:[72, 6] Operation: 72/12=6 Moving to Node #0,0,1 Current State: 77:[72, 6], Operations: ['55+17=72', '72/12=6'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[72, 6], Operations: ['55+17=72', '72/12=6'] Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[12, 1], Operations: ['55+17=72', '72/72=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[17, 12, 17], Operations: ['72-55=17'] Exploring Operation: 17/17=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 77:[12, 1] Operation: 17/17=1 Exploring Operation: 17-12=5, Resulting Numbers: [17, 5] Generated Node #0,1,1: 77:[17, 5] Operation: 17-12=5 Exploring Operation: 17-17=0, Resulting Numbers: [12, 0] Generated Node #0,1,2: 77:[12, 0] Operation: 17-17=0 Moving to Node #0,1,0 Current State: 77:[12, 1], Operations: ['72-55=17', '17/17=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[17, 5], Operations: ['72-55=17', '17-12=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[12, 0], Operations: ['72-55=17', '17-17=0'] Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[72, 17, 67], Operations: ['55+12=67'] Exploring Operation: 72-67=5, Resulting Numbers: [17, 5] Generated Node #0,2,0: 77:[17, 5] Operation: 72-67=5 Exploring Operation: 72+17=89, Resulting Numbers: [67, 89] Generated Node #0,2,1: 77:[67, 89] Operation: 72+17=89 Exploring Operation: 17+67=84, Resulting Numbers: [72, 84] Generated Node #0,2,2: 77:[72, 84] Operation: 17+67=84 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 77:[17, 5], Operations: ['55+12=67', '72-67=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 17*5=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 #0,2,2 Current State: 77:[72, 84], Operations: ['55+12=67', '17+67=84'] Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 72+84=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 72*84=6048, Resulting Numbers: [6048] 6048,77 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 #0,2,1 Current State: 77:[67, 89], Operations: ['55+12=67', '72+17=89'] Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 67*89=5963, Resulting Numbers: [5963] 5963,77 unequal: No Solution Exploring Operation: 67+89=156, Resulting Numbers: [156] 156,77 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
[ 21, 4, 91, 4 ]
71
[ "91-21=70", "4/4=1", "70+1=71" ]
Current State: 71:[21, 4, 91, 4], Operations: [] Exploring Operation: 91-21=70, Resulting Numbers: [4, 4, 70] Generated Node #2: [4, 4, 70] from Operation: 91-21=70 Current State: 71:[4, 4, 70], Operations: ['91-21=70'] Exploring Operation: 4/4=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 4/4=1 Current State: 71:[70, 1], Operations: ['91-21=70', '4/4=1'] Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[21, 4, 91, 4], Operations: [] Exploring Operation: 21*4=84, Resulting Numbers: [91, 4, 84] Generated Node #0,0: 71:[91, 4, 84] Operation: 21*4=84 Exploring Operation: 21*4=84, Resulting Numbers: [4, 91, 84] Generated Node #0,1: 71:[4, 91, 84] Operation: 21*4=84 Exploring Operation: 21+4=25, Resulting Numbers: [91, 4, 25] Generated Node #0,2: 71:[91, 4, 25] Operation: 21+4=25 Exploring Operation: 4*4=16, Resulting Numbers: [21, 91, 16] Generated Node #0,3: 71:[21, 91, 16] Operation: 4*4=16 Moving to Node #0,0 Current State: 71:[91, 4, 84], Operations: ['21*4=84'] Exploring Operation: 91+4=95, Resulting Numbers: [84, 95] Generated Node #0,0,0: 71:[84, 95] Operation: 91+4=95 Exploring Operation: 84-4=80, Resulting Numbers: [91, 80] Generated Node #0,0,1: 71:[91, 80] Operation: 84-4=80 Exploring Operation: 91-4=87, Resulting Numbers: [84, 87] Generated Node #0,0,2: 71:[84, 87] Operation: 91-4=87 Exploring Operation: 4+84=88, Resulting Numbers: [91, 88] Generated Node #0,0,3: 71:[91, 88] Operation: 4+84=88 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[91, 80], Operations: ['21*4=84', '84-4=80'] Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 91+80=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 91*80=7280, Resulting Numbers: [7280] 7280,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[84, 87], Operations: ['21*4=84', '91-4=87'] Exploring Operation: 87-84=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 84*87=7308, Resulting Numbers: [7308] 7308,71 unequal: No Solution Exploring Operation: 84+87=171, Resulting Numbers: [171] 171,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[84, 95], Operations: ['21*4=84', '91+4=95'] Exploring Operation: 84*95=7980, Resulting Numbers: [7980] 7980,71 unequal: No Solution Exploring Operation: 84+95=179, Resulting Numbers: [179] 179,71 unequal: No Solution Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[91, 88], Operations: ['21*4=84', '4+84=88'] Exploring Operation: 91+88=179, Resulting Numbers: [179] 179,71 unequal: No Solution Exploring Operation: 91*88=8008, Resulting Numbers: [8008] 8008,71 unequal: No Solution Exploring Operation: 91-88=3, Resulting Numbers: [3] 3,71 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: 71:[4, 91, 84], Operations: ['21*4=84'] Exploring Operation: 84-4=80, Resulting Numbers: [91, 80] Generated Node #0,1,0: 71:[91, 80] Operation: 84-4=80 Exploring Operation: 4+84=88, Resulting Numbers: [91, 88] Generated Node #0,1,1: 71:[91, 88] Operation: 4+84=88 Exploring Operation: 4+91=95, Resulting Numbers: [84, 95] Generated Node #0,1,2: 71:[84, 95] Operation: 4+91=95 Exploring Operation: 91-4=87, Resulting Numbers: [84, 87] Generated Node #0,1,3: 71:[84, 87] Operation: 91-4=87 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[91, 80], Operations: ['21*4=84', '84-4=80'] Exploring Operation: 91+80=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 91*80=7280, Resulting Numbers: [7280] 7280,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[84, 87], Operations: ['21*4=84', '91-4=87'] Exploring Operation: 87-84=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 84*87=7308, Resulting Numbers: [7308] 7308,71 unequal: No Solution Exploring Operation: 84+87=171, Resulting Numbers: [171] 171,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[91, 88], Operations: ['21*4=84', '4+84=88'] Exploring Operation: 91*88=8008, Resulting Numbers: [8008] 8008,71 unequal: No Solution Exploring Operation: 91-88=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 91+88=179, Resulting Numbers: [179] 179,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[84, 95], Operations: ['21*4=84', '4+91=95'] Exploring Operation: 84*95=7980, Resulting Numbers: [7980] 7980,71 unequal: No Solution Exploring Operation: 84+95=179, Resulting Numbers: [179] 179,71 unequal: No Solution Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 71:[21, 91, 16], Operations: ['4*4=16'] Exploring Operation: 91-21=70, Resulting Numbers: [16, 70] Generated Node #0,3,0: 71:[16, 70] Operation: 91-21=70 Exploring Operation: 21+16=37, Resulting Numbers: [91, 37] Generated Node #0,3,1: 71:[91, 37] Operation: 21+16=37 Exploring Operation: 21-16=5, Resulting Numbers: [91, 5] Generated Node #0,3,2: 71:[91, 5] Operation: 21-16=5 Exploring Operation: 91-16=75, Resulting Numbers: [21, 75] Generated Node #0,3,3: 71:[21, 75] Operation: 91-16=75 Moving to Node #0,2 Current State: 71:[91, 4, 25], Operations: ['21+4=25'] Exploring Operation: 91+4=95, Resulting Numbers: [25, 95] Generated Node #0,2,0: 71:[25, 95] Operation: 91+4=95 Exploring Operation: 4+25=29, Resulting Numbers: [91, 29] Generated Node #0,2,1: 71:[91, 29] Operation: 4+25=29 Exploring Operation: 4*25=100, Resulting Numbers: [91, 100] Generated Node #0,2,2: 71:[91, 100] Operation: 4*25=100 Exploring Operation: 91-4=87, Resulting Numbers: [25, 87] Generated Node #0,2,3: 71:[25, 87] Operation: 91-4=87 Moving to Node #0,2,2 Current State: 71:[91, 100], Operations: ['21+4=25', '4*25=100'] Exploring Operation: 91+100=191, Resulting Numbers: [191] 191,71 unequal: No Solution Exploring Operation: 91*100=9100, Resulting Numbers: [9100] 9100,71 unequal: No Solution Exploring Operation: 100-91=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[91, 37], Operations: ['4*4=16', '21+16=37'] Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,71 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[21, 75], Operations: ['4*4=16', '91-16=75'] Exploring Operation: 21*75=1575, Resulting Numbers: [1575] 1575,71 unequal: No Solution Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,71 unequal: No Solution Exploring Operation: 21+75=96, Resulting Numbers: [96] 96,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[16, 70], Operations: ['4*4=16', '91-21=70'] Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,71 unequal: No Solution Exploring Operation: 16+70=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 16*70=1120, Resulting Numbers: [1120] 1120,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[91, 29], Operations: ['21+4=25', '4+25=29'] Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 91*29=2639, Resulting Numbers: [2639] 2639,71 unequal: No Solution Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[25, 87], Operations: ['21+4=25', '91-4=87'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[25, 95], Operations: ['21+4=25', '91+4=95'] Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,71 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[91, 5], Operations: ['4*4=16', '21-16=5'] Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,71 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,71 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 18, 60, 7, 48 ]
20
[ "18+7=25", "48*25=1200", "1200/60=20" ]
Current State: 20:[18, 60, 7, 48], Operations: [] Exploring Operation: 18+7=25, Resulting Numbers: [60, 48, 25] Generated Node #2: [60, 48, 25] from Operation: 18+7=25 Current State: 20:[60, 48, 25], Operations: ['18+7=25'] Exploring Operation: 48*25=1200, Resulting Numbers: [60, 1200] Generated Node #3: [60, 1200] from Operation: 48*25=1200 Current State: 20:[60, 1200], Operations: ['18+7=25', '48*25=1200'] Exploring Operation: 1200/60=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[18, 60, 7, 48], Operations: [] Exploring Operation: 60-7=53, Resulting Numbers: [18, 48, 53] Generated Node #0,0: 20:[18, 48, 53] Operation: 60-7=53 Exploring Operation: 60-18=42, Resulting Numbers: [7, 48, 42] Generated Node #0,1: 20:[7, 48, 42] Operation: 60-18=42 Exploring Operation: 48-18=30, Resulting Numbers: [60, 7, 30] Generated Node #0,2: 20:[60, 7, 30] Operation: 48-18=30 Exploring Operation: 60-48=12, Resulting Numbers: [18, 7, 12] Generated Node #0,3: 20:[18, 7, 12] Operation: 60-48=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[18, 7, 12], Operations: ['60-48=12'] Exploring Operation: 18-7=11, Resulting Numbers: [12, 11] Generated Node #0,3,0: 20:[12, 11] Operation: 18-7=11 Exploring Operation: 7+12=19, Resulting Numbers: [18, 19] Generated Node #0,3,1: 20:[18, 19] Operation: 7+12=19 Exploring Operation: 12-7=5, Resulting Numbers: [18, 5] Generated Node #0,3,2: 20:[18, 5] Operation: 12-7=5 Exploring Operation: 18-12=6, Resulting Numbers: [7, 6] Generated Node #0,3,3: 20:[7, 6] Operation: 18-12=6 Moving to Node #0,3,2 Current State: 20:[18, 5], Operations: ['60-48=12', '12-7=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[18, 19], Operations: ['60-48=12', '7+12=19'] Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,20 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[12, 11], Operations: ['60-48=12', '18-7=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,20 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[7, 6], Operations: ['60-48=12', '18-12=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,20 unequal: No Solution No 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: 20:[7, 48, 42], Operations: ['60-18=42'] Exploring Operation: 42-7=35, Resulting Numbers: [48, 35] Generated Node #0,1,0: 20:[48, 35] Operation: 42-7=35 Exploring Operation: 48-42=6, Resulting Numbers: [7, 6] Generated Node #0,1,1: 20:[7, 6] Operation: 48-42=6 Exploring Operation: 48-7=41, Resulting Numbers: [42, 41] Generated Node #0,1,2: 20:[42, 41] Operation: 48-7=41 Exploring Operation: 42/7=6, Resulting Numbers: [48, 6] Generated Node #0,1,3: 20:[48, 6] Operation: 42/7=6 Moving to Node #0,1,1 Current State: 20:[7, 6], Operations: ['60-18=42', '48-42=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[48, 6], Operations: ['60-18=42', '42/7=6'] Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[42, 41], Operations: ['60-18=42', '48-7=41'] Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,20 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[48, 35], Operations: ['60-18=42', '42-7=35'] Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,20 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,20 unequal: No Solution No 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: 20:[60, 7, 30], Operations: ['48-18=30'] Exploring Operation: 60-7=53, Resulting Numbers: [30, 53] Generated Node #0,2,0: 20:[30, 53] Operation: 60-7=53 Exploring Operation: 30-7=23, Resulting Numbers: [60, 23] Generated Node #0,2,1: 20:[60, 23] Operation: 30-7=23 Exploring Operation: 60-30=30, Resulting Numbers: [7, 30] Generated Node #0,2,2: 20:[7, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [7, 2] Generated Node #0,2,3: 20:[7, 2] Operation: 60/30=2 Moving to Node #0,2,3 Current State: 20:[7, 2], Operations: ['48-18=30', '60/30=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[7, 30], Operations: ['48-18=30', '60-30=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,20 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[60, 23], Operations: ['48-18=30', '30-7=23'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[30, 53], Operations: ['48-18=30', '60-7=53'] Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,20 unequal: No Solution No 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: 20:[18, 48, 53], Operations: ['60-7=53'] Exploring Operation: 48-18=30, Resulting Numbers: [53, 30] Generated Node #0,0,0: 20:[53, 30] Operation: 48-18=30 Exploring Operation: 53-48=5, Resulting Numbers: [18, 5] Generated Node #0,0,1: 20:[18, 5] Operation: 53-48=5 Exploring Operation: 18+48=66, Resulting Numbers: [53, 66] Generated Node #0,0,2: 20:[53, 66] Operation: 18+48=66 Exploring Operation: 53-18=35, Resulting Numbers: [48, 35] Generated Node #0,0,3: 20:[48, 35] Operation: 53-18=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[18, 5], Operations: ['60-7=53', '53-48=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,20 unequal: No Solution No 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: 20:[53, 30], Operations: ['60-7=53', '48-18=30'] Exploring Operation: 53*30=1590, Resulting Numbers: [1590] 1590,20 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 53+30=83, Resulting Numbers: [83] 83,20 unequal: No Solution No 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: 20:[48, 35], Operations: ['60-7=53', '53-18=35'] Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,20 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,20 unequal: No Solution No 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: 20:[53, 66], Operations: ['60-7=53', '18+48=66'] Exploring Operation: 53+66=119, Resulting Numbers: [119] 119,20 unequal: No Solution Exploring Operation: 53*66=3498, Resulting Numbers: [3498] 3498,20 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 6, 78, 57, 54 ]
53
[ "78-54=24", "24/6=4", "57-4=53" ]
Current State: 53:[6, 78, 57, 54], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [6, 57, 24] Generated Node #2: [6, 57, 24] from Operation: 78-54=24 Current State: 53:[6, 57, 24], Operations: ['78-54=24'] Exploring Operation: 24/6=4, Resulting Numbers: [57, 4] Generated Node #3: [57, 4] from Operation: 24/6=4 Current State: 53:[57, 4], Operations: ['78-54=24', '24/6=4'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[6, 78, 57, 54], Operations: [] Exploring Operation: 54-6=48, Resulting Numbers: [78, 57, 48] Generated Node #0,0: 53:[78, 57, 48] Operation: 54-6=48 Exploring Operation: 57-6=51, Resulting Numbers: [78, 54, 51] Generated Node #0,1: 53:[78, 54, 51] Operation: 57-6=51 Exploring Operation: 78-6=72, Resulting Numbers: [57, 54, 72] Generated Node #0,2: 53:[57, 54, 72] Operation: 78-6=72 Exploring Operation: 6+78=84, Resulting Numbers: [57, 54, 84] Generated Node #0,3: 53:[57, 54, 84] Operation: 6+78=84 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[57, 54, 72], Operations: ['78-6=72'] Exploring Operation: 72-57=15, Resulting Numbers: [54, 15] Generated Node #0,2,0: 53:[54, 15] Operation: 72-57=15 Exploring Operation: 72-54=18, Resulting Numbers: [57, 18] Generated Node #0,2,1: 53:[57, 18] Operation: 72-54=18 Exploring Operation: 57+54=111, Resulting Numbers: [72, 111] Generated Node #0,2,2: 53:[72, 111] Operation: 57+54=111 Exploring Operation: 57-54=3, Resulting Numbers: [72, 3] Generated Node #0,2,3: 53:[72, 3] Operation: 57-54=3 Moving to Node #0,2,0 Current State: 53:[54, 15], Operations: ['78-6=72', '72-57=15'] Exploring Operation: 54+15=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 54*15=810, Resulting Numbers: [810] 810,53 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[57, 18], Operations: ['78-6=72', '72-54=18'] Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,53 unequal: No Solution Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[72, 3], Operations: ['78-6=72', '57-54=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,53 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[72, 111], Operations: ['78-6=72', '57+54=111'] Exploring Operation: 111-72=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 72+111=183, Resulting Numbers: [183] 183,53 unequal: No Solution Exploring Operation: 72*111=7992, Resulting Numbers: [7992] 7992,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[78, 54, 51], Operations: ['57-6=51'] Exploring Operation: 78-54=24, Resulting Numbers: [51, 24] Generated Node #0,1,0: 53:[51, 24] Operation: 78-54=24 Exploring Operation: 78-51=27, Resulting Numbers: [54, 27] Generated Node #0,1,1: 53:[54, 27] Operation: 78-51=27 Exploring Operation: 54-51=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 53:[78, 3] Operation: 54-51=3 Exploring Operation: 78+51=129, Resulting Numbers: [54, 129] Generated Node #0,1,3: 53:[54, 129] Operation: 78+51=129 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[54, 27], Operations: ['57-6=51', '78-51=27'] Exploring Operation: 54-27=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 54+27=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 54/27=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 54*27=1458, Resulting Numbers: [1458] 1458,53 unequal: No Solution No 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: 53:[51, 24], Operations: ['57-6=51', '78-54=24'] Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,53 unequal: No Solution Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,53 unequal: No Solution No 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: 53:[78, 3], Operations: ['57-6=51', '54-51=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,53 unequal: No Solution No 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: 53:[54, 129], Operations: ['57-6=51', '78+51=129'] Exploring Operation: 129-54=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 54*129=6966, Resulting Numbers: [6966] 6966,53 unequal: No Solution Exploring Operation: 54+129=183, Resulting Numbers: [183] 183,53 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: 53:[78, 57, 48], Operations: ['54-6=48'] Exploring Operation: 78-48=30, Resulting Numbers: [57, 30] Generated Node #0,0,0: 53:[57, 30] Operation: 78-48=30 Exploring Operation: 57-48=9, Resulting Numbers: [78, 9] Generated Node #0,0,1: 53:[78, 9] Operation: 57-48=9 Exploring Operation: 78-57=21, Resulting Numbers: [48, 21] Generated Node #0,0,2: 53:[48, 21] Operation: 78-57=21 Exploring Operation: 78+48=126, Resulting Numbers: [57, 126] Generated Node #0,0,3: 53:[57, 126] Operation: 78+48=126 Moving to Node #0,0,0 Current State: 53:[57, 30], Operations: ['54-6=48', '78-48=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,53 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[48, 21], Operations: ['54-6=48', '78-57=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[78, 9], Operations: ['54-6=48', '57-48=9'] Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[57, 126], Operations: ['54-6=48', '78+48=126'] Exploring Operation: 57*126=7182, Resulting Numbers: [7182] 7182,53 unequal: No Solution Exploring Operation: 57+126=183, Resulting Numbers: [183] 183,53 unequal: No Solution Exploring Operation: 126-57=69, Resulting Numbers: [69] 69,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[57, 54, 84], Operations: ['6+78=84'] Exploring Operation: 57-54=3, Resulting Numbers: [84, 3] Generated Node #0,3,0: 53:[84, 3] Operation: 57-54=3 Exploring Operation: 84-54=30, Resulting Numbers: [57, 30] Generated Node #0,3,1: 53:[57, 30] Operation: 84-54=30 Exploring Operation: 57+54=111, Resulting Numbers: [84, 111] Generated Node #0,3,2: 53:[84, 111] Operation: 57+54=111 Exploring Operation: 84-57=27, Resulting Numbers: [54, 27] Generated Node #0,3,3: 53:[54, 27] Operation: 84-57=27 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 53:[57, 30], Operations: ['6+78=84', '84-54=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,53 unequal: No Solution No 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: 53:[54, 27], Operations: ['6+78=84', '84-57=27'] Exploring Operation: 54/27=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 54*27=1458, Resulting Numbers: [1458] 1458,53 unequal: No Solution Exploring Operation: 54-27=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 54+27=81, Resulting Numbers: [81] 81,53 unequal: No Solution No 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: 53:[84, 3], Operations: ['6+78=84', '57-54=3'] Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 84*3=252, Resulting Numbers: [252] 252,53 unequal: No Solution No 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: 53:[84, 111], Operations: ['6+78=84', '57+54=111'] Exploring Operation: 84*111=9324, Resulting Numbers: [9324] 9324,53 unequal: No Solution Exploring Operation: 111-84=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 84+111=195, Resulting Numbers: [195] 195,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 74, 76, 87, 3 ]
79
[ "74+76=150", "87+150=237", "237/3=79" ]
Current State: 79:[74, 76, 87, 3], Operations: [] Exploring Operation: 74+76=150, Resulting Numbers: [87, 3, 150] Generated Node #2: [87, 3, 150] from Operation: 74+76=150 Current State: 79:[87, 3, 150], Operations: ['74+76=150'] Exploring Operation: 87+150=237, Resulting Numbers: [3, 237] Generated Node #3: [3, 237] from Operation: 87+150=237 Current State: 79:[3, 237], Operations: ['74+76=150', '87+150=237'] Exploring Operation: 237/3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[74, 76, 87, 3], Operations: [] Exploring Operation: 76+3=79, Resulting Numbers: [74, 87, 79] Generated Node #0,0: 79:[74, 87, 79] Operation: 76+3=79 Exploring Operation: 87-3=84, Resulting Numbers: [74, 76, 84] Generated Node #0,1: 79:[74, 76, 84] Operation: 87-3=84 Exploring Operation: 74-3=71, Resulting Numbers: [76, 87, 71] Generated Node #0,2: 79:[76, 87, 71] Operation: 74-3=71 Exploring Operation: 74+3=77, Resulting Numbers: [76, 87, 77] Generated Node #0,3: 79:[76, 87, 77] Operation: 74+3=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[74, 87, 79], Operations: ['76+3=79'] Exploring Operation: 74+87=161, Resulting Numbers: [79, 161] Generated Node #0,0,0: 79:[79, 161] Operation: 74+87=161 Exploring Operation: 74+79=153, Resulting Numbers: [87, 153] Generated Node #0,0,1: 79:[87, 153] Operation: 74+79=153 Exploring Operation: 87-74=13, Resulting Numbers: [79, 13] Generated Node #0,0,2: 79:[79, 13] Operation: 87-74=13 Exploring Operation: 87-79=8, Resulting Numbers: [74, 8] Generated Node #0,0,3: 79:[74, 8] Operation: 87-79=8 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[79, 13], Operations: ['76+3=79', '87-74=13'] Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,79 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[74, 8], Operations: ['76+3=79', '87-79=8'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,79 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[79, 161], Operations: ['76+3=79', '74+87=161'] Exploring Operation: 161-79=82, Resulting Numbers: [82] 82,79 unequal: No Solution Exploring Operation: 79+161=240, Resulting Numbers: [240] 240,79 unequal: No Solution Exploring Operation: 79*161=12719, Resulting Numbers: [12719] 12719,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[87, 153], Operations: ['76+3=79', '74+79=153'] Exploring Operation: 87*153=13311, Resulting Numbers: [13311] 13311,79 unequal: No Solution Exploring Operation: 153-87=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 87+153=240, Resulting Numbers: [240] 240,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[74, 76, 84], Operations: ['87-3=84'] Exploring Operation: 74+76=150, Resulting Numbers: [84, 150] Generated Node #0,1,0: 79:[84, 150] Operation: 74+76=150 Exploring Operation: 84-74=10, Resulting Numbers: [76, 10] Generated Node #0,1,1: 79:[76, 10] Operation: 84-74=10 Exploring Operation: 76-74=2, Resulting Numbers: [84, 2] Generated Node #0,1,2: 79:[84, 2] Operation: 76-74=2 Exploring Operation: 84-76=8, Resulting Numbers: [74, 8] Generated Node #0,1,3: 79:[74, 8] Operation: 84-76=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[76, 10], Operations: ['87-3=84', '84-74=10'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,79 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[84, 150], Operations: ['87-3=84', '74+76=150'] Exploring Operation: 84*150=12600, Resulting Numbers: [12600] 12600,79 unequal: No Solution Exploring Operation: 84+150=234, Resulting Numbers: [234] 234,79 unequal: No Solution Exploring Operation: 150-84=66, Resulting Numbers: [66] 66,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 79:[74, 8], Operations: ['87-3=84', '84-76=8'] Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,79 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[84, 2], Operations: ['87-3=84', '76-74=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,79 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,79 unequal: No Solution Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[76, 87, 77], Operations: ['74+3=77'] Exploring Operation: 76+87=163, Resulting Numbers: [77, 163] Generated Node #0,3,0: 79:[77, 163] Operation: 76+87=163 Exploring Operation: 87-76=11, Resulting Numbers: [77, 11] Generated Node #0,3,1: 79:[77, 11] Operation: 87-76=11 Exploring Operation: 76+77=153, Resulting Numbers: [87, 153] Generated Node #0,3,2: 79:[87, 153] Operation: 76+77=153 Exploring Operation: 87-77=10, Resulting Numbers: [76, 10] Generated Node #0,3,3: 79:[76, 10] Operation: 87-77=10 Moving to Node #0,3,1 Current State: 79:[77, 11], Operations: ['74+3=77', '87-76=11'] Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 77*11=847, Resulting Numbers: [847] 847,79 unequal: No Solution Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[76, 10], Operations: ['74+3=77', '87-77=10'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,79 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[87, 153], Operations: ['74+3=77', '76+77=153'] Exploring Operation: 153-87=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 87*153=13311, Resulting Numbers: [13311] 13311,79 unequal: No Solution Exploring Operation: 87+153=240, Resulting Numbers: [240] 240,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[77, 163], Operations: ['74+3=77', '76+87=163'] Exploring Operation: 163-77=86, Resulting Numbers: [86] 86,79 unequal: No Solution Exploring Operation: 77*163=12551, Resulting Numbers: [12551] 12551,79 unequal: No Solution Exploring Operation: 77+163=240, Resulting Numbers: [240] 240,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[76, 87, 71], Operations: ['74-3=71'] Exploring Operation: 87-76=11, Resulting Numbers: [71, 11] Generated Node #0,2,0: 79:[71, 11] Operation: 87-76=11 Exploring Operation: 87-71=16, Resulting Numbers: [76, 16] Generated Node #0,2,1: 79:[76, 16] Operation: 87-71=16 Exploring Operation: 76+71=147, Resulting Numbers: [87, 147] Generated Node #0,2,2: 79:[87, 147] Operation: 76+71=147 Exploring Operation: 76-71=5, Resulting Numbers: [87, 5] Generated Node #0,2,3: 79:[87, 5] Operation: 76-71=5 Moving to Node #0,2,1 Current State: 79:[76, 16], Operations: ['74-3=71', '87-71=16'] Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,79 unequal: No Solution Exploring Operation: 76+16=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 76*16=1216, Resulting Numbers: [1216] 1216,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[87, 147], Operations: ['74-3=71', '76+71=147'] Exploring Operation: 87*147=12789, Resulting Numbers: [12789] 12789,79 unequal: No Solution Exploring Operation: 147-87=60, Resulting Numbers: [60] 60,79 unequal: No Solution Exploring Operation: 87+147=234, Resulting Numbers: [234] 234,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[71, 11], Operations: ['74-3=71', '87-76=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,79 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,79 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[87, 5], Operations: ['74-3=71', '76-71=5'] Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,79 unequal: No Solution Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 87*5=435, Resulting Numbers: [435] 435,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 21, 6, 18, 28 ]
56
[ "21-18=3", "6*28=168", "168/3=56" ]
Current State: 56:[21, 6, 18, 28], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [6, 28, 3] Generated Node #2: [6, 28, 3] from Operation: 21-18=3 Current State: 56:[6, 28, 3], Operations: ['21-18=3'] Exploring Operation: 6*28=168, Resulting Numbers: [3, 168] Generated Node #3: [3, 168] from Operation: 6*28=168 Current State: 56:[3, 168], Operations: ['21-18=3', '6*28=168'] Exploring Operation: 168/3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[21, 6, 18, 28], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [6, 28, 3] Generated Node #0,0: 56:[6, 28, 3] Operation: 21-18=3 Exploring Operation: 21-6=15, Resulting Numbers: [18, 28, 15] Generated Node #0,1: 56:[18, 28, 15] Operation: 21-6=15 Exploring Operation: 21+6=27, Resulting Numbers: [18, 28, 27] Generated Node #0,2: 56:[18, 28, 27] Operation: 21+6=27 Exploring Operation: 28-21=7, Resulting Numbers: [6, 18, 7] Generated Node #0,3: 56:[6, 18, 7] Operation: 28-21=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[6, 28, 3], Operations: ['21-18=3'] Exploring Operation: 6*3=18, Resulting Numbers: [28, 18] Generated Node #0,0,0: 56:[28, 18] Operation: 6*3=18 Exploring Operation: 6/3=2, Resulting Numbers: [28, 2] Generated Node #0,0,1: 56:[28, 2] Operation: 6/3=2 Exploring Operation: 6+3=9, Resulting Numbers: [28, 9] Generated Node #0,0,2: 56:[28, 9] Operation: 6+3=9 Exploring Operation: 6-3=3, Resulting Numbers: [28, 3] Generated Node #0,0,3: 56:[28, 3] Operation: 6-3=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[28, 2], Operations: ['21-18=3', '6/3=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,56 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[21, 6, 18, 28], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [6, 28, 3] Generated Node #0,0: 56:[6, 28, 3] Operation: 21-18=3 Moving to Node #0,0 Current State: 56:[6, 28, 3], Operations: ['21-18=3'] Exploring Operation: 6/3=2, Resulting Numbers: [28, 2] Generated Node #0,0,1: 56:[28, 2] Operation: 6/3=2 Moving to Node #0,0,1 Current State: 56:[28, 2], Operations: ['21-18=3', '6/3=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 40, 44, 47, 53 ]
25
[ "44-40=4", "47+53=100", "100/4=25" ]
Current State: 25:[40, 44, 47, 53], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [47, 53, 4] Generated Node #2: [47, 53, 4] from Operation: 44-40=4 Current State: 25:[47, 53, 4], Operations: ['44-40=4'] Exploring Operation: 47+53=100, Resulting Numbers: [4, 100] Generated Node #3: [4, 100] from Operation: 47+53=100 Current State: 25:[4, 100], Operations: ['44-40=4', '47+53=100'] Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[40, 44, 47, 53], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [40, 44, 6] Generated Node #0,0: 25:[40, 44, 6] Operation: 53-47=6 Exploring Operation: 53-44=9, Resulting Numbers: [40, 47, 9] Generated Node #0,1: 25:[40, 47, 9] Operation: 53-44=9 Moving to Node #0,0 Current State: 25:[40, 44, 6], Operations: ['53-47=6'] Exploring Operation: 40-6=34, Resulting Numbers: [44, 34] Generated Node #0,0,0: 25:[44, 34] Operation: 40-6=34 Exploring Operation: 44-40=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 25:[6, 4] Operation: 44-40=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[6, 4], Operations: ['53-47=6', '44-40=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,25 unequal: No Solution No 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: 25:[44, 34], Operations: ['53-47=6', '40-6=34'] Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,25 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: 25:[40, 47, 9], Operations: ['53-44=9'] Exploring Operation: 47-40=7, Resulting Numbers: [9, 7] Generated Node #0,1,0: 25:[9, 7] Operation: 47-40=7 Exploring Operation: 40-9=31, Resulting Numbers: [47, 31] Generated Node #0,1,1: 25:[47, 31] Operation: 40-9=31 Moving to Node #0,1,0 Current State: 25:[9, 7], Operations: ['53-44=9', '47-40=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[47, 31], Operations: ['53-44=9', '40-9=31'] Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 35, 32, 66, 15 ]
17
[ "35-32=3", "66-15=51", "51/3=17" ]
Current State: 17:[35, 32, 66, 15], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [66, 15, 3] Generated Node #2: [66, 15, 3] from Operation: 35-32=3 Current State: 17:[66, 15, 3], Operations: ['35-32=3'] Exploring Operation: 66-15=51, Resulting Numbers: [3, 51] Generated Node #3: [3, 51] from Operation: 66-15=51 Current State: 17:[3, 51], Operations: ['35-32=3', '66-15=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[35, 32, 66, 15], Operations: [] Exploring Operation: 66-32=34, Resulting Numbers: [35, 15, 34] Generated Node #0,0: 17:[35, 15, 34] Operation: 66-32=34 Exploring Operation: 66-35=31, Resulting Numbers: [32, 15, 31] Generated Node #0,1: 17:[32, 15, 31] Operation: 66-35=31 Exploring Operation: 35-32=3, Resulting Numbers: [66, 15, 3] Generated Node #0,2: 17:[66, 15, 3] Operation: 35-32=3 Exploring Operation: 35-15=20, Resulting Numbers: [32, 66, 20] Generated Node #0,3: 17:[32, 66, 20] Operation: 35-15=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[32, 15, 31], Operations: ['66-35=31'] Exploring Operation: 32-31=1, Resulting Numbers: [15, 1] Generated Node #0,1,0: 17:[15, 1] Operation: 32-31=1 Exploring Operation: 31-15=16, Resulting Numbers: [32, 16] Generated Node #0,1,1: 17:[32, 16] Operation: 31-15=16 Exploring Operation: 32+15=47, Resulting Numbers: [31, 47] Generated Node #0,1,2: 17:[31, 47] Operation: 32+15=47 Exploring Operation: 32-15=17, Resulting Numbers: [31, 17] Generated Node #0,1,3: 17:[31, 17] Operation: 32-15=17 Moving to Node #0,1,3 Current State: 17:[31, 17], Operations: ['66-35=31', '32-15=17'] Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,17 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[32, 16], Operations: ['66-35=31', '31-15=16'] Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,17 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[15, 1], Operations: ['66-35=31', '32-31=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[31, 47], Operations: ['66-35=31', '32+15=47'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,17 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[35, 15, 34], Operations: ['66-32=34'] Exploring Operation: 35-15=20, Resulting Numbers: [34, 20] Generated Node #0,0,0: 17:[34, 20] Operation: 35-15=20 Exploring Operation: 35-34=1, Resulting Numbers: [15, 1] Generated Node #0,0,1: 17:[15, 1] Operation: 35-34=1 Exploring Operation: 34-15=19, Resulting Numbers: [35, 19] Generated Node #0,0,2: 17:[35, 19] Operation: 34-15=19 Exploring Operation: 35+15=50, Resulting Numbers: [34, 50] Generated Node #0,0,3: 17:[34, 50] Operation: 35+15=50 Moving to Node #0,0,1 Current State: 17:[15, 1], Operations: ['66-32=34', '35-34=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[35, 19], Operations: ['66-32=34', '34-15=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[34, 20], Operations: ['66-32=34', '35-15=20'] Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,17 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[34, 50], Operations: ['66-32=34', '35+15=50'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[66, 15, 3], Operations: ['35-32=3'] Exploring Operation: 66-15=51, Resulting Numbers: [3, 51] Generated Node #0,2,0: 17:[3, 51] Operation: 66-15=51 Exploring Operation: 66/3=22, Resulting Numbers: [15, 22] Generated Node #0,2,1: 17:[15, 22] Operation: 66/3=22 Exploring Operation: 66-3=63, Resulting Numbers: [15, 63] Generated Node #0,2,2: 17:[15, 63] Operation: 66-3=63 Exploring Operation: 15+3=18, Resulting Numbers: [66, 18] Generated Node #0,2,3: 17:[66, 18] Operation: 15+3=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[15, 22], Operations: ['35-32=3', '66/3=22'] Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,17 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,17 unequal: No Solution No 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: 17:[3, 51], Operations: ['35-32=3', '66-15=51'] Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[35, 32, 66, 15], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [66, 15, 3] Generated Node #0,2: 17:[66, 15, 3] Operation: 35-32=3 Moving to Node #0,2 Current State: 17:[66, 15, 3], Operations: ['35-32=3'] Exploring Operation: 66-15=51, Resulting Numbers: [3, 51] Generated Node #0,2,0: 17:[3, 51] Operation: 66-15=51 Moving to Node #0,2,0 Current State: 17:[3, 51], Operations: ['35-32=3', '66-15=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.954861
hs_4
sum_heuristic
[ 8, 16, 48, 57 ]
56
[ "16+48=64", "64-57=7", "8*7=56" ]
Current State: 56:[8, 16, 48, 57], Operations: [] Exploring Operation: 16+48=64, Resulting Numbers: [8, 57, 64] Generated Node #2: [8, 57, 64] from Operation: 16+48=64 Current State: 56:[8, 57, 64], Operations: ['16+48=64'] Exploring Operation: 64-57=7, Resulting Numbers: [8, 7] Generated Node #3: [8, 7] from Operation: 64-57=7 Current State: 56:[8, 7], Operations: ['16+48=64', '64-57=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[8, 16, 48, 57], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [8, 57, 3] Generated Node #0,0: 56:[8, 57, 3] Operation: 48/16=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[8, 57, 3], Operations: ['48/16=3'] Exploring Operation: 8-3=5, Resulting Numbers: [57, 5] Generated Node #0,0,0: 56:[57, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[57, 5], Operations: ['48/16=3', '8-3=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 86, 83, 65, 40 ]
64
[ "86+83=169", "65+40=105", "169-105=64" ]
Current State: 64:[86, 83, 65, 40], Operations: [] Exploring Operation: 86+83=169, Resulting Numbers: [65, 40, 169] Generated Node #2: [65, 40, 169] from Operation: 86+83=169 Current State: 64:[65, 40, 169], Operations: ['86+83=169'] Exploring Operation: 65+40=105, Resulting Numbers: [169, 105] Generated Node #3: [169, 105] from Operation: 65+40=105 Current State: 64:[169, 105], Operations: ['86+83=169', '65+40=105'] Exploring Operation: 169-105=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[86, 83, 65, 40], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [65, 40, 3] Generated Node #0,0: 64:[65, 40, 3] Operation: 86-83=3 Moving to Node #0,0 Current State: 64:[65, 40, 3], Operations: ['86-83=3'] Exploring Operation: 40-3=37, Resulting Numbers: [65, 37] Generated Node #0,0,0: 64:[65, 37] Operation: 40-3=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[65, 37], Operations: ['86-83=3', '40-3=37'] Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,64 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
[ 28, 25, 97, 16 ]
49
[ "28-25=3", "16*3=48", "97-48=49" ]
Current State: 49:[28, 25, 97, 16], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [97, 16, 3] Generated Node #2: [97, 16, 3] from Operation: 28-25=3 Current State: 49:[97, 16, 3], Operations: ['28-25=3'] Exploring Operation: 16*3=48, Resulting Numbers: [97, 48] Generated Node #3: [97, 48] from Operation: 16*3=48 Current State: 49:[97, 48], Operations: ['28-25=3', '16*3=48'] Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[28, 25, 97, 16], Operations: [] Exploring Operation: 97-25=72, Resulting Numbers: [28, 16, 72] Generated Node #0,0: 49:[28, 16, 72] Operation: 97-25=72 Exploring Operation: 28-25=3, Resulting Numbers: [97, 16, 3] Generated Node #0,1: 49:[97, 16, 3] Operation: 28-25=3 Exploring Operation: 28+16=44, Resulting Numbers: [25, 97, 44] Generated Node #0,2: 49:[25, 97, 44] Operation: 28+16=44 Exploring Operation: 97-28=69, Resulting Numbers: [25, 16, 69] Generated Node #0,3: 49:[25, 16, 69] Operation: 97-28=69 Exploring Operation: 28+25=53, Resulting Numbers: [97, 16, 53] Generated Node #0,4: 49:[97, 16, 53] Operation: 28+25=53 Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[25, 16, 69], Operations: ['97-28=69'] Exploring Operation: 25+69=94, Resulting Numbers: [16, 94] Generated Node #0,3,0: 49:[16, 94] Operation: 25+69=94 Exploring Operation: 69-16=53, Resulting Numbers: [25, 53] Generated Node #0,3,1: 49:[25, 53] Operation: 69-16=53 Exploring Operation: 25+16=41, Resulting Numbers: [69, 41] Generated Node #0,3,2: 49:[69, 41] Operation: 25+16=41 Exploring Operation: 69-25=44, Resulting Numbers: [16, 44] Generated Node #0,3,3: 49:[16, 44] Operation: 69-25=44 Exploring Operation: 25-16=9, Resulting Numbers: [69, 9] Generated Node #0,3,4: 49:[69, 9] Operation: 25-16=9 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[16, 44], Operations: ['97-28=69', '69-25=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,49 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,49 unequal: No Solution No 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: 49:[25, 53], Operations: ['97-28=69', '69-16=53'] Exploring Operation: 25*53=1325, Resulting Numbers: [1325] 1325,49 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,49 unequal: No Solution No 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: 49:[69, 9], Operations: ['97-28=69', '25-16=9'] Exploring Operation: 69+9=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 69*9=621, Resulting Numbers: [621] 621,49 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,49 unequal: No Solution No 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: 49:[69, 41], Operations: ['97-28=69', '25+16=41'] Exploring Operation: 69*41=2829, Resulting Numbers: [2829] 2829,49 unequal: No Solution Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 69+41=110, Resulting Numbers: [110] 110,49 unequal: No Solution No 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: 49:[16, 94], Operations: ['97-28=69', '25+69=94'] Exploring Operation: 16*94=1504, Resulting Numbers: [1504] 1504,49 unequal: No Solution Exploring Operation: 16+94=110, Resulting Numbers: [110] 110,49 unequal: No Solution Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,49 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: 49:[28, 16, 72], Operations: ['97-25=72'] Exploring Operation: 28+16=44, Resulting Numbers: [72, 44] Generated Node #0,0,0: 49:[72, 44] Operation: 28+16=44 Exploring Operation: 72-28=44, Resulting Numbers: [16, 44] Generated Node #0,0,1: 49:[16, 44] Operation: 72-28=44 Exploring Operation: 28-16=12, Resulting Numbers: [72, 12] Generated Node #0,0,2: 49:[72, 12] Operation: 28-16=12 Exploring Operation: 28+72=100, Resulting Numbers: [16, 100] Generated Node #0,0,3: 49:[16, 100] Operation: 28+72=100 Exploring Operation: 72-16=56, Resulting Numbers: [28, 56] Generated Node #0,0,4: 49:[28, 56] Operation: 72-16=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[16, 44], Operations: ['97-25=72', '72-28=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,49 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,49 unequal: No Solution No 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: 49:[72, 44], Operations: ['97-25=72', '28+16=44'] Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 72+44=116, Resulting Numbers: [116] 116,49 unequal: No Solution Exploring Operation: 72*44=3168, Resulting Numbers: [3168] 3168,49 unequal: No Solution No 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: 49:[72, 12], Operations: ['97-25=72', '28-16=12'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 72*12=864, Resulting Numbers: [864] 864,49 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,49 unequal: No Solution No 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: 49:[28, 56], Operations: ['97-25=72', '72-16=56'] Exploring Operation: 28+56=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 28*56=1568, Resulting Numbers: [1568] 1568,49 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,49 unequal: No Solution No 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: 49:[16, 100], Operations: ['97-25=72', '28+72=100'] Exploring Operation: 16*100=1600, Resulting Numbers: [1600] 1600,49 unequal: No Solution Exploring Operation: 16+100=116, Resulting Numbers: [116] 116,49 unequal: No Solution Exploring Operation: 100-16=84, Resulting Numbers: [84] 84,49 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: 49:[97, 16, 3], Operations: ['28-25=3'] Exploring Operation: 97-16=81, Resulting Numbers: [3, 81] Generated Node #0,1,0: 49:[3, 81] Operation: 97-16=81 Exploring Operation: 97+3=100, Resulting Numbers: [16, 100] Generated Node #0,1,1: 49:[16, 100] Operation: 97+3=100 Exploring Operation: 16-3=13, Resulting Numbers: [97, 13] Generated Node #0,1,2: 49:[97, 13] Operation: 16-3=13 Exploring Operation: 97-3=94, Resulting Numbers: [16, 94] Generated Node #0,1,3: 49:[16, 94] Operation: 97-3=94 Exploring Operation: 16*3=48, Resulting Numbers: [97, 48] Generated Node #0,1,4: 49:[97, 48] Operation: 16*3=48 Moving to Node #0,1,0 Current State: 49:[3, 81], Operations: ['28-25=3', '97-16=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,49 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[97, 48], Operations: ['28-25=3', '16*3=48'] Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[28, 25, 97, 16], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [97, 16, 3] Generated Node #0,1: 49:[97, 16, 3] Operation: 28-25=3 Moving to Node #0,1 Current State: 49:[97, 16, 3], Operations: ['28-25=3'] Exploring Operation: 16*3=48, Resulting Numbers: [97, 48] Generated Node #0,1,4: 49:[97, 48] Operation: 16*3=48 Moving to Node #0,1,4 Current State: 49:[97, 48], Operations: ['28-25=3', '16*3=48'] Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 55, 64, 52, 49 ]
27
[ "64-55=9", "52-49=3", "9*3=27" ]
Current State: 27:[55, 64, 52, 49], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [52, 49, 9] Generated Node #2: [52, 49, 9] from Operation: 64-55=9 Current State: 27:[52, 49, 9], Operations: ['64-55=9'] Exploring Operation: 52-49=3, Resulting Numbers: [9, 3] Generated Node #3: [9, 3] from Operation: 52-49=3 Current State: 27:[9, 3], Operations: ['64-55=9', '52-49=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[55, 64, 52, 49], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [64, 49, 3] Generated Node #0,0: 27:[64, 49, 3] Operation: 55-52=3 Exploring Operation: 64-49=15, Resulting Numbers: [55, 52, 15] Generated Node #0,1: 27:[55, 52, 15] Operation: 64-49=15 Exploring Operation: 64-55=9, Resulting Numbers: [52, 49, 9] Generated Node #0,2: 27:[52, 49, 9] Operation: 64-55=9 Exploring Operation: 64-52=12, Resulting Numbers: [55, 49, 12] Generated Node #0,3: 27:[55, 49, 12] Operation: 64-52=12 Moving to Node #0,2 Current State: 27:[52, 49, 9], Operations: ['64-55=9'] Exploring Operation: 52+9=61, Resulting Numbers: [49, 61] Generated Node #0,2,0: 27:[49, 61] Operation: 52+9=61 Exploring Operation: 49-9=40, Resulting Numbers: [52, 40] Generated Node #0,2,1: 27:[52, 40] Operation: 49-9=40 Exploring Operation: 52-49=3, Resulting Numbers: [9, 3] Generated Node #0,2,2: 27:[9, 3] Operation: 52-49=3 Exploring Operation: 52-9=43, Resulting Numbers: [49, 43] Generated Node #0,2,3: 27:[49, 43] Operation: 52-9=43 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[9, 3], Operations: ['64-55=9', '52-49=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[55, 64, 52, 49], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [52, 49, 9] Generated Node #0,2: 27:[52, 49, 9] Operation: 64-55=9 Moving to Node #0,2 Current State: 27:[52, 49, 9], Operations: ['64-55=9'] Exploring Operation: 52-49=3, Resulting Numbers: [9, 3] Generated Node #0,2,2: 27:[9, 3] Operation: 52-49=3 Moving to Node #0,2,2 Current State: 27:[9, 3], Operations: ['64-55=9', '52-49=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 10, 83, 62, 36 ]
67
[ "10+83=93", "62-36=26", "93-26=67" ]
Current State: 67:[10, 83, 62, 36], Operations: [] Exploring Operation: 10+83=93, Resulting Numbers: [62, 36, 93] Generated Node #2: [62, 36, 93] from Operation: 10+83=93 Current State: 67:[62, 36, 93], Operations: ['10+83=93'] Exploring Operation: 62-36=26, Resulting Numbers: [93, 26] Generated Node #3: [93, 26] from Operation: 62-36=26 Current State: 67:[93, 26], Operations: ['10+83=93', '62-36=26'] Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[10, 83, 62, 36], Operations: [] Exploring Operation: 10+83=93, Resulting Numbers: [62, 36, 93] Generated Node #0,0: 67:[62, 36, 93] Operation: 10+83=93 Exploring Operation: 83-10=73, Resulting Numbers: [62, 36, 73] Generated Node #0,1: 67:[62, 36, 73] Operation: 83-10=73 Exploring Operation: 62-10=52, Resulting Numbers: [83, 36, 52] Generated Node #0,2: 67:[83, 36, 52] Operation: 62-10=52 Exploring Operation: 10+36=46, Resulting Numbers: [83, 62, 46] Generated Node #0,3: 67:[83, 62, 46] Operation: 10+36=46 Exploring Operation: 10+62=72, Resulting Numbers: [83, 36, 72] Generated Node #0,4: 67:[83, 36, 72] Operation: 10+62=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[62, 36, 73], Operations: ['83-10=73'] Exploring Operation: 62-36=26, Resulting Numbers: [73, 26] Generated Node #0,1,0: 67:[73, 26] Operation: 62-36=26 Exploring Operation: 62+36=98, Resulting Numbers: [73, 98] Generated Node #0,1,1: 67:[73, 98] Operation: 62+36=98 Exploring Operation: 73-62=11, Resulting Numbers: [36, 11] Generated Node #0,1,2: 67:[36, 11] Operation: 73-62=11 Exploring Operation: 36+73=109, Resulting Numbers: [62, 109] Generated Node #0,1,3: 67:[62, 109] Operation: 36+73=109 Exploring Operation: 73-36=37, Resulting Numbers: [62, 37] Generated Node #0,1,4: 67:[62, 37] Operation: 73-36=37 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 67:[62, 37], Operations: ['83-10=73', '73-36=37'] Exploring Operation: 62+37=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 62*37=2294, Resulting Numbers: [2294] 2294,67 unequal: No Solution No 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: 67:[73, 98], Operations: ['83-10=73', '62+36=98'] Exploring Operation: 73*98=7154, Resulting Numbers: [7154] 7154,67 unequal: No Solution Exploring Operation: 98-73=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 73+98=171, Resulting Numbers: [171] 171,67 unequal: No Solution No 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: 67:[73, 26], Operations: ['83-10=73', '62-36=26'] Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,67 unequal: No Solution No 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: 67:[62, 109], Operations: ['83-10=73', '36+73=109'] Exploring Operation: 109-62=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 62+109=171, Resulting Numbers: [171] 171,67 unequal: No Solution Exploring Operation: 62*109=6758, Resulting Numbers: [6758] 6758,67 unequal: No Solution No 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: 67:[36, 11], Operations: ['83-10=73', '73-62=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,67 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,67 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: 67:[83, 62, 46], Operations: ['10+36=46'] Exploring Operation: 62+46=108, Resulting Numbers: [83, 108] Generated Node #0,3,0: 67:[83, 108] Operation: 62+46=108 Exploring Operation: 83-62=21, Resulting Numbers: [46, 21] Generated Node #0,3,1: 67:[46, 21] Operation: 83-62=21 Exploring Operation: 83-46=37, Resulting Numbers: [62, 37] Generated Node #0,3,2: 67:[62, 37] Operation: 83-46=37 Exploring Operation: 83+46=129, Resulting Numbers: [62, 129] Generated Node #0,3,3: 67:[62, 129] Operation: 83+46=129 Exploring Operation: 62-46=16, Resulting Numbers: [83, 16] Generated Node #0,3,4: 67:[83, 16] Operation: 62-46=16 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 67:[62, 37], Operations: ['10+36=46', '83-46=37'] Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 62+37=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 62*37=2294, Resulting Numbers: [2294] 2294,67 unequal: No Solution No 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: 67:[83, 108], Operations: ['10+36=46', '62+46=108'] Exploring Operation: 83+108=191, Resulting Numbers: [191] 191,67 unequal: No Solution Exploring Operation: 108-83=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 83*108=8964, Resulting Numbers: [8964] 8964,67 unequal: No Solution No 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: 67:[46, 21], Operations: ['10+36=46', '83-62=21'] Exploring Operation: 46+21=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[10, 83, 62, 36], Operations: [] Exploring Operation: 10+36=46, Resulting Numbers: [83, 62, 46] Generated Node #0,3: 67:[83, 62, 46] Operation: 10+36=46 Moving to Node #0,3 Current State: 67:[83, 62, 46], Operations: ['10+36=46'] Exploring Operation: 83-62=21, Resulting Numbers: [46, 21] Generated Node #0,3,1: 67:[46, 21] Operation: 83-62=21 Moving to Node #0,3,1 Current State: 67:[46, 21], Operations: ['10+36=46', '83-62=21'] Exploring Operation: 46+21=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 2, 32, 32, 39 ]
27
[ "2+32=34", "39-32=7", "34-7=27" ]
Current State: 27:[2, 32, 32, 39], Operations: [] Exploring Operation: 2+32=34, Resulting Numbers: [39, 34] Generated Node #2: [39, 34] from Operation: 2+32=34 Current State: 27:[39, 34], Operations: ['2+32=34'] Exploring Operation: 39-32=7, Resulting Numbers: [34, 7] Generated Node #3: [34, 7] from Operation: 39-32=7 Current State: 27:[34, 7], Operations: ['2+32=34', '39-32=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 32, 32, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [2, 32, 7] Generated Node #0,0: 27:[2, 32, 7] Operation: 39-32=7 Exploring Operation: 32-32=0, Resulting Numbers: [2, 39, 0] Generated Node #0,1: 27:[2, 39, 0] Operation: 32-32=0 Exploring Operation: 32/32=1, Resulting Numbers: [2, 39, 1] Generated Node #0,2: 27:[2, 39, 1] Operation: 32/32=1 Exploring Operation: 39-32=7, Resulting Numbers: [2, 32, 7] Generated Node #0,3: 27:[2, 32, 7] Operation: 39-32=7 Moving to Node #0,0 Current State: 27:[2, 32, 7], Operations: ['39-32=7'] Exploring Operation: 7-2=5, Resulting Numbers: [32, 5] Generated Node #0,0,0: 27:[32, 5] Operation: 7-2=5 Exploring Operation: 2+7=9, Resulting Numbers: [32, 9] Generated Node #0,0,1: 27:[32, 9] Operation: 2+7=9 Exploring Operation: 32-2=30, Resulting Numbers: [7, 30] Generated Node #0,0,2: 27:[7, 30] Operation: 32-2=30 Exploring Operation: 32-7=25, Resulting Numbers: [2, 25] Generated Node #0,0,3: 27:[2, 25] Operation: 32-7=25 Moving to Node #0,3 Current State: 27:[2, 32, 7], Operations: ['39-32=7'] Exploring Operation: 2+7=9, Resulting Numbers: [32, 9] Generated Node #0,3,0: 27:[32, 9] Operation: 2+7=9 Exploring Operation: 32-7=25, Resulting Numbers: [2, 25] Generated Node #0,3,1: 27:[2, 25] Operation: 32-7=25 Exploring Operation: 32-2=30, Resulting Numbers: [7, 30] Generated Node #0,3,2: 27:[7, 30] Operation: 32-2=30 Exploring Operation: 7-2=5, Resulting Numbers: [32, 5] Generated Node #0,3,3: 27:[32, 5] Operation: 7-2=5 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 27:[2, 25], Operations: ['39-32=7', '32-7=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[2, 32, 32, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [2, 32, 7] Generated Node #0,3: 27:[2, 32, 7] Operation: 39-32=7 Moving to Node #0,3 Current State: 27:[2, 32, 7], Operations: ['39-32=7'] Exploring Operation: 32-7=25, Resulting Numbers: [2, 25] Generated Node #0,3,1: 27:[2, 25] Operation: 32-7=25 Moving to Node #0,3,1 Current State: 27:[2, 25], Operations: ['39-32=7', '32-7=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 99, 45, 16, 35 ]
93
[ "99+45=144", "16+35=51", "144-51=93" ]
Current State: 93:[99, 45, 16, 35], Operations: [] Exploring Operation: 99+45=144, Resulting Numbers: [16, 35, 144] Generated Node #2: [16, 35, 144] from Operation: 99+45=144 Current State: 93:[16, 35, 144], Operations: ['99+45=144'] Exploring Operation: 16+35=51, Resulting Numbers: [144, 51] Generated Node #3: [144, 51] from Operation: 16+35=51 Current State: 93:[144, 51], Operations: ['99+45=144', '16+35=51'] Exploring Operation: 144-51=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[99, 45, 16, 35], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [99, 16, 10] Generated Node #0,0: 93:[99, 16, 10] Operation: 45-35=10 Exploring Operation: 45+35=80, Resulting Numbers: [99, 16, 80] Generated Node #0,1: 93:[99, 16, 80] Operation: 45+35=80 Exploring Operation: 45-16=29, Resulting Numbers: [99, 35, 29] Generated Node #0,2: 93:[99, 35, 29] Operation: 45-16=29 Exploring Operation: 35-16=19, Resulting Numbers: [99, 45, 19] Generated Node #0,3: 93:[99, 45, 19] Operation: 35-16=19 Exploring Operation: 99-16=83, Resulting Numbers: [45, 35, 83] Generated Node #0,4: 93:[45, 35, 83] Operation: 99-16=83 Moving to Node #0,2 Current State: 93:[99, 35, 29], Operations: ['45-16=29'] Exploring Operation: 35-29=6, Resulting Numbers: [99, 6] Generated Node #0,2,0: 93:[99, 6] Operation: 35-29=6 Exploring Operation: 99-29=70, Resulting Numbers: [35, 70] Generated Node #0,2,1: 93:[35, 70] Operation: 99-29=70 Exploring Operation: 99+29=128, Resulting Numbers: [35, 128] Generated Node #0,2,2: 93:[35, 128] Operation: 99+29=128 Exploring Operation: 35+29=64, Resulting Numbers: [99, 64] Generated Node #0,2,3: 93:[99, 64] Operation: 35+29=64 Exploring Operation: 99-35=64, Resulting Numbers: [29, 64] Generated Node #0,2,4: 93:[29, 64] Operation: 99-35=64 Moving to Node #0,0 Current State: 93:[99, 16, 10], Operations: ['45-35=10'] Exploring Operation: 99+16=115, Resulting Numbers: [10, 115] Generated Node #0,0,0: 93:[10, 115] Operation: 99+16=115 Exploring Operation: 99-16=83, Resulting Numbers: [10, 83] Generated Node #0,0,1: 93:[10, 83] Operation: 99-16=83 Exploring Operation: 99-10=89, Resulting Numbers: [16, 89] Generated Node #0,0,2: 93:[16, 89] Operation: 99-10=89 Exploring Operation: 16-10=6, Resulting Numbers: [99, 6] Generated Node #0,0,3: 93:[99, 6] Operation: 16-10=6 Exploring Operation: 16+10=26, Resulting Numbers: [99, 26] Generated Node #0,0,4: 93:[99, 26] Operation: 16+10=26 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[99, 6], Operations: ['45-35=10', '16-10=6'] Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,93 unequal: No Solution Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,93 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[99, 45, 16, 35], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [99, 16, 10] Generated Node #0,0: 93:[99, 16, 10] Operation: 45-35=10 Moving to Node #0,0 Current State: 93:[99, 16, 10], Operations: ['45-35=10'] Exploring Operation: 16-10=6, Resulting Numbers: [99, 6] Generated Node #0,0,3: 93:[99, 6] Operation: 16-10=6 Moving to Node #0,0,3 Current State: 93:[99, 6], Operations: ['45-35=10', '16-10=6'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 96, 8, 87, 16 ]
89
[ "96/16=6", "8+87=95", "95-6=89" ]
Current State: 89:[96, 8, 87, 16], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [8, 87, 6] Generated Node #2: [8, 87, 6] from Operation: 96/16=6 Current State: 89:[8, 87, 6], Operations: ['96/16=6'] Exploring Operation: 8+87=95, Resulting Numbers: [6, 95] Generated Node #3: [6, 95] from Operation: 8+87=95 Current State: 89:[6, 95], Operations: ['96/16=6', '8+87=95'] Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[96, 8, 87, 16], Operations: [] Exploring Operation: 96-8=88, Resulting Numbers: [87, 16, 88] Generated Node #0,0: 89:[87, 16, 88] Operation: 96-8=88 Exploring Operation: 8+16=24, Resulting Numbers: [96, 87, 24] Generated Node #0,1: 89:[96, 87, 24] Operation: 8+16=24 Exploring Operation: 8+87=95, Resulting Numbers: [96, 16, 95] Generated Node #0,2: 89:[96, 16, 95] Operation: 8+87=95 Exploring Operation: 8*16=128, Resulting Numbers: [96, 87, 128] Generated Node #0,3: 89:[96, 87, 128] Operation: 8*16=128 Moving to Node #0,3 Current State: 89:[96, 87, 128], Operations: ['8*16=128'] Exploring Operation: 96+87=183, Resulting Numbers: [128, 183] Generated Node #0,3,0: 89:[128, 183] Operation: 96+87=183 Exploring Operation: 96-87=9, Resulting Numbers: [128, 9] Generated Node #0,3,1: 89:[128, 9] Operation: 96-87=9 Exploring Operation: 128-96=32, Resulting Numbers: [87, 32] Generated Node #0,3,2: 89:[87, 32] Operation: 128-96=32 Exploring Operation: 128-87=41, Resulting Numbers: [96, 41] Generated Node #0,3,3: 89:[96, 41] Operation: 128-87=41 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 89:[96, 41], Operations: ['8*16=128', '128-87=41'] Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,89 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,89 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 #0,3,2 Current State: 89:[87, 32], Operations: ['8*16=128', '128-96=32'] Exploring Operation: 87+32=119, Resulting Numbers: [119] 119,89 unequal: No Solution Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 87*32=2784, Resulting Numbers: [2784] 2784,89 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 #0,3,1 Current State: 89:[128, 9], Operations: ['8*16=128', '96-87=9'] Exploring Operation: 128*9=1152, Resulting Numbers: [1152] 1152,89 unequal: No Solution Exploring Operation: 128-9=119, Resulting Numbers: [119] 119,89 unequal: No Solution Exploring Operation: 128+9=137, Resulting Numbers: [137] 137,89 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 #0,3,0 Current State: 89:[128, 183], Operations: ['8*16=128', '96+87=183'] Exploring Operation: 128+183=311, Resulting Numbers: [311] 311,89 unequal: No Solution Exploring Operation: 183-128=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 128*183=23424, Resulting Numbers: [23424] 23424,89 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: 89:[96, 87, 24], Operations: ['8+16=24'] Exploring Operation: 96+24=120, Resulting Numbers: [87, 120] Generated Node #0,1,0: 89:[87, 120] Operation: 96+24=120 Exploring Operation: 96-24=72, Resulting Numbers: [87, 72] Generated Node #0,1,1: 89:[87, 72] Operation: 96-24=72 Exploring Operation: 87-24=63, Resulting Numbers: [96, 63] Generated Node #0,1,2: 89:[96, 63] Operation: 87-24=63 Exploring Operation: 87+24=111, Resulting Numbers: [96, 111] Generated Node #0,1,3: 89:[96, 111] Operation: 87+24=111 Moving to Node #0,0 Current State: 89:[87, 16, 88], Operations: ['96-8=88'] Exploring Operation: 16+88=104, Resulting Numbers: [87, 104] Generated Node #0,0,0: 89:[87, 104] Operation: 16+88=104 Exploring Operation: 87+16=103, Resulting Numbers: [88, 103] Generated Node #0,0,1: 89:[88, 103] Operation: 87+16=103 Exploring Operation: 87-16=71, Resulting Numbers: [88, 71] Generated Node #0,0,2: 89:[88, 71] Operation: 87-16=71 Exploring Operation: 88-16=72, Resulting Numbers: [87, 72] Generated Node #0,0,3: 89:[87, 72] Operation: 88-16=72 Moving to Node #0,2 Current State: 89:[96, 16, 95], Operations: ['8+87=95'] Exploring Operation: 96-16=80, Resulting Numbers: [95, 80] Generated Node #0,2,0: 89:[95, 80] Operation: 96-16=80 Exploring Operation: 96+16=112, Resulting Numbers: [95, 112] Generated Node #0,2,1: 89:[95, 112] Operation: 96+16=112 Exploring Operation: 95-16=79, Resulting Numbers: [96, 79] Generated Node #0,2,2: 89:[96, 79] Operation: 95-16=79 Exploring Operation: 16+95=111, Resulting Numbers: [96, 111] Generated Node #0,2,3: 89:[96, 111] Operation: 16+95=111 Moving to Node #0,0,1 Current State: 89:[88, 103], Operations: ['96-8=88', '87+16=103'] Exploring Operation: 103-88=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 88*103=9064, Resulting Numbers: [9064] 9064,89 unequal: No Solution Exploring Operation: 88+103=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[95, 80], Operations: ['8+87=95', '96-16=80'] Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 95*80=7600, Resulting Numbers: [7600] 7600,89 unequal: No Solution Exploring Operation: 95+80=175, Resulting Numbers: [175] 175,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[87, 104], Operations: ['96-8=88', '16+88=104'] Exploring Operation: 87*104=9048, Resulting Numbers: [9048] 9048,89 unequal: No Solution Exploring Operation: 104-87=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 87+104=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[96, 79], Operations: ['8+87=95', '95-16=79'] Exploring Operation: 96-79=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 96*79=7584, Resulting Numbers: [7584] 7584,89 unequal: No Solution Exploring Operation: 96+79=175, Resulting Numbers: [175] 175,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[88, 71], Operations: ['96-8=88', '87-16=71'] Exploring Operation: 88-71=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 88+71=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 88*71=6248, Resulting Numbers: [6248] 6248,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[87, 72], Operations: ['8+16=24', '96-24=72'] Exploring Operation: 87+72=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 87*72=6264, Resulting Numbers: [6264] 6264,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[87, 72], Operations: ['96-8=88', '88-16=72'] Exploring Operation: 87+72=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 87*72=6264, Resulting Numbers: [6264] 6264,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[96, 111], Operations: ['8+87=95', '16+95=111'] Exploring Operation: 96*111=10656, Resulting Numbers: [10656] 10656,89 unequal: No Solution Exploring Operation: 96+111=207, Resulting Numbers: [207] 207,89 unequal: No Solution Exploring Operation: 111-96=15, Resulting Numbers: [15] 15,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[96, 111], Operations: ['8+16=24', '87+24=111'] Exploring Operation: 96+111=207, Resulting Numbers: [207] 207,89 unequal: No Solution Exploring Operation: 96*111=10656, Resulting Numbers: [10656] 10656,89 unequal: No Solution Exploring Operation: 111-96=15, Resulting Numbers: [15] 15,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[95, 112], Operations: ['8+87=95', '96+16=112'] Exploring Operation: 95+112=207, Resulting Numbers: [207] 207,89 unequal: No Solution Exploring Operation: 112-95=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 95*112=10640, Resulting Numbers: [10640] 10640,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[96, 63], Operations: ['8+16=24', '87-24=63'] Exploring Operation: 96*63=6048, Resulting Numbers: [6048] 6048,89 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 96+63=159, Resulting Numbers: [159] 159,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[87, 120], Operations: ['8+16=24', '96+24=120'] Exploring Operation: 87*120=10440, Resulting Numbers: [10440] 10440,89 unequal: No Solution Exploring Operation: 87+120=207, Resulting Numbers: [207] 207,89 unequal: No Solution Exploring Operation: 120-87=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 52, 91, 91, 68 ]
52
[ "91-91=0", "68*0=0", "52+0=52" ]
Current State: 52:[52, 91, 91, 68], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [52, 68, 0] Generated Node #2: [52, 68, 0] from Operation: 91-91=0 Current State: 52:[52, 68, 0], Operations: ['91-91=0'] Exploring Operation: 68*0=0, Resulting Numbers: [52, 0] Generated Node #3: [52, 0] from Operation: 68*0=0 Current State: 52:[52, 0], Operations: ['91-91=0', '68*0=0'] Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[52, 91, 91, 68], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [52, 68, 0] Generated Node #0,0: 52:[52, 68, 0] Operation: 91-91=0 Exploring Operation: 91/91=1, Resulting Numbers: [52, 68, 1] Generated Node #0,1: 52:[52, 68, 1] Operation: 91/91=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[52, 68, 1], Operations: ['91/91=1'] Exploring Operation: 68-52=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 52:[1, 16] Operation: 68-52=16 Exploring Operation: 68-1=67, Resulting Numbers: [52, 67] Generated Node #0,1,1: 52:[52, 67] Operation: 68-1=67 Moving to Node #0,1,0 Current State: 52:[1, 16], Operations: ['91/91=1', '68-52=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[52, 67], Operations: ['91/91=1', '68-1=67'] Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 52+67=119, Resulting Numbers: [119] 119,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[52, 68, 0], Operations: ['91-91=0'] Exploring Operation: 68*0=0, Resulting Numbers: [52, 0] Generated Node #0,0,0: 52:[52, 0] Operation: 68*0=0 Exploring Operation: 68-52=16, Resulting Numbers: [0, 16] Generated Node #0,0,1: 52:[0, 16] Operation: 68-52=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[52, 0], Operations: ['91-91=0', '68*0=0'] Exploring Operation: 52-0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[52, 91, 91, 68], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [52, 68, 0] Generated Node #0,0: 52:[52, 68, 0] Operation: 91-91=0 Moving to Node #0,0 Current State: 52:[52, 68, 0], Operations: ['91-91=0'] Exploring Operation: 68*0=0, Resulting Numbers: [52, 0] Generated Node #0,0,0: 52:[52, 0] Operation: 68*0=0 Moving to Node #0,0,0 Current State: 52:[52, 0], Operations: ['91-91=0', '68*0=0'] Exploring Operation: 52-0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 94, 78, 2, 68 ]
18
[ "94+78=172", "172/2=86", "86-68=18" ]
Current State: 18:[94, 78, 2, 68], Operations: [] Exploring Operation: 94+78=172, Resulting Numbers: [2, 68, 172] Generated Node #2: [2, 68, 172] from Operation: 94+78=172 Current State: 18:[2, 68, 172], Operations: ['94+78=172'] Exploring Operation: 172/2=86, Resulting Numbers: [68, 86] Generated Node #3: [68, 86] from Operation: 172/2=86 Current State: 18:[68, 86], Operations: ['94+78=172', '172/2=86'] Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[94, 78, 2, 68], Operations: [] Exploring Operation: 94-78=16, Resulting Numbers: [2, 68, 16] Generated Node #0,0: 18:[2, 68, 16] Operation: 94-78=16 Exploring Operation: 94-68=26, Resulting Numbers: [78, 2, 26] Generated Node #0,1: 18:[78, 2, 26] Operation: 94-68=26 Exploring Operation: 78-68=10, Resulting Numbers: [94, 2, 10] Generated Node #0,2: 18:[94, 2, 10] Operation: 78-68=10 Exploring Operation: 94/2=47, Resulting Numbers: [78, 68, 47] Generated Node #0,3: 18:[78, 68, 47] Operation: 94/2=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[2, 68, 16], Operations: ['94-78=16'] Exploring Operation: 68-16=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 18:[2, 52] Operation: 68-16=52 Exploring Operation: 2+16=18, Resulting Numbers: [68, 18] Generated Node #0,0,1: 18:[68, 18] Operation: 2+16=18 Exploring Operation: 68-2=66, Resulting Numbers: [16, 66] Generated Node #0,0,2: 18:[16, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [16, 34] Generated Node #0,0,3: 18:[16, 34] Operation: 68/2=34 Moving to Node #0,0,3 Current State: 18:[16, 34], Operations: ['94-78=16', '68/2=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[94, 78, 2, 68], Operations: [] Exploring Operation: 94-78=16, Resulting Numbers: [2, 68, 16] Generated Node #0,0: 18:[2, 68, 16] Operation: 94-78=16 Moving to Node #0,0 Current State: 18:[2, 68, 16], Operations: ['94-78=16'] Exploring Operation: 68/2=34, Resulting Numbers: [16, 34] Generated Node #0,0,3: 18:[16, 34] Operation: 68/2=34 Moving to Node #0,0,3 Current State: 18:[16, 34], Operations: ['94-78=16', '68/2=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 79, 15, 54, 57 ]
61
[ "79-15=64", "57-54=3", "64-3=61" ]
Current State: 61:[79, 15, 54, 57], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [54, 57, 64] Generated Node #2: [54, 57, 64] from Operation: 79-15=64 Current State: 61:[54, 57, 64], Operations: ['79-15=64'] Exploring Operation: 57-54=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 57-54=3 Current State: 61:[64, 3], Operations: ['79-15=64', '57-54=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[79, 15, 54, 57], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [54, 57, 64] Generated Node #0,0: 61:[54, 57, 64] Operation: 79-15=64 Exploring Operation: 15+54=69, Resulting Numbers: [79, 57, 69] Generated Node #0,1: 61:[79, 57, 69] Operation: 15+54=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[54, 57, 64], Operations: ['79-15=64'] Exploring Operation: 54+57=111, Resulting Numbers: [64, 111] Generated Node #0,0,0: 61:[64, 111] Operation: 54+57=111 Exploring Operation: 64-54=10, Resulting Numbers: [57, 10] Generated Node #0,0,1: 61:[57, 10] Operation: 64-54=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[64, 111], Operations: ['79-15=64', '54+57=111'] Exploring Operation: 111-64=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 64+111=175, Resulting Numbers: [175] 175,61 unequal: No Solution No 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: 61:[57, 10], Operations: ['79-15=64', '64-54=10'] Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,61 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,61 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: 61:[79, 57, 69], Operations: ['15+54=69'] Exploring Operation: 79-69=10, Resulting Numbers: [57, 10] Generated Node #0,1,0: 61:[57, 10] Operation: 79-69=10 Exploring Operation: 79-57=22, Resulting Numbers: [69, 22] Generated Node #0,1,1: 61:[69, 22] Operation: 79-57=22 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[69, 22], Operations: ['15+54=69', '79-57=22'] Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,61 unequal: No Solution Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,61 unequal: No Solution No 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: 61:[57, 10], Operations: ['15+54=69', '79-69=10'] Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,61 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,61 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
[ 45, 5, 80, 24 ]
53
[ "45+24=69", "80/5=16", "69-16=53" ]
Current State: 53:[45, 5, 80, 24], Operations: [] Exploring Operation: 45+24=69, Resulting Numbers: [5, 80, 69] Generated Node #2: [5, 80, 69] from Operation: 45+24=69 Current State: 53:[5, 80, 69], Operations: ['45+24=69'] Exploring Operation: 80/5=16, Resulting Numbers: [69, 16] Generated Node #3: [69, 16] from Operation: 80/5=16 Current State: 53:[69, 16], Operations: ['45+24=69', '80/5=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[45, 5, 80, 24], Operations: [] Exploring Operation: 80-5=75, Resulting Numbers: [45, 24, 75] Generated Node #0,0: 53:[45, 24, 75] Operation: 80-5=75 Exploring Operation: 5+24=29, Resulting Numbers: [45, 80, 29] Generated Node #0,1: 53:[45, 80, 29] Operation: 5+24=29 Exploring Operation: 45+5=50, Resulting Numbers: [80, 24, 50] Generated Node #0,2: 53:[80, 24, 50] Operation: 45+5=50 Moving to Node #0,0 Current State: 53:[45, 24, 75], Operations: ['80-5=75'] Exploring Operation: 45+24=69, Resulting Numbers: [75, 69] Generated Node #0,0,0: 53:[75, 69] Operation: 45+24=69 Exploring Operation: 75-45=30, Resulting Numbers: [24, 30] Generated Node #0,0,1: 53:[24, 30] Operation: 75-45=30 Exploring Operation: 75-24=51, Resulting Numbers: [45, 51] Generated Node #0,0,2: 53:[45, 51] Operation: 75-24=51 Moving to Node #0,1 Current State: 53:[45, 80, 29], Operations: ['5+24=29'] Exploring Operation: 45+29=74, Resulting Numbers: [80, 74] Generated Node #0,1,0: 53:[80, 74] Operation: 45+29=74 Exploring Operation: 80-45=35, Resulting Numbers: [29, 35] Generated Node #0,1,1: 53:[29, 35] Operation: 80-45=35 Exploring Operation: 80-29=51, Resulting Numbers: [45, 51] Generated Node #0,1,2: 53:[45, 51] Operation: 80-29=51 Moving to Node #0,2 Current State: 53:[80, 24, 50], Operations: ['45+5=50'] Exploring Operation: 80-24=56, Resulting Numbers: [50, 56] Generated Node #0,2,0: 53:[50, 56] Operation: 80-24=56 Exploring Operation: 80-50=30, Resulting Numbers: [24, 30] Generated Node #0,2,1: 53:[24, 30] Operation: 80-50=30 Exploring Operation: 24+50=74, Resulting Numbers: [80, 74] Generated Node #0,2,2: 53:[80, 74] Operation: 24+50=74 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[50, 56], Operations: ['45+5=50', '80-24=56'] Exploring Operation: 50+56=106, Resulting Numbers: [106] 106,53 unequal: No Solution Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 50*56=2800, Resulting Numbers: [2800] 2800,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[80, 74], Operations: ['45+5=50', '24+50=74'] Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,53 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,53 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[24, 30], Operations: ['45+5=50', '80-50=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,53 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,53 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: 53:[45, 51], Operations: ['80-5=75', '75-24=51'] Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 45*51=2295, Resulting Numbers: [2295] 2295,53 unequal: No Solution Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[45, 51], Operations: ['5+24=29', '80-29=51'] Exploring Operation: 45*51=2295, Resulting Numbers: [2295] 2295,53 unequal: No Solution Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[75, 69], Operations: ['80-5=75', '45+24=69'] Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 75+69=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 75*69=5175, Resulting Numbers: [5175] 5175,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[29, 35], Operations: ['5+24=29', '80-45=35'] Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,53 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[80, 74], Operations: ['5+24=29', '45+29=74'] Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,53 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[24, 30], Operations: ['80-5=75', '75-45=30'] Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,53 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 25, 59, 19, 3 ]
61
[ "25-19=6", "6/3=2", "59+2=61" ]
Current State: 61:[25, 59, 19, 3], Operations: [] Exploring Operation: 25-19=6, Resulting Numbers: [59, 3, 6] Generated Node #2: [59, 3, 6] from Operation: 25-19=6 Current State: 61:[59, 3, 6], Operations: ['25-19=6'] Exploring Operation: 6/3=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 6/3=2 Current State: 61:[59, 2], Operations: ['25-19=6', '6/3=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[25, 59, 19, 3], Operations: [] Exploring Operation: 19*3=57, Resulting Numbers: [25, 59, 57] Generated Node #0,0: 61:[25, 59, 57] Operation: 19*3=57 Moving to Node #0,0 Current State: 61:[25, 59, 57], Operations: ['19*3=57'] Exploring Operation: 25+57=82, Resulting Numbers: [59, 82] Generated Node #0,0,0: 61:[59, 82] Operation: 25+57=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[59, 82], Operations: ['19*3=57', '25+57=82'] Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 8, 31, 40 ]
81
[ "2+8=10", "31+40=71", "10+71=81" ]
Current State: 81:[2, 8, 31, 40], Operations: [] Exploring Operation: 2+8=10, Resulting Numbers: [31, 40, 10] Generated Node #2: [31, 40, 10] from Operation: 2+8=10 Current State: 81:[31, 40, 10], Operations: ['2+8=10'] Exploring Operation: 31+40=71, Resulting Numbers: [10, 71] Generated Node #3: [10, 71] from Operation: 31+40=71 Current State: 81:[10, 71], Operations: ['2+8=10', '31+40=71'] Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[2, 8, 31, 40], Operations: [] Exploring Operation: 40/8=5, Resulting Numbers: [2, 31, 5] Generated Node #0,0: 81:[2, 31, 5] Operation: 40/8=5 Exploring Operation: 40-8=32, Resulting Numbers: [2, 31, 32] Generated Node #0,1: 81:[2, 31, 32] Operation: 40-8=32 Exploring Operation: 40-31=9, Resulting Numbers: [2, 8, 9] Generated Node #0,2: 81:[2, 8, 9] Operation: 40-31=9 Exploring Operation: 2*40=80, Resulting Numbers: [8, 31, 80] Generated Node #0,3: 81:[8, 31, 80] Operation: 2*40=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[2, 8, 9], Operations: ['40-31=9'] Exploring Operation: 8/2=4, Resulting Numbers: [9, 4] Generated Node #0,2,0: 81:[9, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [9, 6] Generated Node #0,2,1: 81:[9, 6] Operation: 8-2=6 Exploring Operation: 2+8=10, Resulting Numbers: [9, 10] Generated Node #0,2,2: 81:[9, 10] Operation: 2+8=10 Exploring Operation: 2+9=11, Resulting Numbers: [8, 11] Generated Node #0,2,3: 81:[8, 11] Operation: 2+9=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[9, 4], Operations: ['40-31=9', '8/2=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,81 unequal: No Solution No 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: 81:[9, 10], Operations: ['40-31=9', '2+8=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,81 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:[9, 6], Operations: ['40-31=9', '8-2=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,81 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 #0,2,3 Current State: 81:[8, 11], Operations: ['40-31=9', '2+9=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[8, 31, 80], Operations: ['2*40=80'] Exploring Operation: 80/8=10, Resulting Numbers: [31, 10] Generated Node #0,3,0: 81:[31, 10] Operation: 80/8=10 Exploring Operation: 8+31=39, Resulting Numbers: [80, 39] Generated Node #0,3,1: 81:[80, 39] Operation: 8+31=39 Exploring Operation: 31-8=23, Resulting Numbers: [80, 23] Generated Node #0,3,2: 81:[80, 23] Operation: 31-8=23 Exploring Operation: 8+80=88, Resulting Numbers: [31, 88] Generated Node #0,3,3: 81:[31, 88] Operation: 8+80=88 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[31, 10], Operations: ['2*40=80', '80/8=10'] Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,81 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[80, 23], Operations: ['2*40=80', '31-8=23'] Exploring Operation: 80*23=1840, Resulting Numbers: [1840] 1840,81 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[31, 88], Operations: ['2*40=80', '8+80=88'] Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 31*88=2728, Resulting Numbers: [2728] 2728,81 unequal: No Solution Exploring Operation: 31+88=119, Resulting Numbers: [119] 119,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 81:[80, 39], Operations: ['2*40=80', '8+31=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,81 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[2, 31, 5], Operations: ['40/8=5'] Exploring Operation: 5-2=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 81:[31, 3] Operation: 5-2=3 Exploring Operation: 31-2=29, Resulting Numbers: [5, 29] Generated Node #0,0,1: 81:[5, 29] Operation: 31-2=29 Exploring Operation: 31-5=26, Resulting Numbers: [2, 26] Generated Node #0,0,2: 81:[2, 26] Operation: 31-5=26 Exploring Operation: 2*5=10, Resulting Numbers: [31, 10] Generated Node #0,0,3: 81:[31, 10] Operation: 2*5=10 Moving to Node #0,0,2 Current State: 81:[2, 26], Operations: ['40/8=5', '31-5=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[5, 29], Operations: ['40/8=5', '31-2=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[31, 3], Operations: ['40/8=5', '5-2=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[31, 10], Operations: ['40/8=5', '2*5=10'] Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,81 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[2, 31, 32], Operations: ['40-8=32'] Exploring Operation: 2+31=33, Resulting Numbers: [32, 33] Generated Node #0,1,0: 81:[32, 33] Operation: 2+31=33 Exploring Operation: 32-31=1, Resulting Numbers: [2, 1] Generated Node #0,1,1: 81:[2, 1] Operation: 32-31=1 Exploring Operation: 32-2=30, Resulting Numbers: [31, 30] Generated Node #0,1,2: 81:[31, 30] Operation: 32-2=30 Exploring Operation: 31-2=29, Resulting Numbers: [32, 29] Generated Node #0,1,3: 81:[32, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[2, 1], Operations: ['40-8=32', '32-31=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[31, 30], Operations: ['40-8=32', '32-2=30'] Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,81 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 81:[32, 29], Operations: ['40-8=32', '31-2=29'] Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,81 unequal: No Solution Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,81 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[32, 33], Operations: ['40-8=32', '2+31=33'] Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,81 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,81 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_4
mult_heuristic
[ 2, 46, 16, 93 ]
33
[ "46-2=44", "93-16=77", "77-44=33" ]
Current State: 33:[2, 46, 16, 93], Operations: [] Exploring Operation: 46-2=44, Resulting Numbers: [16, 93, 44] Generated Node #2: [16, 93, 44] from Operation: 46-2=44 Current State: 33:[16, 93, 44], Operations: ['46-2=44'] Exploring Operation: 93-16=77, Resulting Numbers: [44, 77] Generated Node #3: [44, 77] from Operation: 93-16=77 Current State: 33:[44, 77], Operations: ['46-2=44', '93-16=77'] Exploring Operation: 77-44=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[2, 46, 16, 93], Operations: [] Exploring Operation: 93-46=47, Resulting Numbers: [2, 16, 47] Generated Node #0,0: 33:[2, 16, 47] Operation: 93-46=47 Exploring Operation: 93-16=77, Resulting Numbers: [2, 46, 77] Generated Node #0,1: 33:[2, 46, 77] Operation: 93-16=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[2, 16, 47], Operations: ['93-46=47'] Exploring Operation: 2*16=32, Resulting Numbers: [47, 32] Generated Node #0,0,0: 33:[47, 32] Operation: 2*16=32 Exploring Operation: 47-16=31, Resulting Numbers: [2, 31] Generated Node #0,0,1: 33:[2, 31] Operation: 47-16=31 Moving to Node #0,0,1 Current State: 33:[2, 31], Operations: ['93-46=47', '47-16=31'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,33 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[2, 46, 16, 93], Operations: [] Exploring Operation: 93-46=47, Resulting Numbers: [2, 16, 47] Generated Node #0,0: 33:[2, 16, 47] Operation: 93-46=47 Moving to Node #0,0 Current State: 33:[2, 16, 47], Operations: ['93-46=47'] Exploring Operation: 47-16=31, Resulting Numbers: [2, 31] Generated Node #0,0,1: 33:[2, 31] Operation: 47-16=31 Moving to Node #0,0,1 Current State: 33:[2, 31], Operations: ['93-46=47', '47-16=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 4, 10, 24, 59 ]
14
[ "59-24=35", "4*35=140", "140/10=14" ]
Current State: 14:[4, 10, 24, 59], Operations: [] Exploring Operation: 59-24=35, Resulting Numbers: [4, 10, 35] Generated Node #2: [4, 10, 35] from Operation: 59-24=35 Current State: 14:[4, 10, 35], Operations: ['59-24=35'] Exploring Operation: 4*35=140, Resulting Numbers: [10, 140] Generated Node #3: [10, 140] from Operation: 4*35=140 Current State: 14:[10, 140], Operations: ['59-24=35', '4*35=140'] Exploring Operation: 140/10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[4, 10, 24, 59], Operations: [] Exploring Operation: 24-10=14, Resulting Numbers: [4, 59, 14] Generated Node #0,0: 14:[4, 59, 14] Operation: 24-10=14 Exploring Operation: 59-10=49, Resulting Numbers: [4, 24, 49] Generated Node #0,1: 14:[4, 24, 49] Operation: 59-10=49 Exploring Operation: 59-24=35, Resulting Numbers: [4, 10, 35] Generated Node #0,2: 14:[4, 10, 35] Operation: 59-24=35 Moving to Node #0,2 Current State: 14:[4, 10, 35], Operations: ['59-24=35'] Exploring Operation: 35-4=31, Resulting Numbers: [10, 31] Generated Node #0,2,0: 14:[10, 31] Operation: 35-4=31 Exploring Operation: 4+10=14, Resulting Numbers: [35, 14] Generated Node #0,2,1: 14:[35, 14] Operation: 4+10=14 Exploring Operation: 35-10=25, Resulting Numbers: [4, 25] Generated Node #0,2,2: 14:[4, 25] Operation: 35-10=25 Moving to Node #0,0 Current State: 14:[4, 59, 14], Operations: ['24-10=14'] Exploring Operation: 14-4=10, Resulting Numbers: [59, 10] Generated Node #0,0,0: 14:[59, 10] Operation: 14-4=10 Exploring Operation: 59-14=45, Resulting Numbers: [4, 45] Generated Node #0,0,1: 14:[4, 45] Operation: 59-14=45 Exploring Operation: 59-4=55, Resulting Numbers: [14, 55] Generated Node #0,0,2: 14:[14, 55] Operation: 59-4=55 Moving to Node #0,1 Current State: 14:[4, 24, 49], Operations: ['59-10=49'] Exploring Operation: 49-24=25, Resulting Numbers: [4, 25] Generated Node #0,1,0: 14:[4, 25] Operation: 49-24=25 Exploring Operation: 24-4=20, Resulting Numbers: [49, 20] Generated Node #0,1,1: 14:[49, 20] Operation: 24-4=20 Exploring Operation: 24/4=6, Resulting Numbers: [49, 6] Generated Node #0,1,2: 14:[49, 6] Operation: 24/4=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[4, 25], Operations: ['59-10=49', '49-24=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,14 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[49, 6], Operations: ['59-10=49', '24/4=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[49, 20], Operations: ['59-10=49', '24-4=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,14 unequal: No Solution Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 14:[4, 25], Operations: ['59-24=35', '35-10=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,14 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[10, 31], Operations: ['59-24=35', '35-4=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,14 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[35, 14], Operations: ['59-24=35', '4+10=14'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[4, 45], Operations: ['24-10=14', '59-14=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[14, 55], Operations: ['24-10=14', '59-4=55'] Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[59, 10], Operations: ['24-10=14', '14-4=10'] Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,14 unequal: No Solution Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,14 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 18, 32, 1, 65 ]
14
[ "18+32=50", "65-1=64", "64-50=14" ]
Current State: 14:[18, 32, 1, 65], Operations: [] Exploring Operation: 18+32=50, Resulting Numbers: [1, 65, 50] Generated Node #2: [1, 65, 50] from Operation: 18+32=50 Current State: 14:[1, 65, 50], Operations: ['18+32=50'] Exploring Operation: 65-1=64, Resulting Numbers: [50, 64] Generated Node #3: [50, 64] from Operation: 65-1=64 Current State: 14:[50, 64], Operations: ['18+32=50', '65-1=64'] Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[18, 32, 1, 65], Operations: [] Exploring Operation: 65-18=47, Resulting Numbers: [32, 1, 47] Generated Node #0,0: 14:[32, 1, 47] Operation: 65-18=47 Exploring Operation: 32-18=14, Resulting Numbers: [1, 65, 14] Generated Node #0,1: 14:[1, 65, 14] Operation: 32-18=14 Exploring Operation: 18-1=17, Resulting Numbers: [32, 65, 17] Generated Node #0,2: 14:[32, 65, 17] Operation: 18-1=17 Exploring Operation: 65-32=33, Resulting Numbers: [18, 1, 33] Generated Node #0,3: 14:[18, 1, 33] Operation: 65-32=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[18, 1, 33], Operations: ['65-32=33'] Exploring Operation: 18-1=17, Resulting Numbers: [33, 17] Generated Node #0,3,0: 14:[33, 17] Operation: 18-1=17 Exploring Operation: 33-1=32, Resulting Numbers: [18, 32] Generated Node #0,3,1: 14:[18, 32] Operation: 33-1=32 Exploring Operation: 33-18=15, Resulting Numbers: [1, 15] Generated Node #0,3,2: 14:[1, 15] Operation: 33-18=15 Exploring Operation: 18*1=18, Resulting Numbers: [33, 18] Generated Node #0,3,3: 14:[33, 18] Operation: 18*1=18 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 14:[1, 15], Operations: ['65-32=33', '33-18=15'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[18, 32, 1, 65], Operations: [] Exploring Operation: 65-32=33, Resulting Numbers: [18, 1, 33] Generated Node #0,3: 14:[18, 1, 33] Operation: 65-32=33 Moving to Node #0,3 Current State: 14:[18, 1, 33], Operations: ['65-32=33'] Exploring Operation: 33-18=15, Resulting Numbers: [1, 15] Generated Node #0,3,2: 14:[1, 15] Operation: 33-18=15 Moving to Node #0,3,2 Current State: 14:[1, 15], Operations: ['65-32=33', '33-18=15'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 90, 92, 39, 19 ]
56
[ "92-90=2", "39+19=58", "58-2=56" ]
Current State: 56:[90, 92, 39, 19], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [39, 19, 2] Generated Node #2: [39, 19, 2] from Operation: 92-90=2 Current State: 56:[39, 19, 2], Operations: ['92-90=2'] Exploring Operation: 39+19=58, Resulting Numbers: [2, 58] Generated Node #3: [2, 58] from Operation: 39+19=58 Current State: 56:[2, 58], Operations: ['92-90=2', '39+19=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[90, 92, 39, 19], Operations: [] Exploring Operation: 90-39=51, Resulting Numbers: [92, 19, 51] Generated Node #0,0: 56:[92, 19, 51] Operation: 90-39=51 Exploring Operation: 92-39=53, Resulting Numbers: [90, 19, 53] Generated Node #0,1: 56:[90, 19, 53] Operation: 92-39=53 Exploring Operation: 92-90=2, Resulting Numbers: [39, 19, 2] Generated Node #0,2: 56:[39, 19, 2] Operation: 92-90=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[39, 19, 2], Operations: ['92-90=2'] Exploring Operation: 39+19=58, Resulting Numbers: [2, 58] Generated Node #0,2,0: 56:[2, 58] Operation: 39+19=58 Exploring Operation: 39-2=37, Resulting Numbers: [19, 37] Generated Node #0,2,1: 56:[19, 37] Operation: 39-2=37 Exploring Operation: 39-19=20, Resulting Numbers: [2, 20] Generated Node #0,2,2: 56:[2, 20] Operation: 39-19=20 Moving to Node #0,2,0 Current State: 56:[2, 58], Operations: ['92-90=2', '39+19=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[90, 92, 39, 19], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [39, 19, 2] Generated Node #0,2: 56:[39, 19, 2] Operation: 92-90=2 Moving to Node #0,2 Current State: 56:[39, 19, 2], Operations: ['92-90=2'] Exploring Operation: 39+19=58, Resulting Numbers: [2, 58] Generated Node #0,2,0: 56:[2, 58] Operation: 39+19=58 Moving to Node #0,2,0 Current State: 56:[2, 58], Operations: ['92-90=2', '39+19=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 60, 14, 87, 1 ]
42
[ "60-14=46", "87+1=88", "88-46=42" ]
Current State: 42:[60, 14, 87, 1], Operations: [] Exploring Operation: 60-14=46, Resulting Numbers: [87, 1, 46] Generated Node #2: [87, 1, 46] from Operation: 60-14=46 Current State: 42:[87, 1, 46], Operations: ['60-14=46'] Exploring Operation: 87+1=88, Resulting Numbers: [46, 88] Generated Node #3: [46, 88] from Operation: 87+1=88 Current State: 42:[46, 88], Operations: ['60-14=46', '87+1=88'] Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[60, 14, 87, 1], Operations: [] Exploring Operation: 60-1=59, Resulting Numbers: [14, 87, 59] Generated Node #0,0: 42:[14, 87, 59] Operation: 60-1=59 Exploring Operation: 87-14=73, Resulting Numbers: [60, 1, 73] Generated Node #0,1: 42:[60, 1, 73] Operation: 87-14=73 Exploring Operation: 87-60=27, Resulting Numbers: [14, 1, 27] Generated Node #0,2: 42:[14, 1, 27] Operation: 87-60=27 Exploring Operation: 60-14=46, Resulting Numbers: [87, 1, 46] Generated Node #0,3: 42:[87, 1, 46] Operation: 60-14=46 Moving to Node #0,2 Current State: 42:[14, 1, 27], Operations: ['87-60=27'] Exploring Operation: 14+27=41, Resulting Numbers: [1, 41] Generated Node #0,2,0: 42:[1, 41] Operation: 14+27=41 Exploring Operation: 14*1=14, Resulting Numbers: [27, 14] Generated Node #0,2,1: 42:[27, 14] Operation: 14*1=14 Exploring Operation: 27-1=26, Resulting Numbers: [14, 26] Generated Node #0,2,2: 42:[14, 26] Operation: 27-1=26 Exploring Operation: 27-14=13, Resulting Numbers: [1, 13] Generated Node #0,2,3: 42:[1, 13] Operation: 27-14=13 Moving to Node #0,3 Current State: 42:[87, 1, 46], Operations: ['60-14=46'] Exploring Operation: 46-1=45, Resulting Numbers: [87, 45] Generated Node #0,3,0: 42:[87, 45] Operation: 46-1=45 Exploring Operation: 87-46=41, Resulting Numbers: [1, 41] Generated Node #0,3,1: 42:[1, 41] Operation: 87-46=41 Exploring Operation: 87*1=87, Resulting Numbers: [46, 87] Generated Node #0,3,2: 42:[46, 87] Operation: 87*1=87 Exploring Operation: 87-1=86, Resulting Numbers: [46, 86] Generated Node #0,3,3: 42:[46, 86] Operation: 87-1=86 Moving to Node #0,1 Current State: 42:[60, 1, 73], Operations: ['87-14=73'] Exploring Operation: 60-1=59, Resulting Numbers: [73, 59] Generated Node #0,1,0: 42:[73, 59] Operation: 60-1=59 Exploring Operation: 73-1=72, Resulting Numbers: [60, 72] Generated Node #0,1,1: 42:[60, 72] Operation: 73-1=72 Exploring Operation: 60*1=60, Resulting Numbers: [73, 60] Generated Node #0,1,2: 42:[73, 60] Operation: 60*1=60 Exploring Operation: 73-60=13, Resulting Numbers: [1, 13] Generated Node #0,1,3: 42:[1, 13] Operation: 73-60=13 Moving to Node #0,0 Current State: 42:[14, 87, 59], Operations: ['60-1=59'] Exploring Operation: 59-14=45, Resulting Numbers: [87, 45] Generated Node #0,0,0: 42:[87, 45] Operation: 59-14=45 Exploring Operation: 87-59=28, Resulting Numbers: [14, 28] Generated Node #0,0,1: 42:[14, 28] Operation: 87-59=28 Exploring Operation: 14+87=101, Resulting Numbers: [59, 101] Generated Node #0,0,2: 42:[59, 101] Operation: 14+87=101 Exploring Operation: 87-14=73, Resulting Numbers: [59, 73] Generated Node #0,0,3: 42:[59, 73] Operation: 87-14=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[14, 28], Operations: ['60-1=59', '87-59=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[60, 14, 87, 1], Operations: [] Exploring Operation: 60-1=59, Resulting Numbers: [14, 87, 59] Generated Node #0,0: 42:[14, 87, 59] Operation: 60-1=59 Moving to Node #0,0 Current State: 42:[14, 87, 59], Operations: ['60-1=59'] Exploring Operation: 87-59=28, Resulting Numbers: [14, 28] Generated Node #0,0,1: 42:[14, 28] Operation: 87-59=28 Moving to Node #0,0,1 Current State: 42:[14, 28], Operations: ['60-1=59', '87-59=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 78, 18, 82, 63 ]
41
[ "78-18=60", "82-63=19", "60-19=41" ]
Current State: 41:[78, 18, 82, 63], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [82, 63, 60] Generated Node #2: [82, 63, 60] from Operation: 78-18=60 Current State: 41:[82, 63, 60], Operations: ['78-18=60'] Exploring Operation: 82-63=19, Resulting Numbers: [60, 19] Generated Node #3: [60, 19] from Operation: 82-63=19 Current State: 41:[60, 19], Operations: ['78-18=60', '82-63=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[78, 18, 82, 63], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [82, 63, 60] Generated Node #0,0: 41:[82, 63, 60] Operation: 78-18=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[82, 63, 60], Operations: ['78-18=60'] Exploring Operation: 82-63=19, Resulting Numbers: [60, 19] Generated Node #0,0,0: 41:[60, 19] Operation: 82-63=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[60, 19], Operations: ['78-18=60', '82-63=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[78, 18, 82, 63], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [82, 63, 60] Generated Node #0,0: 41:[82, 63, 60] Operation: 78-18=60 Moving to Node #0,0 Current State: 41:[82, 63, 60], Operations: ['78-18=60'] Exploring Operation: 82-63=19, Resulting Numbers: [60, 19] Generated Node #0,0,0: 41:[60, 19] Operation: 82-63=19 Moving to Node #0,0,0 Current State: 41:[60, 19], Operations: ['78-18=60', '82-63=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 77, 15, 97, 37 ]
81
[ "97-37=60", "60/15=4", "77+4=81" ]
Current State: 81:[77, 15, 97, 37], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [77, 15, 60] Generated Node #2: [77, 15, 60] from Operation: 97-37=60 Current State: 81:[77, 15, 60], Operations: ['97-37=60'] Exploring Operation: 60/15=4, Resulting Numbers: [77, 4] Generated Node #3: [77, 4] from Operation: 60/15=4 Current State: 81:[77, 4], Operations: ['97-37=60', '60/15=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[77, 15, 97, 37], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [77, 97, 22] Generated Node #0,0: 81:[77, 97, 22] Operation: 37-15=22 Exploring Operation: 77-37=40, Resulting Numbers: [15, 97, 40] Generated Node #0,1: 81:[15, 97, 40] Operation: 77-37=40 Exploring Operation: 97-77=20, Resulting Numbers: [15, 37, 20] Generated Node #0,2: 81:[15, 37, 20] Operation: 97-77=20 Exploring Operation: 97-37=60, Resulting Numbers: [77, 15, 60] Generated Node #0,3: 81:[77, 15, 60] Operation: 97-37=60 Exploring Operation: 97-15=82, Resulting Numbers: [77, 37, 82] Generated Node #0,4: 81:[77, 37, 82] Operation: 97-15=82 Moving to Node #0,4 Current State: 81:[77, 37, 82], Operations: ['97-15=82'] Exploring Operation: 82-37=45, Resulting Numbers: [77, 45] Generated Node #0,4,0: 81:[77, 45] Operation: 82-37=45 Exploring Operation: 82-77=5, Resulting Numbers: [37, 5] Generated Node #0,4,1: 81:[37, 5] Operation: 82-77=5 Exploring Operation: 77-37=40, Resulting Numbers: [82, 40] Generated Node #0,4,2: 81:[82, 40] Operation: 77-37=40 Exploring Operation: 77+37=114, Resulting Numbers: [82, 114] Generated Node #0,4,3: 81:[82, 114] Operation: 77+37=114 Exploring Operation: 37+82=119, Resulting Numbers: [77, 119] Generated Node #0,4,4: 81:[77, 119] Operation: 37+82=119 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 81:[37, 5], Operations: ['97-15=82', '82-77=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,81 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 #0,4,2 Current State: 81:[82, 40], Operations: ['97-15=82', '77-37=40'] Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,81 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,81 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 #0,4,0 Current State: 81:[77, 45], Operations: ['97-15=82', '82-37=45'] Exploring Operation: 77+45=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 77*45=3465, Resulting Numbers: [3465] 3465,81 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,81 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 #0,4,3 Current State: 81:[82, 114], Operations: ['97-15=82', '77+37=114'] Exploring Operation: 82+114=196, Resulting Numbers: [196] 196,81 unequal: No Solution Exploring Operation: 82*114=9348, Resulting Numbers: [9348] 9348,81 unequal: No Solution Exploring Operation: 114-82=32, Resulting Numbers: [32] 32,81 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 #0,4,4 Current State: 81:[77, 119], Operations: ['97-15=82', '37+82=119'] Exploring Operation: 119-77=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 77+119=196, Resulting Numbers: [196] 196,81 unequal: No Solution Exploring Operation: 77*119=9163, Resulting Numbers: [9163] 9163,81 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: 81:[15, 37, 20], Operations: ['97-77=20'] Exploring Operation: 37-15=22, Resulting Numbers: [20, 22] Generated Node #0,2,0: 81:[20, 22] Operation: 37-15=22 Exploring Operation: 15+20=35, Resulting Numbers: [37, 35] Generated Node #0,2,1: 81:[37, 35] Operation: 15+20=35 Exploring Operation: 37-20=17, Resulting Numbers: [15, 17] Generated Node #0,2,2: 81:[15, 17] Operation: 37-20=17 Exploring Operation: 20-15=5, Resulting Numbers: [37, 5] Generated Node #0,2,3: 81:[37, 5] Operation: 20-15=5 Exploring Operation: 37+20=57, Resulting Numbers: [15, 57] Generated Node #0,2,4: 81:[15, 57] Operation: 37+20=57 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[20, 22], Operations: ['97-77=20', '37-15=22'] Exploring Operation: 20*22=440, Resulting Numbers: [440] 440,81 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,81 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 #0,2,3 Current State: 81:[37, 5], Operations: ['97-77=20', '20-15=5'] Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,81 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 #0,2,2 Current State: 81:[15, 17], Operations: ['97-77=20', '37-20=17'] Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,81 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,81 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 #0,2,1 Current State: 81:[37, 35], Operations: ['97-77=20', '15+20=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,81 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 #0,2,4 Current State: 81:[15, 57], Operations: ['97-77=20', '37+20=57'] Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 15*57=855, Resulting Numbers: [855] 855,81 unequal: No Solution Exploring Operation: 15+57=72, Resulting Numbers: [72] 72,81 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: 81:[77, 97, 22], Operations: ['37-15=22'] Exploring Operation: 77-22=55, Resulting Numbers: [97, 55] Generated Node #0,0,0: 81:[97, 55] Operation: 77-22=55 Exploring Operation: 97+22=119, Resulting Numbers: [77, 119] Generated Node #0,0,1: 81:[77, 119] Operation: 97+22=119 Exploring Operation: 97-77=20, Resulting Numbers: [22, 20] Generated Node #0,0,2: 81:[22, 20] Operation: 97-77=20 Exploring Operation: 97-22=75, Resulting Numbers: [77, 75] Generated Node #0,0,3: 81:[77, 75] Operation: 97-22=75 Exploring Operation: 77+22=99, Resulting Numbers: [97, 99] Generated Node #0,0,4: 81:[97, 99] Operation: 77+22=99 Moving to Node #0,3 Current State: 81:[77, 15, 60], Operations: ['97-37=60'] Exploring Operation: 60-15=45, Resulting Numbers: [77, 45] Generated Node #0,3,0: 81:[77, 45] Operation: 60-15=45 Exploring Operation: 77+15=92, Resulting Numbers: [60, 92] Generated Node #0,3,1: 81:[60, 92] Operation: 77+15=92 Exploring Operation: 60/15=4, Resulting Numbers: [77, 4] Generated Node #0,3,2: 81:[77, 4] Operation: 60/15=4 Exploring Operation: 77-60=17, Resulting Numbers: [15, 17] Generated Node #0,3,3: 81:[15, 17] Operation: 77-60=17 Exploring Operation: 15+60=75, Resulting Numbers: [77, 75] Generated Node #0,3,4: 81:[77, 75] Operation: 15+60=75 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[77, 4], Operations: ['97-37=60', '60/15=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,81 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,81 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[77, 15, 97, 37], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [77, 15, 60] Generated Node #0,3: 81:[77, 15, 60] Operation: 97-37=60 Moving to Node #0,3 Current State: 81:[77, 15, 60], Operations: ['97-37=60'] Exploring Operation: 60/15=4, Resulting Numbers: [77, 4] Generated Node #0,3,2: 81:[77, 4] Operation: 60/15=4 Moving to Node #0,3,2 Current State: 81:[77, 4], Operations: ['97-37=60', '60/15=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 2, 7, 11, 65 ]
14
[ "65-2=63", "7*11=77", "77-63=14" ]
Current State: 14:[2, 7, 11, 65], Operations: [] Exploring Operation: 65-2=63, Resulting Numbers: [7, 11, 63] Generated Node #2: [7, 11, 63] from Operation: 65-2=63 Current State: 14:[7, 11, 63], Operations: ['65-2=63'] Exploring Operation: 7*11=77, Resulting Numbers: [63, 77] Generated Node #3: [63, 77] from Operation: 7*11=77 Current State: 14:[63, 77], Operations: ['65-2=63', '7*11=77'] Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[2, 7, 11, 65], Operations: [] Exploring Operation: 65-11=54, Resulting Numbers: [2, 7, 54] Generated Node #0,0: 14:[2, 7, 54] Operation: 65-11=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[2, 7, 54], Operations: ['65-11=54'] Exploring Operation: 54/2=27, Resulting Numbers: [7, 27] Generated Node #0,0,0: 14:[7, 27] Operation: 54/2=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[7, 27], Operations: ['65-11=54', '54/2=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 58, 88, 61 ]
51
[ "88-58=30", "30/3=10", "61-10=51" ]
Current State: 51:[3, 58, 88, 61], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [3, 61, 30] Generated Node #2: [3, 61, 30] from Operation: 88-58=30 Current State: 51:[3, 61, 30], Operations: ['88-58=30'] Exploring Operation: 30/3=10, Resulting Numbers: [61, 10] Generated Node #3: [61, 10] from Operation: 30/3=10 Current State: 51:[61, 10], Operations: ['88-58=30', '30/3=10'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[3, 58, 88, 61], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [3, 61, 30] Generated Node #0,0: 51:[3, 61, 30] Operation: 88-58=30 Exploring Operation: 88-61=27, Resulting Numbers: [3, 58, 27] Generated Node #0,1: 51:[3, 58, 27] Operation: 88-61=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[3, 58, 27], Operations: ['88-61=27'] Exploring Operation: 27/3=9, Resulting Numbers: [58, 9] Generated Node #0,1,0: 51:[58, 9] Operation: 27/3=9 Exploring Operation: 58-3=55, Resulting Numbers: [27, 55] Generated Node #0,1,1: 51:[27, 55] Operation: 58-3=55 Moving to Node #0,1,0 Current State: 51:[58, 9], Operations: ['88-61=27', '27/3=9'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[27, 55], Operations: ['88-61=27', '58-3=55'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 27+55=82, Resulting Numbers: [82] 82,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[3, 61, 30], Operations: ['88-58=30'] Exploring Operation: 30/3=10, Resulting Numbers: [61, 10] Generated Node #0,0,0: 51:[61, 10] Operation: 30/3=10 Exploring Operation: 61-30=31, Resulting Numbers: [3, 31] Generated Node #0,0,1: 51:[3, 31] Operation: 61-30=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[3, 31], Operations: ['88-58=30', '61-30=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,51 unequal: No Solution No 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: 51:[61, 10], Operations: ['88-58=30', '30/3=10'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[3, 58, 88, 61], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [3, 61, 30] Generated Node #0,0: 51:[3, 61, 30] Operation: 88-58=30 Moving to Node #0,0 Current State: 51:[3, 61, 30], Operations: ['88-58=30'] Exploring Operation: 30/3=10, Resulting Numbers: [61, 10] Generated Node #0,0,0: 51:[61, 10] Operation: 30/3=10 Moving to Node #0,0,0 Current State: 51:[61, 10], Operations: ['88-58=30', '30/3=10'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 99, 52, 38, 34 ]
51
[ "99-52=47", "38-34=4", "47+4=51" ]
Current State: 51:[99, 52, 38, 34], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [38, 34, 47] Generated Node #2: [38, 34, 47] from Operation: 99-52=47 Current State: 51:[38, 34, 47], Operations: ['99-52=47'] Exploring Operation: 38-34=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 38-34=4 Current State: 51:[47, 4], Operations: ['99-52=47', '38-34=4'] Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[99, 52, 38, 34], Operations: [] Exploring Operation: 99-38=61, Resulting Numbers: [52, 34, 61] Generated Node #0,0: 51:[52, 34, 61] Operation: 99-38=61 Exploring Operation: 99-34=65, Resulting Numbers: [52, 38, 65] Generated Node #0,1: 51:[52, 38, 65] Operation: 99-34=65 Moving to Node #0,0 Current State: 51:[52, 34, 61], Operations: ['99-38=61'] Exploring Operation: 61-34=27, Resulting Numbers: [52, 27] Generated Node #0,0,0: 51:[52, 27] Operation: 61-34=27 Exploring Operation: 52-34=18, Resulting Numbers: [61, 18] Generated Node #0,0,1: 51:[61, 18] Operation: 52-34=18 Moving to Node #0,1 Current State: 51:[52, 38, 65], Operations: ['99-34=65'] Exploring Operation: 52-38=14, Resulting Numbers: [65, 14] Generated Node #0,1,0: 51:[65, 14] Operation: 52-38=14 Exploring Operation: 65-38=27, Resulting Numbers: [52, 27] Generated Node #0,1,1: 51:[52, 27] Operation: 65-38=27 Moving to Node #0,0,0 Current State: 51:[52, 27], Operations: ['99-38=61', '61-34=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[52, 27], Operations: ['99-34=65', '65-38=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[61, 18], Operations: ['99-38=61', '52-34=18'] Exploring Operation: 61+18=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[65, 14], Operations: ['99-34=65', '52-38=14'] Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[99, 52, 38, 34], Operations: [] Exploring Operation: 99-34=65, Resulting Numbers: [52, 38, 65] Generated Node #0,1: 51:[52, 38, 65] Operation: 99-34=65 Moving to Node #0,1 Current State: 51:[52, 38, 65], Operations: ['99-34=65'] Exploring Operation: 52-38=14, Resulting Numbers: [65, 14] Generated Node #0,1,0: 51:[65, 14] Operation: 52-38=14 Moving to Node #0,1,0 Current State: 51:[65, 14], Operations: ['99-34=65', '52-38=14'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 90, 65, 8, 24 ]
95
[ "90*8=720", "720/24=30", "65+30=95" ]
Current State: 95:[90, 65, 8, 24], Operations: [] Exploring Operation: 90*8=720, Resulting Numbers: [65, 24, 720] Generated Node #2: [65, 24, 720] from Operation: 90*8=720 Current State: 95:[65, 24, 720], Operations: ['90*8=720'] Exploring Operation: 720/24=30, Resulting Numbers: [65, 30] Generated Node #3: [65, 30] from Operation: 720/24=30 Current State: 95:[65, 30], Operations: ['90*8=720', '720/24=30'] Exploring Operation: 65+30=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[90, 65, 8, 24], Operations: [] Exploring Operation: 65-24=41, Resulting Numbers: [90, 8, 41] Generated Node #0,0: 95:[90, 8, 41] Operation: 65-24=41 Exploring Operation: 90-65=25, Resulting Numbers: [8, 24, 25] Generated Node #0,1: 95:[8, 24, 25] Operation: 90-65=25 Exploring Operation: 65+24=89, Resulting Numbers: [90, 8, 89] Generated Node #0,2: 95:[90, 8, 89] Operation: 65+24=89 Moving to Node #0,1 Current State: 95:[8, 24, 25], Operations: ['90-65=25'] Exploring Operation: 24/8=3, Resulting Numbers: [25, 3] Generated Node #0,1,0: 95:[25, 3] Operation: 24/8=3 Exploring Operation: 25-8=17, Resulting Numbers: [24, 17] Generated Node #0,1,1: 95:[24, 17] Operation: 25-8=17 Exploring Operation: 25-24=1, Resulting Numbers: [8, 1] Generated Node #0,1,2: 95:[8, 1] Operation: 25-24=1 Moving to Node #0,2 Current State: 95:[90, 8, 89], Operations: ['65+24=89'] Exploring Operation: 90+8=98, Resulting Numbers: [89, 98] Generated Node #0,2,0: 95:[89, 98] Operation: 90+8=98 Exploring Operation: 90-89=1, Resulting Numbers: [8, 1] Generated Node #0,2,1: 95:[8, 1] Operation: 90-89=1 Exploring Operation: 8+89=97, Resulting Numbers: [90, 97] Generated Node #0,2,2: 95:[90, 97] Operation: 8+89=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[8, 1], Operations: ['65+24=89', '90-89=1'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[90, 97], Operations: ['65+24=89', '8+89=97'] Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 90*97=8730, Resulting Numbers: [8730] 8730,95 unequal: No Solution Exploring Operation: 90+97=187, Resulting Numbers: [187] 187,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[89, 98], Operations: ['65+24=89', '90+8=98'] Exploring Operation: 89+98=187, Resulting Numbers: [187] 187,95 unequal: No Solution Exploring Operation: 89*98=8722, Resulting Numbers: [8722] 8722,95 unequal: No Solution Exploring Operation: 98-89=9, Resulting Numbers: [9] 9,95 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: 95:[90, 8, 41], Operations: ['65-24=41'] Exploring Operation: 90+8=98, Resulting Numbers: [41, 98] Generated Node #0,0,0: 95:[41, 98] Operation: 90+8=98 Exploring Operation: 41-8=33, Resulting Numbers: [90, 33] Generated Node #0,0,1: 95:[90, 33] Operation: 41-8=33 Exploring Operation: 90-41=49, Resulting Numbers: [8, 49] Generated Node #0,0,2: 95:[8, 49] Operation: 90-41=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[90, 33], Operations: ['65-24=41', '41-8=33'] Exploring Operation: 90+33=123, Resulting Numbers: [123] 123,95 unequal: No Solution Exploring Operation: 90*33=2970, Resulting Numbers: [2970] 2970,95 unequal: No Solution Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[41, 98], Operations: ['65-24=41', '90+8=98'] Exploring Operation: 41+98=139, Resulting Numbers: [139] 139,95 unequal: No Solution Exploring Operation: 41*98=4018, Resulting Numbers: [4018] 4018,95 unequal: No Solution Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[8, 49], Operations: ['65-24=41', '90-41=49'] Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,95 unequal: No Solution Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,95 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: 95:[24, 17], Operations: ['90-65=25', '25-8=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,95 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,95 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[8, 1], Operations: ['90-65=25', '25-24=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[25, 3], Operations: ['90-65=25', '24/8=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,95 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 27, 29, 1, 3 ]
83
[ "3-1=2", "27*2=54", "29+54=83" ]
Current State: 83:[27, 29, 1, 3], Operations: [] Exploring Operation: 3-1=2, Resulting Numbers: [27, 29, 2] Generated Node #2: [27, 29, 2] from Operation: 3-1=2 Current State: 83:[27, 29, 2], Operations: ['3-1=2'] Exploring Operation: 27*2=54, Resulting Numbers: [29, 54] Generated Node #3: [29, 54] from Operation: 27*2=54 Current State: 83:[29, 54], Operations: ['3-1=2', '27*2=54'] Exploring Operation: 29+54=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[27, 29, 1, 3], Operations: [] Exploring Operation: 29*3=87, Resulting Numbers: [27, 1, 87] Generated Node #0,0: 83:[27, 1, 87] Operation: 29*3=87 Exploring Operation: 27*3=81, Resulting Numbers: [29, 1, 81] Generated Node #0,1: 83:[29, 1, 81] Operation: 27*3=81 Exploring Operation: 27+29=56, Resulting Numbers: [1, 3, 56] Generated Node #0,2: 83:[1, 3, 56] Operation: 27+29=56 Exploring Operation: 27+1=28, Resulting Numbers: [29, 3, 28] Generated Node #0,3: 83:[29, 3, 28] Operation: 27+1=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[29, 1, 81], Operations: ['27*3=81'] Exploring Operation: 29/1=29, Resulting Numbers: [81, 29] Generated Node #0,1,0: 83:[81, 29] Operation: 29/1=29 Exploring Operation: 1+81=82, Resulting Numbers: [29, 82] Generated Node #0,1,1: 83:[29, 82] Operation: 1+81=82 Exploring Operation: 29*1=29, Resulting Numbers: [81, 29] Generated Node #0,1,2: 83:[81, 29] Operation: 29*1=29 Exploring Operation: 29+1=30, Resulting Numbers: [81, 30] Generated Node #0,1,3: 83:[81, 30] Operation: 29+1=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[29, 82], Operations: ['27*3=81', '1+81=82'] Exploring Operation: 29*82=2378, Resulting Numbers: [2378] 2378,83 unequal: No Solution Exploring Operation: 29+82=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[81, 30], Operations: ['27*3=81', '29+1=30'] Exploring Operation: 81+30=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,83 unequal: No Solution Exploring Operation: 81*30=2430, Resulting Numbers: [2430] 2430,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[81, 29], Operations: ['27*3=81', '29/1=29'] Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[81, 29], Operations: ['27*3=81', '29*1=29'] Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,83 unequal: No Solution Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[27, 1, 87], Operations: ['29*3=87'] Exploring Operation: 27/1=27, Resulting Numbers: [87, 27] Generated Node #0,0,0: 83:[87, 27] Operation: 27/1=27 Exploring Operation: 27*1=27, Resulting Numbers: [87, 27] Generated Node #0,0,1: 83:[87, 27] Operation: 27*1=27 Exploring Operation: 27+1=28, Resulting Numbers: [87, 28] Generated Node #0,0,2: 83:[87, 28] Operation: 27+1=28 Exploring Operation: 87-1=86, Resulting Numbers: [27, 86] Generated Node #0,0,3: 83:[27, 86] Operation: 87-1=86 Moving to Node #0,0,2 Current State: 83:[87, 28], Operations: ['29*3=87', '27+1=28'] Exploring Operation: 87+28=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 87*28=2436, Resulting Numbers: [2436] 2436,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[27, 86], Operations: ['29*3=87', '87-1=86'] Exploring Operation: 86-27=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 27+86=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 27*86=2322, Resulting Numbers: [2322] 2322,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[87, 27], Operations: ['29*3=87', '27*1=27'] Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,83 unequal: No Solution Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[87, 27], Operations: ['29*3=87', '27/1=27'] Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,83 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[1, 3, 56], Operations: ['27+29=56'] Exploring Operation: 3+56=59, Resulting Numbers: [1, 59] Generated Node #0,2,0: 83:[1, 59] Operation: 3+56=59 Exploring Operation: 1+56=57, Resulting Numbers: [3, 57] Generated Node #0,2,1: 83:[3, 57] Operation: 1+56=57 Exploring Operation: 1*3=3, Resulting Numbers: [56, 3] Generated Node #0,2,2: 83:[56, 3] Operation: 1*3=3 Exploring Operation: 1+3=4, Resulting Numbers: [56, 4] Generated Node #0,2,3: 83:[56, 4] Operation: 1+3=4 Moving to Node #0,2,0 Current State: 83:[1, 59], Operations: ['27+29=56', '3+56=59'] Exploring Operation: 1+59=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[56, 4], Operations: ['27+29=56', '1+3=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,83 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,83 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[3, 57], Operations: ['27+29=56', '1+56=57'] Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[56, 3], Operations: ['27+29=56', '1*3=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[29, 3, 28], Operations: ['27+1=28'] Exploring Operation: 29*3=87, Resulting Numbers: [28, 87] Generated Node #0,3,0: 83:[28, 87] Operation: 29*3=87 Exploring Operation: 29+3=32, Resulting Numbers: [28, 32] Generated Node #0,3,1: 83:[28, 32] Operation: 29+3=32 Exploring Operation: 3*28=84, Resulting Numbers: [29, 84] Generated Node #0,3,2: 83:[29, 84] Operation: 3*28=84 Exploring Operation: 29+28=57, Resulting Numbers: [3, 57] Generated Node #0,3,3: 83:[3, 57] Operation: 29+28=57 Moving to Node #0,3,2 Current State: 83:[29, 84], Operations: ['27+1=28', '3*28=84'] Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,83 unequal: No Solution Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[28, 87], Operations: ['27+1=28', '29*3=87'] Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 28*87=2436, Resulting Numbers: [2436] 2436,83 unequal: No Solution Exploring Operation: 28+87=115, Resulting Numbers: [115] 115,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[3, 57], Operations: ['27+1=28', '29+28=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[28, 32], Operations: ['27+1=28', '29+3=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,83 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 34, 38, 2, 77 ]
24
[ "77-34=43", "38/2=19", "43-19=24" ]
Current State: 24:[34, 38, 2, 77], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [38, 2, 43] Generated Node #2: [38, 2, 43] from Operation: 77-34=43 Current State: 24:[38, 2, 43], Operations: ['77-34=43'] Exploring Operation: 38/2=19, Resulting Numbers: [43, 19] Generated Node #3: [43, 19] from Operation: 38/2=19 Current State: 24:[43, 19], Operations: ['77-34=43', '38/2=19'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[34, 38, 2, 77], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [2, 77, 4] Generated Node #0,0: 24:[2, 77, 4] Operation: 38-34=4 Exploring Operation: 77-34=43, Resulting Numbers: [38, 2, 43] Generated Node #0,1: 24:[38, 2, 43] Operation: 77-34=43 Exploring Operation: 77-38=39, Resulting Numbers: [34, 2, 39] Generated Node #0,2: 24:[34, 2, 39] Operation: 77-38=39 Exploring Operation: 38/2=19, Resulting Numbers: [34, 77, 19] Generated Node #0,3: 24:[34, 77, 19] Operation: 38/2=19 Exploring Operation: 34/2=17, Resulting Numbers: [38, 77, 17] Generated Node #0,4: 24:[38, 77, 17] Operation: 34/2=17 Moving to Node #0,2 Current State: 24:[34, 2, 39], Operations: ['77-38=39'] Exploring Operation: 39-2=37, Resulting Numbers: [34, 37] Generated Node #0,2,0: 24:[34, 37] Operation: 39-2=37 Exploring Operation: 34+2=36, Resulting Numbers: [39, 36] Generated Node #0,2,1: 24:[39, 36] Operation: 34+2=36 Exploring Operation: 39-34=5, Resulting Numbers: [2, 5] Generated Node #0,2,2: 24:[2, 5] Operation: 39-34=5 Exploring Operation: 34/2=17, Resulting Numbers: [39, 17] Generated Node #0,2,3: 24:[39, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [39, 32] Generated Node #0,2,4: 24:[39, 32] Operation: 34-2=32 Moving to Node #0,1 Current State: 24:[38, 2, 43], Operations: ['77-34=43'] Exploring Operation: 43-38=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 24:[2, 5] Operation: 43-38=5 Exploring Operation: 38-2=36, Resulting Numbers: [43, 36] Generated Node #0,1,1: 24:[43, 36] Operation: 38-2=36 Exploring Operation: 43-2=41, Resulting Numbers: [38, 41] Generated Node #0,1,2: 24:[38, 41] Operation: 43-2=41 Exploring Operation: 38+2=40, Resulting Numbers: [43, 40] Generated Node #0,1,3: 24:[43, 40] Operation: 38+2=40 Exploring Operation: 38/2=19, Resulting Numbers: [43, 19] Generated Node #0,1,4: 24:[43, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[2, 5], Operations: ['77-34=43', '43-38=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,24 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:[43, 19], Operations: ['77-34=43', '38/2=19'] Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,24 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,24 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[34, 38, 2, 77], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [38, 2, 43] Generated Node #0,1: 24:[38, 2, 43] Operation: 77-34=43 Moving to Node #0,1 Current State: 24:[38, 2, 43], Operations: ['77-34=43'] Exploring Operation: 38/2=19, Resulting Numbers: [43, 19] Generated Node #0,1,4: 24:[43, 19] Operation: 38/2=19 Moving to Node #0,1,4 Current State: 24:[43, 19], Operations: ['77-34=43', '38/2=19'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 39, 36, 63, 3 ]
65
[ "63-3=60", "39*60=2340", "2340/36=65" ]
Current State: 65:[39, 36, 63, 3], Operations: [] Exploring Operation: 63-3=60, Resulting Numbers: [39, 36, 60] Generated Node #2: [39, 36, 60] from Operation: 63-3=60 Current State: 65:[39, 36, 60], Operations: ['63-3=60'] Exploring Operation: 39*60=2340, Resulting Numbers: [36, 2340] Generated Node #3: [36, 2340] from Operation: 39*60=2340 Current State: 65:[36, 2340], Operations: ['63-3=60', '39*60=2340'] Exploring Operation: 2340/36=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[39, 36, 63, 3], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [63, 3, 3] Generated Node #0,0: 65:[63, 3, 3] Operation: 39-36=3 Exploring Operation: 39+36=75, Resulting Numbers: [63, 3, 75] Generated Node #0,1: 65:[63, 3, 75] Operation: 39+36=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[63, 3, 3], Operations: ['39-36=3'] Exploring Operation: 63+3=66, Resulting Numbers: [3, 66] Generated Node #0,0,0: 65:[3, 66] Operation: 63+3=66 Exploring Operation: 63+3=66, Resulting Numbers: [3, 66] Generated Node #0,0,1: 65:[3, 66] Operation: 63+3=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[3, 66], Operations: ['39-36=3', '63+3=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,65 unequal: No Solution No 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: 65:[3, 66], Operations: ['39-36=3', '63+3=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[63, 3, 75], Operations: ['39+36=75'] Exploring Operation: 75-3=72, Resulting Numbers: [63, 72] Generated Node #0,1,0: 65:[63, 72] Operation: 75-3=72 Exploring Operation: 75-63=12, Resulting Numbers: [3, 12] Generated Node #0,1,1: 65:[3, 12] Operation: 75-63=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[3, 12], Operations: ['39+36=75', '75-63=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,65 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,65 unequal: No Solution No 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: 65:[63, 72], Operations: ['39+36=75', '75-3=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 82, 2, 25, 44 ]
70
[ "82-25=57", "2*57=114", "114-44=70" ]
Current State: 70:[82, 2, 25, 44], Operations: [] Exploring Operation: 82-25=57, Resulting Numbers: [2, 44, 57] Generated Node #2: [2, 44, 57] from Operation: 82-25=57 Current State: 70:[2, 44, 57], Operations: ['82-25=57'] Exploring Operation: 2*57=114, Resulting Numbers: [44, 114] Generated Node #3: [44, 114] from Operation: 2*57=114 Current State: 70:[44, 114], Operations: ['82-25=57', '2*57=114'] Exploring Operation: 114-44=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[82, 2, 25, 44], Operations: [] Exploring Operation: 82-44=38, Resulting Numbers: [2, 25, 38] Generated Node #0,0: 70:[2, 25, 38] Operation: 82-44=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[2, 25, 38], Operations: ['82-44=38'] Exploring Operation: 38-25=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 70:[2, 13] Operation: 38-25=13 Moving to Node #0,0,0 Current State: 70:[2, 13], Operations: ['82-44=38', '38-25=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,70 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
[ 85, 26, 77, 37 ]
55
[ "85-26=59", "77+37=114", "114-59=55" ]
Current State: 55:[85, 26, 77, 37], Operations: [] Exploring Operation: 85-26=59, Resulting Numbers: [77, 37, 59] Generated Node #2: [77, 37, 59] from Operation: 85-26=59 Current State: 55:[77, 37, 59], Operations: ['85-26=59'] Exploring Operation: 77+37=114, Resulting Numbers: [59, 114] Generated Node #3: [59, 114] from Operation: 77+37=114 Current State: 55:[59, 114], Operations: ['85-26=59', '77+37=114'] Exploring Operation: 114-59=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[85, 26, 77, 37], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [26, 37, 8] Generated Node #0,0: 55:[26, 37, 8] Operation: 85-77=8 Exploring Operation: 85-37=48, Resulting Numbers: [26, 77, 48] Generated Node #0,1: 55:[26, 77, 48] Operation: 85-37=48 Exploring Operation: 85-26=59, Resulting Numbers: [77, 37, 59] Generated Node #0,2: 55:[77, 37, 59] Operation: 85-26=59 Moving to Node #0,0 Current State: 55:[26, 37, 8], Operations: ['85-77=8'] Exploring Operation: 26+37=63, Resulting Numbers: [8, 63] Generated Node #0,0,0: 55:[8, 63] Operation: 26+37=63 Exploring Operation: 37-26=11, Resulting Numbers: [8, 11] Generated Node #0,0,1: 55:[8, 11] Operation: 37-26=11 Exploring Operation: 26-8=18, Resulting Numbers: [37, 18] Generated Node #0,0,2: 55:[37, 18] Operation: 26-8=18 Moving to Node #0,1 Current State: 55:[26, 77, 48], Operations: ['85-37=48'] Exploring Operation: 77-48=29, Resulting Numbers: [26, 29] Generated Node #0,1,0: 55:[26, 29] Operation: 77-48=29 Exploring Operation: 48-26=22, Resulting Numbers: [77, 22] Generated Node #0,1,1: 55:[77, 22] Operation: 48-26=22 Exploring Operation: 77-26=51, Resulting Numbers: [48, 51] Generated Node #0,1,2: 55:[48, 51] Operation: 77-26=51 Moving to Node #0,2 Current State: 55:[77, 37, 59], Operations: ['85-26=59'] Exploring Operation: 59-37=22, Resulting Numbers: [77, 22] Generated Node #0,2,0: 55:[77, 22] Operation: 59-37=22 Exploring Operation: 77-37=40, Resulting Numbers: [59, 40] Generated Node #0,2,1: 55:[59, 40] Operation: 77-37=40 Exploring Operation: 77-59=18, Resulting Numbers: [37, 18] Generated Node #0,2,2: 55:[37, 18] Operation: 77-59=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[59, 40], Operations: ['85-26=59', '77-37=40'] Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,55 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[37, 18], Operations: ['85-26=59', '77-59=18'] Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,55 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[85, 26, 77, 37], Operations: [] Exploring Operation: 85-26=59, Resulting Numbers: [77, 37, 59] Generated Node #0,2: 55:[77, 37, 59] Operation: 85-26=59 Moving to Node #0,2 Current State: 55:[77, 37, 59], Operations: ['85-26=59'] Exploring Operation: 77-59=18, Resulting Numbers: [37, 18] Generated Node #0,2,2: 55:[37, 18] Operation: 77-59=18 Moving to Node #0,2,2 Current State: 55:[37, 18], Operations: ['85-26=59', '77-59=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 23, 25, 2, 89 ]
31
[ "23+89=112", "112/2=56", "56-25=31" ]
Current State: 31:[23, 25, 2, 89], Operations: [] Exploring Operation: 23+89=112, Resulting Numbers: [25, 2, 112] Generated Node #2: [25, 2, 112] from Operation: 23+89=112 Current State: 31:[25, 2, 112], Operations: ['23+89=112'] Exploring Operation: 112/2=56, Resulting Numbers: [25, 56] Generated Node #3: [25, 56] from Operation: 112/2=56 Current State: 31:[25, 56], Operations: ['23+89=112', '112/2=56'] Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[23, 25, 2, 89], Operations: [] Exploring Operation: 89-23=66, Resulting Numbers: [25, 2, 66] Generated Node #0,0: 31:[25, 2, 66] Operation: 89-23=66 Exploring Operation: 23+2=25, Resulting Numbers: [25, 89, 25] Generated Node #0,1: 31:[25, 89, 25] Operation: 23+2=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[25, 2, 66], Operations: ['89-23=66'] Exploring Operation: 66/2=33, Resulting Numbers: [25, 33] Generated Node #0,0,0: 31:[25, 33] Operation: 66/2=33 Exploring Operation: 25+2=27, Resulting Numbers: [66, 27] Generated Node #0,0,1: 31:[66, 27] Operation: 25+2=27 Moving to Node #0,0,0 Current State: 31:[25, 33], Operations: ['89-23=66', '66/2=33'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[66, 27], Operations: ['89-23=66', '25+2=27'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[25, 89, 25], Operations: ['23+2=25'] Exploring Operation: 89-25=64, Resulting Numbers: [25, 64] Generated Node #0,1,0: 31:[25, 64] Operation: 89-25=64 Exploring Operation: 89-25=64, Resulting Numbers: [25, 64] Generated Node #0,1,1: 31:[25, 64] Operation: 89-25=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[25, 64], Operations: ['23+2=25', '89-25=64'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[25, 64], Operations: ['23+2=25', '89-25=64'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 27, 31, 72, 4 ]
73
[ "31-27=4", "4/4=1", "72+1=73" ]
Current State: 73:[27, 31, 72, 4], Operations: [] Exploring Operation: 31-27=4, Resulting Numbers: [72, 4, 4] Generated Node #2: [72, 4, 4] from Operation: 31-27=4 Current State: 73:[72, 4, 4], Operations: ['31-27=4'] Exploring Operation: 4/4=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 4/4=1 Current State: 73:[72, 1], Operations: ['31-27=4', '4/4=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[27, 31, 72, 4], Operations: [] Exploring Operation: 31+4=35, Resulting Numbers: [27, 72, 35] Generated Node #0,0: 73:[27, 72, 35] Operation: 31+4=35 Exploring Operation: 27+31=58, Resulting Numbers: [72, 4, 58] Generated Node #0,1: 73:[72, 4, 58] Operation: 27+31=58 Exploring Operation: 27*4=108, Resulting Numbers: [31, 72, 108] Generated Node #0,2: 73:[31, 72, 108] Operation: 27*4=108 Exploring Operation: 27+4=31, Resulting Numbers: [31, 72, 31] Generated Node #0,3: 73:[31, 72, 31] Operation: 27+4=31 Moving to Node #0,2 Current State: 73:[31, 72, 108], Operations: ['27*4=108'] Exploring Operation: 31+72=103, Resulting Numbers: [108, 103] Generated Node #0,2,0: 73:[108, 103] Operation: 31+72=103 Exploring Operation: 31+108=139, Resulting Numbers: [72, 139] Generated Node #0,2,1: 73:[72, 139] Operation: 31+108=139 Exploring Operation: 108-31=77, Resulting Numbers: [72, 77] Generated Node #0,2,2: 73:[72, 77] Operation: 108-31=77 Exploring Operation: 72-31=41, Resulting Numbers: [108, 41] Generated Node #0,2,3: 73:[108, 41] Operation: 72-31=41 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[72, 77], Operations: ['27*4=108', '108-31=77'] Exploring Operation: 72+77=149, Resulting Numbers: [149] 149,73 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 72*77=5544, Resulting Numbers: [5544] 5544,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[108, 103], Operations: ['27*4=108', '31+72=103'] Exploring Operation: 108-103=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 108*103=11124, Resulting Numbers: [11124] 11124,73 unequal: No Solution Exploring Operation: 108+103=211, Resulting Numbers: [211] 211,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[72, 139], Operations: ['27*4=108', '31+108=139'] Exploring Operation: 139-72=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 72+139=211, Resulting Numbers: [211] 211,73 unequal: No Solution Exploring Operation: 72*139=10008, Resulting Numbers: [10008] 10008,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[108, 41], Operations: ['27*4=108', '72-31=41'] Exploring Operation: 108+41=149, Resulting Numbers: [149] 149,73 unequal: No Solution Exploring Operation: 108*41=4428, Resulting Numbers: [4428] 4428,73 unequal: No Solution Exploring Operation: 108-41=67, Resulting Numbers: [67] 67,73 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: 73:[72, 4, 58], Operations: ['27+31=58'] Exploring Operation: 72+4=76, Resulting Numbers: [58, 76] Generated Node #0,1,0: 73:[58, 76] Operation: 72+4=76 Exploring Operation: 72-4=68, Resulting Numbers: [58, 68] Generated Node #0,1,1: 73:[58, 68] Operation: 72-4=68 Exploring Operation: 4+58=62, Resulting Numbers: [72, 62] Generated Node #0,1,2: 73:[72, 62] Operation: 4+58=62 Exploring Operation: 58-4=54, Resulting Numbers: [72, 54] Generated Node #0,1,3: 73:[72, 54] Operation: 58-4=54 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[72, 62], Operations: ['27+31=58', '4+58=62'] Exploring Operation: 72*62=4464, Resulting Numbers: [4464] 4464,73 unequal: No Solution Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 72+62=134, Resulting Numbers: [134] 134,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[58, 76], Operations: ['27+31=58', '72+4=76'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,73 unequal: No Solution Exploring Operation: 58*76=4408, Resulting Numbers: [4408] 4408,73 unequal: No Solution Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[58, 68], Operations: ['27+31=58', '72-4=68'] Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 58+68=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 58*68=3944, Resulting Numbers: [3944] 3944,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[72, 54], Operations: ['27+31=58', '58-4=54'] Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,73 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 73:[27, 72, 35], Operations: ['31+4=35'] Exploring Operation: 35-27=8, Resulting Numbers: [72, 8] Generated Node #0,0,0: 73:[72, 8] Operation: 35-27=8 Exploring Operation: 72-27=45, Resulting Numbers: [35, 45] Generated Node #0,0,1: 73:[35, 45] Operation: 72-27=45 Exploring Operation: 27+35=62, Resulting Numbers: [72, 62] Generated Node #0,0,2: 73:[72, 62] Operation: 27+35=62 Exploring Operation: 27+72=99, Resulting Numbers: [35, 99] Generated Node #0,0,3: 73:[35, 99] Operation: 27+72=99 Moving to Node #0,3 Current State: 73:[31, 72, 31], Operations: ['27+4=31'] Exploring Operation: 31/31=1, Resulting Numbers: [72, 1] Generated Node #0,3,0: 73:[72, 1] Operation: 31/31=1 Exploring Operation: 31+72=103, Resulting Numbers: [31, 103] Generated Node #0,3,1: 73:[31, 103] Operation: 31+72=103 Exploring Operation: 72+31=103, Resulting Numbers: [31, 103] Generated Node #0,3,2: 73:[31, 103] Operation: 72+31=103 Exploring Operation: 31+31=62, Resulting Numbers: [72, 62] Generated Node #0,3,3: 73:[72, 62] Operation: 31+31=62 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[72, 62], Operations: ['27+4=31', '31+31=62'] Exploring Operation: 72+62=134, Resulting Numbers: [134] 134,73 unequal: No Solution Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 72*62=4464, Resulting Numbers: [4464] 4464,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[31, 103], Operations: ['27+4=31', '31+72=103'] Exploring Operation: 103-31=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 31*103=3193, Resulting Numbers: [3193] 3193,73 unequal: No Solution Exploring Operation: 31+103=134, Resulting Numbers: [134] 134,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[31, 103], Operations: ['27+4=31', '72+31=103'] Exploring Operation: 103-31=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 31*103=3193, Resulting Numbers: [3193] 3193,73 unequal: No Solution Exploring Operation: 31+103=134, Resulting Numbers: [134] 134,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[72, 1], Operations: ['27+4=31', '31/31=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[27, 31, 72, 4], Operations: [] Exploring Operation: 27+4=31, Resulting Numbers: [31, 72, 31] Generated Node #0,3: 73:[31, 72, 31] Operation: 27+4=31 Moving to Node #0,3 Current State: 73:[31, 72, 31], Operations: ['27+4=31'] Exploring Operation: 31/31=1, Resulting Numbers: [72, 1] Generated Node #0,3,0: 73:[72, 1] Operation: 31/31=1 Moving to Node #0,3,0 Current State: 73:[72, 1], Operations: ['27+4=31', '31/31=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_4
sum_heuristic
[ 37, 54, 11, 2 ]
43
[ "11-2=9", "54/9=6", "37+6=43" ]
Current State: 43:[37, 54, 11, 2], Operations: [] Exploring Operation: 11-2=9, Resulting Numbers: [37, 54, 9] Generated Node #2: [37, 54, 9] from Operation: 11-2=9 Current State: 43:[37, 54, 9], Operations: ['11-2=9'] Exploring Operation: 54/9=6, Resulting Numbers: [37, 6] Generated Node #3: [37, 6] from Operation: 54/9=6 Current State: 43:[37, 6], Operations: ['11-2=9', '54/9=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[37, 54, 11, 2], Operations: [] Exploring Operation: 54-11=43, Resulting Numbers: [37, 2, 43] Generated Node #0,0: 43:[37, 2, 43] Operation: 54-11=43 Exploring Operation: 11*2=22, Resulting Numbers: [37, 54, 22] Generated Node #0,1: 43:[37, 54, 22] Operation: 11*2=22 Exploring Operation: 11+2=13, Resulting Numbers: [37, 54, 13] Generated Node #0,2: 43:[37, 54, 13] Operation: 11+2=13 Exploring Operation: 37+2=39, Resulting Numbers: [54, 11, 39] Generated Node #0,3: 43:[54, 11, 39] Operation: 37+2=39 Exploring Operation: 54-2=52, Resulting Numbers: [37, 11, 52] Generated Node #0,4: 43:[37, 11, 52] Operation: 54-2=52 Moving to Node #0,1 Current State: 43:[37, 54, 22], Operations: ['11*2=22'] Exploring Operation: 54-22=32, Resulting Numbers: [37, 32] Generated Node #0,1,0: 43:[37, 32] Operation: 54-22=32 Exploring Operation: 54-37=17, Resulting Numbers: [22, 17] Generated Node #0,1,1: 43:[22, 17] Operation: 54-37=17 Exploring Operation: 37-22=15, Resulting Numbers: [54, 15] Generated Node #0,1,2: 43:[54, 15] Operation: 37-22=15 Exploring Operation: 37+22=59, Resulting Numbers: [54, 59] Generated Node #0,1,3: 43:[54, 59] Operation: 37+22=59 Exploring Operation: 54+22=76, Resulting Numbers: [37, 76] Generated Node #0,1,4: 43:[37, 76] Operation: 54+22=76 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[37, 32], Operations: ['11*2=22', '54-22=32'] Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 37*32=1184, Resulting Numbers: [1184] 1184,43 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 #0,1,3 Current State: 43:[54, 59], Operations: ['11*2=22', '37+22=59'] Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 54*59=3186, Resulting Numbers: [3186] 3186,43 unequal: No Solution Exploring Operation: 54+59=113, Resulting Numbers: [113] 113,43 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 #0,1,2 Current State: 43:[54, 15], Operations: ['11*2=22', '37-22=15'] Exploring Operation: 54+15=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,43 unequal: No Solution Exploring Operation: 54*15=810, Resulting Numbers: [810] 810,43 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 #0,1,4 Current State: 43:[37, 76], Operations: ['11*2=22', '54+22=76'] Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,43 unequal: No Solution Exploring Operation: 37*76=2812, Resulting Numbers: [2812] 2812,43 unequal: No Solution Exploring Operation: 37+76=113, Resulting Numbers: [113] 113,43 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 #0,1,1 Current State: 43:[22, 17], Operations: ['11*2=22', '54-37=17'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,43 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,43 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: 43:[37, 54, 13], Operations: ['11+2=13'] Exploring Operation: 54+13=67, Resulting Numbers: [37, 67] Generated Node #0,2,0: 43:[37, 67] Operation: 54+13=67 Exploring Operation: 37+13=50, Resulting Numbers: [54, 50] Generated Node #0,2,1: 43:[54, 50] Operation: 37+13=50 Exploring Operation: 54-13=41, Resulting Numbers: [37, 41] Generated Node #0,2,2: 43:[37, 41] Operation: 54-13=41 Exploring Operation: 37-13=24, Resulting Numbers: [54, 24] Generated Node #0,2,3: 43:[54, 24] Operation: 37-13=24 Exploring Operation: 54-37=17, Resulting Numbers: [13, 17] Generated Node #0,2,4: 43:[13, 17] Operation: 54-37=17 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[37, 41], Operations: ['11+2=13', '54-13=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[54, 50], Operations: ['11+2=13', '37+13=50'] Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[37, 67], Operations: ['11+2=13', '54+13=67'] Exploring Operation: 37*67=2479, Resulting Numbers: [2479] 2479,43 unequal: No Solution Exploring Operation: 37+67=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 43:[54, 24], Operations: ['11+2=13', '37-13=24'] Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,43 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 43:[13, 17], Operations: ['11+2=13', '54-37=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 13*17=221, Resulting Numbers: [221] 221,43 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,43 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: 43:[37, 11, 52], Operations: ['54-2=52'] Exploring Operation: 52-37=15, Resulting Numbers: [11, 15] Generated Node #0,4,0: 43:[11, 15] Operation: 52-37=15 Exploring Operation: 37+11=48, Resulting Numbers: [52, 48] Generated Node #0,4,1: 43:[52, 48] Operation: 37+11=48 Exploring Operation: 11+52=63, Resulting Numbers: [37, 63] Generated Node #0,4,2: 43:[37, 63] Operation: 11+52=63 Exploring Operation: 37-11=26, Resulting Numbers: [52, 26] Generated Node #0,4,3: 43:[52, 26] Operation: 37-11=26 Exploring Operation: 52-11=41, Resulting Numbers: [37, 41] Generated Node #0,4,4: 43:[37, 41] Operation: 52-11=41 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 43:[37, 41], Operations: ['54-2=52', '52-11=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,43 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 43:[52, 48], Operations: ['54-2=52', '37+11=48'] Exploring Operation: 52+48=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 52*48=2496, Resulting Numbers: [2496] 2496,43 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 43:[37, 63], Operations: ['54-2=52', '11+52=63'] Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 37+63=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 37*63=2331, Resulting Numbers: [2331] 2331,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 43:[52, 26], Operations: ['54-2=52', '37-11=26'] Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,43 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 43:[11, 15], Operations: ['54-2=52', '52-37=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,43 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,43 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: 43:[37, 2, 43], Operations: ['54-11=43'] Exploring Operation: 43-2=41, Resulting Numbers: [37, 41] Generated Node #0,0,0: 43:[37, 41] Operation: 43-2=41 Exploring Operation: 37-2=35, Resulting Numbers: [43, 35] Generated Node #0,0,1: 43:[43, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [43, 39] Generated Node #0,0,2: 43:[43, 39] Operation: 37+2=39 Exploring Operation: 37*2=74, Resulting Numbers: [43, 74] Generated Node #0,0,3: 43:[43, 74] Operation: 37*2=74 Exploring Operation: 2+43=45, Resulting Numbers: [37, 45] Generated Node #0,0,4: 43:[37, 45] Operation: 2+43=45 Moving to Node #0,3 Current State: 43:[54, 11, 39], Operations: ['37+2=39'] Exploring Operation: 11+39=50, Resulting Numbers: [54, 50] Generated Node #0,3,0: 43:[54, 50] Operation: 11+39=50 Exploring Operation: 39-11=28, Resulting Numbers: [54, 28] Generated Node #0,3,1: 43:[54, 28] Operation: 39-11=28 Exploring Operation: 54-11=43, Resulting Numbers: [39, 43] Generated Node #0,3,2: 43:[39, 43] Operation: 54-11=43 Exploring Operation: 54-39=15, Resulting Numbers: [11, 15] Generated Node #0,3,3: 43:[11, 15] Operation: 54-39=15 Exploring Operation: 54+11=65, Resulting Numbers: [39, 65] Generated Node #0,3,4: 43:[39, 65] Operation: 54+11=65 Moving to Node #0,0,2 Current State: 43:[43, 39], Operations: ['54-11=43', '37+2=39'] Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[39, 43], Operations: ['37+2=39', '54-11=43'] Exploring Operation: 39*43=1677, Resulting Numbers: [1677] 1677,43 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 39+43=82, Resulting Numbers: [82] 82,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[43, 35], Operations: ['54-11=43', '37-2=35'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[37, 41], Operations: ['54-11=43', '43-2=41'] Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,43 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[37, 45], Operations: ['54-11=43', '2+43=45'] Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,43 unequal: No Solution Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[54, 50], Operations: ['37+2=39', '11+39=50'] Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,43 unequal: No Solution Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[54, 28], Operations: ['37+2=39', '39-11=28'] Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution Moving to Node #0,3,4 Current State: 43:[39, 65], Operations: ['37+2=39', '54+11=65'] Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,43 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[43, 74], Operations: ['54-11=43', '37*2=74'] Exploring Operation: 43+74=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 43*74=3182, Resulting Numbers: [3182] 3182,43 unequal: No Solution Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[11, 15], Operations: ['37+2=39', '54-39=15'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,43 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 3, 84, 12, 78 ]
98
[ "78/3=26", "84-12=72", "26+72=98" ]
Current State: 98:[3, 84, 12, 78], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [84, 12, 26] Generated Node #2: [84, 12, 26] from Operation: 78/3=26 Current State: 98:[84, 12, 26], Operations: ['78/3=26'] Exploring Operation: 84-12=72, Resulting Numbers: [26, 72] Generated Node #3: [26, 72] from Operation: 84-12=72 Current State: 98:[26, 72], Operations: ['78/3=26', '84-12=72'] Exploring Operation: 26+72=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 84, 12, 78], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [3, 78, 7] Generated Node #0,0: 98:[3, 78, 7] Operation: 84/12=7 Exploring Operation: 12+78=90, Resulting Numbers: [3, 84, 90] Generated Node #0,1: 98:[3, 84, 90] Operation: 12+78=90 Exploring Operation: 84+12=96, Resulting Numbers: [3, 78, 96] Generated Node #0,2: 98:[3, 78, 96] Operation: 84+12=96 Exploring Operation: 84-78=6, Resulting Numbers: [3, 12, 6] Generated Node #0,3: 98:[3, 12, 6] Operation: 84-78=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[3, 12, 6], Operations: ['84-78=6'] Exploring Operation: 3+12=15, Resulting Numbers: [6, 15] Generated Node #0,3,0: 98:[6, 15] Operation: 3+12=15 Exploring Operation: 6/3=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 98:[12, 2] Operation: 6/3=2 Exploring Operation: 12-6=6, Resulting Numbers: [3, 6] Generated Node #0,3,2: 98:[3, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [3, 2] Generated Node #0,3,3: 98:[3, 2] Operation: 12/6=2 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[3, 2], Operations: ['84-78=6', '12/6=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[6, 15], Operations: ['84-78=6', '3+12=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[12, 2], Operations: ['84-78=6', '6/3=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[3, 6], Operations: ['84-78=6', '12-6=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 78, 7], Operations: ['84/12=7'] Exploring Operation: 3+78=81, Resulting Numbers: [7, 81] Generated Node #0,0,0: 98:[7, 81] Operation: 3+78=81 Exploring Operation: 78+7=85, Resulting Numbers: [3, 85] Generated Node #0,0,1: 98:[3, 85] Operation: 78+7=85 Exploring Operation: 78/3=26, Resulting Numbers: [7, 26] Generated Node #0,0,2: 98:[7, 26] Operation: 78/3=26 Exploring Operation: 7-3=4, Resulting Numbers: [78, 4] Generated Node #0,0,3: 98:[78, 4] Operation: 7-3=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[7, 26], Operations: ['84/12=7', '78/3=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,98 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[3, 85], Operations: ['84/12=7', '78+7=85'] Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,98 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[7, 81], Operations: ['84/12=7', '3+78=81'] Exploring Operation: 7*81=567, Resulting Numbers: [567] 567,98 unequal: No Solution Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 98:[78, 4], Operations: ['84/12=7', '7-3=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,98 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[3, 84, 90], Operations: ['12+78=90'] Exploring Operation: 3+90=93, Resulting Numbers: [84, 93] Generated Node #0,1,0: 98:[84, 93] Operation: 3+90=93 Exploring Operation: 90-84=6, Resulting Numbers: [3, 6] Generated Node #0,1,1: 98:[3, 6] Operation: 90-84=6 Exploring Operation: 3+84=87, Resulting Numbers: [90, 87] Generated Node #0,1,2: 98:[90, 87] Operation: 3+84=87 Exploring Operation: 84/3=28, Resulting Numbers: [90, 28] Generated Node #0,1,3: 98:[90, 28] Operation: 84/3=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[3, 6], Operations: ['12+78=90', '90-84=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[84, 93], Operations: ['12+78=90', '3+90=93'] Exploring Operation: 84*93=7812, Resulting Numbers: [7812] 7812,98 unequal: No Solution Exploring Operation: 84+93=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[90, 87], Operations: ['12+78=90', '3+84=87'] Exploring Operation: 90*87=7830, Resulting Numbers: [7830] 7830,98 unequal: No Solution Exploring Operation: 90+87=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[90, 28], Operations: ['12+78=90', '84/3=28'] Exploring Operation: 90*28=2520, Resulting Numbers: [2520] 2520,98 unequal: No Solution Exploring Operation: 90-28=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 90+28=118, Resulting Numbers: [118] 118,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[3, 78, 96], Operations: ['84+12=96'] Exploring Operation: 96-78=18, Resulting Numbers: [3, 18] Generated Node #0,2,0: 98:[3, 18] Operation: 96-78=18 Exploring Operation: 3+96=99, Resulting Numbers: [78, 99] Generated Node #0,2,1: 98:[78, 99] Operation: 3+96=99 Exploring Operation: 78/3=26, Resulting Numbers: [96, 26] Generated Node #0,2,2: 98:[96, 26] Operation: 78/3=26 Exploring Operation: 3+78=81, Resulting Numbers: [96, 81] Generated Node #0,2,3: 98:[96, 81] Operation: 3+78=81 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[3, 18], Operations: ['84+12=96', '96-78=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[96, 26], Operations: ['84+12=96', '78/3=26'] Exploring Operation: 96+26=122, Resulting Numbers: [122] 122,98 unequal: No Solution Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,98 unequal: No Solution Exploring Operation: 96*26=2496, Resulting Numbers: [2496] 2496,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 98:[96, 81], Operations: ['84+12=96', '3+78=81'] Exploring Operation: 96-81=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 96+81=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 96*81=7776, Resulting Numbers: [7776] 7776,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[78, 99], Operations: ['84+12=96', '3+96=99'] Exploring Operation: 78*99=7722, Resulting Numbers: [7722] 7722,98 unequal: No Solution Exploring Operation: 99-78=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 78+99=177, Resulting Numbers: [177] 177,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 10, 39, 91, 68 ]
26
[ "10+39=49", "91-68=23", "49-23=26" ]
Current State: 26:[10, 39, 91, 68], Operations: [] Exploring Operation: 10+39=49, Resulting Numbers: [91, 68, 49] Generated Node #2: [91, 68, 49] from Operation: 10+39=49 Current State: 26:[91, 68, 49], Operations: ['10+39=49'] Exploring Operation: 91-68=23, Resulting Numbers: [49, 23] Generated Node #3: [49, 23] from Operation: 91-68=23 Current State: 26:[49, 23], Operations: ['10+39=49', '91-68=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[10, 39, 91, 68], Operations: [] Exploring Operation: 91-10=81, Resulting Numbers: [39, 68, 81] Generated Node #0,0: 26:[39, 68, 81] Operation: 91-10=81 Exploring Operation: 91-68=23, Resulting Numbers: [10, 39, 23] Generated Node #0,1: 26:[10, 39, 23] Operation: 91-68=23 Exploring Operation: 91-39=52, Resulting Numbers: [10, 68, 52] Generated Node #0,2: 26:[10, 68, 52] Operation: 91-39=52 Exploring Operation: 68-39=29, Resulting Numbers: [10, 91, 29] Generated Node #0,3: 26:[10, 91, 29] Operation: 68-39=29 Exploring Operation: 39-10=29, Resulting Numbers: [91, 68, 29] Generated Node #0,4: 26:[91, 68, 29] Operation: 39-10=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[10, 39, 23], Operations: ['91-68=23'] Exploring Operation: 10+39=49, Resulting Numbers: [23, 49] Generated Node #0,1,0: 26:[23, 49] Operation: 10+39=49 Exploring Operation: 39-10=29, Resulting Numbers: [23, 29] Generated Node #0,1,1: 26:[23, 29] Operation: 39-10=29 Exploring Operation: 39-23=16, Resulting Numbers: [10, 16] Generated Node #0,1,2: 26:[10, 16] Operation: 39-23=16 Exploring Operation: 23-10=13, Resulting Numbers: [39, 13] Generated Node #0,1,3: 26:[39, 13] Operation: 23-10=13 Exploring Operation: 10+23=33, Resulting Numbers: [39, 33] Generated Node #0,1,4: 26:[39, 33] Operation: 10+23=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[23, 29], Operations: ['91-68=23', '39-10=29'] Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,26 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[10, 16], Operations: ['91-68=23', '39-23=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,26 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[10, 39, 91, 68], Operations: [] Exploring Operation: 91-68=23, Resulting Numbers: [10, 39, 23] Generated Node #0,1: 26:[10, 39, 23] Operation: 91-68=23 Moving to Node #0,1 Current State: 26:[10, 39, 23], Operations: ['91-68=23'] Exploring Operation: 39-23=16, Resulting Numbers: [10, 16] Generated Node #0,1,2: 26:[10, 16] Operation: 39-23=16 Moving to Node #0,1,2 Current State: 26:[10, 16], Operations: ['91-68=23', '39-23=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 64, 81, 30, 25 ]
12
[ "81-64=17", "30-25=5", "17-5=12" ]
Current State: 12:[64, 81, 30, 25], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [30, 25, 17] Generated Node #2: [30, 25, 17] from Operation: 81-64=17 Current State: 12:[30, 25, 17], Operations: ['81-64=17'] Exploring Operation: 30-25=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 30-25=5 Current State: 12:[17, 5], Operations: ['81-64=17', '30-25=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[64, 81, 30, 25], Operations: [] Exploring Operation: 81-25=56, Resulting Numbers: [64, 30, 56] Generated Node #0,0: 12:[64, 30, 56] Operation: 81-25=56 Exploring Operation: 64-25=39, Resulting Numbers: [81, 30, 39] Generated Node #0,1: 12:[81, 30, 39] Operation: 64-25=39 Exploring Operation: 81-64=17, Resulting Numbers: [30, 25, 17] Generated Node #0,2: 12:[30, 25, 17] Operation: 81-64=17 Exploring Operation: 64-30=34, Resulting Numbers: [81, 25, 34] Generated Node #0,3: 12:[81, 25, 34] Operation: 64-30=34 Exploring Operation: 81-30=51, Resulting Numbers: [64, 25, 51] Generated Node #0,4: 12:[64, 25, 51] Operation: 81-30=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[30, 25, 17], Operations: ['81-64=17'] Exploring Operation: 30-17=13, Resulting Numbers: [25, 13] Generated Node #0,2,0: 12:[25, 13] Operation: 30-17=13 Exploring Operation: 30-25=5, Resulting Numbers: [17, 5] Generated Node #0,2,1: 12:[17, 5] Operation: 30-25=5 Exploring Operation: 30+25=55, Resulting Numbers: [17, 55] Generated Node #0,2,2: 12:[17, 55] Operation: 30+25=55 Exploring Operation: 30+17=47, Resulting Numbers: [25, 47] Generated Node #0,2,3: 12:[25, 47] Operation: 30+17=47 Exploring Operation: 25-17=8, Resulting Numbers: [30, 8] Generated Node #0,2,4: 12:[30, 8] Operation: 25-17=8 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 12:[17, 5], Operations: ['81-64=17', '30-25=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[64, 81, 30, 25], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [30, 25, 17] Generated Node #0,2: 12:[30, 25, 17] Operation: 81-64=17 Moving to Node #0,2 Current State: 12:[30, 25, 17], Operations: ['81-64=17'] Exploring Operation: 30-25=5, Resulting Numbers: [17, 5] Generated Node #0,2,1: 12:[17, 5] Operation: 30-25=5 Moving to Node #0,2,1 Current State: 12:[17, 5], Operations: ['81-64=17', '30-25=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic