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
[ 63, 6, 61, 46 ]
72
[ "63-6=57", "61-46=15", "57+15=72" ]
Current State: 72:[63, 6, 61, 46], Operations: [] Exploring Operation: 63-6=57, Resulting Numbers: [61, 46, 57] Generated Node #2: [61, 46, 57] from Operation: 63-6=57 Current State: 72:[61, 46, 57], Operations: ['63-6=57'] Exploring Operation: 61-46=15, Resulting Numbers: [57, 15] Generated Node #3: [57, 15] from Operation: 61-46=15 Current State: 72:[57, 15], Operations: ['63-6=57', '61-46=15'] Exploring Operation: 57+15=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[63, 6, 61, 46], Operations: [] Exploring Operation: 6+61=67, Resulting Numbers: [63, 46, 67] Generated Node #0,0: 72:[63, 46, 67] Operation: 6+61=67 Exploring Operation: 63-61=2, Resulting Numbers: [6, 46, 2] Generated Node #0,1: 72:[6, 46, 2] Operation: 63-61=2 Exploring Operation: 63+6=69, Resulting Numbers: [61, 46, 69] Generated Node #0,2: 72:[61, 46, 69] Operation: 63+6=69 Exploring Operation: 61-46=15, Resulting Numbers: [63, 6, 15] Generated Node #0,3: 72:[63, 6, 15] Operation: 61-46=15 Exploring Operation: 63-46=17, Resulting Numbers: [6, 61, 17] Generated Node #0,4: 72:[6, 61, 17] Operation: 63-46=17 Moving to Node #0,1 Current State: 72:[6, 46, 2], Operations: ['63-61=2'] Exploring Operation: 46/2=23, Resulting Numbers: [6, 23] Generated Node #0,1,0: 72:[6, 23] Operation: 46/2=23 Exploring Operation: 6+2=8, Resulting Numbers: [46, 8] Generated Node #0,1,1: 72:[46, 8] Operation: 6+2=8 Exploring Operation: 46-2=44, Resulting Numbers: [6, 44] Generated Node #0,1,2: 72:[6, 44] Operation: 46-2=44 Exploring Operation: 6*2=12, Resulting Numbers: [46, 12] Generated Node #0,1,3: 72:[46, 12] Operation: 6*2=12 Exploring Operation: 46-6=40, Resulting Numbers: [2, 40] Generated Node #0,1,4: 72:[2, 40] Operation: 46-6=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[6, 23], Operations: ['63-61=2', '46/2=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,72 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,72 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 #0,1,4 Current State: 72:[2, 40], Operations: ['63-61=2', '46-6=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,72 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 #0,1,2 Current State: 72:[6, 44], Operations: ['63-61=2', '46-2=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,72 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 #0,1,1 Current State: 72:[46, 8], Operations: ['63-61=2', '6+2=8'] Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,72 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 #0,1,3 Current State: 72:[46, 12], Operations: ['63-61=2', '6*2=12'] Exploring Operation: 46*12=552, Resulting Numbers: [552] 552,72 unequal: No Solution Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,72 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,72 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: 72:[6, 61, 17], Operations: ['63-46=17'] Exploring Operation: 61-17=44, Resulting Numbers: [6, 44] Generated Node #0,4,0: 72:[6, 44] Operation: 61-17=44 Exploring Operation: 6+61=67, Resulting Numbers: [17, 67] Generated Node #0,4,1: 72:[17, 67] Operation: 6+61=67 Exploring Operation: 61+17=78, Resulting Numbers: [6, 78] Generated Node #0,4,2: 72:[6, 78] Operation: 61+17=78 Exploring Operation: 6+17=23, Resulting Numbers: [61, 23] Generated Node #0,4,3: 72:[61, 23] Operation: 6+17=23 Exploring Operation: 17-6=11, Resulting Numbers: [61, 11] Generated Node #0,4,4: 72:[61, 11] Operation: 17-6=11 Moving to Node #0,3 Current State: 72:[63, 6, 15], Operations: ['61-46=15'] Exploring Operation: 6+15=21, Resulting Numbers: [63, 21] Generated Node #0,3,0: 72:[63, 21] Operation: 6+15=21 Exploring Operation: 63-15=48, Resulting Numbers: [6, 48] Generated Node #0,3,1: 72:[6, 48] Operation: 63-15=48 Exploring Operation: 63+6=69, Resulting Numbers: [15, 69] Generated Node #0,3,2: 72:[15, 69] Operation: 63+6=69 Exploring Operation: 63+15=78, Resulting Numbers: [6, 78] Generated Node #0,3,3: 72:[6, 78] Operation: 63+15=78 Exploring Operation: 15-6=9, Resulting Numbers: [63, 9] Generated Node #0,3,4: 72:[63, 9] Operation: 15-6=9 Moving to Node #0,0 Current State: 72:[63, 46, 67], Operations: ['6+61=67'] Exploring Operation: 67-46=21, Resulting Numbers: [63, 21] Generated Node #0,0,0: 72:[63, 21] Operation: 67-46=21 Exploring Operation: 63-46=17, Resulting Numbers: [67, 17] Generated Node #0,0,1: 72:[67, 17] Operation: 63-46=17 Exploring Operation: 67-63=4, Resulting Numbers: [46, 4] Generated Node #0,0,2: 72:[46, 4] Operation: 67-63=4 Exploring Operation: 63+46=109, Resulting Numbers: [67, 109] Generated Node #0,0,3: 72:[67, 109] Operation: 63+46=109 Exploring Operation: 46+67=113, Resulting Numbers: [63, 113] Generated Node #0,0,4: 72:[63, 113] Operation: 46+67=113 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[67, 17], Operations: ['6+61=67', '63-46=17'] Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,72 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[46, 4], Operations: ['6+61=67', '67-63=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[63, 21], Operations: ['6+61=67', '67-46=21'] Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[67, 109], Operations: ['6+61=67', '63+46=109'] Exploring Operation: 109-67=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 67+109=176, Resulting Numbers: [176] 176,72 unequal: No Solution Exploring Operation: 67*109=7303, Resulting Numbers: [7303] 7303,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 72:[63, 113], Operations: ['6+61=67', '46+67=113'] Exploring Operation: 113-63=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 63*113=7119, Resulting Numbers: [7119] 7119,72 unequal: No Solution Exploring Operation: 63+113=176, Resulting Numbers: [176] 176,72 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: 72:[61, 46, 69], Operations: ['63+6=69'] Exploring Operation: 69-61=8, Resulting Numbers: [46, 8] Generated Node #0,2,0: 72:[46, 8] Operation: 69-61=8 Exploring Operation: 61-46=15, Resulting Numbers: [69, 15] Generated Node #0,2,1: 72:[69, 15] Operation: 61-46=15 Exploring Operation: 69-46=23, Resulting Numbers: [61, 23] Generated Node #0,2,2: 72:[61, 23] Operation: 69-46=23 Exploring Operation: 46+69=115, Resulting Numbers: [61, 115] Generated Node #0,2,3: 72:[61, 115] Operation: 46+69=115 Exploring Operation: 61+46=107, Resulting Numbers: [69, 107] Generated Node #0,2,4: 72:[69, 107] Operation: 61+46=107 Moving to Node #0,4,1 Current State: 72:[17, 67], Operations: ['63-46=17', '6+61=67'] Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 17*67=1139, Resulting Numbers: [1139] 1139,72 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[15, 69], Operations: ['61-46=15', '63+6=69'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 15*69=1035, Resulting Numbers: [1035] 1035,72 unequal: No Solution Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[6, 78], Operations: ['61-46=15', '63+15=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 6*78=468, Resulting Numbers: [468] 468,72 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[63, 6, 61, 46], Operations: [] Exploring Operation: 61-46=15, Resulting Numbers: [63, 6, 15] Generated Node #0,3: 72:[63, 6, 15] Operation: 61-46=15 Moving to Node #0,3 Current State: 72:[63, 6, 15], Operations: ['61-46=15'] Exploring Operation: 63+15=78, Resulting Numbers: [6, 78] Generated Node #0,3,3: 72:[6, 78] Operation: 63+15=78 Moving to Node #0,3,3 Current State: 72:[6, 78], Operations: ['61-46=15', '63+15=78'] Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.934028
hs_5
mult_heuristic
[ 9, 4, 71, 62 ]
27
[ "9*4=36", "71-62=9", "36-9=27" ]
Current State: 27:[9, 4, 71, 62], Operations: [] Exploring Operation: 9*4=36, Resulting Numbers: [71, 62, 36] Generated Node #2: [71, 62, 36] from Operation: 9*4=36 Current State: 27:[71, 62, 36], Operations: ['9*4=36'] Exploring Operation: 71-62=9, Resulting Numbers: [36, 9] Generated Node #3: [36, 9] from Operation: 71-62=9 Current State: 27:[36, 9], Operations: ['9*4=36', '71-62=9'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[9, 4, 71, 62], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [9, 4, 9] Generated Node #0,0: 27:[9, 4, 9] Operation: 71-62=9 Moving to Node #0,0 Current State: 27:[9, 4, 9], Operations: ['71-62=9'] Exploring Operation: 9-4=5, Resulting Numbers: [9, 5] Generated Node #0,0,0: 27:[9, 5] Operation: 9-4=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[9, 5], Operations: ['71-62=9', '9-4=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,27 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
[ 14, 80, 33, 25 ]
32
[ "33-25=8", "14*8=112", "112-80=32" ]
Current State: 32:[14, 80, 33, 25], Operations: [] Exploring Operation: 33-25=8, Resulting Numbers: [14, 80, 8] Generated Node #2: [14, 80, 8] from Operation: 33-25=8 Current State: 32:[14, 80, 8], Operations: ['33-25=8'] Exploring Operation: 14*8=112, Resulting Numbers: [80, 112] Generated Node #3: [80, 112] from Operation: 14*8=112 Current State: 32:[80, 112], Operations: ['33-25=8', '14*8=112'] Exploring Operation: 112-80=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[14, 80, 33, 25], Operations: [] Exploring Operation: 80-33=47, Resulting Numbers: [14, 25, 47] Generated Node #0,0: 32:[14, 25, 47] Operation: 80-33=47 Exploring Operation: 80-25=55, Resulting Numbers: [14, 33, 55] Generated Node #0,1: 32:[14, 33, 55] Operation: 80-25=55 Moving to Node #0,0 Current State: 32:[14, 25, 47], Operations: ['80-33=47'] Exploring Operation: 47-14=33, Resulting Numbers: [25, 33] Generated Node #0,0,0: 32:[25, 33] Operation: 47-14=33 Exploring Operation: 47-25=22, Resulting Numbers: [14, 22] Generated Node #0,0,1: 32:[14, 22] Operation: 47-25=22 Moving to Node #0,1 Current State: 32:[14, 33, 55], Operations: ['80-25=55'] Exploring Operation: 55-14=41, Resulting Numbers: [33, 41] Generated Node #0,1,0: 32:[33, 41] Operation: 55-14=41 Exploring Operation: 55-33=22, Resulting Numbers: [14, 22] Generated Node #0,1,1: 32:[14, 22] Operation: 55-33=22 Moving to Node #0,0,0 Current State: 32:[25, 33], Operations: ['80-33=47', '47-14=33'] Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[14, 22], Operations: ['80-25=55', '55-33=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[14, 22], Operations: ['80-33=47', '47-25=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[33, 41], Operations: ['80-25=55', '55-14=41'] Exploring Operation: 33+41=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 93, 14, 9, 96 ]
41
[ "96-93=3", "9*3=27", "14+27=41" ]
Current State: 41:[93, 14, 9, 96], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [14, 9, 3] Generated Node #2: [14, 9, 3] from Operation: 96-93=3 Current State: 41:[14, 9, 3], Operations: ['96-93=3'] Exploring Operation: 9*3=27, Resulting Numbers: [14, 27] Generated Node #3: [14, 27] from Operation: 9*3=27 Current State: 41:[14, 27], Operations: ['96-93=3', '9*3=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[93, 14, 9, 96], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [14, 9, 3] Generated Node #0,0: 41:[14, 9, 3] Operation: 96-93=3 Moving to Node #0,0 Current State: 41:[14, 9, 3], Operations: ['96-93=3'] Exploring Operation: 14*3=42, Resulting Numbers: [9, 42] Generated Node #0,0,0: 41:[9, 42] Operation: 14*3=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[9, 42], Operations: ['96-93=3', '14*3=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 55, 83, 59 ]
77
[ "55-2=53", "83-59=24", "53+24=77" ]
Current State: 77:[2, 55, 83, 59], Operations: [] Exploring Operation: 55-2=53, Resulting Numbers: [83, 59, 53] Generated Node #2: [83, 59, 53] from Operation: 55-2=53 Current State: 77:[83, 59, 53], Operations: ['55-2=53'] Exploring Operation: 83-59=24, Resulting Numbers: [53, 24] Generated Node #3: [53, 24] from Operation: 83-59=24 Current State: 77:[53, 24], Operations: ['55-2=53', '83-59=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[2, 55, 83, 59], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [2, 83, 4] Generated Node #0,0: 77:[2, 83, 4] Operation: 59-55=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[2, 83, 4], Operations: ['59-55=4'] Exploring Operation: 83-2=81, Resulting Numbers: [4, 81] Generated Node #0,0,0: 77:[4, 81] Operation: 83-2=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[4, 81], Operations: ['59-55=4', '83-2=81'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[2, 55, 83, 59], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [2, 83, 4] Generated Node #0,0: 77:[2, 83, 4] Operation: 59-55=4 Moving to Node #0,0 Current State: 77:[2, 83, 4], Operations: ['59-55=4'] Exploring Operation: 83-2=81, Resulting Numbers: [4, 81] Generated Node #0,0,0: 77:[4, 81] Operation: 83-2=81 Moving to Node #0,0,0 Current State: 77:[4, 81], Operations: ['59-55=4', '83-2=81'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 49, 3, 10, 60 ]
63
[ "49-10=39", "60-39=21", "3*21=63" ]
Current State: 63:[49, 3, 10, 60], Operations: [] Exploring Operation: 49-10=39, Resulting Numbers: [3, 60, 39] Generated Node #2: [3, 60, 39] from Operation: 49-10=39 Current State: 63:[3, 60, 39], Operations: ['49-10=39'] Exploring Operation: 60-39=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 60-39=21 Current State: 63:[3, 21], Operations: ['49-10=39', '60-39=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[49, 3, 10, 60], Operations: [] Exploring Operation: 49+10=59, Resulting Numbers: [3, 60, 59] Generated Node #0,0: 63:[3, 60, 59] Operation: 49+10=59 Exploring Operation: 49+3=52, Resulting Numbers: [10, 60, 52] Generated Node #0,1: 63:[10, 60, 52] Operation: 49+3=52 Exploring Operation: 60-49=11, Resulting Numbers: [3, 10, 11] Generated Node #0,2: 63:[3, 10, 11] Operation: 60-49=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[3, 10, 11], Operations: ['60-49=11'] Exploring Operation: 11-3=8, Resulting Numbers: [10, 8] Generated Node #0,2,0: 63:[10, 8] Operation: 11-3=8 Exploring Operation: 10-3=7, Resulting Numbers: [11, 7] Generated Node #0,2,1: 63:[11, 7] Operation: 10-3=7 Exploring Operation: 10+11=21, Resulting Numbers: [3, 21] Generated Node #0,2,2: 63:[3, 21] Operation: 10+11=21 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[3, 21], Operations: ['60-49=11', '10+11=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[49, 3, 10, 60], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [3, 10, 11] Generated Node #0,2: 63:[3, 10, 11] Operation: 60-49=11 Moving to Node #0,2 Current State: 63:[3, 10, 11], Operations: ['60-49=11'] Exploring Operation: 10+11=21, Resulting Numbers: [3, 21] Generated Node #0,2,2: 63:[3, 21] Operation: 10+11=21 Moving to Node #0,2,2 Current State: 63:[3, 21], Operations: ['60-49=11', '10+11=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 42, 11, 26, 11 ]
69
[ "42+26=68", "11/11=1", "68+1=69" ]
Current State: 69:[42, 11, 26, 11], Operations: [] Exploring Operation: 42+26=68, Resulting Numbers: [11, 11, 68] Generated Node #2: [11, 11, 68] from Operation: 42+26=68 Current State: 69:[11, 11, 68], Operations: ['42+26=68'] Exploring Operation: 11/11=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 11/11=1 Current State: 69:[68, 1], Operations: ['42+26=68', '11/11=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[42, 11, 26, 11], Operations: [] Exploring Operation: 42+26=68, Resulting Numbers: [11, 11, 68] Generated Node #0,0: 69:[11, 11, 68] Operation: 42+26=68 Exploring Operation: 42-11=31, Resulting Numbers: [26, 11, 31] Generated Node #0,1: 69:[26, 11, 31] Operation: 42-11=31 Moving to Node #0,0 Current State: 69:[11, 11, 68], Operations: ['42+26=68'] Exploring Operation: 11+11=22, Resulting Numbers: [68, 22] Generated Node #0,0,0: 69:[68, 22] Operation: 11+11=22 Exploring Operation: 11/11=1, Resulting Numbers: [68, 1] Generated Node #0,0,1: 69:[68, 1] Operation: 11/11=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[68, 22], Operations: ['42+26=68', '11+11=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,69 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 #0,0,1 Current State: 69:[68, 1], Operations: ['42+26=68', '11/11=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[42, 11, 26, 11], Operations: [] Exploring Operation: 42+26=68, Resulting Numbers: [11, 11, 68] Generated Node #0,0: 69:[11, 11, 68] Operation: 42+26=68 Moving to Node #0,0 Current State: 69:[11, 11, 68], Operations: ['42+26=68'] Exploring Operation: 11/11=1, Resulting Numbers: [68, 1] Generated Node #0,0,1: 69:[68, 1] Operation: 11/11=1 Moving to Node #0,0,1 Current State: 69:[68, 1], Operations: ['42+26=68', '11/11=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 21, 96, 2, 57 ]
30
[ "21+96=117", "117-57=60", "60/2=30" ]
Current State: 30:[21, 96, 2, 57], Operations: [] Exploring Operation: 21+96=117, Resulting Numbers: [2, 57, 117] Generated Node #2: [2, 57, 117] from Operation: 21+96=117 Current State: 30:[2, 57, 117], Operations: ['21+96=117'] Exploring Operation: 117-57=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 117-57=60 Current State: 30:[2, 60], Operations: ['21+96=117', '117-57=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[21, 96, 2, 57], Operations: [] Exploring Operation: 96-57=39, Resulting Numbers: [21, 2, 39] Generated Node #0,0: 30:[21, 2, 39] Operation: 96-57=39 Moving to Node #0,0 Current State: 30:[21, 2, 39], Operations: ['96-57=39'] Exploring Operation: 39-21=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 30:[2, 18] Operation: 39-21=18 Moving to Node #0,0,0 Current State: 30:[2, 18], Operations: ['96-57=39', '39-21=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 25, 79, 29, 61 ]
86
[ "79-25=54", "61-29=32", "54+32=86" ]
Current State: 86:[25, 79, 29, 61], Operations: [] Exploring Operation: 79-25=54, Resulting Numbers: [29, 61, 54] Generated Node #2: [29, 61, 54] from Operation: 79-25=54 Current State: 86:[29, 61, 54], Operations: ['79-25=54'] Exploring Operation: 61-29=32, Resulting Numbers: [54, 32] Generated Node #3: [54, 32] from Operation: 61-29=32 Current State: 86:[54, 32], Operations: ['79-25=54', '61-29=32'] Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[25, 79, 29, 61], Operations: [] Exploring Operation: 61-25=36, Resulting Numbers: [79, 29, 36] Generated Node #0,0: 86:[79, 29, 36] Operation: 61-25=36 Exploring Operation: 29-25=4, Resulting Numbers: [79, 61, 4] Generated Node #0,1: 86:[79, 61, 4] Operation: 29-25=4 Exploring Operation: 25+61=86, Resulting Numbers: [79, 29, 86] Generated Node #0,2: 86:[79, 29, 86] Operation: 25+61=86 Moving to Node #0,2 Current State: 86:[79, 29, 86], Operations: ['25+61=86'] Exploring Operation: 86-29=57, Resulting Numbers: [79, 57] Generated Node #0,2,0: 86:[79, 57] Operation: 86-29=57 Exploring Operation: 79-29=50, Resulting Numbers: [86, 50] Generated Node #0,2,1: 86:[86, 50] Operation: 79-29=50 Exploring Operation: 86-79=7, Resulting Numbers: [29, 7] Generated Node #0,2,2: 86:[29, 7] Operation: 86-79=7 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[86, 50], Operations: ['25+61=86', '79-29=50'] Exploring Operation: 86+50=136, Resulting Numbers: [136] 136,86 unequal: No Solution Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 86*50=4300, Resulting Numbers: [4300] 4300,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[29, 7], Operations: ['25+61=86', '86-79=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,86 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[79, 57], Operations: ['25+61=86', '86-29=57'] Exploring Operation: 79+57=136, Resulting Numbers: [136] 136,86 unequal: No Solution Exploring Operation: 79*57=4503, Resulting Numbers: [4503] 4503,86 unequal: No Solution Exploring Operation: 79-57=22, Resulting Numbers: [22] 22,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 86:[79, 61, 4], Operations: ['29-25=4'] Exploring Operation: 61-4=57, Resulting Numbers: [79, 57] Generated Node #0,1,0: 86:[79, 57] Operation: 61-4=57 Exploring Operation: 79-61=18, Resulting Numbers: [4, 18] Generated Node #0,1,1: 86:[4, 18] Operation: 79-61=18 Exploring Operation: 79+4=83, Resulting Numbers: [61, 83] Generated Node #0,1,2: 86:[61, 83] Operation: 79+4=83 Moving to Node #0,0 Current State: 86:[79, 29, 36], Operations: ['61-25=36'] Exploring Operation: 79-36=43, Resulting Numbers: [29, 43] Generated Node #0,0,0: 86:[29, 43] Operation: 79-36=43 Exploring Operation: 36-29=7, Resulting Numbers: [79, 7] Generated Node #0,0,1: 86:[79, 7] Operation: 36-29=7 Exploring Operation: 79-29=50, Resulting Numbers: [36, 50] Generated Node #0,0,2: 86:[36, 50] Operation: 79-29=50 Moving to Node #0,0,1 Current State: 86:[79, 7], Operations: ['61-25=36', '36-29=7'] Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,86 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[25, 79, 29, 61], Operations: [] Exploring Operation: 61-25=36, Resulting Numbers: [79, 29, 36] Generated Node #0,0: 86:[79, 29, 36] Operation: 61-25=36 Moving to Node #0,0 Current State: 86:[79, 29, 36], Operations: ['61-25=36'] Exploring Operation: 36-29=7, Resulting Numbers: [79, 7] Generated Node #0,0,1: 86:[79, 7] Operation: 36-29=7 Moving to Node #0,0,1 Current State: 86:[79, 7], Operations: ['61-25=36', '36-29=7'] Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 1, 52, 66, 49 ]
36
[ "1+52=53", "66-49=17", "53-17=36" ]
Current State: 36:[1, 52, 66, 49], Operations: [] Exploring Operation: 1+52=53, Resulting Numbers: [66, 49, 53] Generated Node #2: [66, 49, 53] from Operation: 1+52=53 Current State: 36:[66, 49, 53], Operations: ['1+52=53'] Exploring Operation: 66-49=17, Resulting Numbers: [53, 17] Generated Node #3: [53, 17] from Operation: 66-49=17 Current State: 36:[53, 17], Operations: ['1+52=53', '66-49=17'] Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[1, 52, 66, 49], Operations: [] Exploring Operation: 66-52=14, Resulting Numbers: [1, 49, 14] Generated Node #0,0: 36:[1, 49, 14] Operation: 66-52=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[1, 49, 14], Operations: ['66-52=14'] Exploring Operation: 49-14=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 36:[1, 35] Operation: 49-14=35 Moving to Node #0,0,0 Current State: 36:[1, 35], Operations: ['66-52=14', '49-14=35'] Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[1, 52, 66, 49], Operations: [] Exploring Operation: 66-52=14, Resulting Numbers: [1, 49, 14] Generated Node #0,0: 36:[1, 49, 14] Operation: 66-52=14 Moving to Node #0,0 Current State: 36:[1, 49, 14], Operations: ['66-52=14'] Exploring Operation: 49-14=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 36:[1, 35] Operation: 49-14=35 Moving to Node #0,0,0 Current State: 36:[1, 35], Operations: ['66-52=14', '49-14=35'] Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 66, 83, 41, 68 ]
21
[ "68-66=2", "83-41=42", "42/2=21" ]
Current State: 21:[66, 83, 41, 68], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [83, 41, 2] Generated Node #2: [83, 41, 2] from Operation: 68-66=2 Current State: 21:[83, 41, 2], Operations: ['68-66=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #3: [2, 42] from Operation: 83-41=42 Current State: 21:[2, 42], Operations: ['68-66=2', '83-41=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[66, 83, 41, 68], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [41, 68, 17] Generated Node #0,0: 21:[41, 68, 17] Operation: 83-66=17 Exploring Operation: 83-68=15, Resulting Numbers: [66, 41, 15] Generated Node #0,1: 21:[66, 41, 15] Operation: 83-68=15 Exploring Operation: 68-66=2, Resulting Numbers: [83, 41, 2] Generated Node #0,2: 21:[83, 41, 2] Operation: 68-66=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[41, 68, 17], Operations: ['83-66=17'] Exploring Operation: 68/17=4, Resulting Numbers: [41, 4] Generated Node #0,0,0: 21:[41, 4] Operation: 68/17=4 Exploring Operation: 41-17=24, Resulting Numbers: [68, 24] Generated Node #0,0,1: 21:[68, 24] Operation: 41-17=24 Exploring Operation: 68-41=27, Resulting Numbers: [17, 27] Generated Node #0,0,2: 21:[17, 27] Operation: 68-41=27 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[17, 27], Operations: ['83-66=17', '68-41=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,21 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[41, 4], Operations: ['83-66=17', '68/17=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,21 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[68, 24], Operations: ['83-66=17', '41-17=24'] Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,21 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[66, 41, 15], Operations: ['83-68=15'] Exploring Operation: 66-15=51, Resulting Numbers: [41, 51] Generated Node #0,1,0: 21:[41, 51] Operation: 66-15=51 Exploring Operation: 66-41=25, Resulting Numbers: [15, 25] Generated Node #0,1,1: 21:[15, 25] Operation: 66-41=25 Exploring Operation: 41-15=26, Resulting Numbers: [66, 26] Generated Node #0,1,2: 21:[66, 26] Operation: 41-15=26 Moving to Node #0,1,1 Current State: 21:[15, 25], Operations: ['83-68=15', '66-41=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,21 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[41, 51], Operations: ['83-68=15', '66-15=51'] Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,21 unequal: No Solution Exploring Operation: 41*51=2091, Resulting Numbers: [2091] 2091,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[66, 26], Operations: ['83-68=15', '41-15=26'] Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 66+26=92, Resulting Numbers: [92] 92,21 unequal: No Solution Exploring Operation: 66*26=1716, Resulting Numbers: [1716] 1716,21 unequal: No Solution No 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: 21:[83, 41, 2], Operations: ['68-66=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 21:[2, 42] Operation: 83-41=42 Exploring Operation: 83-2=81, Resulting Numbers: [41, 81] Generated Node #0,2,1: 21:[41, 81] Operation: 83-2=81 Exploring Operation: 41-2=39, Resulting Numbers: [83, 39] Generated Node #0,2,2: 21:[83, 39] Operation: 41-2=39 Moving to Node #0,2,0 Current State: 21:[2, 42], Operations: ['68-66=2', '83-41=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[66, 83, 41, 68], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [83, 41, 2] Generated Node #0,2: 21:[83, 41, 2] Operation: 68-66=2 Moving to Node #0,2 Current State: 21:[83, 41, 2], Operations: ['68-66=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 21:[2, 42] Operation: 83-41=42 Moving to Node #0,2,0 Current State: 21:[2, 42], Operations: ['68-66=2', '83-41=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 35, 89, 21, 11 ]
45
[ "89+21=110", "110/11=10", "35+10=45" ]
Current State: 45:[35, 89, 21, 11], Operations: [] Exploring Operation: 89+21=110, Resulting Numbers: [35, 11, 110] Generated Node #2: [35, 11, 110] from Operation: 89+21=110 Current State: 45:[35, 11, 110], Operations: ['89+21=110'] Exploring Operation: 110/11=10, Resulting Numbers: [35, 10] Generated Node #3: [35, 10] from Operation: 110/11=10 Current State: 45:[35, 10], Operations: ['89+21=110', '110/11=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[35, 89, 21, 11], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [21, 11, 54] Generated Node #0,0: 45:[21, 11, 54] Operation: 89-35=54 Exploring Operation: 35-21=14, Resulting Numbers: [89, 11, 14] Generated Node #0,1: 45:[89, 11, 14] Operation: 35-21=14 Exploring Operation: 89-11=78, Resulting Numbers: [35, 21, 78] Generated Node #0,2: 45:[35, 21, 78] Operation: 89-11=78 Exploring Operation: 89-21=68, Resulting Numbers: [35, 11, 68] Generated Node #0,3: 45:[35, 11, 68] Operation: 89-21=68 Moving to Node #0,0 Current State: 45:[21, 11, 54], Operations: ['89-35=54'] Exploring Operation: 54-11=43, Resulting Numbers: [21, 43] Generated Node #0,0,0: 45:[21, 43] Operation: 54-11=43 Exploring Operation: 21-11=10, Resulting Numbers: [54, 10] Generated Node #0,0,1: 45:[54, 10] Operation: 21-11=10 Exploring Operation: 54-21=33, Resulting Numbers: [11, 33] Generated Node #0,0,2: 45:[11, 33] Operation: 54-21=33 Exploring Operation: 21+11=32, Resulting Numbers: [54, 32] Generated Node #0,0,3: 45:[54, 32] Operation: 21+11=32 Moving to Node #0,3 Current State: 45:[35, 11, 68], Operations: ['89-21=68'] Exploring Operation: 35+11=46, Resulting Numbers: [68, 46] Generated Node #0,3,0: 45:[68, 46] Operation: 35+11=46 Exploring Operation: 35-11=24, Resulting Numbers: [68, 24] Generated Node #0,3,1: 45:[68, 24] Operation: 35-11=24 Exploring Operation: 68-35=33, Resulting Numbers: [11, 33] Generated Node #0,3,2: 45:[11, 33] Operation: 68-35=33 Exploring Operation: 68-11=57, Resulting Numbers: [35, 57] Generated Node #0,3,3: 45:[35, 57] Operation: 68-11=57 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[11, 33], Operations: ['89-21=68', '68-35=33'] Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,45 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[35, 57], Operations: ['89-21=68', '68-11=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,45 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 45:[68, 46], Operations: ['89-21=68', '35+11=46'] Exploring Operation: 68*46=3128, Resulting Numbers: [3128] 3128,45 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 68+46=114, Resulting Numbers: [114] 114,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 45:[68, 24], Operations: ['89-21=68', '35-11=24'] Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,45 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,45 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: 45:[89, 11, 14], Operations: ['35-21=14'] Exploring Operation: 11+14=25, Resulting Numbers: [89, 25] Generated Node #0,1,0: 45:[89, 25] Operation: 11+14=25 Exploring Operation: 89-11=78, Resulting Numbers: [14, 78] Generated Node #0,1,1: 45:[14, 78] Operation: 89-11=78 Exploring Operation: 14-11=3, Resulting Numbers: [89, 3] Generated Node #0,1,2: 45:[89, 3] Operation: 14-11=3 Exploring Operation: 89-14=75, Resulting Numbers: [11, 75] Generated Node #0,1,3: 45:[11, 75] Operation: 89-14=75 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 45:[11, 75], Operations: ['35-21=14', '89-14=75'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 11+75=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 11*75=825, Resulting Numbers: [825] 825,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[14, 78], Operations: ['35-21=14', '89-11=78'] Exploring Operation: 14+78=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 14*78=1092, Resulting Numbers: [1092] 1092,45 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[89, 3], Operations: ['35-21=14', '14-11=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 89*3=267, Resulting Numbers: [267] 267,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[89, 25], Operations: ['35-21=14', '11+14=25'] Exploring Operation: 89+25=114, Resulting Numbers: [114] 114,45 unequal: No Solution Exploring Operation: 89*25=2225, Resulting Numbers: [2225] 2225,45 unequal: No Solution Exploring Operation: 89-25=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 45:[35, 21, 78], Operations: ['89-11=78'] Exploring Operation: 78-21=57, Resulting Numbers: [35, 57] Generated Node #0,2,0: 45:[35, 57] Operation: 78-21=57 Exploring Operation: 78-35=43, Resulting Numbers: [21, 43] Generated Node #0,2,1: 45:[21, 43] Operation: 78-35=43 Exploring Operation: 35-21=14, Resulting Numbers: [78, 14] Generated Node #0,2,2: 45:[78, 14] Operation: 35-21=14 Exploring Operation: 35+21=56, Resulting Numbers: [78, 56] Generated Node #0,2,3: 45:[78, 56] Operation: 35+21=56 Moving to Node #0,0,0 Current State: 45:[21, 43], Operations: ['89-35=54', '54-11=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[21, 43], Operations: ['89-11=78', '78-35=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[54, 10], Operations: ['89-35=54', '21-11=10'] Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 54*10=540, Resulting Numbers: [540] 540,45 unequal: No Solution Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[11, 33], Operations: ['89-35=54', '54-21=33'] Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,45 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[35, 57], Operations: ['89-11=78', '78-21=57'] Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,45 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[54, 32], Operations: ['89-35=54', '21+11=32'] Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,45 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[78, 14], Operations: ['89-11=78', '35-21=14'] Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,45 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[78, 56], Operations: ['89-11=78', '35+21=56'] Exploring Operation: 78*56=4368, Resulting Numbers: [4368] 4368,45 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 78+56=134, Resulting Numbers: [134] 134,45 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 9, 15, 81, 73 ]
49
[ "81/9=9", "73-15=58", "58-9=49" ]
Current State: 49:[9, 15, 81, 73], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [15, 73, 9] Generated Node #2: [15, 73, 9] from Operation: 81/9=9 Current State: 49:[15, 73, 9], Operations: ['81/9=9'] Exploring Operation: 73-15=58, Resulting Numbers: [9, 58] Generated Node #3: [9, 58] from Operation: 73-15=58 Current State: 49:[9, 58], Operations: ['81/9=9', '73-15=58'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[9, 15, 81, 73], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [9, 15, 8] Generated Node #0,0: 49:[9, 15, 8] Operation: 81-73=8 Exploring Operation: 81-15=66, Resulting Numbers: [9, 73, 66] Generated Node #0,1: 49:[9, 73, 66] Operation: 81-15=66 Exploring Operation: 81/9=9, Resulting Numbers: [15, 73, 9] Generated Node #0,2: 49:[15, 73, 9] Operation: 81/9=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[9, 15, 8], Operations: ['81-73=8'] Exploring Operation: 9-8=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 49:[15, 1] Operation: 9-8=1 Exploring Operation: 15-8=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 49:[9, 7] Operation: 15-8=7 Exploring Operation: 15-9=6, Resulting Numbers: [8, 6] Generated Node #0,0,2: 49:[8, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[9, 7], Operations: ['81-73=8', '15-8=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,49 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:[8, 6], Operations: ['81-73=8', '15-9=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,49 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:[15, 1], Operations: ['81-73=8', '9-8=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,49 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 #0,2 Current State: 49:[15, 73, 9], Operations: ['81/9=9'] Exploring Operation: 73-15=58, Resulting Numbers: [9, 58] Generated Node #0,2,0: 49:[9, 58] Operation: 73-15=58 Exploring Operation: 73-9=64, Resulting Numbers: [15, 64] Generated Node #0,2,1: 49:[15, 64] Operation: 73-9=64 Exploring Operation: 15-9=6, Resulting Numbers: [73, 6] Generated Node #0,2,2: 49:[73, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 49:[9, 58], Operations: ['81/9=9', '73-15=58'] Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,49 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[9, 15, 81, 73], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [15, 73, 9] Generated Node #0,2: 49:[15, 73, 9] Operation: 81/9=9 Moving to Node #0,2 Current State: 49:[15, 73, 9], Operations: ['81/9=9'] Exploring Operation: 73-15=58, Resulting Numbers: [9, 58] Generated Node #0,2,0: 49:[9, 58] Operation: 73-15=58 Moving to Node #0,2,0 Current State: 49:[9, 58], Operations: ['81/9=9', '73-15=58'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 21, 75, 32, 56 ]
34
[ "75-21=54", "32+56=88", "88-54=34" ]
Current State: 34:[21, 75, 32, 56], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [32, 56, 54] Generated Node #2: [32, 56, 54] from Operation: 75-21=54 Current State: 34:[32, 56, 54], Operations: ['75-21=54'] Exploring Operation: 32+56=88, Resulting Numbers: [54, 88] Generated Node #3: [54, 88] from Operation: 32+56=88 Current State: 34:[54, 88], Operations: ['75-21=54', '32+56=88'] Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[21, 75, 32, 56], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [21, 32, 19] Generated Node #0,0: 34:[21, 32, 19] Operation: 75-56=19 Exploring Operation: 75-32=43, Resulting Numbers: [21, 56, 43] Generated Node #0,1: 34:[21, 56, 43] Operation: 75-32=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[21, 32, 19], Operations: ['75-56=19'] Exploring Operation: 32-21=11, Resulting Numbers: [19, 11] Generated Node #0,0,0: 34:[19, 11] Operation: 32-21=11 Exploring Operation: 21-19=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 34:[32, 2] Operation: 21-19=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[32, 2], Operations: ['75-56=19', '21-19=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[21, 75, 32, 56], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [21, 32, 19] Generated Node #0,0: 34:[21, 32, 19] Operation: 75-56=19 Moving to Node #0,0 Current State: 34:[21, 32, 19], Operations: ['75-56=19'] Exploring Operation: 21-19=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 34:[32, 2] Operation: 21-19=2 Moving to Node #0,0,1 Current State: 34:[32, 2], Operations: ['75-56=19', '21-19=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 4, 40, 95, 48 ]
37
[ "40/4=10", "95-48=47", "47-10=37" ]
Current State: 37:[4, 40, 95, 48], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [95, 48, 10] Generated Node #2: [95, 48, 10] from Operation: 40/4=10 Current State: 37:[95, 48, 10], Operations: ['40/4=10'] Exploring Operation: 95-48=47, Resulting Numbers: [10, 47] Generated Node #3: [10, 47] from Operation: 95-48=47 Current State: 37:[10, 47], Operations: ['40/4=10', '95-48=47'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[4, 40, 95, 48], Operations: [] Exploring Operation: 95-48=47, Resulting Numbers: [4, 40, 47] Generated Node #0,0: 37:[4, 40, 47] Operation: 95-48=47 Exploring Operation: 95-4=91, Resulting Numbers: [40, 48, 91] Generated Node #0,1: 37:[40, 48, 91] Operation: 95-4=91 Exploring Operation: 95-40=55, Resulting Numbers: [4, 48, 55] Generated Node #0,2: 37:[4, 48, 55] Operation: 95-40=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[4, 40, 47], Operations: ['95-48=47'] Exploring Operation: 47-4=43, Resulting Numbers: [40, 43] Generated Node #0,0,0: 37:[40, 43] Operation: 47-4=43 Exploring Operation: 4+40=44, Resulting Numbers: [47, 44] Generated Node #0,0,1: 37:[47, 44] Operation: 4+40=44 Exploring Operation: 40-4=36, Resulting Numbers: [47, 36] Generated Node #0,0,2: 37:[47, 36] Operation: 40-4=36 Moving to Node #0,0,0 Current State: 37:[40, 43], Operations: ['95-48=47', '47-4=43'] Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,37 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[47, 36], Operations: ['95-48=47', '40-4=36'] Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[47, 44], Operations: ['95-48=47', '4+40=44'] Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,37 unequal: No Solution Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,37 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[4, 48, 55], Operations: ['95-40=55'] Exploring Operation: 4+48=52, Resulting Numbers: [55, 52] Generated Node #0,2,0: 37:[55, 52] Operation: 4+48=52 Exploring Operation: 55-4=51, Resulting Numbers: [48, 51] Generated Node #0,2,1: 37:[48, 51] Operation: 55-4=51 Exploring Operation: 48-4=44, Resulting Numbers: [55, 44] Generated Node #0,2,2: 37:[55, 44] Operation: 48-4=44 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[48, 51], Operations: ['95-40=55', '55-4=51'] Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,37 unequal: No Solution No 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: 37:[55, 44], Operations: ['95-40=55', '48-4=44'] Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 55*44=2420, Resulting Numbers: [2420] 2420,37 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,37 unequal: No Solution No 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: 37:[55, 52], Operations: ['95-40=55', '4+48=52'] Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,37 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,37 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,37 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: 37:[40, 48, 91], Operations: ['95-4=91'] Exploring Operation: 48-40=8, Resulting Numbers: [91, 8] Generated Node #0,1,0: 37:[91, 8] Operation: 48-40=8 Exploring Operation: 91-40=51, Resulting Numbers: [48, 51] Generated Node #0,1,1: 37:[48, 51] Operation: 91-40=51 Exploring Operation: 91-48=43, Resulting Numbers: [40, 43] Generated Node #0,1,2: 37:[40, 43] Operation: 91-48=43 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[40, 43], Operations: ['95-4=91', '91-48=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,37 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,37 unequal: No Solution No 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: 37:[48, 51], Operations: ['95-4=91', '91-40=51'] Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,37 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,37 unequal: No Solution No 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: 37:[91, 8], Operations: ['95-4=91', '48-40=8'] Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,37 unequal: No Solution Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,37 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
[ 81, 14, 65, 10 ]
40
[ "81+14=95", "65-10=55", "95-55=40" ]
Current State: 40:[81, 14, 65, 10], Operations: [] Exploring Operation: 81+14=95, Resulting Numbers: [65, 10, 95] Generated Node #2: [65, 10, 95] from Operation: 81+14=95 Current State: 40:[65, 10, 95], Operations: ['81+14=95'] Exploring Operation: 65-10=55, Resulting Numbers: [95, 55] Generated Node #3: [95, 55] from Operation: 65-10=55 Current State: 40:[95, 55], Operations: ['81+14=95', '65-10=55'] Exploring Operation: 95-55=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[81, 14, 65, 10], Operations: [] Exploring Operation: 81-14=67, Resulting Numbers: [65, 10, 67] Generated Node #0,0: 40:[65, 10, 67] Operation: 81-14=67 Exploring Operation: 81-10=71, Resulting Numbers: [14, 65, 71] Generated Node #0,1: 40:[14, 65, 71] Operation: 81-10=71 Exploring Operation: 81-65=16, Resulting Numbers: [14, 10, 16] Generated Node #0,2: 40:[14, 10, 16] Operation: 81-65=16 Exploring Operation: 65-14=51, Resulting Numbers: [81, 10, 51] Generated Node #0,3: 40:[81, 10, 51] Operation: 65-14=51 Moving to Node #0,2 Current State: 40:[14, 10, 16], Operations: ['81-65=16'] Exploring Operation: 14+10=24, Resulting Numbers: [16, 24] Generated Node #0,2,0: 40:[16, 24] Operation: 14+10=24 Exploring Operation: 16-10=6, Resulting Numbers: [14, 6] Generated Node #0,2,1: 40:[14, 6] Operation: 16-10=6 Exploring Operation: 16-14=2, Resulting Numbers: [10, 2] Generated Node #0,2,2: 40:[10, 2] Operation: 16-14=2 Exploring Operation: 14-10=4, Resulting Numbers: [16, 4] Generated Node #0,2,3: 40:[16, 4] Operation: 14-10=4 Moving to Node #0,3 Current State: 40:[81, 10, 51], Operations: ['65-14=51'] Exploring Operation: 81-51=30, Resulting Numbers: [10, 30] Generated Node #0,3,0: 40:[10, 30] Operation: 81-51=30 Exploring Operation: 51-10=41, Resulting Numbers: [81, 41] Generated Node #0,3,1: 40:[81, 41] Operation: 51-10=41 Exploring Operation: 81-10=71, Resulting Numbers: [51, 71] Generated Node #0,3,2: 40:[51, 71] Operation: 81-10=71 Exploring Operation: 81+10=91, Resulting Numbers: [51, 91] Generated Node #0,3,3: 40:[51, 91] Operation: 81+10=91 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 40:[10, 30], Operations: ['65-14=51', '81-51=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,40 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[81, 14, 65, 10], Operations: [] Exploring Operation: 65-14=51, Resulting Numbers: [81, 10, 51] Generated Node #0,3: 40:[81, 10, 51] Operation: 65-14=51 Moving to Node #0,3 Current State: 40:[81, 10, 51], Operations: ['65-14=51'] Exploring Operation: 81-51=30, Resulting Numbers: [10, 30] Generated Node #0,3,0: 40:[10, 30] Operation: 81-51=30 Moving to Node #0,3,0 Current State: 40:[10, 30], Operations: ['65-14=51', '81-51=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 36, 45, 74, 44 ]
38
[ "74-36=38", "45-44=1", "38*1=38" ]
Current State: 38:[36, 45, 74, 44], Operations: [] Exploring Operation: 74-36=38, Resulting Numbers: [45, 44, 38] Generated Node #2: [45, 44, 38] from Operation: 74-36=38 Current State: 38:[45, 44, 38], Operations: ['74-36=38'] Exploring Operation: 45-44=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 45-44=1 Current State: 38:[38, 1], Operations: ['74-36=38', '45-44=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[36, 45, 74, 44], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [36, 74, 1] Generated Node #0,0: 38:[36, 74, 1] Operation: 45-44=1 Exploring Operation: 74-45=29, Resulting Numbers: [36, 44, 29] Generated Node #0,1: 38:[36, 44, 29] Operation: 74-45=29 Exploring Operation: 74-36=38, Resulting Numbers: [45, 44, 38] Generated Node #0,2: 38:[45, 44, 38] Operation: 74-36=38 Exploring Operation: 45-36=9, Resulting Numbers: [74, 44, 9] Generated Node #0,3: 38:[74, 44, 9] Operation: 45-36=9 Exploring Operation: 74-44=30, Resulting Numbers: [36, 45, 30] Generated Node #0,4: 38:[36, 45, 30] Operation: 74-44=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[45, 44, 38], Operations: ['74-36=38'] Exploring Operation: 45+38=83, Resulting Numbers: [44, 83] Generated Node #0,2,0: 38:[44, 83] Operation: 45+38=83 Exploring Operation: 45-38=7, Resulting Numbers: [44, 7] Generated Node #0,2,1: 38:[44, 7] Operation: 45-38=7 Exploring Operation: 44-38=6, Resulting Numbers: [45, 6] Generated Node #0,2,2: 38:[45, 6] Operation: 44-38=6 Exploring Operation: 45+44=89, Resulting Numbers: [38, 89] Generated Node #0,2,3: 38:[38, 89] Operation: 45+44=89 Exploring Operation: 45-44=1, Resulting Numbers: [38, 1] Generated Node #0,2,4: 38:[38, 1] Operation: 45-44=1 Moving to Node #0,2,4 Current State: 38:[38, 1], Operations: ['74-36=38', '45-44=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[36, 45, 74, 44], Operations: [] Exploring Operation: 74-36=38, Resulting Numbers: [45, 44, 38] Generated Node #0,2: 38:[45, 44, 38] Operation: 74-36=38 Moving to Node #0,2 Current State: 38:[45, 44, 38], Operations: ['74-36=38'] Exploring Operation: 45-44=1, Resulting Numbers: [38, 1] Generated Node #0,2,4: 38:[38, 1] Operation: 45-44=1 Moving to Node #0,2,4 Current State: 38:[38, 1], Operations: ['74-36=38', '45-44=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 72, 55, 21, 3 ]
35
[ "72-55=17", "21-3=18", "17+18=35" ]
Current State: 35:[72, 55, 21, 3], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [21, 3, 17] Generated Node #2: [21, 3, 17] from Operation: 72-55=17 Current State: 35:[21, 3, 17], Operations: ['72-55=17'] Exploring Operation: 21-3=18, Resulting Numbers: [17, 18] Generated Node #3: [17, 18] from Operation: 21-3=18 Current State: 35:[17, 18], Operations: ['72-55=17', '21-3=18'] Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[72, 55, 21, 3], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [21, 3, 17] Generated Node #0,0: 35:[21, 3, 17] Operation: 72-55=17 Moving to Node #0,0 Current State: 35:[21, 3, 17], Operations: ['72-55=17'] Exploring Operation: 21-17=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 35:[3, 4] Operation: 21-17=4 Moving to Node #0,0,0 Current State: 35:[3, 4], Operations: ['72-55=17', '21-17=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 62, 63, 56, 19 ]
88
[ "62+63=125", "56-19=37", "125-37=88" ]
Current State: 88:[62, 63, 56, 19], Operations: [] Exploring Operation: 62+63=125, Resulting Numbers: [56, 19, 125] Generated Node #2: [56, 19, 125] from Operation: 62+63=125 Current State: 88:[56, 19, 125], Operations: ['62+63=125'] Exploring Operation: 56-19=37, Resulting Numbers: [125, 37] Generated Node #3: [125, 37] from Operation: 56-19=37 Current State: 88:[125, 37], Operations: ['62+63=125', '56-19=37'] Exploring Operation: 125-37=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[62, 63, 56, 19], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [62, 19, 7] Generated Node #0,0: 88:[62, 19, 7] Operation: 63-56=7 Exploring Operation: 63-62=1, Resulting Numbers: [56, 19, 1] Generated Node #0,1: 88:[56, 19, 1] Operation: 63-62=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[56, 19, 1], Operations: ['63-62=1'] Exploring Operation: 56-19=37, Resulting Numbers: [1, 37] Generated Node #0,1,0: 88:[1, 37] Operation: 56-19=37 Exploring Operation: 56+19=75, Resulting Numbers: [1, 75] Generated Node #0,1,1: 88:[1, 75] Operation: 56+19=75 Moving to Node #0,1,0 Current State: 88:[1, 37], Operations: ['63-62=1', '56-19=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[1, 75], Operations: ['63-62=1', '56+19=75'] Exploring Operation: 1*75=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 1+75=76, Resulting Numbers: [76] 76,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[62, 19, 7], Operations: ['63-56=7'] Exploring Operation: 62-19=43, Resulting Numbers: [7, 43] Generated Node #0,0,0: 88:[7, 43] Operation: 62-19=43 Exploring Operation: 62+19=81, Resulting Numbers: [7, 81] Generated Node #0,0,1: 88:[7, 81] Operation: 62+19=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[7, 43], Operations: ['63-56=7', '62-19=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,88 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[7, 81], Operations: ['63-56=7', '62+19=81'] Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[62, 63, 56, 19], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [62, 19, 7] Generated Node #0,0: 88:[62, 19, 7] Operation: 63-56=7 Moving to Node #0,0 Current State: 88:[62, 19, 7], Operations: ['63-56=7'] Exploring Operation: 62+19=81, Resulting Numbers: [7, 81] Generated Node #0,0,1: 88:[7, 81] Operation: 62+19=81 Moving to Node #0,0,1 Current State: 88:[7, 81], Operations: ['63-56=7', '62+19=81'] Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 83, 35, 85, 10 ]
23
[ "83+35=118", "85+10=95", "118-95=23" ]
Current State: 23:[83, 35, 85, 10], Operations: [] Exploring Operation: 83+35=118, Resulting Numbers: [85, 10, 118] Generated Node #2: [85, 10, 118] from Operation: 83+35=118 Current State: 23:[85, 10, 118], Operations: ['83+35=118'] Exploring Operation: 85+10=95, Resulting Numbers: [118, 95] Generated Node #3: [118, 95] from Operation: 85+10=95 Current State: 23:[118, 95], Operations: ['83+35=118', '85+10=95'] Exploring Operation: 118-95=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[83, 35, 85, 10], Operations: [] Exploring Operation: 85-35=50, Resulting Numbers: [83, 10, 50] Generated Node #0,0: 23:[83, 10, 50] Operation: 85-35=50 Exploring Operation: 85-83=2, Resulting Numbers: [35, 10, 2] Generated Node #0,1: 23:[35, 10, 2] Operation: 85-83=2 Exploring Operation: 83-35=48, Resulting Numbers: [85, 10, 48] Generated Node #0,2: 23:[85, 10, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[35, 10, 2], Operations: ['85-83=2'] Exploring Operation: 35-10=25, Resulting Numbers: [2, 25] Generated Node #0,1,0: 23:[2, 25] Operation: 35-10=25 Exploring Operation: 10*2=20, Resulting Numbers: [35, 20] Generated Node #0,1,1: 23:[35, 20] Operation: 10*2=20 Exploring Operation: 35-2=33, Resulting Numbers: [10, 33] Generated Node #0,1,2: 23:[10, 33] Operation: 35-2=33 Moving to Node #0,1,1 Current State: 23:[35, 20], Operations: ['85-83=2', '10*2=20'] Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,23 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[2, 25], Operations: ['85-83=2', '35-10=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[83, 35, 85, 10], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [35, 10, 2] Generated Node #0,1: 23:[35, 10, 2] Operation: 85-83=2 Moving to Node #0,1 Current State: 23:[35, 10, 2], Operations: ['85-83=2'] Exploring Operation: 35-10=25, Resulting Numbers: [2, 25] Generated Node #0,1,0: 23:[2, 25] Operation: 35-10=25 Moving to Node #0,1,0 Current State: 23:[2, 25], Operations: ['85-83=2', '35-10=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 62, 41, 90, 31 ]
44
[ "62+41=103", "90-31=59", "103-59=44" ]
Current State: 44:[62, 41, 90, 31], Operations: [] Exploring Operation: 62+41=103, Resulting Numbers: [90, 31, 103] Generated Node #2: [90, 31, 103] from Operation: 62+41=103 Current State: 44:[90, 31, 103], Operations: ['62+41=103'] Exploring Operation: 90-31=59, Resulting Numbers: [103, 59] Generated Node #3: [103, 59] from Operation: 90-31=59 Current State: 44:[103, 59], Operations: ['62+41=103', '90-31=59'] Exploring Operation: 103-59=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[62, 41, 90, 31], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [41, 90, 2] Generated Node #0,0: 44:[41, 90, 2] Operation: 62/31=2 Exploring Operation: 90-62=28, Resulting Numbers: [41, 31, 28] Generated Node #0,1: 44:[41, 31, 28] Operation: 90-62=28 Exploring Operation: 90-31=59, Resulting Numbers: [62, 41, 59] Generated Node #0,2: 44:[62, 41, 59] Operation: 90-31=59 Exploring Operation: 90-41=49, Resulting Numbers: [62, 31, 49] Generated Node #0,3: 44:[62, 31, 49] Operation: 90-41=49 Moving to Node #0,1 Current State: 44:[41, 31, 28], Operations: ['90-62=28'] Exploring Operation: 31+28=59, Resulting Numbers: [41, 59] Generated Node #0,1,0: 44:[41, 59] Operation: 31+28=59 Exploring Operation: 31-28=3, Resulting Numbers: [41, 3] Generated Node #0,1,1: 44:[41, 3] Operation: 31-28=3 Exploring Operation: 41-28=13, Resulting Numbers: [31, 13] Generated Node #0,1,2: 44:[31, 13] Operation: 41-28=13 Exploring Operation: 41-31=10, Resulting Numbers: [28, 10] Generated Node #0,1,3: 44:[28, 10] Operation: 41-31=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[41, 3], Operations: ['90-62=28', '31-28=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,44 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[62, 41, 90, 31], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [41, 31, 28] Generated Node #0,1: 44:[41, 31, 28] Operation: 90-62=28 Moving to Node #0,1 Current State: 44:[41, 31, 28], Operations: ['90-62=28'] Exploring Operation: 31-28=3, Resulting Numbers: [41, 3] Generated Node #0,1,1: 44:[41, 3] Operation: 31-28=3 Moving to Node #0,1,1 Current State: 44:[41, 3], Operations: ['90-62=28', '31-28=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 56, 8, 46, 9 ]
23
[ "56/8=7", "9-7=2", "46/2=23" ]
Current State: 23:[56, 8, 46, 9], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [46, 9, 7] Generated Node #2: [46, 9, 7] from Operation: 56/8=7 Current State: 23:[46, 9, 7], Operations: ['56/8=7'] Exploring Operation: 9-7=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 9-7=2 Current State: 23:[46, 2], Operations: ['56/8=7', '9-7=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[56, 8, 46, 9], Operations: [] Exploring Operation: 56-9=47, Resulting Numbers: [8, 46, 47] Generated Node #0,0: 23:[8, 46, 47] Operation: 56-9=47 Exploring Operation: 56-8=48, Resulting Numbers: [46, 9, 48] Generated Node #0,1: 23:[46, 9, 48] Operation: 56-8=48 Exploring Operation: 56-46=10, Resulting Numbers: [8, 9, 10] Generated Node #0,2: 23:[8, 9, 10] Operation: 56-46=10 Exploring Operation: 56/8=7, Resulting Numbers: [46, 9, 7] Generated Node #0,3: 23:[46, 9, 7] Operation: 56/8=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[8, 9, 10], Operations: ['56-46=10'] Exploring Operation: 8+10=18, Resulting Numbers: [9, 18] Generated Node #0,2,0: 23:[9, 18] Operation: 8+10=18 Exploring Operation: 9+10=19, Resulting Numbers: [8, 19] Generated Node #0,2,1: 23:[8, 19] Operation: 9+10=19 Exploring Operation: 9-8=1, Resulting Numbers: [10, 1] Generated Node #0,2,2: 23:[10, 1] Operation: 9-8=1 Exploring Operation: 8+9=17, Resulting Numbers: [10, 17] Generated Node #0,2,3: 23:[10, 17] Operation: 8+9=17 Moving to Node #0,2,0 Current State: 23:[9, 18], Operations: ['56-46=10', '8+10=18'] Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,23 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[10, 17], Operations: ['56-46=10', '8+9=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[8, 19], Operations: ['56-46=10', '9+10=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[10, 1], Operations: ['56-46=10', '9-8=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,23 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 Current State: 23:[46, 9, 7], Operations: ['56/8=7'] Exploring Operation: 46+7=53, Resulting Numbers: [9, 53] Generated Node #0,3,0: 23:[9, 53] Operation: 46+7=53 Exploring Operation: 9+7=16, Resulting Numbers: [46, 16] Generated Node #0,3,1: 23:[46, 16] Operation: 9+7=16 Exploring Operation: 46-9=37, Resulting Numbers: [7, 37] Generated Node #0,3,2: 23:[7, 37] Operation: 46-9=37 Exploring Operation: 46-7=39, Resulting Numbers: [9, 39] Generated Node #0,3,3: 23:[9, 39] Operation: 46-7=39 Moving to Node #0,3,1 Current State: 23:[46, 16], Operations: ['56/8=7', '9+7=16'] Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,23 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[9, 39], Operations: ['56/8=7', '46-7=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,23 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[7, 37], Operations: ['56/8=7', '46-9=37'] Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,23 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[9, 53], Operations: ['56/8=7', '46+7=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,23 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 Current State: 23:[8, 46, 47], Operations: ['56-9=47'] Exploring Operation: 46-8=38, Resulting Numbers: [47, 38] Generated Node #0,0,0: 23:[47, 38] Operation: 46-8=38 Exploring Operation: 8+46=54, Resulting Numbers: [47, 54] Generated Node #0,0,1: 23:[47, 54] Operation: 8+46=54 Exploring Operation: 47-8=39, Resulting Numbers: [46, 39] Generated Node #0,0,2: 23:[46, 39] Operation: 47-8=39 Exploring Operation: 47-46=1, Resulting Numbers: [8, 1] Generated Node #0,0,3: 23:[8, 1] Operation: 47-46=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[8, 1], Operations: ['56-9=47', '47-46=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[47, 38], Operations: ['56-9=47', '46-8=38'] Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,23 unequal: No Solution Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[46, 39], Operations: ['56-9=47', '47-8=39'] Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,23 unequal: No Solution Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,23 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[47, 54], Operations: ['56-9=47', '8+46=54'] Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,23 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[46, 9, 48], Operations: ['56-8=48'] Exploring Operation: 46+9=55, Resulting Numbers: [48, 55] Generated Node #0,1,0: 23:[48, 55] Operation: 46+9=55 Exploring Operation: 48-46=2, Resulting Numbers: [9, 2] Generated Node #0,1,1: 23:[9, 2] Operation: 48-46=2 Exploring Operation: 48-9=39, Resulting Numbers: [46, 39] Generated Node #0,1,2: 23:[46, 39] Operation: 48-9=39 Exploring Operation: 46-9=37, Resulting Numbers: [48, 37] Generated Node #0,1,3: 23:[48, 37] Operation: 46-9=37 Moving to Node #0,1,1 Current State: 23:[9, 2], Operations: ['56-8=48', '48-46=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[48, 37], Operations: ['56-8=48', '46-9=37'] Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,23 unequal: No Solution Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,23 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[46, 39], Operations: ['56-8=48', '48-9=39'] Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,23 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[48, 55], Operations: ['56-8=48', '46+9=55'] Exploring Operation: 48*55=2640, Resulting Numbers: [2640] 2640,23 unequal: No Solution Exploring Operation: 48+55=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,23 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
[ 93, 17, 79, 66 ]
89
[ "93-17=76", "79-66=13", "76+13=89" ]
Current State: 89:[93, 17, 79, 66], Operations: [] Exploring Operation: 93-17=76, Resulting Numbers: [79, 66, 76] Generated Node #2: [79, 66, 76] from Operation: 93-17=76 Current State: 89:[79, 66, 76], Operations: ['93-17=76'] Exploring Operation: 79-66=13, Resulting Numbers: [76, 13] Generated Node #3: [76, 13] from Operation: 79-66=13 Current State: 89:[76, 13], Operations: ['93-17=76', '79-66=13'] Exploring Operation: 76+13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[93, 17, 79, 66], Operations: [] Exploring Operation: 17+79=96, Resulting Numbers: [93, 66, 96] Generated Node #0,0: 89:[93, 66, 96] Operation: 17+79=96 Exploring Operation: 93-17=76, Resulting Numbers: [79, 66, 76] Generated Node #0,1: 89:[79, 66, 76] Operation: 93-17=76 Exploring Operation: 93+17=110, Resulting Numbers: [79, 66, 110] Generated Node #0,2: 89:[79, 66, 110] Operation: 93+17=110 Exploring Operation: 79-17=62, Resulting Numbers: [93, 66, 62] Generated Node #0,3: 89:[93, 66, 62] Operation: 79-17=62 Exploring Operation: 17+66=83, Resulting Numbers: [93, 79, 83] Generated Node #0,4: 89:[93, 79, 83] Operation: 17+66=83 Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[93, 79, 83], Operations: ['17+66=83'] Exploring Operation: 93-79=14, Resulting Numbers: [83, 14] Generated Node #0,4,0: 89:[83, 14] Operation: 93-79=14 Exploring Operation: 79+83=162, Resulting Numbers: [93, 162] Generated Node #0,4,1: 89:[93, 162] Operation: 79+83=162 Exploring Operation: 93+79=172, Resulting Numbers: [83, 172] Generated Node #0,4,2: 89:[83, 172] Operation: 93+79=172 Exploring Operation: 93-83=10, Resulting Numbers: [79, 10] Generated Node #0,4,3: 89:[79, 10] Operation: 93-83=10 Exploring Operation: 83-79=4, Resulting Numbers: [93, 4] Generated Node #0,4,4: 89:[93, 4] Operation: 83-79=4 Moving to Node #0,4,1 Current State: 89:[93, 162], Operations: ['17+66=83', '79+83=162'] Exploring Operation: 93*162=15066, Resulting Numbers: [15066] 15066,89 unequal: No Solution Exploring Operation: 93+162=255, Resulting Numbers: [255] 255,89 unequal: No Solution Exploring Operation: 162-93=69, Resulting Numbers: [69] 69,89 unequal: No Solution Moving to Node #0,4,0 Current State: 89:[83, 14], Operations: ['17+66=83', '93-79=14'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,89 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,89 unequal: No Solution Moving to Node #0,4,2 Current State: 89:[83, 172], Operations: ['17+66=83', '93+79=172'] Exploring Operation: 172-83=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[93, 17, 79, 66], Operations: [] Exploring Operation: 17+66=83, Resulting Numbers: [93, 79, 83] Generated Node #0,4: 89:[93, 79, 83] Operation: 17+66=83 Moving to Node #0,4 Current State: 89:[93, 79, 83], Operations: ['17+66=83'] Exploring Operation: 93+79=172, Resulting Numbers: [83, 172] Generated Node #0,4,2: 89:[83, 172] Operation: 93+79=172 Moving to Node #0,4,2 Current State: 89:[83, 172], Operations: ['17+66=83', '93+79=172'] Exploring Operation: 172-83=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 69, 52, 2, 1 ]
85
[ "69*2=138", "52+1=53", "138-53=85" ]
Current State: 85:[69, 52, 2, 1], Operations: [] Exploring Operation: 69*2=138, Resulting Numbers: [52, 1, 138] Generated Node #2: [52, 1, 138] from Operation: 69*2=138 Current State: 85:[52, 1, 138], Operations: ['69*2=138'] Exploring Operation: 52+1=53, Resulting Numbers: [138, 53] Generated Node #3: [138, 53] from Operation: 52+1=53 Current State: 85:[138, 53], Operations: ['69*2=138', '52+1=53'] Exploring Operation: 138-53=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[69, 52, 2, 1], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [2, 1, 17] Generated Node #0,0: 85:[2, 1, 17] Operation: 69-52=17 Moving to Node #0,0 Current State: 85:[2, 1, 17], Operations: ['69-52=17'] Exploring Operation: 2+1=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 85:[17, 3] Operation: 2+1=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[17, 3], Operations: ['69-52=17', '2+1=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 60, 90, 39, 15 ]
49
[ "60+90=150", "150/15=10", "39+10=49" ]
Current State: 49:[60, 90, 39, 15], Operations: [] Exploring Operation: 60+90=150, Resulting Numbers: [39, 15, 150] Generated Node #2: [39, 15, 150] from Operation: 60+90=150 Current State: 49:[39, 15, 150], Operations: ['60+90=150'] Exploring Operation: 150/15=10, Resulting Numbers: [39, 10] Generated Node #3: [39, 10] from Operation: 150/15=10 Current State: 49:[39, 10], Operations: ['60+90=150', '150/15=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[60, 90, 39, 15], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [60, 39, 6] Generated Node #0,0: 49:[60, 39, 6] Operation: 90/15=6 Exploring Operation: 90-15=75, Resulting Numbers: [60, 39, 75] Generated Node #0,1: 49:[60, 39, 75] Operation: 90-15=75 Exploring Operation: 90-39=51, Resulting Numbers: [60, 15, 51] Generated Node #0,2: 49:[60, 15, 51] Operation: 90-39=51 Exploring Operation: 90-60=30, Resulting Numbers: [39, 15, 30] Generated Node #0,3: 49:[39, 15, 30] Operation: 90-60=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[60, 15, 51], Operations: ['90-39=51'] Exploring Operation: 51-15=36, Resulting Numbers: [60, 36] Generated Node #0,2,0: 49:[60, 36] Operation: 51-15=36 Exploring Operation: 60-15=45, Resulting Numbers: [51, 45] Generated Node #0,2,1: 49:[51, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [51, 4] Generated Node #0,2,2: 49:[51, 4] Operation: 60/15=4 Exploring Operation: 60-51=9, Resulting Numbers: [15, 9] Generated Node #0,2,3: 49:[15, 9] Operation: 60-51=9 Moving to Node #0,2,2 Current State: 49:[51, 4], Operations: ['90-39=51', '60/15=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,49 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[51, 45], Operations: ['90-39=51', '60-15=45'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 51*45=2295, Resulting Numbers: [2295] 2295,49 unequal: No Solution Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[15, 9], Operations: ['90-39=51', '60-51=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,49 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[60, 36], Operations: ['90-39=51', '51-15=36'] Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[60, 39, 6], Operations: ['90/15=6'] Exploring Operation: 60/6=10, Resulting Numbers: [39, 10] Generated Node #0,0,0: 49:[39, 10] Operation: 60/6=10 Exploring Operation: 60-39=21, Resulting Numbers: [6, 21] Generated Node #0,0,1: 49:[6, 21] Operation: 60-39=21 Exploring Operation: 60-6=54, Resulting Numbers: [39, 54] Generated Node #0,0,2: 49:[39, 54] Operation: 60-6=54 Exploring Operation: 39+6=45, Resulting Numbers: [60, 45] Generated Node #0,0,3: 49:[60, 45] Operation: 39+6=45 Moving to Node #0,0,0 Current State: 49:[39, 10], Operations: ['90/15=6', '60/6=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[60, 90, 39, 15], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [60, 39, 6] Generated Node #0,0: 49:[60, 39, 6] Operation: 90/15=6 Moving to Node #0,0 Current State: 49:[60, 39, 6], Operations: ['90/15=6'] Exploring Operation: 60/6=10, Resulting Numbers: [39, 10] Generated Node #0,0,0: 49:[39, 10] Operation: 60/6=10 Moving to Node #0,0,0 Current State: 49:[39, 10], Operations: ['90/15=6', '60/6=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 96, 84, 58, 99 ]
23
[ "96+84=180", "58+99=157", "180-157=23" ]
Current State: 23:[96, 84, 58, 99], Operations: [] Exploring Operation: 96+84=180, Resulting Numbers: [58, 99, 180] Generated Node #2: [58, 99, 180] from Operation: 96+84=180 Current State: 23:[58, 99, 180], Operations: ['96+84=180'] Exploring Operation: 58+99=157, Resulting Numbers: [180, 157] Generated Node #3: [180, 157] from Operation: 58+99=157 Current State: 23:[180, 157], Operations: ['96+84=180', '58+99=157'] Exploring Operation: 180-157=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[96, 84, 58, 99], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [58, 99, 12] Generated Node #0,0: 23:[58, 99, 12] Operation: 96-84=12 Exploring Operation: 99-84=15, Resulting Numbers: [96, 58, 15] Generated Node #0,1: 23:[96, 58, 15] Operation: 99-84=15 Exploring Operation: 99-96=3, Resulting Numbers: [84, 58, 3] Generated Node #0,2: 23:[84, 58, 3] Operation: 99-96=3 Moving to Node #0,1 Current State: 23:[96, 58, 15], Operations: ['99-84=15'] Exploring Operation: 58-15=43, Resulting Numbers: [96, 43] Generated Node #0,1,0: 23:[96, 43] Operation: 58-15=43 Exploring Operation: 96-15=81, Resulting Numbers: [58, 81] Generated Node #0,1,1: 23:[58, 81] Operation: 96-15=81 Exploring Operation: 96-58=38, Resulting Numbers: [15, 38] Generated Node #0,1,2: 23:[15, 38] Operation: 96-58=38 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[15, 38], Operations: ['99-84=15', '96-58=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[96, 84, 58, 99], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [96, 58, 15] Generated Node #0,1: 23:[96, 58, 15] Operation: 99-84=15 Moving to Node #0,1 Current State: 23:[96, 58, 15], Operations: ['99-84=15'] Exploring Operation: 96-58=38, Resulting Numbers: [15, 38] Generated Node #0,1,2: 23:[15, 38] Operation: 96-58=38 Moving to Node #0,1,2 Current State: 23:[15, 38], Operations: ['99-84=15', '96-58=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 91, 6, 54, 79 ]
11
[ "91+54=145", "145-79=66", "66/6=11" ]
Current State: 11:[91, 6, 54, 79], Operations: [] Exploring Operation: 91+54=145, Resulting Numbers: [6, 79, 145] Generated Node #2: [6, 79, 145] from Operation: 91+54=145 Current State: 11:[6, 79, 145], Operations: ['91+54=145'] Exploring Operation: 145-79=66, Resulting Numbers: [6, 66] Generated Node #3: [6, 66] from Operation: 145-79=66 Current State: 11:[6, 66], Operations: ['91+54=145', '145-79=66'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[91, 6, 54, 79], Operations: [] Exploring Operation: 91-54=37, Resulting Numbers: [6, 79, 37] Generated Node #0,0: 11:[6, 79, 37] Operation: 91-54=37 Exploring Operation: 79-54=25, Resulting Numbers: [91, 6, 25] Generated Node #0,1: 11:[91, 6, 25] Operation: 79-54=25 Exploring Operation: 91-79=12, Resulting Numbers: [6, 54, 12] Generated Node #0,2: 11:[6, 54, 12] Operation: 91-79=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[6, 54, 12], Operations: ['91-79=12'] Exploring Operation: 54-6=48, Resulting Numbers: [12, 48] Generated Node #0,2,0: 11:[12, 48] Operation: 54-6=48 Exploring Operation: 54-12=42, Resulting Numbers: [6, 42] Generated Node #0,2,1: 11:[6, 42] Operation: 54-12=42 Exploring Operation: 54/6=9, Resulting Numbers: [12, 9] Generated Node #0,2,2: 11:[12, 9] Operation: 54/6=9 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[12, 9], Operations: ['91-79=12', '54/6=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,11 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[6, 42], Operations: ['91-79=12', '54-12=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[12, 48], Operations: ['91-79=12', '54-6=48'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[6, 79, 37], Operations: ['91-54=37'] Exploring Operation: 79-6=73, Resulting Numbers: [37, 73] Generated Node #0,0,0: 11:[37, 73] Operation: 79-6=73 Exploring Operation: 79-37=42, Resulting Numbers: [6, 42] Generated Node #0,0,1: 11:[6, 42] Operation: 79-37=42 Exploring Operation: 37-6=31, Resulting Numbers: [79, 31] Generated Node #0,0,2: 11:[79, 31] Operation: 37-6=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[6, 42], Operations: ['91-54=37', '79-37=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[37, 73], Operations: ['91-54=37', '79-6=73'] Exploring Operation: 73-37=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 37*73=2701, Resulting Numbers: [2701] 2701,11 unequal: No Solution Exploring Operation: 37+73=110, Resulting Numbers: [110] 110,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[79, 31], Operations: ['91-54=37', '37-6=31'] Exploring Operation: 79-31=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 79*31=2449, Resulting Numbers: [2449] 2449,11 unequal: No Solution Exploring Operation: 79+31=110, Resulting Numbers: [110] 110,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[91, 6, 25], Operations: ['79-54=25'] Exploring Operation: 25-6=19, Resulting Numbers: [91, 19] Generated Node #0,1,0: 11:[91, 19] Operation: 25-6=19 Exploring Operation: 91-6=85, Resulting Numbers: [25, 85] Generated Node #0,1,1: 11:[25, 85] Operation: 91-6=85 Exploring Operation: 91-25=66, Resulting Numbers: [6, 66] Generated Node #0,1,2: 11:[6, 66] Operation: 91-25=66 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[6, 66], Operations: ['79-54=25', '91-25=66'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[91, 6, 54, 79], Operations: [] Exploring Operation: 79-54=25, Resulting Numbers: [91, 6, 25] Generated Node #0,1: 11:[91, 6, 25] Operation: 79-54=25 Moving to Node #0,1 Current State: 11:[91, 6, 25], Operations: ['79-54=25'] Exploring Operation: 91-25=66, Resulting Numbers: [6, 66] Generated Node #0,1,2: 11:[6, 66] Operation: 91-25=66 Moving to Node #0,1,2 Current State: 11:[6, 66], Operations: ['79-54=25', '91-25=66'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 66, 34, 61, 88 ]
82
[ "66-61=5", "34*5=170", "170-88=82" ]
Current State: 82:[66, 34, 61, 88], Operations: [] Exploring Operation: 66-61=5, Resulting Numbers: [34, 88, 5] Generated Node #2: [34, 88, 5] from Operation: 66-61=5 Current State: 82:[34, 88, 5], Operations: ['66-61=5'] Exploring Operation: 34*5=170, Resulting Numbers: [88, 170] Generated Node #3: [88, 170] from Operation: 34*5=170 Current State: 82:[88, 170], Operations: ['66-61=5', '34*5=170'] Exploring Operation: 170-88=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[66, 34, 61, 88], Operations: [] Exploring Operation: 88-61=27, Resulting Numbers: [66, 34, 27] Generated Node #0,0: 82:[66, 34, 27] Operation: 88-61=27 Exploring Operation: 66-61=5, Resulting Numbers: [34, 88, 5] Generated Node #0,1: 82:[34, 88, 5] Operation: 66-61=5 Exploring Operation: 66-34=32, Resulting Numbers: [61, 88, 32] Generated Node #0,2: 82:[61, 88, 32] Operation: 66-34=32 Exploring Operation: 61-34=27, Resulting Numbers: [66, 88, 27] Generated Node #0,3: 82:[66, 88, 27] Operation: 61-34=27 Exploring Operation: 34+61=95, Resulting Numbers: [66, 88, 95] Generated Node #0,4: 82:[66, 88, 95] Operation: 34+61=95 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[34, 88, 5], Operations: ['66-61=5'] Exploring Operation: 34-5=29, Resulting Numbers: [88, 29] Generated Node #0,1,0: 82:[88, 29] Operation: 34-5=29 Exploring Operation: 34+5=39, Resulting Numbers: [88, 39] Generated Node #0,1,1: 82:[88, 39] Operation: 34+5=39 Exploring Operation: 88-34=54, Resulting Numbers: [5, 54] Generated Node #0,1,2: 82:[5, 54] Operation: 88-34=54 Exploring Operation: 88+5=93, Resulting Numbers: [34, 93] Generated Node #0,1,3: 82:[34, 93] Operation: 88+5=93 Exploring Operation: 88-5=83, Resulting Numbers: [34, 83] Generated Node #0,1,4: 82:[34, 83] Operation: 88-5=83 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[88, 39], Operations: ['66-61=5', '34+5=39'] Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,82 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 82:[34, 83], Operations: ['66-61=5', '88-5=83'] Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 34+83=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 34*83=2822, Resulting Numbers: [2822] 2822,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 82:[5, 54], Operations: ['66-61=5', '88-34=54'] Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,82 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[88, 29], Operations: ['66-61=5', '34-5=29'] Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,82 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 82:[34, 93], Operations: ['66-61=5', '88+5=93'] Exploring Operation: 34*93=3162, Resulting Numbers: [3162] 3162,82 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 34+93=127, Resulting Numbers: [127] 127,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[61, 88, 32], Operations: ['66-34=32'] Exploring Operation: 88-32=56, Resulting Numbers: [61, 56] Generated Node #0,2,0: 82:[61, 56] Operation: 88-32=56 Exploring Operation: 61-32=29, Resulting Numbers: [88, 29] Generated Node #0,2,1: 82:[88, 29] Operation: 61-32=29 Exploring Operation: 88-61=27, Resulting Numbers: [32, 27] Generated Node #0,2,2: 82:[32, 27] Operation: 88-61=27 Exploring Operation: 88+32=120, Resulting Numbers: [61, 120] Generated Node #0,2,3: 82:[61, 120] Operation: 88+32=120 Exploring Operation: 61+32=93, Resulting Numbers: [88, 93] Generated Node #0,2,4: 82:[88, 93] Operation: 61+32=93 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 82:[88, 93], Operations: ['66-34=32', '61+32=93'] Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,82 unequal: No Solution Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,82 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[88, 29], Operations: ['66-34=32', '61-32=29'] Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[32, 27], Operations: ['66-34=32', '88-61=27'] Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,82 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[61, 56], Operations: ['66-34=32', '88-32=56'] Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,82 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[61, 120], Operations: ['66-34=32', '88+32=120'] Exploring Operation: 61*120=7320, Resulting Numbers: [7320] 7320,82 unequal: No Solution Exploring Operation: 61+120=181, Resulting Numbers: [181] 181,82 unequal: No Solution Exploring Operation: 120-61=59, Resulting Numbers: [59] 59,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 82:[66, 88, 95], Operations: ['34+61=95'] Exploring Operation: 88-66=22, Resulting Numbers: [95, 22] Generated Node #0,4,0: 82:[95, 22] Operation: 88-66=22 Exploring Operation: 95-66=29, Resulting Numbers: [88, 29] Generated Node #0,4,1: 82:[88, 29] Operation: 95-66=29 Exploring Operation: 66+95=161, Resulting Numbers: [88, 161] Generated Node #0,4,2: 82:[88, 161] Operation: 66+95=161 Exploring Operation: 66+88=154, Resulting Numbers: [95, 154] Generated Node #0,4,3: 82:[95, 154] Operation: 66+88=154 Exploring Operation: 95-88=7, Resulting Numbers: [66, 7] Generated Node #0,4,4: 82:[66, 7] Operation: 95-88=7 Moving to Node #0,4,1 Current State: 82:[88, 29], Operations: ['34+61=95', '95-66=29'] Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,82 unequal: No Solution Moving to Node #0,4,4 Current State: 82:[66, 7], Operations: ['34+61=95', '95-88=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,82 unequal: No Solution Moving to Node #0,4,0 Current State: 82:[95, 22], Operations: ['34+61=95', '88-66=22'] Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 95+22=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 95*22=2090, Resulting Numbers: [2090] 2090,82 unequal: No Solution Moving to Node #0,4,2 Current State: 82:[88, 161], Operations: ['34+61=95', '66+95=161'] Exploring Operation: 88+161=249, Resulting Numbers: [249] 249,82 unequal: No Solution Exploring Operation: 88*161=14168, Resulting Numbers: [14168] 14168,82 unequal: No Solution Exploring Operation: 161-88=73, Resulting Numbers: [73] 73,82 unequal: No Solution Moving to Node #0,4,3 Current State: 82:[95, 154], Operations: ['34+61=95', '66+88=154'] Exploring Operation: 95*154=14630, Resulting Numbers: [14630] 14630,82 unequal: No Solution Exploring Operation: 154-95=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 95+154=249, Resulting Numbers: [249] 249,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[66, 88, 27], Operations: ['61-34=27'] Exploring Operation: 88-66=22, Resulting Numbers: [27, 22] Generated Node #0,3,0: 82:[27, 22] Operation: 88-66=22 Exploring Operation: 88-27=61, Resulting Numbers: [66, 61] Generated Node #0,3,1: 82:[66, 61] Operation: 88-27=61 Exploring Operation: 66+27=93, Resulting Numbers: [88, 93] Generated Node #0,3,2: 82:[88, 93] Operation: 66+27=93 Exploring Operation: 66-27=39, Resulting Numbers: [88, 39] Generated Node #0,3,3: 82:[88, 39] Operation: 66-27=39 Exploring Operation: 88+27=115, Resulting Numbers: [66, 115] Generated Node #0,3,4: 82:[66, 115] Operation: 88+27=115 Moving to Node #0,3,3 Current State: 82:[88, 39], Operations: ['61-34=27', '66-27=39'] Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,82 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,82 unequal: No Solution Moving to Node #0,3,2 Current State: 82:[88, 93], Operations: ['61-34=27', '66+27=93'] Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,82 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,82 unequal: No Solution Moving to Node #0,3,0 Current State: 82:[27, 22], Operations: ['61-34=27', '88-66=22'] Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,82 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,82 unequal: No Solution Moving to Node #0,3,1 Current State: 82:[66, 61], Operations: ['61-34=27', '88-27=61'] Exploring Operation: 66+61=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 66-61=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 66*61=4026, Resulting Numbers: [4026] 4026,82 unequal: No Solution Moving to Node #0,3,4 Current State: 82:[66, 115], Operations: ['61-34=27', '88+27=115'] Exploring Operation: 66+115=181, Resulting Numbers: [181] 181,82 unequal: No Solution Exploring Operation: 115-66=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 66*115=7590, Resulting Numbers: [7590] 7590,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[66, 34, 27], Operations: ['88-61=27'] Exploring Operation: 34-27=7, Resulting Numbers: [66, 7] Generated Node #0,0,0: 82:[66, 7] Operation: 34-27=7 Exploring Operation: 66+34=100, Resulting Numbers: [27, 100] Generated Node #0,0,1: 82:[27, 100] Operation: 66+34=100 Exploring Operation: 66-34=32, Resulting Numbers: [27, 32] Generated Node #0,0,2: 82:[27, 32] Operation: 66-34=32 Exploring Operation: 66-27=39, Resulting Numbers: [34, 39] Generated Node #0,0,3: 82:[34, 39] Operation: 66-27=39 Exploring Operation: 66+27=93, Resulting Numbers: [34, 93] Generated Node #0,0,4: 82:[34, 93] Operation: 66+27=93 Moving to Node #0,0,3 Current State: 82:[34, 39], Operations: ['88-61=27', '66-27=39'] Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,82 unequal: No Solution Moving to Node #0,0,4 Current State: 82:[34, 93], Operations: ['88-61=27', '66+27=93'] Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 34+93=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 34*93=3162, Resulting Numbers: [3162] 3162,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[66, 7], Operations: ['88-61=27', '34-27=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[27, 32], Operations: ['88-61=27', '66-34=32'] Exploring Operation: 27*32=864, Resulting Numbers: [864] 864,82 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[27, 100], Operations: ['88-61=27', '66+34=100'] Exploring Operation: 100-27=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 27*100=2700, Resulting Numbers: [2700] 2700,82 unequal: No Solution Exploring Operation: 27+100=127, Resulting Numbers: [127] 127,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 26, 32, 58, 19 ]
56
[ "32-26=6", "19*6=114", "114-58=56" ]
Current State: 56:[26, 32, 58, 19], Operations: [] Exploring Operation: 32-26=6, Resulting Numbers: [58, 19, 6] Generated Node #2: [58, 19, 6] from Operation: 32-26=6 Current State: 56:[58, 19, 6], Operations: ['32-26=6'] Exploring Operation: 19*6=114, Resulting Numbers: [58, 114] Generated Node #3: [58, 114] from Operation: 19*6=114 Current State: 56:[58, 114], Operations: ['32-26=6', '19*6=114'] Exploring Operation: 114-58=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[26, 32, 58, 19], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [26, 58, 13] Generated Node #0,0: 56:[26, 58, 13] Operation: 32-19=13 Exploring Operation: 26-19=7, Resulting Numbers: [32, 58, 7] Generated Node #0,1: 56:[32, 58, 7] Operation: 26-19=7 Moving to Node #0,0 Current State: 56:[26, 58, 13], Operations: ['32-19=13'] Exploring Operation: 26/13=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 56:[58, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [58, 13] Generated Node #0,0,1: 56:[58, 13] Operation: 26-13=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[58, 2], Operations: ['32-19=13', '26/13=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[26, 32, 58, 19], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [26, 58, 13] Generated Node #0,0: 56:[26, 58, 13] Operation: 32-19=13 Moving to Node #0,0 Current State: 56:[26, 58, 13], Operations: ['32-19=13'] Exploring Operation: 26/13=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 56:[58, 2] Operation: 26/13=2 Moving to Node #0,0,0 Current State: 56:[58, 2], Operations: ['32-19=13', '26/13=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 60, 2, 12, 24 ]
31
[ "60+2=62", "24/12=2", "62/2=31" ]
Current State: 31:[60, 2, 12, 24], Operations: [] Exploring Operation: 60+2=62, Resulting Numbers: [12, 24, 62] Generated Node #2: [12, 24, 62] from Operation: 60+2=62 Current State: 31:[12, 24, 62], Operations: ['60+2=62'] Exploring Operation: 24/12=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 24/12=2 Current State: 31:[62, 2], Operations: ['60+2=62', '24/12=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[60, 2, 12, 24], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [12, 24, 30] Generated Node #0,0: 31:[12, 24, 30] Operation: 60/2=30 Exploring Operation: 2*12=24, Resulting Numbers: [60, 24, 24] Generated Node #0,1: 31:[60, 24, 24] Operation: 2*12=24 Moving to Node #0,0 Current State: 31:[12, 24, 30], Operations: ['60/2=30'] Exploring Operation: 12+30=42, Resulting Numbers: [24, 42] Generated Node #0,0,0: 31:[24, 42] Operation: 12+30=42 Exploring Operation: 12+24=36, Resulting Numbers: [30, 36] Generated Node #0,0,1: 31:[30, 36] Operation: 12+24=36 Moving to Node #0,1 Current State: 31:[60, 24, 24], Operations: ['2*12=24'] Exploring Operation: 60-24=36, Resulting Numbers: [24, 36] Generated Node #0,1,0: 31:[24, 36] Operation: 60-24=36 Exploring Operation: 60-24=36, Resulting Numbers: [24, 36] Generated Node #0,1,1: 31:[24, 36] Operation: 60-24=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[24, 36], Operations: ['2*12=24', '60-24=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[24, 36], Operations: ['2*12=24', '60-24=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,31 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: 31:[30, 36], Operations: ['60/2=30', '12+24=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[24, 42], Operations: ['60/2=30', '12+30=42'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,31 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 96, 25, 9, 90 ]
40
[ "96+25=121", "90-9=81", "121-81=40" ]
Current State: 40:[96, 25, 9, 90], Operations: [] Exploring Operation: 96+25=121, Resulting Numbers: [9, 90, 121] Generated Node #2: [9, 90, 121] from Operation: 96+25=121 Current State: 40:[9, 90, 121], Operations: ['96+25=121'] Exploring Operation: 90-9=81, Resulting Numbers: [121, 81] Generated Node #3: [121, 81] from Operation: 90-9=81 Current State: 40:[121, 81], Operations: ['96+25=121', '90-9=81'] Exploring Operation: 121-81=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[96, 25, 9, 90], Operations: [] Exploring Operation: 96-25=71, Resulting Numbers: [9, 90, 71] Generated Node #0,0: 40:[9, 90, 71] Operation: 96-25=71 Exploring Operation: 96-90=6, Resulting Numbers: [25, 9, 6] Generated Node #0,1: 40:[25, 9, 6] Operation: 96-90=6 Exploring Operation: 90-25=65, Resulting Numbers: [96, 9, 65] Generated Node #0,2: 40:[96, 9, 65] Operation: 90-25=65 Exploring Operation: 90/9=10, Resulting Numbers: [96, 25, 10] Generated Node #0,3: 40:[96, 25, 10] Operation: 90/9=10 Moving to Node #0,1 Current State: 40:[25, 9, 6], Operations: ['96-90=6'] Exploring Operation: 25-9=16, Resulting Numbers: [6, 16] Generated Node #0,1,0: 40:[6, 16] Operation: 25-9=16 Exploring Operation: 25+9=34, Resulting Numbers: [6, 34] Generated Node #0,1,1: 40:[6, 34] Operation: 25+9=34 Exploring Operation: 25-6=19, Resulting Numbers: [9, 19] Generated Node #0,1,2: 40:[9, 19] Operation: 25-6=19 Exploring Operation: 9-6=3, Resulting Numbers: [25, 3] Generated Node #0,1,3: 40:[25, 3] Operation: 9-6=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[9, 19], Operations: ['96-90=6', '25-6=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,40 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[6, 16], Operations: ['96-90=6', '25-9=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,40 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 40:[25, 3], Operations: ['96-90=6', '9-6=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[6, 34], Operations: ['96-90=6', '25+9=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[96, 25, 9, 90], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [25, 9, 6] Generated Node #0,1: 40:[25, 9, 6] Operation: 96-90=6 Moving to Node #0,1 Current State: 40:[25, 9, 6], Operations: ['96-90=6'] Exploring Operation: 25+9=34, Resulting Numbers: [6, 34] Generated Node #0,1,1: 40:[6, 34] Operation: 25+9=34 Moving to Node #0,1,1 Current State: 40:[6, 34], Operations: ['96-90=6', '25+9=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 40, 13, 13, 75 ]
61
[ "40-13=27", "13+75=88", "88-27=61" ]
Current State: 61:[40, 13, 13, 75], Operations: [] Exploring Operation: 40-13=27, Resulting Numbers: [75, 27] Generated Node #2: [75, 27] from Operation: 40-13=27 Current State: 61:[75, 27], Operations: ['40-13=27'] Exploring Operation: 13+75=88, Resulting Numbers: [27, 88] Generated Node #3: [27, 88] from Operation: 13+75=88 Current State: 61:[27, 88], Operations: ['40-13=27', '13+75=88'] Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[40, 13, 13, 75], Operations: [] Exploring Operation: 40+13=53, Resulting Numbers: [13, 75, 53] Generated Node #0,0: 61:[13, 75, 53] Operation: 40+13=53 Exploring Operation: 40+13=53, Resulting Numbers: [13, 75, 53] Generated Node #0,1: 61:[13, 75, 53] Operation: 40+13=53 Moving to Node #0,0 Current State: 61:[13, 75, 53], Operations: ['40+13=53'] Exploring Operation: 13+53=66, Resulting Numbers: [75, 66] Generated Node #0,0,0: 61:[75, 66] Operation: 13+53=66 Exploring Operation: 75-13=62, Resulting Numbers: [53, 62] Generated Node #0,0,1: 61:[53, 62] Operation: 75-13=62 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[53, 62], Operations: ['40+13=53', '75-13=62'] Exploring Operation: 53+62=115, Resulting Numbers: [115] 115,61 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[75, 66], Operations: ['40+13=53', '13+53=66'] Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,61 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,61 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: 61:[13, 75, 53], Operations: ['40+13=53'] Exploring Operation: 75-13=62, Resulting Numbers: [53, 62] Generated Node #0,1,0: 61:[53, 62] Operation: 75-13=62 Exploring Operation: 13+53=66, Resulting Numbers: [75, 66] Generated Node #0,1,1: 61:[75, 66] Operation: 13+53=66 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[53, 62], Operations: ['40+13=53', '75-13=62'] Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 53+62=115, Resulting Numbers: [115] 115,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[75, 66], Operations: ['40+13=53', '13+53=66'] Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 39, 68, 73, 18 ]
52
[ "39+68=107", "73-18=55", "107-55=52" ]
Current State: 52:[39, 68, 73, 18], Operations: [] Exploring Operation: 39+68=107, Resulting Numbers: [73, 18, 107] Generated Node #2: [73, 18, 107] from Operation: 39+68=107 Current State: 52:[73, 18, 107], Operations: ['39+68=107'] Exploring Operation: 73-18=55, Resulting Numbers: [107, 55] Generated Node #3: [107, 55] from Operation: 73-18=55 Current State: 52:[107, 55], Operations: ['39+68=107', '73-18=55'] Exploring Operation: 107-55=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[39, 68, 73, 18], Operations: [] Exploring Operation: 73-68=5, Resulting Numbers: [39, 18, 5] Generated Node #0,0: 52:[39, 18, 5] Operation: 73-68=5 Exploring Operation: 68-39=29, Resulting Numbers: [73, 18, 29] Generated Node #0,1: 52:[73, 18, 29] Operation: 68-39=29 Exploring Operation: 73-39=34, Resulting Numbers: [68, 18, 34] Generated Node #0,2: 52:[68, 18, 34] Operation: 73-39=34 Moving to Node #0,0 Current State: 52:[39, 18, 5], Operations: ['73-68=5'] Exploring Operation: 39-18=21, Resulting Numbers: [5, 21] Generated Node #0,0,0: 52:[5, 21] Operation: 39-18=21 Exploring Operation: 39+18=57, Resulting Numbers: [5, 57] Generated Node #0,0,1: 52:[5, 57] Operation: 39+18=57 Exploring Operation: 39+5=44, Resulting Numbers: [18, 44] Generated Node #0,0,2: 52:[18, 44] Operation: 39+5=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[5, 21], Operations: ['73-68=5', '39-18=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,52 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[5, 57], Operations: ['73-68=5', '39+18=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[39, 68, 73, 18], Operations: [] Exploring Operation: 73-68=5, Resulting Numbers: [39, 18, 5] Generated Node #0,0: 52:[39, 18, 5] Operation: 73-68=5 Moving to Node #0,0 Current State: 52:[39, 18, 5], Operations: ['73-68=5'] Exploring Operation: 39+18=57, Resulting Numbers: [5, 57] Generated Node #0,0,1: 52:[5, 57] Operation: 39+18=57 Moving to Node #0,0,1 Current State: 52:[5, 57], Operations: ['73-68=5', '39+18=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 3, 10, 10, 4 ]
75
[ "3*10=30", "10*30=300", "300/4=75" ]
Current State: 75:[3, 10, 10, 4], Operations: [] Exploring Operation: 3*10=30, Resulting Numbers: [4, 30] Generated Node #2: [4, 30] from Operation: 3*10=30 Current State: 75:[4, 30], Operations: ['3*10=30'] Exploring Operation: 10*30=300, Resulting Numbers: [4, 300] Generated Node #3: [4, 300] from Operation: 10*30=300 Current State: 75:[4, 300], Operations: ['3*10=30', '10*30=300'] Exploring Operation: 300/4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[3, 10, 10, 4], Operations: [] Exploring Operation: 10-10=0, Resulting Numbers: [3, 4, 0] Generated Node #0,0: 75:[3, 4, 0] Operation: 10-10=0 Exploring Operation: 10+4=14, Resulting Numbers: [3, 10, 14] Generated Node #0,1: 75:[3, 10, 14] Operation: 10+4=14 Exploring Operation: 10+10=20, Resulting Numbers: [3, 4, 20] Generated Node #0,2: 75:[3, 4, 20] Operation: 10+10=20 Exploring Operation: 10/10=1, Resulting Numbers: [3, 4, 1] Generated Node #0,3: 75:[3, 4, 1] Operation: 10/10=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[3, 4, 1], Operations: ['10/10=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3, 3] Generated Node #0,3,0: 75:[3, 3] Operation: 4-1=3 Exploring Operation: 4+1=5, Resulting Numbers: [3, 5] Generated Node #0,3,1: 75:[3, 5] Operation: 4+1=5 Exploring Operation: 3/1=3, Resulting Numbers: [4, 3] Generated Node #0,3,2: 75:[4, 3] Operation: 3/1=3 Exploring Operation: 3*1=3, Resulting Numbers: [4, 3] Generated Node #0,3,3: 75:[4, 3] Operation: 3*1=3 Moving to Node #0,3,0 Current State: 75:[3, 3], Operations: ['10/10=1', '4-1=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[3, 5], Operations: ['10/10=1', '4+1=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Moving to Node #0,3,3 Current State: 75:[4, 3], Operations: ['10/10=1', '3*1=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,3,2 Current State: 75:[4, 3], Operations: ['10/10=1', '3/1=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[3, 4, 0], Operations: ['10-10=0'] Exploring Operation: 3+0=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 75:[4, 3] Operation: 3+0=3 Exploring Operation: 4-0=4, Resulting Numbers: [3, 4] Generated Node #0,0,1: 75:[3, 4] Operation: 4-0=4 Exploring Operation: 3-0=3, Resulting Numbers: [4, 3] Generated Node #0,0,2: 75:[4, 3] Operation: 3-0=3 Exploring Operation: 4+0=4, Resulting Numbers: [3, 4] Generated Node #0,0,3: 75:[3, 4] Operation: 4+0=4 Moving to Node #0,0,0 Current State: 75:[4, 3], Operations: ['10-10=0', '3+0=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[4, 3], Operations: ['10-10=0', '3-0=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[3, 4], Operations: ['10-10=0', '4-0=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[3, 4], Operations: ['10-10=0', '4+0=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[3, 10, 14], Operations: ['10+4=14'] Exploring Operation: 3+10=13, Resulting Numbers: [14, 13] Generated Node #0,1,0: 75:[14, 13] Operation: 3+10=13 Exploring Operation: 10+14=24, Resulting Numbers: [3, 24] Generated Node #0,1,1: 75:[3, 24] Operation: 10+14=24 Exploring Operation: 14-10=4, Resulting Numbers: [3, 4] Generated Node #0,1,2: 75:[3, 4] Operation: 14-10=4 Exploring Operation: 10-3=7, Resulting Numbers: [14, 7] Generated Node #0,1,3: 75:[14, 7] Operation: 10-3=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[3, 24], Operations: ['10+4=14', '10+14=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,75 unequal: No Solution No 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: 75:[3, 4], Operations: ['10+4=14', '14-10=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,75 unequal: No Solution No 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: 75:[14, 13], Operations: ['10+4=14', '3+10=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,75 unequal: No Solution No 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: 75:[14, 7], Operations: ['10+4=14', '10-3=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,75 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,75 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: 75:[3, 4, 20], Operations: ['10+10=20'] Exploring Operation: 20-4=16, Resulting Numbers: [3, 16] Generated Node #0,2,0: 75:[3, 16] Operation: 20-4=16 Exploring Operation: 3+20=23, Resulting Numbers: [4, 23] Generated Node #0,2,1: 75:[4, 23] Operation: 3+20=23 Exploring Operation: 4+20=24, Resulting Numbers: [3, 24] Generated Node #0,2,2: 75:[3, 24] Operation: 4+20=24 Exploring Operation: 20/4=5, Resulting Numbers: [3, 5] Generated Node #0,2,3: 75:[3, 5] Operation: 20/4=5 Moving to Node #0,2,3 Current State: 75:[3, 5], Operations: ['10+10=20', '20/4=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[3, 24], Operations: ['10+10=20', '4+20=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[3, 16], Operations: ['10+10=20', '20-4=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[4, 23], Operations: ['10+10=20', '3+20=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,75 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,75 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
[ 39, 66, 51, 42 ]
12
[ "39+66=105", "51+42=93", "105-93=12" ]
Current State: 12:[39, 66, 51, 42], Operations: [] Exploring Operation: 39+66=105, Resulting Numbers: [51, 42, 105] Generated Node #2: [51, 42, 105] from Operation: 39+66=105 Current State: 12:[51, 42, 105], Operations: ['39+66=105'] Exploring Operation: 51+42=93, Resulting Numbers: [105, 93] Generated Node #3: [105, 93] from Operation: 51+42=93 Current State: 12:[105, 93], Operations: ['39+66=105', '51+42=93'] Exploring Operation: 105-93=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[39, 66, 51, 42], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [39, 42, 15] Generated Node #0,0: 12:[39, 42, 15] Operation: 66-51=15 Moving to Node #0,0 Current State: 12:[39, 42, 15], Operations: ['66-51=15'] Exploring Operation: 42-39=3, Resulting Numbers: [15, 3] Generated Node #0,0,0: 12:[15, 3] Operation: 42-39=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[15, 3], Operations: ['66-51=15', '42-39=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[39, 66, 51, 42], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [39, 42, 15] Generated Node #0,0: 12:[39, 42, 15] Operation: 66-51=15 Moving to Node #0,0 Current State: 12:[39, 42, 15], Operations: ['66-51=15'] Exploring Operation: 42-39=3, Resulting Numbers: [15, 3] Generated Node #0,0,0: 12:[15, 3] Operation: 42-39=3 Moving to Node #0,0,0 Current State: 12:[15, 3], Operations: ['66-51=15', '42-39=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 15, 23, 48, 19 ]
11
[ "19-15=4", "48/4=12", "23-12=11" ]
Current State: 11:[15, 23, 48, 19], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [23, 48, 4] Generated Node #2: [23, 48, 4] from Operation: 19-15=4 Current State: 11:[23, 48, 4], Operations: ['19-15=4'] Exploring Operation: 48/4=12, Resulting Numbers: [23, 12] Generated Node #3: [23, 12] from Operation: 48/4=12 Current State: 11:[23, 12], Operations: ['19-15=4', '48/4=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[15, 23, 48, 19], Operations: [] Exploring Operation: 48-23=25, Resulting Numbers: [15, 19, 25] Generated Node #0,0: 11:[15, 19, 25] Operation: 48-23=25 Exploring Operation: 23-15=8, Resulting Numbers: [48, 19, 8] Generated Node #0,1: 11:[48, 19, 8] Operation: 23-15=8 Exploring Operation: 23-19=4, Resulting Numbers: [15, 48, 4] Generated Node #0,2: 11:[15, 48, 4] Operation: 23-19=4 Exploring Operation: 48-15=33, Resulting Numbers: [23, 19, 33] Generated Node #0,3: 11:[23, 19, 33] Operation: 48-15=33 Exploring Operation: 48-19=29, Resulting Numbers: [15, 23, 29] Generated Node #0,4: 11:[15, 23, 29] Operation: 48-19=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[15, 19, 25], Operations: ['48-23=25'] Exploring Operation: 15+19=34, Resulting Numbers: [25, 34] Generated Node #0,0,0: 11:[25, 34] Operation: 15+19=34 Exploring Operation: 15+25=40, Resulting Numbers: [19, 40] Generated Node #0,0,1: 11:[19, 40] Operation: 15+25=40 Exploring Operation: 19-15=4, Resulting Numbers: [25, 4] Generated Node #0,0,2: 11:[25, 4] Operation: 19-15=4 Exploring Operation: 25-19=6, Resulting Numbers: [15, 6] Generated Node #0,0,3: 11:[15, 6] Operation: 25-19=6 Exploring Operation: 25-15=10, Resulting Numbers: [19, 10] Generated Node #0,0,4: 11:[19, 10] Operation: 25-15=10 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 11:[15, 6], Operations: ['48-23=25', '25-19=6'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 11:[19, 10], Operations: ['48-23=25', '25-15=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,11 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[25, 4], Operations: ['48-23=25', '19-15=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[25, 34], Operations: ['48-23=25', '15+19=34'] Exploring Operation: 25*34=850, Resulting Numbers: [850] 850,11 unequal: No Solution Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[19, 40], Operations: ['48-23=25', '15+25=40'] Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,11 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[15, 23, 29], Operations: ['48-19=29'] Exploring Operation: 29-23=6, Resulting Numbers: [15, 6] Generated Node #0,4,0: 11:[15, 6] Operation: 29-23=6 Exploring Operation: 23-15=8, Resulting Numbers: [29, 8] Generated Node #0,4,1: 11:[29, 8] Operation: 23-15=8 Exploring Operation: 15+23=38, Resulting Numbers: [29, 38] Generated Node #0,4,2: 11:[29, 38] Operation: 15+23=38 Exploring Operation: 15+29=44, Resulting Numbers: [23, 44] Generated Node #0,4,3: 11:[23, 44] Operation: 15+29=44 Exploring Operation: 29-15=14, Resulting Numbers: [23, 14] Generated Node #0,4,4: 11:[23, 14] Operation: 29-15=14 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 11:[15, 6], Operations: ['48-19=29', '29-23=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 11:[23, 14], Operations: ['48-19=29', '29-15=14'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,11 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 11:[29, 8], Operations: ['48-19=29', '23-15=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 11:[29, 38], Operations: ['48-19=29', '15+23=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,11 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 11:[23, 44], Operations: ['48-19=29', '15+29=44'] Exploring Operation: 23*44=1012, Resulting Numbers: [1012] 1012,11 unequal: No Solution Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,11 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[23, 19, 33], Operations: ['48-15=33'] Exploring Operation: 23-19=4, Resulting Numbers: [33, 4] Generated Node #0,3,0: 11:[33, 4] Operation: 23-19=4 Exploring Operation: 33-19=14, Resulting Numbers: [23, 14] Generated Node #0,3,1: 11:[23, 14] Operation: 33-19=14 Exploring Operation: 23+33=56, Resulting Numbers: [19, 56] Generated Node #0,3,2: 11:[19, 56] Operation: 23+33=56 Exploring Operation: 23+19=42, Resulting Numbers: [33, 42] Generated Node #0,3,3: 11:[33, 42] Operation: 23+19=42 Exploring Operation: 33-23=10, Resulting Numbers: [19, 10] Generated Node #0,3,4: 11:[19, 10] Operation: 33-23=10 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 11:[19, 10], Operations: ['48-15=33', '33-23=10'] Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 11:[23, 14], Operations: ['48-15=33', '33-19=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,11 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 11:[33, 4], Operations: ['48-15=33', '23-19=4'] Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,11 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 11:[19, 56], Operations: ['48-15=33', '23+33=56'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 11:[33, 42], Operations: ['48-15=33', '23+19=42'] Exploring Operation: 33+42=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 33*42=1386, Resulting Numbers: [1386] 1386,11 unequal: No Solution Exploring Operation: 42-33=9, Resulting Numbers: [9] 9,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[48, 19, 8], Operations: ['23-15=8'] Exploring Operation: 48-19=29, Resulting Numbers: [8, 29] Generated Node #0,1,0: 11:[8, 29] Operation: 48-19=29 Exploring Operation: 48+8=56, Resulting Numbers: [19, 56] Generated Node #0,1,1: 11:[19, 56] Operation: 48+8=56 Exploring Operation: 48-8=40, Resulting Numbers: [19, 40] Generated Node #0,1,2: 11:[19, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [19, 6] Generated Node #0,1,3: 11:[19, 6] Operation: 48/8=6 Exploring Operation: 19-8=11, Resulting Numbers: [48, 11] Generated Node #0,1,4: 11:[48, 11] Operation: 19-8=11 Moving to Node #0,1,3 Current State: 11:[19, 6], Operations: ['23-15=8', '48/8=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,11 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[8, 29], Operations: ['23-15=8', '48-19=29'] Exploring Operation: 8*29=232, Resulting Numbers: [232] 232,11 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[19, 40], Operations: ['23-15=8', '48-8=40'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[48, 11], Operations: ['23-15=8', '19-8=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[19, 56], Operations: ['23-15=8', '48+8=56'] Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,11 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,11 unequal: No Solution No 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: 11:[15, 48, 4], Operations: ['23-19=4'] Exploring Operation: 15-4=11, Resulting Numbers: [48, 11] Generated Node #0,2,0: 11:[48, 11] Operation: 15-4=11 Exploring Operation: 48/4=12, Resulting Numbers: [15, 12] Generated Node #0,2,1: 11:[15, 12] Operation: 48/4=12 Exploring Operation: 15+4=19, Resulting Numbers: [48, 19] Generated Node #0,2,2: 11:[48, 19] Operation: 15+4=19 Exploring Operation: 48-15=33, Resulting Numbers: [4, 33] Generated Node #0,2,3: 11:[4, 33] Operation: 48-15=33 Exploring Operation: 48-4=44, Resulting Numbers: [15, 44] Generated Node #0,2,4: 11:[15, 44] Operation: 48-4=44 Moving to Node #0,2,1 Current State: 11:[15, 12], Operations: ['23-19=4', '48/4=12'] Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,11 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[4, 33], Operations: ['23-19=4', '48-15=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[48, 11], Operations: ['23-19=4', '15-4=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,11 unequal: No Solution Moving to Node #0,2,4 Current State: 11:[15, 44], Operations: ['23-19=4', '48-4=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[48, 19], Operations: ['23-19=4', '15+4=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,11 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 88, 11, 92, 2 ]
62
[ "88-11=77", "2*77=154", "154-92=62" ]
Current State: 62:[88, 11, 92, 2], Operations: [] Exploring Operation: 88-11=77, Resulting Numbers: [92, 2, 77] Generated Node #2: [92, 2, 77] from Operation: 88-11=77 Current State: 62:[92, 2, 77], Operations: ['88-11=77'] Exploring Operation: 2*77=154, Resulting Numbers: [92, 154] Generated Node #3: [92, 154] from Operation: 2*77=154 Current State: 62:[92, 154], Operations: ['88-11=77', '2*77=154'] Exploring Operation: 154-92=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[88, 11, 92, 2], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [11, 2, 4] Generated Node #0,0: 62:[11, 2, 4] Operation: 92-88=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[11, 2, 4], Operations: ['92-88=4'] Exploring Operation: 11-4=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 62:[2, 7] Operation: 11-4=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[2, 7], Operations: ['92-88=4', '11-4=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 15, 93, 74, 77 ]
26
[ "93-15=78", "77-74=3", "78/3=26" ]
Current State: 26:[15, 93, 74, 77], Operations: [] Exploring Operation: 93-15=78, Resulting Numbers: [74, 77, 78] Generated Node #2: [74, 77, 78] from Operation: 93-15=78 Current State: 26:[74, 77, 78], Operations: ['93-15=78'] Exploring Operation: 77-74=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 77-74=3 Current State: 26:[78, 3], Operations: ['93-15=78', '77-74=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[15, 93, 74, 77], Operations: [] Exploring Operation: 93-77=16, Resulting Numbers: [15, 74, 16] Generated Node #0,0: 26:[15, 74, 16] Operation: 93-77=16 Exploring Operation: 74-15=59, Resulting Numbers: [93, 77, 59] Generated Node #0,1: 26:[93, 77, 59] Operation: 74-15=59 Exploring Operation: 93-15=78, Resulting Numbers: [74, 77, 78] Generated Node #0,2: 26:[74, 77, 78] Operation: 93-15=78 Exploring Operation: 93-74=19, Resulting Numbers: [15, 77, 19] Generated Node #0,3: 26:[15, 77, 19] Operation: 93-74=19 Exploring Operation: 77-74=3, Resulting Numbers: [15, 93, 3] Generated Node #0,4: 26:[15, 93, 3] Operation: 77-74=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[15, 74, 16], Operations: ['93-77=16'] Exploring Operation: 74-16=58, Resulting Numbers: [15, 58] Generated Node #0,0,0: 26:[15, 58] Operation: 74-16=58 Exploring Operation: 15+16=31, Resulting Numbers: [74, 31] Generated Node #0,0,1: 26:[74, 31] Operation: 15+16=31 Exploring Operation: 15+74=89, Resulting Numbers: [16, 89] Generated Node #0,0,2: 26:[16, 89] Operation: 15+74=89 Exploring Operation: 74-15=59, Resulting Numbers: [16, 59] Generated Node #0,0,3: 26:[16, 59] Operation: 74-15=59 Exploring Operation: 16-15=1, Resulting Numbers: [74, 1] Generated Node #0,0,4: 26:[74, 1] Operation: 16-15=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[15, 58], Operations: ['93-77=16', '74-16=58'] Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,26 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 #0,0,3 Current State: 26:[16, 59], Operations: ['93-77=16', '74-15=59'] Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,26 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 #0,0,4 Current State: 26:[74, 1], Operations: ['93-77=16', '16-15=1'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,26 unequal: No Solution Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,26 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 #0,0,1 Current State: 26:[74, 31], Operations: ['93-77=16', '15+16=31'] Exploring Operation: 74+31=105, Resulting Numbers: [105] 105,26 unequal: No Solution Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 74*31=2294, Resulting Numbers: [2294] 2294,26 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 #0,0,2 Current State: 26:[16, 89], Operations: ['93-77=16', '15+74=89'] Exploring Operation: 16+89=105, Resulting Numbers: [105] 105,26 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 16*89=1424, Resulting Numbers: [1424] 1424,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[15, 77, 19], Operations: ['93-74=19'] Exploring Operation: 77-15=62, Resulting Numbers: [19, 62] Generated Node #0,3,0: 26:[19, 62] Operation: 77-15=62 Exploring Operation: 77-19=58, Resulting Numbers: [15, 58] Generated Node #0,3,1: 26:[15, 58] Operation: 77-19=58 Exploring Operation: 15+19=34, Resulting Numbers: [77, 34] Generated Node #0,3,2: 26:[77, 34] Operation: 15+19=34 Exploring Operation: 15+77=92, Resulting Numbers: [19, 92] Generated Node #0,3,3: 26:[19, 92] Operation: 15+77=92 Exploring Operation: 19-15=4, Resulting Numbers: [77, 4] Generated Node #0,3,4: 26:[77, 4] Operation: 19-15=4 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[15, 58], Operations: ['93-74=19', '77-19=58'] Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[19, 62], Operations: ['93-74=19', '77-15=62'] Exploring Operation: 19+62=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 19*62=1178, Resulting Numbers: [1178] 1178,26 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 26:[77, 4], Operations: ['93-74=19', '19-15=4'] Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,26 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[77, 34], Operations: ['93-74=19', '15+19=34'] Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,26 unequal: No Solution Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,26 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[19, 92], Operations: ['93-74=19', '15+77=92'] Exploring Operation: 19*92=1748, Resulting Numbers: [1748] 1748,26 unequal: No Solution Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 19+92=111, Resulting Numbers: [111] 111,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 26:[15, 93, 3], Operations: ['77-74=3'] Exploring Operation: 93/3=31, Resulting Numbers: [15, 31] Generated Node #0,4,0: 26:[15, 31] Operation: 93/3=31 Exploring Operation: 93-3=90, Resulting Numbers: [15, 90] Generated Node #0,4,1: 26:[15, 90] Operation: 93-3=90 Exploring Operation: 15/3=5, Resulting Numbers: [93, 5] Generated Node #0,4,2: 26:[93, 5] Operation: 15/3=5 Exploring Operation: 93-15=78, Resulting Numbers: [3, 78] Generated Node #0,4,3: 26:[3, 78] Operation: 93-15=78 Exploring Operation: 15-3=12, Resulting Numbers: [93, 12] Generated Node #0,4,4: 26:[93, 12] Operation: 15-3=12 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 26:[15, 31], Operations: ['77-74=3', '93/3=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,26 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 26:[3, 78], Operations: ['77-74=3', '93-15=78'] Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,26 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[15, 93, 74, 77], Operations: [] Exploring Operation: 77-74=3, Resulting Numbers: [15, 93, 3] Generated Node #0,4: 26:[15, 93, 3] Operation: 77-74=3 Moving to Node #0,4 Current State: 26:[15, 93, 3], Operations: ['77-74=3'] Exploring Operation: 93-15=78, Resulting Numbers: [3, 78] Generated Node #0,4,3: 26:[3, 78] Operation: 93-15=78 Moving to Node #0,4,3 Current State: 26:[3, 78], Operations: ['77-74=3', '93-15=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_5
mult_heuristic
[ 48, 48, 54, 57 ]
15
[ "48+48=96", "54+57=111", "111-96=15" ]
Current State: 15:[48, 48, 54, 57], Operations: [] Exploring Operation: 48+48=96, Resulting Numbers: [54, 57, 96] Generated Node #2: [54, 57, 96] from Operation: 48+48=96 Current State: 15:[54, 57, 96], Operations: ['48+48=96'] Exploring Operation: 54+57=111, Resulting Numbers: [96, 111] Generated Node #3: [96, 111] from Operation: 54+57=111 Current State: 15:[96, 111], Operations: ['48+48=96', '54+57=111'] Exploring Operation: 111-96=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[48, 48, 54, 57], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [48, 48, 3] Generated Node #0,0: 15:[48, 48, 3] Operation: 57-54=3 Moving to Node #0,0 Current State: 15:[48, 48, 3], Operations: ['57-54=3'] Exploring Operation: 48/48=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 15:[3, 1] Operation: 48/48=1 Moving to Node #0,0,0 Current State: 15:[3, 1], Operations: ['57-54=3', '48/48=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 33, 29, 83, 58 ]
87
[ "33+29=62", "83-58=25", "62+25=87" ]
Current State: 87:[33, 29, 83, 58], Operations: [] Exploring Operation: 33+29=62, Resulting Numbers: [83, 58, 62] Generated Node #2: [83, 58, 62] from Operation: 33+29=62 Current State: 87:[83, 58, 62], Operations: ['33+29=62'] Exploring Operation: 83-58=25, Resulting Numbers: [62, 25] Generated Node #3: [62, 25] from Operation: 83-58=25 Current State: 87:[62, 25], Operations: ['33+29=62', '83-58=25'] Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[33, 29, 83, 58], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [29, 83, 25] Generated Node #0,0: 87:[29, 83, 25] Operation: 58-33=25 Exploring Operation: 29+58=87, Resulting Numbers: [33, 83, 87] Generated Node #0,1: 87:[33, 83, 87] Operation: 29+58=87 Exploring Operation: 33+58=91, Resulting Numbers: [29, 83, 91] Generated Node #0,2: 87:[29, 83, 91] Operation: 33+58=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[29, 83, 25], Operations: ['58-33=25'] Exploring Operation: 29+83=112, Resulting Numbers: [25, 112] Generated Node #0,0,0: 87:[25, 112] Operation: 29+83=112 Exploring Operation: 83+25=108, Resulting Numbers: [29, 108] Generated Node #0,0,1: 87:[29, 108] Operation: 83+25=108 Exploring Operation: 29-25=4, Resulting Numbers: [83, 4] Generated Node #0,0,2: 87:[83, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[83, 4], Operations: ['58-33=25', '29-25=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,87 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,87 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[33, 29, 83, 58], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [29, 83, 25] Generated Node #0,0: 87:[29, 83, 25] Operation: 58-33=25 Moving to Node #0,0 Current State: 87:[29, 83, 25], Operations: ['58-33=25'] Exploring Operation: 29-25=4, Resulting Numbers: [83, 4] Generated Node #0,0,2: 87:[83, 4] Operation: 29-25=4 Moving to Node #0,0,2 Current State: 87:[83, 4], Operations: ['58-33=25', '29-25=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 57, 6, 10, 62 ]
90
[ "57-10=47", "62-47=15", "6*15=90" ]
Current State: 90:[57, 6, 10, 62], Operations: [] Exploring Operation: 57-10=47, Resulting Numbers: [6, 62, 47] Generated Node #2: [6, 62, 47] from Operation: 57-10=47 Current State: 90:[6, 62, 47], Operations: ['57-10=47'] Exploring Operation: 62-47=15, Resulting Numbers: [6, 15] Generated Node #3: [6, 15] from Operation: 62-47=15 Current State: 90:[6, 15], Operations: ['57-10=47', '62-47=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[57, 6, 10, 62], Operations: [] Exploring Operation: 57-6=51, Resulting Numbers: [10, 62, 51] Generated Node #0,0: 90:[10, 62, 51] Operation: 57-6=51 Exploring Operation: 62-57=5, Resulting Numbers: [6, 10, 5] Generated Node #0,1: 90:[6, 10, 5] Operation: 62-57=5 Exploring Operation: 62-10=52, Resulting Numbers: [57, 6, 52] Generated Node #0,2: 90:[57, 6, 52] Operation: 62-10=52 Exploring Operation: 57-10=47, Resulting Numbers: [6, 62, 47] Generated Node #0,3: 90:[6, 62, 47] Operation: 57-10=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[6, 10, 5], Operations: ['62-57=5'] Exploring Operation: 10-5=5, Resulting Numbers: [6, 5] Generated Node #0,1,0: 90:[6, 5] Operation: 10-5=5 Exploring Operation: 10+5=15, Resulting Numbers: [6, 15] Generated Node #0,1,1: 90:[6, 15] Operation: 10+5=15 Exploring Operation: 10/5=2, Resulting Numbers: [6, 2] Generated Node #0,1,2: 90:[6, 2] Operation: 10/5=2 Exploring Operation: 6*5=30, Resulting Numbers: [10, 30] Generated Node #0,1,3: 90:[10, 30] Operation: 6*5=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[6, 5], Operations: ['62-57=5', '10-5=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[6, 15], Operations: ['62-57=5', '10+5=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[57, 6, 10, 62], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [6, 10, 5] Generated Node #0,1: 90:[6, 10, 5] Operation: 62-57=5 Moving to Node #0,1 Current State: 90:[6, 10, 5], Operations: ['62-57=5'] Exploring Operation: 10+5=15, Resulting Numbers: [6, 15] Generated Node #0,1,1: 90:[6, 15] Operation: 10+5=15 Moving to Node #0,1,1 Current State: 90:[6, 15], Operations: ['62-57=5', '10+5=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 14, 14, 34, 99 ]
99
[ "14-14=0", "34*0=0", "99+0=99" ]
Current State: 99:[14, 14, 34, 99], Operations: [] Exploring Operation: 14-14=0, Resulting Numbers: [34, 99, 0] Generated Node #2: [34, 99, 0] from Operation: 14-14=0 Current State: 99:[34, 99, 0], Operations: ['14-14=0'] Exploring Operation: 34*0=0, Resulting Numbers: [99, 0] Generated Node #3: [99, 0] from Operation: 34*0=0 Current State: 99:[99, 0], Operations: ['14-14=0', '34*0=0'] Exploring Operation: 99+0=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[14, 14, 34, 99], Operations: [] Exploring Operation: 14/14=1, Resulting Numbers: [34, 99, 1] Generated Node #0,0: 99:[34, 99, 1] Operation: 14/14=1 Exploring Operation: 14-14=0, Resulting Numbers: [34, 99, 0] Generated Node #0,1: 99:[34, 99, 0] Operation: 14-14=0 Exploring Operation: 14+14=28, Resulting Numbers: [34, 99, 28] Generated Node #0,2: 99:[34, 99, 28] Operation: 14+14=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[34, 99, 1], Operations: ['14/14=1'] Exploring Operation: 34-1=33, Resulting Numbers: [99, 33] Generated Node #0,0,0: 99:[99, 33] Operation: 34-1=33 Exploring Operation: 34*1=34, Resulting Numbers: [99, 34] Generated Node #0,0,1: 99:[99, 34] Operation: 34*1=34 Exploring Operation: 34/1=34, Resulting Numbers: [99, 34] Generated Node #0,0,2: 99:[99, 34] Operation: 34/1=34 Moving to Node #0,0,0 Current State: 99:[99, 33], Operations: ['14/14=1', '34-1=33'] Exploring Operation: 99/33=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 99-33=66, Resulting Numbers: [66] 66,99 unequal: No Solution Exploring Operation: 99+33=132, Resulting Numbers: [132] 132,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[99, 34], Operations: ['14/14=1', '34*1=34'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,99 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[99, 34], Operations: ['14/14=1', '34/1=34'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,99 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,99 unequal: No Solution No 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: 99:[34, 99, 0], Operations: ['14-14=0'] Exploring Operation: 99+0=99, Resulting Numbers: [34, 99] Generated Node #0,1,0: 99:[34, 99] Operation: 99+0=99 Exploring Operation: 34-0=34, Resulting Numbers: [99, 34] Generated Node #0,1,1: 99:[99, 34] Operation: 34-0=34 Exploring Operation: 34+0=34, Resulting Numbers: [99, 34] Generated Node #0,1,2: 99:[99, 34] Operation: 34+0=34 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[34, 99], Operations: ['14-14=0', '99+0=99'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 34+99=133, Resulting Numbers: [133] 133,99 unequal: No Solution Exploring Operation: 34*99=3366, Resulting Numbers: [3366] 3366,99 unequal: No Solution No 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: 99:[99, 34], Operations: ['14-14=0', '34-0=34'] Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,99 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,99 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution No 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: 99:[99, 34], Operations: ['14-14=0', '34+0=34'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,99 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,99 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[34, 99, 28], Operations: ['14+14=28'] Exploring Operation: 34+28=62, Resulting Numbers: [99, 62] Generated Node #0,2,0: 99:[99, 62] Operation: 34+28=62 Exploring Operation: 34-28=6, Resulting Numbers: [99, 6] Generated Node #0,2,1: 99:[99, 6] Operation: 34-28=6 Exploring Operation: 99+28=127, Resulting Numbers: [34, 127] Generated Node #0,2,2: 99:[34, 127] Operation: 99+28=127 Moving to Node #0,2,1 Current State: 99:[99, 6], Operations: ['14+14=28', '34-28=6'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,99 unequal: No Solution Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[99, 62], Operations: ['14+14=28', '34+28=62'] Exploring Operation: 99*62=6138, Resulting Numbers: [6138] 6138,99 unequal: No Solution Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 99+62=161, Resulting Numbers: [161] 161,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[34, 127], Operations: ['14+14=28', '99+28=127'] Exploring Operation: 127-34=93, Resulting Numbers: [93] 93,99 unequal: No Solution Exploring Operation: 34*127=4318, Resulting Numbers: [4318] 4318,99 unequal: No Solution Exploring Operation: 34+127=161, Resulting Numbers: [161] 161,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 16, 11, 36, 7 ]
70
[ "16+11=27", "36+7=43", "27+43=70" ]
Current State: 70:[16, 11, 36, 7], Operations: [] Exploring Operation: 16+11=27, Resulting Numbers: [36, 7, 27] Generated Node #2: [36, 7, 27] from Operation: 16+11=27 Current State: 70:[36, 7, 27], Operations: ['16+11=27'] Exploring Operation: 36+7=43, Resulting Numbers: [27, 43] Generated Node #3: [27, 43] from Operation: 36+7=43 Current State: 70:[27, 43], Operations: ['16+11=27', '36+7=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[16, 11, 36, 7], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [36, 7, 5] Generated Node #0,0: 70:[36, 7, 5] Operation: 16-11=5 Exploring Operation: 11-7=4, Resulting Numbers: [16, 36, 4] Generated Node #0,1: 70:[16, 36, 4] Operation: 11-7=4 Exploring Operation: 36-16=20, Resulting Numbers: [11, 7, 20] Generated Node #0,2: 70:[11, 7, 20] Operation: 36-16=20 Exploring Operation: 16-7=9, Resulting Numbers: [11, 36, 9] Generated Node #0,3: 70:[11, 36, 9] Operation: 16-7=9 Exploring Operation: 11+7=18, Resulting Numbers: [16, 36, 18] Generated Node #0,4: 70:[16, 36, 18] Operation: 11+7=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[36, 7, 5], Operations: ['16-11=5'] Exploring Operation: 36-7=29, Resulting Numbers: [5, 29] Generated Node #0,0,0: 70:[5, 29] Operation: 36-7=29 Exploring Operation: 7+5=12, Resulting Numbers: [36, 12] Generated Node #0,0,1: 70:[36, 12] Operation: 7+5=12 Exploring Operation: 36-5=31, Resulting Numbers: [7, 31] Generated Node #0,0,2: 70:[7, 31] Operation: 36-5=31 Exploring Operation: 7-5=2, Resulting Numbers: [36, 2] Generated Node #0,0,3: 70:[36, 2] Operation: 7-5=2 Exploring Operation: 7*5=35, Resulting Numbers: [36, 35] Generated Node #0,0,4: 70:[36, 35] Operation: 7*5=35 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 70:[36, 2], Operations: ['16-11=5', '7-5=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,70 unequal: No Solution No 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: 70:[36, 35], Operations: ['16-11=5', '7*5=35'] Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,70 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,70 unequal: No Solution No 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: 70:[36, 12], Operations: ['16-11=5', '7+5=12'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,70 unequal: No Solution No 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: 70:[7, 31], Operations: ['16-11=5', '36-5=31'] Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,70 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,70 unequal: No Solution No 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: 70:[5, 29], Operations: ['16-11=5', '36-7=29'] Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,70 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,70 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: 70:[11, 36, 9], Operations: ['16-7=9'] Exploring Operation: 36-11=25, Resulting Numbers: [9, 25] Generated Node #0,3,0: 70:[9, 25] Operation: 36-11=25 Exploring Operation: 36-9=27, Resulting Numbers: [11, 27] Generated Node #0,3,1: 70:[11, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [11, 4] Generated Node #0,3,2: 70:[11, 4] Operation: 36/9=4 Exploring Operation: 11+9=20, Resulting Numbers: [36, 20] Generated Node #0,3,3: 70:[36, 20] Operation: 11+9=20 Exploring Operation: 11-9=2, Resulting Numbers: [36, 2] Generated Node #0,3,4: 70:[36, 2] Operation: 11-9=2 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 70:[36, 2], Operations: ['16-7=9', '11-9=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,70 unequal: No Solution No 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: 70:[11, 4], Operations: ['16-7=9', '36/9=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,70 unequal: No Solution No 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: 70:[36, 20], Operations: ['16-7=9', '11+9=20'] Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,70 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,70 unequal: No Solution No 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: 70:[11, 27], Operations: ['16-7=9', '36-9=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,70 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,70 unequal: No Solution No 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: 70:[9, 25], Operations: ['16-7=9', '36-11=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,70 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: 70:[16, 36, 4], Operations: ['11-7=4'] Exploring Operation: 36/4=9, Resulting Numbers: [16, 9] Generated Node #0,1,0: 70:[16, 9] Operation: 36/4=9 Exploring Operation: 16/4=4, Resulting Numbers: [36, 4] Generated Node #0,1,1: 70:[36, 4] Operation: 16/4=4 Exploring Operation: 36-16=20, Resulting Numbers: [4, 20] Generated Node #0,1,2: 70:[4, 20] Operation: 36-16=20 Exploring Operation: 36-4=32, Resulting Numbers: [16, 32] Generated Node #0,1,3: 70:[16, 32] Operation: 36-4=32 Exploring Operation: 16-4=12, Resulting Numbers: [36, 12] Generated Node #0,1,4: 70:[36, 12] Operation: 16-4=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[36, 4], Operations: ['11-7=4', '16/4=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,70 unequal: No Solution No 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: 70:[16, 9], Operations: ['11-7=4', '36/4=9'] Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,70 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 70:[36, 12], Operations: ['11-7=4', '16-4=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,70 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,70 unequal: No Solution No 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: 70:[16, 32], Operations: ['11-7=4', '36-4=32'] Exploring Operation: 16*32=512, Resulting Numbers: [512] 512,70 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,70 unequal: No Solution No 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: 70:[4, 20], Operations: ['11-7=4', '36-16=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,70 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: 70:[11, 7, 20], Operations: ['36-16=20'] Exploring Operation: 11+20=31, Resulting Numbers: [7, 31] Generated Node #0,2,0: 70:[7, 31] Operation: 11+20=31 Exploring Operation: 7+20=27, Resulting Numbers: [11, 27] Generated Node #0,2,1: 70:[11, 27] Operation: 7+20=27 Exploring Operation: 11-7=4, Resulting Numbers: [20, 4] Generated Node #0,2,2: 70:[20, 4] Operation: 11-7=4 Exploring Operation: 20-7=13, Resulting Numbers: [11, 13] Generated Node #0,2,3: 70:[11, 13] Operation: 20-7=13 Exploring Operation: 20-11=9, Resulting Numbers: [7, 9] Generated Node #0,2,4: 70:[7, 9] Operation: 20-11=9 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 70:[7, 9], Operations: ['36-16=20', '20-11=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,70 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,70 unequal: No Solution No 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: 70:[11, 13], Operations: ['36-16=20', '20-7=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,70 unequal: No Solution No 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: 70:[7, 31], Operations: ['36-16=20', '11+20=31'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,70 unequal: No Solution No 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: 70:[20, 4], Operations: ['36-16=20', '11-7=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,70 unequal: No Solution No 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: 70:[11, 27], Operations: ['36-16=20', '7+20=27'] Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 70:[16, 36, 18], Operations: ['11+7=18'] Exploring Operation: 16+18=34, Resulting Numbers: [36, 34] Generated Node #0,4,0: 70:[36, 34] Operation: 16+18=34 Exploring Operation: 36-18=18, Resulting Numbers: [16, 18] Generated Node #0,4,1: 70:[16, 18] Operation: 36-18=18 Exploring Operation: 36/18=2, Resulting Numbers: [16, 2] Generated Node #0,4,2: 70:[16, 2] Operation: 36/18=2 Exploring Operation: 18-16=2, Resulting Numbers: [36, 2] Generated Node #0,4,3: 70:[36, 2] Operation: 18-16=2 Exploring Operation: 36-16=20, Resulting Numbers: [18, 20] Generated Node #0,4,4: 70:[18, 20] Operation: 36-16=20 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 70:[36, 2], Operations: ['11+7=18', '18-16=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 70:[36, 34], Operations: ['11+7=18', '16+18=34'] Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[16, 11, 36, 7], Operations: [] Exploring Operation: 11+7=18, Resulting Numbers: [16, 36, 18] Generated Node #0,4: 70:[16, 36, 18] Operation: 11+7=18 Moving to Node #0,4 Current State: 70:[16, 36, 18], Operations: ['11+7=18'] Exploring Operation: 16+18=34, Resulting Numbers: [36, 34] Generated Node #0,4,0: 70:[36, 34] Operation: 16+18=34 Moving to Node #0,4,0 Current State: 70:[36, 34], Operations: ['11+7=18', '16+18=34'] Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.907118
hs_5
sum_heuristic
[ 65, 1, 70, 9 ]
58
[ "1+9=10", "70/10=7", "65-7=58" ]
Current State: 58:[65, 1, 70, 9], Operations: [] Exploring Operation: 1+9=10, Resulting Numbers: [65, 70, 10] Generated Node #2: [65, 70, 10] from Operation: 1+9=10 Current State: 58:[65, 70, 10], Operations: ['1+9=10'] Exploring Operation: 70/10=7, Resulting Numbers: [65, 7] Generated Node #3: [65, 7] from Operation: 70/10=7 Current State: 58:[65, 7], Operations: ['1+9=10', '70/10=7'] Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[65, 1, 70, 9], Operations: [] Exploring Operation: 70-9=61, Resulting Numbers: [65, 1, 61] Generated Node #0,0: 58:[65, 1, 61] Operation: 70-9=61 Exploring Operation: 65-9=56, Resulting Numbers: [1, 70, 56] Generated Node #0,1: 58:[1, 70, 56] Operation: 65-9=56 Exploring Operation: 65-1=64, Resulting Numbers: [70, 9, 64] Generated Node #0,2: 58:[70, 9, 64] Operation: 65-1=64 Exploring Operation: 70-65=5, Resulting Numbers: [1, 9, 5] Generated Node #0,3: 58:[1, 9, 5] Operation: 70-65=5 Moving to Node #0,0 Current State: 58:[65, 1, 61], Operations: ['70-9=61'] Exploring Operation: 65*1=65, Resulting Numbers: [61, 65] Generated Node #0,0,0: 58:[61, 65] Operation: 65*1=65 Exploring Operation: 61-1=60, Resulting Numbers: [65, 60] Generated Node #0,0,1: 58:[65, 60] Operation: 61-1=60 Exploring Operation: 65-1=64, Resulting Numbers: [61, 64] Generated Node #0,0,2: 58:[61, 64] Operation: 65-1=64 Exploring Operation: 65-61=4, Resulting Numbers: [1, 4] Generated Node #0,0,3: 58:[1, 4] Operation: 65-61=4 Moving to Node #0,3 Current State: 58:[1, 9, 5], Operations: ['70-65=5'] Exploring Operation: 9-1=8, Resulting Numbers: [5, 8] Generated Node #0,3,0: 58:[5, 8] Operation: 9-1=8 Exploring Operation: 1*9=9, Resulting Numbers: [5, 9] Generated Node #0,3,1: 58:[5, 9] Operation: 1*9=9 Exploring Operation: 9-5=4, Resulting Numbers: [1, 4] Generated Node #0,3,2: 58:[1, 4] Operation: 9-5=4 Exploring Operation: 5-1=4, Resulting Numbers: [9, 4] Generated Node #0,3,3: 58:[9, 4] Operation: 5-1=4 Moving to Node #0,1 Current State: 58:[1, 70, 56], Operations: ['65-9=56'] Exploring Operation: 70-56=14, Resulting Numbers: [1, 14] Generated Node #0,1,0: 58:[1, 14] Operation: 70-56=14 Exploring Operation: 1+56=57, Resulting Numbers: [70, 57] Generated Node #0,1,1: 58:[70, 57] Operation: 1+56=57 Exploring Operation: 1*70=70, Resulting Numbers: [56, 70] Generated Node #0,1,2: 58:[56, 70] Operation: 1*70=70 Exploring Operation: 70-1=69, Resulting Numbers: [56, 69] Generated Node #0,1,3: 58:[56, 69] Operation: 70-1=69 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[1, 14], Operations: ['65-9=56', '70-56=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[70, 57], Operations: ['65-9=56', '1+56=57'] Exploring Operation: 70*57=3990, Resulting Numbers: [3990] 3990,58 unequal: No Solution Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 70+57=127, Resulting Numbers: [127] 127,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[56, 69], Operations: ['65-9=56', '70-1=69'] Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,58 unequal: No Solution Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[56, 70], Operations: ['65-9=56', '1*70=70'] Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,58 unequal: No Solution Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,58 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: 58:[70, 9, 64], Operations: ['65-1=64'] Exploring Operation: 70-9=61, Resulting Numbers: [64, 61] Generated Node #0,2,0: 58:[64, 61] Operation: 70-9=61 Exploring Operation: 64-9=55, Resulting Numbers: [70, 55] Generated Node #0,2,1: 58:[70, 55] Operation: 64-9=55 Exploring Operation: 70-64=6, Resulting Numbers: [9, 6] Generated Node #0,2,2: 58:[9, 6] Operation: 70-64=6 Exploring Operation: 70+9=79, Resulting Numbers: [64, 79] Generated Node #0,2,3: 58:[64, 79] Operation: 70+9=79 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[64, 61], Operations: ['65-1=64', '70-9=61'] Exploring Operation: 64+61=125, Resulting Numbers: [125] 125,58 unequal: No Solution Exploring Operation: 64*61=3904, Resulting Numbers: [3904] 3904,58 unequal: No Solution Exploring Operation: 64-61=3, Resulting Numbers: [3] 3,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[9, 6], Operations: ['65-1=64', '70-64=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[70, 55], Operations: ['65-1=64', '64-9=55'] Exploring Operation: 70*55=3850, Resulting Numbers: [3850] 3850,58 unequal: No Solution Exploring Operation: 70+55=125, Resulting Numbers: [125] 125,58 unequal: No Solution Exploring Operation: 70-55=15, Resulting Numbers: [15] 15,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[64, 79], Operations: ['65-1=64', '70+9=79'] Exploring Operation: 64*79=5056, Resulting Numbers: [5056] 5056,58 unequal: No Solution Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 64+79=143, Resulting Numbers: [143] 143,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 58:[1, 4], Operations: ['70-9=61', '65-61=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[1, 4], Operations: ['70-65=5', '9-5=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[61, 64], Operations: ['70-9=61', '65-1=64'] Exploring Operation: 61*64=3904, Resulting Numbers: [3904] 3904,58 unequal: No Solution Exploring Operation: 61+64=125, Resulting Numbers: [125] 125,58 unequal: No Solution Exploring Operation: 64-61=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[5, 8], Operations: ['70-65=5', '9-1=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[9, 4], Operations: ['70-65=5', '5-1=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[65, 60], Operations: ['70-9=61', '61-1=60'] Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 65*60=3900, Resulting Numbers: [3900] 3900,58 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[61, 65], Operations: ['70-9=61', '65*1=65'] Exploring Operation: 61+65=126, Resulting Numbers: [126] 126,58 unequal: No Solution Exploring Operation: 61*65=3965, Resulting Numbers: [3965] 3965,58 unequal: No Solution Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[5, 9], Operations: ['70-65=5', '1*9=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,58 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 23, 25, 92, 3 ]
87
[ "25-23=2", "92-3=89", "89-2=87" ]
Current State: 87:[23, 25, 92, 3], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [92, 3, 2] Generated Node #2: [92, 3, 2] from Operation: 25-23=2 Current State: 87:[92, 3, 2], Operations: ['25-23=2'] Exploring Operation: 92-3=89, Resulting Numbers: [2, 89] Generated Node #3: [2, 89] from Operation: 92-3=89 Current State: 87:[2, 89], Operations: ['25-23=2', '92-3=89'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[23, 25, 92, 3], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [92, 3, 2] Generated Node #0,0: 87:[92, 3, 2] Operation: 25-23=2 Exploring Operation: 25+3=28, Resulting Numbers: [23, 92, 28] Generated Node #0,1: 87:[23, 92, 28] Operation: 25+3=28 Exploring Operation: 23+3=26, Resulting Numbers: [25, 92, 26] Generated Node #0,2: 87:[25, 92, 26] Operation: 23+3=26 Exploring Operation: 92/23=4, Resulting Numbers: [25, 3, 4] Generated Node #0,3: 87:[25, 3, 4] Operation: 92/23=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[25, 3, 4], Operations: ['92/23=4'] Exploring Operation: 25+3=28, Resulting Numbers: [4, 28] Generated Node #0,3,0: 87:[4, 28] Operation: 25+3=28 Exploring Operation: 25-3=22, Resulting Numbers: [4, 22] Generated Node #0,3,1: 87:[4, 22] Operation: 25-3=22 Exploring Operation: 4-3=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 87:[25, 1] Operation: 4-3=1 Exploring Operation: 25+4=29, Resulting Numbers: [3, 29] Generated Node #0,3,3: 87:[3, 29] Operation: 25+4=29 Moving to Node #0,3,3 Current State: 87:[3, 29], Operations: ['92/23=4', '25+4=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[23, 25, 92, 3], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [25, 3, 4] Generated Node #0,3: 87:[25, 3, 4] Operation: 92/23=4 Moving to Node #0,3 Current State: 87:[25, 3, 4], Operations: ['92/23=4'] Exploring Operation: 25+4=29, Resulting Numbers: [3, 29] Generated Node #0,3,3: 87:[3, 29] Operation: 25+4=29 Moving to Node #0,3,3 Current State: 87:[3, 29], Operations: ['92/23=4', '25+4=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 90, 5, 34, 74 ]
46
[ "90-74=16", "5*16=80", "80-34=46" ]
Current State: 46:[90, 5, 34, 74], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [5, 34, 16] Generated Node #2: [5, 34, 16] from Operation: 90-74=16 Current State: 46:[5, 34, 16], Operations: ['90-74=16'] Exploring Operation: 5*16=80, Resulting Numbers: [34, 80] Generated Node #3: [34, 80] from Operation: 5*16=80 Current State: 46:[34, 80], Operations: ['90-74=16', '5*16=80'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[90, 5, 34, 74], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [34, 74, 18] Generated Node #0,0: 46:[34, 74, 18] Operation: 90/5=18 Exploring Operation: 90-74=16, Resulting Numbers: [5, 34, 16] Generated Node #0,1: 46:[5, 34, 16] Operation: 90-74=16 Exploring Operation: 90-34=56, Resulting Numbers: [5, 74, 56] Generated Node #0,2: 46:[5, 74, 56] Operation: 90-34=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[5, 34, 16], Operations: ['90-74=16'] Exploring Operation: 34-5=29, Resulting Numbers: [16, 29] Generated Node #0,1,0: 46:[16, 29] Operation: 34-5=29 Exploring Operation: 34+16=50, Resulting Numbers: [5, 50] Generated Node #0,1,1: 46:[5, 50] Operation: 34+16=50 Exploring Operation: 34-16=18, Resulting Numbers: [5, 18] Generated Node #0,1,2: 46:[5, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[5, 50], Operations: ['90-74=16', '34+16=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[5, 18], Operations: ['90-74=16', '34-16=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[16, 29], Operations: ['90-74=16', '34-5=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[5, 74, 56], Operations: ['90-34=56'] Exploring Operation: 74-5=69, Resulting Numbers: [56, 69] Generated Node #0,2,0: 46:[56, 69] Operation: 74-5=69 Exploring Operation: 74-56=18, Resulting Numbers: [5, 18] Generated Node #0,2,1: 46:[5, 18] Operation: 74-56=18 Exploring Operation: 56-5=51, Resulting Numbers: [74, 51] Generated Node #0,2,2: 46:[74, 51] Operation: 56-5=51 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[5, 18], Operations: ['90-34=56', '74-56=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[56, 69], Operations: ['90-34=56', '74-5=69'] Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,46 unequal: No Solution Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[74, 51], Operations: ['90-34=56', '56-5=51'] Exploring Operation: 74*51=3774, Resulting Numbers: [3774] 3774,46 unequal: No Solution Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 74+51=125, Resulting Numbers: [125] 125,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[34, 74, 18], Operations: ['90/5=18'] Exploring Operation: 74-34=40, Resulting Numbers: [18, 40] Generated Node #0,0,0: 46:[18, 40] Operation: 74-34=40 Exploring Operation: 34+18=52, Resulting Numbers: [74, 52] Generated Node #0,0,1: 46:[74, 52] Operation: 34+18=52 Exploring Operation: 74-18=56, Resulting Numbers: [34, 56] Generated Node #0,0,2: 46:[34, 56] Operation: 74-18=56 Moving to Node #0,0,0 Current State: 46:[18, 40], Operations: ['90/5=18', '74-34=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,46 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[34, 56], Operations: ['90/5=18', '74-18=56'] Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[74, 52], Operations: ['90/5=18', '34+18=52'] Exploring Operation: 74+52=126, Resulting Numbers: [126] 126,46 unequal: No Solution Exploring Operation: 74*52=3848, Resulting Numbers: [3848] 3848,46 unequal: No Solution Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 21, 84, 35, 92 ]
61
[ "84/21=4", "92-35=57", "4+57=61" ]
Current State: 61:[21, 84, 35, 92], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [35, 92, 4] Generated Node #2: [35, 92, 4] from Operation: 84/21=4 Current State: 61:[35, 92, 4], Operations: ['84/21=4'] Exploring Operation: 92-35=57, Resulting Numbers: [4, 57] Generated Node #3: [4, 57] from Operation: 92-35=57 Current State: 61:[4, 57], Operations: ['84/21=4', '92-35=57'] Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[21, 84, 35, 92], Operations: [] Exploring Operation: 21+35=56, Resulting Numbers: [84, 92, 56] Generated Node #0,0: 61:[84, 92, 56] Operation: 21+35=56 Exploring Operation: 92-35=57, Resulting Numbers: [21, 84, 57] Generated Node #0,1: 61:[21, 84, 57] Operation: 92-35=57 Exploring Operation: 84-21=63, Resulting Numbers: [35, 92, 63] Generated Node #0,2: 61:[35, 92, 63] Operation: 84-21=63 Exploring Operation: 92-21=71, Resulting Numbers: [84, 35, 71] Generated Node #0,3: 61:[84, 35, 71] Operation: 92-21=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[84, 92, 56], Operations: ['21+35=56'] Exploring Operation: 84-56=28, Resulting Numbers: [92, 28] Generated Node #0,0,0: 61:[92, 28] Operation: 84-56=28 Exploring Operation: 84+56=140, Resulting Numbers: [92, 140] Generated Node #0,0,1: 61:[92, 140] Operation: 84+56=140 Exploring Operation: 92-84=8, Resulting Numbers: [56, 8] Generated Node #0,0,2: 61:[56, 8] Operation: 92-84=8 Exploring Operation: 92-56=36, Resulting Numbers: [84, 36] Generated Node #0,0,3: 61:[84, 36] Operation: 92-56=36 Moving to Node #0,0,3 Current State: 61:[84, 36], Operations: ['21+35=56', '92-56=36'] Exploring Operation: 84+36=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 84*36=3024, Resulting Numbers: [3024] 3024,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[56, 8], Operations: ['21+35=56', '92-84=8'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,61 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[92, 28], Operations: ['21+35=56', '84-56=28'] Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,61 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[92, 140], Operations: ['21+35=56', '84+56=140'] Exploring Operation: 92*140=12880, Resulting Numbers: [12880] 12880,61 unequal: No Solution Exploring Operation: 140-92=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 92+140=232, Resulting Numbers: [232] 232,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[35, 92, 63], Operations: ['84-21=63'] Exploring Operation: 63-35=28, Resulting Numbers: [92, 28] Generated Node #0,2,0: 61:[92, 28] Operation: 63-35=28 Exploring Operation: 92-63=29, Resulting Numbers: [35, 29] Generated Node #0,2,1: 61:[35, 29] Operation: 92-63=29 Exploring Operation: 35+92=127, Resulting Numbers: [63, 127] Generated Node #0,2,2: 61:[63, 127] Operation: 35+92=127 Exploring Operation: 92-35=57, Resulting Numbers: [63, 57] Generated Node #0,2,3: 61:[63, 57] Operation: 92-35=57 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 61:[63, 57], Operations: ['84-21=63', '92-35=57'] Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 63*57=3591, Resulting Numbers: [3591] 3591,61 unequal: No Solution Exploring Operation: 63+57=120, Resulting Numbers: [120] 120,61 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 #0,2,1 Current State: 61:[35, 29], Operations: ['84-21=63', '92-63=29'] Exploring Operation: 35+29=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 35*29=1015, Resulting Numbers: [1015] 1015,61 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,61 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 #0,2,0 Current State: 61:[92, 28], Operations: ['84-21=63', '63-35=28'] Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,61 unequal: No Solution Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,61 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 #0,2,2 Current State: 61:[63, 127], Operations: ['84-21=63', '35+92=127'] Exploring Operation: 63*127=8001, Resulting Numbers: [8001] 8001,61 unequal: No Solution Exploring Operation: 63+127=190, Resulting Numbers: [190] 190,61 unequal: No Solution Exploring Operation: 127-63=64, Resulting Numbers: [64] 64,61 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 #0,3 Current State: 61:[84, 35, 71], Operations: ['92-21=71'] Exploring Operation: 84+35=119, Resulting Numbers: [71, 119] Generated Node #0,3,0: 61:[71, 119] Operation: 84+35=119 Exploring Operation: 71-35=36, Resulting Numbers: [84, 36] Generated Node #0,3,1: 61:[84, 36] Operation: 71-35=36 Exploring Operation: 35+71=106, Resulting Numbers: [84, 106] Generated Node #0,3,2: 61:[84, 106] Operation: 35+71=106 Exploring Operation: 84-35=49, Resulting Numbers: [71, 49] Generated Node #0,3,3: 61:[71, 49] Operation: 84-35=49 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 61:[71, 49], Operations: ['92-21=71', '84-35=49'] Exploring Operation: 71*49=3479, Resulting Numbers: [3479] 3479,61 unequal: No Solution Exploring Operation: 71+49=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,61 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 #0,3,1 Current State: 61:[84, 36], Operations: ['92-21=71', '71-35=36'] Exploring Operation: 84*36=3024, Resulting Numbers: [3024] 3024,61 unequal: No Solution Exploring Operation: 84+36=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,61 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 #0,3,0 Current State: 61:[71, 119], Operations: ['92-21=71', '84+35=119'] Exploring Operation: 71*119=8449, Resulting Numbers: [8449] 8449,61 unequal: No Solution Exploring Operation: 71+119=190, Resulting Numbers: [190] 190,61 unequal: No Solution Exploring Operation: 119-71=48, Resulting Numbers: [48] 48,61 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 #0,3,2 Current State: 61:[84, 106], Operations: ['92-21=71', '35+71=106'] Exploring Operation: 84*106=8904, Resulting Numbers: [8904] 8904,61 unequal: No Solution Exploring Operation: 84+106=190, Resulting Numbers: [190] 190,61 unequal: No Solution Exploring Operation: 106-84=22, Resulting Numbers: [22] 22,61 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:[21, 84, 57], Operations: ['92-35=57'] Exploring Operation: 57-21=36, Resulting Numbers: [84, 36] Generated Node #0,1,0: 61:[84, 36] Operation: 57-21=36 Exploring Operation: 21+84=105, Resulting Numbers: [57, 105] Generated Node #0,1,1: 61:[57, 105] Operation: 21+84=105 Exploring Operation: 21+57=78, Resulting Numbers: [84, 78] Generated Node #0,1,2: 61:[84, 78] Operation: 21+57=78 Exploring Operation: 84-21=63, Resulting Numbers: [57, 63] Generated Node #0,1,3: 61:[57, 63] Operation: 84-21=63 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[57, 63], Operations: ['92-35=57', '84-21=63'] Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,61 unequal: No Solution Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,61 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 #0,1,2 Current State: 61:[84, 78], Operations: ['92-35=57', '21+57=78'] Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,61 unequal: No Solution Exploring Operation: 84*78=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 #0,1,0 Current State: 61:[84, 36], Operations: ['92-35=57', '57-21=36'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 84+36=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 84*36=3024, Resulting Numbers: [3024] 3024,61 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 #0,1,1 Current State: 61:[57, 105], Operations: ['92-35=57', '21+84=105'] Exploring Operation: 105-57=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 57+105=162, Resulting Numbers: [162] 162,61 unequal: No Solution Exploring Operation: 57*105=5985, Resulting Numbers: [5985] 5985,61 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_4
sum_heuristic
[ 28, 90, 60, 91 ]
88
[ "28+60=88", "91-90=1", "88*1=88" ]
Current State: 88:[28, 90, 60, 91], Operations: [] Exploring Operation: 28+60=88, Resulting Numbers: [90, 91, 88] Generated Node #2: [90, 91, 88] from Operation: 28+60=88 Current State: 88:[90, 91, 88], Operations: ['28+60=88'] Exploring Operation: 91-90=1, Resulting Numbers: [88, 1] Generated Node #3: [88, 1] from Operation: 91-90=1 Current State: 88:[88, 1], Operations: ['28+60=88', '91-90=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[28, 90, 60, 91], Operations: [] Exploring Operation: 28+60=88, Resulting Numbers: [90, 91, 88] Generated Node #0,0: 88:[90, 91, 88] Operation: 28+60=88 Exploring Operation: 90-60=30, Resulting Numbers: [28, 91, 30] Generated Node #0,1: 88:[28, 91, 30] Operation: 90-60=30 Exploring Operation: 60-28=32, Resulting Numbers: [90, 91, 32] Generated Node #0,2: 88:[90, 91, 32] Operation: 60-28=32 Exploring Operation: 91-60=31, Resulting Numbers: [28, 90, 31] Generated Node #0,3: 88:[28, 90, 31] Operation: 91-60=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[90, 91, 88], Operations: ['28+60=88'] Exploring Operation: 90-88=2, Resulting Numbers: [91, 2] Generated Node #0,0,0: 88:[91, 2] Operation: 90-88=2 Exploring Operation: 90+91=181, Resulting Numbers: [88, 181] Generated Node #0,0,1: 88:[88, 181] Operation: 90+91=181 Exploring Operation: 91-88=3, Resulting Numbers: [90, 3] Generated Node #0,0,2: 88:[90, 3] Operation: 91-88=3 Exploring Operation: 91-90=1, Resulting Numbers: [88, 1] Generated Node #0,0,3: 88:[88, 1] Operation: 91-90=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[88, 1], Operations: ['28+60=88', '91-90=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[28, 90, 60, 91], Operations: [] Exploring Operation: 28+60=88, Resulting Numbers: [90, 91, 88] Generated Node #0,0: 88:[90, 91, 88] Operation: 28+60=88 Moving to Node #0,0 Current State: 88:[90, 91, 88], Operations: ['28+60=88'] Exploring Operation: 91-90=1, Resulting Numbers: [88, 1] Generated Node #0,0,3: 88:[88, 1] Operation: 91-90=1 Moving to Node #0,0,3 Current State: 88:[88, 1], Operations: ['28+60=88', '91-90=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 15, 9, 90, 42 ]
67
[ "15+42=57", "90/9=10", "57+10=67" ]
Current State: 67:[15, 9, 90, 42], Operations: [] Exploring Operation: 15+42=57, Resulting Numbers: [9, 90, 57] Generated Node #2: [9, 90, 57] from Operation: 15+42=57 Current State: 67:[9, 90, 57], Operations: ['15+42=57'] Exploring Operation: 90/9=10, Resulting Numbers: [57, 10] Generated Node #3: [57, 10] from Operation: 90/9=10 Current State: 67:[57, 10], Operations: ['15+42=57', '90/9=10'] Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[15, 9, 90, 42], Operations: [] Exploring Operation: 15+9=24, Resulting Numbers: [90, 42, 24] Generated Node #0,0: 67:[90, 42, 24] Operation: 15+9=24 Exploring Operation: 90-15=75, Resulting Numbers: [9, 42, 75] Generated Node #0,1: 67:[9, 42, 75] Operation: 90-15=75 Exploring Operation: 15+42=57, Resulting Numbers: [9, 90, 57] Generated Node #0,2: 67:[9, 90, 57] Operation: 15+42=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[90, 42, 24], Operations: ['15+9=24'] Exploring Operation: 90-24=66, Resulting Numbers: [42, 66] Generated Node #0,0,0: 67:[42, 66] Operation: 90-24=66 Exploring Operation: 42+24=66, Resulting Numbers: [90, 66] Generated Node #0,0,1: 67:[90, 66] Operation: 42+24=66 Exploring Operation: 90-42=48, Resulting Numbers: [24, 48] Generated Node #0,0,2: 67:[24, 48] Operation: 90-42=48 Moving to Node #0,0,1 Current State: 67:[90, 66], Operations: ['15+9=24', '42+24=66'] Exploring Operation: 90+66=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 90*66=5940, Resulting Numbers: [5940] 5940,67 unequal: No Solution Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[42, 66], Operations: ['15+9=24', '90-24=66'] Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,67 unequal: No Solution Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[24, 48], Operations: ['15+9=24', '90-42=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[9, 42, 75], Operations: ['90-15=75'] Exploring Operation: 42-9=33, Resulting Numbers: [75, 33] Generated Node #0,1,0: 67:[75, 33] Operation: 42-9=33 Exploring Operation: 75-9=66, Resulting Numbers: [42, 66] Generated Node #0,1,1: 67:[42, 66] Operation: 75-9=66 Exploring Operation: 9+42=51, Resulting Numbers: [75, 51] Generated Node #0,1,2: 67:[75, 51] Operation: 9+42=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[75, 51], Operations: ['90-15=75', '9+42=51'] Exploring Operation: 75*51=3825, Resulting Numbers: [3825] 3825,67 unequal: No Solution Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 75+51=126, Resulting Numbers: [126] 126,67 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:[42, 66], Operations: ['90-15=75', '75-9=66'] Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,67 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,67 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:[75, 33], Operations: ['90-15=75', '42-9=33'] Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,67 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,67 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 #0,2 Current State: 67:[9, 90, 57], Operations: ['15+42=57'] Exploring Operation: 9+57=66, Resulting Numbers: [90, 66] Generated Node #0,2,0: 67:[90, 66] Operation: 9+57=66 Exploring Operation: 9+90=99, Resulting Numbers: [57, 99] Generated Node #0,2,1: 67:[57, 99] Operation: 9+90=99 Exploring Operation: 90-9=81, Resulting Numbers: [57, 81] Generated Node #0,2,2: 67:[57, 81] Operation: 90-9=81 Moving to Node #0,2,0 Current State: 67:[90, 66], Operations: ['15+42=57', '9+57=66'] Exploring Operation: 90+66=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 90*66=5940, Resulting Numbers: [5940] 5940,67 unequal: No Solution Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[57, 81], Operations: ['15+42=57', '90-9=81'] Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 57*81=4617, Resulting Numbers: [4617] 4617,67 unequal: No Solution Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[57, 99], Operations: ['15+42=57', '9+90=99'] Exploring Operation: 99-57=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 57+99=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 57*99=5643, Resulting Numbers: [5643] 5643,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 94, 65, 58, 7 ]
93
[ "65-58=7", "7/7=1", "94-1=93" ]
Current State: 93:[94, 65, 58, 7], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [94, 7, 7] Generated Node #2: [94, 7, 7] from Operation: 65-58=7 Current State: 93:[94, 7, 7], Operations: ['65-58=7'] Exploring Operation: 7/7=1, Resulting Numbers: [94, 1] Generated Node #3: [94, 1] from Operation: 7/7=1 Current State: 93:[94, 1], Operations: ['65-58=7', '7/7=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[94, 65, 58, 7], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [65, 7, 36] Generated Node #0,0: 93:[65, 7, 36] Operation: 94-58=36 Exploring Operation: 65-58=7, Resulting Numbers: [94, 7, 7] Generated Node #0,1: 93:[94, 7, 7] Operation: 65-58=7 Exploring Operation: 94-65=29, Resulting Numbers: [58, 7, 29] Generated Node #0,2: 93:[58, 7, 29] Operation: 94-65=29 Exploring Operation: 65+58=123, Resulting Numbers: [94, 7, 123] Generated Node #0,3: 93:[94, 7, 123] Operation: 65+58=123 Moving to Node #0,1 Current State: 93:[94, 7, 7], Operations: ['65-58=7'] Exploring Operation: 94-7=87, Resulting Numbers: [7, 87] Generated Node #0,1,0: 93:[7, 87] Operation: 94-7=87 Exploring Operation: 7/7=1, Resulting Numbers: [94, 1] Generated Node #0,1,1: 93:[94, 1] Operation: 7/7=1 Exploring Operation: 94-7=87, Resulting Numbers: [7, 87] Generated Node #0,1,2: 93:[7, 87] Operation: 94-7=87 Exploring Operation: 7-7=0, Resulting Numbers: [94, 0] Generated Node #0,1,3: 93:[94, 0] Operation: 7-7=0 Moving to Node #0,2 Current State: 93:[58, 7, 29], Operations: ['94-65=29'] Exploring Operation: 58-29=29, Resulting Numbers: [7, 29] Generated Node #0,2,0: 93:[7, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [7, 2] Generated Node #0,2,1: 93:[7, 2] Operation: 58/29=2 Exploring Operation: 58-7=51, Resulting Numbers: [29, 51] Generated Node #0,2,2: 93:[29, 51] Operation: 58-7=51 Exploring Operation: 58+29=87, Resulting Numbers: [7, 87] Generated Node #0,2,3: 93:[7, 87] Operation: 58+29=87 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[7, 2], Operations: ['94-65=29', '58/29=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[7, 29], Operations: ['94-65=29', '58-29=29'] Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,93 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[7, 87], Operations: ['94-65=29', '58+29=87'] Exploring Operation: 7*87=609, Resulting Numbers: [609] 609,93 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[29, 51], Operations: ['94-65=29', '58-7=51'] Exploring Operation: 29+51=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 29*51=1479, Resulting Numbers: [1479] 1479,93 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: 93:[94, 7, 123], Operations: ['65+58=123'] Exploring Operation: 123-94=29, Resulting Numbers: [7, 29] Generated Node #0,3,0: 93:[7, 29] Operation: 123-94=29 Exploring Operation: 94+7=101, Resulting Numbers: [123, 101] Generated Node #0,3,1: 93:[123, 101] Operation: 94+7=101 Exploring Operation: 94-7=87, Resulting Numbers: [123, 87] Generated Node #0,3,2: 93:[123, 87] Operation: 94-7=87 Exploring Operation: 123-7=116, Resulting Numbers: [94, 116] Generated Node #0,3,3: 93:[94, 116] Operation: 123-7=116 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[7, 29], Operations: ['65+58=123', '123-94=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[94, 116], Operations: ['65+58=123', '123-7=116'] Exploring Operation: 116-94=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 94+116=210, Resulting Numbers: [210] 210,93 unequal: No Solution Exploring Operation: 94*116=10904, Resulting Numbers: [10904] 10904,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[123, 87], Operations: ['65+58=123', '94-7=87'] Exploring Operation: 123*87=10701, Resulting Numbers: [10701] 10701,93 unequal: No Solution Exploring Operation: 123+87=210, Resulting Numbers: [210] 210,93 unequal: No Solution Exploring Operation: 123-87=36, Resulting Numbers: [36] 36,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[123, 101], Operations: ['65+58=123', '94+7=101'] Exploring Operation: 123*101=12423, Resulting Numbers: [12423] 12423,93 unequal: No Solution Exploring Operation: 123+101=224, Resulting Numbers: [224] 224,93 unequal: No Solution Exploring Operation: 123-101=22, Resulting Numbers: [22] 22,93 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: 93:[65, 7, 36], Operations: ['94-58=36'] Exploring Operation: 65-36=29, Resulting Numbers: [7, 29] Generated Node #0,0,0: 93:[7, 29] Operation: 65-36=29 Exploring Operation: 65+7=72, Resulting Numbers: [36, 72] Generated Node #0,0,1: 93:[36, 72] Operation: 65+7=72 Exploring Operation: 65+36=101, Resulting Numbers: [7, 101] Generated Node #0,0,2: 93:[7, 101] Operation: 65+36=101 Exploring Operation: 36-7=29, Resulting Numbers: [65, 29] Generated Node #0,0,3: 93:[65, 29] Operation: 36-7=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[7, 29], Operations: ['94-58=36', '65-36=29'] Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,93 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[7, 101], Operations: ['94-58=36', '65+36=101'] Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 7*101=707, Resulting Numbers: [707] 707,93 unequal: No Solution Exploring Operation: 7+101=108, Resulting Numbers: [108] 108,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[36, 72], Operations: ['94-58=36', '65+7=72'] Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,93 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,93 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[65, 29], Operations: ['94-58=36', '36-7=29'] Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,93 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,93 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: 93:[94, 1], Operations: ['65-58=7', '7/7=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[94, 65, 58, 7], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [94, 7, 7] Generated Node #0,1: 93:[94, 7, 7] Operation: 65-58=7 Moving to Node #0,1 Current State: 93:[94, 7, 7], Operations: ['65-58=7'] Exploring Operation: 7/7=1, Resulting Numbers: [94, 1] Generated Node #0,1,1: 93:[94, 1] Operation: 7/7=1 Moving to Node #0,1,1 Current State: 93:[94, 1], Operations: ['65-58=7', '7/7=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.946181
hs_4
mult_heuristic
[ 24, 62, 30, 33 ]
89
[ "24+62=86", "33-30=3", "86+3=89" ]
Current State: 89:[24, 62, 30, 33], Operations: [] Exploring Operation: 24+62=86, Resulting Numbers: [30, 33, 86] Generated Node #2: [30, 33, 86] from Operation: 24+62=86 Current State: 89:[30, 33, 86], Operations: ['24+62=86'] Exploring Operation: 33-30=3, Resulting Numbers: [86, 3] Generated Node #3: [86, 3] from Operation: 33-30=3 Current State: 89:[86, 3], Operations: ['24+62=86', '33-30=3'] Exploring Operation: 86+3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[24, 62, 30, 33], Operations: [] Exploring Operation: 24+62=86, Resulting Numbers: [30, 33, 86] Generated Node #0,0: 89:[30, 33, 86] Operation: 24+62=86 Exploring Operation: 24+30=54, Resulting Numbers: [62, 33, 54] Generated Node #0,1: 89:[62, 33, 54] Operation: 24+30=54 Exploring Operation: 30+33=63, Resulting Numbers: [24, 62, 63] Generated Node #0,2: 89:[24, 62, 63] Operation: 30+33=63 Exploring Operation: 24+33=57, Resulting Numbers: [62, 30, 57] Generated Node #0,3: 89:[62, 30, 57] Operation: 24+33=57 Moving to Node #0,0 Current State: 89:[30, 33, 86], Operations: ['24+62=86'] Exploring Operation: 30+86=116, Resulting Numbers: [33, 116] Generated Node #0,0,0: 89:[33, 116] Operation: 30+86=116 Exploring Operation: 86-30=56, Resulting Numbers: [33, 56] Generated Node #0,0,1: 89:[33, 56] Operation: 86-30=56 Exploring Operation: 30+33=63, Resulting Numbers: [86, 63] Generated Node #0,0,2: 89:[86, 63] Operation: 30+33=63 Exploring Operation: 33-30=3, Resulting Numbers: [86, 3] Generated Node #0,0,3: 89:[86, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[86, 63], Operations: ['24+62=86', '30+33=63'] Exploring Operation: 86+63=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 86*63=5418, Resulting Numbers: [5418] 5418,89 unequal: No Solution Exploring Operation: 86-63=23, Resulting Numbers: [23] 23,89 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:[33, 116], Operations: ['24+62=86', '30+86=116'] Exploring Operation: 33*116=3828, Resulting Numbers: [3828] 3828,89 unequal: No Solution Exploring Operation: 33+116=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 116-33=83, Resulting Numbers: [83] 83,89 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:[33, 56], Operations: ['24+62=86', '86-30=56'] Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,89 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[24, 62, 30, 33], Operations: [] Exploring Operation: 24+62=86, Resulting Numbers: [30, 33, 86] Generated Node #0,0: 89:[30, 33, 86] Operation: 24+62=86 Moving to Node #0,0 Current State: 89:[30, 33, 86], Operations: ['24+62=86'] Exploring Operation: 86-30=56, Resulting Numbers: [33, 56] Generated Node #0,0,1: 89:[33, 56] Operation: 86-30=56 Moving to Node #0,0,1 Current State: 89:[33, 56], Operations: ['24+62=86', '86-30=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 24, 30, 2, 88 ]
35
[ "30+88=118", "118/2=59", "59-24=35" ]
Current State: 35:[24, 30, 2, 88], Operations: [] Exploring Operation: 30+88=118, Resulting Numbers: [24, 2, 118] Generated Node #2: [24, 2, 118] from Operation: 30+88=118 Current State: 35:[24, 2, 118], Operations: ['30+88=118'] Exploring Operation: 118/2=59, Resulting Numbers: [24, 59] Generated Node #3: [24, 59] from Operation: 118/2=59 Current State: 35:[24, 59], Operations: ['30+88=118', '118/2=59'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[24, 30, 2, 88], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [24, 30, 44] Generated Node #0,0: 35:[24, 30, 44] Operation: 88/2=44 Exploring Operation: 88-24=64, Resulting Numbers: [30, 2, 64] Generated Node #0,1: 35:[30, 2, 64] Operation: 88-24=64 Exploring Operation: 88-30=58, Resulting Numbers: [24, 2, 58] Generated Node #0,2: 35:[24, 2, 58] Operation: 88-30=58 Exploring Operation: 30-24=6, Resulting Numbers: [2, 88, 6] Generated Node #0,3: 35:[2, 88, 6] Operation: 30-24=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[24, 30, 44], Operations: ['88/2=44'] Exploring Operation: 24+30=54, Resulting Numbers: [44, 54] Generated Node #0,0,0: 35:[44, 54] Operation: 24+30=54 Exploring Operation: 44-24=20, Resulting Numbers: [30, 20] Generated Node #0,0,1: 35:[30, 20] Operation: 44-24=20 Exploring Operation: 30-24=6, Resulting Numbers: [44, 6] Generated Node #0,0,2: 35:[44, 6] Operation: 30-24=6 Exploring Operation: 44-30=14, Resulting Numbers: [24, 14] Generated Node #0,0,3: 35:[24, 14] Operation: 44-30=14 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[44, 6], Operations: ['88/2=44', '30-24=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,35 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[30, 20], Operations: ['88/2=44', '44-24=20'] Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,35 unequal: No Solution Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 35:[24, 14], Operations: ['88/2=44', '44-30=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,35 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[44, 54], Operations: ['88/2=44', '24+30=54'] Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,35 unequal: No Solution Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,35 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[30, 2, 64], Operations: ['88-24=64'] Exploring Operation: 64/2=32, Resulting Numbers: [30, 32] Generated Node #0,1,0: 35:[30, 32] Operation: 64/2=32 Exploring Operation: 64-30=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 35:[2, 34] Operation: 64-30=34 Exploring Operation: 30+2=32, Resulting Numbers: [64, 32] Generated Node #0,1,2: 35:[64, 32] Operation: 30+2=32 Exploring Operation: 64-2=62, Resulting Numbers: [30, 62] Generated Node #0,1,3: 35:[30, 62] Operation: 64-2=62 Moving to Node #0,1,1 Current State: 35:[2, 34], Operations: ['88-24=64', '64-30=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[30, 32], Operations: ['88-24=64', '64/2=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[30, 62], Operations: ['88-24=64', '64-2=62'] Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,35 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[64, 32], Operations: ['88-24=64', '30+2=32'] Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,35 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 64*32=2048, Resulting Numbers: [2048] 2048,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[24, 2, 58], Operations: ['88-30=58'] Exploring Operation: 24/2=12, Resulting Numbers: [58, 12] Generated Node #0,2,0: 35:[58, 12] Operation: 24/2=12 Exploring Operation: 58-24=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 35:[2, 34] Operation: 58-24=34 Exploring Operation: 24+2=26, Resulting Numbers: [58, 26] Generated Node #0,2,2: 35:[58, 26] Operation: 24+2=26 Exploring Operation: 58/2=29, Resulting Numbers: [24, 29] Generated Node #0,2,3: 35:[24, 29] Operation: 58/2=29 Moving to Node #0,2,1 Current State: 35:[2, 34], Operations: ['88-30=58', '58-24=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[24, 29], Operations: ['88-30=58', '58/2=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[58, 12], Operations: ['88-30=58', '24/2=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,35 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[58, 26], Operations: ['88-30=58', '24+2=26'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 58+26=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 58*26=1508, Resulting Numbers: [1508] 1508,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[2, 88, 6], Operations: ['30-24=6'] Exploring Operation: 2+6=8, Resulting Numbers: [88, 8] Generated Node #0,3,0: 35:[88, 8] Operation: 2+6=8 Exploring Operation: 88-6=82, Resulting Numbers: [2, 82] Generated Node #0,3,1: 35:[2, 82] Operation: 88-6=82 Exploring Operation: 88/2=44, Resulting Numbers: [6, 44] Generated Node #0,3,2: 35:[6, 44] Operation: 88/2=44 Exploring Operation: 88-2=86, Resulting Numbers: [6, 86] Generated Node #0,3,3: 35:[6, 86] Operation: 88-2=86 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 35:[6, 44], Operations: ['30-24=6', '88/2=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,35 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 35:[2, 82], Operations: ['30-24=6', '88-6=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,35 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 35:[6, 86], Operations: ['30-24=6', '88-2=86'] Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 6*86=516, Resulting Numbers: [516] 516,35 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 35:[88, 8], Operations: ['30-24=6', '2+6=8'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,35 unequal: No Solution Exploring Operation: 88*8=704, Resulting Numbers: [704] 704,35 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 79, 55, 39, 29 ]
92
[ "79-55=24", "39+29=68", "24+68=92" ]
Current State: 92:[79, 55, 39, 29], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [39, 29, 24] Generated Node #2: [39, 29, 24] from Operation: 79-55=24 Current State: 92:[39, 29, 24], Operations: ['79-55=24'] Exploring Operation: 39+29=68, Resulting Numbers: [24, 68] Generated Node #3: [24, 68] from Operation: 39+29=68 Current State: 92:[24, 68], Operations: ['79-55=24', '39+29=68'] Exploring Operation: 24+68=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[79, 55, 39, 29], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [39, 29, 24] Generated Node #0,0: 92:[39, 29, 24] Operation: 79-55=24 Moving to Node #0,0 Current State: 92:[39, 29, 24], Operations: ['79-55=24'] Exploring Operation: 39-29=10, Resulting Numbers: [24, 10] Generated Node #0,0,0: 92:[24, 10] Operation: 39-29=10 Moving to Node #0,0,0 Current State: 92:[24, 10], Operations: ['79-55=24', '39-29=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 47, 27, 27, 12 ]
58
[ "47+12=59", "27/27=1", "59-1=58" ]
Current State: 58:[47, 27, 27, 12], Operations: [] Exploring Operation: 47+12=59, Resulting Numbers: [27, 27, 59] Generated Node #2: [27, 27, 59] from Operation: 47+12=59 Current State: 58:[27, 27, 59], Operations: ['47+12=59'] Exploring Operation: 27/27=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 27/27=1 Current State: 58:[59, 1], Operations: ['47+12=59', '27/27=1'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 27, 27, 12], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [27, 12, 20] Generated Node #0,0: 58:[27, 12, 20] Operation: 47-27=20 Exploring Operation: 47+12=59, Resulting Numbers: [27, 27, 59] Generated Node #0,1: 58:[27, 27, 59] Operation: 47+12=59 Exploring Operation: 47-12=35, Resulting Numbers: [27, 27, 35] Generated Node #0,2: 58:[27, 27, 35] Operation: 47-12=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[27, 27, 59], Operations: ['47+12=59'] Exploring Operation: 27-27=0, Resulting Numbers: [59, 0] Generated Node #0,1,0: 58:[59, 0] Operation: 27-27=0 Exploring Operation: 27+27=54, Resulting Numbers: [59, 54] Generated Node #0,1,1: 58:[59, 54] Operation: 27+27=54 Exploring Operation: 27/27=1, Resulting Numbers: [59, 1] Generated Node #0,1,2: 58:[59, 1] Operation: 27/27=1 Moving to Node #0,1,2 Current State: 58:[59, 1], Operations: ['47+12=59', '27/27=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,58 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,58 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[47, 27, 27, 12], Operations: [] Exploring Operation: 47+12=59, Resulting Numbers: [27, 27, 59] Generated Node #0,1: 58:[27, 27, 59] Operation: 47+12=59 Moving to Node #0,1 Current State: 58:[27, 27, 59], Operations: ['47+12=59'] Exploring Operation: 27/27=1, Resulting Numbers: [59, 1] Generated Node #0,1,2: 58:[59, 1] Operation: 27/27=1 Moving to Node #0,1,2 Current State: 58:[59, 1], Operations: ['47+12=59', '27/27=1'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 86, 18, 58, 88 ]
67
[ "88-86=2", "18/2=9", "58+9=67" ]
Current State: 67:[86, 18, 58, 88], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [18, 58, 2] Generated Node #2: [18, 58, 2] from Operation: 88-86=2 Current State: 67:[18, 58, 2], Operations: ['88-86=2'] Exploring Operation: 18/2=9, Resulting Numbers: [58, 9] Generated Node #3: [58, 9] from Operation: 18/2=9 Current State: 67:[58, 9], Operations: ['88-86=2', '18/2=9'] Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[86, 18, 58, 88], Operations: [] Exploring Operation: 86-18=68, Resulting Numbers: [58, 88, 68] Generated Node #0,0: 67:[58, 88, 68] Operation: 86-18=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[58, 88, 68], Operations: ['86-18=68'] Exploring Operation: 88-58=30, Resulting Numbers: [68, 30] Generated Node #0,0,0: 67:[68, 30] Operation: 88-58=30 Moving to Node #0,0,0 Current State: 67:[68, 30], Operations: ['86-18=68', '88-58=30'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,67 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
[ 52, 19, 30, 33 ]
49
[ "30-19=11", "33/11=3", "52-3=49" ]
Current State: 49:[52, 19, 30, 33], Operations: [] Exploring Operation: 30-19=11, Resulting Numbers: [52, 33, 11] Generated Node #2: [52, 33, 11] from Operation: 30-19=11 Current State: 49:[52, 33, 11], Operations: ['30-19=11'] Exploring Operation: 33/11=3, Resulting Numbers: [52, 3] Generated Node #3: [52, 3] from Operation: 33/11=3 Current State: 49:[52, 3], Operations: ['30-19=11', '33/11=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[52, 19, 30, 33], Operations: [] Exploring Operation: 19+30=49, Resulting Numbers: [52, 33, 49] Generated Node #0,0: 49:[52, 33, 49] Operation: 19+30=49 Moving to Node #0,0 Current State: 49:[52, 33, 49], Operations: ['19+30=49'] Exploring Operation: 52-33=19, Resulting Numbers: [49, 19] Generated Node #0,0,0: 49:[49, 19] Operation: 52-33=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[49, 19], Operations: ['19+30=49', '52-33=19'] Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 22, 91, 45 ]
44
[ "22-19=3", "45*3=135", "135-91=44" ]
Current State: 44:[19, 22, 91, 45], Operations: [] Exploring Operation: 22-19=3, Resulting Numbers: [91, 45, 3] Generated Node #2: [91, 45, 3] from Operation: 22-19=3 Current State: 44:[91, 45, 3], Operations: ['22-19=3'] Exploring Operation: 45*3=135, Resulting Numbers: [91, 135] Generated Node #3: [91, 135] from Operation: 45*3=135 Current State: 44:[91, 135], Operations: ['22-19=3', '45*3=135'] Exploring Operation: 135-91=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[19, 22, 91, 45], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [19, 22, 46] Generated Node #0,0: 44:[19, 22, 46] Operation: 91-45=46 Moving to Node #0,0 Current State: 44:[19, 22, 46], Operations: ['91-45=46'] Exploring Operation: 22-19=3, Resulting Numbers: [46, 3] Generated Node #0,0,0: 44:[46, 3] Operation: 22-19=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[46, 3], Operations: ['91-45=46', '22-19=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,44 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
[ 35, 59, 67, 82 ]
55
[ "35+59=94", "67+82=149", "149-94=55" ]
Current State: 55:[35, 59, 67, 82], Operations: [] Exploring Operation: 35+59=94, Resulting Numbers: [67, 82, 94] Generated Node #2: [67, 82, 94] from Operation: 35+59=94 Current State: 55:[67, 82, 94], Operations: ['35+59=94'] Exploring Operation: 67+82=149, Resulting Numbers: [94, 149] Generated Node #3: [94, 149] from Operation: 67+82=149 Current State: 55:[94, 149], Operations: ['35+59=94', '67+82=149'] Exploring Operation: 149-94=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[35, 59, 67, 82], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [35, 67, 23] Generated Node #0,0: 55:[35, 67, 23] Operation: 82-59=23 Exploring Operation: 82-35=47, Resulting Numbers: [59, 67, 47] Generated Node #0,1: 55:[59, 67, 47] Operation: 82-35=47 Exploring Operation: 82-67=15, Resulting Numbers: [35, 59, 15] Generated Node #0,2: 55:[35, 59, 15] Operation: 82-67=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[59, 67, 47], Operations: ['82-35=47'] Exploring Operation: 67-47=20, Resulting Numbers: [59, 20] Generated Node #0,1,0: 55:[59, 20] Operation: 67-47=20 Exploring Operation: 67-59=8, Resulting Numbers: [47, 8] Generated Node #0,1,1: 55:[47, 8] Operation: 67-59=8 Exploring Operation: 59-47=12, Resulting Numbers: [67, 12] Generated Node #0,1,2: 55:[67, 12] Operation: 59-47=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[47, 8], Operations: ['82-35=47', '67-59=8'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,55 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[35, 59, 67, 82], Operations: [] Exploring Operation: 82-35=47, Resulting Numbers: [59, 67, 47] Generated Node #0,1: 55:[59, 67, 47] Operation: 82-35=47 Moving to Node #0,1 Current State: 55:[59, 67, 47], Operations: ['82-35=47'] Exploring Operation: 67-59=8, Resulting Numbers: [47, 8] Generated Node #0,1,1: 55:[47, 8] Operation: 67-59=8 Moving to Node #0,1,1 Current State: 55:[47, 8], Operations: ['82-35=47', '67-59=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 1, 2, 46, 59 ]
74
[ "1+59=60", "2*60=120", "120-46=74" ]
Current State: 74:[1, 2, 46, 59], Operations: [] Exploring Operation: 1+59=60, Resulting Numbers: [2, 46, 60] Generated Node #2: [2, 46, 60] from Operation: 1+59=60 Current State: 74:[2, 46, 60], Operations: ['1+59=60'] Exploring Operation: 2*60=120, Resulting Numbers: [46, 120] Generated Node #3: [46, 120] from Operation: 2*60=120 Current State: 74:[46, 120], Operations: ['1+59=60', '2*60=120'] Exploring Operation: 120-46=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[1, 2, 46, 59], Operations: [] Exploring Operation: 59-46=13, Resulting Numbers: [1, 2, 13] Generated Node #0,0: 74:[1, 2, 13] Operation: 59-46=13 Moving to Node #0,0 Current State: 74:[1, 2, 13], Operations: ['59-46=13'] Exploring Operation: 13-1=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 74:[2, 12] Operation: 13-1=12 Moving to Node #0,0,0 Current State: 74:[2, 12], Operations: ['59-46=13', '13-1=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,74 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 32, 68, 72 ]
57
[ "29+32=61", "72-68=4", "61-4=57" ]
Current State: 57:[29, 32, 68, 72], Operations: [] Exploring Operation: 29+32=61, Resulting Numbers: [68, 72, 61] Generated Node #2: [68, 72, 61] from Operation: 29+32=61 Current State: 57:[68, 72, 61], Operations: ['29+32=61'] Exploring Operation: 72-68=4, Resulting Numbers: [61, 4] Generated Node #3: [61, 4] from Operation: 72-68=4 Current State: 57:[61, 4], Operations: ['29+32=61', '72-68=4'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[29, 32, 68, 72], Operations: [] Exploring Operation: 72-32=40, Resulting Numbers: [29, 68, 40] Generated Node #0,0: 57:[29, 68, 40] Operation: 72-32=40 Exploring Operation: 32-29=3, Resulting Numbers: [68, 72, 3] Generated Node #0,1: 57:[68, 72, 3] Operation: 32-29=3 Exploring Operation: 72-68=4, Resulting Numbers: [29, 32, 4] Generated Node #0,2: 57:[29, 32, 4] Operation: 72-68=4 Exploring Operation: 72-29=43, Resulting Numbers: [32, 68, 43] Generated Node #0,3: 57:[32, 68, 43] Operation: 72-29=43 Exploring Operation: 29+32=61, Resulting Numbers: [68, 72, 61] Generated Node #0,4: 57:[68, 72, 61] Operation: 29+32=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[29, 32, 4], Operations: ['72-68=4'] Exploring Operation: 29-4=25, Resulting Numbers: [32, 25] Generated Node #0,2,0: 57:[32, 25] Operation: 29-4=25 Exploring Operation: 29+32=61, Resulting Numbers: [4, 61] Generated Node #0,2,1: 57:[4, 61] Operation: 29+32=61 Exploring Operation: 32-4=28, Resulting Numbers: [29, 28] Generated Node #0,2,2: 57:[29, 28] Operation: 32-4=28 Exploring Operation: 32-29=3, Resulting Numbers: [4, 3] Generated Node #0,2,3: 57:[4, 3] Operation: 32-29=3 Exploring Operation: 32/4=8, Resulting Numbers: [29, 8] Generated Node #0,2,4: 57:[29, 8] Operation: 32/4=8 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[4, 3], Operations: ['72-68=4', '32-29=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,57 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,57 unequal: No Solution No 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: 57:[4, 61], Operations: ['72-68=4', '29+32=61'] Exploring Operation: 4*61=244, Resulting Numbers: [244] 244,57 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[29, 32, 68, 72], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [29, 32, 4] Generated Node #0,2: 57:[29, 32, 4] Operation: 72-68=4 Moving to Node #0,2 Current State: 57:[29, 32, 4], Operations: ['72-68=4'] Exploring Operation: 29+32=61, Resulting Numbers: [4, 61] Generated Node #0,2,1: 57:[4, 61] Operation: 29+32=61 Moving to Node #0,2,1 Current State: 57:[4, 61], Operations: ['72-68=4', '29+32=61'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 39, 78, 32, 54 ]
95
[ "39+78=117", "54-32=22", "117-22=95" ]
Current State: 95:[39, 78, 32, 54], Operations: [] Exploring Operation: 39+78=117, Resulting Numbers: [32, 54, 117] Generated Node #2: [32, 54, 117] from Operation: 39+78=117 Current State: 95:[32, 54, 117], Operations: ['39+78=117'] Exploring Operation: 54-32=22, Resulting Numbers: [117, 22] Generated Node #3: [117, 22] from Operation: 54-32=22 Current State: 95:[117, 22], Operations: ['39+78=117', '54-32=22'] Exploring Operation: 117-22=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[39, 78, 32, 54], Operations: [] Exploring Operation: 32+54=86, Resulting Numbers: [39, 78, 86] Generated Node #0,0: 95:[39, 78, 86] Operation: 32+54=86 Exploring Operation: 78-54=24, Resulting Numbers: [39, 32, 24] Generated Node #0,1: 95:[39, 32, 24] Operation: 78-54=24 Exploring Operation: 39+54=93, Resulting Numbers: [78, 32, 93] Generated Node #0,2: 95:[78, 32, 93] Operation: 39+54=93 Exploring Operation: 54-39=15, Resulting Numbers: [78, 32, 15] Generated Node #0,3: 95:[78, 32, 15] Operation: 54-39=15 Exploring Operation: 54-32=22, Resulting Numbers: [39, 78, 22] Generated Node #0,4: 95:[39, 78, 22] Operation: 54-32=22 Moving to Node #0,2 Current State: 95:[78, 32, 93], Operations: ['39+54=93'] Exploring Operation: 78-32=46, Resulting Numbers: [93, 46] Generated Node #0,2,0: 95:[93, 46] Operation: 78-32=46 Exploring Operation: 93-32=61, Resulting Numbers: [78, 61] Generated Node #0,2,1: 95:[78, 61] Operation: 93-32=61 Exploring Operation: 93-78=15, Resulting Numbers: [32, 15] Generated Node #0,2,2: 95:[32, 15] Operation: 93-78=15 Exploring Operation: 32+93=125, Resulting Numbers: [78, 125] Generated Node #0,2,3: 95:[78, 125] Operation: 32+93=125 Exploring Operation: 78+32=110, Resulting Numbers: [93, 110] Generated Node #0,2,4: 95:[93, 110] Operation: 78+32=110 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[32, 15], Operations: ['39+54=93', '93-78=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,95 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,95 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 #0,2,4 Current State: 95:[93, 110], Operations: ['39+54=93', '78+32=110'] Exploring Operation: 93*110=10230, Resulting Numbers: [10230] 10230,95 unequal: No Solution Exploring Operation: 110-93=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 93+110=203, Resulting Numbers: [203] 203,95 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:[93, 46], Operations: ['39+54=93', '78-32=46'] Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,95 unequal: No Solution Exploring Operation: 93*46=4278, Resulting Numbers: [4278] 4278,95 unequal: No Solution Exploring Operation: 93+46=139, Resulting Numbers: [139] 139,95 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 #0,2,3 Current State: 95:[78, 125], Operations: ['39+54=93', '32+93=125'] Exploring Operation: 125-78=47, Resulting Numbers: [47] 47,95 unequal: No Solution Exploring Operation: 78+125=203, Resulting Numbers: [203] 203,95 unequal: No Solution Exploring Operation: 78*125=9750, Resulting Numbers: [9750] 9750,95 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 #0,2,1 Current State: 95:[78, 61], Operations: ['39+54=93', '93-32=61'] Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 78+61=139, Resulting Numbers: [139] 139,95 unequal: No Solution Exploring Operation: 78*61=4758, Resulting Numbers: [4758] 4758,95 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: 95:[78, 32, 15], Operations: ['54-39=15'] Exploring Operation: 78+32=110, Resulting Numbers: [15, 110] Generated Node #0,3,0: 95:[15, 110] Operation: 78+32=110 Exploring Operation: 78-15=63, Resulting Numbers: [32, 63] Generated Node #0,3,1: 95:[32, 63] Operation: 78-15=63 Exploring Operation: 78+15=93, Resulting Numbers: [32, 93] Generated Node #0,3,2: 95:[32, 93] Operation: 78+15=93 Exploring Operation: 78-32=46, Resulting Numbers: [15, 46] Generated Node #0,3,3: 95:[15, 46] Operation: 78-32=46 Exploring Operation: 32-15=17, Resulting Numbers: [78, 17] Generated Node #0,3,4: 95:[78, 17] Operation: 32-15=17 Moving to Node #0,1 Current State: 95:[39, 32, 24], Operations: ['78-54=24'] Exploring Operation: 39-32=7, Resulting Numbers: [24, 7] Generated Node #0,1,0: 95:[24, 7] Operation: 39-32=7 Exploring Operation: 39-24=15, Resulting Numbers: [32, 15] Generated Node #0,1,1: 95:[32, 15] Operation: 39-24=15 Exploring Operation: 39+32=71, Resulting Numbers: [24, 71] Generated Node #0,1,2: 95:[24, 71] Operation: 39+32=71 Exploring Operation: 39+24=63, Resulting Numbers: [32, 63] Generated Node #0,1,3: 95:[32, 63] Operation: 39+24=63 Exploring Operation: 32-24=8, Resulting Numbers: [39, 8] Generated Node #0,1,4: 95:[39, 8] Operation: 32-24=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[24, 7], Operations: ['78-54=24', '39-32=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,95 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[32, 15], Operations: ['78-54=24', '39-24=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,95 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 95:[39, 8], Operations: ['78-54=24', '32-24=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,95 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,95 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[24, 71], Operations: ['78-54=24', '39+32=71'] Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[39, 78, 32, 54], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [39, 32, 24] Generated Node #0,1: 95:[39, 32, 24] Operation: 78-54=24 Moving to Node #0,1 Current State: 95:[39, 32, 24], Operations: ['78-54=24'] Exploring Operation: 39+32=71, Resulting Numbers: [24, 71] Generated Node #0,1,2: 95:[24, 71] Operation: 39+32=71 Moving to Node #0,1,2 Current State: 95:[24, 71], Operations: ['78-54=24', '39+32=71'] Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_5
mult_heuristic
[ 69, 4, 68, 51 ]
72
[ "68/4=17", "51/17=3", "69+3=72" ]
Current State: 72:[69, 4, 68, 51], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [69, 51, 17] Generated Node #2: [69, 51, 17] from Operation: 68/4=17 Current State: 72:[69, 51, 17], Operations: ['68/4=17'] Exploring Operation: 51/17=3, Resulting Numbers: [69, 3] Generated Node #3: [69, 3] from Operation: 51/17=3 Current State: 72:[69, 3], Operations: ['68/4=17', '51/17=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[69, 4, 68, 51], Operations: [] Exploring Operation: 68-51=17, Resulting Numbers: [69, 4, 17] Generated Node #0,0: 72:[69, 4, 17] Operation: 68-51=17 Exploring Operation: 69-51=18, Resulting Numbers: [4, 68, 18] Generated Node #0,1: 72:[4, 68, 18] Operation: 69-51=18 Moving to Node #0,0 Current State: 72:[69, 4, 17], Operations: ['68-51=17'] Exploring Operation: 17-4=13, Resulting Numbers: [69, 13] Generated Node #0,0,0: 72:[69, 13] Operation: 17-4=13 Exploring Operation: 69+4=73, Resulting Numbers: [17, 73] Generated Node #0,0,1: 72:[17, 73] Operation: 69+4=73 Moving to Node #0,1 Current State: 72:[4, 68, 18], Operations: ['69-51=18'] Exploring Operation: 4+68=72, Resulting Numbers: [18, 72] Generated Node #0,1,0: 72:[18, 72] Operation: 4+68=72 Exploring Operation: 68/4=17, Resulting Numbers: [18, 17] Generated Node #0,1,1: 72:[18, 17] Operation: 68/4=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[18, 72], Operations: ['69-51=18', '4+68=72'] Exploring Operation: 18+72=90, Resulting Numbers: [90] 90,72 unequal: No Solution Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,72 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 #0,1,1 Current State: 72:[18, 17], Operations: ['69-51=18', '68/4=17'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,72 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: 72:[17, 73], Operations: ['68-51=17', '69+4=73'] Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 17+73=90, Resulting Numbers: [90] 90,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[69, 13], Operations: ['68-51=17', '17-4=13'] Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,72 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 84, 68, 4, 46 ]
50
[ "84-68=16", "16/4=4", "46+4=50" ]
Current State: 50:[84, 68, 4, 46], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [4, 46, 16] Generated Node #2: [4, 46, 16] from Operation: 84-68=16 Current State: 50:[4, 46, 16], Operations: ['84-68=16'] Exploring Operation: 16/4=4, Resulting Numbers: [46, 4] Generated Node #3: [46, 4] from Operation: 16/4=4 Current State: 50:[46, 4], Operations: ['84-68=16', '16/4=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[84, 68, 4, 46], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [68, 46, 21] Generated Node #0,0: 50:[68, 46, 21] Operation: 84/4=21 Exploring Operation: 84-68=16, Resulting Numbers: [4, 46, 16] Generated Node #0,1: 50:[4, 46, 16] Operation: 84-68=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[4, 46, 16], Operations: ['84-68=16'] Exploring Operation: 16/4=4, Resulting Numbers: [46, 4] Generated Node #0,1,0: 50:[46, 4] Operation: 16/4=4 Exploring Operation: 4+46=50, Resulting Numbers: [16, 50] Generated Node #0,1,1: 50:[16, 50] Operation: 4+46=50 Moving to Node #0,1,0 Current State: 50:[46, 4], Operations: ['84-68=16', '16/4=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[84, 68, 4, 46], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [4, 46, 16] Generated Node #0,1: 50:[4, 46, 16] Operation: 84-68=16 Moving to Node #0,1 Current State: 50:[4, 46, 16], Operations: ['84-68=16'] Exploring Operation: 16/4=4, Resulting Numbers: [46, 4] Generated Node #0,1,0: 50:[46, 4] Operation: 16/4=4 Moving to Node #0,1,0 Current State: 50:[46, 4], Operations: ['84-68=16', '16/4=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 75, 70, 26, 56 ]
25
[ "75-70=5", "56-26=30", "30-5=25" ]
Current State: 25:[75, 70, 26, 56], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [26, 56, 5] Generated Node #2: [26, 56, 5] from Operation: 75-70=5 Current State: 25:[26, 56, 5], Operations: ['75-70=5'] Exploring Operation: 56-26=30, Resulting Numbers: [5, 30] Generated Node #3: [5, 30] from Operation: 56-26=30 Current State: 25:[5, 30], Operations: ['75-70=5', '56-26=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[75, 70, 26, 56], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [70, 26, 19] Generated Node #0,0: 25:[70, 26, 19] Operation: 75-56=19 Exploring Operation: 70-56=14, Resulting Numbers: [75, 26, 14] Generated Node #0,1: 25:[75, 26, 14] Operation: 70-56=14 Exploring Operation: 75-70=5, Resulting Numbers: [26, 56, 5] Generated Node #0,2: 25:[26, 56, 5] Operation: 75-70=5 Moving to Node #0,2 Current State: 25:[26, 56, 5], Operations: ['75-70=5'] Exploring Operation: 26-5=21, Resulting Numbers: [56, 21] Generated Node #0,2,0: 25:[56, 21] Operation: 26-5=21 Exploring Operation: 56-26=30, Resulting Numbers: [5, 30] Generated Node #0,2,1: 25:[5, 30] Operation: 56-26=30 Exploring Operation: 56-5=51, Resulting Numbers: [26, 51] Generated Node #0,2,2: 25:[26, 51] Operation: 56-5=51 Moving to Node #0,0 Current State: 25:[70, 26, 19], Operations: ['75-56=19'] Exploring Operation: 26-19=7, Resulting Numbers: [70, 7] Generated Node #0,0,0: 25:[70, 7] Operation: 26-19=7 Exploring Operation: 70-19=51, Resulting Numbers: [26, 51] Generated Node #0,0,1: 25:[26, 51] Operation: 70-19=51 Exploring Operation: 70-26=44, Resulting Numbers: [19, 44] Generated Node #0,0,2: 25:[19, 44] Operation: 70-26=44 Moving to Node #0,1 Current State: 25:[75, 26, 14], Operations: ['70-56=14'] Exploring Operation: 26-14=12, Resulting Numbers: [75, 12] Generated Node #0,1,0: 25:[75, 12] Operation: 26-14=12 Exploring Operation: 75-14=61, Resulting Numbers: [26, 61] Generated Node #0,1,1: 25:[26, 61] Operation: 75-14=61 Exploring Operation: 75-26=49, Resulting Numbers: [14, 49] Generated Node #0,1,2: 25:[14, 49] Operation: 75-26=49 Moving to Node #0,2,1 Current State: 25:[5, 30], Operations: ['75-70=5', '56-26=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[75, 70, 26, 56], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [26, 56, 5] Generated Node #0,2: 25:[26, 56, 5] Operation: 75-70=5 Moving to Node #0,2 Current State: 25:[26, 56, 5], Operations: ['75-70=5'] Exploring Operation: 56-26=30, Resulting Numbers: [5, 30] Generated Node #0,2,1: 25:[5, 30] Operation: 56-26=30 Moving to Node #0,2,1 Current State: 25:[5, 30], Operations: ['75-70=5', '56-26=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 11, 53, 95, 8 ]
10
[ "11+95=106", "106/53=2", "8+2=10" ]
Current State: 10:[11, 53, 95, 8], Operations: [] Exploring Operation: 11+95=106, Resulting Numbers: [53, 8, 106] Generated Node #2: [53, 8, 106] from Operation: 11+95=106 Current State: 10:[53, 8, 106], Operations: ['11+95=106'] Exploring Operation: 106/53=2, Resulting Numbers: [8, 2] Generated Node #3: [8, 2] from Operation: 106/53=2 Current State: 10:[8, 2], Operations: ['11+95=106', '106/53=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[11, 53, 95, 8], Operations: [] Exploring Operation: 53-11=42, Resulting Numbers: [95, 8, 42] Generated Node #0,0: 10:[95, 8, 42] Operation: 53-11=42 Exploring Operation: 53-8=45, Resulting Numbers: [11, 95, 45] Generated Node #0,1: 10:[11, 95, 45] Operation: 53-8=45 Exploring Operation: 95-11=84, Resulting Numbers: [53, 8, 84] Generated Node #0,2: 10:[53, 8, 84] Operation: 95-11=84 Exploring Operation: 95-8=87, Resulting Numbers: [11, 53, 87] Generated Node #0,3: 10:[11, 53, 87] Operation: 95-8=87 Exploring Operation: 95-53=42, Resulting Numbers: [11, 8, 42] Generated Node #0,4: 10:[11, 8, 42] Operation: 95-53=42 Moving to Node #0,4 Current State: 10:[11, 8, 42], Operations: ['95-53=42'] Exploring Operation: 42-11=31, Resulting Numbers: [8, 31] Generated Node #0,4,0: 10:[8, 31] Operation: 42-11=31 Exploring Operation: 8+42=50, Resulting Numbers: [11, 50] Generated Node #0,4,1: 10:[11, 50] Operation: 8+42=50 Exploring Operation: 11-8=3, Resulting Numbers: [42, 3] Generated Node #0,4,2: 10:[42, 3] Operation: 11-8=3 Exploring Operation: 42-8=34, Resulting Numbers: [11, 34] Generated Node #0,4,3: 10:[11, 34] Operation: 42-8=34 Exploring Operation: 11+8=19, Resulting Numbers: [42, 19] Generated Node #0,4,4: 10:[42, 19] Operation: 11+8=19 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 10:[8, 31], Operations: ['95-53=42', '42-11=31'] Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,10 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 10:[11, 34], Operations: ['95-53=42', '42-8=34'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,10 unequal: No Solution Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 10:[42, 3], Operations: ['95-53=42', '11-8=3'] Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,10 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 10:[11, 50], Operations: ['95-53=42', '8+42=50'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 11*50=550, Resulting Numbers: [550] 550,10 unequal: No Solution Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[42, 19], Operations: ['95-53=42', '11+8=19'] Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,10 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,10 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: 10:[53, 8, 84], Operations: ['95-11=84'] Exploring Operation: 8+84=92, Resulting Numbers: [53, 92] Generated Node #0,2,0: 10:[53, 92] Operation: 8+84=92 Exploring Operation: 84-8=76, Resulting Numbers: [53, 76] Generated Node #0,2,1: 10:[53, 76] Operation: 84-8=76 Exploring Operation: 84-53=31, Resulting Numbers: [8, 31] Generated Node #0,2,2: 10:[8, 31] Operation: 84-53=31 Exploring Operation: 53+8=61, Resulting Numbers: [84, 61] Generated Node #0,2,3: 10:[84, 61] Operation: 53+8=61 Exploring Operation: 53-8=45, Resulting Numbers: [84, 45] Generated Node #0,2,4: 10:[84, 45] Operation: 53-8=45 Moving to Node #0,0 Current State: 10:[95, 8, 42], Operations: ['53-11=42'] Exploring Operation: 8+42=50, Resulting Numbers: [95, 50] Generated Node #0,0,0: 10:[95, 50] Operation: 8+42=50 Exploring Operation: 95-8=87, Resulting Numbers: [42, 87] Generated Node #0,0,1: 10:[42, 87] Operation: 95-8=87 Exploring Operation: 42-8=34, Resulting Numbers: [95, 34] Generated Node #0,0,2: 10:[95, 34] Operation: 42-8=34 Exploring Operation: 95+8=103, Resulting Numbers: [42, 103] Generated Node #0,0,3: 10:[42, 103] Operation: 95+8=103 Exploring Operation: 95-42=53, Resulting Numbers: [8, 53] Generated Node #0,0,4: 10:[8, 53] Operation: 95-42=53 Moving to Node #0,1 Current State: 10:[11, 95, 45], Operations: ['53-8=45'] Exploring Operation: 45-11=34, Resulting Numbers: [95, 34] Generated Node #0,1,0: 10:[95, 34] Operation: 45-11=34 Exploring Operation: 11+45=56, Resulting Numbers: [95, 56] Generated Node #0,1,1: 10:[95, 56] Operation: 11+45=56 Exploring Operation: 95-11=84, Resulting Numbers: [45, 84] Generated Node #0,1,2: 10:[45, 84] Operation: 95-11=84 Exploring Operation: 95-45=50, Resulting Numbers: [11, 50] Generated Node #0,1,3: 10:[11, 50] Operation: 95-45=50 Exploring Operation: 11+95=106, Resulting Numbers: [45, 106] Generated Node #0,1,4: 10:[45, 106] Operation: 11+95=106 Moving to Node #0,3 Current State: 10:[11, 53, 87], Operations: ['95-8=87'] Exploring Operation: 11+87=98, Resulting Numbers: [53, 98] Generated Node #0,3,0: 10:[53, 98] Operation: 11+87=98 Exploring Operation: 87-11=76, Resulting Numbers: [53, 76] Generated Node #0,3,1: 10:[53, 76] Operation: 87-11=76 Exploring Operation: 11+53=64, Resulting Numbers: [87, 64] Generated Node #0,3,2: 10:[87, 64] Operation: 11+53=64 Exploring Operation: 53-11=42, Resulting Numbers: [87, 42] Generated Node #0,3,3: 10:[87, 42] Operation: 53-11=42 Exploring Operation: 87-53=34, Resulting Numbers: [11, 34] Generated Node #0,3,4: 10:[11, 34] Operation: 87-53=34 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 10:[11, 34], Operations: ['95-8=87', '87-53=34'] Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,10 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[53, 76], Operations: ['95-8=87', '87-11=76'] Exploring Operation: 53+76=129, Resulting Numbers: [129] 129,10 unequal: No Solution Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 53*76=4028, Resulting Numbers: [4028] 4028,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[87, 42], Operations: ['95-8=87', '53-11=42'] Exploring Operation: 87+42=129, Resulting Numbers: [129] 129,10 unequal: No Solution Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 87*42=3654, Resulting Numbers: [3654] 3654,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[53, 98], Operations: ['95-8=87', '11+87=98'] Exploring Operation: 53+98=151, Resulting Numbers: [151] 151,10 unequal: No Solution Exploring Operation: 98-53=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 53*98=5194, Resulting Numbers: [5194] 5194,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[87, 64], Operations: ['95-8=87', '11+53=64'] Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 87+64=151, Resulting Numbers: [151] 151,10 unequal: No Solution Exploring Operation: 87*64=5568, Resulting Numbers: [5568] 5568,10 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: 10:[8, 31], Operations: ['95-11=84', '84-53=31'] Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,10 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[11, 50], Operations: ['53-8=45', '95-45=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 11*50=550, Resulting Numbers: [550] 550,10 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[8, 53], Operations: ['53-11=42', '95-42=53'] Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,10 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[42, 87], Operations: ['53-11=42', '95-8=87'] Exploring Operation: 42*87=3654, Resulting Numbers: [3654] 3654,10 unequal: No Solution Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 42+87=129, Resulting Numbers: [129] 129,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[84, 45], Operations: ['95-11=84', '53-8=45'] Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,10 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[95, 34], Operations: ['53-8=45', '45-11=34'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 95+34=129, Resulting Numbers: [129] 129,10 unequal: No Solution Exploring Operation: 95*34=3230, Resulting Numbers: [3230] 3230,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[45, 84], Operations: ['53-8=45', '95-11=84'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 45*84=3780, Resulting Numbers: [3780] 3780,10 unequal: No Solution Exploring Operation: 45+84=129, Resulting Numbers: [129] 129,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[53, 76], Operations: ['95-11=84', '84-8=76'] Exploring Operation: 53*76=4028, Resulting Numbers: [4028] 4028,10 unequal: No Solution Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 53+76=129, Resulting Numbers: [129] 129,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[95, 34], Operations: ['53-11=42', '42-8=34'] Exploring Operation: 95+34=129, Resulting Numbers: [129] 129,10 unequal: No Solution Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 95*34=3230, Resulting Numbers: [3230] 3230,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[42, 103], Operations: ['53-11=42', '95+8=103'] Exploring Operation: 42*103=4326, Resulting Numbers: [4326] 4326,10 unequal: No Solution Exploring Operation: 42+103=145, Resulting Numbers: [145] 145,10 unequal: No Solution Exploring Operation: 103-42=61, Resulting Numbers: [61] 61,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[84, 61], Operations: ['95-11=84', '53+8=61'] Exploring Operation: 84*61=5124, Resulting Numbers: [5124] 5124,10 unequal: No Solution Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 84+61=145, Resulting Numbers: [145] 145,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[95, 50], Operations: ['53-11=42', '8+42=50'] Exploring Operation: 95*50=4750, Resulting Numbers: [4750] 4750,10 unequal: No Solution Exploring Operation: 95+50=145, Resulting Numbers: [145] 145,10 unequal: No Solution Exploring Operation: 95-50=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[53, 92], Operations: ['95-11=84', '8+84=92'] Exploring Operation: 53*92=4876, Resulting Numbers: [4876] 4876,10 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,10 unequal: No Solution Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[95, 56], Operations: ['53-8=45', '11+45=56'] Exploring Operation: 95+56=151, Resulting Numbers: [151] 151,10 unequal: No Solution Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 95*56=5320, Resulting Numbers: [5320] 5320,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[45, 106], Operations: ['53-8=45', '11+95=106'] Exploring Operation: 45+106=151, Resulting Numbers: [151] 151,10 unequal: No Solution Exploring Operation: 106-45=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 45*106=4770, Resulting Numbers: [4770] 4770,10 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 70, 22, 77, 75 ]
94
[ "70+22=92", "77-75=2", "92+2=94" ]
Current State: 94:[70, 22, 77, 75], Operations: [] Exploring Operation: 70+22=92, Resulting Numbers: [77, 75, 92] Generated Node #2: [77, 75, 92] from Operation: 70+22=92 Current State: 94:[77, 75, 92], Operations: ['70+22=92'] Exploring Operation: 77-75=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 77-75=2 Current State: 94:[92, 2], Operations: ['70+22=92', '77-75=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[70, 22, 77, 75], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [77, 75, 48] Generated Node #0,0: 94:[77, 75, 48] Operation: 70-22=48 Moving to Node #0,0 Current State: 94:[77, 75, 48], Operations: ['70-22=48'] Exploring Operation: 77-75=2, Resulting Numbers: [48, 2] Generated Node #0,0,0: 94:[48, 2] Operation: 77-75=2 Moving to Node #0,0,0 Current State: 94:[48, 2], Operations: ['70-22=48', '77-75=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,94 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 35, 70, 74, 11 ]
28
[ "70-35=35", "74-11=63", "63-35=28" ]
Current State: 28:[35, 70, 74, 11], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [74, 11, 35] Generated Node #2: [74, 11, 35] from Operation: 70-35=35 Current State: 28:[74, 11, 35], Operations: ['70-35=35'] Exploring Operation: 74-11=63, Resulting Numbers: [35, 63] Generated Node #3: [35, 63] from Operation: 74-11=63 Current State: 28:[35, 63], Operations: ['70-35=35', '74-11=63'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[35, 70, 74, 11], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [74, 11, 2] Generated Node #0,0: 28:[74, 11, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [74, 11, 35] Generated Node #0,1: 28:[74, 11, 35] Operation: 70-35=35 Exploring Operation: 74-70=4, Resulting Numbers: [35, 11, 4] Generated Node #0,2: 28:[35, 11, 4] Operation: 74-70=4 Moving to Node #0,2 Current State: 28:[35, 11, 4], Operations: ['74-70=4'] Exploring Operation: 35-4=31, Resulting Numbers: [11, 31] Generated Node #0,2,0: 28:[11, 31] Operation: 35-4=31 Exploring Operation: 35-11=24, Resulting Numbers: [4, 24] Generated Node #0,2,1: 28:[4, 24] Operation: 35-11=24 Exploring Operation: 11-4=7, Resulting Numbers: [35, 7] Generated Node #0,2,2: 28:[35, 7] Operation: 11-4=7 Moving to Node #0,0 Current State: 28:[74, 11, 2], Operations: ['70/35=2'] Exploring Operation: 74-2=72, Resulting Numbers: [11, 72] Generated Node #0,0,0: 28:[11, 72] Operation: 74-2=72 Exploring Operation: 74/2=37, Resulting Numbers: [11, 37] Generated Node #0,0,1: 28:[11, 37] Operation: 74/2=37 Exploring Operation: 74-11=63, Resulting Numbers: [2, 63] Generated Node #0,0,2: 28:[2, 63] Operation: 74-11=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[11, 37], Operations: ['70/35=2', '74/2=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,28 unequal: No Solution Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[2, 63], Operations: ['70/35=2', '74-11=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[11, 72], Operations: ['70/35=2', '74-2=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 11*72=792, Resulting Numbers: [792] 792,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[74, 11, 35], Operations: ['70-35=35'] Exploring Operation: 74-35=39, Resulting Numbers: [11, 39] Generated Node #0,1,0: 28:[11, 39] Operation: 74-35=39 Exploring Operation: 74-11=63, Resulting Numbers: [35, 63] Generated Node #0,1,1: 28:[35, 63] Operation: 74-11=63 Exploring Operation: 35-11=24, Resulting Numbers: [74, 24] Generated Node #0,1,2: 28:[74, 24] Operation: 35-11=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[11, 39], Operations: ['70-35=35', '74-35=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,28 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[35, 70, 74, 11], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [74, 11, 35] Generated Node #0,1: 28:[74, 11, 35] Operation: 70-35=35 Moving to Node #0,1 Current State: 28:[74, 11, 35], Operations: ['70-35=35'] Exploring Operation: 74-35=39, Resulting Numbers: [11, 39] Generated Node #0,1,0: 28:[11, 39] Operation: 74-35=39 Moving to Node #0,1,0 Current State: 28:[11, 39], Operations: ['70-35=35', '74-35=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 37, 95, 83, 15 ]
64
[ "37+95=132", "83-15=68", "132-68=64" ]
Current State: 64:[37, 95, 83, 15], Operations: [] Exploring Operation: 37+95=132, Resulting Numbers: [83, 15, 132] Generated Node #2: [83, 15, 132] from Operation: 37+95=132 Current State: 64:[83, 15, 132], Operations: ['37+95=132'] Exploring Operation: 83-15=68, Resulting Numbers: [132, 68] Generated Node #3: [132, 68] from Operation: 83-15=68 Current State: 64:[132, 68], Operations: ['37+95=132', '83-15=68'] Exploring Operation: 132-68=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[37, 95, 83, 15], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [83, 15, 58] Generated Node #0,0: 64:[83, 15, 58] Operation: 95-37=58 Exploring Operation: 95-15=80, Resulting Numbers: [37, 83, 80] Generated Node #0,1: 64:[37, 83, 80] Operation: 95-15=80 Exploring Operation: 95-83=12, Resulting Numbers: [37, 15, 12] Generated Node #0,2: 64:[37, 15, 12] Operation: 95-83=12 Exploring Operation: 83-15=68, Resulting Numbers: [37, 95, 68] Generated Node #0,3: 64:[37, 95, 68] Operation: 83-15=68 Moving to Node #0,2 Current State: 64:[37, 15, 12], Operations: ['95-83=12'] Exploring Operation: 37-12=25, Resulting Numbers: [15, 25] Generated Node #0,2,0: 64:[15, 25] Operation: 37-12=25 Exploring Operation: 37-15=22, Resulting Numbers: [12, 22] Generated Node #0,2,1: 64:[12, 22] Operation: 37-15=22 Exploring Operation: 15-12=3, Resulting Numbers: [37, 3] Generated Node #0,2,2: 64:[37, 3] Operation: 15-12=3 Exploring Operation: 15+12=27, Resulting Numbers: [37, 27] Generated Node #0,2,3: 64:[37, 27] Operation: 15+12=27 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[37, 3], Operations: ['95-83=12', '15-12=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,64 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[15, 25], Operations: ['95-83=12', '37-12=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,64 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[12, 22], Operations: ['95-83=12', '37-15=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[37, 27], Operations: ['95-83=12', '15+12=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[37, 95, 83, 15], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [37, 15, 12] Generated Node #0,2: 64:[37, 15, 12] Operation: 95-83=12 Moving to Node #0,2 Current State: 64:[37, 15, 12], Operations: ['95-83=12'] Exploring Operation: 15+12=27, Resulting Numbers: [37, 27] Generated Node #0,2,3: 64:[37, 27] Operation: 15+12=27 Moving to Node #0,2,3 Current State: 64:[37, 27], Operations: ['95-83=12', '15+12=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 58, 63, 65, 18 ]
88
[ "63-58=5", "65+18=83", "5+83=88" ]
Current State: 88:[58, 63, 65, 18], Operations: [] Exploring Operation: 63-58=5, Resulting Numbers: [65, 18, 5] Generated Node #2: [65, 18, 5] from Operation: 63-58=5 Current State: 88:[65, 18, 5], Operations: ['63-58=5'] Exploring Operation: 65+18=83, Resulting Numbers: [5, 83] Generated Node #3: [5, 83] from Operation: 65+18=83 Current State: 88:[5, 83], Operations: ['63-58=5', '65+18=83'] Exploring Operation: 5+83=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[58, 63, 65, 18], Operations: [] Exploring Operation: 63-18=45, Resulting Numbers: [58, 65, 45] Generated Node #0,0: 88:[58, 65, 45] Operation: 63-18=45 Exploring Operation: 63-58=5, Resulting Numbers: [65, 18, 5] Generated Node #0,1: 88:[65, 18, 5] Operation: 63-58=5 Exploring Operation: 65-63=2, Resulting Numbers: [58, 18, 2] Generated Node #0,2: 88:[58, 18, 2] Operation: 65-63=2 Exploring Operation: 65-58=7, Resulting Numbers: [63, 18, 7] Generated Node #0,3: 88:[63, 18, 7] Operation: 65-58=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[58, 18, 2], Operations: ['65-63=2'] Exploring Operation: 58/2=29, Resulting Numbers: [18, 29] Generated Node #0,2,0: 88:[18, 29] Operation: 58/2=29 Exploring Operation: 58-18=40, Resulting Numbers: [2, 40] Generated Node #0,2,1: 88:[2, 40] Operation: 58-18=40 Exploring Operation: 58+18=76, Resulting Numbers: [2, 76] Generated Node #0,2,2: 88:[2, 76] Operation: 58+18=76 Exploring Operation: 18/2=9, Resulting Numbers: [58, 9] Generated Node #0,2,3: 88:[58, 9] Operation: 18/2=9 Moving to Node #0,2,1 Current State: 88:[2, 40], Operations: ['65-63=2', '58-18=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[18, 29], Operations: ['65-63=2', '58/2=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[2, 76], Operations: ['65-63=2', '58+18=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,88 unequal: No Solution Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,88 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,88 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[58, 9], Operations: ['65-63=2', '18/2=9'] Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,88 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[63, 18, 7], Operations: ['65-58=7'] Exploring Operation: 63+18=81, Resulting Numbers: [7, 81] Generated Node #0,3,0: 88:[7, 81] Operation: 63+18=81 Exploring Operation: 63-7=56, Resulting Numbers: [18, 56] Generated Node #0,3,1: 88:[18, 56] Operation: 63-7=56 Exploring Operation: 63-18=45, Resulting Numbers: [7, 45] Generated Node #0,3,2: 88:[7, 45] Operation: 63-18=45 Exploring Operation: 63/7=9, Resulting Numbers: [18, 9] Generated Node #0,3,3: 88:[18, 9] Operation: 63/7=9 Moving to Node #0,3,2 Current State: 88:[7, 45], Operations: ['65-58=7', '63-18=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[18, 9], Operations: ['65-58=7', '63/7=9'] Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,88 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,88 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[7, 81], Operations: ['65-58=7', '63+18=81'] Exploring Operation: 7*81=567, Resulting Numbers: [567] 567,88 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,88 unequal: No Solution Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[58, 63, 65, 18], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [63, 18, 7] Generated Node #0,3: 88:[63, 18, 7] Operation: 65-58=7 Moving to Node #0,3 Current State: 88:[63, 18, 7], Operations: ['65-58=7'] Exploring Operation: 63+18=81, Resulting Numbers: [7, 81] Generated Node #0,3,0: 88:[7, 81] Operation: 63+18=81 Moving to Node #0,3,0 Current State: 88:[7, 81], Operations: ['65-58=7', '63+18=81'] Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
mult_heuristic
[ 65, 55, 48, 16 ]
30
[ "65-55=10", "48/16=3", "10*3=30" ]
Current State: 30:[65, 55, 48, 16], Operations: [] Exploring Operation: 65-55=10, Resulting Numbers: [48, 16, 10] Generated Node #2: [48, 16, 10] from Operation: 65-55=10 Current State: 30:[48, 16, 10], Operations: ['65-55=10'] Exploring Operation: 48/16=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 48/16=3 Current State: 30:[10, 3], Operations: ['65-55=10', '48/16=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[65, 55, 48, 16], Operations: [] Exploring Operation: 65-55=10, Resulting Numbers: [48, 16, 10] Generated Node #0,0: 30:[48, 16, 10] Operation: 65-55=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[48, 16, 10], Operations: ['65-55=10'] Exploring Operation: 48/16=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 30:[10, 3] Operation: 48/16=3 Moving to Node #0,0,0 Current State: 30:[10, 3], Operations: ['65-55=10', '48/16=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[65, 55, 48, 16], Operations: [] Exploring Operation: 65-55=10, Resulting Numbers: [48, 16, 10] Generated Node #0,0: 30:[48, 16, 10] Operation: 65-55=10 Moving to Node #0,0 Current State: 30:[48, 16, 10], Operations: ['65-55=10'] Exploring Operation: 48/16=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 30:[10, 3] Operation: 48/16=3 Moving to Node #0,0,0 Current State: 30:[10, 3], Operations: ['65-55=10', '48/16=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 21, 85, 6, 67 ]
63
[ "85-67=18", "21*18=378", "378/6=63" ]
Current State: 63:[21, 85, 6, 67], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [21, 6, 18] Generated Node #2: [21, 6, 18] from Operation: 85-67=18 Current State: 63:[21, 6, 18], Operations: ['85-67=18'] Exploring Operation: 21*18=378, Resulting Numbers: [6, 378] Generated Node #3: [6, 378] from Operation: 21*18=378 Current State: 63:[6, 378], Operations: ['85-67=18', '21*18=378'] Exploring Operation: 378/6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[21, 85, 6, 67], Operations: [] Exploring Operation: 85-6=79, Resulting Numbers: [21, 67, 79] Generated Node #0,0: 63:[21, 67, 79] Operation: 85-6=79 Exploring Operation: 85-21=64, Resulting Numbers: [6, 67, 64] Generated Node #0,1: 63:[6, 67, 64] Operation: 85-21=64 Exploring Operation: 85-67=18, Resulting Numbers: [21, 6, 18] Generated Node #0,2: 63:[21, 6, 18] Operation: 85-67=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[21, 6, 18], Operations: ['85-67=18'] Exploring Operation: 6+18=24, Resulting Numbers: [21, 24] Generated Node #0,2,0: 63:[21, 24] Operation: 6+18=24 Exploring Operation: 18/6=3, Resulting Numbers: [21, 3] Generated Node #0,2,1: 63:[21, 3] Operation: 18/6=3 Exploring Operation: 21-18=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 63:[6, 3] Operation: 21-18=3 Moving to Node #0,2,1 Current State: 63:[21, 3], Operations: ['85-67=18', '18/6=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,63 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[21, 85, 6, 67], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [21, 6, 18] Generated Node #0,2: 63:[21, 6, 18] Operation: 85-67=18 Moving to Node #0,2 Current State: 63:[21, 6, 18], Operations: ['85-67=18'] Exploring Operation: 18/6=3, Resulting Numbers: [21, 3] Generated Node #0,2,1: 63:[21, 3] Operation: 18/6=3 Moving to Node #0,2,1 Current State: 63:[21, 3], Operations: ['85-67=18', '18/6=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 36, 71, 7, 35 ]
40
[ "71-36=35", "35/7=5", "35+5=40" ]
Current State: 40:[36, 71, 7, 35], Operations: [] Exploring Operation: 71-36=35, Resulting Numbers: [7, 35, 35] Generated Node #2: [7, 35, 35] from Operation: 71-36=35 Current State: 40:[7, 35, 35], Operations: ['71-36=35'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,40 equal: Goal Reached Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[36, 71, 7, 35], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [36, 7, 36] Generated Node #0,0: 40:[36, 7, 36] Operation: 71-35=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[36, 7, 36], Operations: ['71-35=36'] Exploring Operation: 36/36=1, Resulting Numbers: [7, 1] Generated Node #0,0,0: 40:[7, 1] Operation: 36/36=1 Moving to Node #0,0,0 Current State: 40:[7, 1], Operations: ['71-35=36', '36/36=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 93, 43, 54, 52 ]
68
[ "93+43=136", "54-52=2", "136/2=68" ]
Current State: 68:[93, 43, 54, 52], Operations: [] Exploring Operation: 93+43=136, Resulting Numbers: [54, 52, 136] Generated Node #2: [54, 52, 136] from Operation: 93+43=136 Current State: 68:[54, 52, 136], Operations: ['93+43=136'] Exploring Operation: 54-52=2, Resulting Numbers: [136, 2] Generated Node #3: [136, 2] from Operation: 54-52=2 Current State: 68:[136, 2], Operations: ['93+43=136', '54-52=2'] Exploring Operation: 136/2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[93, 43, 54, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [93, 43, 2] Generated Node #0,0: 68:[93, 43, 2] Operation: 54-52=2 Exploring Operation: 93-52=41, Resulting Numbers: [43, 54, 41] Generated Node #0,1: 68:[43, 54, 41] Operation: 93-52=41 Exploring Operation: 93-54=39, Resulting Numbers: [43, 52, 39] Generated Node #0,2: 68:[43, 52, 39] Operation: 93-54=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[43, 54, 41], Operations: ['93-52=41'] Exploring Operation: 54-43=11, Resulting Numbers: [41, 11] Generated Node #0,1,0: 68:[41, 11] Operation: 54-43=11 Exploring Operation: 43-41=2, Resulting Numbers: [54, 2] Generated Node #0,1,1: 68:[54, 2] Operation: 43-41=2 Exploring Operation: 54-41=13, Resulting Numbers: [43, 13] Generated Node #0,1,2: 68:[43, 13] Operation: 54-41=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[41, 11], Operations: ['93-52=41', '54-43=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,68 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,68 unequal: No Solution No 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: 68:[43, 13], Operations: ['93-52=41', '54-41=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,68 unequal: No Solution No 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: 68:[54, 2], Operations: ['93-52=41', '43-41=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,68 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: 68:[43, 52, 39], Operations: ['93-54=39'] Exploring Operation: 52-43=9, Resulting Numbers: [39, 9] Generated Node #0,2,0: 68:[39, 9] Operation: 52-43=9 Exploring Operation: 52-39=13, Resulting Numbers: [43, 13] Generated Node #0,2,1: 68:[43, 13] Operation: 52-39=13 Exploring Operation: 43-39=4, Resulting Numbers: [52, 4] Generated Node #0,2,2: 68:[52, 4] Operation: 43-39=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 68:[39, 9], Operations: ['93-54=39', '52-43=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,68 unequal: No Solution No 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: 68:[43, 13], Operations: ['93-54=39', '52-39=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,68 unequal: No Solution No 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: 68:[52, 4], Operations: ['93-54=39', '43-39=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,68 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: 68:[93, 43, 2], Operations: ['54-52=2'] Exploring Operation: 93-43=50, Resulting Numbers: [2, 50] Generated Node #0,0,0: 68:[2, 50] Operation: 93-43=50 Exploring Operation: 43-2=41, Resulting Numbers: [93, 41] Generated Node #0,0,1: 68:[93, 41] Operation: 43-2=41 Exploring Operation: 93-2=91, Resulting Numbers: [43, 91] Generated Node #0,0,2: 68:[43, 91] Operation: 93-2=91 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[2, 50], Operations: ['54-52=2', '93-43=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,68 unequal: No Solution No 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: 68:[93, 41], Operations: ['54-52=2', '43-2=41'] Exploring Operation: 93+41=134, Resulting Numbers: [134] 134,68 unequal: No Solution Exploring Operation: 93-41=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 93*41=3813, Resulting Numbers: [3813] 3813,68 unequal: No Solution No 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: 68:[43, 91], Operations: ['54-52=2', '93-2=91'] Exploring Operation: 43+91=134, Resulting Numbers: [134] 134,68 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 43*91=3913, Resulting Numbers: [3913] 3913,68 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
[ 20, 38, 16, 66 ]
23
[ "38-16=22", "66/22=3", "20+3=23" ]
Current State: 23:[20, 38, 16, 66], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [20, 66, 22] Generated Node #2: [20, 66, 22] from Operation: 38-16=22 Current State: 23:[20, 66, 22], Operations: ['38-16=22'] Exploring Operation: 66/22=3, Resulting Numbers: [20, 3] Generated Node #3: [20, 3] from Operation: 66/22=3 Current State: 23:[20, 3], Operations: ['38-16=22', '66/22=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[20, 38, 16, 66], Operations: [] Exploring Operation: 66-38=28, Resulting Numbers: [20, 16, 28] Generated Node #0,0: 23:[20, 16, 28] Operation: 66-38=28 Exploring Operation: 66-20=46, Resulting Numbers: [38, 16, 46] Generated Node #0,1: 23:[38, 16, 46] Operation: 66-20=46 Exploring Operation: 66-16=50, Resulting Numbers: [20, 38, 50] Generated Node #0,2: 23:[20, 38, 50] Operation: 66-16=50 Moving to Node #0,0 Current State: 23:[20, 16, 28], Operations: ['66-38=28'] Exploring Operation: 28-20=8, Resulting Numbers: [16, 8] Generated Node #0,0,0: 23:[16, 8] Operation: 28-20=8 Exploring Operation: 20+16=36, Resulting Numbers: [28, 36] Generated Node #0,0,1: 23:[28, 36] Operation: 20+16=36 Exploring Operation: 28-16=12, Resulting Numbers: [20, 12] Generated Node #0,0,2: 23:[20, 12] Operation: 28-16=12 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[20, 12], Operations: ['66-38=28', '28-16=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,23 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,23 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:[28, 36], Operations: ['66-38=28', '20+16=36'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,23 unequal: No Solution Exploring Operation: 28+36=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 #0,0,0 Current State: 23:[16, 8], Operations: ['66-38=28', '28-20=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,23 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: 23:[38, 16, 46], Operations: ['66-20=46'] Exploring Operation: 46-16=30, Resulting Numbers: [38, 30] Generated Node #0,1,0: 23:[38, 30] Operation: 46-16=30 Exploring Operation: 46-38=8, Resulting Numbers: [16, 8] Generated Node #0,1,1: 23:[16, 8] Operation: 46-38=8 Exploring Operation: 38-16=22, Resulting Numbers: [46, 22] Generated Node #0,1,2: 23:[46, 22] Operation: 38-16=22 Moving to Node #0,2 Current State: 23:[20, 38, 50], Operations: ['66-16=50'] Exploring Operation: 50-20=30, Resulting Numbers: [38, 30] Generated Node #0,2,0: 23:[38, 30] Operation: 50-20=30 Exploring Operation: 38-20=18, Resulting Numbers: [50, 18] Generated Node #0,2,1: 23:[50, 18] Operation: 38-20=18 Exploring Operation: 50-38=12, Resulting Numbers: [20, 12] Generated Node #0,2,2: 23:[20, 12] Operation: 50-38=12 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[20, 12], Operations: ['66-16=50', '50-38=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,23 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[38, 30], Operations: ['66-16=50', '50-20=30'] Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[50, 18], Operations: ['66-16=50', '38-20=18'] Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,23 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,23 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: 23:[38, 30], Operations: ['66-20=46', '46-16=30'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,23 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[16, 8], Operations: ['66-20=46', '46-38=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[46, 22], Operations: ['66-20=46', '38-16=22'] Exploring Operation: 46+22=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 46*22=1012, Resulting Numbers: [1012] 1012,23 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 95, 41, 62, 81 ]
46
[ "81-62=19", "95/19=5", "41+5=46" ]
Current State: 46:[95, 41, 62, 81], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [95, 41, 19] Generated Node #2: [95, 41, 19] from Operation: 81-62=19 Current State: 46:[95, 41, 19], Operations: ['81-62=19'] Exploring Operation: 95/19=5, Resulting Numbers: [41, 5] Generated Node #3: [41, 5] from Operation: 95/19=5 Current State: 46:[41, 5], Operations: ['81-62=19', '95/19=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[95, 41, 62, 81], Operations: [] Exploring Operation: 95-41=54, Resulting Numbers: [62, 81, 54] Generated Node #0,0: 46:[62, 81, 54] Operation: 95-41=54 Exploring Operation: 81-62=19, Resulting Numbers: [95, 41, 19] Generated Node #0,1: 46:[95, 41, 19] Operation: 81-62=19 Exploring Operation: 95-81=14, Resulting Numbers: [41, 62, 14] Generated Node #0,2: 46:[41, 62, 14] Operation: 95-81=14 Exploring Operation: 95-62=33, Resulting Numbers: [41, 81, 33] Generated Node #0,3: 46:[41, 81, 33] Operation: 95-62=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[41, 62, 14], Operations: ['95-81=14'] Exploring Operation: 62-14=48, Resulting Numbers: [41, 48] Generated Node #0,2,0: 46:[41, 48] Operation: 62-14=48 Exploring Operation: 41+14=55, Resulting Numbers: [62, 55] Generated Node #0,2,1: 46:[62, 55] Operation: 41+14=55 Exploring Operation: 41-14=27, Resulting Numbers: [62, 27] Generated Node #0,2,2: 46:[62, 27] Operation: 41-14=27 Exploring Operation: 62-41=21, Resulting Numbers: [14, 21] Generated Node #0,2,3: 46:[14, 21] Operation: 62-41=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[41, 48], Operations: ['95-81=14', '62-14=48'] Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,46 unequal: No Solution Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,46 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 46:[14, 21], Operations: ['95-81=14', '62-41=21'] Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,46 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[62, 27], Operations: ['95-81=14', '41-14=27'] Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,46 unequal: No Solution Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,46 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[62, 55], Operations: ['95-81=14', '41+14=55'] Exploring Operation: 62+55=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 62*55=3410, Resulting Numbers: [3410] 3410,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[41, 81, 33], Operations: ['95-62=33'] Exploring Operation: 41-33=8, Resulting Numbers: [81, 8] Generated Node #0,3,0: 46:[81, 8] Operation: 41-33=8 Exploring Operation: 81-41=40, Resulting Numbers: [33, 40] Generated Node #0,3,1: 46:[33, 40] Operation: 81-41=40 Exploring Operation: 81-33=48, Resulting Numbers: [41, 48] Generated Node #0,3,2: 46:[41, 48] Operation: 81-33=48 Exploring Operation: 41+33=74, Resulting Numbers: [81, 74] Generated Node #0,3,3: 46:[81, 74] Operation: 41+33=74 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[41, 48], Operations: ['95-62=33', '81-33=48'] Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,46 unequal: No Solution Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,46 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[33, 40], Operations: ['95-62=33', '81-41=40'] Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,46 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[81, 8], Operations: ['95-62=33', '41-33=8'] Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,46 unequal: No Solution Exploring Operation: 81*8=648, Resulting Numbers: [648] 648,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[81, 74], Operations: ['95-62=33', '41+33=74'] Exploring Operation: 81-74=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 81*74=5994, Resulting Numbers: [5994] 5994,46 unequal: No Solution Exploring Operation: 81+74=155, Resulting Numbers: [155] 155,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[95, 41, 19], Operations: ['81-62=19'] Exploring Operation: 41-19=22, Resulting Numbers: [95, 22] Generated Node #0,1,0: 46:[95, 22] Operation: 41-19=22 Exploring Operation: 95-19=76, Resulting Numbers: [41, 76] Generated Node #0,1,1: 46:[41, 76] Operation: 95-19=76 Exploring Operation: 95-41=54, Resulting Numbers: [19, 54] Generated Node #0,1,2: 46:[19, 54] Operation: 95-41=54 Exploring Operation: 95/19=5, Resulting Numbers: [41, 5] Generated Node #0,1,3: 46:[41, 5] Operation: 95/19=5 Moving to Node #0,1,3 Current State: 46:[41, 5], Operations: ['81-62=19', '95/19=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[95, 41, 62, 81], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [95, 41, 19] Generated Node #0,1: 46:[95, 41, 19] Operation: 81-62=19 Moving to Node #0,1 Current State: 46:[95, 41, 19], Operations: ['81-62=19'] Exploring Operation: 95/19=5, Resulting Numbers: [41, 5] Generated Node #0,1,3: 46:[41, 5] Operation: 95/19=5 Moving to Node #0,1,3 Current State: 46:[41, 5], Operations: ['81-62=19', '95/19=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 5, 2, 9, 68 ]
87
[ "5*2=10", "9+68=77", "10+77=87" ]
Current State: 87:[5, 2, 9, 68], Operations: [] Exploring Operation: 5*2=10, Resulting Numbers: [9, 68, 10] Generated Node #2: [9, 68, 10] from Operation: 5*2=10 Current State: 87:[9, 68, 10], Operations: ['5*2=10'] Exploring Operation: 9+68=77, Resulting Numbers: [10, 77] Generated Node #3: [10, 77] from Operation: 9+68=77 Current State: 87:[10, 77], Operations: ['5*2=10', '9+68=77'] Exploring Operation: 10+77=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[5, 2, 9, 68], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [5, 9, 34] Generated Node #0,0: 87:[5, 9, 34] Operation: 68/2=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[5, 9, 34], Operations: ['68/2=34'] Exploring Operation: 9-5=4, Resulting Numbers: [34, 4] Generated Node #0,0,0: 87:[34, 4] Operation: 9-5=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[34, 4], Operations: ['68/2=34', '9-5=4'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,87 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
[ 7, 28, 45, 14 ]
24
[ "7+28=35", "45+14=59", "59-35=24" ]
Current State: 24:[7, 28, 45, 14], Operations: [] Exploring Operation: 7+28=35, Resulting Numbers: [45, 14, 35] Generated Node #2: [45, 14, 35] from Operation: 7+28=35 Current State: 24:[45, 14, 35], Operations: ['7+28=35'] Exploring Operation: 45+14=59, Resulting Numbers: [35, 59] Generated Node #3: [35, 59] from Operation: 45+14=59 Current State: 24:[35, 59], Operations: ['7+28=35', '45+14=59'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[7, 28, 45, 14], Operations: [] Exploring Operation: 45-28=17, Resulting Numbers: [7, 14, 17] Generated Node #0,0: 24:[7, 14, 17] Operation: 45-28=17 Moving to Node #0,0 Current State: 24:[7, 14, 17], Operations: ['45-28=17'] Exploring Operation: 17-14=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 24:[7, 3] Operation: 17-14=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[7, 3], Operations: ['45-28=17', '17-14=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,24 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
[ 38, 1, 59, 48 ]
50
[ "38+1=39", "59-48=11", "39+11=50" ]
Current State: 50:[38, 1, 59, 48], Operations: [] Exploring Operation: 38+1=39, Resulting Numbers: [59, 48, 39] Generated Node #2: [59, 48, 39] from Operation: 38+1=39 Current State: 50:[59, 48, 39], Operations: ['38+1=39'] Exploring Operation: 59-48=11, Resulting Numbers: [39, 11] Generated Node #3: [39, 11] from Operation: 59-48=11 Current State: 50:[39, 11], Operations: ['38+1=39', '59-48=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[38, 1, 59, 48], Operations: [] Exploring Operation: 59-38=21, Resulting Numbers: [1, 48, 21] Generated Node #0,0: 50:[1, 48, 21] Operation: 59-38=21 Exploring Operation: 48-38=10, Resulting Numbers: [1, 59, 10] Generated Node #0,1: 50:[1, 59, 10] Operation: 48-38=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[1, 48, 21], Operations: ['59-38=21'] Exploring Operation: 48-21=27, Resulting Numbers: [1, 27] Generated Node #0,0,0: 50:[1, 27] Operation: 48-21=27 Exploring Operation: 1+48=49, Resulting Numbers: [21, 49] Generated Node #0,0,1: 50:[21, 49] Operation: 1+48=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[1, 27], Operations: ['59-38=21', '48-21=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,50 unequal: No Solution No 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: 50:[21, 49], Operations: ['59-38=21', '1+48=49'] Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[1, 59, 10], Operations: ['48-38=10'] Exploring Operation: 59-1=58, Resulting Numbers: [10, 58] Generated Node #0,1,0: 50:[10, 58] Operation: 59-1=58 Exploring Operation: 59-10=49, Resulting Numbers: [1, 49] Generated Node #0,1,1: 50:[1, 49] Operation: 59-10=49 Moving to Node #0,1,1 Current State: 50:[1, 49], Operations: ['48-38=10', '59-10=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[38, 1, 59, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [1, 59, 10] Generated Node #0,1: 50:[1, 59, 10] Operation: 48-38=10 Moving to Node #0,1 Current State: 50:[1, 59, 10], Operations: ['48-38=10'] Exploring Operation: 59-10=49, Resulting Numbers: [1, 49] Generated Node #0,1,1: 50:[1, 49] Operation: 59-10=49 Moving to Node #0,1,1 Current State: 50:[1, 49], Operations: ['48-38=10', '59-10=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 64, 52, 27, 56 ]
44
[ "56-52=4", "27*4=108", "108-64=44" ]
Current State: 44:[64, 52, 27, 56], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [64, 27, 4] Generated Node #2: [64, 27, 4] from Operation: 56-52=4 Current State: 44:[64, 27, 4], Operations: ['56-52=4'] Exploring Operation: 27*4=108, Resulting Numbers: [64, 108] Generated Node #3: [64, 108] from Operation: 27*4=108 Current State: 44:[64, 108], Operations: ['56-52=4', '27*4=108'] Exploring Operation: 108-64=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[64, 52, 27, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [52, 27, 8] Generated Node #0,0: 44:[52, 27, 8] Operation: 64-56=8 Exploring Operation: 64-52=12, Resulting Numbers: [27, 56, 12] Generated Node #0,1: 44:[27, 56, 12] Operation: 64-52=12 Moving to Node #0,0 Current State: 44:[52, 27, 8], Operations: ['64-56=8'] Exploring Operation: 52-8=44, Resulting Numbers: [27, 44] Generated Node #0,0,0: 44:[27, 44] Operation: 52-8=44 Exploring Operation: 52-27=25, Resulting Numbers: [8, 25] Generated Node #0,0,1: 44:[8, 25] Operation: 52-27=25 Moving to Node #0,1 Current State: 44:[27, 56, 12], Operations: ['64-52=12'] Exploring Operation: 56-12=44, Resulting Numbers: [27, 44] Generated Node #0,1,0: 44:[27, 44] Operation: 56-12=44 Exploring Operation: 56-27=29, Resulting Numbers: [12, 29] Generated Node #0,1,1: 44:[12, 29] Operation: 56-27=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[27, 44], Operations: ['64-52=12', '56-12=44'] Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[12, 29], Operations: ['64-52=12', '56-27=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,44 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:[27, 44], Operations: ['64-56=8', '52-8=44'] Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[8, 25], Operations: ['64-56=8', '52-27=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,44 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,44 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 25, 87, 90, 10 ]
81
[ "25-10=15", "90/15=6", "87-6=81" ]
Current State: 81:[25, 87, 90, 10], Operations: [] Exploring Operation: 25-10=15, Resulting Numbers: [87, 90, 15] Generated Node #2: [87, 90, 15] from Operation: 25-10=15 Current State: 81:[87, 90, 15], Operations: ['25-10=15'] Exploring Operation: 90/15=6, Resulting Numbers: [87, 6] Generated Node #3: [87, 6] from Operation: 90/15=6 Current State: 81:[87, 6], Operations: ['25-10=15', '90/15=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[25, 87, 90, 10], Operations: [] Exploring Operation: 90/10=9, Resulting Numbers: [25, 87, 9] Generated Node #0,0: 81:[25, 87, 9] Operation: 90/10=9 Exploring Operation: 87-10=77, Resulting Numbers: [25, 90, 77] Generated Node #0,1: 81:[25, 90, 77] Operation: 87-10=77 Exploring Operation: 90-87=3, Resulting Numbers: [25, 10, 3] Generated Node #0,2: 81:[25, 10, 3] Operation: 90-87=3 Exploring Operation: 90-10=80, Resulting Numbers: [25, 87, 80] Generated Node #0,3: 81:[25, 87, 80] Operation: 90-10=80 Moving to Node #0,2 Current State: 81:[25, 10, 3], Operations: ['90-87=3'] Exploring Operation: 25-10=15, Resulting Numbers: [3, 15] Generated Node #0,2,0: 81:[3, 15] Operation: 25-10=15 Exploring Operation: 10-3=7, Resulting Numbers: [25, 7] Generated Node #0,2,1: 81:[25, 7] Operation: 10-3=7 Exploring Operation: 25+3=28, Resulting Numbers: [10, 28] Generated Node #0,2,2: 81:[10, 28] Operation: 25+3=28 Exploring Operation: 10*3=30, Resulting Numbers: [25, 30] Generated Node #0,2,3: 81:[25, 30] Operation: 10*3=30 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[10, 28], Operations: ['90-87=3', '25+3=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,81 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:[25, 7], Operations: ['90-87=3', '10-3=7'] Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,81 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 25+7=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 #0,2,3 Current State: 81:[25, 30], Operations: ['90-87=3', '10*3=30'] Exploring Operation: 25*30=750, Resulting Numbers: [750] 750,81 unequal: No Solution Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,81 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 #0,2,0 Current State: 81:[3, 15], Operations: ['90-87=3', '25-10=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,81 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:[25, 87, 9], Operations: ['90/10=9'] Exploring Operation: 25-9=16, Resulting Numbers: [87, 16] Generated Node #0,0,0: 81:[87, 16] Operation: 25-9=16 Exploring Operation: 87+9=96, Resulting Numbers: [25, 96] Generated Node #0,0,1: 81:[25, 96] Operation: 87+9=96 Exploring Operation: 25+9=34, Resulting Numbers: [87, 34] Generated Node #0,0,2: 81:[87, 34] Operation: 25+9=34 Exploring Operation: 87-9=78, Resulting Numbers: [25, 78] Generated Node #0,0,3: 81:[25, 78] Operation: 87-9=78 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[25, 78], Operations: ['90/10=9', '87-9=78'] Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,81 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,81 unequal: No Solution Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[87, 16], Operations: ['90/10=9', '25-9=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,81 unequal: No Solution Exploring Operation: 87*16=1392, Resulting Numbers: [1392] 1392,81 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[87, 34], Operations: ['90/10=9', '25+9=34'] Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,81 unequal: No Solution Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,81 unequal: No Solution Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[25, 96], Operations: ['90/10=9', '87+9=96'] Exploring Operation: 25*96=2400, Resulting Numbers: [2400] 2400,81 unequal: No Solution Exploring Operation: 25+96=121, Resulting Numbers: [121] 121,81 unequal: No Solution Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,81 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: 81:[25, 87, 80], Operations: ['90-10=80'] Exploring Operation: 25+87=112, Resulting Numbers: [80, 112] Generated Node #0,3,0: 81:[80, 112] Operation: 25+87=112 Exploring Operation: 25+80=105, Resulting Numbers: [87, 105] Generated Node #0,3,1: 81:[87, 105] Operation: 25+80=105 Exploring Operation: 87-80=7, Resulting Numbers: [25, 7] Generated Node #0,3,2: 81:[25, 7] Operation: 87-80=7 Exploring Operation: 87-25=62, Resulting Numbers: [80, 62] Generated Node #0,3,3: 81:[80, 62] Operation: 87-25=62 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[25, 7], Operations: ['90-10=80', '87-80=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,81 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,81 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 #0,3,3 Current State: 81:[80, 62], Operations: ['90-10=80', '87-25=62'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,81 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 #0,3,1 Current State: 81:[87, 105], Operations: ['90-10=80', '25+80=105'] Exploring Operation: 87+105=192, Resulting Numbers: [192] 192,81 unequal: No Solution Exploring Operation: 105-87=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 87*105=9135, Resulting Numbers: [9135] 9135,81 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 #0,3,0 Current State: 81:[80, 112], Operations: ['90-10=80', '25+87=112'] Exploring Operation: 80+112=192, Resulting Numbers: [192] 192,81 unequal: No Solution Exploring Operation: 80*112=8960, Resulting Numbers: [8960] 8960,81 unequal: No Solution Exploring Operation: 112-80=32, Resulting Numbers: [32] 32,81 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: 81:[25, 90, 77], Operations: ['87-10=77'] Exploring Operation: 90-77=13, Resulting Numbers: [25, 13] Generated Node #0,1,0: 81:[25, 13] Operation: 90-77=13 Exploring Operation: 25+77=102, Resulting Numbers: [90, 102] Generated Node #0,1,1: 81:[90, 102] Operation: 25+77=102 Exploring Operation: 90-25=65, Resulting Numbers: [77, 65] Generated Node #0,1,2: 81:[77, 65] Operation: 90-25=65 Exploring Operation: 77-25=52, Resulting Numbers: [90, 52] Generated Node #0,1,3: 81:[90, 52] Operation: 77-25=52 Moving to Node #0,1,0 Current State: 81:[25, 13], Operations: ['87-10=77', '90-77=13'] Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,81 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[77, 65], Operations: ['87-10=77', '90-25=65'] Exploring Operation: 77+65=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 77*65=5005, Resulting Numbers: [5005] 5005,81 unequal: No Solution Exploring Operation: 77-65=12, Resulting Numbers: [12] 12,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[90, 102], Operations: ['87-10=77', '25+77=102'] Exploring Operation: 90+102=192, Resulting Numbers: [192] 192,81 unequal: No Solution Exploring Operation: 102-90=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 90*102=9180, Resulting Numbers: [9180] 9180,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[90, 52], Operations: ['87-10=77', '77-25=52'] Exploring Operation: 90+52=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 90*52=4680, Resulting Numbers: [4680] 4680,81 unequal: No Solution Exploring Operation: 90-52=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 53, 82, 39, 45 ]
13
[ "53+82=135", "39*45=1755", "1755/135=13" ]
Current State: 13:[53, 82, 39, 45], Operations: [] Exploring Operation: 53+82=135, Resulting Numbers: [39, 45, 135] Generated Node #2: [39, 45, 135] from Operation: 53+82=135 Current State: 13:[39, 45, 135], Operations: ['53+82=135'] Exploring Operation: 39*45=1755, Resulting Numbers: [135, 1755] Generated Node #3: [135, 1755] from Operation: 39*45=1755 Current State: 13:[135, 1755], Operations: ['53+82=135', '39*45=1755'] Exploring Operation: 1755/135=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[53, 82, 39, 45], Operations: [] Exploring Operation: 82-45=37, Resulting Numbers: [53, 39, 37] Generated Node #0,0: 13:[53, 39, 37] Operation: 82-45=37 Exploring Operation: 82-53=29, Resulting Numbers: [39, 45, 29] Generated Node #0,1: 13:[39, 45, 29] Operation: 82-53=29 Moving to Node #0,1 Current State: 13:[39, 45, 29], Operations: ['82-53=29'] Exploring Operation: 45-29=16, Resulting Numbers: [39, 16] Generated Node #0,1,0: 13:[39, 16] Operation: 45-29=16 Exploring Operation: 45-39=6, Resulting Numbers: [29, 6] Generated Node #0,1,1: 13:[29, 6] Operation: 45-39=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[29, 6], Operations: ['82-53=29', '45-39=6'] Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[39, 16], Operations: ['82-53=29', '45-29=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,13 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: 13:[53, 39, 37], Operations: ['82-45=37'] Exploring Operation: 53-39=14, Resulting Numbers: [37, 14] Generated Node #0,0,0: 13:[37, 14] Operation: 53-39=14 Exploring Operation: 53-37=16, Resulting Numbers: [39, 16] Generated Node #0,0,1: 13:[39, 16] Operation: 53-37=16 Moving to Node #0,0,0 Current State: 13:[37, 14], Operations: ['82-45=37', '53-39=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[39, 16], Operations: ['82-45=37', '53-37=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,13 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 42, 61, 42, 14 ]
100
[ "42+61=103", "42/14=3", "103-3=100" ]
Current State: 100:[42, 61, 42, 14], Operations: [] Exploring Operation: 42+61=103, Resulting Numbers: [14, 103] Generated Node #2: [14, 103] from Operation: 42+61=103 Current State: 100:[14, 103], Operations: ['42+61=103'] Exploring Operation: 42/14=3, Resulting Numbers: [103, 3] Generated Node #3: [103, 3] from Operation: 42/14=3 Current State: 100:[103, 3], Operations: ['42+61=103', '42/14=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[42, 61, 42, 14], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [42, 14, 19] Generated Node #0,0: 100:[42, 14, 19] Operation: 61-42=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[42, 14, 19], Operations: ['61-42=19'] Exploring Operation: 42/14=3, Resulting Numbers: [19, 3] Generated Node #0,0,0: 100:[19, 3] Operation: 42/14=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[19, 3], Operations: ['61-42=19', '42/14=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 55, 42, 5, 11 ]
100
[ "42-11=31", "5*31=155", "155-55=100" ]
Current State: 100:[55, 42, 5, 11], Operations: [] Exploring Operation: 42-11=31, Resulting Numbers: [55, 5, 31] Generated Node #2: [55, 5, 31] from Operation: 42-11=31 Current State: 100:[55, 5, 31], Operations: ['42-11=31'] Exploring Operation: 5*31=155, Resulting Numbers: [55, 155] Generated Node #3: [55, 155] from Operation: 5*31=155 Current State: 100:[55, 155], Operations: ['42-11=31', '5*31=155'] Exploring Operation: 155-55=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[55, 42, 5, 11], Operations: [] Exploring Operation: 42+11=53, Resulting Numbers: [55, 5, 53] Generated Node #0,0: 100:[55, 5, 53] Operation: 42+11=53 Exploring Operation: 55-5=50, Resulting Numbers: [42, 11, 50] Generated Node #0,1: 100:[42, 11, 50] Operation: 55-5=50 Exploring Operation: 55/11=5, Resulting Numbers: [42, 5, 5] Generated Node #0,2: 100:[42, 5, 5] Operation: 55/11=5 Exploring Operation: 55-42=13, Resulting Numbers: [5, 11, 13] Generated Node #0,3: 100:[5, 11, 13] Operation: 55-42=13 Exploring Operation: 55+42=97, Resulting Numbers: [5, 11, 97] Generated Node #0,4: 100:[5, 11, 97] Operation: 55+42=97 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[5, 11, 13], Operations: ['55-42=13'] Exploring Operation: 13-11=2, Resulting Numbers: [5, 2] Generated Node #0,3,0: 100:[5, 2] Operation: 13-11=2 Exploring Operation: 11+13=24, Resulting Numbers: [5, 24] Generated Node #0,3,1: 100:[5, 24] Operation: 11+13=24 Exploring Operation: 13-5=8, Resulting Numbers: [11, 8] Generated Node #0,3,2: 100:[11, 8] Operation: 13-5=8 Exploring Operation: 11-5=6, Resulting Numbers: [13, 6] Generated Node #0,3,3: 100:[13, 6] Operation: 11-5=6 Exploring Operation: 5+13=18, Resulting Numbers: [11, 18] Generated Node #0,3,4: 100:[11, 18] Operation: 5+13=18 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[5, 2], Operations: ['55-42=13', '13-11=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[5, 24], Operations: ['55-42=13', '11+13=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[11, 8], Operations: ['55-42=13', '13-5=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 100:[11, 18], Operations: ['55-42=13', '5+13=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[13, 6], Operations: ['55-42=13', '11-5=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,100 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[5, 11, 97], Operations: ['55+42=97'] Exploring Operation: 5+97=102, Resulting Numbers: [11, 102] Generated Node #0,4,0: 100:[11, 102] Operation: 5+97=102 Exploring Operation: 11+97=108, Resulting Numbers: [5, 108] Generated Node #0,4,1: 100:[5, 108] Operation: 11+97=108 Exploring Operation: 11-5=6, Resulting Numbers: [97, 6] Generated Node #0,4,2: 100:[97, 6] Operation: 11-5=6 Exploring Operation: 5+11=16, Resulting Numbers: [97, 16] Generated Node #0,4,3: 100:[97, 16] Operation: 5+11=16 Exploring Operation: 5*11=55, Resulting Numbers: [97, 55] Generated Node #0,4,4: 100:[97, 55] Operation: 5*11=55 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 100:[11, 102], Operations: ['55+42=97', '5+97=102'] Exploring Operation: 102-11=91, Resulting Numbers: [91] 91,100 unequal: No Solution Exploring Operation: 11+102=113, Resulting Numbers: [113] 113,100 unequal: No Solution Exploring Operation: 11*102=1122, Resulting Numbers: [1122] 1122,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 100:[97, 6], Operations: ['55+42=97', '11-5=6'] Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,100 unequal: No Solution Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 100:[97, 16], Operations: ['55+42=97', '5+11=16'] Exploring Operation: 97*16=1552, Resulting Numbers: [1552] 1552,100 unequal: No Solution Exploring Operation: 97+16=113, Resulting Numbers: [113] 113,100 unequal: No Solution Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[5, 108], Operations: ['55+42=97', '11+97=108'] Exploring Operation: 5+108=113, Resulting Numbers: [113] 113,100 unequal: No Solution Exploring Operation: 5*108=540, Resulting Numbers: [540] 540,100 unequal: No Solution Exploring Operation: 108-5=103, Resulting Numbers: [103] 103,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 100:[97, 55], Operations: ['55+42=97', '5*11=55'] Exploring Operation: 97-55=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 97+55=152, Resulting Numbers: [152] 152,100 unequal: No Solution Exploring Operation: 97*55=5335, Resulting Numbers: [5335] 5335,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[55, 5, 53], Operations: ['42+11=53'] Exploring Operation: 53-5=48, Resulting Numbers: [55, 48] Generated Node #0,0,0: 100:[55, 48] Operation: 53-5=48 Exploring Operation: 55+53=108, Resulting Numbers: [5, 108] Generated Node #0,0,1: 100:[5, 108] Operation: 55+53=108 Exploring Operation: 55/5=11, Resulting Numbers: [53, 11] Generated Node #0,0,2: 100:[53, 11] Operation: 55/5=11 Exploring Operation: 55-53=2, Resulting Numbers: [5, 2] Generated Node #0,0,3: 100:[5, 2] Operation: 55-53=2 Exploring Operation: 55-5=50, Resulting Numbers: [53, 50] Generated Node #0,0,4: 100:[53, 50] Operation: 55-5=50 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 100:[5, 2], Operations: ['42+11=53', '55-53=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 100:[53, 50], Operations: ['42+11=53', '55-5=50'] Exploring Operation: 53*50=2650, Resulting Numbers: [2650] 2650,100 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 53+50=103, Resulting Numbers: [103] 103,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[53, 11], Operations: ['42+11=53', '55/5=11'] Exploring Operation: 53*11=583, Resulting Numbers: [583] 583,100 unequal: No Solution Exploring Operation: 53+11=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[55, 48], Operations: ['42+11=53', '53-5=48'] Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,100 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[5, 108], Operations: ['42+11=53', '55+53=108'] Exploring Operation: 5+108=113, Resulting Numbers: [113] 113,100 unequal: No Solution Exploring Operation: 5*108=540, Resulting Numbers: [540] 540,100 unequal: No Solution Exploring Operation: 108-5=103, Resulting Numbers: [103] 103,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[42, 5, 5], Operations: ['55/11=5'] Exploring Operation: 42+5=47, Resulting Numbers: [5, 47] Generated Node #0,2,0: 100:[5, 47] Operation: 42+5=47 Exploring Operation: 5/5=1, Resulting Numbers: [42, 1] Generated Node #0,2,1: 100:[42, 1] Operation: 5/5=1 Exploring Operation: 5*5=25, Resulting Numbers: [42, 25] Generated Node #0,2,2: 100:[42, 25] Operation: 5*5=25 Exploring Operation: 42+5=47, Resulting Numbers: [5, 47] Generated Node #0,2,3: 100:[5, 47] Operation: 42+5=47 Exploring Operation: 5+5=10, Resulting Numbers: [42, 10] Generated Node #0,2,4: 100:[42, 10] Operation: 5+5=10 Moving to Node #0,2,0 Current State: 100:[5, 47], Operations: ['55/11=5', '42+5=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[5, 47], Operations: ['55/11=5', '42+5=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[42, 25], Operations: ['55/11=5', '5*5=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,100 unequal: No Solution Moving to Node #0,2,4 Current State: 100:[42, 10], Operations: ['55/11=5', '5+5=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,100 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,100 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[42, 1], Operations: ['55/11=5', '5/5=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[42, 11, 50], Operations: ['55-5=50'] Exploring Operation: 42-11=31, Resulting Numbers: [50, 31] Generated Node #0,1,0: 100:[50, 31] Operation: 42-11=31 Exploring Operation: 50-42=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 100:[11, 8] Operation: 50-42=8 Exploring Operation: 42+11=53, Resulting Numbers: [50, 53] Generated Node #0,1,2: 100:[50, 53] Operation: 42+11=53 Exploring Operation: 11+50=61, Resulting Numbers: [42, 61] Generated Node #0,1,3: 100:[42, 61] Operation: 11+50=61 Exploring Operation: 42+50=92, Resulting Numbers: [11, 92] Generated Node #0,1,4: 100:[11, 92] Operation: 42+50=92 Moving to Node #0,1,1 Current State: 100:[11, 8], Operations: ['55-5=50', '50-42=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[50, 53], Operations: ['55-5=50', '42+11=53'] Exploring Operation: 50*53=2650, Resulting Numbers: [2650] 2650,100 unequal: No Solution Exploring Operation: 50+53=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[50, 31], Operations: ['55-5=50', '42-11=31'] Exploring Operation: 50*31=1550, Resulting Numbers: [1550] 1550,100 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,100 unequal: No Solution Moving to Node #0,1,4 Current State: 100:[11, 92], Operations: ['55-5=50', '42+50=92'] Exploring Operation: 11*92=1012, Resulting Numbers: [1012] 1012,100 unequal: No Solution Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,100 unequal: No Solution Exploring Operation: 11+92=103, Resulting Numbers: [103] 103,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[42, 61], Operations: ['55-5=50', '11+50=61'] Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 42+61=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 42*61=2562, Resulting Numbers: [2562] 2562,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 44, 3, 45, 87 ]
90
[ "44*3=132", "87-45=42", "132-42=90" ]
Current State: 90:[44, 3, 45, 87], Operations: [] Exploring Operation: 44*3=132, Resulting Numbers: [45, 87, 132] Generated Node #2: [45, 87, 132] from Operation: 44*3=132 Current State: 90:[45, 87, 132], Operations: ['44*3=132'] Exploring Operation: 87-45=42, Resulting Numbers: [132, 42] Generated Node #3: [132, 42] from Operation: 87-45=42 Current State: 90:[132, 42], Operations: ['44*3=132', '87-45=42'] Exploring Operation: 132-42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[44, 3, 45, 87], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [3, 45, 43] Generated Node #0,0: 90:[3, 45, 43] Operation: 87-44=43 Exploring Operation: 87/3=29, Resulting Numbers: [44, 45, 29] Generated Node #0,1: 90:[44, 45, 29] Operation: 87/3=29 Exploring Operation: 3+87=90, Resulting Numbers: [44, 45, 90] Generated Node #0,2: 90:[44, 45, 90] Operation: 3+87=90 Moving to Node #0,2 Current State: 90:[44, 45, 90], Operations: ['3+87=90'] Exploring Operation: 90-44=46, Resulting Numbers: [45, 46] Generated Node #0,2,0: 90:[45, 46] Operation: 90-44=46 Exploring Operation: 44+45=89, Resulting Numbers: [90, 89] Generated Node #0,2,1: 90:[90, 89] Operation: 44+45=89 Exploring Operation: 45-44=1, Resulting Numbers: [90, 1] Generated Node #0,2,2: 90:[90, 1] Operation: 45-44=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[45, 46], Operations: ['3+87=90', '90-44=46'] Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[90, 89], Operations: ['3+87=90', '44+45=89'] Exploring Operation: 90*89=8010, Resulting Numbers: [8010] 8010,90 unequal: No Solution Exploring Operation: 90+89=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[90, 1], Operations: ['3+87=90', '45-44=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[44, 3, 45, 87], Operations: [] Exploring Operation: 3+87=90, Resulting Numbers: [44, 45, 90] Generated Node #0,2: 90:[44, 45, 90] Operation: 3+87=90 Moving to Node #0,2 Current State: 90:[44, 45, 90], Operations: ['3+87=90'] Exploring Operation: 45-44=1, Resulting Numbers: [90, 1] Generated Node #0,2,2: 90:[90, 1] Operation: 45-44=1 Moving to Node #0,2,2 Current State: 90:[90, 1], Operations: ['3+87=90', '45-44=1'] Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 99, 23, 3, 61 ]
91
[ "99+61=160", "23*3=69", "160-69=91" ]
Current State: 91:[99, 23, 3, 61], Operations: [] Exploring Operation: 99+61=160, Resulting Numbers: [23, 3, 160] Generated Node #2: [23, 3, 160] from Operation: 99+61=160 Current State: 91:[23, 3, 160], Operations: ['99+61=160'] Exploring Operation: 23*3=69, Resulting Numbers: [160, 69] Generated Node #3: [160, 69] from Operation: 23*3=69 Current State: 91:[160, 69], Operations: ['99+61=160', '23*3=69'] Exploring Operation: 160-69=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[99, 23, 3, 61], Operations: [] Exploring Operation: 23+61=84, Resulting Numbers: [99, 3, 84] Generated Node #0,0: 91:[99, 3, 84] Operation: 23+61=84 Exploring Operation: 61-23=38, Resulting Numbers: [99, 3, 38] Generated Node #0,1: 91:[99, 3, 38] Operation: 61-23=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[99, 3, 84], Operations: ['23+61=84'] Exploring Operation: 99-3=96, Resulting Numbers: [84, 96] Generated Node #0,0,0: 91:[84, 96] Operation: 99-3=96 Exploring Operation: 99-84=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 91:[3, 15] Operation: 99-84=15 Moving to Node #0,0,1 Current State: 91:[3, 15], Operations: ['23+61=84', '99-84=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[84, 96], Operations: ['23+61=84', '99-3=96'] Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 84+96=180, Resulting Numbers: [180] 180,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[99, 3, 38], Operations: ['61-23=38'] Exploring Operation: 38-3=35, Resulting Numbers: [99, 35] Generated Node #0,1,0: 91:[99, 35] Operation: 38-3=35 Exploring Operation: 99-3=96, Resulting Numbers: [38, 96] Generated Node #0,1,1: 91:[38, 96] Operation: 99-3=96 Moving to Node #0,1,0 Current State: 91:[99, 35], Operations: ['61-23=38', '38-3=35'] Exploring Operation: 99+35=134, Resulting Numbers: [134] 134,91 unequal: No Solution Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[38, 96], Operations: ['61-23=38', '99-3=96'] Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 38+96=134, Resulting Numbers: [134] 134,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 7, 29, 55, 7 ]
25
[ "7/7=1", "55-29=26", "26-1=25" ]
Current State: 25:[7, 29, 55, 7], Operations: [] Exploring Operation: 7/7=1, Resulting Numbers: [29, 55, 1] Generated Node #2: [29, 55, 1] from Operation: 7/7=1 Current State: 25:[29, 55, 1], Operations: ['7/7=1'] Exploring Operation: 55-29=26, Resulting Numbers: [1, 26] Generated Node #3: [1, 26] from Operation: 55-29=26 Current State: 25:[1, 26], Operations: ['7/7=1', '55-29=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[7, 29, 55, 7], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [7, 7, 26] Generated Node #0,0: 25:[7, 7, 26] Operation: 55-29=26 Exploring Operation: 55-7=48, Resulting Numbers: [29, 7, 48] Generated Node #0,1: 25:[29, 7, 48] Operation: 55-7=48 Moving to Node #0,0 Current State: 25:[7, 7, 26], Operations: ['55-29=26'] Exploring Operation: 7-7=0, Resulting Numbers: [26, 0] Generated Node #0,0,0: 25:[26, 0] Operation: 7-7=0 Exploring Operation: 7/7=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 25:[26, 1] Operation: 7/7=1 Moving to Node #0,1 Current State: 25:[29, 7, 48], Operations: ['55-7=48'] Exploring Operation: 48-7=41, Resulting Numbers: [29, 41] Generated Node #0,1,0: 25:[29, 41] Operation: 48-7=41 Exploring Operation: 48-29=19, Resulting Numbers: [7, 19] Generated Node #0,1,1: 25:[7, 19] Operation: 48-29=19 Moving to Node #0,0,1 Current State: 25:[26, 1], Operations: ['55-29=26', '7/7=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[7, 29, 55, 7], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [7, 7, 26] Generated Node #0,0: 25:[7, 7, 26] Operation: 55-29=26 Moving to Node #0,0 Current State: 25:[7, 7, 26], Operations: ['55-29=26'] Exploring Operation: 7/7=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 25:[26, 1] Operation: 7/7=1 Moving to Node #0,0,1 Current State: 25:[26, 1], Operations: ['55-29=26', '7/7=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 9, 63, 67, 87 ]
82
[ "9+63=72", "67+87=154", "154-72=82" ]
Current State: 82:[9, 63, 67, 87], Operations: [] Exploring Operation: 9+63=72, Resulting Numbers: [67, 87, 72] Generated Node #2: [67, 87, 72] from Operation: 9+63=72 Current State: 82:[67, 87, 72], Operations: ['9+63=72'] Exploring Operation: 67+87=154, Resulting Numbers: [72, 154] Generated Node #3: [72, 154] from Operation: 67+87=154 Current State: 82:[72, 154], Operations: ['9+63=72', '67+87=154'] Exploring Operation: 154-72=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[9, 63, 67, 87], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [9, 87, 4] Generated Node #0,0: 82:[9, 87, 4] Operation: 67-63=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[9, 87, 4], Operations: ['67-63=4'] Exploring Operation: 87-9=78, Resulting Numbers: [4, 78] Generated Node #0,0,0: 82:[4, 78] Operation: 87-9=78 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[4, 78], Operations: ['67-63=4', '87-9=78'] Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[9, 63, 67, 87], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [9, 87, 4] Generated Node #0,0: 82:[9, 87, 4] Operation: 67-63=4 Moving to Node #0,0 Current State: 82:[9, 87, 4], Operations: ['67-63=4'] Exploring Operation: 87-9=78, Resulting Numbers: [4, 78] Generated Node #0,0,0: 82:[4, 78] Operation: 87-9=78 Moving to Node #0,0,0 Current State: 82:[4, 78], Operations: ['67-63=4', '87-9=78'] Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 87, 63, 93, 64 ]
53
[ "87-63=24", "93-64=29", "24+29=53" ]
Current State: 53:[87, 63, 93, 64], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [93, 64, 24] Generated Node #2: [93, 64, 24] from Operation: 87-63=24 Current State: 53:[93, 64, 24], Operations: ['87-63=24'] Exploring Operation: 93-64=29, Resulting Numbers: [24, 29] Generated Node #3: [24, 29] from Operation: 93-64=29 Current State: 53:[24, 29], Operations: ['87-63=24', '93-64=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[87, 63, 93, 64], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [93, 64, 24] Generated Node #0,0: 53:[93, 64, 24] Operation: 87-63=24 Exploring Operation: 93-64=29, Resulting Numbers: [87, 63, 29] Generated Node #0,1: 53:[87, 63, 29] Operation: 93-64=29 Exploring Operation: 87-64=23, Resulting Numbers: [63, 93, 23] Generated Node #0,2: 53:[63, 93, 23] Operation: 87-64=23 Exploring Operation: 93-87=6, Resulting Numbers: [63, 64, 6] Generated Node #0,3: 53:[63, 64, 6] Operation: 93-87=6 Exploring Operation: 93-63=30, Resulting Numbers: [87, 64, 30] Generated Node #0,4: 53:[87, 64, 30] Operation: 93-63=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[87, 63, 29], Operations: ['93-64=29'] Exploring Operation: 63-29=34, Resulting Numbers: [87, 34] Generated Node #0,1,0: 53:[87, 34] Operation: 63-29=34 Exploring Operation: 87+29=116, Resulting Numbers: [63, 116] Generated Node #0,1,1: 53:[63, 116] Operation: 87+29=116 Exploring Operation: 87/29=3, Resulting Numbers: [63, 3] Generated Node #0,1,2: 53:[63, 3] Operation: 87/29=3 Exploring Operation: 87-29=58, Resulting Numbers: [63, 58] Generated Node #0,1,3: 53:[63, 58] Operation: 87-29=58 Exploring Operation: 87-63=24, Resulting Numbers: [29, 24] Generated Node #0,1,4: 53:[29, 24] Operation: 87-63=24 Moving to Node #0,1,3 Current State: 53:[63, 58], Operations: ['93-64=29', '87-29=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,53 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,53 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[29, 24], Operations: ['93-64=29', '87-63=24'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,53 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,53 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[87, 63, 93, 64], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [87, 63, 29] Generated Node #0,1: 53:[87, 63, 29] Operation: 93-64=29 Moving to Node #0,1 Current State: 53:[87, 63, 29], Operations: ['93-64=29'] Exploring Operation: 87-63=24, Resulting Numbers: [29, 24] Generated Node #0,1,4: 53:[29, 24] Operation: 87-63=24 Moving to Node #0,1,4 Current State: 53:[29, 24], Operations: ['93-64=29', '87-63=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 30, 34, 33, 3 ]
32
[ "34-30=4", "33+3=36", "36-4=32" ]
Current State: 32:[30, 34, 33, 3], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [33, 3, 4] Generated Node #2: [33, 3, 4] from Operation: 34-30=4 Current State: 32:[33, 3, 4], Operations: ['34-30=4'] Exploring Operation: 33+3=36, Resulting Numbers: [4, 36] Generated Node #3: [4, 36] from Operation: 33+3=36 Current State: 32:[4, 36], Operations: ['34-30=4', '33+3=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[30, 34, 33, 3], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [33, 3, 4] Generated Node #0,0: 32:[33, 3, 4] Operation: 34-30=4 Exploring Operation: 33-30=3, Resulting Numbers: [34, 3, 3] Generated Node #0,1: 32:[34, 3, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[33, 3, 4], Operations: ['34-30=4'] Exploring Operation: 33-3=30, Resulting Numbers: [4, 30] Generated Node #0,0,0: 32:[4, 30] Operation: 33-3=30 Exploring Operation: 3+4=7, Resulting Numbers: [33, 7] Generated Node #0,0,1: 32:[33, 7] Operation: 3+4=7 Moving to Node #0,0,0 Current State: 32:[4, 30], Operations: ['34-30=4', '33-3=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[33, 7], Operations: ['34-30=4', '3+4=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[34, 3, 3], Operations: ['33-30=3'] Exploring Operation: 34-3=31, Resulting Numbers: [3, 31] Generated Node #0,1,0: 32:[3, 31] Operation: 34-3=31 Exploring Operation: 34-3=31, Resulting Numbers: [3, 31] Generated Node #0,1,1: 32:[3, 31] Operation: 34-3=31 Moving to Node #0,1,0 Current State: 32:[3, 31], Operations: ['33-30=3', '34-3=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[3, 31], Operations: ['33-30=3', '34-3=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 66, 68, 62, 38 ]
22
[ "68-66=2", "62-38=24", "24-2=22" ]
Current State: 22:[66, 68, 62, 38], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [62, 38, 2] Generated Node #2: [62, 38, 2] from Operation: 68-66=2 Current State: 22:[62, 38, 2], Operations: ['68-66=2'] Exploring Operation: 62-38=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 62-38=24 Current State: 22:[2, 24], Operations: ['68-66=2', '62-38=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[66, 68, 62, 38], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [62, 38, 2] Generated Node #0,0: 22:[62, 38, 2] Operation: 68-66=2 Exploring Operation: 66-62=4, Resulting Numbers: [68, 38, 4] Generated Node #0,1: 22:[68, 38, 4] Operation: 66-62=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[62, 38, 2], Operations: ['68-66=2'] Exploring Operation: 62/2=31, Resulting Numbers: [38, 31] Generated Node #0,0,0: 22:[38, 31] Operation: 62/2=31 Exploring Operation: 62-38=24, Resulting Numbers: [2, 24] Generated Node #0,0,1: 22:[2, 24] Operation: 62-38=24 Moving to Node #0,0,1 Current State: 22:[2, 24], Operations: ['68-66=2', '62-38=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[66, 68, 62, 38], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [62, 38, 2] Generated Node #0,0: 22:[62, 38, 2] Operation: 68-66=2 Moving to Node #0,0 Current State: 22:[62, 38, 2], Operations: ['68-66=2'] Exploring Operation: 62-38=24, Resulting Numbers: [2, 24] Generated Node #0,0,1: 22:[2, 24] Operation: 62-38=24 Moving to Node #0,0,1 Current State: 22:[2, 24], Operations: ['68-66=2', '62-38=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 58, 54, 64, 4 ]
78
[ "64-58=6", "4*6=24", "54+24=78" ]
Current State: 78:[58, 54, 64, 4], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [54, 4, 6] Generated Node #2: [54, 4, 6] from Operation: 64-58=6 Current State: 78:[54, 4, 6], Operations: ['64-58=6'] Exploring Operation: 4*6=24, Resulting Numbers: [54, 24] Generated Node #3: [54, 24] from Operation: 4*6=24 Current State: 78:[54, 24], Operations: ['64-58=6', '4*6=24'] Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[58, 54, 64, 4], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [54, 4, 6] Generated Node #0,0: 78:[54, 4, 6] Operation: 64-58=6 Exploring Operation: 58-54=4, Resulting Numbers: [64, 4, 4] Generated Node #0,1: 78:[64, 4, 4] Operation: 58-54=4 Moving to Node #0,0 Current State: 78:[54, 4, 6], Operations: ['64-58=6'] Exploring Operation: 54-6=48, Resulting Numbers: [4, 48] Generated Node #0,0,0: 78:[4, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 78:[4, 9] Operation: 54/6=9 Moving to Node #0,1 Current State: 78:[64, 4, 4], Operations: ['58-54=4'] Exploring Operation: 64/4=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 78:[4, 16] Operation: 64/4=16 Exploring Operation: 64/4=16, Resulting Numbers: [4, 16] Generated Node #0,1,1: 78:[4, 16] Operation: 64/4=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[4, 16], Operations: ['58-54=4', '64/4=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[4, 16], Operations: ['58-54=4', '64/4=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,78 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: 78:[4, 9], Operations: ['64-58=6', '54/6=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[4, 48], Operations: ['64-58=6', '54-6=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,78 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 2, 81, 20, 3 ]
94
[ "20/2=10", "81+3=84", "10+84=94" ]
Current State: 94:[2, 81, 20, 3], Operations: [] Exploring Operation: 20/2=10, Resulting Numbers: [81, 3, 10] Generated Node #2: [81, 3, 10] from Operation: 20/2=10 Current State: 94:[81, 3, 10], Operations: ['20/2=10'] Exploring Operation: 81+3=84, Resulting Numbers: [10, 84] Generated Node #3: [10, 84] from Operation: 81+3=84 Current State: 94:[10, 84], Operations: ['20/2=10', '81+3=84'] Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[2, 81, 20, 3], Operations: [] Exploring Operation: 81+20=101, Resulting Numbers: [2, 3, 101] Generated Node #0,0: 94:[2, 3, 101] Operation: 81+20=101 Moving to Node #0,0 Current State: 94:[2, 3, 101], Operations: ['81+20=101'] Exploring Operation: 101-3=98, Resulting Numbers: [2, 98] Generated Node #0,0,0: 94:[2, 98] Operation: 101-3=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[2, 98], Operations: ['81+20=101', '101-3=98'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 73, 27, 97 ]
33
[ "18+73=91", "27+97=124", "124-91=33" ]
Current State: 33:[18, 73, 27, 97], Operations: [] Exploring Operation: 18+73=91, Resulting Numbers: [27, 97, 91] Generated Node #2: [27, 97, 91] from Operation: 18+73=91 Current State: 33:[27, 97, 91], Operations: ['18+73=91'] Exploring Operation: 27+97=124, Resulting Numbers: [91, 124] Generated Node #3: [91, 124] from Operation: 27+97=124 Current State: 33:[91, 124], Operations: ['18+73=91', '27+97=124'] Exploring Operation: 124-91=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[18, 73, 27, 97], Operations: [] Exploring Operation: 73-27=46, Resulting Numbers: [18, 97, 46] Generated Node #0,0: 33:[18, 97, 46] Operation: 73-27=46 Exploring Operation: 97-73=24, Resulting Numbers: [18, 27, 24] Generated Node #0,1: 33:[18, 27, 24] Operation: 97-73=24 Exploring Operation: 97-27=70, Resulting Numbers: [18, 73, 70] Generated Node #0,2: 33:[18, 73, 70] Operation: 97-27=70 Exploring Operation: 73-18=55, Resulting Numbers: [27, 97, 55] Generated Node #0,3: 33:[27, 97, 55] Operation: 73-18=55 Moving to Node #0,1 Current State: 33:[18, 27, 24], Operations: ['97-73=24'] Exploring Operation: 18+24=42, Resulting Numbers: [27, 42] Generated Node #0,1,0: 33:[27, 42] Operation: 18+24=42 Exploring Operation: 27-24=3, Resulting Numbers: [18, 3] Generated Node #0,1,1: 33:[18, 3] Operation: 27-24=3 Exploring Operation: 27-18=9, Resulting Numbers: [24, 9] Generated Node #0,1,2: 33:[24, 9] Operation: 27-18=9 Exploring Operation: 24-18=6, Resulting Numbers: [27, 6] Generated Node #0,1,3: 33:[27, 6] Operation: 24-18=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[18, 3], Operations: ['97-73=24', '27-24=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,33 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 33:[27, 6], Operations: ['97-73=24', '24-18=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[18, 73, 27, 97], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [18, 27, 24] Generated Node #0,1: 33:[18, 27, 24] Operation: 97-73=24 Moving to Node #0,1 Current State: 33:[18, 27, 24], Operations: ['97-73=24'] Exploring Operation: 24-18=6, Resulting Numbers: [27, 6] Generated Node #0,1,3: 33:[27, 6] Operation: 24-18=6 Moving to Node #0,1,3 Current State: 33:[27, 6], Operations: ['97-73=24', '24-18=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 23, 61, 34, 60 ]
58
[ "23+61=84", "60-34=26", "84-26=58" ]
Current State: 58:[23, 61, 34, 60], Operations: [] Exploring Operation: 23+61=84, Resulting Numbers: [34, 60, 84] Generated Node #2: [34, 60, 84] from Operation: 23+61=84 Current State: 58:[34, 60, 84], Operations: ['23+61=84'] Exploring Operation: 60-34=26, Resulting Numbers: [84, 26] Generated Node #3: [84, 26] from Operation: 60-34=26 Current State: 58:[84, 26], Operations: ['23+61=84', '60-34=26'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[23, 61, 34, 60], Operations: [] Exploring Operation: 23+34=57, Resulting Numbers: [61, 60, 57] Generated Node #0,0: 58:[61, 60, 57] Operation: 23+34=57 Exploring Operation: 61-34=27, Resulting Numbers: [23, 60, 27] Generated Node #0,1: 58:[23, 60, 27] Operation: 61-34=27 Exploring Operation: 61-60=1, Resulting Numbers: [23, 34, 1] Generated Node #0,2: 58:[23, 34, 1] Operation: 61-60=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[61, 60, 57], Operations: ['23+34=57'] Exploring Operation: 61-57=4, Resulting Numbers: [60, 4] Generated Node #0,0,0: 58:[60, 4] Operation: 61-57=4 Exploring Operation: 61-60=1, Resulting Numbers: [57, 1] Generated Node #0,0,1: 58:[57, 1] Operation: 61-60=1 Exploring Operation: 60-57=3, Resulting Numbers: [61, 3] Generated Node #0,0,2: 58:[61, 3] Operation: 60-57=3 Moving to Node #0,0,1 Current State: 58:[57, 1], Operations: ['23+34=57', '61-60=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[23, 61, 34, 60], Operations: [] Exploring Operation: 23+34=57, Resulting Numbers: [61, 60, 57] Generated Node #0,0: 58:[61, 60, 57] Operation: 23+34=57 Moving to Node #0,0 Current State: 58:[61, 60, 57], Operations: ['23+34=57'] Exploring Operation: 61-60=1, Resulting Numbers: [57, 1] Generated Node #0,0,1: 58:[57, 1] Operation: 61-60=1 Moving to Node #0,0,1 Current State: 58:[57, 1], Operations: ['23+34=57', '61-60=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 12, 52, 83, 88 ]
35
[ "52-12=40", "88-83=5", "40-5=35" ]
Current State: 35:[12, 52, 83, 88], Operations: [] Exploring Operation: 52-12=40, Resulting Numbers: [83, 88, 40] Generated Node #2: [83, 88, 40] from Operation: 52-12=40 Current State: 35:[83, 88, 40], Operations: ['52-12=40'] Exploring Operation: 88-83=5, Resulting Numbers: [40, 5] Generated Node #3: [40, 5] from Operation: 88-83=5 Current State: 35:[40, 5], Operations: ['52-12=40', '88-83=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[12, 52, 83, 88], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [12, 52, 5] Generated Node #0,0: 35:[12, 52, 5] Operation: 88-83=5 Exploring Operation: 88-52=36, Resulting Numbers: [12, 83, 36] Generated Node #0,1: 35:[12, 83, 36] Operation: 88-52=36 Moving to Node #0,0 Current State: 35:[12, 52, 5], Operations: ['88-83=5'] Exploring Operation: 52-12=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 35:[5, 40] Operation: 52-12=40 Exploring Operation: 12-5=7, Resulting Numbers: [52, 7] Generated Node #0,0,1: 35:[52, 7] Operation: 12-5=7 Moving to Node #0,1 Current State: 35:[12, 83, 36], Operations: ['88-52=36'] Exploring Operation: 83-36=47, Resulting Numbers: [12, 47] Generated Node #0,1,0: 35:[12, 47] Operation: 83-36=47 Exploring Operation: 83-12=71, Resulting Numbers: [36, 71] Generated Node #0,1,1: 35:[36, 71] Operation: 83-12=71 Moving to Node #0,0,0 Current State: 35:[5, 40], Operations: ['88-83=5', '52-12=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[12, 52, 83, 88], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [12, 52, 5] Generated Node #0,0: 35:[12, 52, 5] Operation: 88-83=5 Moving to Node #0,0 Current State: 35:[12, 52, 5], Operations: ['88-83=5'] Exploring Operation: 52-12=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 35:[5, 40] Operation: 52-12=40 Moving to Node #0,0,0 Current State: 35:[5, 40], Operations: ['88-83=5', '52-12=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 77, 71, 68, 90 ]
39
[ "90-77=13", "71-68=3", "13*3=39" ]
Current State: 39:[77, 71, 68, 90], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [71, 68, 13] Generated Node #2: [71, 68, 13] from Operation: 90-77=13 Current State: 39:[71, 68, 13], Operations: ['90-77=13'] Exploring Operation: 71-68=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 71-68=3 Current State: 39:[13, 3], Operations: ['90-77=13', '71-68=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[77, 71, 68, 90], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [71, 90, 9] Generated Node #0,0: 39:[71, 90, 9] Operation: 77-68=9 Exploring Operation: 77-71=6, Resulting Numbers: [68, 90, 6] Generated Node #0,1: 39:[68, 90, 6] Operation: 77-71=6 Exploring Operation: 90-71=19, Resulting Numbers: [77, 68, 19] Generated Node #0,2: 39:[77, 68, 19] Operation: 90-71=19 Exploring Operation: 90-68=22, Resulting Numbers: [77, 71, 22] Generated Node #0,3: 39:[77, 71, 22] Operation: 90-68=22 Exploring Operation: 90-77=13, Resulting Numbers: [71, 68, 13] Generated Node #0,4: 39:[71, 68, 13] Operation: 90-77=13 Moving to Node #0,4 Current State: 39:[71, 68, 13], Operations: ['90-77=13'] Exploring Operation: 71-13=58, Resulting Numbers: [68, 58] Generated Node #0,4,0: 39:[68, 58] Operation: 71-13=58 Exploring Operation: 68+13=81, Resulting Numbers: [71, 81] Generated Node #0,4,1: 39:[71, 81] Operation: 68+13=81 Exploring Operation: 71-68=3, Resulting Numbers: [13, 3] Generated Node #0,4,2: 39:[13, 3] Operation: 71-68=3 Exploring Operation: 68-13=55, Resulting Numbers: [71, 55] Generated Node #0,4,3: 39:[71, 55] Operation: 68-13=55 Exploring Operation: 71+13=84, Resulting Numbers: [68, 84] Generated Node #0,4,4: 39:[68, 84] Operation: 71+13=84 Moving to Node #0,2 Current State: 39:[77, 68, 19], Operations: ['90-71=19'] Exploring Operation: 68-19=49, Resulting Numbers: [77, 49] Generated Node #0,2,0: 39:[77, 49] Operation: 68-19=49 Exploring Operation: 77-19=58, Resulting Numbers: [68, 58] Generated Node #0,2,1: 39:[68, 58] Operation: 77-19=58 Exploring Operation: 68+19=87, Resulting Numbers: [77, 87] Generated Node #0,2,2: 39:[77, 87] Operation: 68+19=87 Exploring Operation: 77-68=9, Resulting Numbers: [19, 9] Generated Node #0,2,3: 39:[19, 9] Operation: 77-68=9 Exploring Operation: 77+19=96, Resulting Numbers: [68, 96] Generated Node #0,2,4: 39:[68, 96] Operation: 77+19=96 Moving to Node #0,3 Current State: 39:[77, 71, 22], Operations: ['90-68=22'] Exploring Operation: 77+22=99, Resulting Numbers: [71, 99] Generated Node #0,3,0: 39:[71, 99] Operation: 77+22=99 Exploring Operation: 71-22=49, Resulting Numbers: [77, 49] Generated Node #0,3,1: 39:[77, 49] Operation: 71-22=49 Exploring Operation: 77-22=55, Resulting Numbers: [71, 55] Generated Node #0,3,2: 39:[71, 55] Operation: 77-22=55 Exploring Operation: 71+22=93, Resulting Numbers: [77, 93] Generated Node #0,3,3: 39:[77, 93] Operation: 71+22=93 Exploring Operation: 77-71=6, Resulting Numbers: [22, 6] Generated Node #0,3,4: 39:[22, 6] Operation: 77-71=6 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 39:[22, 6], Operations: ['90-68=22', '77-71=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[77, 49], Operations: ['90-68=22', '71-22=49'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 77*49=3773, Resulting Numbers: [3773] 3773,39 unequal: No Solution Exploring Operation: 77+49=126, Resulting Numbers: [126] 126,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[71, 55], Operations: ['90-68=22', '77-22=55'] Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 71*55=3905, Resulting Numbers: [3905] 3905,39 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[71, 99], Operations: ['90-68=22', '77+22=99'] Exploring Operation: 99-71=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 71+99=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 71*99=7029, Resulting Numbers: [7029] 7029,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[77, 93], Operations: ['90-68=22', '71+22=93'] Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,39 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,39 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: 39:[68, 90, 6], Operations: ['77-71=6'] Exploring Operation: 68+6=74, Resulting Numbers: [90, 74] Generated Node #0,1,0: 39:[90, 74] Operation: 68+6=74 Exploring Operation: 90-68=22, Resulting Numbers: [6, 22] Generated Node #0,1,1: 39:[6, 22] Operation: 90-68=22 Exploring Operation: 90-6=84, Resulting Numbers: [68, 84] Generated Node #0,1,2: 39:[68, 84] Operation: 90-6=84 Exploring Operation: 90/6=15, Resulting Numbers: [68, 15] Generated Node #0,1,3: 39:[68, 15] Operation: 90/6=15 Exploring Operation: 68-6=62, Resulting Numbers: [90, 62] Generated Node #0,1,4: 39:[90, 62] Operation: 68-6=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[6, 22], Operations: ['77-71=6', '90-68=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,39 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[68, 15], Operations: ['77-71=6', '90/6=15'] Exploring Operation: 68*15=1020, Resulting Numbers: [1020] 1020,39 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[68, 84], Operations: ['77-71=6', '90-6=84'] Exploring Operation: 68+84=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 68*84=5712, Resulting Numbers: [5712] 5712,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[90, 62], Operations: ['77-71=6', '68-6=62'] Exploring Operation: 90-62=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 90+62=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 90*62=5580, Resulting Numbers: [5580] 5580,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[90, 74], Operations: ['77-71=6', '68+6=74'] Exploring Operation: 90+74=164, Resulting Numbers: [164] 164,39 unequal: No Solution Exploring Operation: 90*74=6660, Resulting Numbers: [6660] 6660,39 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,39 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: 39:[71, 90, 9], Operations: ['77-68=9'] Exploring Operation: 71+9=80, Resulting Numbers: [90, 80] Generated Node #0,0,0: 39:[90, 80] Operation: 71+9=80 Exploring Operation: 90/9=10, Resulting Numbers: [71, 10] Generated Node #0,0,1: 39:[71, 10] Operation: 90/9=10 Exploring Operation: 90-9=81, Resulting Numbers: [71, 81] Generated Node #0,0,2: 39:[71, 81] Operation: 90-9=81 Exploring Operation: 90-71=19, Resulting Numbers: [9, 19] Generated Node #0,0,3: 39:[9, 19] Operation: 90-71=19 Exploring Operation: 71-9=62, Resulting Numbers: [90, 62] Generated Node #0,0,4: 39:[90, 62] Operation: 71-9=62 Moving to Node #0,4,2 Current State: 39:[13, 3], Operations: ['90-77=13', '71-68=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[77, 71, 68, 90], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [71, 68, 13] Generated Node #0,4: 39:[71, 68, 13] Operation: 90-77=13 Moving to Node #0,4 Current State: 39:[71, 68, 13], Operations: ['90-77=13'] Exploring Operation: 71-68=3, Resulting Numbers: [13, 3] Generated Node #0,4,2: 39:[13, 3] Operation: 71-68=3 Moving to Node #0,4,2 Current State: 39:[13, 3], Operations: ['90-77=13', '71-68=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 4, 78, 58, 56 ]
19
[ "78-58=20", "56+20=76", "76/4=19" ]
Current State: 19:[4, 78, 58, 56], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [4, 56, 20] Generated Node #2: [4, 56, 20] from Operation: 78-58=20 Current State: 19:[4, 56, 20], Operations: ['78-58=20'] Exploring Operation: 56+20=76, Resulting Numbers: [4, 76] Generated Node #3: [4, 76] from Operation: 56+20=76 Current State: 19:[4, 76], Operations: ['78-58=20', '56+20=76'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[4, 78, 58, 56], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [4, 78, 2] Generated Node #0,0: 19:[4, 78, 2] Operation: 58-56=2 Exploring Operation: 78-56=22, Resulting Numbers: [4, 58, 22] Generated Node #0,1: 19:[4, 58, 22] Operation: 78-56=22 Exploring Operation: 78-58=20, Resulting Numbers: [4, 56, 20] Generated Node #0,2: 19:[4, 56, 20] Operation: 78-58=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[4, 56, 20], Operations: ['78-58=20'] Exploring Operation: 56/4=14, Resulting Numbers: [20, 14] Generated Node #0,2,0: 19:[20, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [20, 52] Generated Node #0,2,1: 19:[20, 52] Operation: 56-4=52 Exploring Operation: 56-20=36, Resulting Numbers: [4, 36] Generated Node #0,2,2: 19:[4, 36] Operation: 56-20=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 19:[20, 14], Operations: ['78-58=20', '56/4=14'] Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,19 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 19:[4, 36], Operations: ['78-58=20', '56-20=36'] Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[20, 52], Operations: ['78-58=20', '56-4=52'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,19 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,19 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: 19:[4, 58, 22], Operations: ['78-56=22'] Exploring Operation: 58-4=54, Resulting Numbers: [22, 54] Generated Node #0,1,0: 19:[22, 54] Operation: 58-4=54 Exploring Operation: 58-22=36, Resulting Numbers: [4, 36] Generated Node #0,1,1: 19:[4, 36] Operation: 58-22=36 Exploring Operation: 22-4=18, Resulting Numbers: [58, 18] Generated Node #0,1,2: 19:[58, 18] Operation: 22-4=18 Moving to Node #0,1,1 Current State: 19:[4, 36], Operations: ['78-56=22', '58-22=36'] Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[22, 54], Operations: ['78-56=22', '58-4=54'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 22*54=1188, Resulting Numbers: [1188] 1188,19 unequal: No Solution Exploring Operation: 22+54=76, Resulting Numbers: [76] 76,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[58, 18], Operations: ['78-56=22', '22-4=18'] Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,19 unequal: No Solution No 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: 19:[4, 78, 2], Operations: ['58-56=2'] Exploring Operation: 78/2=39, Resulting Numbers: [4, 39] Generated Node #0,0,0: 19:[4, 39] Operation: 78/2=39 Exploring Operation: 78-4=74, Resulting Numbers: [2, 74] Generated Node #0,0,1: 19:[2, 74] Operation: 78-4=74 Exploring Operation: 4*2=8, Resulting Numbers: [78, 8] Generated Node #0,0,2: 19:[78, 8] Operation: 4*2=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[4, 39], Operations: ['58-56=2', '78/2=39'] Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,19 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[78, 8], Operations: ['58-56=2', '4*2=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,19 unequal: No Solution Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,19 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[2, 74], Operations: ['58-56=2', '78-4=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,19 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
[ 52, 33, 71, 25 ]
39
[ "52+33=85", "71-25=46", "85-46=39" ]
Current State: 39:[52, 33, 71, 25], Operations: [] Exploring Operation: 52+33=85, Resulting Numbers: [71, 25, 85] Generated Node #2: [71, 25, 85] from Operation: 52+33=85 Current State: 39:[71, 25, 85], Operations: ['52+33=85'] Exploring Operation: 71-25=46, Resulting Numbers: [85, 46] Generated Node #3: [85, 46] from Operation: 71-25=46 Current State: 39:[85, 46], Operations: ['52+33=85', '71-25=46'] Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[52, 33, 71, 25], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [33, 25, 19] Generated Node #0,0: 39:[33, 25, 19] Operation: 71-52=19 Exploring Operation: 71-33=38, Resulting Numbers: [52, 25, 38] Generated Node #0,1: 39:[52, 25, 38] Operation: 71-33=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[33, 25, 19], Operations: ['71-52=19'] Exploring Operation: 25-19=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 39:[33, 6] Operation: 25-19=6 Exploring Operation: 33-25=8, Resulting Numbers: [19, 8] Generated Node #0,0,1: 39:[19, 8] Operation: 33-25=8 Moving to Node #0,0,0 Current State: 39:[33, 6], Operations: ['71-52=19', '25-19=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[52, 33, 71, 25], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [33, 25, 19] Generated Node #0,0: 39:[33, 25, 19] Operation: 71-52=19 Moving to Node #0,0 Current State: 39:[33, 25, 19], Operations: ['71-52=19'] Exploring Operation: 25-19=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 39:[33, 6] Operation: 25-19=6 Moving to Node #0,0,0 Current State: 39:[33, 6], Operations: ['71-52=19', '25-19=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 16, 39, 25, 46 ]
23
[ "39-16=23", "25-23=2", "46/2=23" ]
Current State: 23:[16, 39, 25, 46], Operations: [] Exploring Operation: 39-16=23, Resulting Numbers: [25, 46, 23] Generated Node #2: [25, 46, 23] from Operation: 39-16=23 Current State: 23:[25, 46, 23], Operations: ['39-16=23'] Exploring Operation: 25-23=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 25-23=2 Current State: 23:[46, 2], Operations: ['39-16=23', '25-23=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[16, 39, 25, 46], Operations: [] Exploring Operation: 39-16=23, Resulting Numbers: [25, 46, 23] Generated Node #0,0: 23:[25, 46, 23] Operation: 39-16=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[25, 46, 23], Operations: ['39-16=23'] Exploring Operation: 46-25=21, Resulting Numbers: [23, 21] Generated Node #0,0,0: 23:[23, 21] Operation: 46-25=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[23, 21], Operations: ['39-16=23', '46-25=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 42, 48, 36, 83 ]
89
[ "48-42=6", "36/6=6", "83+6=89" ]
Current State: 89:[42, 48, 36, 83], Operations: [] Exploring Operation: 48-42=6, Resulting Numbers: [36, 83, 6] Generated Node #2: [36, 83, 6] from Operation: 48-42=6 Current State: 89:[36, 83, 6], Operations: ['48-42=6'] Exploring Operation: 36/6=6, Resulting Numbers: [83, 6] Generated Node #3: [83, 6] from Operation: 36/6=6 Current State: 89:[83, 6], Operations: ['48-42=6', '36/6=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[42, 48, 36, 83], Operations: [] Exploring Operation: 42+36=78, Resulting Numbers: [48, 83, 78] Generated Node #0,0: 89:[48, 83, 78] Operation: 42+36=78 Exploring Operation: 48+36=84, Resulting Numbers: [42, 83, 84] Generated Node #0,1: 89:[42, 83, 84] Operation: 48+36=84 Exploring Operation: 42+48=90, Resulting Numbers: [36, 83, 90] Generated Node #0,2: 89:[36, 83, 90] Operation: 42+48=90 Exploring Operation: 42-36=6, Resulting Numbers: [48, 83, 6] Generated Node #0,3: 89:[48, 83, 6] Operation: 42-36=6 Exploring Operation: 36+83=119, Resulting Numbers: [42, 48, 119] Generated Node #0,4: 89:[42, 48, 119] Operation: 36+83=119 Moving to Node #0,0 Current State: 89:[48, 83, 78], Operations: ['42+36=78'] Exploring Operation: 48+78=126, Resulting Numbers: [83, 126] Generated Node #0,0,0: 89:[83, 126] Operation: 48+78=126 Exploring Operation: 83-48=35, Resulting Numbers: [78, 35] Generated Node #0,0,1: 89:[78, 35] Operation: 83-48=35 Exploring Operation: 83+78=161, Resulting Numbers: [48, 161] Generated Node #0,0,2: 89:[48, 161] Operation: 83+78=161 Exploring Operation: 48+83=131, Resulting Numbers: [78, 131] Generated Node #0,0,3: 89:[78, 131] Operation: 48+83=131 Exploring Operation: 78-48=30, Resulting Numbers: [83, 30] Generated Node #0,0,4: 89:[83, 30] Operation: 78-48=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[83, 126], Operations: ['42+36=78', '48+78=126'] Exploring Operation: 83+126=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 126-83=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 83*126=10458, Resulting Numbers: [10458] 10458,89 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 #0,0,3 Current State: 89:[78, 131], Operations: ['42+36=78', '48+83=131'] Exploring Operation: 78+131=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 78*131=10218, Resulting Numbers: [10218] 10218,89 unequal: No Solution Exploring Operation: 131-78=53, Resulting Numbers: [53] 53,89 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:[78, 35], Operations: ['42+36=78', '83-48=35'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 78*35=2730, Resulting Numbers: [2730] 2730,89 unequal: No Solution Exploring Operation: 78+35=113, Resulting Numbers: [113] 113,89 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 #0,0,4 Current State: 89:[83, 30], Operations: ['42+36=78', '78-48=30'] Exploring Operation: 83*30=2490, Resulting Numbers: [2490] 2490,89 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 83+30=113, Resulting Numbers: [113] 113,89 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:[48, 161], Operations: ['42+36=78', '83+78=161'] Exploring Operation: 161-48=113, Resulting Numbers: [113] 113,89 unequal: No Solution Exploring Operation: 48+161=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 48*161=7728, Resulting Numbers: [7728] 7728,89 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:[42, 83, 84], Operations: ['48+36=84'] Exploring Operation: 42+84=126, Resulting Numbers: [83, 126] Generated Node #0,1,0: 89:[83, 126] Operation: 42+84=126 Exploring Operation: 84-42=42, Resulting Numbers: [83, 42] Generated Node #0,1,1: 89:[83, 42] Operation: 84-42=42 Exploring Operation: 42+83=125, Resulting Numbers: [84, 125] Generated Node #0,1,2: 89:[84, 125] Operation: 42+83=125 Exploring Operation: 83-42=41, Resulting Numbers: [84, 41] Generated Node #0,1,3: 89:[84, 41] Operation: 83-42=41 Exploring Operation: 84/42=2, Resulting Numbers: [83, 2] Generated Node #0,1,4: 89:[83, 2] Operation: 84/42=2 Moving to Node #0,2 Current State: 89:[36, 83, 90], Operations: ['42+48=90'] Exploring Operation: 90-36=54, Resulting Numbers: [83, 54] Generated Node #0,2,0: 89:[83, 54] Operation: 90-36=54 Exploring Operation: 90-83=7, Resulting Numbers: [36, 7] Generated Node #0,2,1: 89:[36, 7] Operation: 90-83=7 Exploring Operation: 36+90=126, Resulting Numbers: [83, 126] Generated Node #0,2,2: 89:[83, 126] Operation: 36+90=126 Exploring Operation: 36+83=119, Resulting Numbers: [90, 119] Generated Node #0,2,3: 89:[90, 119] Operation: 36+83=119 Exploring Operation: 83-36=47, Resulting Numbers: [90, 47] Generated Node #0,2,4: 89:[90, 47] Operation: 83-36=47 Moving to Node #0,4 Current State: 89:[42, 48, 119], Operations: ['36+83=119'] Exploring Operation: 48-42=6, Resulting Numbers: [119, 6] Generated Node #0,4,0: 89:[119, 6] Operation: 48-42=6 Exploring Operation: 119-42=77, Resulting Numbers: [48, 77] Generated Node #0,4,1: 89:[48, 77] Operation: 119-42=77 Exploring Operation: 119-48=71, Resulting Numbers: [42, 71] Generated Node #0,4,2: 89:[42, 71] Operation: 119-48=71 Exploring Operation: 42+119=161, Resulting Numbers: [48, 161] Generated Node #0,4,3: 89:[48, 161] Operation: 42+119=161 Exploring Operation: 42+48=90, Resulting Numbers: [119, 90] Generated Node #0,4,4: 89:[119, 90] Operation: 42+48=90 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 89:[119, 90], Operations: ['36+83=119', '42+48=90'] Exploring Operation: 119-90=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 119*90=10710, Resulting Numbers: [10710] 10710,89 unequal: No Solution Exploring Operation: 119+90=209, Resulting Numbers: [209] 209,89 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 #0,4,1 Current State: 89:[48, 77], Operations: ['36+83=119', '119-42=77'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,89 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,89 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 #0,4,2 Current State: 89:[42, 71], Operations: ['36+83=119', '119-48=71'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 42+71=113, Resulting Numbers: [113] 113,89 unequal: No Solution Exploring Operation: 42*71=2982, Resulting Numbers: [2982] 2982,89 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 #0,4,0 Current State: 89:[119, 6], Operations: ['36+83=119', '48-42=6'] Exploring Operation: 119+6=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 119*6=714, Resulting Numbers: [714] 714,89 unequal: No Solution Exploring Operation: 119-6=113, Resulting Numbers: [113] 113,89 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 #0,4,3 Current State: 89:[48, 161], Operations: ['36+83=119', '42+119=161'] Exploring Operation: 48*161=7728, Resulting Numbers: [7728] 7728,89 unequal: No Solution Exploring Operation: 161-48=113, Resulting Numbers: [113] 113,89 unequal: No Solution Exploring Operation: 48+161=209, Resulting Numbers: [209] 209,89 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:[48, 83, 6], Operations: ['42-36=6'] Exploring Operation: 48/6=8, Resulting Numbers: [83, 8] Generated Node #0,3,0: 89:[83, 8] Operation: 48/6=8 Exploring Operation: 83-6=77, Resulting Numbers: [48, 77] Generated Node #0,3,1: 89:[48, 77] Operation: 83-6=77 Exploring Operation: 48+6=54, Resulting Numbers: [83, 54] Generated Node #0,3,2: 89:[83, 54] Operation: 48+6=54 Exploring Operation: 48-6=42, Resulting Numbers: [83, 42] Generated Node #0,3,3: 89:[83, 42] Operation: 48-6=42 Exploring Operation: 83+6=89, Resulting Numbers: [48, 89] Generated Node #0,3,4: 89:[48, 89] Operation: 83+6=89 Moving to Node #0,2,3 Current State: 89:[90, 119], Operations: ['42+48=90', '36+83=119'] Exploring Operation: 119-90=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 90+119=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 90*119=10710, Resulting Numbers: [10710] 10710,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[84, 125], Operations: ['48+36=84', '42+83=125'] Exploring Operation: 84*125=10500, Resulting Numbers: [10500] 10500,89 unequal: No Solution Exploring Operation: 84+125=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 125-84=41, Resulting Numbers: [41] 41,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[83, 54], Operations: ['42+48=90', '90-36=54'] Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 83*54=4482, Resulting Numbers: [4482] 4482,89 unequal: No Solution Exploring Operation: 83+54=137, Resulting Numbers: [137] 137,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[48, 89], Operations: ['42-36=6', '83+6=89'] Exploring Operation: 48*89=4272, Resulting Numbers: [4272] 4272,89 unequal: No Solution Exploring Operation: 48+89=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[83, 54], Operations: ['42-36=6', '48+6=54'] Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 83+54=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 83*54=4482, Resulting Numbers: [4482] 4482,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[83, 126], Operations: ['48+36=84', '42+84=126'] Exploring Operation: 83+126=209, Resulting Numbers: [209] 209,89 unequal: No Solution Exploring Operation: 126-83=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 83*126=10458, Resulting Numbers: [10458] 10458,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[83, 126], Operations: ['42+48=90', '36+90=126'] Exploring Operation: 83*126=10458, Resulting Numbers: [10458] 10458,89 unequal: No Solution Exploring Operation: 126-83=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 83+126=209, Resulting Numbers: [209] 209,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[90, 47], Operations: ['42+48=90', '83-36=47'] Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,89 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[83, 42], Operations: ['42-36=6', '48-6=42'] Exploring Operation: 83+42=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 83-42=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 83*42=3486, Resulting Numbers: [3486] 3486,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[48, 77], Operations: ['42-36=6', '83-6=77'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,89 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[83, 42], Operations: ['48+36=84', '84-42=42'] Exploring Operation: 83+42=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 83*42=3486, Resulting Numbers: [3486] 3486,89 unequal: No Solution Exploring Operation: 83-42=41, Resulting Numbers: [41] 41,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[84, 41], Operations: ['48+36=84', '83-42=41'] Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[83, 8], Operations: ['42-36=6', '48/6=8'] Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 83*8=664, Resulting Numbers: [664] 664,89 unequal: No Solution Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[83, 2], Operations: ['48+36=84', '84/42=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,89 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[36, 7], Operations: ['42+48=90', '90-83=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,89 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,89 unequal: No Solution No solution found.
0
hs_5
mult_heuristic