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
[ 84, 70, 96, 56 ]
16
[ "70-56=14", "84/14=6", "96/6=16" ]
Current State: 16:[84, 70, 96, 56], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [84, 96, 14] Generated Node #2: [84, 96, 14] from Operation: 70-56=14 Current State: 16:[84, 96, 14], Operations: ['70-56=14'] Exploring Operation: 84/14=6, Resulting Numbers: [96, 6] Generated Node #3: [96, 6] from Operation: 84/14=6 Current State: 16:[96, 6], Operations: ['70-56=14', '84/14=6'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[84, 70, 96, 56], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [70, 56, 12] Generated Node #0,0: 16:[70, 56, 12] Operation: 96-84=12 Exploring Operation: 96-70=26, Resulting Numbers: [84, 56, 26] Generated Node #0,1: 16:[84, 56, 26] Operation: 96-70=26 Exploring Operation: 84-70=14, Resulting Numbers: [96, 56, 14] Generated Node #0,2: 16:[96, 56, 14] Operation: 84-70=14 Exploring Operation: 84-56=28, Resulting Numbers: [70, 96, 28] Generated Node #0,3: 16:[70, 96, 28] Operation: 84-56=28 Moving to Node #0,0 Current State: 16:[70, 56, 12], Operations: ['96-84=12'] Exploring Operation: 56-12=44, Resulting Numbers: [70, 44] Generated Node #0,0,0: 16:[70, 44] Operation: 56-12=44 Exploring Operation: 70-56=14, Resulting Numbers: [12, 14] Generated Node #0,0,1: 16:[12, 14] Operation: 70-56=14 Exploring Operation: 70+12=82, Resulting Numbers: [56, 82] Generated Node #0,0,2: 16:[56, 82] Operation: 70+12=82 Exploring Operation: 70-12=58, Resulting Numbers: [56, 58] Generated Node #0,0,3: 16:[56, 58] Operation: 70-12=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[12, 14], Operations: ['96-84=12', '70-56=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,16 unequal: No Solution No 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: 16:[70, 44], Operations: ['96-84=12', '56-12=44'] Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,16 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,16 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,16 unequal: No Solution No 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: 16:[56, 58], Operations: ['96-84=12', '70-12=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,16 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,16 unequal: No Solution No 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: 16:[56, 82], Operations: ['96-84=12', '70+12=82'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,16 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: 16:[84, 56, 26], Operations: ['96-70=26'] Exploring Operation: 56-26=30, Resulting Numbers: [84, 30] Generated Node #0,1,0: 16:[84, 30] Operation: 56-26=30 Exploring Operation: 84-56=28, Resulting Numbers: [26, 28] Generated Node #0,1,1: 16:[26, 28] Operation: 84-56=28 Exploring Operation: 84-26=58, Resulting Numbers: [56, 58] Generated Node #0,1,2: 16:[56, 58] Operation: 84-26=58 Exploring Operation: 84+56=140, Resulting Numbers: [26, 140] Generated Node #0,1,3: 16:[26, 140] Operation: 84+56=140 Moving to Node #0,2 Current State: 16:[96, 56, 14], Operations: ['84-70=14'] Exploring Operation: 56/14=4, Resulting Numbers: [96, 4] Generated Node #0,2,0: 16:[96, 4] Operation: 56/14=4 Exploring Operation: 96-14=82, Resulting Numbers: [56, 82] Generated Node #0,2,1: 16:[56, 82] Operation: 96-14=82 Exploring Operation: 56-14=42, Resulting Numbers: [96, 42] Generated Node #0,2,2: 16:[96, 42] Operation: 56-14=42 Exploring Operation: 96-56=40, Resulting Numbers: [14, 40] Generated Node #0,2,3: 16:[14, 40] Operation: 96-56=40 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[14, 40], Operations: ['84-70=14', '96-56=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,16 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,16 unequal: No Solution No 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: 16:[96, 4], Operations: ['84-70=14', '56/14=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 96*4=384, Resulting Numbers: [384] 384,16 unequal: No Solution Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,16 unequal: No Solution No 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: 16:[56, 82], Operations: ['84-70=14', '96-14=82'] Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,16 unequal: No Solution No 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: 16:[96, 42], Operations: ['84-70=14', '56-14=42'] Exploring Operation: 96*42=4032, Resulting Numbers: [4032] 4032,16 unequal: No Solution Exploring Operation: 96+42=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,16 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: 16:[70, 96, 28], Operations: ['84-56=28'] Exploring Operation: 70-28=42, Resulting Numbers: [96, 42] Generated Node #0,3,0: 16:[96, 42] Operation: 70-28=42 Exploring Operation: 96-70=26, Resulting Numbers: [28, 26] Generated Node #0,3,1: 16:[28, 26] Operation: 96-70=26 Exploring Operation: 70+96=166, Resulting Numbers: [28, 166] Generated Node #0,3,2: 16:[28, 166] Operation: 70+96=166 Exploring Operation: 96-28=68, Resulting Numbers: [70, 68] Generated Node #0,3,3: 16:[70, 68] Operation: 96-28=68 Moving to Node #0,1,1 Current State: 16:[26, 28], Operations: ['96-70=26', '84-56=28'] Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[28, 26], Operations: ['84-56=28', '96-70=26'] Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,16 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[56, 58], Operations: ['96-70=26', '84-26=58'] Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,16 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[84, 30], Operations: ['96-70=26', '56-26=30'] Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,16 unequal: No Solution Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[96, 42], Operations: ['84-56=28', '70-28=42'] Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 96+42=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 96*42=4032, Resulting Numbers: [4032] 4032,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[70, 68], Operations: ['84-56=28', '96-28=68'] Exploring Operation: 70*68=4760, Resulting Numbers: [4760] 4760,16 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[26, 140], Operations: ['96-70=26', '84+56=140'] Exploring Operation: 26+140=166, Resulting Numbers: [166] 166,16 unequal: No Solution Exploring Operation: 26*140=3640, Resulting Numbers: [3640] 3640,16 unequal: No Solution Exploring Operation: 140-26=114, Resulting Numbers: [114] 114,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[28, 166], Operations: ['84-56=28', '70+96=166'] Exploring Operation: 28+166=194, Resulting Numbers: [194] 194,16 unequal: No Solution Exploring Operation: 166-28=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 28*166=4648, Resulting Numbers: [4648] 4648,16 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 67, 28, 65, 61 ]
60
[ "65-61=4", "28/4=7", "67-7=60" ]
Current State: 60:[67, 28, 65, 61], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [67, 28, 4] Generated Node #2: [67, 28, 4] from Operation: 65-61=4 Current State: 60:[67, 28, 4], Operations: ['65-61=4'] Exploring Operation: 28/4=7, Resulting Numbers: [67, 7] Generated Node #3: [67, 7] from Operation: 28/4=7 Current State: 60:[67, 7], Operations: ['65-61=4', '28/4=7'] Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[67, 28, 65, 61], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [28, 61, 2] Generated Node #0,0: 60:[28, 61, 2] Operation: 67-65=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[28, 61, 2], Operations: ['67-65=2'] Exploring Operation: 28+2=30, Resulting Numbers: [61, 30] Generated Node #0,0,0: 60:[61, 30] Operation: 28+2=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[61, 30], Operations: ['67-65=2', '28+2=30'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 65, 55, 44, 39 ]
68
[ "44-39=5", "65/5=13", "55+13=68" ]
Current State: 68:[65, 55, 44, 39], Operations: [] Exploring Operation: 44-39=5, Resulting Numbers: [65, 55, 5] Generated Node #2: [65, 55, 5] from Operation: 44-39=5 Current State: 68:[65, 55, 5], Operations: ['44-39=5'] Exploring Operation: 65/5=13, Resulting Numbers: [55, 13] Generated Node #3: [55, 13] from Operation: 65/5=13 Current State: 68:[55, 13], Operations: ['44-39=5', '65/5=13'] Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[65, 55, 44, 39], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [65, 39, 11] Generated Node #0,0: 68:[65, 39, 11] Operation: 55-44=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[65, 39, 11], Operations: ['55-44=11'] Exploring Operation: 39-11=28, Resulting Numbers: [65, 28] Generated Node #0,0,0: 68:[65, 28] Operation: 39-11=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[65, 28], Operations: ['55-44=11', '39-11=28'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,68 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_1
sum_heuristic
[ 86, 99, 84, 70 ]
64
[ "86-84=2", "70/2=35", "99-35=64" ]
Current State: 64:[86, 99, 84, 70], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [99, 70, 2] Generated Node #2: [99, 70, 2] from Operation: 86-84=2 Current State: 64:[99, 70, 2], Operations: ['86-84=2'] Exploring Operation: 70/2=35, Resulting Numbers: [99, 35] Generated Node #3: [99, 35] from Operation: 70/2=35 Current State: 64:[99, 35], Operations: ['86-84=2', '70/2=35'] Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[86, 99, 84, 70], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [86, 70, 15] Generated Node #0,0: 64:[86, 70, 15] Operation: 99-84=15 Exploring Operation: 99-86=13, Resulting Numbers: [84, 70, 13] Generated Node #0,1: 64:[84, 70, 13] Operation: 99-86=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[86, 70, 15], Operations: ['99-84=15'] Exploring Operation: 86-70=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 64:[15, 16] Operation: 86-70=16 Exploring Operation: 86-15=71, Resulting Numbers: [70, 71] Generated Node #0,0,1: 64:[70, 71] Operation: 86-15=71 Moving to Node #0,0,0 Current State: 64:[15, 16], Operations: ['99-84=15', '86-70=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[70, 71], Operations: ['99-84=15', '86-15=71'] Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,64 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,64 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 #0,1 Current State: 64:[84, 70, 13], Operations: ['99-86=13'] Exploring Operation: 84-13=71, Resulting Numbers: [70, 71] Generated Node #0,1,0: 64:[70, 71] Operation: 84-13=71 Exploring Operation: 84-70=14, Resulting Numbers: [13, 14] Generated Node #0,1,1: 64:[13, 14] Operation: 84-70=14 Moving to Node #0,1,1 Current State: 64:[13, 14], Operations: ['99-86=13', '84-70=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[70, 71], Operations: ['99-86=13', '84-13=71'] Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,64 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,64 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
[ 8, 47, 4, 76 ]
64
[ "76-8=68", "68/4=17", "47+17=64" ]
Current State: 64:[8, 47, 4, 76], Operations: [] Exploring Operation: 76-8=68, Resulting Numbers: [47, 4, 68] Generated Node #2: [47, 4, 68] from Operation: 76-8=68 Current State: 64:[47, 4, 68], Operations: ['76-8=68'] Exploring Operation: 68/4=17, Resulting Numbers: [47, 17] Generated Node #3: [47, 17] from Operation: 68/4=17 Current State: 64:[47, 17], Operations: ['76-8=68', '68/4=17'] Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[8, 47, 4, 76], Operations: [] Exploring Operation: 76-47=29, Resulting Numbers: [8, 4, 29] Generated Node #0,0: 64:[8, 4, 29] Operation: 76-47=29 Exploring Operation: 8+47=55, Resulting Numbers: [4, 76, 55] Generated Node #0,1: 64:[4, 76, 55] Operation: 8+47=55 Exploring Operation: 76-8=68, Resulting Numbers: [47, 4, 68] Generated Node #0,2: 64:[47, 4, 68] Operation: 76-8=68 Exploring Operation: 76/4=19, Resulting Numbers: [8, 47, 19] Generated Node #0,3: 64:[8, 47, 19] Operation: 76/4=19 Exploring Operation: 47-8=39, Resulting Numbers: [4, 76, 39] Generated Node #0,4: 64:[4, 76, 39] Operation: 47-8=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[8, 4, 29], Operations: ['76-47=29'] Exploring Operation: 8-4=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 64:[29, 4] Operation: 8-4=4 Exploring Operation: 4+29=33, Resulting Numbers: [8, 33] Generated Node #0,0,1: 64:[8, 33] Operation: 4+29=33 Exploring Operation: 8/4=2, Resulting Numbers: [29, 2] Generated Node #0,0,2: 64:[29, 2] Operation: 8/4=2 Exploring Operation: 8+29=37, Resulting Numbers: [4, 37] Generated Node #0,0,3: 64:[4, 37] Operation: 8+29=37 Exploring Operation: 8*4=32, Resulting Numbers: [29, 32] Generated Node #0,0,4: 64:[29, 32] Operation: 8*4=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[8, 33], Operations: ['76-47=29', '4+29=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,64 unequal: No Solution No 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: 64:[29, 4], Operations: ['76-47=29', '8-4=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,64 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,64 unequal: No Solution No 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: 64:[29, 2], Operations: ['76-47=29', '8/4=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,64 unequal: No Solution No 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: 64:[29, 32], Operations: ['76-47=29', '8*4=32'] Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,64 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,64 unequal: No Solution No 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: 64:[4, 37], Operations: ['76-47=29', '8+29=37'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,64 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,64 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: 64:[8, 47, 19], Operations: ['76/4=19'] Exploring Operation: 47-19=28, Resulting Numbers: [8, 28] Generated Node #0,3,0: 64:[8, 28] Operation: 47-19=28 Exploring Operation: 8+47=55, Resulting Numbers: [19, 55] Generated Node #0,3,1: 64:[19, 55] Operation: 8+47=55 Exploring Operation: 19-8=11, Resulting Numbers: [47, 11] Generated Node #0,3,2: 64:[47, 11] Operation: 19-8=11 Exploring Operation: 47+19=66, Resulting Numbers: [8, 66] Generated Node #0,3,3: 64:[8, 66] Operation: 47+19=66 Exploring Operation: 47-8=39, Resulting Numbers: [19, 39] Generated Node #0,3,4: 64:[19, 39] Operation: 47-8=39 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 64:[8, 66], Operations: ['76/4=19', '47+19=66'] Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,64 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,64 unequal: No Solution No 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: 64:[8, 28], Operations: ['76/4=19', '47-19=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,64 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,64 unequal: No Solution No 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: 64:[19, 39], Operations: ['76/4=19', '47-8=39'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,64 unequal: No Solution No 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: 64:[19, 55], Operations: ['76/4=19', '8+47=55'] Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,64 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,64 unequal: No Solution No 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: 64:[47, 11], Operations: ['76/4=19', '19-8=11'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,64 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,64 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: 64:[47, 4, 68], Operations: ['76-8=68'] Exploring Operation: 68-4=64, Resulting Numbers: [47, 64] Generated Node #0,2,0: 64:[47, 64] Operation: 68-4=64 Exploring Operation: 47-4=43, Resulting Numbers: [68, 43] Generated Node #0,2,1: 64:[68, 43] Operation: 47-4=43 Exploring Operation: 68-47=21, Resulting Numbers: [4, 21] Generated Node #0,2,2: 64:[4, 21] Operation: 68-47=21 Exploring Operation: 47+4=51, Resulting Numbers: [68, 51] Generated Node #0,2,3: 64:[68, 51] Operation: 47+4=51 Exploring Operation: 68/4=17, Resulting Numbers: [47, 17] Generated Node #0,2,4: 64:[47, 17] Operation: 68/4=17 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 64:[4, 21], Operations: ['76-8=68', '68-47=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,64 unequal: No Solution No 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: 64:[47, 64], Operations: ['76-8=68', '68-4=64'] Exploring Operation: 47*64=3008, Resulting Numbers: [3008] 3008,64 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,64 unequal: No Solution No 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: 64:[68, 43], Operations: ['76-8=68', '47-4=43'] Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 68+43=111, Resulting Numbers: [111] 111,64 unequal: No Solution Exploring Operation: 68*43=2924, Resulting Numbers: [2924] 2924,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 64:[47, 17], Operations: ['76-8=68', '68/4=17'] Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[8, 47, 4, 76], Operations: [] Exploring Operation: 76-8=68, Resulting Numbers: [47, 4, 68] Generated Node #0,2: 64:[47, 4, 68] Operation: 76-8=68 Moving to Node #0,2 Current State: 64:[47, 4, 68], Operations: ['76-8=68'] Exploring Operation: 68/4=17, Resulting Numbers: [47, 17] Generated Node #0,2,4: 64:[47, 17] Operation: 68/4=17 Moving to Node #0,2,4 Current State: 64:[47, 17], Operations: ['76-8=68', '68/4=17'] Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.944444
hs_5
sum_heuristic
[ 14, 28, 83, 63 ]
18
[ "28/14=2", "83-63=20", "20-2=18" ]
Current State: 18:[14, 28, 83, 63], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [83, 63, 2] Generated Node #2: [83, 63, 2] from Operation: 28/14=2 Current State: 18:[83, 63, 2], Operations: ['28/14=2'] Exploring Operation: 83-63=20, Resulting Numbers: [2, 20] Generated Node #3: [2, 20] from Operation: 83-63=20 Current State: 18:[2, 20], Operations: ['28/14=2', '83-63=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[14, 28, 83, 63], Operations: [] Exploring Operation: 63-28=35, Resulting Numbers: [14, 83, 35] Generated Node #0,0: 18:[14, 83, 35] Operation: 63-28=35 Exploring Operation: 83-63=20, Resulting Numbers: [14, 28, 20] Generated Node #0,1: 18:[14, 28, 20] Operation: 83-63=20 Exploring Operation: 83-28=55, Resulting Numbers: [14, 63, 55] Generated Node #0,2: 18:[14, 63, 55] Operation: 83-28=55 Exploring Operation: 63-14=49, Resulting Numbers: [28, 83, 49] Generated Node #0,3: 18:[28, 83, 49] Operation: 63-14=49 Exploring Operation: 83-14=69, Resulting Numbers: [28, 63, 69] Generated Node #0,4: 18:[28, 63, 69] Operation: 83-14=69 Moving to Node #0,1 Current State: 18:[14, 28, 20], Operations: ['83-63=20'] Exploring Operation: 28-14=14, Resulting Numbers: [20, 14] Generated Node #0,1,0: 18:[20, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [20, 2] Generated Node #0,1,1: 18:[20, 2] Operation: 28/14=2 Exploring Operation: 14+28=42, Resulting Numbers: [20, 42] Generated Node #0,1,2: 18:[20, 42] Operation: 14+28=42 Exploring Operation: 28-20=8, Resulting Numbers: [14, 8] Generated Node #0,1,3: 18:[14, 8] Operation: 28-20=8 Exploring Operation: 20-14=6, Resulting Numbers: [28, 6] Generated Node #0,1,4: 18:[28, 6] Operation: 20-14=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[20, 2], Operations: ['83-63=20', '28/14=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[14, 28, 83, 63], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [14, 28, 20] Generated Node #0,1: 18:[14, 28, 20] Operation: 83-63=20 Moving to Node #0,1 Current State: 18:[14, 28, 20], Operations: ['83-63=20'] Exploring Operation: 28/14=2, Resulting Numbers: [20, 2] Generated Node #0,1,1: 18:[20, 2] Operation: 28/14=2 Moving to Node #0,1,1 Current State: 18:[20, 2], Operations: ['83-63=20', '28/14=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 52, 16, 4, 58 ]
18
[ "52-16=36", "58-4=54", "54-36=18" ]
Current State: 18:[52, 16, 4, 58], Operations: [] Exploring Operation: 52-16=36, Resulting Numbers: [4, 58, 36] Generated Node #2: [4, 58, 36] from Operation: 52-16=36 Current State: 18:[4, 58, 36], Operations: ['52-16=36'] Exploring Operation: 58-4=54, Resulting Numbers: [36, 54] Generated Node #3: [36, 54] from Operation: 58-4=54 Current State: 18:[36, 54], Operations: ['52-16=36', '58-4=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[52, 16, 4, 58], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [16, 4, 6] Generated Node #0,0: 18:[16, 4, 6] Operation: 58-52=6 Exploring Operation: 52-4=48, Resulting Numbers: [16, 58, 48] Generated Node #0,1: 18:[16, 58, 48] Operation: 52-4=48 Exploring Operation: 58-16=42, Resulting Numbers: [52, 4, 42] Generated Node #0,2: 18:[52, 4, 42] Operation: 58-16=42 Exploring Operation: 52/4=13, Resulting Numbers: [16, 58, 13] Generated Node #0,3: 18:[16, 58, 13] Operation: 52/4=13 Exploring Operation: 52-16=36, Resulting Numbers: [4, 58, 36] Generated Node #0,4: 18:[4, 58, 36] Operation: 52-16=36 Moving to Node #0,0 Current State: 18:[16, 4, 6], Operations: ['58-52=6'] Exploring Operation: 16+4=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 18:[6, 20] Operation: 16+4=20 Exploring Operation: 16/4=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 18:[6, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 18:[6, 12] Operation: 16-4=12 Exploring Operation: 6-4=2, Resulting Numbers: [16, 2] Generated Node #0,0,3: 18:[16, 2] Operation: 6-4=2 Exploring Operation: 16-6=10, Resulting Numbers: [4, 10] Generated Node #0,0,4: 18:[4, 10] Operation: 16-6=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[6, 4], Operations: ['58-52=6', '16/4=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[6, 20], Operations: ['58-52=6', '16+4=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 18:[16, 2], Operations: ['58-52=6', '6-4=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[52, 16, 4, 58], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [16, 4, 6] Generated Node #0,0: 18:[16, 4, 6] Operation: 58-52=6 Moving to Node #0,0 Current State: 18:[16, 4, 6], Operations: ['58-52=6'] Exploring Operation: 6-4=2, Resulting Numbers: [16, 2] Generated Node #0,0,3: 18:[16, 2] Operation: 6-4=2 Moving to Node #0,0,3 Current State: 18:[16, 2], Operations: ['58-52=6', '6-4=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 30, 10, 72, 98 ]
66
[ "30+10=40", "98-72=26", "40+26=66" ]
Current State: 66:[30, 10, 72, 98], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [72, 98, 40] Generated Node #2: [72, 98, 40] from Operation: 30+10=40 Current State: 66:[72, 98, 40], Operations: ['30+10=40'] Exploring Operation: 98-72=26, Resulting Numbers: [40, 26] Generated Node #3: [40, 26] from Operation: 98-72=26 Current State: 66:[40, 26], Operations: ['30+10=40', '98-72=26'] Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[30, 10, 72, 98], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [30, 10, 26] Generated Node #0,0: 66:[30, 10, 26] Operation: 98-72=26 Exploring Operation: 98-30=68, Resulting Numbers: [10, 72, 68] Generated Node #0,1: 66:[10, 72, 68] Operation: 98-30=68 Exploring Operation: 98-10=88, Resulting Numbers: [30, 72, 88] Generated Node #0,2: 66:[30, 72, 88] Operation: 98-10=88 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[30, 10, 26], Operations: ['98-72=26'] Exploring Operation: 30-10=20, Resulting Numbers: [26, 20] Generated Node #0,0,0: 66:[26, 20] Operation: 30-10=20 Exploring Operation: 30-26=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 66:[10, 4] Operation: 30-26=4 Exploring Operation: 30/10=3, Resulting Numbers: [26, 3] Generated Node #0,0,2: 66:[26, 3] Operation: 30/10=3 Moving to Node #0,0,1 Current State: 66:[10, 4], Operations: ['98-72=26', '30-26=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[26, 3], Operations: ['98-72=26', '30/10=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[26, 20], Operations: ['98-72=26', '30-10=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,66 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[10, 72, 68], Operations: ['98-30=68'] Exploring Operation: 72-68=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 66:[10, 4] Operation: 72-68=4 Exploring Operation: 68-10=58, Resulting Numbers: [72, 58] Generated Node #0,1,1: 66:[72, 58] Operation: 68-10=58 Exploring Operation: 72-10=62, Resulting Numbers: [68, 62] Generated Node #0,1,2: 66:[68, 62] Operation: 72-10=62 Moving to Node #0,1,0 Current State: 66:[10, 4], Operations: ['98-30=68', '72-68=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[68, 62], Operations: ['98-30=68', '72-10=62'] Exploring Operation: 68+62=130, Resulting Numbers: [130] 130,66 unequal: No Solution Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 68*62=4216, Resulting Numbers: [4216] 4216,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[72, 58], Operations: ['98-30=68', '68-10=58'] Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,66 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,66 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[30, 72, 88], Operations: ['98-10=88'] Exploring Operation: 88-72=16, Resulting Numbers: [30, 16] Generated Node #0,2,0: 66:[30, 16] Operation: 88-72=16 Exploring Operation: 88-30=58, Resulting Numbers: [72, 58] Generated Node #0,2,1: 66:[72, 58] Operation: 88-30=58 Exploring Operation: 72-30=42, Resulting Numbers: [88, 42] Generated Node #0,2,2: 66:[88, 42] Operation: 72-30=42 Moving to Node #0,2,0 Current State: 66:[30, 16], Operations: ['98-10=88', '88-72=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,66 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[72, 58], Operations: ['98-10=88', '88-30=58'] Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,66 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[88, 42], Operations: ['98-10=88', '72-30=42'] Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,66 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,66 unequal: No Solution Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,66 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
[ 23, 84, 97, 48 ]
38
[ "23+84=107", "97+48=145", "145-107=38" ]
Current State: 38:[23, 84, 97, 48], Operations: [] Exploring Operation: 23+84=107, Resulting Numbers: [97, 48, 107] Generated Node #2: [97, 48, 107] from Operation: 23+84=107 Current State: 38:[97, 48, 107], Operations: ['23+84=107'] Exploring Operation: 97+48=145, Resulting Numbers: [107, 145] Generated Node #3: [107, 145] from Operation: 97+48=145 Current State: 38:[107, 145], Operations: ['23+84=107', '97+48=145'] Exploring Operation: 145-107=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[23, 84, 97, 48], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [23, 48, 13] Generated Node #0,0: 38:[23, 48, 13] Operation: 97-84=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[23, 48, 13], Operations: ['97-84=13'] Exploring Operation: 48-13=35, Resulting Numbers: [23, 35] Generated Node #0,0,0: 38:[23, 35] Operation: 48-13=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[23, 35], Operations: ['97-84=13', '48-13=35'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 90, 91, 13, 10 ]
61
[ "13-10=3", "90/3=30", "91-30=61" ]
Current State: 61:[90, 91, 13, 10], Operations: [] Exploring Operation: 13-10=3, Resulting Numbers: [90, 91, 3] Generated Node #2: [90, 91, 3] from Operation: 13-10=3 Current State: 61:[90, 91, 3], Operations: ['13-10=3'] Exploring Operation: 90/3=30, Resulting Numbers: [91, 30] Generated Node #3: [91, 30] from Operation: 90/3=30 Current State: 61:[91, 30], Operations: ['13-10=3', '90/3=30'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[90, 91, 13, 10], Operations: [] Exploring Operation: 90-13=77, Resulting Numbers: [91, 10, 77] Generated Node #0,0: 61:[91, 10, 77] Operation: 90-13=77 Moving to Node #0,0 Current State: 61:[91, 10, 77], Operations: ['90-13=77'] Exploring Operation: 91-10=81, Resulting Numbers: [77, 81] Generated Node #0,0,0: 61:[77, 81] Operation: 91-10=81 Moving to Node #0,0,0 Current State: 61:[77, 81], Operations: ['90-13=77', '91-10=81'] Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,61 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 85, 2, 44, 32 ]
18
[ "85-44=41", "41-32=9", "2*9=18" ]
Current State: 18:[85, 2, 44, 32], Operations: [] Exploring Operation: 85-44=41, Resulting Numbers: [2, 32, 41] Generated Node #2: [2, 32, 41] from Operation: 85-44=41 Current State: 18:[2, 32, 41], Operations: ['85-44=41'] Exploring Operation: 41-32=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 41-32=9 Current State: 18:[2, 9], Operations: ['85-44=41', '41-32=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[85, 2, 44, 32], Operations: [] Exploring Operation: 44-32=12, Resulting Numbers: [85, 2, 12] Generated Node #0,0: 18:[85, 2, 12] Operation: 44-32=12 Exploring Operation: 85-32=53, Resulting Numbers: [2, 44, 53] Generated Node #0,1: 18:[2, 44, 53] Operation: 85-32=53 Exploring Operation: 85-44=41, Resulting Numbers: [2, 32, 41] Generated Node #0,2: 18:[2, 32, 41] Operation: 85-44=41 Moving to Node #0,2 Current State: 18:[2, 32, 41], Operations: ['85-44=41'] Exploring Operation: 41-32=9, Resulting Numbers: [2, 9] Generated Node #0,2,0: 18:[2, 9] Operation: 41-32=9 Exploring Operation: 32/2=16, Resulting Numbers: [41, 16] Generated Node #0,2,1: 18:[41, 16] Operation: 32/2=16 Exploring Operation: 32-2=30, Resulting Numbers: [41, 30] Generated Node #0,2,2: 18:[41, 30] Operation: 32-2=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[2, 9], Operations: ['85-44=41', '41-32=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[85, 2, 44, 32], Operations: [] Exploring Operation: 85-44=41, Resulting Numbers: [2, 32, 41] Generated Node #0,2: 18:[2, 32, 41] Operation: 85-44=41 Moving to Node #0,2 Current State: 18:[2, 32, 41], Operations: ['85-44=41'] Exploring Operation: 41-32=9, Resulting Numbers: [2, 9] Generated Node #0,2,0: 18:[2, 9] Operation: 41-32=9 Moving to Node #0,2,0 Current State: 18:[2, 9], Operations: ['85-44=41', '41-32=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 19, 80, 6, 35 ]
89
[ "19+35=54", "54/6=9", "80+9=89" ]
Current State: 89:[19, 80, 6, 35], Operations: [] Exploring Operation: 19+35=54, Resulting Numbers: [80, 6, 54] Generated Node #2: [80, 6, 54] from Operation: 19+35=54 Current State: 89:[80, 6, 54], Operations: ['19+35=54'] Exploring Operation: 54/6=9, Resulting Numbers: [80, 9] Generated Node #3: [80, 9] from Operation: 54/6=9 Current State: 89:[80, 9], Operations: ['19+35=54', '54/6=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[19, 80, 6, 35], Operations: [] Exploring Operation: 19+6=25, Resulting Numbers: [80, 35, 25] Generated Node #0,0: 89:[80, 35, 25] Operation: 19+6=25 Exploring Operation: 19*6=114, Resulting Numbers: [80, 35, 114] Generated Node #0,1: 89:[80, 35, 114] Operation: 19*6=114 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[80, 35, 114], Operations: ['19*6=114'] Exploring Operation: 114-35=79, Resulting Numbers: [80, 79] Generated Node #0,1,0: 89:[80, 79] Operation: 114-35=79 Exploring Operation: 80+35=115, Resulting Numbers: [114, 115] Generated Node #0,1,1: 89:[114, 115] Operation: 80+35=115 Moving to Node #0,1,0 Current State: 89:[80, 79], Operations: ['19*6=114', '114-35=79'] Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,89 unequal: No Solution Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[114, 115], Operations: ['19*6=114', '80+35=115'] Exploring Operation: 114+115=229, Resulting Numbers: [229] 229,89 unequal: No Solution Exploring Operation: 115-114=1, Resulting Numbers: [1] 1,89 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 Current State: 89:[80, 35, 25], Operations: ['19+6=25'] Exploring Operation: 35+25=60, Resulting Numbers: [80, 60] Generated Node #0,0,0: 89:[80, 60] Operation: 35+25=60 Exploring Operation: 80+25=105, Resulting Numbers: [35, 105] Generated Node #0,0,1: 89:[35, 105] Operation: 80+25=105 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[80, 60], Operations: ['19+6=25', '35+25=60'] Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 80+60=140, Resulting Numbers: [140] 140,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[35, 105], Operations: ['19+6=25', '80+25=105'] Exploring Operation: 105-35=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 35+105=140, Resulting Numbers: [140] 140,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 10, 8, 84, 3 ]
86
[ "8-3=5", "10/5=2", "84+2=86" ]
Current State: 86:[10, 8, 84, 3], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [10, 84, 5] Generated Node #2: [10, 84, 5] from Operation: 8-3=5 Current State: 86:[10, 84, 5], Operations: ['8-3=5'] Exploring Operation: 10/5=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 10/5=2 Current State: 86:[84, 2], Operations: ['8-3=5', '10/5=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[10, 8, 84, 3], Operations: [] Exploring Operation: 10*8=80, Resulting Numbers: [84, 3, 80] Generated Node #0,0: 86:[84, 3, 80] Operation: 10*8=80 Exploring Operation: 10-3=7, Resulting Numbers: [8, 84, 7] Generated Node #0,1: 86:[8, 84, 7] Operation: 10-3=7 Exploring Operation: 10-8=2, Resulting Numbers: [84, 3, 2] Generated Node #0,2: 86:[84, 3, 2] Operation: 10-8=2 Exploring Operation: 8-3=5, Resulting Numbers: [10, 84, 5] Generated Node #0,3: 86:[10, 84, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[84, 3, 2], Operations: ['10-8=2'] Exploring Operation: 84+2=86, Resulting Numbers: [3, 86] Generated Node #0,2,0: 86:[3, 86] Operation: 84+2=86 Exploring Operation: 84+3=87, Resulting Numbers: [2, 87] Generated Node #0,2,1: 86:[2, 87] Operation: 84+3=87 Exploring Operation: 84/2=42, Resulting Numbers: [3, 42] Generated Node #0,2,2: 86:[3, 42] Operation: 84/2=42 Exploring Operation: 3-2=1, Resulting Numbers: [84, 1] Generated Node #0,2,3: 86:[84, 1] Operation: 3-2=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 86:[3, 86], Operations: ['10-8=2', '84+2=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 3*86=258, Resulting Numbers: [258] 258,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 86:[2, 87], Operations: ['10-8=2', '84+3=87'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 2+87=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 2*87=174, Resulting Numbers: [174] 174,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[3, 42], Operations: ['10-8=2', '84/2=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 86:[84, 1], Operations: ['10-8=2', '3-2=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,86 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,86 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[84, 3, 80], Operations: ['10*8=80'] Exploring Operation: 84-3=81, Resulting Numbers: [80, 81] Generated Node #0,0,0: 86:[80, 81] Operation: 84-3=81 Exploring Operation: 3+80=83, Resulting Numbers: [84, 83] Generated Node #0,0,1: 86:[84, 83] Operation: 3+80=83 Exploring Operation: 84-80=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 86:[3, 4] Operation: 84-80=4 Exploring Operation: 84+3=87, Resulting Numbers: [80, 87] Generated Node #0,0,3: 86:[80, 87] Operation: 84+3=87 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 86:[3, 4], Operations: ['10*8=80', '84-80=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,86 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[84, 83], Operations: ['10*8=80', '3+80=83'] Exploring Operation: 84+83=167, Resulting Numbers: [167] 167,86 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 84*83=6972, Resulting Numbers: [6972] 6972,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 86:[80, 87], Operations: ['10*8=80', '84+3=87'] Exploring Operation: 80*87=6960, Resulting Numbers: [6960] 6960,86 unequal: No Solution Exploring Operation: 87-80=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 80+87=167, Resulting Numbers: [167] 167,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[80, 81], Operations: ['10*8=80', '84-3=81'] Exploring Operation: 80*81=6480, Resulting Numbers: [6480] 6480,86 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 80+81=161, Resulting Numbers: [161] 161,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[8, 84, 7], Operations: ['10-3=7'] Exploring Operation: 8+84=92, Resulting Numbers: [7, 92] Generated Node #0,1,0: 86:[7, 92] Operation: 8+84=92 Exploring Operation: 8-7=1, Resulting Numbers: [84, 1] Generated Node #0,1,1: 86:[84, 1] Operation: 8-7=1 Exploring Operation: 84+7=91, Resulting Numbers: [8, 91] Generated Node #0,1,2: 86:[8, 91] Operation: 84+7=91 Exploring Operation: 84-8=76, Resulting Numbers: [7, 76] Generated Node #0,1,3: 86:[7, 76] Operation: 84-8=76 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[84, 1], Operations: ['10-3=7', '8-7=1'] Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,86 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[7, 92], Operations: ['10-3=7', '8+84=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 7*92=644, Resulting Numbers: [644] 644,86 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 86:[8, 91], Operations: ['10-3=7', '84+7=91'] Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 8*91=728, Resulting Numbers: [728] 728,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 86:[7, 76], Operations: ['10-3=7', '84-8=76'] Exploring Operation: 7*76=532, Resulting Numbers: [532] 532,86 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,86 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[10, 84, 5], Operations: ['8-3=5'] Exploring Operation: 10/5=2, Resulting Numbers: [84, 2] Generated Node #0,3,0: 86:[84, 2] Operation: 10/5=2 Exploring Operation: 10-5=5, Resulting Numbers: [84, 5] Generated Node #0,3,1: 86:[84, 5] Operation: 10-5=5 Exploring Operation: 10+84=94, Resulting Numbers: [5, 94] Generated Node #0,3,2: 86:[5, 94] Operation: 10+84=94 Exploring Operation: 10*5=50, Resulting Numbers: [84, 50] Generated Node #0,3,3: 86:[84, 50] Operation: 10*5=50 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 86:[84, 2], Operations: ['8-3=5', '10/5=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[10, 8, 84, 3], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [10, 84, 5] Generated Node #0,3: 86:[10, 84, 5] Operation: 8-3=5 Moving to Node #0,3 Current State: 86:[10, 84, 5], Operations: ['8-3=5'] Exploring Operation: 10/5=2, Resulting Numbers: [84, 2] Generated Node #0,3,0: 86:[84, 2] Operation: 10/5=2 Moving to Node #0,3,0 Current State: 86:[84, 2], Operations: ['8-3=5', '10/5=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_4
mult_heuristic
[ 28, 38, 76, 12 ]
19
[ "38*12=456", "76+456=532", "532/28=19" ]
Current State: 19:[28, 38, 76, 12], Operations: [] Exploring Operation: 38*12=456, Resulting Numbers: [28, 76, 456] Generated Node #2: [28, 76, 456] from Operation: 38*12=456 Current State: 19:[28, 76, 456], Operations: ['38*12=456'] Exploring Operation: 76+456=532, Resulting Numbers: [28, 532] Generated Node #3: [28, 532] from Operation: 76+456=532 Current State: 19:[28, 532], Operations: ['38*12=456', '76+456=532'] Exploring Operation: 532/28=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[28, 38, 76, 12], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [28, 12, 2] Generated Node #0,0: 19:[28, 12, 2] Operation: 76/38=2 Moving to Node #0,0 Current State: 19:[28, 12, 2], Operations: ['76/38=2'] Exploring Operation: 28/2=14, Resulting Numbers: [12, 14] Generated Node #0,0,0: 19:[12, 14] Operation: 28/2=14 Moving to Node #0,0,0 Current State: 19:[12, 14], Operations: ['76/38=2', '28/2=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,19 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 59, 82, 86, 3 ]
71
[ "86-82=4", "3*4=12", "59+12=71" ]
Current State: 71:[59, 82, 86, 3], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [59, 3, 4] Generated Node #2: [59, 3, 4] from Operation: 86-82=4 Current State: 71:[59, 3, 4], Operations: ['86-82=4'] Exploring Operation: 3*4=12, Resulting Numbers: [59, 12] Generated Node #3: [59, 12] from Operation: 3*4=12 Current State: 71:[59, 12], Operations: ['86-82=4', '3*4=12'] Exploring Operation: 59+12=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[59, 82, 86, 3], Operations: [] Exploring Operation: 59-3=56, Resulting Numbers: [82, 86, 56] Generated Node #0,0: 71:[82, 86, 56] Operation: 59-3=56 Exploring Operation: 86-3=83, Resulting Numbers: [59, 82, 83] Generated Node #0,1: 71:[59, 82, 83] Operation: 86-3=83 Exploring Operation: 59+3=62, Resulting Numbers: [82, 86, 62] Generated Node #0,2: 71:[82, 86, 62] Operation: 59+3=62 Exploring Operation: 82-3=79, Resulting Numbers: [59, 86, 79] Generated Node #0,3: 71:[59, 86, 79] Operation: 82-3=79 Exploring Operation: 82+3=85, Resulting Numbers: [59, 86, 85] Generated Node #0,4: 71:[59, 86, 85] Operation: 82+3=85 Moving to Node #0,1 Current State: 71:[59, 82, 83], Operations: ['86-3=83'] Exploring Operation: 83-59=24, Resulting Numbers: [82, 24] Generated Node #0,1,0: 71:[82, 24] Operation: 83-59=24 Exploring Operation: 82-59=23, Resulting Numbers: [83, 23] Generated Node #0,1,1: 71:[83, 23] Operation: 82-59=23 Exploring Operation: 59+83=142, Resulting Numbers: [82, 142] Generated Node #0,1,2: 71:[82, 142] Operation: 59+83=142 Exploring Operation: 83-82=1, Resulting Numbers: [59, 1] Generated Node #0,1,3: 71:[59, 1] Operation: 83-82=1 Exploring Operation: 59+82=141, Resulting Numbers: [83, 141] Generated Node #0,1,4: 71:[83, 141] Operation: 59+82=141 Moving to Node #0,3 Current State: 71:[59, 86, 79], Operations: ['82-3=79'] Exploring Operation: 86-59=27, Resulting Numbers: [79, 27] Generated Node #0,3,0: 71:[79, 27] Operation: 86-59=27 Exploring Operation: 86-79=7, Resulting Numbers: [59, 7] Generated Node #0,3,1: 71:[59, 7] Operation: 86-79=7 Exploring Operation: 79-59=20, Resulting Numbers: [86, 20] Generated Node #0,3,2: 71:[86, 20] Operation: 79-59=20 Exploring Operation: 59+86=145, Resulting Numbers: [79, 145] Generated Node #0,3,3: 71:[79, 145] Operation: 59+86=145 Exploring Operation: 59+79=138, Resulting Numbers: [86, 138] Generated Node #0,3,4: 71:[86, 138] Operation: 59+79=138 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[79, 27], Operations: ['82-3=79', '86-59=27'] Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,71 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[86, 20], Operations: ['82-3=79', '79-59=20'] Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,71 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[59, 7], Operations: ['82-3=79', '86-79=7'] Exploring Operation: 59+7=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 59*7=413, Resulting Numbers: [413] 413,71 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[79, 145], Operations: ['82-3=79', '59+86=145'] Exploring Operation: 145-79=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 79*145=11455, Resulting Numbers: [11455] 11455,71 unequal: No Solution Exploring Operation: 79+145=224, Resulting Numbers: [224] 224,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[86, 138], Operations: ['82-3=79', '59+79=138'] Exploring Operation: 86*138=11868, Resulting Numbers: [11868] 11868,71 unequal: No Solution Exploring Operation: 86+138=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 138-86=52, Resulting Numbers: [52] 52,71 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: 71:[82, 86, 62], Operations: ['59+3=62'] Exploring Operation: 82+62=144, Resulting Numbers: [86, 144] Generated Node #0,2,0: 71:[86, 144] Operation: 82+62=144 Exploring Operation: 82-62=20, Resulting Numbers: [86, 20] Generated Node #0,2,1: 71:[86, 20] Operation: 82-62=20 Exploring Operation: 86+62=148, Resulting Numbers: [82, 148] Generated Node #0,2,2: 71:[82, 148] Operation: 86+62=148 Exploring Operation: 86-62=24, Resulting Numbers: [82, 24] Generated Node #0,2,3: 71:[82, 24] Operation: 86-62=24 Exploring Operation: 86-82=4, Resulting Numbers: [62, 4] Generated Node #0,2,4: 71:[62, 4] Operation: 86-82=4 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 71:[82, 24], Operations: ['59+3=62', '86-62=24'] Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,71 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[86, 20], Operations: ['59+3=62', '82-62=20'] Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,71 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 71:[62, 4], Operations: ['59+3=62', '86-82=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,71 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[86, 144], Operations: ['59+3=62', '82+62=144'] Exploring Operation: 86*144=12384, Resulting Numbers: [12384] 12384,71 unequal: No Solution Exploring Operation: 86+144=230, Resulting Numbers: [230] 230,71 unequal: No Solution Exploring Operation: 144-86=58, Resulting Numbers: [58] 58,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[82, 148], Operations: ['59+3=62', '86+62=148'] Exploring Operation: 148-82=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 82*148=12136, Resulting Numbers: [12136] 12136,71 unequal: No Solution Exploring Operation: 82+148=230, Resulting Numbers: [230] 230,71 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: 71:[82, 86, 56], Operations: ['59-3=56'] Exploring Operation: 86+56=142, Resulting Numbers: [82, 142] Generated Node #0,0,0: 71:[82, 142] Operation: 86+56=142 Exploring Operation: 82-56=26, Resulting Numbers: [86, 26] Generated Node #0,0,1: 71:[86, 26] Operation: 82-56=26 Exploring Operation: 86-56=30, Resulting Numbers: [82, 30] Generated Node #0,0,2: 71:[82, 30] Operation: 86-56=30 Exploring Operation: 86-82=4, Resulting Numbers: [56, 4] Generated Node #0,0,3: 71:[56, 4] Operation: 86-82=4 Exploring Operation: 82+56=138, Resulting Numbers: [86, 138] Generated Node #0,0,4: 71:[86, 138] Operation: 82+56=138 Moving to Node #0,4 Current State: 71:[59, 86, 85], Operations: ['82+3=85'] Exploring Operation: 86-59=27, Resulting Numbers: [85, 27] Generated Node #0,4,0: 71:[85, 27] Operation: 86-59=27 Exploring Operation: 86-85=1, Resulting Numbers: [59, 1] Generated Node #0,4,1: 71:[59, 1] Operation: 86-85=1 Exploring Operation: 59+85=144, Resulting Numbers: [86, 144] Generated Node #0,4,2: 71:[86, 144] Operation: 59+85=144 Exploring Operation: 59+86=145, Resulting Numbers: [85, 145] Generated Node #0,4,3: 71:[85, 145] Operation: 59+86=145 Exploring Operation: 85-59=26, Resulting Numbers: [86, 26] Generated Node #0,4,4: 71:[86, 26] Operation: 85-59=26 Moving to Node #0,0,2 Current State: 71:[82, 30], Operations: ['59-3=56', '86-56=30'] Exploring Operation: 82*30=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[82, 24], Operations: ['86-3=83', '83-59=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,71 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[85, 27], Operations: ['82+3=85', '86-59=27'] Exploring Operation: 85-27=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 85+27=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 85*27=2295, Resulting Numbers: [2295] 2295,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[86, 26], Operations: ['59-3=56', '82-56=26'] Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 86*26=2236, Resulting Numbers: [2236] 2236,71 unequal: No Solution Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[86, 26], Operations: ['82+3=85', '85-59=26'] Exploring Operation: 86*26=2236, Resulting Numbers: [2236] 2236,71 unequal: No Solution Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[83, 23], Operations: ['86-3=83', '82-59=23'] Exploring Operation: 83*23=1909, Resulting Numbers: [1909] 1909,71 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 83+23=106, Resulting Numbers: [106] 106,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[82, 142], Operations: ['86-3=83', '59+83=142'] Exploring Operation: 82+142=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 142-82=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 82*142=11644, Resulting Numbers: [11644] 11644,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[59, 1], Operations: ['82+3=85', '86-85=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[56, 4], Operations: ['59-3=56', '86-82=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[82, 142], Operations: ['59-3=56', '86+56=142'] Exploring Operation: 82+142=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 82*142=11644, Resulting Numbers: [11644] 11644,71 unequal: No Solution Exploring Operation: 142-82=60, Resulting Numbers: [60] 60,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[83, 141], Operations: ['86-3=83', '59+82=141'] Exploring Operation: 141-83=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 83+141=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 83*141=11703, Resulting Numbers: [11703] 11703,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[86, 138], Operations: ['59-3=56', '82+56=138'] Exploring Operation: 86+138=224, Resulting Numbers: [224] 224,71 unequal: No Solution Exploring Operation: 138-86=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 86*138=11868, Resulting Numbers: [11868] 11868,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[59, 1], Operations: ['86-3=83', '83-82=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[86, 144], Operations: ['82+3=85', '59+85=144'] Exploring Operation: 86+144=230, Resulting Numbers: [230] 230,71 unequal: No Solution Exploring Operation: 86*144=12384, Resulting Numbers: [12384] 12384,71 unequal: No Solution Exploring Operation: 144-86=58, Resulting Numbers: [58] 58,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[85, 145], Operations: ['82+3=85', '59+86=145'] Exploring Operation: 145-85=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 85*145=12325, Resulting Numbers: [12325] 12325,71 unequal: No Solution Exploring Operation: 85+145=230, Resulting Numbers: [230] 230,71 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 56, 3, 39, 60 ]
51
[ "60-56=4", "3*4=12", "39+12=51" ]
Current State: 51:[56, 3, 39, 60], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [3, 39, 4] Generated Node #2: [3, 39, 4] from Operation: 60-56=4 Current State: 51:[3, 39, 4], Operations: ['60-56=4'] Exploring Operation: 3*4=12, Resulting Numbers: [39, 12] Generated Node #3: [39, 12] from Operation: 3*4=12 Current State: 51:[39, 12], Operations: ['60-56=4', '3*4=12'] Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[56, 3, 39, 60], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [56, 60, 13] Generated Node #0,0: 51:[56, 60, 13] Operation: 39/3=13 Exploring Operation: 60/3=20, Resulting Numbers: [56, 39, 20] Generated Node #0,1: 51:[56, 39, 20] Operation: 60/3=20 Exploring Operation: 56-39=17, Resulting Numbers: [3, 60, 17] Generated Node #0,2: 51:[3, 60, 17] Operation: 56-39=17 Exploring Operation: 60-39=21, Resulting Numbers: [56, 3, 21] Generated Node #0,3: 51:[56, 3, 21] Operation: 60-39=21 Exploring Operation: 60-56=4, Resulting Numbers: [3, 39, 4] Generated Node #0,4: 51:[3, 39, 4] Operation: 60-56=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[3, 60, 17], Operations: ['56-39=17'] Exploring Operation: 60/3=20, Resulting Numbers: [17, 20] Generated Node #0,2,0: 51:[17, 20] Operation: 60/3=20 Exploring Operation: 60-17=43, Resulting Numbers: [3, 43] Generated Node #0,2,1: 51:[3, 43] Operation: 60-17=43 Exploring Operation: 3+60=63, Resulting Numbers: [17, 63] Generated Node #0,2,2: 51:[17, 63] Operation: 3+60=63 Exploring Operation: 60-3=57, Resulting Numbers: [17, 57] Generated Node #0,2,3: 51:[17, 57] Operation: 60-3=57 Exploring Operation: 3*17=51, Resulting Numbers: [60, 51] Generated Node #0,2,4: 51:[60, 51] Operation: 3*17=51 Moving to Node #0,2,0 Current State: 51:[17, 20], Operations: ['56-39=17', '60/3=20'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,51 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[17, 57], Operations: ['56-39=17', '60-3=57'] Exploring Operation: 17*57=969, Resulting Numbers: [969] 969,51 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 17+57=74, Resulting Numbers: [74] 74,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[3, 43], Operations: ['56-39=17', '60-17=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,51 unequal: No Solution Moving to Node #0,2,4 Current State: 51:[60, 51], Operations: ['56-39=17', '3*17=51'] Exploring Operation: 60-51=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 60*51=3060, Resulting Numbers: [3060] 3060,51 unequal: No Solution Exploring Operation: 60+51=111, Resulting Numbers: [111] 111,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[17, 63], Operations: ['56-39=17', '3+60=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[56, 3, 21], Operations: ['60-39=21'] Exploring Operation: 56-3=53, Resulting Numbers: [21, 53] Generated Node #0,3,0: 51:[21, 53] Operation: 56-3=53 Exploring Operation: 21-3=18, Resulting Numbers: [56, 18] Generated Node #0,3,1: 51:[56, 18] Operation: 21-3=18 Exploring Operation: 3+21=24, Resulting Numbers: [56, 24] Generated Node #0,3,2: 51:[56, 24] Operation: 3+21=24 Exploring Operation: 21/3=7, Resulting Numbers: [56, 7] Generated Node #0,3,3: 51:[56, 7] Operation: 21/3=7 Exploring Operation: 56+3=59, Resulting Numbers: [21, 59] Generated Node #0,3,4: 51:[21, 59] Operation: 56+3=59 Moving to Node #0,3,0 Current State: 51:[21, 53], Operations: ['60-39=21', '56-3=53'] Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,51 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,51 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[56, 18], Operations: ['60-39=21', '21-3=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,51 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,51 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[56, 7], Operations: ['60-39=21', '21/3=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,51 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[56, 24], Operations: ['60-39=21', '3+21=24'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,51 unequal: No Solution Moving to Node #0,3,4 Current State: 51:[21, 59], Operations: ['60-39=21', '56+3=59'] Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,51 unequal: No Solution Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[3, 39, 4], Operations: ['60-56=4'] Exploring Operation: 39-3=36, Resulting Numbers: [4, 36] Generated Node #0,4,0: 51:[4, 36] Operation: 39-3=36 Exploring Operation: 39/3=13, Resulting Numbers: [4, 13] Generated Node #0,4,1: 51:[4, 13] Operation: 39/3=13 Exploring Operation: 4-3=1, Resulting Numbers: [39, 1] Generated Node #0,4,2: 51:[39, 1] Operation: 4-3=1 Exploring Operation: 39+4=43, Resulting Numbers: [3, 43] Generated Node #0,4,3: 51:[3, 43] Operation: 39+4=43 Exploring Operation: 3+39=42, Resulting Numbers: [4, 42] Generated Node #0,4,4: 51:[4, 42] Operation: 3+39=42 Moving to Node #0,4,1 Current State: 51:[4, 13], Operations: ['60-56=4', '39/3=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,51 unequal: No Solution Moving to Node #0,4,3 Current State: 51:[3, 43], Operations: ['60-56=4', '39+4=43'] Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,51 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,4,4 Current State: 51:[4, 42], Operations: ['60-56=4', '3+39=42'] Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,51 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,4,2 Current State: 51:[39, 1], Operations: ['60-56=4', '4-3=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,4,0 Current State: 51:[4, 36], Operations: ['60-56=4', '39-3=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[56, 60, 13], Operations: ['39/3=13'] Exploring Operation: 60+13=73, Resulting Numbers: [56, 73] Generated Node #0,0,0: 51:[56, 73] Operation: 60+13=73 Exploring Operation: 60-13=47, Resulting Numbers: [56, 47] Generated Node #0,0,1: 51:[56, 47] Operation: 60-13=47 Exploring Operation: 60-56=4, Resulting Numbers: [13, 4] Generated Node #0,0,2: 51:[13, 4] Operation: 60-56=4 Exploring Operation: 56-13=43, Resulting Numbers: [60, 43] Generated Node #0,0,3: 51:[60, 43] Operation: 56-13=43 Exploring Operation: 56+13=69, Resulting Numbers: [60, 69] Generated Node #0,0,4: 51:[60, 69] Operation: 56+13=69 Moving to Node #0,0,2 Current State: 51:[13, 4], Operations: ['39/3=13', '60-56=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[56, 47], Operations: ['39/3=13', '60-13=47'] Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,51 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[60, 43], Operations: ['39/3=13', '56-13=43'] Exploring Operation: 60+43=103, Resulting Numbers: [103] 103,51 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 60*43=2580, Resulting Numbers: [2580] 2580,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[56, 73], Operations: ['39/3=13', '60+13=73'] Exploring Operation: 56*73=4088, Resulting Numbers: [4088] 4088,51 unequal: No Solution Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 56+73=129, Resulting Numbers: [129] 129,51 unequal: No Solution Moving to Node #0,0,4 Current State: 51:[60, 69], Operations: ['39/3=13', '56+13=69'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,51 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[56, 39, 20], Operations: ['60/3=20'] Exploring Operation: 39-20=19, Resulting Numbers: [56, 19] Generated Node #0,1,0: 51:[56, 19] Operation: 39-20=19 Exploring Operation: 56-39=17, Resulting Numbers: [20, 17] Generated Node #0,1,1: 51:[20, 17] Operation: 56-39=17 Exploring Operation: 56+20=76, Resulting Numbers: [39, 76] Generated Node #0,1,2: 51:[39, 76] Operation: 56+20=76 Exploring Operation: 56-20=36, Resulting Numbers: [39, 36] Generated Node #0,1,3: 51:[39, 36] Operation: 56-20=36 Exploring Operation: 39+20=59, Resulting Numbers: [56, 59] Generated Node #0,1,4: 51:[56, 59] Operation: 39+20=59 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[20, 17], Operations: ['60/3=20', '56-39=17'] Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,51 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[56, 19], Operations: ['60/3=20', '39-20=19'] Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 51:[56, 59], Operations: ['60/3=20', '39+20=59'] Exploring Operation: 56+59=115, Resulting Numbers: [115] 115,51 unequal: No Solution Exploring Operation: 59-56=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 56*59=3304, Resulting Numbers: [3304] 3304,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 51:[39, 36], Operations: ['60/3=20', '56-20=36'] Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,51 unequal: No Solution Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 51:[39, 76], Operations: ['60/3=20', '56+20=76'] Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 39+76=115, Resulting Numbers: [115] 115,51 unequal: No Solution Exploring Operation: 39*76=2964, Resulting Numbers: [2964] 2964,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 29, 39, 5, 41 ]
45
[ "39+41=80", "80/5=16", "29+16=45" ]
Current State: 45:[29, 39, 5, 41], Operations: [] Exploring Operation: 39+41=80, Resulting Numbers: [29, 5, 80] Generated Node #2: [29, 5, 80] from Operation: 39+41=80 Current State: 45:[29, 5, 80], Operations: ['39+41=80'] Exploring Operation: 80/5=16, Resulting Numbers: [29, 16] Generated Node #3: [29, 16] from Operation: 80/5=16 Current State: 45:[29, 16], Operations: ['39+41=80', '80/5=16'] Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[29, 39, 5, 41], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [5, 41, 10] Generated Node #0,0: 45:[5, 41, 10] Operation: 39-29=10 Exploring Operation: 41-29=12, Resulting Numbers: [39, 5, 12] Generated Node #0,1: 45:[39, 5, 12] Operation: 41-29=12 Exploring Operation: 41-39=2, Resulting Numbers: [29, 5, 2] Generated Node #0,2: 45:[29, 5, 2] Operation: 41-39=2 Moving to Node #0,0 Current State: 45:[5, 41, 10], Operations: ['39-29=10'] Exploring Operation: 10-5=5, Resulting Numbers: [41, 5] Generated Node #0,0,0: 45:[41, 5] Operation: 10-5=5 Exploring Operation: 5+41=46, Resulting Numbers: [10, 46] Generated Node #0,0,1: 45:[10, 46] Operation: 5+41=46 Exploring Operation: 5+10=15, Resulting Numbers: [41, 15] Generated Node #0,0,2: 45:[41, 15] Operation: 5+10=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[10, 46], Operations: ['39-29=10', '5+41=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,45 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[41, 5], Operations: ['39-29=10', '10-5=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,45 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[41, 15], Operations: ['39-29=10', '5+10=15'] Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,45 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,45 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:[39, 5, 12], Operations: ['41-29=12'] Exploring Operation: 5+12=17, Resulting Numbers: [39, 17] Generated Node #0,1,0: 45:[39, 17] Operation: 5+12=17 Exploring Operation: 39+12=51, Resulting Numbers: [5, 51] Generated Node #0,1,1: 45:[5, 51] Operation: 39+12=51 Exploring Operation: 39+5=44, Resulting Numbers: [12, 44] Generated Node #0,1,2: 45:[12, 44] Operation: 39+5=44 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[12, 44], Operations: ['41-29=12', '39+5=44'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,45 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:[5, 51], Operations: ['41-29=12', '39+12=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,45 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,45 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:[39, 17], Operations: ['41-29=12', '5+12=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,45 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:[29, 5, 2], Operations: ['41-39=2'] Exploring Operation: 29-2=27, Resulting Numbers: [5, 27] Generated Node #0,2,0: 45:[5, 27] Operation: 29-2=27 Exploring Operation: 29+5=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 45:[2, 34] Operation: 29+5=34 Exploring Operation: 29-5=24, Resulting Numbers: [2, 24] Generated Node #0,2,2: 45:[2, 24] Operation: 29-5=24 Moving to Node #0,2,2 Current State: 45:[2, 24], Operations: ['41-39=2', '29-5=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[5, 27], Operations: ['41-39=2', '29-2=27'] Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,45 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,45 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[2, 34], Operations: ['41-39=2', '29+5=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,45 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 99, 24, 91, 57 ]
73
[ "99-24=75", "91+57=148", "148-75=73" ]
Current State: 73:[99, 24, 91, 57], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [91, 57, 75] Generated Node #2: [91, 57, 75] from Operation: 99-24=75 Current State: 73:[91, 57, 75], Operations: ['99-24=75'] Exploring Operation: 91+57=148, Resulting Numbers: [75, 148] Generated Node #3: [75, 148] from Operation: 91+57=148 Current State: 73:[75, 148], Operations: ['99-24=75', '91+57=148'] Exploring Operation: 148-75=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[99, 24, 91, 57], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [91, 57, 75] Generated Node #0,0: 73:[91, 57, 75] Operation: 99-24=75 Exploring Operation: 24+57=81, Resulting Numbers: [99, 91, 81] Generated Node #0,1: 73:[99, 91, 81] Operation: 24+57=81 Exploring Operation: 91-24=67, Resulting Numbers: [99, 57, 67] Generated Node #0,2: 73:[99, 57, 67] Operation: 91-24=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[91, 57, 75], Operations: ['99-24=75'] Exploring Operation: 91-57=34, Resulting Numbers: [75, 34] Generated Node #0,0,0: 73:[75, 34] Operation: 91-57=34 Exploring Operation: 91-75=16, Resulting Numbers: [57, 16] Generated Node #0,0,1: 73:[57, 16] Operation: 91-75=16 Exploring Operation: 75-57=18, Resulting Numbers: [91, 18] Generated Node #0,0,2: 73:[91, 18] Operation: 75-57=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[75, 34], Operations: ['99-24=75', '91-57=34'] Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,73 unequal: No Solution Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[57, 16], Operations: ['99-24=75', '91-75=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[99, 24, 91, 57], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [91, 57, 75] Generated Node #0,0: 73:[91, 57, 75] Operation: 99-24=75 Moving to Node #0,0 Current State: 73:[91, 57, 75], Operations: ['99-24=75'] Exploring Operation: 91-75=16, Resulting Numbers: [57, 16] Generated Node #0,0,1: 73:[57, 16] Operation: 91-75=16 Moving to Node #0,0,1 Current State: 73:[57, 16], Operations: ['99-24=75', '91-75=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 28, 26, 48, 5 ]
86
[ "28-26=2", "48-5=43", "2*43=86" ]
Current State: 86:[28, 26, 48, 5], Operations: [] Exploring Operation: 28-26=2, Resulting Numbers: [48, 5, 2] Generated Node #2: [48, 5, 2] from Operation: 28-26=2 Current State: 86:[48, 5, 2], Operations: ['28-26=2'] Exploring Operation: 48-5=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 48-5=43 Current State: 86:[2, 43], Operations: ['28-26=2', '48-5=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[28, 26, 48, 5], Operations: [] Exploring Operation: 28+26=54, Resulting Numbers: [48, 5, 54] Generated Node #0,0: 86:[48, 5, 54] Operation: 28+26=54 Exploring Operation: 28+48=76, Resulting Numbers: [26, 5, 76] Generated Node #0,1: 86:[26, 5, 76] Operation: 28+48=76 Exploring Operation: 28-26=2, Resulting Numbers: [48, 5, 2] Generated Node #0,2: 86:[48, 5, 2] Operation: 28-26=2 Moving to Node #0,2 Current State: 86:[48, 5, 2], Operations: ['28-26=2'] Exploring Operation: 48-2=46, Resulting Numbers: [5, 46] Generated Node #0,2,0: 86:[5, 46] Operation: 48-2=46 Exploring Operation: 5-2=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 86:[48, 3] Operation: 5-2=3 Exploring Operation: 48-5=43, Resulting Numbers: [2, 43] Generated Node #0,2,2: 86:[2, 43] Operation: 48-5=43 Moving to Node #0,0 Current State: 86:[48, 5, 54], Operations: ['28+26=54'] Exploring Operation: 54-5=49, Resulting Numbers: [48, 49] Generated Node #0,0,0: 86:[48, 49] Operation: 54-5=49 Exploring Operation: 54-48=6, Resulting Numbers: [5, 6] Generated Node #0,0,1: 86:[5, 6] Operation: 54-48=6 Exploring Operation: 48-5=43, Resulting Numbers: [54, 43] Generated Node #0,0,2: 86:[54, 43] Operation: 48-5=43 Moving to Node #0,1 Current State: 86:[26, 5, 76], Operations: ['28+48=76'] Exploring Operation: 26+76=102, Resulting Numbers: [5, 102] Generated Node #0,1,0: 86:[5, 102] Operation: 26+76=102 Exploring Operation: 26+5=31, Resulting Numbers: [76, 31] Generated Node #0,1,1: 86:[76, 31] Operation: 26+5=31 Exploring Operation: 76-26=50, Resulting Numbers: [5, 50] Generated Node #0,1,2: 86:[5, 50] Operation: 76-26=50 Moving to Node #0,2,2 Current State: 86:[2, 43], Operations: ['28-26=2', '48-5=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[28, 26, 48, 5], Operations: [] Exploring Operation: 28-26=2, Resulting Numbers: [48, 5, 2] Generated Node #0,2: 86:[48, 5, 2] Operation: 28-26=2 Moving to Node #0,2 Current State: 86:[48, 5, 2], Operations: ['28-26=2'] Exploring Operation: 48-5=43, Resulting Numbers: [2, 43] Generated Node #0,2,2: 86:[2, 43] Operation: 48-5=43 Moving to Node #0,2,2 Current State: 86:[2, 43], Operations: ['28-26=2', '48-5=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 84, 63, 21, 79 ]
59
[ "63*79=4977", "4977-21=4956", "4956/84=59" ]
Current State: 59:[84, 63, 21, 79], Operations: [] Exploring Operation: 63*79=4977, Resulting Numbers: [84, 21, 4977] Generated Node #2: [84, 21, 4977] from Operation: 63*79=4977 Current State: 59:[84, 21, 4977], Operations: ['63*79=4977'] Exploring Operation: 4977-21=4956, Resulting Numbers: [84, 4956] Generated Node #3: [84, 4956] from Operation: 4977-21=4956 Current State: 59:[84, 4956], Operations: ['63*79=4977', '4977-21=4956'] Exploring Operation: 4956/84=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[84, 63, 21, 79], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [84, 63, 58] Generated Node #0,0: 59:[84, 63, 58] Operation: 79-21=58 Exploring Operation: 84-21=63, Resulting Numbers: [63, 79, 63] Generated Node #0,1: 59:[63, 79, 63] Operation: 84-21=63 Moving to Node #0,1 Current State: 59:[63, 79, 63], Operations: ['84-21=63'] Exploring Operation: 79-63=16, Resulting Numbers: [63, 16] Generated Node #0,1,0: 59:[63, 16] Operation: 79-63=16 Exploring Operation: 79-63=16, Resulting Numbers: [63, 16] Generated Node #0,1,1: 59:[63, 16] Operation: 79-63=16 Moving to Node #0,0 Current State: 59:[84, 63, 58], Operations: ['79-21=58'] Exploring Operation: 84-58=26, Resulting Numbers: [63, 26] Generated Node #0,0,0: 59:[63, 26] Operation: 84-58=26 Exploring Operation: 84-63=21, Resulting Numbers: [58, 21] Generated Node #0,0,1: 59:[58, 21] Operation: 84-63=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[63, 26], Operations: ['79-21=58', '84-58=26'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,59 unequal: No Solution No 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: 59:[58, 21], Operations: ['79-21=58', '84-63=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,59 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: 59:[63, 16], Operations: ['84-21=63', '79-63=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[63, 16], Operations: ['84-21=63', '79-63=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,59 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 52, 2, 23, 6 ]
55
[ "52/2=26", "23+6=29", "26+29=55" ]
Current State: 55:[52, 2, 23, 6], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [23, 6, 26] Generated Node #2: [23, 6, 26] from Operation: 52/2=26 Current State: 55:[23, 6, 26], Operations: ['52/2=26'] Exploring Operation: 23+6=29, Resulting Numbers: [26, 29] Generated Node #3: [26, 29] from Operation: 23+6=29 Current State: 55:[26, 29], Operations: ['52/2=26', '23+6=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[52, 2, 23, 6], Operations: [] Exploring Operation: 23-6=17, Resulting Numbers: [52, 2, 17] Generated Node #0,0: 55:[52, 2, 17] Operation: 23-6=17 Exploring Operation: 2*23=46, Resulting Numbers: [52, 6, 46] Generated Node #0,1: 55:[52, 6, 46] Operation: 2*23=46 Exploring Operation: 52+2=54, Resulting Numbers: [23, 6, 54] Generated Node #0,2: 55:[23, 6, 54] Operation: 52+2=54 Exploring Operation: 2*6=12, Resulting Numbers: [52, 23, 12] Generated Node #0,3: 55:[52, 23, 12] Operation: 2*6=12 Exploring Operation: 23-2=21, Resulting Numbers: [52, 6, 21] Generated Node #0,4: 55:[52, 6, 21] Operation: 23-2=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[52, 2, 17], Operations: ['23-6=17'] Exploring Operation: 52+17=69, Resulting Numbers: [2, 69] Generated Node #0,0,0: 55:[2, 69] Operation: 52+17=69 Exploring Operation: 52-2=50, Resulting Numbers: [17, 50] Generated Node #0,0,1: 55:[17, 50] Operation: 52-2=50 Exploring Operation: 17-2=15, Resulting Numbers: [52, 15] Generated Node #0,0,2: 55:[52, 15] Operation: 17-2=15 Exploring Operation: 52+2=54, Resulting Numbers: [17, 54] Generated Node #0,0,3: 55:[17, 54] Operation: 52+2=54 Exploring Operation: 2+17=19, Resulting Numbers: [52, 19] Generated Node #0,0,4: 55:[52, 19] Operation: 2+17=19 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 55:[52, 15], Operations: ['23-6=17', '17-2=15'] Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 55:[17, 54], Operations: ['23-6=17', '52+2=54'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[17, 50], Operations: ['23-6=17', '52-2=50'] Exploring Operation: 17*50=850, Resulting Numbers: [850] 850,55 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 17+50=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 55:[52, 19], Operations: ['23-6=17', '2+17=19'] Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,55 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[2, 69], Operations: ['23-6=17', '52+17=69'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,55 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[52, 6, 46], Operations: ['2*23=46'] Exploring Operation: 52-6=46, Resulting Numbers: [46, 46] Generated Node #0,1,0: 55:[46, 46] Operation: 52-6=46 Exploring Operation: 52-46=6, Resulting Numbers: [6, 6] Generated Node #0,1,1: 55:[6, 6] Operation: 52-46=6 Exploring Operation: 52+6=58, Resulting Numbers: [46, 58] Generated Node #0,1,2: 55:[46, 58] Operation: 52+6=58 Exploring Operation: 6+46=52, Resulting Numbers: [52, 52] Generated Node #0,1,3: 55:[52, 52] Operation: 6+46=52 Exploring Operation: 46-6=40, Resulting Numbers: [52, 40] Generated Node #0,1,4: 55:[52, 40] Operation: 46-6=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[6, 6], Operations: ['2*23=46', '52-46=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 55:[52, 52], Operations: ['2*23=46', '6+46=52'] Exploring Operation: 52*52=2704, Resulting Numbers: [2704] 2704,55 unequal: No Solution Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 55:[46, 58], Operations: ['2*23=46', '52+6=58'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 46+58=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 46*58=2668, Resulting Numbers: [2668] 2668,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[46, 46], Operations: ['2*23=46', '52-6=46'] Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,55 unequal: No Solution Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 55:[52, 40], Operations: ['2*23=46', '46-6=40'] Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,55 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[23, 6, 54], Operations: ['52+2=54'] Exploring Operation: 54-6=48, Resulting Numbers: [23, 48] Generated Node #0,2,0: 55:[23, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [23, 9] Generated Node #0,2,1: 55:[23, 9] Operation: 54/6=9 Exploring Operation: 6+54=60, Resulting Numbers: [23, 60] Generated Node #0,2,2: 55:[23, 60] Operation: 6+54=60 Exploring Operation: 23+6=29, Resulting Numbers: [54, 29] Generated Node #0,2,3: 55:[54, 29] Operation: 23+6=29 Exploring Operation: 23-6=17, Resulting Numbers: [54, 17] Generated Node #0,2,4: 55:[54, 17] Operation: 23-6=17 Moving to Node #0,2,4 Current State: 55:[54, 17], Operations: ['52+2=54', '23-6=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[23, 9], Operations: ['52+2=54', '54/6=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,55 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[23, 60], Operations: ['52+2=54', '6+54=60'] Exploring Operation: 23+60=83, Resulting Numbers: [83] 83,55 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 23*60=1380, Resulting Numbers: [1380] 1380,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[23, 48], Operations: ['52+2=54', '54-6=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,55 unequal: No Solution Moving to Node #0,2,3 Current State: 55:[54, 29], Operations: ['52+2=54', '23+6=29'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,55 unequal: No Solution Exploring Operation: 54*29=1566, Resulting Numbers: [1566] 1566,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[52, 6, 21], Operations: ['23-2=21'] Exploring Operation: 21-6=15, Resulting Numbers: [52, 15] Generated Node #0,4,0: 55:[52, 15] Operation: 21-6=15 Exploring Operation: 52+21=73, Resulting Numbers: [6, 73] Generated Node #0,4,1: 55:[6, 73] Operation: 52+21=73 Exploring Operation: 52+6=58, Resulting Numbers: [21, 58] Generated Node #0,4,2: 55:[21, 58] Operation: 52+6=58 Exploring Operation: 52-6=46, Resulting Numbers: [21, 46] Generated Node #0,4,3: 55:[21, 46] Operation: 52-6=46 Exploring Operation: 6+21=27, Resulting Numbers: [52, 27] Generated Node #0,4,4: 55:[52, 27] Operation: 6+21=27 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 55:[52, 15], Operations: ['23-2=21', '21-6=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,55 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 55:[21, 58], Operations: ['23-2=21', '52+6=58'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 55:[6, 73], Operations: ['23-2=21', '52+21=73'] Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,55 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 55:[21, 46], Operations: ['23-2=21', '52-6=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 55:[52, 27], Operations: ['23-2=21', '6+21=27'] Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,55 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[52, 23, 12], Operations: ['2*6=12'] Exploring Operation: 23-12=11, Resulting Numbers: [52, 11] Generated Node #0,3,0: 55:[52, 11] Operation: 23-12=11 Exploring Operation: 52-23=29, Resulting Numbers: [12, 29] Generated Node #0,3,1: 55:[12, 29] Operation: 52-23=29 Exploring Operation: 52+23=75, Resulting Numbers: [12, 75] Generated Node #0,3,2: 55:[12, 75] Operation: 52+23=75 Exploring Operation: 23+12=35, Resulting Numbers: [52, 35] Generated Node #0,3,3: 55:[52, 35] Operation: 23+12=35 Exploring Operation: 52+12=64, Resulting Numbers: [23, 64] Generated Node #0,3,4: 55:[23, 64] Operation: 52+12=64 Moving to Node #0,3,0 Current State: 55:[52, 11], Operations: ['2*6=12', '23-12=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,55 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[12, 29], Operations: ['2*6=12', '52-23=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,55 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[12, 75], Operations: ['2*6=12', '52+23=75'] Exploring Operation: 12+75=87, Resulting Numbers: [87] 87,55 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,55 unequal: No Solution Exploring Operation: 12*75=900, Resulting Numbers: [900] 900,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[23, 64], Operations: ['2*6=12', '52+12=64'] Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,55 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[52, 35], Operations: ['2*6=12', '23+12=35'] Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,55 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,55 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
[ 83, 1, 71, 28 ]
39
[ "83-1=82", "71-28=43", "82-43=39" ]
Current State: 39:[83, 1, 71, 28], Operations: [] Exploring Operation: 83-1=82, Resulting Numbers: [71, 28, 82] Generated Node #2: [71, 28, 82] from Operation: 83-1=82 Current State: 39:[71, 28, 82], Operations: ['83-1=82'] Exploring Operation: 71-28=43, Resulting Numbers: [82, 43] Generated Node #3: [82, 43] from Operation: 71-28=43 Current State: 39:[82, 43], Operations: ['83-1=82', '71-28=43'] Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[83, 1, 71, 28], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [1, 28, 12] Generated Node #0,0: 39:[1, 28, 12] Operation: 83-71=12 Exploring Operation: 83-1=82, Resulting Numbers: [71, 28, 82] Generated Node #0,1: 39:[71, 28, 82] Operation: 83-1=82 Exploring Operation: 83-28=55, Resulting Numbers: [1, 71, 55] Generated Node #0,2: 39:[1, 71, 55] Operation: 83-28=55 Exploring Operation: 71-1=70, Resulting Numbers: [83, 28, 70] Generated Node #0,3: 39:[83, 28, 70] Operation: 71-1=70 Exploring Operation: 71-28=43, Resulting Numbers: [83, 1, 43] Generated Node #0,4: 39:[83, 1, 43] Operation: 71-28=43 Moving to Node #0,0 Current State: 39:[1, 28, 12], Operations: ['83-71=12'] Exploring Operation: 1+12=13, Resulting Numbers: [28, 13] Generated Node #0,0,0: 39:[28, 13] Operation: 1+12=13 Exploring Operation: 28+12=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 39:[1, 40] Operation: 28+12=40 Exploring Operation: 1*28=28, Resulting Numbers: [12, 28] Generated Node #0,0,2: 39:[12, 28] Operation: 1*28=28 Exploring Operation: 1+28=29, Resulting Numbers: [12, 29] Generated Node #0,0,3: 39:[12, 29] Operation: 1+28=29 Exploring Operation: 28-12=16, Resulting Numbers: [1, 16] Generated Node #0,0,4: 39:[1, 16] Operation: 28-12=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[1, 40], Operations: ['83-71=12', '28+12=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[83, 1, 71, 28], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [1, 28, 12] Generated Node #0,0: 39:[1, 28, 12] Operation: 83-71=12 Moving to Node #0,0 Current State: 39:[1, 28, 12], Operations: ['83-71=12'] Exploring Operation: 28+12=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 39:[1, 40] Operation: 28+12=40 Moving to Node #0,0,1 Current State: 39:[1, 40], Operations: ['83-71=12', '28+12=40'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 14, 1, 17, 42 ]
48
[ "42/14=3", "17-1=16", "3*16=48" ]
Current State: 48:[14, 1, 17, 42], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [1, 17, 3] Generated Node #2: [1, 17, 3] from Operation: 42/14=3 Current State: 48:[1, 17, 3], Operations: ['42/14=3'] Exploring Operation: 17-1=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 17-1=16 Current State: 48:[3, 16], Operations: ['42/14=3', '17-1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[14, 1, 17, 42], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [1, 17, 3] Generated Node #0,0: 48:[1, 17, 3] Operation: 42/14=3 Exploring Operation: 42-17=25, Resulting Numbers: [14, 1, 25] Generated Node #0,1: 48:[14, 1, 25] Operation: 42-17=25 Moving to Node #0,0 Current State: 48:[1, 17, 3], Operations: ['42/14=3'] Exploring Operation: 17-1=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 17-1=16 Exploring Operation: 1*17=17, Resulting Numbers: [3, 17] Generated Node #0,0,1: 48:[3, 17] Operation: 1*17=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['42/14=3', '17-1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[14, 1, 17, 42], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [1, 17, 3] Generated Node #0,0: 48:[1, 17, 3] Operation: 42/14=3 Moving to Node #0,0 Current State: 48:[1, 17, 3], Operations: ['42/14=3'] Exploring Operation: 17-1=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 17-1=16 Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['42/14=3', '17-1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 15, 51, 68, 46 ]
44
[ "15+51=66", "68-46=22", "66-22=44" ]
Current State: 44:[15, 51, 68, 46], Operations: [] Exploring Operation: 15+51=66, Resulting Numbers: [68, 46, 66] Generated Node #2: [68, 46, 66] from Operation: 15+51=66 Current State: 44:[68, 46, 66], Operations: ['15+51=66'] Exploring Operation: 68-46=22, Resulting Numbers: [66, 22] Generated Node #3: [66, 22] from Operation: 68-46=22 Current State: 44:[66, 22], Operations: ['15+51=66', '68-46=22'] Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[15, 51, 68, 46], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [15, 68, 5] Generated Node #0,0: 44:[15, 68, 5] Operation: 51-46=5 Exploring Operation: 68-46=22, Resulting Numbers: [15, 51, 22] Generated Node #0,1: 44:[15, 51, 22] Operation: 68-46=22 Exploring Operation: 68-51=17, Resulting Numbers: [15, 46, 17] Generated Node #0,2: 44:[15, 46, 17] Operation: 68-51=17 Exploring Operation: 68-15=53, Resulting Numbers: [51, 46, 53] Generated Node #0,3: 44:[51, 46, 53] Operation: 68-15=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[15, 51, 22], Operations: ['68-46=22'] Exploring Operation: 51-22=29, Resulting Numbers: [15, 29] Generated Node #0,1,0: 44:[15, 29] Operation: 51-22=29 Exploring Operation: 51-15=36, Resulting Numbers: [22, 36] Generated Node #0,1,1: 44:[22, 36] Operation: 51-15=36 Exploring Operation: 22-15=7, Resulting Numbers: [51, 7] Generated Node #0,1,2: 44:[51, 7] Operation: 22-15=7 Exploring Operation: 15+22=37, Resulting Numbers: [51, 37] Generated Node #0,1,3: 44:[51, 37] Operation: 15+22=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[22, 36], Operations: ['68-46=22', '51-15=36'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,44 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[51, 7], Operations: ['68-46=22', '22-15=7'] Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,44 unequal: No Solution Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[15, 51, 68, 46], Operations: [] Exploring Operation: 68-46=22, Resulting Numbers: [15, 51, 22] Generated Node #0,1: 44:[15, 51, 22] Operation: 68-46=22 Moving to Node #0,1 Current State: 44:[15, 51, 22], Operations: ['68-46=22'] Exploring Operation: 22-15=7, Resulting Numbers: [51, 7] Generated Node #0,1,2: 44:[51, 7] Operation: 22-15=7 Moving to Node #0,1,2 Current State: 44:[51, 7], Operations: ['68-46=22', '22-15=7'] Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 39, 17, 99, 78 ]
43
[ "39-17=22", "99-78=21", "22+21=43" ]
Current State: 43:[39, 17, 99, 78], Operations: [] Exploring Operation: 39-17=22, Resulting Numbers: [99, 78, 22] Generated Node #2: [99, 78, 22] from Operation: 39-17=22 Current State: 43:[99, 78, 22], Operations: ['39-17=22'] Exploring Operation: 99-78=21, Resulting Numbers: [22, 21] Generated Node #3: [22, 21] from Operation: 99-78=21 Current State: 43:[22, 21], Operations: ['39-17=22', '99-78=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[39, 17, 99, 78], Operations: [] Exploring Operation: 99-39=60, Resulting Numbers: [17, 78, 60] Generated Node #0,0: 43:[17, 78, 60] Operation: 99-39=60 Exploring Operation: 99-17=82, Resulting Numbers: [39, 78, 82] Generated Node #0,1: 43:[39, 78, 82] Operation: 99-17=82 Exploring Operation: 99-78=21, Resulting Numbers: [39, 17, 21] Generated Node #0,2: 43:[39, 17, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[39, 17, 21], Operations: ['99-78=21'] Exploring Operation: 39+17=56, Resulting Numbers: [21, 56] Generated Node #0,2,0: 43:[21, 56] Operation: 39+17=56 Exploring Operation: 39-17=22, Resulting Numbers: [21, 22] Generated Node #0,2,1: 43:[21, 22] Operation: 39-17=22 Exploring Operation: 17+21=38, Resulting Numbers: [39, 38] Generated Node #0,2,2: 43:[39, 38] Operation: 17+21=38 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[39, 38], Operations: ['99-78=21', '17+21=38'] Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,43 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[21, 56], Operations: ['99-78=21', '39+17=56'] Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 21*56=1176, Resulting Numbers: [1176] 1176,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[21, 22], Operations: ['99-78=21', '39-17=22'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[39, 17, 99, 78], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [39, 17, 21] Generated Node #0,2: 43:[39, 17, 21] Operation: 99-78=21 Moving to Node #0,2 Current State: 43:[39, 17, 21], Operations: ['99-78=21'] Exploring Operation: 39-17=22, Resulting Numbers: [21, 22] Generated Node #0,2,1: 43:[21, 22] Operation: 39-17=22 Moving to Node #0,2,1 Current State: 43:[21, 22], Operations: ['99-78=21', '39-17=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 81, 71, 54, 21 ]
65
[ "81-71=10", "54+21=75", "75-10=65" ]
Current State: 65:[81, 71, 54, 21], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [54, 21, 10] Generated Node #2: [54, 21, 10] from Operation: 81-71=10 Current State: 65:[54, 21, 10], Operations: ['81-71=10'] Exploring Operation: 54+21=75, Resulting Numbers: [10, 75] Generated Node #3: [10, 75] from Operation: 54+21=75 Current State: 65:[10, 75], Operations: ['81-71=10', '54+21=75'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[81, 71, 54, 21], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [71, 21, 27] Generated Node #0,0: 65:[71, 21, 27] Operation: 81-54=27 Exploring Operation: 81-71=10, Resulting Numbers: [54, 21, 10] Generated Node #0,1: 65:[54, 21, 10] Operation: 81-71=10 Exploring Operation: 81-21=60, Resulting Numbers: [71, 54, 60] Generated Node #0,2: 65:[71, 54, 60] Operation: 81-21=60 Moving to Node #0,1 Current State: 65:[54, 21, 10], Operations: ['81-71=10'] Exploring Operation: 54+21=75, Resulting Numbers: [10, 75] Generated Node #0,1,0: 65:[10, 75] Operation: 54+21=75 Exploring Operation: 54+10=64, Resulting Numbers: [21, 64] Generated Node #0,1,1: 65:[21, 64] Operation: 54+10=64 Exploring Operation: 21-10=11, Resulting Numbers: [54, 11] Generated Node #0,1,2: 65:[54, 11] Operation: 21-10=11 Moving to Node #0,2 Current State: 65:[71, 54, 60], Operations: ['81-21=60'] Exploring Operation: 71-54=17, Resulting Numbers: [60, 17] Generated Node #0,2,0: 65:[60, 17] Operation: 71-54=17 Exploring Operation: 60-54=6, Resulting Numbers: [71, 6] Generated Node #0,2,1: 65:[71, 6] Operation: 60-54=6 Exploring Operation: 71-60=11, Resulting Numbers: [54, 11] Generated Node #0,2,2: 65:[54, 11] Operation: 71-60=11 Moving to Node #0,0 Current State: 65:[71, 21, 27], Operations: ['81-54=27'] Exploring Operation: 21+27=48, Resulting Numbers: [71, 48] Generated Node #0,0,0: 65:[71, 48] Operation: 21+27=48 Exploring Operation: 27-21=6, Resulting Numbers: [71, 6] Generated Node #0,0,1: 65:[71, 6] Operation: 27-21=6 Exploring Operation: 71-21=50, Resulting Numbers: [27, 50] Generated Node #0,0,2: 65:[27, 50] Operation: 71-21=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[71, 6], Operations: ['81-54=27', '27-21=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[81, 71, 54, 21], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [71, 21, 27] Generated Node #0,0: 65:[71, 21, 27] Operation: 81-54=27 Moving to Node #0,0 Current State: 65:[71, 21, 27], Operations: ['81-54=27'] Exploring Operation: 27-21=6, Resulting Numbers: [71, 6] Generated Node #0,0,1: 65:[71, 6] Operation: 27-21=6 Moving to Node #0,0,1 Current State: 65:[71, 6], Operations: ['81-54=27', '27-21=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 45, 44, 59, 82 ]
22
[ "45-44=1", "82-59=23", "23-1=22" ]
Current State: 22:[45, 44, 59, 82], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [59, 82, 1] Generated Node #2: [59, 82, 1] from Operation: 45-44=1 Current State: 22:[59, 82, 1], Operations: ['45-44=1'] Exploring Operation: 82-59=23, Resulting Numbers: [1, 23] Generated Node #3: [1, 23] from Operation: 82-59=23 Current State: 22:[1, 23], Operations: ['45-44=1', '82-59=23'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 44, 59, 82], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [45, 44, 23] Generated Node #0,0: 22:[45, 44, 23] Operation: 82-59=23 Exploring Operation: 82-45=37, Resulting Numbers: [44, 59, 37] Generated Node #0,1: 22:[44, 59, 37] Operation: 82-45=37 Moving to Node #0,0 Current State: 22:[45, 44, 23], Operations: ['82-59=23'] Exploring Operation: 45-23=22, Resulting Numbers: [44, 22] Generated Node #0,0,0: 22:[44, 22] Operation: 45-23=22 Exploring Operation: 45-44=1, Resulting Numbers: [23, 1] Generated Node #0,0,1: 22:[23, 1] Operation: 45-44=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[23, 1], Operations: ['82-59=23', '45-44=1'] Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[45, 44, 59, 82], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [45, 44, 23] Generated Node #0,0: 22:[45, 44, 23] Operation: 82-59=23 Moving to Node #0,0 Current State: 22:[45, 44, 23], Operations: ['82-59=23'] Exploring Operation: 45-44=1, Resulting Numbers: [23, 1] Generated Node #0,0,1: 22:[23, 1] Operation: 45-44=1 Moving to Node #0,0,1 Current State: 22:[23, 1], Operations: ['82-59=23', '45-44=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 84, 72, 61, 87 ]
33
[ "87-84=3", "72-61=11", "3*11=33" ]
Current State: 33:[84, 72, 61, 87], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [72, 61, 3] Generated Node #2: [72, 61, 3] from Operation: 87-84=3 Current State: 33:[72, 61, 3], Operations: ['87-84=3'] Exploring Operation: 72-61=11, Resulting Numbers: [3, 11] Generated Node #3: [3, 11] from Operation: 72-61=11 Current State: 33:[3, 11], Operations: ['87-84=3', '72-61=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[84, 72, 61, 87], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [61, 87, 12] Generated Node #0,0: 33:[61, 87, 12] Operation: 84-72=12 Exploring Operation: 87-84=3, Resulting Numbers: [72, 61, 3] Generated Node #0,1: 33:[72, 61, 3] Operation: 87-84=3 Moving to Node #0,1 Current State: 33:[72, 61, 3], Operations: ['87-84=3'] Exploring Operation: 72-61=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 33:[3, 11] Operation: 72-61=11 Exploring Operation: 72/3=24, Resulting Numbers: [61, 24] Generated Node #0,1,1: 33:[61, 24] Operation: 72/3=24 Moving to Node #0,0 Current State: 33:[61, 87, 12], Operations: ['84-72=12'] Exploring Operation: 87-61=26, Resulting Numbers: [12, 26] Generated Node #0,0,0: 33:[12, 26] Operation: 87-61=26 Exploring Operation: 61-12=49, Resulting Numbers: [87, 49] Generated Node #0,0,1: 33:[87, 49] Operation: 61-12=49 Moving to Node #0,1,0 Current State: 33:[3, 11], Operations: ['87-84=3', '72-61=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[84, 72, 61, 87], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [72, 61, 3] Generated Node #0,1: 33:[72, 61, 3] Operation: 87-84=3 Moving to Node #0,1 Current State: 33:[72, 61, 3], Operations: ['87-84=3'] Exploring Operation: 72-61=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 33:[3, 11] Operation: 72-61=11 Moving to Node #0,1,0 Current State: 33:[3, 11], Operations: ['87-84=3', '72-61=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 99, 50, 51, 33 ]
30
[ "99+51=150", "150/50=3", "33-3=30" ]
Current State: 30:[99, 50, 51, 33], Operations: [] Exploring Operation: 99+51=150, Resulting Numbers: [50, 33, 150] Generated Node #2: [50, 33, 150] from Operation: 99+51=150 Current State: 30:[50, 33, 150], Operations: ['99+51=150'] Exploring Operation: 150/50=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 150/50=3 Current State: 30:[33, 3], Operations: ['99+51=150', '150/50=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[99, 50, 51, 33], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [50, 33, 48] Generated Node #0,0: 30:[50, 33, 48] Operation: 99-51=48 Exploring Operation: 99/33=3, Resulting Numbers: [50, 51, 3] Generated Node #0,1: 30:[50, 51, 3] Operation: 99/33=3 Exploring Operation: 99-50=49, Resulting Numbers: [51, 33, 49] Generated Node #0,2: 30:[51, 33, 49] Operation: 99-50=49 Exploring Operation: 51-50=1, Resulting Numbers: [99, 33, 1] Generated Node #0,3: 30:[99, 33, 1] Operation: 51-50=1 Moving to Node #0,0 Current State: 30:[50, 33, 48], Operations: ['99-51=48'] Exploring Operation: 50-48=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 30:[33, 2] Operation: 50-48=2 Exploring Operation: 50-33=17, Resulting Numbers: [48, 17] Generated Node #0,0,1: 30:[48, 17] Operation: 50-33=17 Exploring Operation: 48-33=15, Resulting Numbers: [50, 15] Generated Node #0,0,2: 30:[50, 15] Operation: 48-33=15 Exploring Operation: 50+33=83, Resulting Numbers: [48, 83] Generated Node #0,0,3: 30:[48, 83] Operation: 50+33=83 Moving to Node #0,1 Current State: 30:[50, 51, 3], Operations: ['99/33=3'] Exploring Operation: 50-3=47, Resulting Numbers: [51, 47] Generated Node #0,1,0: 30:[51, 47] Operation: 50-3=47 Exploring Operation: 51-50=1, Resulting Numbers: [3, 1] Generated Node #0,1,1: 30:[3, 1] Operation: 51-50=1 Exploring Operation: 51/3=17, Resulting Numbers: [50, 17] Generated Node #0,1,2: 30:[50, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [50, 48] Generated Node #0,1,3: 30:[50, 48] Operation: 51-3=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[3, 1], Operations: ['99/33=3', '51-50=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[50, 17], Operations: ['99/33=3', '51/3=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,30 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[51, 47], Operations: ['99/33=3', '50-3=47'] Exploring Operation: 51*47=2397, Resulting Numbers: [2397] 2397,30 unequal: No Solution Exploring Operation: 51+47=98, Resulting Numbers: [98] 98,30 unequal: No Solution Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[50, 48], Operations: ['99/33=3', '51-3=48'] Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,30 unequal: No Solution Exploring Operation: 50*48=2400, Resulting Numbers: [2400] 2400,30 unequal: No Solution Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,30 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: 30:[51, 33, 49], Operations: ['99-50=49'] Exploring Operation: 49-33=16, Resulting Numbers: [51, 16] Generated Node #0,2,0: 30:[51, 16] Operation: 49-33=16 Exploring Operation: 51-33=18, Resulting Numbers: [49, 18] Generated Node #0,2,1: 30:[49, 18] Operation: 51-33=18 Exploring Operation: 51+33=84, Resulting Numbers: [49, 84] Generated Node #0,2,2: 30:[49, 84] Operation: 51+33=84 Exploring Operation: 51-49=2, Resulting Numbers: [33, 2] Generated Node #0,2,3: 30:[33, 2] Operation: 51-49=2 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[33, 2], Operations: ['99-50=49', '51-49=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[51, 16], Operations: ['99-50=49', '49-33=16'] Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,30 unequal: No Solution Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[49, 18], Operations: ['99-50=49', '51-33=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,30 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[49, 84], Operations: ['99-50=49', '51+33=84'] Exploring Operation: 49+84=133, Resulting Numbers: [133] 133,30 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 49*84=4116, Resulting Numbers: [4116] 4116,30 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: 30:[99, 33, 1], Operations: ['51-50=1'] Exploring Operation: 33-1=32, Resulting Numbers: [99, 32] Generated Node #0,3,0: 30:[99, 32] Operation: 33-1=32 Exploring Operation: 99-33=66, Resulting Numbers: [1, 66] Generated Node #0,3,1: 30:[1, 66] Operation: 99-33=66 Exploring Operation: 99-1=98, Resulting Numbers: [33, 98] Generated Node #0,3,2: 30:[33, 98] Operation: 99-1=98 Exploring Operation: 99/33=3, Resulting Numbers: [1, 3] Generated Node #0,3,3: 30:[1, 3] Operation: 99/33=3 Moving to Node #0,3,3 Current State: 30:[1, 3], Operations: ['51-50=1', '99/33=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[33, 2], Operations: ['99-51=48', '50-48=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[50, 15], Operations: ['99-51=48', '48-33=15'] Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 50*15=750, Resulting Numbers: [750] 750,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[48, 17], Operations: ['99-51=48', '50-33=17'] Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,30 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[1, 66], Operations: ['51-50=1', '99-33=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 1+66=67, Resulting Numbers: [67] 67,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[99, 32], Operations: ['51-50=1', '33-1=32'] Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,30 unequal: No Solution Exploring Operation: 99*32=3168, Resulting Numbers: [3168] 3168,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[33, 98], Operations: ['51-50=1', '99-1=98'] Exploring Operation: 33*98=3234, Resulting Numbers: [3234] 3234,30 unequal: No Solution Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 33+98=131, Resulting Numbers: [131] 131,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[48, 83], Operations: ['99-51=48', '50+33=83'] Exploring Operation: 48*83=3984, Resulting Numbers: [3984] 3984,30 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 48+83=131, Resulting Numbers: [131] 131,30 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 52, 84, 28, 54 ]
14
[ "54-52=2", "84/2=42", "42-28=14" ]
Current State: 14:[52, 84, 28, 54], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [84, 28, 2] Generated Node #2: [84, 28, 2] from Operation: 54-52=2 Current State: 14:[84, 28, 2], Operations: ['54-52=2'] Exploring Operation: 84/2=42, Resulting Numbers: [28, 42] Generated Node #3: [28, 42] from Operation: 84/2=42 Current State: 14:[28, 42], Operations: ['54-52=2', '84/2=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[52, 84, 28, 54], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [52, 54, 3] Generated Node #0,0: 14:[52, 54, 3] Operation: 84/28=3 Exploring Operation: 84-54=30, Resulting Numbers: [52, 28, 30] Generated Node #0,1: 14:[52, 28, 30] Operation: 84-54=30 Exploring Operation: 84-52=32, Resulting Numbers: [28, 54, 32] Generated Node #0,2: 14:[28, 54, 32] Operation: 84-52=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[52, 28, 30], Operations: ['84-54=30'] Exploring Operation: 52-28=24, Resulting Numbers: [30, 24] Generated Node #0,1,0: 14:[30, 24] Operation: 52-28=24 Exploring Operation: 30-28=2, Resulting Numbers: [52, 2] Generated Node #0,1,1: 14:[52, 2] Operation: 30-28=2 Exploring Operation: 52-30=22, Resulting Numbers: [28, 22] Generated Node #0,1,2: 14:[28, 22] Operation: 52-30=22 Moving to Node #0,1,2 Current State: 14:[28, 22], Operations: ['84-54=30', '52-30=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[30, 24], Operations: ['84-54=30', '52-28=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[52, 2], Operations: ['84-54=30', '30-28=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[28, 54, 32], Operations: ['84-52=32'] Exploring Operation: 32-28=4, Resulting Numbers: [54, 4] Generated Node #0,2,0: 14:[54, 4] Operation: 32-28=4 Exploring Operation: 54-28=26, Resulting Numbers: [32, 26] Generated Node #0,2,1: 14:[32, 26] Operation: 54-28=26 Exploring Operation: 54-32=22, Resulting Numbers: [28, 22] Generated Node #0,2,2: 14:[28, 22] Operation: 54-32=22 Moving to Node #0,2,2 Current State: 14:[28, 22], Operations: ['84-52=32', '54-32=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[32, 26], Operations: ['84-52=32', '54-28=26'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 32*26=832, Resulting Numbers: [832] 832,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[54, 4], Operations: ['84-52=32', '32-28=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[52, 54, 3], Operations: ['84/28=3'] Exploring Operation: 52-3=49, Resulting Numbers: [54, 49] Generated Node #0,0,0: 14:[54, 49] Operation: 52-3=49 Exploring Operation: 54/3=18, Resulting Numbers: [52, 18] Generated Node #0,0,1: 14:[52, 18] Operation: 54/3=18 Exploring Operation: 54-52=2, Resulting Numbers: [3, 2] Generated Node #0,0,2: 14:[3, 2] Operation: 54-52=2 Moving to Node #0,0,2 Current State: 14:[3, 2], Operations: ['84/28=3', '54-52=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[52, 18], Operations: ['84/28=3', '54/3=18'] Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,14 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,14 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[54, 49], Operations: ['84/28=3', '52-3=49'] Exploring Operation: 54+49=103, Resulting Numbers: [103] 103,14 unequal: No Solution Exploring Operation: 54*49=2646, Resulting Numbers: [2646] 2646,14 unequal: No Solution Exploring Operation: 54-49=5, Resulting Numbers: [5] 5,14 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
[ 36, 9, 6, 61 ]
43
[ "36+61=97", "9*6=54", "97-54=43" ]
Current State: 43:[36, 9, 6, 61], Operations: [] Exploring Operation: 36+61=97, Resulting Numbers: [9, 6, 97] Generated Node #2: [9, 6, 97] from Operation: 36+61=97 Current State: 43:[9, 6, 97], Operations: ['36+61=97'] Exploring Operation: 9*6=54, Resulting Numbers: [97, 54] Generated Node #3: [97, 54] from Operation: 9*6=54 Current State: 43:[97, 54], Operations: ['36+61=97', '9*6=54'] Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[36, 9, 6, 61], Operations: [] Exploring Operation: 36+6=42, Resulting Numbers: [9, 61, 42] Generated Node #0,0: 43:[9, 61, 42] Operation: 36+6=42 Exploring Operation: 9*6=54, Resulting Numbers: [36, 61, 54] Generated Node #0,1: 43:[36, 61, 54] Operation: 9*6=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[36, 61, 54], Operations: ['9*6=54'] Exploring Operation: 61-36=25, Resulting Numbers: [54, 25] Generated Node #0,1,0: 43:[54, 25] Operation: 61-36=25 Exploring Operation: 54-36=18, Resulting Numbers: [61, 18] Generated Node #0,1,1: 43:[61, 18] Operation: 54-36=18 Moving to Node #0,1,0 Current State: 43:[54, 25], Operations: ['9*6=54', '61-36=25'] Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[61, 18], Operations: ['9*6=54', '54-36=18'] Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[36, 9, 6, 61], Operations: [] Exploring Operation: 9*6=54, Resulting Numbers: [36, 61, 54] Generated Node #0,1: 43:[36, 61, 54] Operation: 9*6=54 Moving to Node #0,1 Current State: 43:[36, 61, 54], Operations: ['9*6=54'] Exploring Operation: 54-36=18, Resulting Numbers: [61, 18] Generated Node #0,1,1: 43:[61, 18] Operation: 54-36=18 Moving to Node #0,1,1 Current State: 43:[61, 18], Operations: ['9*6=54', '54-36=18'] Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 2, 70, 13, 25 ]
71
[ "2*13=26", "70-25=45", "26+45=71" ]
Current State: 71:[2, 70, 13, 25], Operations: [] Exploring Operation: 2*13=26, Resulting Numbers: [70, 25, 26] Generated Node #2: [70, 25, 26] from Operation: 2*13=26 Current State: 71:[70, 25, 26], Operations: ['2*13=26'] Exploring Operation: 70-25=45, Resulting Numbers: [26, 45] Generated Node #3: [26, 45] from Operation: 70-25=45 Current State: 71:[26, 45], Operations: ['2*13=26', '70-25=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[2, 70, 13, 25], Operations: [] Exploring Operation: 2+25=27, Resulting Numbers: [70, 13, 27] Generated Node #0,0: 71:[70, 13, 27] Operation: 2+25=27 Exploring Operation: 2*13=26, Resulting Numbers: [70, 25, 26] Generated Node #0,1: 71:[70, 25, 26] Operation: 2*13=26 Exploring Operation: 2+13=15, Resulting Numbers: [70, 25, 15] Generated Node #0,2: 71:[70, 25, 15] Operation: 2+13=15 Exploring Operation: 2*25=50, Resulting Numbers: [70, 13, 50] Generated Node #0,3: 71:[70, 13, 50] Operation: 2*25=50 Moving to Node #0,3 Current State: 71:[70, 13, 50], Operations: ['2*25=50'] Exploring Operation: 50-13=37, Resulting Numbers: [70, 37] Generated Node #0,3,0: 71:[70, 37] Operation: 50-13=37 Exploring Operation: 70-13=57, Resulting Numbers: [50, 57] Generated Node #0,3,1: 71:[50, 57] Operation: 70-13=57 Exploring Operation: 13+50=63, Resulting Numbers: [70, 63] Generated Node #0,3,2: 71:[70, 63] Operation: 13+50=63 Exploring Operation: 70+13=83, Resulting Numbers: [50, 83] Generated Node #0,3,3: 71:[50, 83] Operation: 70+13=83 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[70, 63], Operations: ['2*25=50', '13+50=63'] Exploring Operation: 70+63=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 70*63=4410, Resulting Numbers: [4410] 4410,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[50, 83], Operations: ['2*25=50', '70+13=83'] Exploring Operation: 50+83=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 50*83=4150, Resulting Numbers: [4150] 4150,71 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[70, 37], Operations: ['2*25=50', '50-13=37'] Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 70+37=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 70*37=2590, Resulting Numbers: [2590] 2590,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[50, 57], Operations: ['2*25=50', '70-13=57'] Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 50*57=2850, Resulting Numbers: [2850] 2850,71 unequal: No Solution Exploring Operation: 50+57=107, Resulting Numbers: [107] 107,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 71:[70, 25, 26], Operations: ['2*13=26'] Exploring Operation: 70+25=95, Resulting Numbers: [26, 95] Generated Node #0,1,0: 71:[26, 95] Operation: 70+25=95 Exploring Operation: 25+26=51, Resulting Numbers: [70, 51] Generated Node #0,1,1: 71:[70, 51] Operation: 25+26=51 Exploring Operation: 70-25=45, Resulting Numbers: [26, 45] Generated Node #0,1,2: 71:[26, 45] Operation: 70-25=45 Exploring Operation: 70+26=96, Resulting Numbers: [25, 96] Generated Node #0,1,3: 71:[25, 96] Operation: 70+26=96 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[70, 51], Operations: ['2*13=26', '25+26=51'] Exploring Operation: 70+51=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 70*51=3570, Resulting Numbers: [3570] 3570,71 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[26, 95], Operations: ['2*13=26', '70+25=95'] Exploring Operation: 26*95=2470, Resulting Numbers: [2470] 2470,71 unequal: No Solution Exploring Operation: 26+95=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[26, 45], Operations: ['2*13=26', '70-25=45'] Exploring Operation: 26*45=1170, Resulting Numbers: [1170] 1170,71 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[2, 70, 13, 25], Operations: [] Exploring Operation: 2*13=26, Resulting Numbers: [70, 25, 26] Generated Node #0,1: 71:[70, 25, 26] Operation: 2*13=26 Moving to Node #0,1 Current State: 71:[70, 25, 26], Operations: ['2*13=26'] Exploring Operation: 70-25=45, Resulting Numbers: [26, 45] Generated Node #0,1,2: 71:[26, 45] Operation: 70-25=45 Moving to Node #0,1,2 Current State: 71:[26, 45], Operations: ['2*13=26', '70-25=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 76, 8, 3, 1 ]
74
[ "3+1=4", "8/4=2", "76-2=74" ]
Current State: 74:[76, 8, 3, 1], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [76, 8, 4] Generated Node #2: [76, 8, 4] from Operation: 3+1=4 Current State: 74:[76, 8, 4], Operations: ['3+1=4'] Exploring Operation: 8/4=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 8/4=2 Current State: 74:[76, 2], Operations: ['3+1=4', '8/4=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[76, 8, 3, 1], Operations: [] Exploring Operation: 8-1=7, Resulting Numbers: [76, 3, 7] Generated Node #0,0: 74:[76, 3, 7] Operation: 8-1=7 Exploring Operation: 76-8=68, Resulting Numbers: [3, 1, 68] Generated Node #0,1: 74:[3, 1, 68] Operation: 76-8=68 Exploring Operation: 76-3=73, Resulting Numbers: [8, 1, 73] Generated Node #0,2: 74:[8, 1, 73] Operation: 76-3=73 Exploring Operation: 76-1=75, Resulting Numbers: [8, 3, 75] Generated Node #0,3: 74:[8, 3, 75] Operation: 76-1=75 Exploring Operation: 8-3=5, Resulting Numbers: [76, 1, 5] Generated Node #0,4: 74:[76, 1, 5] Operation: 8-3=5 Moving to Node #0,4 Current State: 74:[76, 1, 5], Operations: ['8-3=5'] Exploring Operation: 76-5=71, Resulting Numbers: [1, 71] Generated Node #0,4,0: 74:[1, 71] Operation: 76-5=71 Exploring Operation: 76*1=76, Resulting Numbers: [5, 76] Generated Node #0,4,1: 74:[5, 76] Operation: 76*1=76 Exploring Operation: 76/1=76, Resulting Numbers: [5, 76] Generated Node #0,4,2: 74:[5, 76] Operation: 76/1=76 Exploring Operation: 76-1=75, Resulting Numbers: [5, 75] Generated Node #0,4,3: 74:[5, 75] Operation: 76-1=75 Exploring Operation: 5-1=4, Resulting Numbers: [76, 4] Generated Node #0,4,4: 74:[76, 4] Operation: 5-1=4 Moving to Node #0,1 Current State: 74:[3, 1, 68], Operations: ['76-8=68'] Exploring Operation: 3*1=3, Resulting Numbers: [68, 3] Generated Node #0,1,0: 74:[68, 3] Operation: 3*1=3 Exploring Operation: 3/1=3, Resulting Numbers: [68, 3] Generated Node #0,1,1: 74:[68, 3] Operation: 3/1=3 Exploring Operation: 3+68=71, Resulting Numbers: [1, 71] Generated Node #0,1,2: 74:[1, 71] Operation: 3+68=71 Exploring Operation: 3-1=2, Resulting Numbers: [68, 2] Generated Node #0,1,3: 74:[68, 2] Operation: 3-1=2 Exploring Operation: 1+68=69, Resulting Numbers: [3, 69] Generated Node #0,1,4: 74:[3, 69] Operation: 1+68=69 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[1, 71], Operations: ['76-8=68', '3+68=71'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 1*71=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 74:[68, 2], Operations: ['76-8=68', '3-1=2'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 74:[3, 69], Operations: ['76-8=68', '1+68=69'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 3*69=207, Resulting Numbers: [207] 207,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[68, 3], Operations: ['76-8=68', '3*1=3'] Exploring Operation: 68+3=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 68*3=204, Resulting Numbers: [204] 204,74 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[68, 3], Operations: ['76-8=68', '3/1=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 68+3=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 68*3=204, Resulting Numbers: [204] 204,74 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: 74:[8, 3, 75], Operations: ['76-1=75'] Exploring Operation: 8+3=11, Resulting Numbers: [75, 11] Generated Node #0,3,0: 74:[75, 11] Operation: 8+3=11 Exploring Operation: 75-3=72, Resulting Numbers: [8, 72] Generated Node #0,3,1: 74:[8, 72] Operation: 75-3=72 Exploring Operation: 8-3=5, Resulting Numbers: [75, 5] Generated Node #0,3,2: 74:[75, 5] Operation: 8-3=5 Exploring Operation: 8+75=83, Resulting Numbers: [3, 83] Generated Node #0,3,3: 74:[3, 83] Operation: 8+75=83 Exploring Operation: 75-8=67, Resulting Numbers: [3, 67] Generated Node #0,3,4: 74:[3, 67] Operation: 75-8=67 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 74:[75, 5], Operations: ['76-1=75', '8-3=5'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,74 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 74:[8, 72], Operations: ['76-1=75', '75-3=72'] Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,74 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 74:[3, 67], Operations: ['76-1=75', '75-8=67'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,74 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 74:[75, 11], Operations: ['76-1=75', '8+3=11'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,74 unequal: No Solution Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 75*11=825, Resulting Numbers: [825] 825,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 74:[3, 83], Operations: ['76-1=75', '8+75=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,74 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: 74:[76, 3, 7], Operations: ['8-1=7'] Exploring Operation: 7-3=4, Resulting Numbers: [76, 4] Generated Node #0,0,0: 74:[76, 4] Operation: 7-3=4 Exploring Operation: 76+3=79, Resulting Numbers: [7, 79] Generated Node #0,0,1: 74:[7, 79] Operation: 76+3=79 Exploring Operation: 76-7=69, Resulting Numbers: [3, 69] Generated Node #0,0,2: 74:[3, 69] Operation: 76-7=69 Exploring Operation: 76+7=83, Resulting Numbers: [3, 83] Generated Node #0,0,3: 74:[3, 83] Operation: 76+7=83 Exploring Operation: 76-3=73, Resulting Numbers: [7, 73] Generated Node #0,0,4: 74:[7, 73] Operation: 76-3=73 Moving to Node #0,2 Current State: 74:[8, 1, 73], Operations: ['76-3=73'] Exploring Operation: 8-1=7, Resulting Numbers: [73, 7] Generated Node #0,2,0: 74:[73, 7] Operation: 8-1=7 Exploring Operation: 8/1=8, Resulting Numbers: [73, 8] Generated Node #0,2,1: 74:[73, 8] Operation: 8/1=8 Exploring Operation: 8*1=8, Resulting Numbers: [73, 8] Generated Node #0,2,2: 74:[73, 8] Operation: 8*1=8 Exploring Operation: 1+73=74, Resulting Numbers: [8, 74] Generated Node #0,2,3: 74:[8, 74] Operation: 1+73=74 Exploring Operation: 1*73=73, Resulting Numbers: [8, 73] Generated Node #0,2,4: 74:[8, 73] Operation: 1*73=73 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[73, 7], Operations: ['76-3=73', '8-1=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,74 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 74:[8, 74], Operations: ['76-3=73', '1+73=74'] Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,74 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[73, 8], Operations: ['76-3=73', '8/1=8'] Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,74 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,74 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[73, 8], Operations: ['76-3=73', '8*1=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,74 unequal: No Solution Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 74:[8, 73], Operations: ['76-3=73', '1*73=73'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 8+73=81, Resulting Numbers: [81] 81,74 unequal: No Solution Exploring Operation: 8*73=584, Resulting Numbers: [584] 584,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 74:[1, 71], Operations: ['8-3=5', '76-5=71'] Exploring Operation: 1*71=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[76, 4], Operations: ['8-3=5', '5-1=4'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[76, 4], Operations: ['8-1=7', '7-3=4'] Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,74 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[5, 75], Operations: ['8-3=5', '76-1=75'] Exploring Operation: 5*75=375, Resulting Numbers: [375] 375,74 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 5+75=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[5, 76], Operations: ['8-3=5', '76/1=76'] Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,74 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[5, 76], Operations: ['8-3=5', '76*1=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,74 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[3, 69], Operations: ['8-1=7', '76-7=69'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 3*69=207, Resulting Numbers: [207] 207,74 unequal: No Solution Moving to Node #0,0,4 Current State: 74:[7, 73], Operations: ['8-1=7', '76-3=73'] Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 7*73=511, Resulting Numbers: [511] 511,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[7, 79], Operations: ['8-1=7', '76+3=79'] Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,74 unequal: No Solution Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[3, 83], Operations: ['8-1=7', '76+7=83'] Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,74 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,74 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 7, 93, 99, 60 ]
18
[ "99-93=6", "7*6=42", "60-42=18" ]
Current State: 18:[7, 93, 99, 60], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [7, 60, 6] Generated Node #2: [7, 60, 6] from Operation: 99-93=6 Current State: 18:[7, 60, 6], Operations: ['99-93=6'] Exploring Operation: 7*6=42, Resulting Numbers: [60, 42] Generated Node #3: [60, 42] from Operation: 7*6=42 Current State: 18:[60, 42], Operations: ['99-93=6', '7*6=42'] Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[7, 93, 99, 60], Operations: [] Exploring Operation: 93-60=33, Resulting Numbers: [7, 99, 33] Generated Node #0,0: 18:[7, 99, 33] Operation: 93-60=33 Exploring Operation: 99-7=92, Resulting Numbers: [93, 60, 92] Generated Node #0,1: 18:[93, 60, 92] Operation: 99-7=92 Exploring Operation: 99-93=6, Resulting Numbers: [7, 60, 6] Generated Node #0,2: 18:[7, 60, 6] Operation: 99-93=6 Exploring Operation: 93-7=86, Resulting Numbers: [99, 60, 86] Generated Node #0,3: 18:[99, 60, 86] Operation: 93-7=86 Exploring Operation: 99-60=39, Resulting Numbers: [7, 93, 39] Generated Node #0,4: 18:[7, 93, 39] Operation: 99-60=39 Moving to Node #0,2 Current State: 18:[7, 60, 6], Operations: ['99-93=6'] Exploring Operation: 7-6=1, Resulting Numbers: [60, 1] Generated Node #0,2,0: 18:[60, 1] Operation: 7-6=1 Exploring Operation: 60-6=54, Resulting Numbers: [7, 54] Generated Node #0,2,1: 18:[7, 54] Operation: 60-6=54 Exploring Operation: 7+6=13, Resulting Numbers: [60, 13] Generated Node #0,2,2: 18:[60, 13] Operation: 7+6=13 Exploring Operation: 60-7=53, Resulting Numbers: [6, 53] Generated Node #0,2,3: 18:[6, 53] Operation: 60-7=53 Exploring Operation: 60/6=10, Resulting Numbers: [7, 10] Generated Node #0,2,4: 18:[7, 10] Operation: 60/6=10 Moving to Node #0,4 Current State: 18:[7, 93, 39], Operations: ['99-60=39'] Exploring Operation: 93-7=86, Resulting Numbers: [39, 86] Generated Node #0,4,0: 18:[39, 86] Operation: 93-7=86 Exploring Operation: 7+93=100, Resulting Numbers: [39, 100] Generated Node #0,4,1: 18:[39, 100] Operation: 7+93=100 Exploring Operation: 93-39=54, Resulting Numbers: [7, 54] Generated Node #0,4,2: 18:[7, 54] Operation: 93-39=54 Exploring Operation: 39-7=32, Resulting Numbers: [93, 32] Generated Node #0,4,3: 18:[93, 32] Operation: 39-7=32 Exploring Operation: 7+39=46, Resulting Numbers: [93, 46] Generated Node #0,4,4: 18:[93, 46] Operation: 7+39=46 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 18:[7, 54], Operations: ['99-60=39', '93-39=54'] Exploring Operation: 7*54=378, Resulting Numbers: [378] 378,18 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 18:[39, 86], Operations: ['99-60=39', '93-7=86'] Exploring Operation: 39*86=3354, Resulting Numbers: [3354] 3354,18 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 39+86=125, Resulting Numbers: [125] 125,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 18:[93, 32], Operations: ['99-60=39', '39-7=32'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 93*32=2976, Resulting Numbers: [2976] 2976,18 unequal: No Solution Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 18:[39, 100], Operations: ['99-60=39', '7+93=100'] Exploring Operation: 39+100=139, Resulting Numbers: [139] 139,18 unequal: No Solution Exploring Operation: 100-39=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 39*100=3900, Resulting Numbers: [3900] 3900,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 18:[93, 46], Operations: ['99-60=39', '7+39=46'] Exploring Operation: 93+46=139, Resulting Numbers: [139] 139,18 unequal: No Solution Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 93*46=4278, Resulting Numbers: [4278] 4278,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 18:[7, 99, 33], Operations: ['93-60=33'] Exploring Operation: 33-7=26, Resulting Numbers: [99, 26] Generated Node #0,0,0: 18:[99, 26] Operation: 33-7=26 Exploring Operation: 99-7=92, Resulting Numbers: [33, 92] Generated Node #0,0,1: 18:[33, 92] Operation: 99-7=92 Exploring Operation: 7+99=106, Resulting Numbers: [33, 106] Generated Node #0,0,2: 18:[33, 106] Operation: 7+99=106 Exploring Operation: 99/33=3, Resulting Numbers: [7, 3] Generated Node #0,0,3: 18:[7, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [7, 66] Generated Node #0,0,4: 18:[7, 66] Operation: 99-33=66 Moving to Node #0,1 Current State: 18:[93, 60, 92], Operations: ['99-7=92'] Exploring Operation: 93-92=1, Resulting Numbers: [60, 1] Generated Node #0,1,0: 18:[60, 1] Operation: 93-92=1 Exploring Operation: 93+92=185, Resulting Numbers: [60, 185] Generated Node #0,1,1: 18:[60, 185] Operation: 93+92=185 Exploring Operation: 92-60=32, Resulting Numbers: [93, 32] Generated Node #0,1,2: 18:[93, 32] Operation: 92-60=32 Exploring Operation: 93+60=153, Resulting Numbers: [92, 153] Generated Node #0,1,3: 18:[92, 153] Operation: 93+60=153 Exploring Operation: 93-60=33, Resulting Numbers: [92, 33] Generated Node #0,1,4: 18:[92, 33] Operation: 93-60=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[60, 1], Operations: ['99-7=92', '93-92=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,18 unequal: No Solution Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[93, 32], Operations: ['99-7=92', '92-60=32'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 93*32=2976, Resulting Numbers: [2976] 2976,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 18:[92, 33], Operations: ['99-7=92', '93-60=33'] Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,18 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,18 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[60, 185], Operations: ['99-7=92', '93+92=185'] Exploring Operation: 60*185=11100, Resulting Numbers: [11100] 11100,18 unequal: No Solution Exploring Operation: 185-60=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 60+185=245, Resulting Numbers: [245] 245,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 18:[92, 153], Operations: ['99-7=92', '93+60=153'] Exploring Operation: 92+153=245, Resulting Numbers: [245] 245,18 unequal: No Solution Exploring Operation: 153-92=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 92*153=14076, Resulting Numbers: [14076] 14076,18 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: 18:[99, 60, 86], Operations: ['93-7=86'] Exploring Operation: 99+60=159, Resulting Numbers: [86, 159] Generated Node #0,3,0: 18:[86, 159] Operation: 99+60=159 Exploring Operation: 99-86=13, Resulting Numbers: [60, 13] Generated Node #0,3,1: 18:[60, 13] Operation: 99-86=13 Exploring Operation: 99-60=39, Resulting Numbers: [86, 39] Generated Node #0,3,2: 18:[86, 39] Operation: 99-60=39 Exploring Operation: 86-60=26, Resulting Numbers: [99, 26] Generated Node #0,3,3: 18:[99, 26] Operation: 86-60=26 Exploring Operation: 99+86=185, Resulting Numbers: [60, 185] Generated Node #0,3,4: 18:[60, 185] Operation: 99+86=185 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[60, 13], Operations: ['93-7=86', '99-86=13'] Exploring Operation: 60*13=780, Resulting Numbers: [780] 780,18 unequal: No Solution Exploring Operation: 60+13=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[86, 39], Operations: ['93-7=86', '99-60=39'] Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,18 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[99, 26], Operations: ['93-7=86', '86-60=26'] Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[86, 159], Operations: ['93-7=86', '99+60=159'] Exploring Operation: 86*159=13674, Resulting Numbers: [13674] 13674,18 unequal: No Solution Exploring Operation: 86+159=245, Resulting Numbers: [245] 245,18 unequal: No Solution Exploring Operation: 159-86=73, Resulting Numbers: [73] 73,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[60, 185], Operations: ['93-7=86', '99+86=185'] Exploring Operation: 60+185=245, Resulting Numbers: [245] 245,18 unequal: No Solution Exploring Operation: 185-60=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 60*185=11100, Resulting Numbers: [11100] 11100,18 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: 18:[7, 3], Operations: ['93-60=33', '99/33=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[7, 10], Operations: ['99-93=6', '60/6=10'] Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[6, 53], Operations: ['99-93=6', '60-7=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 6*53=318, Resulting Numbers: [318] 318,18 unequal: No Solution Exploring Operation: 6+53=59, Resulting Numbers: [59] 59,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[7, 54], Operations: ['99-93=6', '60-6=54'] Exploring Operation: 7*54=378, Resulting Numbers: [378] 378,18 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[60, 1], Operations: ['99-93=6', '7-6=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[60, 13], Operations: ['99-93=6', '7+6=13'] Exploring Operation: 60+13=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 60*13=780, Resulting Numbers: [780] 780,18 unequal: No Solution Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,18 unequal: No Solution Moving to Node #0,0,4 Current State: 18:[7, 66], Operations: ['93-60=33', '99-33=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,18 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[33, 92], Operations: ['93-60=33', '99-7=92'] Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,18 unequal: No Solution Exploring Operation: 33*92=3036, Resulting Numbers: [3036] 3036,18 unequal: No Solution Exploring Operation: 33+92=125, Resulting Numbers: [125] 125,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[99, 26], Operations: ['93-60=33', '33-7=26'] Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,18 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[33, 106], Operations: ['93-60=33', '7+99=106'] Exploring Operation: 106-33=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 33*106=3498, Resulting Numbers: [3498] 3498,18 unequal: No Solution Exploring Operation: 33+106=139, Resulting Numbers: [139] 139,18 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 2, 86, 72, 5 ]
10
[ "72/2=36", "86-36=50", "50/5=10" ]
Current State: 10:[2, 86, 72, 5], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [86, 5, 36] Generated Node #2: [86, 5, 36] from Operation: 72/2=36 Current State: 10:[86, 5, 36], Operations: ['72/2=36'] Exploring Operation: 86-36=50, Resulting Numbers: [5, 50] Generated Node #3: [5, 50] from Operation: 86-36=50 Current State: 10:[5, 50], Operations: ['72/2=36', '86-36=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[2, 86, 72, 5], Operations: [] Exploring Operation: 86-5=81, Resulting Numbers: [2, 72, 81] Generated Node #0,0: 10:[2, 72, 81] Operation: 86-5=81 Exploring Operation: 86-72=14, Resulting Numbers: [2, 5, 14] Generated Node #0,1: 10:[2, 5, 14] Operation: 86-72=14 Exploring Operation: 86/2=43, Resulting Numbers: [72, 5, 43] Generated Node #0,2: 10:[72, 5, 43] Operation: 86/2=43 Exploring Operation: 72/2=36, Resulting Numbers: [86, 5, 36] Generated Node #0,3: 10:[86, 5, 36] Operation: 72/2=36 Moving to Node #0,1 Current State: 10:[2, 5, 14], Operations: ['86-72=14'] Exploring Operation: 2*5=10, Resulting Numbers: [14, 10] Generated Node #0,1,0: 10:[14, 10] Operation: 2*5=10 Exploring Operation: 14-2=12, Resulting Numbers: [5, 12] Generated Node #0,1,1: 10:[5, 12] Operation: 14-2=12 Exploring Operation: 14-5=9, Resulting Numbers: [2, 9] Generated Node #0,1,2: 10:[2, 9] Operation: 14-5=9 Exploring Operation: 14/2=7, Resulting Numbers: [5, 7] Generated Node #0,1,3: 10:[5, 7] Operation: 14/2=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[2, 9], Operations: ['86-72=14', '14-5=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 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 #0,1,1 Current State: 10:[5, 12], Operations: ['86-72=14', '14-2=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,10 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 #0,1,3 Current State: 10:[5, 7], Operations: ['86-72=14', '14/2=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,10 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 #0,1,0 Current State: 10:[14, 10], Operations: ['86-72=14', '2*5=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,10 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:[72, 5, 43], Operations: ['86/2=43'] Exploring Operation: 72+5=77, Resulting Numbers: [43, 77] Generated Node #0,2,0: 10:[43, 77] Operation: 72+5=77 Exploring Operation: 43-5=38, Resulting Numbers: [72, 38] Generated Node #0,2,1: 10:[72, 38] Operation: 43-5=38 Exploring Operation: 72-43=29, Resulting Numbers: [5, 29] Generated Node #0,2,2: 10:[5, 29] Operation: 72-43=29 Exploring Operation: 72-5=67, Resulting Numbers: [43, 67] Generated Node #0,2,3: 10:[43, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[5, 29], Operations: ['86/2=43', '72-43=29'] Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,10 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,10 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 #0,2,1 Current State: 10:[72, 38], Operations: ['86/2=43', '43-5=38'] Exploring Operation: 72*38=2736, Resulting Numbers: [2736] 2736,10 unequal: No Solution Exploring Operation: 72+38=110, Resulting Numbers: [110] 110,10 unequal: No Solution Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,10 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 #0,2,3 Current State: 10:[43, 67], Operations: ['86/2=43', '72-5=67'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 43*67=2881, Resulting Numbers: [2881] 2881,10 unequal: No Solution Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,10 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 #0,2,0 Current State: 10:[43, 77], Operations: ['86/2=43', '72+5=77'] Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,10 unequal: No Solution Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,10 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: 10:[86, 5, 36], Operations: ['72/2=36'] Exploring Operation: 36-5=31, Resulting Numbers: [86, 31] Generated Node #0,3,0: 10:[86, 31] Operation: 36-5=31 Exploring Operation: 86-5=81, Resulting Numbers: [36, 81] Generated Node #0,3,1: 10:[36, 81] Operation: 86-5=81 Exploring Operation: 86+5=91, Resulting Numbers: [36, 91] Generated Node #0,3,2: 10:[36, 91] Operation: 86+5=91 Exploring Operation: 86-36=50, Resulting Numbers: [5, 50] Generated Node #0,3,3: 10:[5, 50] Operation: 86-36=50 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[5, 50], Operations: ['72/2=36', '86-36=50'] Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,10 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[2, 86, 72, 5], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [86, 5, 36] Generated Node #0,3: 10:[86, 5, 36] Operation: 72/2=36 Moving to Node #0,3 Current State: 10:[86, 5, 36], Operations: ['72/2=36'] Exploring Operation: 86-36=50, Resulting Numbers: [5, 50] Generated Node #0,3,3: 10:[5, 50] Operation: 86-36=50 Moving to Node #0,3,3 Current State: 10:[5, 50], Operations: ['72/2=36', '86-36=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 7, 73, 91, 80 ]
14
[ "7+91=98", "80-73=7", "98/7=14" ]
Current State: 14:[7, 73, 91, 80], Operations: [] Exploring Operation: 7+91=98, Resulting Numbers: [73, 80, 98] Generated Node #2: [73, 80, 98] from Operation: 7+91=98 Current State: 14:[73, 80, 98], Operations: ['7+91=98'] Exploring Operation: 80-73=7, Resulting Numbers: [98, 7] Generated Node #3: [98, 7] from Operation: 80-73=7 Current State: 14:[98, 7], Operations: ['7+91=98', '80-73=7'] Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[7, 73, 91, 80], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [7, 73, 11] Generated Node #0,0: 14:[7, 73, 11] Operation: 91-80=11 Moving to Node #0,0 Current State: 14:[7, 73, 11], Operations: ['91-80=11'] Exploring Operation: 73-11=62, Resulting Numbers: [7, 62] Generated Node #0,0,0: 14:[7, 62] Operation: 73-11=62 Moving to Node #0,0,0 Current State: 14:[7, 62], Operations: ['91-80=11', '73-11=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,14 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 4, 86, 65, 60 ]
43
[ "86-4=82", "65+60=125", "125-82=43" ]
Current State: 43:[4, 86, 65, 60], Operations: [] Exploring Operation: 86-4=82, Resulting Numbers: [65, 60, 82] Generated Node #2: [65, 60, 82] from Operation: 86-4=82 Current State: 43:[65, 60, 82], Operations: ['86-4=82'] Exploring Operation: 65+60=125, Resulting Numbers: [82, 125] Generated Node #3: [82, 125] from Operation: 65+60=125 Current State: 43:[82, 125], Operations: ['86-4=82', '65+60=125'] Exploring Operation: 125-82=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[4, 86, 65, 60], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [4, 60, 21] Generated Node #0,0: 43:[4, 60, 21] Operation: 86-65=21 Exploring Operation: 65-4=61, Resulting Numbers: [86, 60, 61] Generated Node #0,1: 43:[86, 60, 61] Operation: 65-4=61 Exploring Operation: 60-4=56, Resulting Numbers: [86, 65, 56] Generated Node #0,2: 43:[86, 65, 56] Operation: 60-4=56 Exploring Operation: 86-60=26, Resulting Numbers: [4, 65, 26] Generated Node #0,3: 43:[4, 65, 26] Operation: 86-60=26 Exploring Operation: 86-4=82, Resulting Numbers: [65, 60, 82] Generated Node #0,4: 43:[65, 60, 82] Operation: 86-4=82 Moving to Node #0,0 Current State: 43:[4, 60, 21], Operations: ['86-65=21'] Exploring Operation: 21-4=17, Resulting Numbers: [60, 17] Generated Node #0,0,0: 43:[60, 17] Operation: 21-4=17 Exploring Operation: 60-4=56, Resulting Numbers: [21, 56] Generated Node #0,0,1: 43:[21, 56] Operation: 60-4=56 Exploring Operation: 4+60=64, Resulting Numbers: [21, 64] Generated Node #0,0,2: 43:[21, 64] Operation: 4+60=64 Exploring Operation: 60-21=39, Resulting Numbers: [4, 39] Generated Node #0,0,3: 43:[4, 39] Operation: 60-21=39 Exploring Operation: 4+21=25, Resulting Numbers: [60, 25] Generated Node #0,0,4: 43:[60, 25] Operation: 4+21=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[21, 56], Operations: ['86-65=21', '60-4=56'] Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 21*56=1176, Resulting Numbers: [1176] 1176,43 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 43:[60, 25], Operations: ['86-65=21', '4+21=25'] Exploring Operation: 60*25=1500, Resulting Numbers: [1500] 1500,43 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 60+25=85, Resulting Numbers: [85] 85,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[60, 17], Operations: ['86-65=21', '21-4=17'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[4, 86, 65, 60], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [4, 60, 21] Generated Node #0,0: 43:[4, 60, 21] Operation: 86-65=21 Moving to Node #0,0 Current State: 43:[4, 60, 21], Operations: ['86-65=21'] Exploring Operation: 21-4=17, Resulting Numbers: [60, 17] Generated Node #0,0,0: 43:[60, 17] Operation: 21-4=17 Moving to Node #0,0,0 Current State: 43:[60, 17], Operations: ['86-65=21', '21-4=17'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 60, 66, 19, 97 ]
84
[ "66-60=6", "97-19=78", "6+78=84" ]
Current State: 84:[60, 66, 19, 97], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [19, 97, 6] Generated Node #2: [19, 97, 6] from Operation: 66-60=6 Current State: 84:[19, 97, 6], Operations: ['66-60=6'] Exploring Operation: 97-19=78, Resulting Numbers: [6, 78] Generated Node #3: [6, 78] from Operation: 97-19=78 Current State: 84:[6, 78], Operations: ['66-60=6', '97-19=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[60, 66, 19, 97], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [60, 19, 31] Generated Node #0,0: 84:[60, 19, 31] Operation: 97-66=31 Exploring Operation: 66-60=6, Resulting Numbers: [19, 97, 6] Generated Node #0,1: 84:[19, 97, 6] Operation: 66-60=6 Moving to Node #0,1 Current State: 84:[19, 97, 6], Operations: ['66-60=6'] Exploring Operation: 97-6=91, Resulting Numbers: [19, 91] Generated Node #0,1,0: 84:[19, 91] Operation: 97-6=91 Exploring Operation: 97-19=78, Resulting Numbers: [6, 78] Generated Node #0,1,1: 84:[6, 78] Operation: 97-19=78 Moving to Node #0,0 Current State: 84:[60, 19, 31], Operations: ['97-66=31'] Exploring Operation: 60-31=29, Resulting Numbers: [19, 29] Generated Node #0,0,0: 84:[19, 29] Operation: 60-31=29 Exploring Operation: 60-19=41, Resulting Numbers: [31, 41] Generated Node #0,0,1: 84:[31, 41] Operation: 60-19=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[19, 29], Operations: ['97-66=31', '60-31=29'] Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,84 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[31, 41], Operations: ['97-66=31', '60-19=41'] Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,84 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: 84:[6, 78], Operations: ['66-60=6', '97-19=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[60, 66, 19, 97], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [19, 97, 6] Generated Node #0,1: 84:[19, 97, 6] Operation: 66-60=6 Moving to Node #0,1 Current State: 84:[19, 97, 6], Operations: ['66-60=6'] Exploring Operation: 97-19=78, Resulting Numbers: [6, 78] Generated Node #0,1,1: 84:[6, 78] Operation: 97-19=78 Moving to Node #0,1,1 Current State: 84:[6, 78], Operations: ['66-60=6', '97-19=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 22, 85, 40, 20 ]
74
[ "22*20=440", "440/40=11", "85-11=74" ]
Current State: 74:[22, 85, 40, 20], Operations: [] Exploring Operation: 22*20=440, Resulting Numbers: [85, 40, 440] Generated Node #2: [85, 40, 440] from Operation: 22*20=440 Current State: 74:[85, 40, 440], Operations: ['22*20=440'] Exploring Operation: 440/40=11, Resulting Numbers: [85, 11] Generated Node #3: [85, 11] from Operation: 440/40=11 Current State: 74:[85, 11], Operations: ['22*20=440', '440/40=11'] Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[22, 85, 40, 20], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [85, 40, 2] Generated Node #0,0: 74:[85, 40, 2] Operation: 22-20=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[85, 40, 2], Operations: ['22-20=2'] Exploring Operation: 85-40=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 74:[2, 45] Operation: 85-40=45 Moving to Node #0,0,0 Current State: 74:[2, 45], Operations: ['22-20=2', '85-40=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 23, 8, 5, 83 ]
61
[ "23-5=18", "8*18=144", "144-83=61" ]
Current State: 61:[23, 8, 5, 83], Operations: [] Exploring Operation: 23-5=18, Resulting Numbers: [8, 83, 18] Generated Node #2: [8, 83, 18] from Operation: 23-5=18 Current State: 61:[8, 83, 18], Operations: ['23-5=18'] Exploring Operation: 8*18=144, Resulting Numbers: [83, 144] Generated Node #3: [83, 144] from Operation: 8*18=144 Current State: 61:[83, 144], Operations: ['23-5=18', '8*18=144'] Exploring Operation: 144-83=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[23, 8, 5, 83], Operations: [] Exploring Operation: 83-8=75, Resulting Numbers: [23, 5, 75] Generated Node #0,0: 61:[23, 5, 75] Operation: 83-8=75 Exploring Operation: 23+5=28, Resulting Numbers: [8, 83, 28] Generated Node #0,1: 61:[8, 83, 28] Operation: 23+5=28 Exploring Operation: 8*5=40, Resulting Numbers: [23, 83, 40] Generated Node #0,2: 61:[23, 83, 40] Operation: 8*5=40 Exploring Operation: 8+5=13, Resulting Numbers: [23, 83, 13] Generated Node #0,3: 61:[23, 83, 13] Operation: 8+5=13 Exploring Operation: 23+8=31, Resulting Numbers: [5, 83, 31] Generated Node #0,4: 61:[5, 83, 31] Operation: 23+8=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[23, 83, 40], Operations: ['8*5=40'] Exploring Operation: 83-23=60, Resulting Numbers: [40, 60] Generated Node #0,2,0: 61:[40, 60] Operation: 83-23=60 Exploring Operation: 23+40=63, Resulting Numbers: [83, 63] Generated Node #0,2,1: 61:[83, 63] Operation: 23+40=63 Exploring Operation: 83-40=43, Resulting Numbers: [23, 43] Generated Node #0,2,2: 61:[23, 43] Operation: 83-40=43 Exploring Operation: 40-23=17, Resulting Numbers: [83, 17] Generated Node #0,2,3: 61:[83, 17] Operation: 40-23=17 Exploring Operation: 23+83=106, Resulting Numbers: [40, 106] Generated Node #0,2,4: 61:[40, 106] Operation: 23+83=106 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[40, 60], Operations: ['8*5=40', '83-23=60'] Exploring Operation: 40*60=2400, Resulting Numbers: [2400] 2400,61 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 40+60=100, Resulting Numbers: [100] 100,61 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:[83, 63], Operations: ['8*5=40', '23+40=63'] Exploring Operation: 83+63=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 83-63=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 83*63=5229, Resulting Numbers: [5229] 5229,61 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:[23, 43], Operations: ['8*5=40', '83-40=43'] Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,61 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,61 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 #0,2,3 Current State: 61:[83, 17], Operations: ['8*5=40', '40-23=17'] Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,61 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 #0,2,4 Current State: 61:[40, 106], Operations: ['8*5=40', '23+83=106'] Exploring Operation: 40*106=4240, Resulting Numbers: [4240] 4240,61 unequal: No Solution Exploring Operation: 40+106=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 106-40=66, Resulting Numbers: [66] 66,61 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 #0,0 Current State: 61:[23, 5, 75], Operations: ['83-8=75'] Exploring Operation: 5+75=80, Resulting Numbers: [23, 80] Generated Node #0,0,0: 61:[23, 80] Operation: 5+75=80 Exploring Operation: 75-23=52, Resulting Numbers: [5, 52] Generated Node #0,0,1: 61:[5, 52] Operation: 75-23=52 Exploring Operation: 23+5=28, Resulting Numbers: [75, 28] Generated Node #0,0,2: 61:[75, 28] Operation: 23+5=28 Exploring Operation: 23-5=18, Resulting Numbers: [75, 18] Generated Node #0,0,3: 61:[75, 18] Operation: 23-5=18 Exploring Operation: 75-5=70, Resulting Numbers: [23, 70] Generated Node #0,0,4: 61:[23, 70] Operation: 75-5=70 Moving to Node #0,0,2 Current State: 61:[75, 28], Operations: ['83-8=75', '23+5=28'] Exploring Operation: 75+28=103, Resulting Numbers: [103] 103,61 unequal: No Solution Exploring Operation: 75*28=2100, Resulting Numbers: [2100] 2100,61 unequal: No Solution Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[23, 70], Operations: ['83-8=75', '75-5=70'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 23+70=93, Resulting Numbers: [93] 93,61 unequal: No Solution Exploring Operation: 23*70=1610, Resulting Numbers: [1610] 1610,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[23, 80], Operations: ['83-8=75', '5+75=80'] Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,61 unequal: No Solution Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,61 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[75, 18], Operations: ['83-8=75', '23-5=18'] Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,61 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,61 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[5, 52], Operations: ['83-8=75', '75-23=52'] Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,61 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,61 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 Current State: 61:[8, 83, 28], Operations: ['23+5=28'] Exploring Operation: 8+83=91, Resulting Numbers: [28, 91] Generated Node #0,1,0: 61:[28, 91] Operation: 8+83=91 Exploring Operation: 83-28=55, Resulting Numbers: [8, 55] Generated Node #0,1,1: 61:[8, 55] Operation: 83-28=55 Exploring Operation: 8+28=36, Resulting Numbers: [83, 36] Generated Node #0,1,2: 61:[83, 36] Operation: 8+28=36 Exploring Operation: 28-8=20, Resulting Numbers: [83, 20] Generated Node #0,1,3: 61:[83, 20] Operation: 28-8=20 Exploring Operation: 83-8=75, Resulting Numbers: [28, 75] Generated Node #0,1,4: 61:[28, 75] Operation: 83-8=75 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[83, 36], Operations: ['23+5=28', '8+28=36'] Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,61 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 61:[28, 75], Operations: ['23+5=28', '83-8=75'] Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 28*75=2100, Resulting Numbers: [2100] 2100,61 unequal: No Solution Exploring Operation: 28+75=103, Resulting Numbers: [103] 103,61 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:[8, 55], Operations: ['23+5=28', '83-28=55'] Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 8*55=440, Resulting Numbers: [440] 440,61 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[28, 91], Operations: ['23+5=28', '8+83=91'] Exploring Operation: 28+91=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 28*91=2548, Resulting Numbers: [2548] 2548,61 unequal: No Solution Exploring Operation: 91-28=63, Resulting Numbers: [63] 63,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[83, 20], Operations: ['23+5=28', '28-8=20'] Exploring Operation: 83*20=1660, Resulting Numbers: [1660] 1660,61 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,61 unequal: No Solution Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,61 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:[23, 83, 13], Operations: ['8+5=13'] Exploring Operation: 83+13=96, Resulting Numbers: [23, 96] Generated Node #0,3,0: 61:[23, 96] Operation: 83+13=96 Exploring Operation: 23+13=36, Resulting Numbers: [83, 36] Generated Node #0,3,1: 61:[83, 36] Operation: 23+13=36 Exploring Operation: 83-23=60, Resulting Numbers: [13, 60] Generated Node #0,3,2: 61:[13, 60] Operation: 83-23=60 Exploring Operation: 23-13=10, Resulting Numbers: [83, 10] Generated Node #0,3,3: 61:[83, 10] Operation: 23-13=10 Exploring Operation: 83-13=70, Resulting Numbers: [23, 70] Generated Node #0,3,4: 61:[23, 70] Operation: 83-13=70 Moving to Node #0,3,1 Current State: 61:[83, 36], Operations: ['8+5=13', '23+13=36'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,61 unequal: No Solution Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[23, 70], Operations: ['8+5=13', '83-13=70'] Exploring Operation: 23+70=93, Resulting Numbers: [93] 93,61 unequal: No Solution Exploring Operation: 23*70=1610, Resulting Numbers: [1610] 1610,61 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[13, 60], Operations: ['8+5=13', '83-23=60'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 13+60=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 13*60=780, Resulting Numbers: [780] 780,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[23, 96], Operations: ['8+5=13', '83+13=96'] Exploring Operation: 23*96=2208, Resulting Numbers: [2208] 2208,61 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 23+96=119, Resulting Numbers: [119] 119,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[83, 10], Operations: ['8+5=13', '23-13=10'] Exploring Operation: 83*10=830, Resulting Numbers: [830] 830,61 unequal: No Solution Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 83+10=93, Resulting Numbers: [93] 93,61 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 #0,4 Current State: 61:[5, 83, 31], Operations: ['23+8=31'] Exploring Operation: 31-5=26, Resulting Numbers: [83, 26] Generated Node #0,4,0: 61:[83, 26] Operation: 31-5=26 Exploring Operation: 83-31=52, Resulting Numbers: [5, 52] Generated Node #0,4,1: 61:[5, 52] Operation: 83-31=52 Exploring Operation: 5+83=88, Resulting Numbers: [31, 88] Generated Node #0,4,2: 61:[31, 88] Operation: 5+83=88 Exploring Operation: 5+31=36, Resulting Numbers: [83, 36] Generated Node #0,4,3: 61:[83, 36] Operation: 5+31=36 Exploring Operation: 83-5=78, Resulting Numbers: [31, 78] Generated Node #0,4,4: 61:[31, 78] Operation: 83-5=78 Moving to Node #0,4,3 Current State: 61:[83, 36], Operations: ['23+8=31', '5+31=36'] Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[31, 78], Operations: ['23+8=31', '83-5=78'] Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 31+78=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 31*78=2418, Resulting Numbers: [2418] 2418,61 unequal: No Solution Moving to Node #0,4,0 Current State: 61:[83, 26], Operations: ['23+8=31', '31-5=26'] Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,61 unequal: No Solution Exploring Operation: 83+26=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 83*26=2158, Resulting Numbers: [2158] 2158,61 unequal: No Solution Moving to Node #0,4,2 Current State: 61:[31, 88], Operations: ['23+8=31', '5+83=88'] Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,61 unequal: No Solution Exploring Operation: 31+88=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 31*88=2728, Resulting Numbers: [2728] 2728,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[5, 52], Operations: ['23+8=31', '83-31=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,61 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 49, 87, 32, 73 ]
54
[ "87+73=160", "160/32=5", "49+5=54" ]
Current State: 54:[49, 87, 32, 73], Operations: [] Exploring Operation: 87+73=160, Resulting Numbers: [49, 32, 160] Generated Node #2: [49, 32, 160] from Operation: 87+73=160 Current State: 54:[49, 32, 160], Operations: ['87+73=160'] Exploring Operation: 160/32=5, Resulting Numbers: [49, 5] Generated Node #3: [49, 5] from Operation: 160/32=5 Current State: 54:[49, 5], Operations: ['87+73=160', '160/32=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[49, 87, 32, 73], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [49, 32, 14] Generated Node #0,0: 54:[49, 32, 14] Operation: 87-73=14 Exploring Operation: 87-32=55, Resulting Numbers: [49, 73, 55] Generated Node #0,1: 54:[49, 73, 55] Operation: 87-32=55 Moving to Node #0,0 Current State: 54:[49, 32, 14], Operations: ['87-73=14'] Exploring Operation: 32-14=18, Resulting Numbers: [49, 18] Generated Node #0,0,0: 54:[49, 18] Operation: 32-14=18 Exploring Operation: 49-32=17, Resulting Numbers: [14, 17] Generated Node #0,0,1: 54:[14, 17] Operation: 49-32=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[49, 18], Operations: ['87-73=14', '32-14=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,54 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[14, 17], Operations: ['87-73=14', '49-32=17'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 54:[49, 73, 55], Operations: ['87-32=55'] Exploring Operation: 73-55=18, Resulting Numbers: [49, 18] Generated Node #0,1,0: 54:[49, 18] Operation: 73-55=18 Exploring Operation: 73-49=24, Resulting Numbers: [55, 24] Generated Node #0,1,1: 54:[55, 24] Operation: 73-49=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[55, 24], Operations: ['87-32=55', '73-49=24'] Exploring Operation: 55+24=79, Resulting Numbers: [79] 79,54 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[49, 18], Operations: ['87-32=55', '73-55=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,54 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,54 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
[ 22, 77, 7, 8 ]
88
[ "77/7=11", "22-11=11", "8*11=88" ]
Current State: 88:[22, 77, 7, 8], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [22, 8, 11] Generated Node #2: [22, 8, 11] from Operation: 77/7=11 Current State: 88:[22, 8, 11], Operations: ['77/7=11'] Exploring Operation: 22-11=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 22-11=11 Current State: 88:[8, 11], Operations: ['77/7=11', '22-11=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[22, 77, 7, 8], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [22, 8, 11] Generated Node #0,0: 88:[22, 8, 11] Operation: 77/7=11 Moving to Node #0,0 Current State: 88:[22, 8, 11], Operations: ['77/7=11'] Exploring Operation: 22-11=11, Resulting Numbers: [8, 11] Generated Node #0,0,0: 88:[8, 11] Operation: 22-11=11 Moving to Node #0,0,0 Current State: 88:[8, 11], Operations: ['77/7=11', '22-11=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[22, 77, 7, 8], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [22, 8, 11] Generated Node #0,0: 88:[22, 8, 11] Operation: 77/7=11 Moving to Node #0,0 Current State: 88:[22, 8, 11], Operations: ['77/7=11'] Exploring Operation: 22-11=11, Resulting Numbers: [8, 11] Generated Node #0,0,0: 88:[8, 11] Operation: 22-11=11 Moving to Node #0,0,0 Current State: 88:[8, 11], Operations: ['77/7=11', '22-11=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 40, 21, 43, 79 ]
86
[ "43-40=3", "21/3=7", "79+7=86" ]
Current State: 86:[40, 21, 43, 79], Operations: [] Exploring Operation: 43-40=3, Resulting Numbers: [21, 79, 3] Generated Node #2: [21, 79, 3] from Operation: 43-40=3 Current State: 86:[21, 79, 3], Operations: ['43-40=3'] Exploring Operation: 21/3=7, Resulting Numbers: [79, 7] Generated Node #3: [79, 7] from Operation: 21/3=7 Current State: 86:[79, 7], Operations: ['43-40=3', '21/3=7'] Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[40, 21, 43, 79], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [21, 43, 39] Generated Node #0,0: 86:[21, 43, 39] Operation: 79-40=39 Exploring Operation: 79-21=58, Resulting Numbers: [40, 43, 58] Generated Node #0,1: 86:[40, 43, 58] Operation: 79-21=58 Exploring Operation: 21+79=100, Resulting Numbers: [40, 43, 100] Generated Node #0,2: 86:[40, 43, 100] Operation: 21+79=100 Exploring Operation: 40-21=19, Resulting Numbers: [43, 79, 19] Generated Node #0,3: 86:[43, 79, 19] Operation: 40-21=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[40, 43, 100], Operations: ['21+79=100'] Exploring Operation: 40+43=83, Resulting Numbers: [100, 83] Generated Node #0,2,0: 86:[100, 83] Operation: 40+43=83 Exploring Operation: 43-40=3, Resulting Numbers: [100, 3] Generated Node #0,2,1: 86:[100, 3] Operation: 43-40=3 Exploring Operation: 100-43=57, Resulting Numbers: [40, 57] Generated Node #0,2,2: 86:[40, 57] Operation: 100-43=57 Exploring Operation: 100-40=60, Resulting Numbers: [43, 60] Generated Node #0,2,3: 86:[43, 60] Operation: 100-40=60 Moving to Node #0,2,1 Current State: 86:[100, 3], Operations: ['21+79=100', '43-40=3'] Exploring Operation: 100*3=300, Resulting Numbers: [300] 300,86 unequal: No Solution Exploring Operation: 100+3=103, Resulting Numbers: [103] 103,86 unequal: No Solution Exploring Operation: 100-3=97, Resulting Numbers: [97] 97,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[40, 57], Operations: ['21+79=100', '100-43=57'] Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[100, 83], Operations: ['21+79=100', '40+43=83'] Exploring Operation: 100-83=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 100*83=8300, Resulting Numbers: [8300] 8300,86 unequal: No Solution Exploring Operation: 100+83=183, Resulting Numbers: [183] 183,86 unequal: No Solution Moving to Node #0,2,3 Current State: 86:[43, 60], Operations: ['21+79=100', '100-40=60'] Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,86 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[40, 43, 58], Operations: ['79-21=58'] Exploring Operation: 58-40=18, Resulting Numbers: [43, 18] Generated Node #0,1,0: 86:[43, 18] Operation: 58-40=18 Exploring Operation: 58-43=15, Resulting Numbers: [40, 15] Generated Node #0,1,1: 86:[40, 15] Operation: 58-43=15 Exploring Operation: 40+58=98, Resulting Numbers: [43, 98] Generated Node #0,1,2: 86:[43, 98] Operation: 40+58=98 Exploring Operation: 43-40=3, Resulting Numbers: [58, 3] Generated Node #0,1,3: 86:[58, 3] Operation: 43-40=3 Moving to Node #0,1,2 Current State: 86:[43, 98], Operations: ['79-21=58', '40+58=98'] Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 43*98=4214, Resulting Numbers: [4214] 4214,86 unequal: No Solution Exploring Operation: 43+98=141, Resulting Numbers: [141] 141,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[40, 15], Operations: ['79-21=58', '58-43=15'] Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,86 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[43, 18], Operations: ['79-21=58', '58-40=18'] Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,86 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,86 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[58, 3], Operations: ['79-21=58', '43-40=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[21, 43, 39], Operations: ['79-40=39'] Exploring Operation: 39-21=18, Resulting Numbers: [43, 18] Generated Node #0,0,0: 86:[43, 18] Operation: 39-21=18 Exploring Operation: 43+39=82, Resulting Numbers: [21, 82] Generated Node #0,0,1: 86:[21, 82] Operation: 43+39=82 Exploring Operation: 43-39=4, Resulting Numbers: [21, 4] Generated Node #0,0,2: 86:[21, 4] Operation: 43-39=4 Exploring Operation: 21+39=60, Resulting Numbers: [43, 60] Generated Node #0,0,3: 86:[43, 60] Operation: 21+39=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[43, 18], Operations: ['79-40=39', '39-21=18'] Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,86 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,86 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 86:[43, 60], Operations: ['79-40=39', '21+39=60'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,86 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 86:[21, 4], Operations: ['79-40=39', '43-39=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,86 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[21, 82], Operations: ['79-40=39', '43+39=82'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,86 unequal: No Solution Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[43, 79, 19], Operations: ['40-21=19'] Exploring Operation: 79+19=98, Resulting Numbers: [43, 98] Generated Node #0,3,0: 86:[43, 98] Operation: 79+19=98 Exploring Operation: 79-43=36, Resulting Numbers: [19, 36] Generated Node #0,3,1: 86:[19, 36] Operation: 79-43=36 Exploring Operation: 43+19=62, Resulting Numbers: [79, 62] Generated Node #0,3,2: 86:[79, 62] Operation: 43+19=62 Exploring Operation: 79-19=60, Resulting Numbers: [43, 60] Generated Node #0,3,3: 86:[43, 60] Operation: 79-19=60 Moving to Node #0,3,0 Current State: 86:[43, 98], Operations: ['40-21=19', '79+19=98'] Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 43*98=4214, Resulting Numbers: [4214] 4214,86 unequal: No Solution Exploring Operation: 43+98=141, Resulting Numbers: [141] 141,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[43, 60], Operations: ['40-21=19', '79-19=60'] Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,86 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[19, 36], Operations: ['40-21=19', '79-43=36'] Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,86 unequal: No Solution Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[79, 62], Operations: ['40-21=19', '43+19=62'] Exploring Operation: 79*62=4898, Resulting Numbers: [4898] 4898,86 unequal: No Solution Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 79+62=141, Resulting Numbers: [141] 141,86 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
[ 58, 60, 8, 52 ]
34
[ "60-58=2", "52/2=26", "8+26=34" ]
Current State: 34:[58, 60, 8, 52], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [8, 52, 2] Generated Node #2: [8, 52, 2] from Operation: 60-58=2 Current State: 34:[8, 52, 2], Operations: ['60-58=2'] Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #3: [8, 26] from Operation: 52/2=26 Current State: 34:[8, 26], Operations: ['60-58=2', '52/2=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[58, 60, 8, 52], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [60, 8, 6] Generated Node #0,0: 34:[60, 8, 6] Operation: 58-52=6 Exploring Operation: 60-58=2, Resulting Numbers: [8, 52, 2] Generated Node #0,1: 34:[8, 52, 2] Operation: 60-58=2 Moving to Node #0,1 Current State: 34:[8, 52, 2], Operations: ['60-58=2'] Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #0,1,0: 34:[8, 26] Operation: 52/2=26 Exploring Operation: 52-8=44, Resulting Numbers: [2, 44] Generated Node #0,1,1: 34:[2, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[2, 44], Operations: ['60-58=2', '52-8=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,34 unequal: No Solution No 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: 34:[8, 26], Operations: ['60-58=2', '52/2=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[58, 60, 8, 52], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [8, 52, 2] Generated Node #0,1: 34:[8, 52, 2] Operation: 60-58=2 Moving to Node #0,1 Current State: 34:[8, 52, 2], Operations: ['60-58=2'] Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #0,1,0: 34:[8, 26] Operation: 52/2=26 Moving to Node #0,1,0 Current State: 34:[8, 26], Operations: ['60-58=2', '52/2=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 99, 41, 3, 1 ]
85
[ "41+1=42", "42/3=14", "99-14=85" ]
Current State: 85:[99, 41, 3, 1], Operations: [] Exploring Operation: 41+1=42, Resulting Numbers: [99, 3, 42] Generated Node #2: [99, 3, 42] from Operation: 41+1=42 Current State: 85:[99, 3, 42], Operations: ['41+1=42'] Exploring Operation: 42/3=14, Resulting Numbers: [99, 14] Generated Node #3: [99, 14] from Operation: 42/3=14 Current State: 85:[99, 14], Operations: ['41+1=42', '42/3=14'] Exploring Operation: 99-14=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[99, 41, 3, 1], Operations: [] Exploring Operation: 99-3=96, Resulting Numbers: [41, 1, 96] Generated Node #0,0: 85:[41, 1, 96] Operation: 99-3=96 Exploring Operation: 41-3=38, Resulting Numbers: [99, 1, 38] Generated Node #0,1: 85:[99, 1, 38] Operation: 41-3=38 Exploring Operation: 99-1=98, Resulting Numbers: [41, 3, 98] Generated Node #0,2: 85:[41, 3, 98] Operation: 99-1=98 Exploring Operation: 99-41=58, Resulting Numbers: [3, 1, 58] Generated Node #0,3: 85:[3, 1, 58] Operation: 99-41=58 Exploring Operation: 41-1=40, Resulting Numbers: [99, 3, 40] Generated Node #0,4: 85:[99, 3, 40] Operation: 41-1=40 Moving to Node #0,3 Current State: 85:[3, 1, 58], Operations: ['99-41=58'] Exploring Operation: 3+1=4, Resulting Numbers: [58, 4] Generated Node #0,3,0: 85:[58, 4] Operation: 3+1=4 Exploring Operation: 3+58=61, Resulting Numbers: [1, 61] Generated Node #0,3,1: 85:[1, 61] Operation: 3+58=61 Exploring Operation: 3/1=3, Resulting Numbers: [58, 3] Generated Node #0,3,2: 85:[58, 3] Operation: 3/1=3 Exploring Operation: 3*1=3, Resulting Numbers: [58, 3] Generated Node #0,3,3: 85:[58, 3] Operation: 3*1=3 Exploring Operation: 1+58=59, Resulting Numbers: [3, 59] Generated Node #0,3,4: 85:[3, 59] Operation: 1+58=59 Moving to Node #0,1 Current State: 85:[99, 1, 38], Operations: ['41-3=38'] Exploring Operation: 99-1=98, Resulting Numbers: [38, 98] Generated Node #0,1,0: 85:[38, 98] Operation: 99-1=98 Exploring Operation: 38-1=37, Resulting Numbers: [99, 37] Generated Node #0,1,1: 85:[99, 37] Operation: 38-1=37 Exploring Operation: 99/1=99, Resulting Numbers: [38, 99] Generated Node #0,1,2: 85:[38, 99] Operation: 99/1=99 Exploring Operation: 99-38=61, Resulting Numbers: [1, 61] Generated Node #0,1,3: 85:[1, 61] Operation: 99-38=61 Exploring Operation: 99*1=99, Resulting Numbers: [38, 99] Generated Node #0,1,4: 85:[38, 99] Operation: 99*1=99 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[1, 61], Operations: ['41-3=38', '99-38=61'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[38, 98], Operations: ['41-3=38', '99-1=98'] Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 38+98=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 38*98=3724, Resulting Numbers: [3724] 3724,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[99, 37], Operations: ['41-3=38', '38-1=37'] Exploring Operation: 99*37=3663, Resulting Numbers: [3663] 3663,85 unequal: No Solution Exploring Operation: 99+37=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 99-37=62, Resulting Numbers: [62] 62,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[38, 99], Operations: ['41-3=38', '99/1=99'] Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 38*99=3762, Resulting Numbers: [3762] 3762,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 85:[38, 99], Operations: ['41-3=38', '99*1=99'] Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 38*99=3762, Resulting Numbers: [3762] 3762,85 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: 85:[99, 3, 40], Operations: ['41-1=40'] Exploring Operation: 99/3=33, Resulting Numbers: [40, 33] Generated Node #0,4,0: 85:[40, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [40, 96] Generated Node #0,4,1: 85:[40, 96] Operation: 99-3=96 Exploring Operation: 99+3=102, Resulting Numbers: [40, 102] Generated Node #0,4,2: 85:[40, 102] Operation: 99+3=102 Exploring Operation: 40-3=37, Resulting Numbers: [99, 37] Generated Node #0,4,3: 85:[99, 37] Operation: 40-3=37 Exploring Operation: 99-40=59, Resulting Numbers: [3, 59] Generated Node #0,4,4: 85:[3, 59] Operation: 99-40=59 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 85:[3, 59], Operations: ['41-1=40', '99-40=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,85 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 85:[40, 96], Operations: ['41-1=40', '99-3=96'] Exploring Operation: 40+96=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 40*96=3840, Resulting Numbers: [3840] 3840,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 85:[99, 37], Operations: ['41-1=40', '40-3=37'] Exploring Operation: 99-37=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 99*37=3663, Resulting Numbers: [3663] 3663,85 unequal: No Solution Exploring Operation: 99+37=136, Resulting Numbers: [136] 136,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 85:[40, 33], Operations: ['41-1=40', '99/3=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,85 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,85 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 85:[40, 102], Operations: ['41-1=40', '99+3=102'] Exploring Operation: 102-40=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 40*102=4080, Resulting Numbers: [4080] 4080,85 unequal: No Solution Exploring Operation: 40+102=142, Resulting Numbers: [142] 142,85 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: 85:[41, 1, 96], Operations: ['99-3=96'] Exploring Operation: 41*1=41, Resulting Numbers: [96, 41] Generated Node #0,0,0: 85:[96, 41] Operation: 41*1=41 Exploring Operation: 96-41=55, Resulting Numbers: [1, 55] Generated Node #0,0,1: 85:[1, 55] Operation: 96-41=55 Exploring Operation: 41-1=40, Resulting Numbers: [96, 40] Generated Node #0,0,2: 85:[96, 40] Operation: 41-1=40 Exploring Operation: 96-1=95, Resulting Numbers: [41, 95] Generated Node #0,0,3: 85:[41, 95] Operation: 96-1=95 Exploring Operation: 41/1=41, Resulting Numbers: [96, 41] Generated Node #0,0,4: 85:[96, 41] Operation: 41/1=41 Moving to Node #0,2 Current State: 85:[41, 3, 98], Operations: ['99-1=98'] Exploring Operation: 41+3=44, Resulting Numbers: [98, 44] Generated Node #0,2,0: 85:[98, 44] Operation: 41+3=44 Exploring Operation: 98-3=95, Resulting Numbers: [41, 95] Generated Node #0,2,1: 85:[41, 95] Operation: 98-3=95 Exploring Operation: 98-41=57, Resulting Numbers: [3, 57] Generated Node #0,2,2: 85:[3, 57] Operation: 98-41=57 Exploring Operation: 3+98=101, Resulting Numbers: [41, 101] Generated Node #0,2,3: 85:[41, 101] Operation: 3+98=101 Exploring Operation: 41-3=38, Resulting Numbers: [98, 38] Generated Node #0,2,4: 85:[98, 38] Operation: 41-3=38 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[3, 57], Operations: ['99-1=98', '98-41=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,85 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[41, 95], Operations: ['99-1=98', '98-3=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,85 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 85:[98, 38], Operations: ['99-1=98', '41-3=38'] Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,85 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[98, 44], Operations: ['99-1=98', '41+3=44'] Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 98*44=4312, Resulting Numbers: [4312] 4312,85 unequal: No Solution Exploring Operation: 98+44=142, Resulting Numbers: [142] 142,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 85:[41, 101], Operations: ['99-1=98', '3+98=101'] Exploring Operation: 41*101=4141, Resulting Numbers: [4141] 4141,85 unequal: No Solution Exploring Operation: 101-41=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 41+101=142, Resulting Numbers: [142] 142,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 85:[58, 4], Operations: ['99-41=58', '3+1=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,85 unequal: No Solution Moving to Node #0,3,4 Current State: 85:[3, 59], Operations: ['99-41=58', '1+58=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[1, 61], Operations: ['99-41=58', '3+58=61'] Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[58, 3], Operations: ['99-41=58', '3*1=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[58, 3], Operations: ['99-41=58', '3/1=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[96, 40], Operations: ['99-3=96', '41-1=40'] Exploring Operation: 96+40=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 96*40=3840, Resulting Numbers: [3840] 3840,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[1, 55], Operations: ['99-3=96', '96-41=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[41, 95], Operations: ['99-3=96', '96-1=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,85 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,85 unequal: No Solution Moving to Node #0,0,4 Current State: 85:[96, 41], Operations: ['99-3=96', '41/1=41'] Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[96, 41], Operations: ['99-3=96', '41*1=41'] Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,85 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 18, 98, 11, 5 ]
63
[ "18-11=7", "5*7=35", "98-35=63" ]
Current State: 63:[18, 98, 11, 5], Operations: [] Exploring Operation: 18-11=7, Resulting Numbers: [98, 5, 7] Generated Node #2: [98, 5, 7] from Operation: 18-11=7 Current State: 63:[98, 5, 7], Operations: ['18-11=7'] Exploring Operation: 5*7=35, Resulting Numbers: [98, 35] Generated Node #3: [98, 35] from Operation: 5*7=35 Current State: 63:[98, 35], Operations: ['18-11=7', '5*7=35'] Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[18, 98, 11, 5], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [11, 5, 80] Generated Node #0,0: 63:[11, 5, 80] Operation: 98-18=80 Exploring Operation: 18-11=7, Resulting Numbers: [98, 5, 7] Generated Node #0,1: 63:[98, 5, 7] Operation: 18-11=7 Exploring Operation: 98-11=87, Resulting Numbers: [18, 5, 87] Generated Node #0,2: 63:[18, 5, 87] Operation: 98-11=87 Exploring Operation: 18+5=23, Resulting Numbers: [98, 11, 23] Generated Node #0,3: 63:[98, 11, 23] Operation: 18+5=23 Exploring Operation: 98-5=93, Resulting Numbers: [18, 11, 93] Generated Node #0,4: 63:[18, 11, 93] Operation: 98-5=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[11, 5, 80], Operations: ['98-18=80'] Exploring Operation: 11+5=16, Resulting Numbers: [80, 16] Generated Node #0,0,0: 63:[80, 16] Operation: 11+5=16 Exploring Operation: 11-5=6, Resulting Numbers: [80, 6] Generated Node #0,0,1: 63:[80, 6] Operation: 11-5=6 Exploring Operation: 80-11=69, Resulting Numbers: [5, 69] Generated Node #0,0,2: 63:[5, 69] Operation: 80-11=69 Exploring Operation: 80/5=16, Resulting Numbers: [11, 16] Generated Node #0,0,3: 63:[11, 16] Operation: 80/5=16 Exploring Operation: 80-5=75, Resulting Numbers: [11, 75] Generated Node #0,0,4: 63:[11, 75] Operation: 80-5=75 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 63:[11, 16], Operations: ['98-18=80', '80/5=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[5, 69], Operations: ['98-18=80', '80-11=69'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 63:[11, 75], Operations: ['98-18=80', '80-5=75'] Exploring Operation: 11*75=825, Resulting Numbers: [825] 825,63 unequal: No Solution Exploring Operation: 11+75=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[80, 6], Operations: ['98-18=80', '11-5=6'] Exploring Operation: 80*6=480, Resulting Numbers: [480] 480,63 unequal: No Solution Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[80, 16], Operations: ['98-18=80', '11+5=16'] Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,63 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,63 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[18, 5, 87], Operations: ['98-11=87'] Exploring Operation: 18+5=23, Resulting Numbers: [87, 23] Generated Node #0,2,0: 63:[87, 23] Operation: 18+5=23 Exploring Operation: 87-5=82, Resulting Numbers: [18, 82] Generated Node #0,2,1: 63:[18, 82] Operation: 87-5=82 Exploring Operation: 18-5=13, Resulting Numbers: [87, 13] Generated Node #0,2,2: 63:[87, 13] Operation: 18-5=13 Exploring Operation: 87-18=69, Resulting Numbers: [5, 69] Generated Node #0,2,3: 63:[5, 69] Operation: 87-18=69 Exploring Operation: 5+87=92, Resulting Numbers: [18, 92] Generated Node #0,2,4: 63:[18, 92] Operation: 5+87=92 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 63:[5, 69], Operations: ['98-11=87', '87-18=69'] Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,63 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[18, 82], Operations: ['98-11=87', '87-5=82'] Exploring Operation: 18*82=1476, Resulting Numbers: [1476] 1476,63 unequal: No Solution Exploring Operation: 18+82=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[87, 23], Operations: ['98-11=87', '18+5=23'] Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 87*23=2001, Resulting Numbers: [2001] 2001,63 unequal: No Solution Exploring Operation: 87+23=110, Resulting Numbers: [110] 110,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[87, 13], Operations: ['98-11=87', '18-5=13'] Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,63 unequal: No Solution Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 63:[18, 92], Operations: ['98-11=87', '5+87=92'] Exploring Operation: 18+92=110, Resulting Numbers: [110] 110,63 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 18*92=1656, Resulting Numbers: [1656] 1656,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 63:[18, 11, 93], Operations: ['98-5=93'] Exploring Operation: 18-11=7, Resulting Numbers: [93, 7] Generated Node #0,4,0: 63:[93, 7] Operation: 18-11=7 Exploring Operation: 18+11=29, Resulting Numbers: [93, 29] Generated Node #0,4,1: 63:[93, 29] Operation: 18+11=29 Exploring Operation: 93-11=82, Resulting Numbers: [18, 82] Generated Node #0,4,2: 63:[18, 82] Operation: 93-11=82 Exploring Operation: 11+93=104, Resulting Numbers: [18, 104] Generated Node #0,4,3: 63:[18, 104] Operation: 11+93=104 Exploring Operation: 93-18=75, Resulting Numbers: [11, 75] Generated Node #0,4,4: 63:[11, 75] Operation: 93-18=75 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 63:[11, 75], Operations: ['98-5=93', '93-18=75'] Exploring Operation: 11*75=825, Resulting Numbers: [825] 825,63 unequal: No Solution Exploring Operation: 11+75=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 63:[18, 82], Operations: ['98-5=93', '93-11=82'] Exploring Operation: 18*82=1476, Resulting Numbers: [1476] 1476,63 unequal: No Solution Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 18+82=100, Resulting Numbers: [100] 100,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 63:[93, 7], Operations: ['98-5=93', '18-11=7'] Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,63 unequal: No Solution Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 63:[93, 29], Operations: ['98-5=93', '18+11=29'] Exploring Operation: 93*29=2697, Resulting Numbers: [2697] 2697,63 unequal: No Solution Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 93+29=122, Resulting Numbers: [122] 122,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 63:[18, 104], Operations: ['98-5=93', '11+93=104'] Exploring Operation: 18+104=122, Resulting Numbers: [122] 122,63 unequal: No Solution Exploring Operation: 18*104=1872, Resulting Numbers: [1872] 1872,63 unequal: No Solution Exploring Operation: 104-18=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[98, 5, 7], Operations: ['18-11=7'] Exploring Operation: 98-7=91, Resulting Numbers: [5, 91] Generated Node #0,1,0: 63:[5, 91] Operation: 98-7=91 Exploring Operation: 98/7=14, Resulting Numbers: [5, 14] Generated Node #0,1,1: 63:[5, 14] Operation: 98/7=14 Exploring Operation: 98-5=93, Resulting Numbers: [7, 93] Generated Node #0,1,2: 63:[7, 93] Operation: 98-5=93 Exploring Operation: 5+7=12, Resulting Numbers: [98, 12] Generated Node #0,1,3: 63:[98, 12] Operation: 5+7=12 Exploring Operation: 7-5=2, Resulting Numbers: [98, 2] Generated Node #0,1,4: 63:[98, 2] Operation: 7-5=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[5, 14], Operations: ['18-11=7', '98/7=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,63 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[5, 91], Operations: ['18-11=7', '98-7=91'] Exploring Operation: 5*91=455, Resulting Numbers: [455] 455,63 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[7, 93], Operations: ['18-11=7', '98-5=93'] Exploring Operation: 7+93=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 7*93=651, Resulting Numbers: [651] 651,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 63:[98, 2], Operations: ['18-11=7', '7-5=2'] Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,63 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,63 unequal: No Solution Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[98, 12], Operations: ['18-11=7', '5+7=12'] Exploring Operation: 98+12=110, Resulting Numbers: [110] 110,63 unequal: No Solution Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 98*12=1176, Resulting Numbers: [1176] 1176,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[98, 11, 23], Operations: ['18+5=23'] Exploring Operation: 98+11=109, Resulting Numbers: [23, 109] Generated Node #0,3,0: 63:[23, 109] Operation: 98+11=109 Exploring Operation: 98-23=75, Resulting Numbers: [11, 75] Generated Node #0,3,1: 63:[11, 75] Operation: 98-23=75 Exploring Operation: 23-11=12, Resulting Numbers: [98, 12] Generated Node #0,3,2: 63:[98, 12] Operation: 23-11=12 Exploring Operation: 98-11=87, Resulting Numbers: [23, 87] Generated Node #0,3,3: 63:[23, 87] Operation: 98-11=87 Exploring Operation: 11+23=34, Resulting Numbers: [98, 34] Generated Node #0,3,4: 63:[98, 34] Operation: 11+23=34 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 63:[11, 75], Operations: ['18+5=23', '98-23=75'] Exploring Operation: 11+75=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 11*75=825, Resulting Numbers: [825] 825,63 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 63:[23, 87], Operations: ['18+5=23', '98-11=87'] Exploring Operation: 23*87=2001, Resulting Numbers: [2001] 2001,63 unequal: No Solution Exploring Operation: 23+87=110, Resulting Numbers: [110] 110,63 unequal: No Solution Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 63:[98, 12], Operations: ['18+5=23', '23-11=12'] Exploring Operation: 98*12=1176, Resulting Numbers: [1176] 1176,63 unequal: No Solution Exploring Operation: 98+12=110, Resulting Numbers: [110] 110,63 unequal: No Solution Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 63:[23, 109], Operations: ['18+5=23', '98+11=109'] Exploring Operation: 23*109=2507, Resulting Numbers: [2507] 2507,63 unequal: No Solution Exploring Operation: 23+109=132, Resulting Numbers: [132] 132,63 unequal: No Solution Exploring Operation: 109-23=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 63:[98, 34], Operations: ['18+5=23', '11+23=34'] Exploring Operation: 98-34=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 98*34=3332, Resulting Numbers: [3332] 3332,63 unequal: No Solution Exploring Operation: 98+34=132, Resulting Numbers: [132] 132,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 29, 32, 70, 49 ]
82
[ "29+32=61", "70-49=21", "61+21=82" ]
Current State: 82:[29, 32, 70, 49], Operations: [] Exploring Operation: 29+32=61, Resulting Numbers: [70, 49, 61] Generated Node #2: [70, 49, 61] from Operation: 29+32=61 Current State: 82:[70, 49, 61], Operations: ['29+32=61'] Exploring Operation: 70-49=21, Resulting Numbers: [61, 21] Generated Node #3: [61, 21] from Operation: 70-49=21 Current State: 82:[61, 21], Operations: ['29+32=61', '70-49=21'] Exploring Operation: 61+21=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[29, 32, 70, 49], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [70, 49, 3] Generated Node #0,0: 82:[70, 49, 3] Operation: 32-29=3 Exploring Operation: 70-29=41, Resulting Numbers: [32, 49, 41] Generated Node #0,1: 82:[32, 49, 41] Operation: 70-29=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[32, 49, 41], Operations: ['70-29=41'] Exploring Operation: 49-32=17, Resulting Numbers: [41, 17] Generated Node #0,1,0: 82:[41, 17] Operation: 49-32=17 Exploring Operation: 32+49=81, Resulting Numbers: [41, 81] Generated Node #0,1,1: 82:[41, 81] Operation: 32+49=81 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[41, 81], Operations: ['70-29=41', '32+49=81'] Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 41+81=122, Resulting Numbers: [122] 122,82 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:[41, 17], Operations: ['70-29=41', '49-32=17'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,82 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 #0,0 Current State: 82:[70, 49, 3], Operations: ['32-29=3'] Exploring Operation: 49-3=46, Resulting Numbers: [70, 46] Generated Node #0,0,0: 82:[70, 46] Operation: 49-3=46 Exploring Operation: 70+3=73, Resulting Numbers: [49, 73] Generated Node #0,0,1: 82:[49, 73] Operation: 70+3=73 Moving to Node #0,0,0 Current State: 82:[70, 46], Operations: ['32-29=3', '49-3=46'] Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[49, 73], Operations: ['32-29=3', '70+3=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,82 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 6, 69, 2, 90 ]
27
[ "90-6=84", "84/2=42", "69-42=27" ]
Current State: 27:[6, 69, 2, 90], Operations: [] Exploring Operation: 90-6=84, Resulting Numbers: [69, 2, 84] Generated Node #2: [69, 2, 84] from Operation: 90-6=84 Current State: 27:[69, 2, 84], Operations: ['90-6=84'] Exploring Operation: 84/2=42, Resulting Numbers: [69, 42] Generated Node #3: [69, 42] from Operation: 84/2=42 Current State: 27:[69, 42], Operations: ['90-6=84', '84/2=42'] Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[6, 69, 2, 90], Operations: [] Exploring Operation: 90-69=21, Resulting Numbers: [6, 2, 21] Generated Node #0,0: 27:[6, 2, 21] Operation: 90-69=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[6, 2, 21], Operations: ['90-69=21'] Exploring Operation: 6+21=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 27:[2, 27] Operation: 6+21=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 27], Operations: ['90-69=21', '6+21=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,27 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
[ 37, 45, 99, 5 ]
48
[ "45/5=9", "99/9=11", "37+11=48" ]
Current State: 48:[37, 45, 99, 5], Operations: [] Exploring Operation: 45/5=9, Resulting Numbers: [37, 99, 9] Generated Node #2: [37, 99, 9] from Operation: 45/5=9 Current State: 48:[37, 99, 9], Operations: ['45/5=9'] Exploring Operation: 99/9=11, Resulting Numbers: [37, 11] Generated Node #3: [37, 11] from Operation: 99/9=11 Current State: 48:[37, 11], Operations: ['45/5=9', '99/9=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[37, 45, 99, 5], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [37, 5, 54] Generated Node #0,0: 48:[37, 5, 54] Operation: 99-45=54 Exploring Operation: 99-37=62, Resulting Numbers: [45, 5, 62] Generated Node #0,1: 48:[45, 5, 62] Operation: 99-37=62 Moving to Node #0,0 Current State: 48:[37, 5, 54], Operations: ['99-45=54'] Exploring Operation: 54-37=17, Resulting Numbers: [5, 17] Generated Node #0,0,0: 48:[5, 17] Operation: 54-37=17 Exploring Operation: 37+5=42, Resulting Numbers: [54, 42] Generated Node #0,0,1: 48:[54, 42] Operation: 37+5=42 Moving to Node #0,1 Current State: 48:[45, 5, 62], Operations: ['99-37=62'] Exploring Operation: 62-45=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 48:[5, 17] Operation: 62-45=17 Exploring Operation: 62-5=57, Resulting Numbers: [45, 57] Generated Node #0,1,1: 48:[45, 57] Operation: 62-5=57 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[5, 17], Operations: ['99-37=62', '62-45=17'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[45, 57], Operations: ['99-37=62', '62-5=57'] Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,48 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: 48:[5, 17], Operations: ['99-45=54', '54-37=17'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[54, 42], Operations: ['99-45=54', '37+5=42'] Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,48 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 35, 7, 94 ]
98
[ "94-1=93", "35/7=5", "93+5=98" ]
Current State: 98:[1, 35, 7, 94], Operations: [] Exploring Operation: 94-1=93, Resulting Numbers: [35, 7, 93] Generated Node #2: [35, 7, 93] from Operation: 94-1=93 Current State: 98:[35, 7, 93], Operations: ['94-1=93'] Exploring Operation: 35/7=5, Resulting Numbers: [93, 5] Generated Node #3: [93, 5] from Operation: 35/7=5 Current State: 98:[93, 5], Operations: ['94-1=93', '35/7=5'] Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[1, 35, 7, 94], Operations: [] Exploring Operation: 35+7=42, Resulting Numbers: [1, 94, 42] Generated Node #0,0: 98:[1, 94, 42] Operation: 35+7=42 Exploring Operation: 35/7=5, Resulting Numbers: [1, 94, 5] Generated Node #0,1: 98:[1, 94, 5] Operation: 35/7=5 Exploring Operation: 94-35=59, Resulting Numbers: [1, 7, 59] Generated Node #0,2: 98:[1, 7, 59] Operation: 94-35=59 Moving to Node #0,1 Current State: 98:[1, 94, 5], Operations: ['35/7=5'] Exploring Operation: 94+5=99, Resulting Numbers: [1, 99] Generated Node #0,1,0: 98:[1, 99] Operation: 94+5=99 Exploring Operation: 1+5=6, Resulting Numbers: [94, 6] Generated Node #0,1,1: 98:[94, 6] Operation: 1+5=6 Exploring Operation: 1+94=95, Resulting Numbers: [5, 95] Generated Node #0,1,2: 98:[5, 95] Operation: 1+94=95 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[1, 99], Operations: ['35/7=5', '94+5=99'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[1, 35, 7, 94], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [1, 94, 5] Generated Node #0,1: 98:[1, 94, 5] Operation: 35/7=5 Moving to Node #0,1 Current State: 98:[1, 94, 5], Operations: ['35/7=5'] Exploring Operation: 94+5=99, Resulting Numbers: [1, 99] Generated Node #0,1,0: 98:[1, 99] Operation: 94+5=99 Moving to Node #0,1,0 Current State: 98:[1, 99], Operations: ['35/7=5', '94+5=99'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 54, 56, 17, 16 ]
88
[ "54*16=864", "56*17=952", "952-864=88" ]
Current State: 88:[54, 56, 17, 16], Operations: [] Exploring Operation: 54*16=864, Resulting Numbers: [56, 17, 864] Generated Node #2: [56, 17, 864] from Operation: 54*16=864 Current State: 88:[56, 17, 864], Operations: ['54*16=864'] Exploring Operation: 56*17=952, Resulting Numbers: [864, 952] Generated Node #3: [864, 952] from Operation: 56*17=952 Current State: 88:[864, 952], Operations: ['54*16=864', '56*17=952'] Exploring Operation: 952-864=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[54, 56, 17, 16], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [17, 16, 2] Generated Node #0,0: 88:[17, 16, 2] Operation: 56-54=2 Exploring Operation: 56-16=40, Resulting Numbers: [54, 17, 40] Generated Node #0,1: 88:[54, 17, 40] Operation: 56-16=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[17, 16, 2], Operations: ['56-54=2'] Exploring Operation: 16/2=8, Resulting Numbers: [17, 8] Generated Node #0,0,0: 88:[17, 8] Operation: 16/2=8 Exploring Operation: 17-16=1, Resulting Numbers: [2, 1] Generated Node #0,0,1: 88:[2, 1] Operation: 17-16=1 Moving to Node #0,0,1 Current State: 88:[2, 1], Operations: ['56-54=2', '17-16=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[17, 8], Operations: ['56-54=2', '16/2=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,88 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,88 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 #0,1 Current State: 88:[54, 17, 40], Operations: ['56-16=40'] Exploring Operation: 54-40=14, Resulting Numbers: [17, 14] Generated Node #0,1,0: 88:[17, 14] Operation: 54-40=14 Exploring Operation: 54-17=37, Resulting Numbers: [40, 37] Generated Node #0,1,1: 88:[40, 37] Operation: 54-17=37 Moving to Node #0,1,0 Current State: 88:[17, 14], Operations: ['56-16=40', '54-40=14'] Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[40, 37], Operations: ['56-16=40', '54-17=37'] Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,88 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,88 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
[ 48, 84, 8, 56 ]
83
[ "48+8=56", "56/56=1", "84-1=83" ]
Current State: 83:[48, 84, 8, 56], Operations: [] Exploring Operation: 48+8=56, Resulting Numbers: [84, 56, 56] Generated Node #2: [84, 56, 56] from Operation: 48+8=56 Current State: 83:[84, 56, 56], Operations: ['48+8=56'] Exploring Operation: 56/56=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 56/56=1 Current State: 83:[84, 1], Operations: ['48+8=56', '56/56=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[48, 84, 8, 56], Operations: [] Exploring Operation: 8+56=64, Resulting Numbers: [48, 84, 64] Generated Node #0,0: 83:[48, 84, 64] Operation: 8+56=64 Exploring Operation: 48+8=56, Resulting Numbers: [84, 56, 56] Generated Node #0,1: 83:[84, 56, 56] Operation: 48+8=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[48, 84, 64], Operations: ['8+56=64'] Exploring Operation: 48+64=112, Resulting Numbers: [84, 112] Generated Node #0,0,0: 83:[84, 112] Operation: 48+64=112 Exploring Operation: 84-48=36, Resulting Numbers: [64, 36] Generated Node #0,0,1: 83:[64, 36] Operation: 84-48=36 Moving to Node #0,0,0 Current State: 83:[84, 112], Operations: ['8+56=64', '48+64=112'] Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,83 unequal: No Solution Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[64, 36], Operations: ['8+56=64', '84-48=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[84, 56, 56], Operations: ['48+8=56'] Exploring Operation: 56+56=112, Resulting Numbers: [84, 112] Generated Node #0,1,0: 83:[84, 112] Operation: 56+56=112 Exploring Operation: 84-56=28, Resulting Numbers: [56, 28] Generated Node #0,1,1: 83:[56, 28] Operation: 84-56=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[84, 112], Operations: ['48+8=56', '56+56=112'] Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[56, 28], Operations: ['48+8=56', '84-56=28'] Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 99, 76, 24, 28 ]
75
[ "99-76=23", "24+28=52", "23+52=75" ]
Current State: 75:[99, 76, 24, 28], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [24, 28, 23] Generated Node #2: [24, 28, 23] from Operation: 99-76=23 Current State: 75:[24, 28, 23], Operations: ['99-76=23'] Exploring Operation: 24+28=52, Resulting Numbers: [23, 52] Generated Node #3: [23, 52] from Operation: 24+28=52 Current State: 75:[23, 52], Operations: ['99-76=23', '24+28=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[99, 76, 24, 28], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [76, 28, 75] Generated Node #0,0: 75:[76, 28, 75] Operation: 99-24=75 Moving to Node #0,0 Current State: 75:[76, 28, 75], Operations: ['99-24=75'] Exploring Operation: 76-75=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 75:[28, 1] Operation: 76-75=1 Moving to Node #0,0,0 Current State: 75:[28, 1], Operations: ['99-24=75', '76-75=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,75 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 36, 63, 36 ]
68
[ "6+63=69", "36/36=1", "69-1=68" ]
Current State: 68:[6, 36, 63, 36], Operations: [] Exploring Operation: 6+63=69, Resulting Numbers: [36, 36, 69] Generated Node #2: [36, 36, 69] from Operation: 6+63=69 Current State: 68:[36, 36, 69], Operations: ['6+63=69'] Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #3: [69, 1] from Operation: 36/36=1 Current State: 68:[69, 1], Operations: ['6+63=69', '36/36=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[6, 36, 63, 36], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [36, 63, 6] Generated Node #0,0: 68:[36, 63, 6] Operation: 36/6=6 Exploring Operation: 36/6=6, Resulting Numbers: [63, 36, 6] Generated Node #0,1: 68:[63, 36, 6] Operation: 36/6=6 Exploring Operation: 6+63=69, Resulting Numbers: [36, 36, 69] Generated Node #0,2: 68:[36, 36, 69] Operation: 6+63=69 Exploring Operation: 36/36=1, Resulting Numbers: [6, 63, 1] Generated Node #0,3: 68:[6, 63, 1] Operation: 36/36=1 Exploring Operation: 36-36=0, Resulting Numbers: [6, 63, 0] Generated Node #0,4: 68:[6, 63, 0] Operation: 36-36=0 Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[36, 36, 69], Operations: ['6+63=69'] Exploring Operation: 36+36=72, Resulting Numbers: [69, 72] Generated Node #0,2,0: 68:[69, 72] Operation: 36+36=72 Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #0,2,1: 68:[69, 1] Operation: 36/36=1 Exploring Operation: 69-36=33, Resulting Numbers: [36, 33] Generated Node #0,2,2: 68:[36, 33] Operation: 69-36=33 Exploring Operation: 36-36=0, Resulting Numbers: [69, 0] Generated Node #0,2,3: 68:[69, 0] Operation: 36-36=0 Exploring Operation: 69-36=33, Resulting Numbers: [36, 33] Generated Node #0,2,4: 68:[36, 33] Operation: 69-36=33 Moving to Node #0,2,1 Current State: 68:[69, 1], Operations: ['6+63=69', '36/36=1'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,68 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[6, 36, 63, 36], Operations: [] Exploring Operation: 6+63=69, Resulting Numbers: [36, 36, 69] Generated Node #0,2: 68:[36, 36, 69] Operation: 6+63=69 Moving to Node #0,2 Current State: 68:[36, 36, 69], Operations: ['6+63=69'] Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #0,2,1: 68:[69, 1] Operation: 36/36=1 Moving to Node #0,2,1 Current State: 68:[69, 1], Operations: ['6+63=69', '36/36=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 55, 24, 37, 86 ]
35
[ "24+86=110", "110/55=2", "37-2=35" ]
Current State: 35:[55, 24, 37, 86], Operations: [] Exploring Operation: 24+86=110, Resulting Numbers: [55, 37, 110] Generated Node #2: [55, 37, 110] from Operation: 24+86=110 Current State: 35:[55, 37, 110], Operations: ['24+86=110'] Exploring Operation: 110/55=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 110/55=2 Current State: 35:[37, 2], Operations: ['24+86=110', '110/55=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[55, 24, 37, 86], Operations: [] Exploring Operation: 55-24=31, Resulting Numbers: [37, 86, 31] Generated Node #0,0: 35:[37, 86, 31] Operation: 55-24=31 Exploring Operation: 86-37=49, Resulting Numbers: [55, 24, 49] Generated Node #0,1: 35:[55, 24, 49] Operation: 86-37=49 Exploring Operation: 86-24=62, Resulting Numbers: [55, 37, 62] Generated Node #0,2: 35:[55, 37, 62] Operation: 86-24=62 Exploring Operation: 86-55=31, Resulting Numbers: [24, 37, 31] Generated Node #0,3: 35:[24, 37, 31] Operation: 86-55=31 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[24, 37, 31], Operations: ['86-55=31'] Exploring Operation: 31-24=7, Resulting Numbers: [37, 7] Generated Node #0,3,0: 35:[37, 7] Operation: 31-24=7 Exploring Operation: 37-24=13, Resulting Numbers: [31, 13] Generated Node #0,3,1: 35:[31, 13] Operation: 37-24=13 Exploring Operation: 24+31=55, Resulting Numbers: [37, 55] Generated Node #0,3,2: 35:[37, 55] Operation: 24+31=55 Exploring Operation: 37-31=6, Resulting Numbers: [24, 6] Generated Node #0,3,3: 35:[24, 6] Operation: 37-31=6 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 35:[37, 7], Operations: ['86-55=31', '31-24=7'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,35 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,35 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:[31, 13], Operations: ['86-55=31', '37-24=13'] Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,35 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,35 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:[24, 6], Operations: ['86-55=31', '37-31=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 35:[37, 55], Operations: ['86-55=31', '24+31=55'] Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,35 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:[55, 24, 49], Operations: ['86-37=49'] Exploring Operation: 55-24=31, Resulting Numbers: [49, 31] Generated Node #0,1,0: 35:[49, 31] Operation: 55-24=31 Exploring Operation: 55+24=79, Resulting Numbers: [49, 79] Generated Node #0,1,1: 35:[49, 79] Operation: 55+24=79 Exploring Operation: 55-49=6, Resulting Numbers: [24, 6] Generated Node #0,1,2: 35:[24, 6] Operation: 55-49=6 Exploring Operation: 49-24=25, Resulting Numbers: [55, 25] Generated Node #0,1,3: 35:[55, 25] Operation: 49-24=25 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[24, 6], Operations: ['86-37=49', '55-49=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,35 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[49, 31], Operations: ['86-37=49', '55-24=31'] Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 49+31=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 #0,1,3 Current State: 35:[55, 25], Operations: ['86-37=49', '49-24=25'] Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,35 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[49, 79], Operations: ['86-37=49', '55+24=79'] Exploring Operation: 49*79=3871, Resulting Numbers: [3871] 3871,35 unequal: No Solution Exploring Operation: 79-49=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 49+79=128, Resulting Numbers: [128] 128,35 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 #0,2 Current State: 35:[55, 37, 62], Operations: ['86-24=62'] Exploring Operation: 62-55=7, Resulting Numbers: [37, 7] Generated Node #0,2,0: 35:[37, 7] Operation: 62-55=7 Exploring Operation: 55+37=92, Resulting Numbers: [62, 92] Generated Node #0,2,1: 35:[62, 92] Operation: 55+37=92 Exploring Operation: 55-37=18, Resulting Numbers: [62, 18] Generated Node #0,2,2: 35:[62, 18] Operation: 55-37=18 Exploring Operation: 62-37=25, Resulting Numbers: [55, 25] Generated Node #0,2,3: 35:[55, 25] Operation: 62-37=25 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[37, 7], Operations: ['86-24=62', '62-55=7'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,35 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 #0,2,3 Current State: 35:[55, 25], Operations: ['86-24=62', '62-37=25'] Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,35 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 #0,2,2 Current State: 35:[62, 18], Operations: ['86-24=62', '55-37=18'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,35 unequal: No Solution Exploring Operation: 62+18=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 #0,2,1 Current State: 35:[62, 92], Operations: ['86-24=62', '55+37=92'] Exploring Operation: 92-62=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 62+92=154, Resulting Numbers: [154] 154,35 unequal: No Solution Exploring Operation: 62*92=5704, Resulting Numbers: [5704] 5704,35 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 #0,0 Current State: 35:[37, 86, 31], Operations: ['55-24=31'] Exploring Operation: 86-31=55, Resulting Numbers: [37, 55] Generated Node #0,0,0: 35:[37, 55] Operation: 86-31=55 Exploring Operation: 37-31=6, Resulting Numbers: [86, 6] Generated Node #0,0,1: 35:[86, 6] Operation: 37-31=6 Exploring Operation: 86-37=49, Resulting Numbers: [31, 49] Generated Node #0,0,2: 35:[31, 49] Operation: 86-37=49 Exploring Operation: 37+31=68, Resulting Numbers: [86, 68] Generated Node #0,0,3: 35:[86, 68] Operation: 37+31=68 Moving to Node #0,0,2 Current State: 35:[31, 49], Operations: ['55-24=31', '86-37=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[37, 55], Operations: ['55-24=31', '86-31=55'] Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,35 unequal: No Solution Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[86, 6], Operations: ['55-24=31', '37-31=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[86, 68], Operations: ['55-24=31', '37+31=68'] Exploring Operation: 86*68=5848, Resulting Numbers: [5848] 5848,35 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 86+68=154, Resulting Numbers: [154] 154,35 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
[ 87, 5, 64, 11 ]
60
[ "87-64=23", "23-11=12", "5*12=60" ]
Current State: 60:[87, 5, 64, 11], Operations: [] Exploring Operation: 87-64=23, Resulting Numbers: [5, 11, 23] Generated Node #2: [5, 11, 23] from Operation: 87-64=23 Current State: 60:[5, 11, 23], Operations: ['87-64=23'] Exploring Operation: 23-11=12, Resulting Numbers: [5, 12] Generated Node #3: [5, 12] from Operation: 23-11=12 Current State: 60:[5, 12], Operations: ['87-64=23', '23-11=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[87, 5, 64, 11], Operations: [] Exploring Operation: 87-64=23, Resulting Numbers: [5, 11, 23] Generated Node #0,0: 60:[5, 11, 23] Operation: 87-64=23 Moving to Node #0,0 Current State: 60:[5, 11, 23], Operations: ['87-64=23'] Exploring Operation: 23-11=12, Resulting Numbers: [5, 12] Generated Node #0,0,0: 60:[5, 12] Operation: 23-11=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[5, 12], Operations: ['87-64=23', '23-11=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[87, 5, 64, 11], Operations: [] Exploring Operation: 87-64=23, Resulting Numbers: [5, 11, 23] Generated Node #0,0: 60:[5, 11, 23] Operation: 87-64=23 Moving to Node #0,0 Current State: 60:[5, 11, 23], Operations: ['87-64=23'] Exploring Operation: 23-11=12, Resulting Numbers: [5, 12] Generated Node #0,0,0: 60:[5, 12] Operation: 23-11=12 Moving to Node #0,0,0 Current State: 60:[5, 12], Operations: ['87-64=23', '23-11=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 8, 69, 95, 79 ]
71
[ "95-79=16", "16/8=2", "69+2=71" ]
Current State: 71:[8, 69, 95, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [8, 69, 16] Generated Node #2: [8, 69, 16] from Operation: 95-79=16 Current State: 71:[8, 69, 16], Operations: ['95-79=16'] Exploring Operation: 16/8=2, Resulting Numbers: [69, 2] Generated Node #3: [69, 2] from Operation: 16/8=2 Current State: 71:[69, 2], Operations: ['95-79=16', '16/8=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[8, 69, 95, 79], Operations: [] Exploring Operation: 8+69=77, Resulting Numbers: [95, 79, 77] Generated Node #0,0: 71:[95, 79, 77] Operation: 8+69=77 Exploring Operation: 69-8=61, Resulting Numbers: [95, 79, 61] Generated Node #0,1: 71:[95, 79, 61] Operation: 69-8=61 Exploring Operation: 79-8=71, Resulting Numbers: [69, 95, 71] Generated Node #0,2: 71:[69, 95, 71] Operation: 79-8=71 Exploring Operation: 95-8=87, Resulting Numbers: [69, 79, 87] Generated Node #0,3: 71:[69, 79, 87] Operation: 95-8=87 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[69, 95, 71], Operations: ['79-8=71'] Exploring Operation: 69+95=164, Resulting Numbers: [71, 164] Generated Node #0,2,0: 71:[71, 164] Operation: 69+95=164 Exploring Operation: 69+71=140, Resulting Numbers: [95, 140] Generated Node #0,2,1: 71:[95, 140] Operation: 69+71=140 Exploring Operation: 95-69=26, Resulting Numbers: [71, 26] Generated Node #0,2,2: 71:[71, 26] Operation: 95-69=26 Exploring Operation: 95-71=24, Resulting Numbers: [69, 24] Generated Node #0,2,3: 71:[69, 24] Operation: 95-71=24 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[71, 26], Operations: ['79-8=71', '95-69=26'] Exploring Operation: 71+26=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 71*26=1846, Resulting Numbers: [1846] 1846,71 unequal: No Solution Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,71 unequal: No Solution No 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: 71:[69, 24], Operations: ['79-8=71', '95-71=24'] Exploring Operation: 69+24=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 69*24=1656, Resulting Numbers: [1656] 1656,71 unequal: No Solution Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,71 unequal: No Solution No 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: 71:[71, 164], Operations: ['79-8=71', '69+95=164'] Exploring Operation: 71*164=11644, Resulting Numbers: [11644] 11644,71 unequal: No Solution Exploring Operation: 71+164=235, Resulting Numbers: [235] 235,71 unequal: No Solution Exploring Operation: 164-71=93, Resulting Numbers: [93] 93,71 unequal: No Solution No 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: 71:[95, 140], Operations: ['79-8=71', '69+71=140'] Exploring Operation: 95*140=13300, Resulting Numbers: [13300] 13300,71 unequal: No Solution Exploring Operation: 95+140=235, Resulting Numbers: [235] 235,71 unequal: No Solution Exploring Operation: 140-95=45, Resulting Numbers: [45] 45,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[69, 79, 87], Operations: ['95-8=87'] Exploring Operation: 79-69=10, Resulting Numbers: [87, 10] Generated Node #0,3,0: 71:[87, 10] Operation: 79-69=10 Exploring Operation: 87-79=8, Resulting Numbers: [69, 8] Generated Node #0,3,1: 71:[69, 8] Operation: 87-79=8 Exploring Operation: 69+79=148, Resulting Numbers: [87, 148] Generated Node #0,3,2: 71:[87, 148] Operation: 69+79=148 Exploring Operation: 87-69=18, Resulting Numbers: [79, 18] Generated Node #0,3,3: 71:[79, 18] Operation: 87-69=18 Moving to Node #0,3,3 Current State: 71:[79, 18], Operations: ['95-8=87', '87-69=18'] Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,71 unequal: No Solution Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[69, 8], Operations: ['95-8=87', '87-79=8'] Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[87, 10], Operations: ['95-8=87', '79-69=10'] Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[87, 148], Operations: ['95-8=87', '69+79=148'] Exploring Operation: 148-87=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 87*148=12876, Resulting Numbers: [12876] 12876,71 unequal: No Solution Exploring Operation: 87+148=235, Resulting Numbers: [235] 235,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[95, 79, 77], Operations: ['8+69=77'] Exploring Operation: 95-77=18, Resulting Numbers: [79, 18] Generated Node #0,0,0: 71:[79, 18] Operation: 95-77=18 Exploring Operation: 95+79=174, Resulting Numbers: [77, 174] Generated Node #0,0,1: 71:[77, 174] Operation: 95+79=174 Exploring Operation: 95-79=16, Resulting Numbers: [77, 16] Generated Node #0,0,2: 71:[77, 16] Operation: 95-79=16 Exploring Operation: 79-77=2, Resulting Numbers: [95, 2] Generated Node #0,0,3: 71:[95, 2] Operation: 79-77=2 Moving to Node #0,0,0 Current State: 71:[79, 18], Operations: ['8+69=77', '95-77=18'] Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[77, 16], Operations: ['8+69=77', '95-79=16'] Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,71 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[95, 2], Operations: ['8+69=77', '79-77=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 95*2=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[77, 174], Operations: ['8+69=77', '95+79=174'] Exploring Operation: 77*174=13398, Resulting Numbers: [13398] 13398,71 unequal: No Solution Exploring Operation: 77+174=251, Resulting Numbers: [251] 251,71 unequal: No Solution Exploring Operation: 174-77=97, Resulting Numbers: [97] 97,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[95, 79, 61], Operations: ['69-8=61'] Exploring Operation: 95+61=156, Resulting Numbers: [79, 156] Generated Node #0,1,0: 71:[79, 156] Operation: 95+61=156 Exploring Operation: 95-79=16, Resulting Numbers: [61, 16] Generated Node #0,1,1: 71:[61, 16] Operation: 95-79=16 Exploring Operation: 79-61=18, Resulting Numbers: [95, 18] Generated Node #0,1,2: 71:[95, 18] Operation: 79-61=18 Exploring Operation: 95-61=34, Resulting Numbers: [79, 34] Generated Node #0,1,3: 71:[79, 34] Operation: 95-61=34 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[79, 34], Operations: ['69-8=61', '95-61=34'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 79+34=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 79*34=2686, Resulting Numbers: [2686] 2686,71 unequal: No Solution No 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: 71:[61, 16], Operations: ['69-8=61', '95-79=16'] Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,71 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,71 unequal: No Solution No 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: 71:[95, 18], Operations: ['69-8=61', '79-61=18'] Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,71 unequal: No Solution No 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: 71:[79, 156], Operations: ['69-8=61', '95+61=156'] Exploring Operation: 156-79=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 79+156=235, Resulting Numbers: [235] 235,71 unequal: No Solution Exploring Operation: 79*156=12324, Resulting Numbers: [12324] 12324,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 80, 85, 99, 73 ]
31
[ "85-80=5", "99-73=26", "5+26=31" ]
Current State: 31:[80, 85, 99, 73], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [99, 73, 5] Generated Node #2: [99, 73, 5] from Operation: 85-80=5 Current State: 31:[99, 73, 5], Operations: ['85-80=5'] Exploring Operation: 99-73=26, Resulting Numbers: [5, 26] Generated Node #3: [5, 26] from Operation: 99-73=26 Current State: 31:[5, 26], Operations: ['85-80=5', '99-73=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[80, 85, 99, 73], Operations: [] Exploring Operation: 99-85=14, Resulting Numbers: [80, 73, 14] Generated Node #0,0: 31:[80, 73, 14] Operation: 99-85=14 Exploring Operation: 85-80=5, Resulting Numbers: [99, 73, 5] Generated Node #0,1: 31:[99, 73, 5] Operation: 85-80=5 Exploring Operation: 99-80=19, Resulting Numbers: [85, 73, 19] Generated Node #0,2: 31:[85, 73, 19] Operation: 99-80=19 Exploring Operation: 99-73=26, Resulting Numbers: [80, 85, 26] Generated Node #0,3: 31:[80, 85, 26] Operation: 99-73=26 Moving to Node #0,0 Current State: 31:[80, 73, 14], Operations: ['99-85=14'] Exploring Operation: 73-14=59, Resulting Numbers: [80, 59] Generated Node #0,0,0: 31:[80, 59] Operation: 73-14=59 Exploring Operation: 80+14=94, Resulting Numbers: [73, 94] Generated Node #0,0,1: 31:[73, 94] Operation: 80+14=94 Exploring Operation: 80-73=7, Resulting Numbers: [14, 7] Generated Node #0,0,2: 31:[14, 7] Operation: 80-73=7 Exploring Operation: 80-14=66, Resulting Numbers: [73, 66] Generated Node #0,0,3: 31:[73, 66] Operation: 80-14=66 Moving to Node #0,3 Current State: 31:[80, 85, 26], Operations: ['99-73=26'] Exploring Operation: 85-26=59, Resulting Numbers: [80, 59] Generated Node #0,3,0: 31:[80, 59] Operation: 85-26=59 Exploring Operation: 80+26=106, Resulting Numbers: [85, 106] Generated Node #0,3,1: 31:[85, 106] Operation: 80+26=106 Exploring Operation: 80-26=54, Resulting Numbers: [85, 54] Generated Node #0,3,2: 31:[85, 54] Operation: 80-26=54 Exploring Operation: 85-80=5, Resulting Numbers: [26, 5] Generated Node #0,3,3: 31:[26, 5] Operation: 85-80=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 31:[26, 5], Operations: ['99-73=26', '85-80=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,31 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[80, 85, 99, 73], Operations: [] Exploring Operation: 99-73=26, Resulting Numbers: [80, 85, 26] Generated Node #0,3: 31:[80, 85, 26] Operation: 99-73=26 Moving to Node #0,3 Current State: 31:[80, 85, 26], Operations: ['99-73=26'] Exploring Operation: 85-80=5, Resulting Numbers: [26, 5] Generated Node #0,3,3: 31:[26, 5] Operation: 85-80=5 Moving to Node #0,3,3 Current State: 31:[26, 5], Operations: ['99-73=26', '85-80=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 22, 92, 2, 58 ]
54
[ "22+92=114", "2+58=60", "114-60=54" ]
Current State: 54:[22, 92, 2, 58], Operations: [] Exploring Operation: 22+92=114, Resulting Numbers: [2, 58, 114] Generated Node #2: [2, 58, 114] from Operation: 22+92=114 Current State: 54:[2, 58, 114], Operations: ['22+92=114'] Exploring Operation: 2+58=60, Resulting Numbers: [114, 60] Generated Node #3: [114, 60] from Operation: 2+58=60 Current State: 54:[114, 60], Operations: ['22+92=114', '2+58=60'] Exploring Operation: 114-60=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[22, 92, 2, 58], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [22, 2, 34] Generated Node #0,0: 54:[22, 2, 34] Operation: 92-58=34 Moving to Node #0,0 Current State: 54:[22, 2, 34], Operations: ['92-58=34'] Exploring Operation: 22+34=56, Resulting Numbers: [2, 56] Generated Node #0,0,0: 54:[2, 56] Operation: 22+34=56 Moving to Node #0,0,0 Current State: 54:[2, 56], Operations: ['92-58=34', '22+34=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[22, 92, 2, 58], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [22, 2, 34] Generated Node #0,0: 54:[22, 2, 34] Operation: 92-58=34 Moving to Node #0,0 Current State: 54:[22, 2, 34], Operations: ['92-58=34'] Exploring Operation: 22+34=56, Resulting Numbers: [2, 56] Generated Node #0,0,0: 54:[2, 56] Operation: 22+34=56 Moving to Node #0,0,0 Current State: 54:[2, 56], Operations: ['92-58=34', '22+34=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 75, 92, 85, 28 ]
33
[ "92-75=17", "85/17=5", "28+5=33" ]
Current State: 33:[75, 92, 85, 28], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [85, 28, 17] Generated Node #2: [85, 28, 17] from Operation: 92-75=17 Current State: 33:[85, 28, 17], Operations: ['92-75=17'] Exploring Operation: 85/17=5, Resulting Numbers: [28, 5] Generated Node #3: [28, 5] from Operation: 85/17=5 Current State: 33:[28, 5], Operations: ['92-75=17', '85/17=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[75, 92, 85, 28], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [92, 28, 10] Generated Node #0,0: 33:[92, 28, 10] Operation: 85-75=10 Exploring Operation: 75-28=47, Resulting Numbers: [92, 85, 47] Generated Node #0,1: 33:[92, 85, 47] Operation: 75-28=47 Exploring Operation: 92-85=7, Resulting Numbers: [75, 28, 7] Generated Node #0,2: 33:[75, 28, 7] Operation: 92-85=7 Exploring Operation: 92-75=17, Resulting Numbers: [85, 28, 17] Generated Node #0,3: 33:[85, 28, 17] Operation: 92-75=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[75, 28, 7], Operations: ['92-85=7'] Exploring Operation: 28/7=4, Resulting Numbers: [75, 4] Generated Node #0,2,0: 33:[75, 4] Operation: 28/7=4 Exploring Operation: 28+7=35, Resulting Numbers: [75, 35] Generated Node #0,2,1: 33:[75, 35] Operation: 28+7=35 Exploring Operation: 75-28=47, Resulting Numbers: [7, 47] Generated Node #0,2,2: 33:[7, 47] Operation: 75-28=47 Exploring Operation: 75-7=68, Resulting Numbers: [28, 68] Generated Node #0,2,3: 33:[28, 68] Operation: 75-7=68 Moving to Node #0,2,2 Current State: 33:[7, 47], Operations: ['92-85=7', '75-28=47'] Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,33 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[28, 68], Operations: ['92-85=7', '75-7=68'] Exploring Operation: 28*68=1904, Resulting Numbers: [1904] 1904,33 unequal: No Solution Exploring Operation: 28+68=96, Resulting Numbers: [96] 96,33 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[75, 4], Operations: ['92-85=7', '28/7=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,33 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[75, 35], Operations: ['92-85=7', '28+7=35'] Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,33 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,33 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,33 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 #0,3 Current State: 33:[85, 28, 17], Operations: ['92-75=17'] Exploring Operation: 85-28=57, Resulting Numbers: [17, 57] Generated Node #0,3,0: 33:[17, 57] Operation: 85-28=57 Exploring Operation: 28-17=11, Resulting Numbers: [85, 11] Generated Node #0,3,1: 33:[85, 11] Operation: 28-17=11 Exploring Operation: 85-17=68, Resulting Numbers: [28, 68] Generated Node #0,3,2: 33:[28, 68] Operation: 85-17=68 Exploring Operation: 85/17=5, Resulting Numbers: [28, 5] Generated Node #0,3,3: 33:[28, 5] Operation: 85/17=5 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[28, 5], Operations: ['92-75=17', '85/17=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,33 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[75, 92, 85, 28], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [85, 28, 17] Generated Node #0,3: 33:[85, 28, 17] Operation: 92-75=17 Moving to Node #0,3 Current State: 33:[85, 28, 17], Operations: ['92-75=17'] Exploring Operation: 85/17=5, Resulting Numbers: [28, 5] Generated Node #0,3,3: 33:[28, 5] Operation: 85/17=5 Moving to Node #0,3,3 Current State: 33:[28, 5], Operations: ['92-75=17', '85/17=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 54, 52, 35, 2 ]
20
[ "52-35=17", "2*17=34", "54-34=20" ]
Current State: 20:[54, 52, 35, 2], Operations: [] Exploring Operation: 52-35=17, Resulting Numbers: [54, 2, 17] Generated Node #2: [54, 2, 17] from Operation: 52-35=17 Current State: 20:[54, 2, 17], Operations: ['52-35=17'] Exploring Operation: 2*17=34, Resulting Numbers: [54, 34] Generated Node #3: [54, 34] from Operation: 2*17=34 Current State: 20:[54, 34], Operations: ['52-35=17', '2*17=34'] Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[54, 52, 35, 2], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [54, 35, 26] Generated Node #0,0: 20:[54, 35, 26] Operation: 52/2=26 Exploring Operation: 52-35=17, Resulting Numbers: [54, 2, 17] Generated Node #0,1: 20:[54, 2, 17] Operation: 52-35=17 Exploring Operation: 54/2=27, Resulting Numbers: [52, 35, 27] Generated Node #0,2: 20:[52, 35, 27] Operation: 54/2=27 Exploring Operation: 54-35=19, Resulting Numbers: [52, 2, 19] Generated Node #0,3: 20:[52, 2, 19] Operation: 54-35=19 Exploring Operation: 54-52=2, Resulting Numbers: [35, 2, 2] Generated Node #0,4: 20:[35, 2, 2] Operation: 54-52=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[35, 2, 2], Operations: ['54-52=2'] Exploring Operation: 35-2=33, Resulting Numbers: [2, 33] Generated Node #0,4,0: 20:[2, 33] Operation: 35-2=33 Exploring Operation: 2+2=4, Resulting Numbers: [35, 4] Generated Node #0,4,1: 20:[35, 4] Operation: 2+2=4 Exploring Operation: 35-2=33, Resulting Numbers: [2, 33] Generated Node #0,4,2: 20:[2, 33] Operation: 35-2=33 Exploring Operation: 2/2=1, Resulting Numbers: [35, 1] Generated Node #0,4,3: 20:[35, 1] Operation: 2/2=1 Exploring Operation: 2*2=4, Resulting Numbers: [35, 4] Generated Node #0,4,4: 20:[35, 4] Operation: 2*2=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 20:[2, 33], Operations: ['54-52=2', '35-2=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 20:[2, 33], Operations: ['54-52=2', '35-2=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 20:[35, 4], Operations: ['54-52=2', '2+2=4'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 20:[35, 4], Operations: ['54-52=2', '2*2=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,20 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 20:[35, 1], Operations: ['54-52=2', '2/2=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[52, 2, 19], Operations: ['54-35=19'] Exploring Operation: 2+19=21, Resulting Numbers: [52, 21] Generated Node #0,3,0: 20:[52, 21] Operation: 2+19=21 Exploring Operation: 52-19=33, Resulting Numbers: [2, 33] Generated Node #0,3,1: 20:[2, 33] Operation: 52-19=33 Exploring Operation: 52-2=50, Resulting Numbers: [19, 50] Generated Node #0,3,2: 20:[19, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [19, 26] Generated Node #0,3,3: 20:[19, 26] Operation: 52/2=26 Exploring Operation: 52+2=54, Resulting Numbers: [19, 54] Generated Node #0,3,4: 20:[19, 54] Operation: 52+2=54 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[19, 26], Operations: ['54-35=19', '52/2=26'] Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,20 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[2, 33], Operations: ['54-35=19', '52-19=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[19, 50], Operations: ['54-35=19', '52-2=50'] Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,20 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[52, 21], Operations: ['54-35=19', '2+19=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 20:[19, 54], Operations: ['54-35=19', '52+2=54'] Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,20 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[54, 2, 17], Operations: ['52-35=17'] Exploring Operation: 54+2=56, Resulting Numbers: [17, 56] Generated Node #0,1,0: 20:[17, 56] Operation: 54+2=56 Exploring Operation: 54-17=37, Resulting Numbers: [2, 37] Generated Node #0,1,1: 20:[2, 37] Operation: 54-17=37 Exploring Operation: 2+17=19, Resulting Numbers: [54, 19] Generated Node #0,1,2: 20:[54, 19] Operation: 2+17=19 Exploring Operation: 54/2=27, Resulting Numbers: [17, 27] Generated Node #0,1,3: 20:[17, 27] Operation: 54/2=27 Exploring Operation: 54-2=52, Resulting Numbers: [17, 52] Generated Node #0,1,4: 20:[17, 52] Operation: 54-2=52 Moving to Node #0,1,3 Current State: 20:[17, 27], Operations: ['52-35=17', '54/2=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,20 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,20 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[2, 37], Operations: ['52-35=17', '54-17=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[54, 19], Operations: ['52-35=17', '2+17=19'] Exploring Operation: 54*19=1026, Resulting Numbers: [1026] 1026,20 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,20 unequal: No Solution Moving to Node #0,1,4 Current State: 20:[17, 52], Operations: ['52-35=17', '54-2=52'] Exploring Operation: 17+52=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 17*52=884, Resulting Numbers: [884] 884,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[17, 56], Operations: ['52-35=17', '54+2=56'] Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 17*56=952, Resulting Numbers: [952] 952,20 unequal: No Solution Exploring Operation: 17+56=73, Resulting Numbers: [73] 73,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[52, 35, 27], Operations: ['54/2=27'] Exploring Operation: 52-35=17, Resulting Numbers: [27, 17] Generated Node #0,2,0: 20:[27, 17] Operation: 52-35=17 Exploring Operation: 52+35=87, Resulting Numbers: [27, 87] Generated Node #0,2,1: 20:[27, 87] Operation: 52+35=87 Exploring Operation: 52+27=79, Resulting Numbers: [35, 79] Generated Node #0,2,2: 20:[35, 79] Operation: 52+27=79 Exploring Operation: 52-27=25, Resulting Numbers: [35, 25] Generated Node #0,2,3: 20:[35, 25] Operation: 52-27=25 Exploring Operation: 35-27=8, Resulting Numbers: [52, 8] Generated Node #0,2,4: 20:[52, 8] Operation: 35-27=8 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[27, 17], Operations: ['54/2=27', '52-35=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,20 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[35, 25], Operations: ['54/2=27', '52-27=25'] Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 20:[52, 8], Operations: ['54/2=27', '35-27=8'] Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,20 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[27, 87], Operations: ['54/2=27', '52+35=87'] Exploring Operation: 27*87=2349, Resulting Numbers: [2349] 2349,20 unequal: No Solution Exploring Operation: 27+87=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[35, 79], Operations: ['54/2=27', '52+27=79'] Exploring Operation: 35+79=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,20 unequal: No Solution Exploring Operation: 35*79=2765, Resulting Numbers: [2765] 2765,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[54, 35, 26], Operations: ['52/2=26'] Exploring Operation: 54+26=80, Resulting Numbers: [35, 80] Generated Node #0,0,0: 20:[35, 80] Operation: 54+26=80 Exploring Operation: 54+35=89, Resulting Numbers: [26, 89] Generated Node #0,0,1: 20:[26, 89] Operation: 54+35=89 Exploring Operation: 35-26=9, Resulting Numbers: [54, 9] Generated Node #0,0,2: 20:[54, 9] Operation: 35-26=9 Exploring Operation: 54-35=19, Resulting Numbers: [26, 19] Generated Node #0,0,3: 20:[26, 19] Operation: 54-35=19 Exploring Operation: 54-26=28, Resulting Numbers: [35, 28] Generated Node #0,0,4: 20:[35, 28] Operation: 54-26=28 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[26, 19], Operations: ['52/2=26', '54-35=19'] Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 20:[35, 28], Operations: ['52/2=26', '54-26=28'] Exploring Operation: 35*28=980, Resulting Numbers: [980] 980,20 unequal: No Solution Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[54, 9], Operations: ['52/2=26', '35-26=9'] Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,20 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[35, 80], Operations: ['52/2=26', '54+26=80'] Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,20 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[26, 89], Operations: ['52/2=26', '54+35=89'] Exploring Operation: 26*89=2314, Resulting Numbers: [2314] 2314,20 unequal: No Solution Exploring Operation: 26+89=115, Resulting Numbers: [115] 115,20 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 3, 2, 8, 20 ]
45
[ "8-3=5", "2*20=40", "5+40=45" ]
Current State: 45:[3, 2, 8, 20], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [2, 20, 5] Generated Node #2: [2, 20, 5] from Operation: 8-3=5 Current State: 45:[2, 20, 5], Operations: ['8-3=5'] Exploring Operation: 2*20=40, Resulting Numbers: [5, 40] Generated Node #3: [5, 40] from Operation: 2*20=40 Current State: 45:[5, 40], Operations: ['8-3=5', '2*20=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[3, 2, 8, 20], Operations: [] Exploring Operation: 20-3=17, Resulting Numbers: [2, 8, 17] Generated Node #0,0: 45:[2, 8, 17] Operation: 20-3=17 Exploring Operation: 20/2=10, Resulting Numbers: [3, 8, 10] Generated Node #0,1: 45:[3, 8, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[3, 8, 10], Operations: ['20/2=10'] Exploring Operation: 10-8=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 45:[3, 2] Operation: 10-8=2 Exploring Operation: 8-3=5, Resulting Numbers: [10, 5] Generated Node #0,1,1: 45:[10, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[3, 2], Operations: ['20/2=10', '10-8=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[10, 5], Operations: ['20/2=10', '8-3=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[2, 8, 17], Operations: ['20-3=17'] Exploring Operation: 17-8=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 45:[2, 9] Operation: 17-8=9 Exploring Operation: 17-2=15, Resulting Numbers: [8, 15] Generated Node #0,0,1: 45:[8, 15] Operation: 17-2=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[2, 9], Operations: ['20-3=17', '17-8=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[8, 15], Operations: ['20-3=17', '17-2=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 14, 61, 2, 13 ]
73
[ "61-14=47", "2*13=26", "47+26=73" ]
Current State: 73:[14, 61, 2, 13], Operations: [] Exploring Operation: 61-14=47, Resulting Numbers: [2, 13, 47] Generated Node #2: [2, 13, 47] from Operation: 61-14=47 Current State: 73:[2, 13, 47], Operations: ['61-14=47'] Exploring Operation: 2*13=26, Resulting Numbers: [47, 26] Generated Node #3: [47, 26] from Operation: 2*13=26 Current State: 73:[47, 26], Operations: ['61-14=47', '2*13=26'] Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[14, 61, 2, 13], Operations: [] Exploring Operation: 14+13=27, Resulting Numbers: [61, 2, 27] Generated Node #0,0: 73:[61, 2, 27] Operation: 14+13=27 Exploring Operation: 14+2=16, Resulting Numbers: [61, 13, 16] Generated Node #0,1: 73:[61, 13, 16] Operation: 14+2=16 Exploring Operation: 2*13=26, Resulting Numbers: [14, 61, 26] Generated Node #0,2: 73:[14, 61, 26] Operation: 2*13=26 Exploring Operation: 14*2=28, Resulting Numbers: [61, 13, 28] Generated Node #0,3: 73:[61, 13, 28] Operation: 14*2=28 Moving to Node #0,3 Current State: 73:[61, 13, 28], Operations: ['14*2=28'] Exploring Operation: 28-13=15, Resulting Numbers: [61, 15] Generated Node #0,3,0: 73:[61, 15] Operation: 28-13=15 Exploring Operation: 13+28=41, Resulting Numbers: [61, 41] Generated Node #0,3,1: 73:[61, 41] Operation: 13+28=41 Exploring Operation: 61+13=74, Resulting Numbers: [28, 74] Generated Node #0,3,2: 73:[28, 74] Operation: 61+13=74 Exploring Operation: 61-13=48, Resulting Numbers: [28, 48] Generated Node #0,3,3: 73:[28, 48] Operation: 61-13=48 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[61, 41], Operations: ['14*2=28', '13+28=41'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,73 unequal: No Solution Exploring Operation: 61*41=2501, Resulting Numbers: [2501] 2501,73 unequal: No Solution Exploring Operation: 61+41=102, Resulting Numbers: [102] 102,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[28, 74], Operations: ['14*2=28', '61+13=74'] Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 28*74=2072, Resulting Numbers: [2072] 2072,73 unequal: No Solution Exploring Operation: 28+74=102, Resulting Numbers: [102] 102,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[61, 15], Operations: ['14*2=28', '28-13=15'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,73 unequal: No Solution Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[28, 48], Operations: ['14*2=28', '61-13=48'] Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,73 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,73 unequal: No Solution Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,73 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: 73:[14, 61, 26], Operations: ['2*13=26'] Exploring Operation: 61-14=47, Resulting Numbers: [26, 47] Generated Node #0,2,0: 73:[26, 47] Operation: 61-14=47 Exploring Operation: 14+61=75, Resulting Numbers: [26, 75] Generated Node #0,2,1: 73:[26, 75] Operation: 14+61=75 Exploring Operation: 26-14=12, Resulting Numbers: [61, 12] Generated Node #0,2,2: 73:[61, 12] Operation: 26-14=12 Exploring Operation: 14+26=40, Resulting Numbers: [61, 40] Generated Node #0,2,3: 73:[61, 40] Operation: 14+26=40 Moving to Node #0,1 Current State: 73:[61, 13, 16], Operations: ['14+2=16'] Exploring Operation: 61+16=77, Resulting Numbers: [13, 77] Generated Node #0,1,0: 73:[13, 77] Operation: 61+16=77 Exploring Operation: 61-13=48, Resulting Numbers: [16, 48] Generated Node #0,1,1: 73:[16, 48] Operation: 61-13=48 Exploring Operation: 61+13=74, Resulting Numbers: [16, 74] Generated Node #0,1,2: 73:[16, 74] Operation: 61+13=74 Exploring Operation: 13+16=29, Resulting Numbers: [61, 29] Generated Node #0,1,3: 73:[61, 29] Operation: 13+16=29 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[61, 29], Operations: ['14+2=16', '13+16=29'] Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,73 unequal: No Solution Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[16, 74], Operations: ['14+2=16', '61+13=74'] Exploring Operation: 16+74=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 16*74=1184, Resulting Numbers: [1184] 1184,73 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[13, 77], Operations: ['14+2=16', '61+16=77'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,73 unequal: No Solution Exploring Operation: 13+77=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 13*77=1001, Resulting Numbers: [1001] 1001,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[16, 48], Operations: ['14+2=16', '61-13=48'] Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,73 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,73 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 73:[61, 2, 27], Operations: ['14+13=27'] Exploring Operation: 2+27=29, Resulting Numbers: [61, 29] Generated Node #0,0,0: 73:[61, 29] Operation: 2+27=29 Exploring Operation: 61+2=63, Resulting Numbers: [27, 63] Generated Node #0,0,1: 73:[27, 63] Operation: 61+2=63 Exploring Operation: 2*27=54, Resulting Numbers: [61, 54] Generated Node #0,0,2: 73:[61, 54] Operation: 2*27=54 Exploring Operation: 61-2=59, Resulting Numbers: [27, 59] Generated Node #0,0,3: 73:[27, 59] Operation: 61-2=59 Moving to Node #0,0,2 Current State: 73:[61, 54], Operations: ['14+13=27', '2*27=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,73 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[61, 40], Operations: ['2*13=26', '14+26=40'] Exploring Operation: 61*40=2440, Resulting Numbers: [2440] 2440,73 unequal: No Solution Exploring Operation: 61+40=101, Resulting Numbers: [101] 101,73 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[26, 75], Operations: ['2*13=26', '14+61=75'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,73 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[61, 29], Operations: ['14+13=27', '2+27=29'] Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,73 unequal: No Solution Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[27, 63], Operations: ['14+13=27', '61+2=63'] Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[27, 59], Operations: ['14+13=27', '61-2=59'] Exploring Operation: 27*59=1593, Resulting Numbers: [1593] 1593,73 unequal: No Solution Exploring Operation: 27+59=86, Resulting Numbers: [86] 86,73 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[61, 12], Operations: ['2*13=26', '26-14=12'] Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[14, 61, 2, 13], Operations: [] Exploring Operation: 2*13=26, Resulting Numbers: [14, 61, 26] Generated Node #0,2: 73:[14, 61, 26] Operation: 2*13=26 Moving to Node #0,2 Current State: 73:[14, 61, 26], Operations: ['2*13=26'] Exploring Operation: 26-14=12, Resulting Numbers: [61, 12] Generated Node #0,2,2: 73:[61, 12] Operation: 26-14=12 Moving to Node #0,2,2 Current State: 73:[61, 12], Operations: ['2*13=26', '26-14=12'] Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.940104
hs_4
mult_heuristic
[ 82, 79, 76, 2 ]
83
[ "82+79=161", "76+2=78", "161-78=83" ]
Current State: 83:[82, 79, 76, 2], Operations: [] Exploring Operation: 82+79=161, Resulting Numbers: [76, 2, 161] Generated Node #2: [76, 2, 161] from Operation: 82+79=161 Current State: 83:[76, 2, 161], Operations: ['82+79=161'] Exploring Operation: 76+2=78, Resulting Numbers: [161, 78] Generated Node #3: [161, 78] from Operation: 76+2=78 Current State: 83:[161, 78], Operations: ['82+79=161', '76+2=78'] Exploring Operation: 161-78=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[82, 79, 76, 2], Operations: [] Exploring Operation: 76+2=78, Resulting Numbers: [82, 79, 78] Generated Node #0,0: 83:[82, 79, 78] Operation: 76+2=78 Exploring Operation: 79-2=77, Resulting Numbers: [82, 76, 77] Generated Node #0,1: 83:[82, 76, 77] Operation: 79-2=77 Exploring Operation: 82+2=84, Resulting Numbers: [79, 76, 84] Generated Node #0,2: 83:[79, 76, 84] Operation: 82+2=84 Exploring Operation: 79+2=81, Resulting Numbers: [82, 76, 81] Generated Node #0,3: 83:[82, 76, 81] Operation: 79+2=81 Exploring Operation: 82-2=80, Resulting Numbers: [79, 76, 80] Generated Node #0,4: 83:[79, 76, 80] Operation: 82-2=80 Moving to Node #0,0 Current State: 83:[82, 79, 78], Operations: ['76+2=78'] Exploring Operation: 82+78=160, Resulting Numbers: [79, 160] Generated Node #0,0,0: 83:[79, 160] Operation: 82+78=160 Exploring Operation: 79+78=157, Resulting Numbers: [82, 157] Generated Node #0,0,1: 83:[82, 157] Operation: 79+78=157 Exploring Operation: 82-78=4, Resulting Numbers: [79, 4] Generated Node #0,0,2: 83:[79, 4] Operation: 82-78=4 Exploring Operation: 82+79=161, Resulting Numbers: [78, 161] Generated Node #0,0,3: 83:[78, 161] Operation: 82+79=161 Exploring Operation: 79-78=1, Resulting Numbers: [82, 1] Generated Node #0,0,4: 83:[82, 1] Operation: 79-78=1 Moving to Node #0,3 Current State: 83:[82, 76, 81], Operations: ['79+2=81'] Exploring Operation: 82+76=158, Resulting Numbers: [81, 158] Generated Node #0,3,0: 83:[81, 158] Operation: 82+76=158 Exploring Operation: 76+81=157, Resulting Numbers: [82, 157] Generated Node #0,3,1: 83:[82, 157] Operation: 76+81=157 Exploring Operation: 82-76=6, Resulting Numbers: [81, 6] Generated Node #0,3,2: 83:[81, 6] Operation: 82-76=6 Exploring Operation: 82+81=163, Resulting Numbers: [76, 163] Generated Node #0,3,3: 83:[76, 163] Operation: 82+81=163 Exploring Operation: 81-76=5, Resulting Numbers: [82, 5] Generated Node #0,3,4: 83:[82, 5] Operation: 81-76=5 Moving to Node #0,2 Current State: 83:[79, 76, 84], Operations: ['82+2=84'] Exploring Operation: 84-76=8, Resulting Numbers: [79, 8] Generated Node #0,2,0: 83:[79, 8] Operation: 84-76=8 Exploring Operation: 76+84=160, Resulting Numbers: [79, 160] Generated Node #0,2,1: 83:[79, 160] Operation: 76+84=160 Exploring Operation: 79-76=3, Resulting Numbers: [84, 3] Generated Node #0,2,2: 83:[84, 3] Operation: 79-76=3 Exploring Operation: 79+76=155, Resulting Numbers: [84, 155] Generated Node #0,2,3: 83:[84, 155] Operation: 79+76=155 Exploring Operation: 84-79=5, Resulting Numbers: [76, 5] Generated Node #0,2,4: 83:[76, 5] Operation: 84-79=5 Moving to Node #0,1 Current State: 83:[82, 76, 77], Operations: ['79-2=77'] Exploring Operation: 77-76=1, Resulting Numbers: [82, 1] Generated Node #0,1,0: 83:[82, 1] Operation: 77-76=1 Exploring Operation: 82-76=6, Resulting Numbers: [77, 6] Generated Node #0,1,1: 83:[77, 6] Operation: 82-76=6 Exploring Operation: 76+77=153, Resulting Numbers: [82, 153] Generated Node #0,1,2: 83:[82, 153] Operation: 76+77=153 Exploring Operation: 82+77=159, Resulting Numbers: [76, 159] Generated Node #0,1,3: 83:[76, 159] Operation: 82+77=159 Exploring Operation: 82+76=158, Resulting Numbers: [77, 158] Generated Node #0,1,4: 83:[77, 158] Operation: 82+76=158 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[82, 153], Operations: ['79-2=77', '76+77=153'] Exploring Operation: 82+153=235, Resulting Numbers: [235] 235,83 unequal: No Solution Exploring Operation: 153-82=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 82*153=12546, Resulting Numbers: [12546] 12546,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 83:[77, 158], Operations: ['79-2=77', '82+76=158'] Exploring Operation: 158-77=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 77*158=12166, Resulting Numbers: [12166] 12166,83 unequal: No Solution Exploring Operation: 77+158=235, Resulting Numbers: [235] 235,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[82, 1], Operations: ['79-2=77', '77-76=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[82, 79, 76, 2], Operations: [] Exploring Operation: 79-2=77, Resulting Numbers: [82, 76, 77] Generated Node #0,1: 83:[82, 76, 77] Operation: 79-2=77 Moving to Node #0,1 Current State: 83:[82, 76, 77], Operations: ['79-2=77'] Exploring Operation: 77-76=1, Resulting Numbers: [82, 1] Generated Node #0,1,0: 83:[82, 1] Operation: 77-76=1 Moving to Node #0,1,0 Current State: 83:[82, 1], Operations: ['79-2=77', '77-76=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 33, 15, 54, 1 ]
36
[ "33-15=18", "54*1=54", "54-18=36" ]
Current State: 36:[33, 15, 54, 1], Operations: [] Exploring Operation: 33-15=18, Resulting Numbers: [54, 1, 18] Generated Node #2: [54, 1, 18] from Operation: 33-15=18 Current State: 36:[54, 1, 18], Operations: ['33-15=18'] Exploring Operation: 54*1=54, Resulting Numbers: [18, 54] Generated Node #3: [18, 54] from Operation: 54*1=54 Current State: 36:[18, 54], Operations: ['33-15=18', '54*1=54'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[33, 15, 54, 1], Operations: [] Exploring Operation: 54-15=39, Resulting Numbers: [33, 1, 39] Generated Node #0,0: 36:[33, 1, 39] Operation: 54-15=39 Exploring Operation: 33-15=18, Resulting Numbers: [54, 1, 18] Generated Node #0,1: 36:[54, 1, 18] Operation: 33-15=18 Exploring Operation: 54-33=21, Resulting Numbers: [15, 1, 21] Generated Node #0,2: 36:[15, 1, 21] Operation: 54-33=21 Exploring Operation: 33+1=34, Resulting Numbers: [15, 54, 34] Generated Node #0,3: 36:[15, 54, 34] Operation: 33+1=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[33, 1, 39], Operations: ['54-15=39'] Exploring Operation: 39-1=38, Resulting Numbers: [33, 38] Generated Node #0,0,0: 36:[33, 38] Operation: 39-1=38 Exploring Operation: 33*1=33, Resulting Numbers: [39, 33] Generated Node #0,0,1: 36:[39, 33] Operation: 33*1=33 Exploring Operation: 39-33=6, Resulting Numbers: [1, 6] Generated Node #0,0,2: 36:[1, 6] Operation: 39-33=6 Exploring Operation: 33+1=34, Resulting Numbers: [39, 34] Generated Node #0,0,3: 36:[39, 34] Operation: 33+1=34 Moving to Node #0,0,2 Current State: 36:[1, 6], Operations: ['54-15=39', '39-33=6'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[39, 34], Operations: ['54-15=39', '33+1=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,36 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,36 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[33, 38], Operations: ['54-15=39', '39-1=38'] Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,36 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[39, 33], Operations: ['54-15=39', '33*1=33'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,36 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[15, 1, 21], Operations: ['54-33=21'] Exploring Operation: 21-15=6, Resulting Numbers: [1, 6] Generated Node #0,2,0: 36:[1, 6] Operation: 21-15=6 Exploring Operation: 15+1=16, Resulting Numbers: [21, 16] Generated Node #0,2,1: 36:[21, 16] Operation: 15+1=16 Exploring Operation: 15-1=14, Resulting Numbers: [21, 14] Generated Node #0,2,2: 36:[21, 14] Operation: 15-1=14 Exploring Operation: 15+21=36, Resulting Numbers: [1, 36] Generated Node #0,2,3: 36:[1, 36] Operation: 15+21=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[1, 6], Operations: ['54-33=21', '21-15=6'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 36:[1, 36], Operations: ['54-33=21', '15+21=36'] Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[33, 15, 54, 1], Operations: [] Exploring Operation: 54-33=21, Resulting Numbers: [15, 1, 21] Generated Node #0,2: 36:[15, 1, 21] Operation: 54-33=21 Moving to Node #0,2 Current State: 36:[15, 1, 21], Operations: ['54-33=21'] Exploring Operation: 15+21=36, Resulting Numbers: [1, 36] Generated Node #0,2,3: 36:[1, 36] Operation: 15+21=36 Moving to Node #0,2,3 Current State: 36:[1, 36], Operations: ['54-33=21', '15+21=36'] Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 30, 38, 31, 82 ]
14
[ "38*31=1178", "1178-30=1148", "1148/82=14" ]
Current State: 14:[30, 38, 31, 82], Operations: [] Exploring Operation: 38*31=1178, Resulting Numbers: [30, 82, 1178] Generated Node #2: [30, 82, 1178] from Operation: 38*31=1178 Current State: 14:[30, 82, 1178], Operations: ['38*31=1178'] Exploring Operation: 1178-30=1148, Resulting Numbers: [82, 1148] Generated Node #3: [82, 1148] from Operation: 1178-30=1148 Current State: 14:[82, 1148], Operations: ['38*31=1178', '1178-30=1148'] Exploring Operation: 1148/82=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[30, 38, 31, 82], Operations: [] Exploring Operation: 82-31=51, Resulting Numbers: [30, 38, 51] Generated Node #0,0: 14:[30, 38, 51] Operation: 82-31=51 Exploring Operation: 82-38=44, Resulting Numbers: [30, 31, 44] Generated Node #0,1: 14:[30, 31, 44] Operation: 82-38=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[30, 31, 44], Operations: ['82-38=44'] Exploring Operation: 44-30=14, Resulting Numbers: [31, 14] Generated Node #0,1,0: 14:[31, 14] Operation: 44-30=14 Exploring Operation: 44-31=13, Resulting Numbers: [30, 13] Generated Node #0,1,1: 14:[30, 13] Operation: 44-31=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[31, 14], Operations: ['82-38=44', '44-30=14'] Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 14:[30, 13], Operations: ['82-38=44', '44-31=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[30, 38, 51], Operations: ['82-31=51'] Exploring Operation: 51-30=21, Resulting Numbers: [38, 21] Generated Node #0,0,0: 14:[38, 21] Operation: 51-30=21 Exploring Operation: 51-38=13, Resulting Numbers: [30, 13] Generated Node #0,0,1: 14:[30, 13] Operation: 51-38=13 Moving to Node #0,0,1 Current State: 14:[30, 13], Operations: ['82-31=51', '51-38=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[38, 21], Operations: ['82-31=51', '51-30=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,14 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,14 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
[ 47, 42, 32, 3 ]
19
[ "47+42=89", "89-32=57", "57/3=19" ]
Current State: 19:[47, 42, 32, 3], Operations: [] Exploring Operation: 47+42=89, Resulting Numbers: [32, 3, 89] Generated Node #2: [32, 3, 89] from Operation: 47+42=89 Current State: 19:[32, 3, 89], Operations: ['47+42=89'] Exploring Operation: 89-32=57, Resulting Numbers: [3, 57] Generated Node #3: [3, 57] from Operation: 89-32=57 Current State: 19:[3, 57], Operations: ['47+42=89', '89-32=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[47, 42, 32, 3], Operations: [] Exploring Operation: 47-3=44, Resulting Numbers: [42, 32, 44] Generated Node #0,0: 19:[42, 32, 44] Operation: 47-3=44 Exploring Operation: 42-32=10, Resulting Numbers: [47, 3, 10] Generated Node #0,1: 19:[47, 3, 10] Operation: 42-32=10 Exploring Operation: 47-42=5, Resulting Numbers: [32, 3, 5] Generated Node #0,2: 19:[32, 3, 5] Operation: 47-42=5 Exploring Operation: 47-32=15, Resulting Numbers: [42, 3, 15] Generated Node #0,3: 19:[42, 3, 15] Operation: 47-32=15 Exploring Operation: 42/3=14, Resulting Numbers: [47, 32, 14] Generated Node #0,4: 19:[47, 32, 14] Operation: 42/3=14 Moving to Node #0,2 Current State: 19:[32, 3, 5], Operations: ['47-42=5'] Exploring Operation: 32+3=35, Resulting Numbers: [5, 35] Generated Node #0,2,0: 19:[5, 35] Operation: 32+3=35 Exploring Operation: 3+5=8, Resulting Numbers: [32, 8] Generated Node #0,2,1: 19:[32, 8] Operation: 3+5=8 Exploring Operation: 32-5=27, Resulting Numbers: [3, 27] Generated Node #0,2,2: 19:[3, 27] Operation: 32-5=27 Exploring Operation: 32-3=29, Resulting Numbers: [5, 29] Generated Node #0,2,3: 19:[5, 29] Operation: 32-3=29 Exploring Operation: 3*5=15, Resulting Numbers: [32, 15] Generated Node #0,2,4: 19:[32, 15] Operation: 3*5=15 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 19:[32, 15], Operations: ['47-42=5', '3*5=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,19 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,19 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 #0,2,1 Current State: 19:[32, 8], Operations: ['47-42=5', '3+5=8'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 32*8=256, Resulting Numbers: [256] 256,19 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,19 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 #0,2,2 Current State: 19:[3, 27], Operations: ['47-42=5', '32-5=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,19 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,19 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 #0,2,3 Current State: 19:[5, 29], Operations: ['47-42=5', '32-3=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,19 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,19 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 #0,2,0 Current State: 19:[5, 35], Operations: ['47-42=5', '32+3=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,19 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: 19:[42, 3, 15], Operations: ['47-32=15'] Exploring Operation: 42-15=27, Resulting Numbers: [3, 27] Generated Node #0,3,0: 19:[3, 27] Operation: 42-15=27 Exploring Operation: 3+15=18, Resulting Numbers: [42, 18] Generated Node #0,3,1: 19:[42, 18] Operation: 3+15=18 Exploring Operation: 42/3=14, Resulting Numbers: [15, 14] Generated Node #0,3,2: 19:[15, 14] Operation: 42/3=14 Exploring Operation: 42-3=39, Resulting Numbers: [15, 39] Generated Node #0,3,3: 19:[15, 39] Operation: 42-3=39 Exploring Operation: 42+3=45, Resulting Numbers: [15, 45] Generated Node #0,3,4: 19:[15, 45] Operation: 42+3=45 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[15, 14], Operations: ['47-32=15', '42/3=14'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,19 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 #0,3,0 Current State: 19:[3, 27], Operations: ['47-32=15', '42-15=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,19 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,19 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 #0,3,1 Current State: 19:[42, 18], Operations: ['47-32=15', '3+15=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,19 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,19 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 #0,3,3 Current State: 19:[15, 39], Operations: ['47-32=15', '42-3=39'] Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,19 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 #0,3,4 Current State: 19:[15, 45], Operations: ['47-32=15', '42+3=45'] Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 15*45=675, Resulting Numbers: [675] 675,19 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,19 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: 19:[47, 32, 14], Operations: ['42/3=14'] Exploring Operation: 32-14=18, Resulting Numbers: [47, 18] Generated Node #0,4,0: 19:[47, 18] Operation: 32-14=18 Exploring Operation: 47+14=61, Resulting Numbers: [32, 61] Generated Node #0,4,1: 19:[32, 61] Operation: 47+14=61 Exploring Operation: 32+14=46, Resulting Numbers: [47, 46] Generated Node #0,4,2: 19:[47, 46] Operation: 32+14=46 Exploring Operation: 47-32=15, Resulting Numbers: [14, 15] Generated Node #0,4,3: 19:[14, 15] Operation: 47-32=15 Exploring Operation: 47-14=33, Resulting Numbers: [32, 33] Generated Node #0,4,4: 19:[32, 33] Operation: 47-14=33 Moving to Node #0,1 Current State: 19:[47, 3, 10], Operations: ['42-32=10'] Exploring Operation: 3+10=13, Resulting Numbers: [47, 13] Generated Node #0,1,0: 19:[47, 13] Operation: 3+10=13 Exploring Operation: 3*10=30, Resulting Numbers: [47, 30] Generated Node #0,1,1: 19:[47, 30] Operation: 3*10=30 Exploring Operation: 47-3=44, Resulting Numbers: [10, 44] Generated Node #0,1,2: 19:[10, 44] Operation: 47-3=44 Exploring Operation: 47-10=37, Resulting Numbers: [3, 37] Generated Node #0,1,3: 19:[3, 37] Operation: 47-10=37 Exploring Operation: 47+3=50, Resulting Numbers: [10, 50] Generated Node #0,1,4: 19:[10, 50] Operation: 47+3=50 Moving to Node #0,0 Current State: 19:[42, 32, 44], Operations: ['47-3=44'] Exploring Operation: 44-42=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 19:[32, 2] Operation: 44-42=2 Exploring Operation: 44-32=12, Resulting Numbers: [42, 12] Generated Node #0,0,1: 19:[42, 12] Operation: 44-32=12 Exploring Operation: 42-32=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 19:[44, 10] Operation: 42-32=10 Exploring Operation: 42+44=86, Resulting Numbers: [32, 86] Generated Node #0,0,3: 19:[32, 86] Operation: 42+44=86 Exploring Operation: 42+32=74, Resulting Numbers: [44, 74] Generated Node #0,0,4: 19:[44, 74] Operation: 42+32=74 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[32, 2], Operations: ['47-3=44', '44-42=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,19 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 #0,0,1 Current State: 19:[42, 12], Operations: ['47-3=44', '44-32=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,19 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 #0,0,2 Current State: 19:[44, 10], Operations: ['47-3=44', '42-32=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,19 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,19 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 #0,0,3 Current State: 19:[32, 86], Operations: ['47-3=44', '42+44=86'] Exploring Operation: 32*86=2752, Resulting Numbers: [2752] 2752,19 unequal: No Solution Exploring Operation: 32+86=118, Resulting Numbers: [118] 118,19 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,19 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 #0,0,4 Current State: 19:[44, 74], Operations: ['47-3=44', '42+32=74'] Exploring Operation: 44*74=3256, Resulting Numbers: [3256] 3256,19 unequal: No Solution Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,19 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 19:[14, 15], Operations: ['42/3=14', '47-32=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,19 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[32, 33], Operations: ['42/3=14', '47-14=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,19 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[47, 18], Operations: ['42/3=14', '32-14=18'] Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,19 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 47*18=846, Resulting Numbers: [846] 846,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[10, 44], Operations: ['42-32=10', '47-3=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,19 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[47, 13], Operations: ['42-32=10', '3+10=13'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,19 unequal: No Solution Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[3, 37], Operations: ['42-32=10', '47-10=37'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[47, 30], Operations: ['42-32=10', '3*10=30'] Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,19 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[10, 50], Operations: ['42-32=10', '47+3=50'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,19 unequal: No Solution Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[47, 46], Operations: ['42/3=14', '32+14=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,19 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[32, 61], Operations: ['42/3=14', '47+14=61'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,19 unequal: No Solution Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,19 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 1, 94, 88, 60 ]
53
[ "1+94=95", "88+60=148", "148-95=53" ]
Current State: 53:[1, 94, 88, 60], Operations: [] Exploring Operation: 1+94=95, Resulting Numbers: [88, 60, 95] Generated Node #2: [88, 60, 95] from Operation: 1+94=95 Current State: 53:[88, 60, 95], Operations: ['1+94=95'] Exploring Operation: 88+60=148, Resulting Numbers: [95, 148] Generated Node #3: [95, 148] from Operation: 88+60=148 Current State: 53:[95, 148], Operations: ['1+94=95', '88+60=148'] Exploring Operation: 148-95=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[1, 94, 88, 60], Operations: [] Exploring Operation: 94-1=93, Resulting Numbers: [88, 60, 93] Generated Node #0,0: 53:[88, 60, 93] Operation: 94-1=93 Exploring Operation: 88-1=87, Resulting Numbers: [94, 60, 87] Generated Node #0,1: 53:[94, 60, 87] Operation: 88-1=87 Moving to Node #0,0 Current State: 53:[88, 60, 93], Operations: ['94-1=93'] Exploring Operation: 93-88=5, Resulting Numbers: [60, 5] Generated Node #0,0,0: 53:[60, 5] Operation: 93-88=5 Exploring Operation: 93-60=33, Resulting Numbers: [88, 33] Generated Node #0,0,1: 53:[88, 33] Operation: 93-60=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[60, 5], Operations: ['94-1=93', '93-88=5'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,53 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[88, 33], Operations: ['94-1=93', '93-60=33'] Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,53 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 53:[94, 60, 87], Operations: ['88-1=87'] Exploring Operation: 94-87=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 53:[60, 7] Operation: 94-87=7 Exploring Operation: 94-60=34, Resulting Numbers: [87, 34] Generated Node #0,1,1: 53:[87, 34] Operation: 94-60=34 Moving to Node #0,1,0 Current State: 53:[60, 7], Operations: ['88-1=87', '94-87=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[1, 94, 88, 60], Operations: [] Exploring Operation: 88-1=87, Resulting Numbers: [94, 60, 87] Generated Node #0,1: 53:[94, 60, 87] Operation: 88-1=87 Moving to Node #0,1 Current State: 53:[94, 60, 87], Operations: ['88-1=87'] Exploring Operation: 94-87=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 53:[60, 7] Operation: 94-87=7 Moving to Node #0,1,0 Current State: 53:[60, 7], Operations: ['88-1=87', '94-87=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 52, 55, 76, 33 ]
87
[ "55-52=3", "33/3=11", "76+11=87" ]
Current State: 87:[52, 55, 76, 33], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [76, 33, 3] Generated Node #2: [76, 33, 3] from Operation: 55-52=3 Current State: 87:[76, 33, 3], Operations: ['55-52=3'] Exploring Operation: 33/3=11, Resulting Numbers: [76, 11] Generated Node #3: [76, 11] from Operation: 33/3=11 Current State: 87:[76, 11], Operations: ['55-52=3', '33/3=11'] Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[52, 55, 76, 33], Operations: [] Exploring Operation: 52+55=107, Resulting Numbers: [76, 33, 107] Generated Node #0,0: 87:[76, 33, 107] Operation: 52+55=107 Exploring Operation: 55-52=3, Resulting Numbers: [76, 33, 3] Generated Node #0,1: 87:[76, 33, 3] Operation: 55-52=3 Exploring Operation: 76-52=24, Resulting Numbers: [55, 33, 24] Generated Node #0,2: 87:[55, 33, 24] Operation: 76-52=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[76, 33, 3], Operations: ['55-52=3'] Exploring Operation: 76-33=43, Resulting Numbers: [3, 43] Generated Node #0,1,0: 87:[3, 43] Operation: 76-33=43 Exploring Operation: 76+3=79, Resulting Numbers: [33, 79] Generated Node #0,1,1: 87:[33, 79] Operation: 76+3=79 Exploring Operation: 33-3=30, Resulting Numbers: [76, 30] Generated Node #0,1,2: 87:[76, 30] Operation: 33-3=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[33, 79], Operations: ['55-52=3', '76+3=79'] Exploring Operation: 33+79=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 33*79=2607, Resulting Numbers: [2607] 2607,87 unequal: No Solution No 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: 87:[76, 30], Operations: ['55-52=3', '33-3=30'] Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,87 unequal: No Solution Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,87 unequal: No Solution No 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: 87:[3, 43], Operations: ['55-52=3', '76-33=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,87 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,87 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,87 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[76, 33, 107], Operations: ['52+55=107'] Exploring Operation: 76-33=43, Resulting Numbers: [107, 43] Generated Node #0,0,0: 87:[107, 43] Operation: 76-33=43 Exploring Operation: 107-33=74, Resulting Numbers: [76, 74] Generated Node #0,0,1: 87:[76, 74] Operation: 107-33=74 Exploring Operation: 107-76=31, Resulting Numbers: [33, 31] Generated Node #0,0,2: 87:[33, 31] Operation: 107-76=31 Moving to Node #0,0,2 Current State: 87:[33, 31], Operations: ['52+55=107', '107-76=31'] Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,87 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,87 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[76, 74], Operations: ['52+55=107', '107-33=74'] Exploring Operation: 76*74=5624, Resulting Numbers: [5624] 5624,87 unequal: No Solution Exploring Operation: 76+74=150, Resulting Numbers: [150] 150,87 unequal: No Solution Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[107, 43], Operations: ['52+55=107', '76-33=43'] Exploring Operation: 107*43=4601, Resulting Numbers: [4601] 4601,87 unequal: No Solution Exploring Operation: 107-43=64, Resulting Numbers: [64] 64,87 unequal: No Solution Exploring Operation: 107+43=150, Resulting Numbers: [150] 150,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[55, 33, 24], Operations: ['76-52=24'] Exploring Operation: 55-24=31, Resulting Numbers: [33, 31] Generated Node #0,2,0: 87:[33, 31] Operation: 55-24=31 Exploring Operation: 55+33=88, Resulting Numbers: [24, 88] Generated Node #0,2,1: 87:[24, 88] Operation: 55+33=88 Exploring Operation: 55-33=22, Resulting Numbers: [24, 22] Generated Node #0,2,2: 87:[24, 22] Operation: 55-33=22 Moving to Node #0,2,0 Current State: 87:[33, 31], Operations: ['76-52=24', '55-24=31'] Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,87 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[24, 88], Operations: ['76-52=24', '55+33=88'] Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,87 unequal: No Solution Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[24, 22], Operations: ['76-52=24', '55-33=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,87 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
[ 33, 40, 75, 36 ]
32
[ "40-33=7", "75-36=39", "39-7=32" ]
Current State: 32:[33, 40, 75, 36], Operations: [] Exploring Operation: 40-33=7, Resulting Numbers: [75, 36, 7] Generated Node #2: [75, 36, 7] from Operation: 40-33=7 Current State: 32:[75, 36, 7], Operations: ['40-33=7'] Exploring Operation: 75-36=39, Resulting Numbers: [7, 39] Generated Node #3: [7, 39] from Operation: 75-36=39 Current State: 32:[7, 39], Operations: ['40-33=7', '75-36=39'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[33, 40, 75, 36], Operations: [] Exploring Operation: 75-40=35, Resulting Numbers: [33, 36, 35] Generated Node #0,0: 32:[33, 36, 35] Operation: 75-40=35 Moving to Node #0,0 Current State: 32:[33, 36, 35], Operations: ['75-40=35'] Exploring Operation: 36-35=1, Resulting Numbers: [33, 1] Generated Node #0,0,0: 32:[33, 1] Operation: 36-35=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[33, 1], Operations: ['75-40=35', '36-35=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[33, 40, 75, 36], Operations: [] Exploring Operation: 75-40=35, Resulting Numbers: [33, 36, 35] Generated Node #0,0: 32:[33, 36, 35] Operation: 75-40=35 Moving to Node #0,0 Current State: 32:[33, 36, 35], Operations: ['75-40=35'] Exploring Operation: 36-35=1, Resulting Numbers: [33, 1] Generated Node #0,0,0: 32:[33, 1] Operation: 36-35=1 Moving to Node #0,0,0 Current State: 32:[33, 1], Operations: ['75-40=35', '36-35=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 60, 56, 3, 43 ]
84
[ "60*56=3360", "43-3=40", "3360/40=84" ]
Current State: 84:[60, 56, 3, 43], Operations: [] Exploring Operation: 60*56=3360, Resulting Numbers: [3, 43, 3360] Generated Node #2: [3, 43, 3360] from Operation: 60*56=3360 Current State: 84:[3, 43, 3360], Operations: ['60*56=3360'] Exploring Operation: 43-3=40, Resulting Numbers: [3360, 40] Generated Node #3: [3360, 40] from Operation: 43-3=40 Current State: 84:[3360, 40], Operations: ['60*56=3360', '43-3=40'] Exploring Operation: 3360/40=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[60, 56, 3, 43], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [60, 3, 13] Generated Node #0,0: 84:[60, 3, 13] Operation: 56-43=13 Exploring Operation: 60-56=4, Resulting Numbers: [3, 43, 4] Generated Node #0,1: 84:[3, 43, 4] Operation: 60-56=4 Exploring Operation: 60-3=57, Resulting Numbers: [56, 43, 57] Generated Node #0,2: 84:[56, 43, 57] Operation: 60-3=57 Exploring Operation: 60/3=20, Resulting Numbers: [56, 43, 20] Generated Node #0,3: 84:[56, 43, 20] Operation: 60/3=20 Exploring Operation: 60-43=17, Resulting Numbers: [56, 3, 17] Generated Node #0,4: 84:[56, 3, 17] Operation: 60-43=17 Moving to Node #0,1 Current State: 84:[3, 43, 4], Operations: ['60-56=4'] Exploring Operation: 3+4=7, Resulting Numbers: [43, 7] Generated Node #0,1,0: 84:[43, 7] Operation: 3+4=7 Exploring Operation: 3*4=12, Resulting Numbers: [43, 12] Generated Node #0,1,1: 84:[43, 12] Operation: 3*4=12 Exploring Operation: 43-4=39, Resulting Numbers: [3, 39] Generated Node #0,1,2: 84:[3, 39] Operation: 43-4=39 Exploring Operation: 4-3=1, Resulting Numbers: [43, 1] Generated Node #0,1,3: 84:[43, 1] Operation: 4-3=1 Exploring Operation: 43-3=40, Resulting Numbers: [4, 40] Generated Node #0,1,4: 84:[4, 40] Operation: 43-3=40 Moving to Node #0,3 Current State: 84:[56, 43, 20], Operations: ['60/3=20'] Exploring Operation: 56-43=13, Resulting Numbers: [20, 13] Generated Node #0,3,0: 84:[20, 13] Operation: 56-43=13 Exploring Operation: 43-20=23, Resulting Numbers: [56, 23] Generated Node #0,3,1: 84:[56, 23] Operation: 43-20=23 Exploring Operation: 56+20=76, Resulting Numbers: [43, 76] Generated Node #0,3,2: 84:[43, 76] Operation: 56+20=76 Exploring Operation: 56+43=99, Resulting Numbers: [20, 99] Generated Node #0,3,3: 84:[20, 99] Operation: 56+43=99 Exploring Operation: 56-20=36, Resulting Numbers: [43, 36] Generated Node #0,3,4: 84:[43, 36] Operation: 56-20=36 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[20, 13], Operations: ['60/3=20', '56-43=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,84 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 84:[43, 36], Operations: ['60/3=20', '56-20=36'] Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,84 unequal: No Solution Exploring Operation: 43*36=1548, Resulting Numbers: [1548] 1548,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[43, 76], Operations: ['60/3=20', '56+20=76'] Exploring Operation: 43+76=119, Resulting Numbers: [119] 119,84 unequal: No Solution Exploring Operation: 43*76=3268, Resulting Numbers: [3268] 3268,84 unequal: No Solution Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 84:[56, 23], Operations: ['60/3=20', '43-20=23'] Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,84 unequal: No Solution Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,84 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[20, 99], Operations: ['60/3=20', '56+43=99'] Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,84 unequal: No Solution Exploring Operation: 20*99=1980, Resulting Numbers: [1980] 1980,84 unequal: No Solution Exploring Operation: 20+99=119, Resulting Numbers: [119] 119,84 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: 84:[56, 3, 17], Operations: ['60-43=17'] Exploring Operation: 17-3=14, Resulting Numbers: [56, 14] Generated Node #0,4,0: 84:[56, 14] Operation: 17-3=14 Exploring Operation: 3+17=20, Resulting Numbers: [56, 20] Generated Node #0,4,1: 84:[56, 20] Operation: 3+17=20 Exploring Operation: 56-3=53, Resulting Numbers: [17, 53] Generated Node #0,4,2: 84:[17, 53] Operation: 56-3=53 Exploring Operation: 56+17=73, Resulting Numbers: [3, 73] Generated Node #0,4,3: 84:[3, 73] Operation: 56+17=73 Exploring Operation: 56-17=39, Resulting Numbers: [3, 39] Generated Node #0,4,4: 84:[3, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 84:[3, 39], Operations: ['60-43=17', '56-17=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,84 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 84:[3, 73], Operations: ['60-43=17', '56+17=73'] Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,84 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 84:[56, 14], Operations: ['60-43=17', '17-3=14'] Exploring Operation: 56*14=784, Resulting Numbers: [784] 784,84 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 84:[17, 53], Operations: ['60-43=17', '56-3=53'] Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 17+53=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 17*53=901, Resulting Numbers: [901] 901,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 84:[56, 20], Operations: ['60-43=17', '3+17=20'] Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,84 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[60, 3, 13], Operations: ['56-43=13'] Exploring Operation: 60/3=20, Resulting Numbers: [13, 20] Generated Node #0,0,0: 84:[13, 20] Operation: 60/3=20 Exploring Operation: 60+13=73, Resulting Numbers: [3, 73] Generated Node #0,0,1: 84:[3, 73] Operation: 60+13=73 Exploring Operation: 60-3=57, Resulting Numbers: [13, 57] Generated Node #0,0,2: 84:[13, 57] Operation: 60-3=57 Exploring Operation: 60-13=47, Resulting Numbers: [3, 47] Generated Node #0,0,3: 84:[3, 47] Operation: 60-13=47 Exploring Operation: 3+13=16, Resulting Numbers: [60, 16] Generated Node #0,0,4: 84:[60, 16] Operation: 3+13=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[13, 20], Operations: ['56-43=13', '60/3=20'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,84 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[3, 47], Operations: ['56-43=13', '60-13=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,84 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[3, 73], Operations: ['56-43=13', '60+13=73'] Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,84 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,84 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[13, 57], Operations: ['56-43=13', '60-3=57'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[60, 16], Operations: ['56-43=13', '3+13=16'] Exploring Operation: 60*16=960, Resulting Numbers: [960] 960,84 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 60+16=76, Resulting Numbers: [76] 76,84 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: 84:[56, 43, 57], Operations: ['60-3=57'] Exploring Operation: 57-56=1, Resulting Numbers: [43, 1] Generated Node #0,2,0: 84:[43, 1] Operation: 57-56=1 Exploring Operation: 56+43=99, Resulting Numbers: [57, 99] Generated Node #0,2,1: 84:[57, 99] Operation: 56+43=99 Exploring Operation: 56-43=13, Resulting Numbers: [57, 13] Generated Node #0,2,2: 84:[57, 13] Operation: 56-43=13 Exploring Operation: 56+57=113, Resulting Numbers: [43, 113] Generated Node #0,2,3: 84:[43, 113] Operation: 56+57=113 Exploring Operation: 57-43=14, Resulting Numbers: [56, 14] Generated Node #0,2,4: 84:[56, 14] Operation: 57-43=14 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[43, 1], Operations: ['60-3=57', '57-56=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 84:[56, 14], Operations: ['60-3=57', '57-43=14'] Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 56*14=784, Resulting Numbers: [784] 784,84 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[57, 13], Operations: ['60-3=57', '56-43=13'] Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,84 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[57, 99], Operations: ['60-3=57', '56+43=99'] Exploring Operation: 57+99=156, Resulting Numbers: [156] 156,84 unequal: No Solution Exploring Operation: 57*99=5643, Resulting Numbers: [5643] 5643,84 unequal: No Solution Exploring Operation: 99-57=42, Resulting Numbers: [42] 42,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[43, 113], Operations: ['60-3=57', '56+57=113'] Exploring Operation: 43+113=156, Resulting Numbers: [156] 156,84 unequal: No Solution Exploring Operation: 113-43=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 43*113=4859, Resulting Numbers: [4859] 4859,84 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: 84:[43, 7], Operations: ['60-56=4', '3+4=7'] Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,84 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[43, 12], Operations: ['60-56=4', '3*4=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,84 unequal: No Solution Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,84 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[43, 1], Operations: ['60-56=4', '4-3=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[4, 40], Operations: ['60-56=4', '43-3=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,84 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[3, 39], Operations: ['60-56=4', '43-4=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,84 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,84 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 5, 2, 39, 54 ]
87
[ "5*39=195", "2*54=108", "195-108=87" ]
Current State: 87:[5, 2, 39, 54], Operations: [] Exploring Operation: 5*39=195, Resulting Numbers: [2, 54, 195] Generated Node #2: [2, 54, 195] from Operation: 5*39=195 Current State: 87:[2, 54, 195], Operations: ['5*39=195'] Exploring Operation: 2*54=108, Resulting Numbers: [195, 108] Generated Node #3: [195, 108] from Operation: 2*54=108 Current State: 87:[195, 108], Operations: ['5*39=195', '2*54=108'] Exploring Operation: 195-108=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[5, 2, 39, 54], Operations: [] Exploring Operation: 54-39=15, Resulting Numbers: [5, 2, 15] Generated Node #0,0: 87:[5, 2, 15] Operation: 54-39=15 Exploring Operation: 54/2=27, Resulting Numbers: [5, 39, 27] Generated Node #0,1: 87:[5, 39, 27] Operation: 54/2=27 Exploring Operation: 39+54=93, Resulting Numbers: [5, 2, 93] Generated Node #0,2: 87:[5, 2, 93] Operation: 39+54=93 Exploring Operation: 54-5=49, Resulting Numbers: [2, 39, 49] Generated Node #0,3: 87:[2, 39, 49] Operation: 54-5=49 Exploring Operation: 39-5=34, Resulting Numbers: [2, 54, 34] Generated Node #0,4: 87:[2, 54, 34] Operation: 39-5=34 Moving to Node #0,2 Current State: 87:[5, 2, 93], Operations: ['39+54=93'] Exploring Operation: 5-2=3, Resulting Numbers: [93, 3] Generated Node #0,2,0: 87:[93, 3] Operation: 5-2=3 Exploring Operation: 5+2=7, Resulting Numbers: [93, 7] Generated Node #0,2,1: 87:[93, 7] Operation: 5+2=7 Exploring Operation: 93-2=91, Resulting Numbers: [5, 91] Generated Node #0,2,2: 87:[5, 91] Operation: 93-2=91 Exploring Operation: 2+93=95, Resulting Numbers: [5, 95] Generated Node #0,2,3: 87:[5, 95] Operation: 2+93=95 Exploring Operation: 93-5=88, Resulting Numbers: [2, 88] Generated Node #0,2,4: 87:[2, 88] Operation: 93-5=88 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 87:[2, 88], Operations: ['39+54=93', '93-5=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 2*88=176, Resulting Numbers: [176] 176,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[93, 3], Operations: ['39+54=93', '5-2=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,87 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[5, 91], Operations: ['39+54=93', '93-2=91'] Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 5*91=455, Resulting Numbers: [455] 455,87 unequal: No Solution Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[93, 7], Operations: ['39+54=93', '5+2=7'] Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,87 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,87 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[5, 95], Operations: ['39+54=93', '2+93=95'] Exploring Operation: 5*95=475, Resulting Numbers: [475] 475,87 unequal: No Solution Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 5+95=100, Resulting Numbers: [100] 100,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 87:[5, 39, 27], Operations: ['54/2=27'] Exploring Operation: 27-5=22, Resulting Numbers: [39, 22] Generated Node #0,1,0: 87:[39, 22] Operation: 27-5=22 Exploring Operation: 39-5=34, Resulting Numbers: [27, 34] Generated Node #0,1,1: 87:[27, 34] Operation: 39-5=34 Exploring Operation: 39-27=12, Resulting Numbers: [5, 12] Generated Node #0,1,2: 87:[5, 12] Operation: 39-27=12 Exploring Operation: 5+27=32, Resulting Numbers: [39, 32] Generated Node #0,1,3: 87:[39, 32] Operation: 5+27=32 Exploring Operation: 5+39=44, Resulting Numbers: [27, 44] Generated Node #0,1,4: 87:[27, 44] Operation: 5+39=44 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[27, 34], Operations: ['54/2=27', '39-5=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,87 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[5, 12], Operations: ['54/2=27', '39-27=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,87 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 87:[39, 32], Operations: ['54/2=27', '5+27=32'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,87 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[39, 22], Operations: ['54/2=27', '27-5=22'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,87 unequal: No Solution Exploring Operation: 39*22=858, Resulting Numbers: [858] 858,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 87:[27, 44], Operations: ['54/2=27', '5+39=44'] Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,87 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,87 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: 87:[5, 2, 15], Operations: ['54-39=15'] Exploring Operation: 5+15=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 87:[2, 20] Operation: 5+15=20 Exploring Operation: 15/5=3, Resulting Numbers: [2, 3] Generated Node #0,0,1: 87:[2, 3] Operation: 15/5=3 Exploring Operation: 15-5=10, Resulting Numbers: [2, 10] Generated Node #0,0,2: 87:[2, 10] Operation: 15-5=10 Exploring Operation: 2*15=30, Resulting Numbers: [5, 30] Generated Node #0,0,3: 87:[5, 30] Operation: 2*15=30 Exploring Operation: 5-2=3, Resulting Numbers: [15, 3] Generated Node #0,0,4: 87:[15, 3] Operation: 5-2=3 Moving to Node #0,3 Current State: 87:[2, 39, 49], Operations: ['54-5=49'] Exploring Operation: 49-2=47, Resulting Numbers: [39, 47] Generated Node #0,3,0: 87:[39, 47] Operation: 49-2=47 Exploring Operation: 39-2=37, Resulting Numbers: [49, 37] Generated Node #0,3,1: 87:[49, 37] Operation: 39-2=37 Exploring Operation: 39+49=88, Resulting Numbers: [2, 88] Generated Node #0,3,2: 87:[2, 88] Operation: 39+49=88 Exploring Operation: 2*49=98, Resulting Numbers: [39, 98] Generated Node #0,3,3: 87:[39, 98] Operation: 2*49=98 Exploring Operation: 49-39=10, Resulting Numbers: [2, 10] Generated Node #0,3,4: 87:[2, 10] Operation: 49-39=10 Moving to Node #0,4 Current State: 87:[2, 54, 34], Operations: ['39-5=34'] Exploring Operation: 54-34=20, Resulting Numbers: [2, 20] Generated Node #0,4,0: 87:[2, 20] Operation: 54-34=20 Exploring Operation: 54+34=88, Resulting Numbers: [2, 88] Generated Node #0,4,1: 87:[2, 88] Operation: 54+34=88 Exploring Operation: 54-2=52, Resulting Numbers: [34, 52] Generated Node #0,4,2: 87:[34, 52] Operation: 54-2=52 Exploring Operation: 2*54=108, Resulting Numbers: [34, 108] Generated Node #0,4,3: 87:[34, 108] Operation: 2*54=108 Exploring Operation: 54/2=27, Resulting Numbers: [34, 27] Generated Node #0,4,4: 87:[34, 27] Operation: 54/2=27 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 87:[2, 88], Operations: ['39-5=34', '54+34=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 2*88=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 87:[34, 27], Operations: ['39-5=34', '54/2=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,87 unequal: No Solution Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,87 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 87:[2, 20], Operations: ['39-5=34', '54-34=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 87:[34, 108], Operations: ['39-5=34', '2*54=108'] Exploring Operation: 34*108=3672, Resulting Numbers: [3672] 3672,87 unequal: No Solution Exploring Operation: 34+108=142, Resulting Numbers: [142] 142,87 unequal: No Solution Exploring Operation: 108-34=74, Resulting Numbers: [74] 74,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 87:[34, 52], Operations: ['39-5=34', '54-2=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 87:[2, 3], Operations: ['54-39=15', '15/5=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[2, 88], Operations: ['54-5=49', '39+49=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 2*88=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[5, 30], Operations: ['54-39=15', '2*15=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,87 unequal: No Solution Moving to Node #0,3,4 Current State: 87:[2, 10], Operations: ['54-5=49', '49-39=10'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,87 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[2, 10], Operations: ['54-39=15', '15-5=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,87 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[2, 20], Operations: ['54-39=15', '5+15=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,87 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,87 unequal: No Solution Moving to Node #0,0,4 Current State: 87:[15, 3], Operations: ['54-39=15', '5-2=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,87 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[39, 98], Operations: ['54-5=49', '2*49=98'] Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,87 unequal: No Solution Exploring Operation: 39+98=137, Resulting Numbers: [137] 137,87 unequal: No Solution Exploring Operation: 39*98=3822, Resulting Numbers: [3822] 3822,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[49, 37], Operations: ['54-5=49', '39-2=37'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,87 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[39, 47], Operations: ['54-5=49', '49-2=47'] Exploring Operation: 39*47=1833, Resulting Numbers: [1833] 1833,87 unequal: No Solution Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,87 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 16, 94, 18, 41 ]
19
[ "94-16=78", "18+41=59", "78-59=19" ]
Current State: 19:[16, 94, 18, 41], Operations: [] Exploring Operation: 94-16=78, Resulting Numbers: [18, 41, 78] Generated Node #2: [18, 41, 78] from Operation: 94-16=78 Current State: 19:[18, 41, 78], Operations: ['94-16=78'] Exploring Operation: 18+41=59, Resulting Numbers: [78, 59] Generated Node #3: [78, 59] from Operation: 18+41=59 Current State: 19:[78, 59], Operations: ['94-16=78', '18+41=59'] Exploring Operation: 78-59=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[16, 94, 18, 41], Operations: [] Exploring Operation: 94-41=53, Resulting Numbers: [16, 18, 53] Generated Node #0,0: 19:[16, 18, 53] Operation: 94-41=53 Exploring Operation: 94-16=78, Resulting Numbers: [18, 41, 78] Generated Node #0,1: 19:[18, 41, 78] Operation: 94-16=78 Moving to Node #0,0 Current State: 19:[16, 18, 53], Operations: ['94-41=53'] Exploring Operation: 53-16=37, Resulting Numbers: [18, 37] Generated Node #0,0,0: 19:[18, 37] Operation: 53-16=37 Exploring Operation: 53-18=35, Resulting Numbers: [16, 35] Generated Node #0,0,1: 19:[16, 35] Operation: 53-18=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[18, 37], Operations: ['94-41=53', '53-16=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[16, 94, 18, 41], Operations: [] Exploring Operation: 94-41=53, Resulting Numbers: [16, 18, 53] Generated Node #0,0: 19:[16, 18, 53] Operation: 94-41=53 Moving to Node #0,0 Current State: 19:[16, 18, 53], Operations: ['94-41=53'] Exploring Operation: 53-16=37, Resulting Numbers: [18, 37] Generated Node #0,0,0: 19:[18, 37] Operation: 53-16=37 Moving to Node #0,0,0 Current State: 19:[18, 37], Operations: ['94-41=53', '53-16=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 39, 54, 8, 49 ]
79
[ "54-49=5", "8*5=40", "39+40=79" ]
Current State: 79:[39, 54, 8, 49], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [39, 8, 5] Generated Node #2: [39, 8, 5] from Operation: 54-49=5 Current State: 79:[39, 8, 5], Operations: ['54-49=5'] Exploring Operation: 8*5=40, Resulting Numbers: [39, 40] Generated Node #3: [39, 40] from Operation: 8*5=40 Current State: 79:[39, 40], Operations: ['54-49=5', '8*5=40'] Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[39, 54, 8, 49], Operations: [] Exploring Operation: 39+8=47, Resulting Numbers: [54, 49, 47] Generated Node #0,0: 79:[54, 49, 47] Operation: 39+8=47 Exploring Operation: 54+8=62, Resulting Numbers: [39, 49, 62] Generated Node #0,1: 79:[39, 49, 62] Operation: 54+8=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[54, 49, 47], Operations: ['39+8=47'] Exploring Operation: 49+47=96, Resulting Numbers: [54, 96] Generated Node #0,0,0: 79:[54, 96] Operation: 49+47=96 Exploring Operation: 54+47=101, Resulting Numbers: [49, 101] Generated Node #0,0,1: 79:[49, 101] Operation: 54+47=101 Moving to Node #0,0,0 Current State: 79:[54, 96], Operations: ['39+8=47', '49+47=96'] Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 54+96=150, Resulting Numbers: [150] 150,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[49, 101], Operations: ['39+8=47', '54+47=101'] Exploring Operation: 101-49=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 49+101=150, Resulting Numbers: [150] 150,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[39, 49, 62], Operations: ['54+8=62'] Exploring Operation: 39+49=88, Resulting Numbers: [62, 88] Generated Node #0,1,0: 79:[62, 88] Operation: 39+49=88 Exploring Operation: 39+62=101, Resulting Numbers: [49, 101] Generated Node #0,1,1: 79:[49, 101] Operation: 39+62=101 Moving to Node #0,1,0 Current State: 79:[62, 88], Operations: ['54+8=62', '39+49=88'] Exploring Operation: 88-62=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 62+88=150, Resulting Numbers: [150] 150,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[49, 101], Operations: ['54+8=62', '39+62=101'] Exploring Operation: 101-49=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 49+101=150, Resulting Numbers: [150] 150,79 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, 67, 36, 96 ]
26
[ "39+67=106", "36+96=132", "132-106=26" ]
Current State: 26:[39, 67, 36, 96], Operations: [] Exploring Operation: 39+67=106, Resulting Numbers: [36, 96, 106] Generated Node #2: [36, 96, 106] from Operation: 39+67=106 Current State: 26:[36, 96, 106], Operations: ['39+67=106'] Exploring Operation: 36+96=132, Resulting Numbers: [106, 132] Generated Node #3: [106, 132] from Operation: 36+96=132 Current State: 26:[106, 132], Operations: ['39+67=106', '36+96=132'] Exploring Operation: 132-106=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[39, 67, 36, 96], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [39, 36, 29] Generated Node #0,0: 26:[39, 36, 29] Operation: 96-67=29 Exploring Operation: 96-39=57, Resulting Numbers: [67, 36, 57] Generated Node #0,1: 26:[67, 36, 57] Operation: 96-39=57 Exploring Operation: 67-36=31, Resulting Numbers: [39, 96, 31] Generated Node #0,2: 26:[39, 96, 31] Operation: 67-36=31 Exploring Operation: 67-39=28, Resulting Numbers: [36, 96, 28] Generated Node #0,3: 26:[36, 96, 28] Operation: 67-39=28 Moving to Node #0,0 Current State: 26:[39, 36, 29], Operations: ['96-67=29'] Exploring Operation: 39+36=75, Resulting Numbers: [29, 75] Generated Node #0,0,0: 26:[29, 75] Operation: 39+36=75 Exploring Operation: 39-29=10, Resulting Numbers: [36, 10] Generated Node #0,0,1: 26:[36, 10] Operation: 39-29=10 Exploring Operation: 36-29=7, Resulting Numbers: [39, 7] Generated Node #0,0,2: 26:[39, 7] Operation: 36-29=7 Exploring Operation: 39-36=3, Resulting Numbers: [29, 3] Generated Node #0,0,3: 26:[29, 3] Operation: 39-36=3 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[29, 3], Operations: ['96-67=29', '39-36=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[39, 67, 36, 96], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [39, 36, 29] Generated Node #0,0: 26:[39, 36, 29] Operation: 96-67=29 Moving to Node #0,0 Current State: 26:[39, 36, 29], Operations: ['96-67=29'] Exploring Operation: 39-36=3, Resulting Numbers: [29, 3] Generated Node #0,0,3: 26:[29, 3] Operation: 39-36=3 Moving to Node #0,0,3 Current State: 26:[29, 3], Operations: ['96-67=29', '39-36=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 63, 70, 67, 14 ]
52
[ "63+70=133", "67+14=81", "133-81=52" ]
Current State: 52:[63, 70, 67, 14], Operations: [] Exploring Operation: 63+70=133, Resulting Numbers: [67, 14, 133] Generated Node #2: [67, 14, 133] from Operation: 63+70=133 Current State: 52:[67, 14, 133], Operations: ['63+70=133'] Exploring Operation: 67+14=81, Resulting Numbers: [133, 81] Generated Node #3: [133, 81] from Operation: 67+14=81 Current State: 52:[133, 81], Operations: ['63+70=133', '67+14=81'] Exploring Operation: 133-81=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[63, 70, 67, 14], Operations: [] Exploring Operation: 70-14=56, Resulting Numbers: [63, 67, 56] Generated Node #0,0: 52:[63, 67, 56] Operation: 70-14=56 Exploring Operation: 67-63=4, Resulting Numbers: [70, 14, 4] Generated Node #0,1: 52:[70, 14, 4] Operation: 67-63=4 Exploring Operation: 70-67=3, Resulting Numbers: [63, 14, 3] Generated Node #0,2: 52:[63, 14, 3] Operation: 70-67=3 Exploring Operation: 70/14=5, Resulting Numbers: [63, 67, 5] Generated Node #0,3: 52:[63, 67, 5] Operation: 70/14=5 Exploring Operation: 70-63=7, Resulting Numbers: [67, 14, 7] Generated Node #0,4: 52:[67, 14, 7] Operation: 70-63=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[63, 14, 3], Operations: ['70-67=3'] Exploring Operation: 63+3=66, Resulting Numbers: [14, 66] Generated Node #0,2,0: 52:[14, 66] Operation: 63+3=66 Exploring Operation: 63-3=60, Resulting Numbers: [14, 60] Generated Node #0,2,1: 52:[14, 60] Operation: 63-3=60 Exploring Operation: 63-14=49, Resulting Numbers: [3, 49] Generated Node #0,2,2: 52:[3, 49] Operation: 63-14=49 Exploring Operation: 14-3=11, Resulting Numbers: [63, 11] Generated Node #0,2,3: 52:[63, 11] Operation: 14-3=11 Exploring Operation: 63/3=21, Resulting Numbers: [14, 21] Generated Node #0,2,4: 52:[14, 21] Operation: 63/3=21 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[3, 49], Operations: ['70-67=3', '63-14=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[63, 70, 67, 14], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [63, 14, 3] Generated Node #0,2: 52:[63, 14, 3] Operation: 70-67=3 Moving to Node #0,2 Current State: 52:[63, 14, 3], Operations: ['70-67=3'] Exploring Operation: 63-14=49, Resulting Numbers: [3, 49] Generated Node #0,2,2: 52:[3, 49] Operation: 63-14=49 Moving to Node #0,2,2 Current State: 52:[3, 49], Operations: ['70-67=3', '63-14=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 84, 28, 27, 55 ]
46
[ "84/28=3", "27/3=9", "55-9=46" ]
Current State: 46:[84, 28, 27, 55], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [27, 55, 3] Generated Node #2: [27, 55, 3] from Operation: 84/28=3 Current State: 46:[27, 55, 3], Operations: ['84/28=3'] Exploring Operation: 27/3=9, Resulting Numbers: [55, 9] Generated Node #3: [55, 9] from Operation: 27/3=9 Current State: 46:[55, 9], Operations: ['84/28=3', '27/3=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[84, 28, 27, 55], Operations: [] Exploring Operation: 84-27=57, Resulting Numbers: [28, 55, 57] Generated Node #0,0: 46:[28, 55, 57] Operation: 84-27=57 Exploring Operation: 55-28=27, Resulting Numbers: [84, 27, 27] Generated Node #0,1: 46:[84, 27, 27] Operation: 55-28=27 Exploring Operation: 84-55=29, Resulting Numbers: [28, 27, 29] Generated Node #0,2: 46:[28, 27, 29] Operation: 84-55=29 Exploring Operation: 84-28=56, Resulting Numbers: [27, 55, 56] Generated Node #0,3: 46:[27, 55, 56] Operation: 84-28=56 Exploring Operation: 84/28=3, Resulting Numbers: [27, 55, 3] Generated Node #0,4: 46:[27, 55, 3] Operation: 84/28=3 Moving to Node #0,4 Current State: 46:[27, 55, 3], Operations: ['84/28=3'] Exploring Operation: 27/3=9, Resulting Numbers: [55, 9] Generated Node #0,4,0: 46:[55, 9] Operation: 27/3=9 Exploring Operation: 55-27=28, Resulting Numbers: [3, 28] Generated Node #0,4,1: 46:[3, 28] Operation: 55-27=28 Exploring Operation: 27-3=24, Resulting Numbers: [55, 24] Generated Node #0,4,2: 46:[55, 24] Operation: 27-3=24 Exploring Operation: 27+3=30, Resulting Numbers: [55, 30] Generated Node #0,4,3: 46:[55, 30] Operation: 27+3=30 Exploring Operation: 55-3=52, Resulting Numbers: [27, 52] Generated Node #0,4,4: 46:[27, 52] Operation: 55-3=52 Moving to Node #0,2 Current State: 46:[28, 27, 29], Operations: ['84-55=29'] Exploring Operation: 28+27=55, Resulting Numbers: [29, 55] Generated Node #0,2,0: 46:[29, 55] Operation: 28+27=55 Exploring Operation: 28+29=57, Resulting Numbers: [27, 57] Generated Node #0,2,1: 46:[27, 57] Operation: 28+29=57 Exploring Operation: 29-28=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 46:[27, 1] Operation: 29-28=1 Exploring Operation: 28-27=1, Resulting Numbers: [29, 1] Generated Node #0,2,3: 46:[29, 1] Operation: 28-27=1 Exploring Operation: 29-27=2, Resulting Numbers: [28, 2] Generated Node #0,2,4: 46:[28, 2] Operation: 29-27=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 46:[27, 1], Operations: ['84-55=29', '29-28=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 46:[28, 2], Operations: ['84-55=29', '29-27=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 46:[29, 1], Operations: ['84-55=29', '28-27=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 46:[29, 55], Operations: ['84-55=29', '28+27=55'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,46 unequal: No Solution Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 46:[27, 57], Operations: ['84-55=29', '28+29=57'] Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,46 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 46:[27, 55, 56], Operations: ['84-28=56'] Exploring Operation: 56-27=29, Resulting Numbers: [55, 29] Generated Node #0,3,0: 46:[55, 29] Operation: 56-27=29 Exploring Operation: 55-27=28, Resulting Numbers: [56, 28] Generated Node #0,3,1: 46:[56, 28] Operation: 55-27=28 Exploring Operation: 27+55=82, Resulting Numbers: [56, 82] Generated Node #0,3,2: 46:[56, 82] Operation: 27+55=82 Exploring Operation: 27+56=83, Resulting Numbers: [55, 83] Generated Node #0,3,3: 46:[55, 83] Operation: 27+56=83 Exploring Operation: 56-55=1, Resulting Numbers: [27, 1] Generated Node #0,3,4: 46:[27, 1] Operation: 56-55=1 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 46:[27, 1], Operations: ['84-28=56', '56-55=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[55, 29], Operations: ['84-28=56', '56-27=29'] Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,46 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[56, 28], Operations: ['84-28=56', '55-27=28'] Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,46 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 46:[56, 82], Operations: ['84-28=56', '27+55=82'] Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,46 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,46 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 46:[55, 83], Operations: ['84-28=56', '27+56=83'] Exploring Operation: 55+83=138, Resulting Numbers: [138] 138,46 unequal: No Solution Exploring Operation: 55*83=4565, Resulting Numbers: [4565] 4565,46 unequal: No Solution Exploring Operation: 83-55=28, Resulting Numbers: [28] 28,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 46:[28, 55, 57], Operations: ['84-27=57'] Exploring Operation: 57-28=29, Resulting Numbers: [55, 29] Generated Node #0,0,0: 46:[55, 29] Operation: 57-28=29 Exploring Operation: 28+55=83, Resulting Numbers: [57, 83] Generated Node #0,0,1: 46:[57, 83] Operation: 28+55=83 Exploring Operation: 28+57=85, Resulting Numbers: [55, 85] Generated Node #0,0,2: 46:[55, 85] Operation: 28+57=85 Exploring Operation: 55-28=27, Resulting Numbers: [57, 27] Generated Node #0,0,3: 46:[57, 27] Operation: 55-28=27 Exploring Operation: 57-55=2, Resulting Numbers: [28, 2] Generated Node #0,0,4: 46:[28, 2] Operation: 57-55=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 46:[28, 2], Operations: ['84-27=57', '57-55=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[55, 29], Operations: ['84-27=57', '57-28=29'] Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,46 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 46:[57, 27], Operations: ['84-27=57', '55-28=27'] Exploring Operation: 57+27=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 57*27=1539, Resulting Numbers: [1539] 1539,46 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[57, 83], Operations: ['84-27=57', '28+55=83'] Exploring Operation: 57*83=4731, Resulting Numbers: [4731] 4731,46 unequal: No Solution Exploring Operation: 83-57=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 57+83=140, Resulting Numbers: [140] 140,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[55, 85], Operations: ['84-27=57', '28+57=85'] Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 55*85=4675, Resulting Numbers: [4675] 4675,46 unequal: No Solution Exploring Operation: 55+85=140, Resulting Numbers: [140] 140,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 46:[84, 27, 27], Operations: ['55-28=27'] Exploring Operation: 27+27=54, Resulting Numbers: [84, 54] Generated Node #0,1,0: 46:[84, 54] Operation: 27+27=54 Exploring Operation: 84-27=57, Resulting Numbers: [27, 57] Generated Node #0,1,1: 46:[27, 57] Operation: 84-27=57 Exploring Operation: 84-27=57, Resulting Numbers: [27, 57] Generated Node #0,1,2: 46:[27, 57] Operation: 84-27=57 Exploring Operation: 27-27=0, Resulting Numbers: [84, 0] Generated Node #0,1,3: 46:[84, 0] Operation: 27-27=0 Exploring Operation: 27/27=1, Resulting Numbers: [84, 1] Generated Node #0,1,4: 46:[84, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[27, 57], Operations: ['55-28=27', '84-27=57'] Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,46 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[27, 57], Operations: ['55-28=27', '84-27=57'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 46:[84, 1], Operations: ['55-28=27', '27/27=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,46 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[84, 0], Operations: ['55-28=27', '27-27=0'] Exploring Operation: 84-0=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 84+0=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 84*0=0, Resulting Numbers: [0] 0,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[84, 54], Operations: ['55-28=27', '27+27=54'] Exploring Operation: 84-54=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 84*54=4536, Resulting Numbers: [4536] 4536,46 unequal: No Solution Exploring Operation: 84+54=138, Resulting Numbers: [138] 138,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 46:[3, 28], Operations: ['84/28=3', '55-27=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[27, 52], Operations: ['84/28=3', '55-3=52'] Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,46 unequal: No Solution Moving to Node #0,4,2 Current State: 46:[55, 24], Operations: ['84/28=3', '27-3=24'] Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 55*24=1320, Resulting Numbers: [1320] 1320,46 unequal: No Solution Exploring Operation: 55+24=79, Resulting Numbers: [79] 79,46 unequal: No Solution Moving to Node #0,4,0 Current State: 46:[55, 9], Operations: ['84/28=3', '27/3=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[84, 28, 27, 55], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [27, 55, 3] Generated Node #0,4: 46:[27, 55, 3] Operation: 84/28=3 Moving to Node #0,4 Current State: 46:[27, 55, 3], Operations: ['84/28=3'] Exploring Operation: 27/3=9, Resulting Numbers: [55, 9] Generated Node #0,4,0: 46:[55, 9] Operation: 27/3=9 Moving to Node #0,4,0 Current State: 46:[55, 9], Operations: ['84/28=3', '27/3=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.903646
hs_5
sum_heuristic
[ 8, 9, 53, 47 ]
60
[ "9+47=56", "56/8=7", "53+7=60" ]
Current State: 60:[8, 9, 53, 47], Operations: [] Exploring Operation: 9+47=56, Resulting Numbers: [8, 53, 56] Generated Node #2: [8, 53, 56] from Operation: 9+47=56 Current State: 60:[8, 53, 56], Operations: ['9+47=56'] Exploring Operation: 56/8=7, Resulting Numbers: [53, 7] Generated Node #3: [53, 7] from Operation: 56/8=7 Current State: 60:[53, 7], Operations: ['9+47=56', '56/8=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[8, 9, 53, 47], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [8, 9, 6] Generated Node #0,0: 60:[8, 9, 6] Operation: 53-47=6 Exploring Operation: 8+53=61, Resulting Numbers: [9, 47, 61] Generated Node #0,1: 60:[9, 47, 61] Operation: 8+53=61 Exploring Operation: 8+47=55, Resulting Numbers: [9, 53, 55] Generated Node #0,2: 60:[9, 53, 55] Operation: 8+47=55 Exploring Operation: 9+47=56, Resulting Numbers: [8, 53, 56] Generated Node #0,3: 60:[8, 53, 56] Operation: 9+47=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[8, 9, 6], Operations: ['53-47=6'] Exploring Operation: 8+9=17, Resulting Numbers: [6, 17] Generated Node #0,0,0: 60:[6, 17] Operation: 8+9=17 Exploring Operation: 8+6=14, Resulting Numbers: [9, 14] Generated Node #0,0,1: 60:[9, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 60:[9, 2] Operation: 8-6=2 Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,0,3: 60:[6, 1] Operation: 9-8=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 60:[9, 2], Operations: ['53-47=6', '8-6=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 60:[6, 1], Operations: ['53-47=6', '9-8=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[6, 17], Operations: ['53-47=6', '8+9=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,60 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[9, 14], Operations: ['53-47=6', '8+6=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,60 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[9, 53, 55], Operations: ['8+47=55'] Exploring Operation: 55-53=2, Resulting Numbers: [9, 2] Generated Node #0,2,0: 60:[9, 2] Operation: 55-53=2 Exploring Operation: 9+55=64, Resulting Numbers: [53, 64] Generated Node #0,2,1: 60:[53, 64] Operation: 9+55=64 Exploring Operation: 53-9=44, Resulting Numbers: [55, 44] Generated Node #0,2,2: 60:[55, 44] Operation: 53-9=44 Exploring Operation: 9+53=62, Resulting Numbers: [55, 62] Generated Node #0,2,3: 60:[55, 62] Operation: 9+53=62 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[9, 2], Operations: ['8+47=55', '55-53=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 60:[55, 62], Operations: ['8+47=55', '9+53=62'] Exploring Operation: 55*62=3410, Resulting Numbers: [3410] 3410,60 unequal: No Solution Exploring Operation: 55+62=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[53, 64], Operations: ['8+47=55', '9+55=64'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 53+64=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 53*64=3392, Resulting Numbers: [3392] 3392,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[55, 44], Operations: ['8+47=55', '53-9=44'] Exploring Operation: 55*44=2420, Resulting Numbers: [2420] 2420,60 unequal: No Solution Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,60 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[8, 53, 56], Operations: ['9+47=56'] Exploring Operation: 8+53=61, Resulting Numbers: [56, 61] Generated Node #0,3,0: 60:[56, 61] Operation: 8+53=61 Exploring Operation: 8+56=64, Resulting Numbers: [53, 64] Generated Node #0,3,1: 60:[53, 64] Operation: 8+56=64 Exploring Operation: 56/8=7, Resulting Numbers: [53, 7] Generated Node #0,3,2: 60:[53, 7] Operation: 56/8=7 Exploring Operation: 56-53=3, Resulting Numbers: [8, 3] Generated Node #0,3,3: 60:[8, 3] Operation: 56-53=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 60:[8, 3], Operations: ['9+47=56', '56-53=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[56, 61], Operations: ['9+47=56', '8+53=61'] Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 56*61=3416, Resulting Numbers: [3416] 3416,60 unequal: No Solution Exploring Operation: 56+61=117, Resulting Numbers: [117] 117,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 60:[53, 7], Operations: ['9+47=56', '56/8=7'] Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,60 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[8, 9, 53, 47], Operations: [] Exploring Operation: 9+47=56, Resulting Numbers: [8, 53, 56] Generated Node #0,3: 60:[8, 53, 56] Operation: 9+47=56 Moving to Node #0,3 Current State: 60:[8, 53, 56], Operations: ['9+47=56'] Exploring Operation: 56/8=7, Resulting Numbers: [53, 7] Generated Node #0,3,2: 60:[53, 7] Operation: 56/8=7 Moving to Node #0,3,2 Current State: 60:[53, 7], Operations: ['9+47=56', '56/8=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.953125
hs_4
mult_heuristic
[ 53, 57, 44, 77 ]
37
[ "57-53=4", "77-44=33", "4+33=37" ]
Current State: 37:[53, 57, 44, 77], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [44, 77, 4] Generated Node #2: [44, 77, 4] from Operation: 57-53=4 Current State: 37:[44, 77, 4], Operations: ['57-53=4'] Exploring Operation: 77-44=33, Resulting Numbers: [4, 33] Generated Node #3: [4, 33] from Operation: 77-44=33 Current State: 37:[4, 33], Operations: ['57-53=4', '77-44=33'] Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[53, 57, 44, 77], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [53, 77, 13] Generated Node #0,0: 37:[53, 77, 13] Operation: 57-44=13 Exploring Operation: 77-44=33, Resulting Numbers: [53, 57, 33] Generated Node #0,1: 37:[53, 57, 33] Operation: 77-44=33 Exploring Operation: 77-53=24, Resulting Numbers: [57, 44, 24] Generated Node #0,2: 37:[57, 44, 24] Operation: 77-53=24 Exploring Operation: 77-57=20, Resulting Numbers: [53, 44, 20] Generated Node #0,3: 37:[53, 44, 20] Operation: 77-57=20 Exploring Operation: 57-53=4, Resulting Numbers: [44, 77, 4] Generated Node #0,4: 37:[44, 77, 4] Operation: 57-53=4 Moving to Node #0,1 Current State: 37:[53, 57, 33], Operations: ['77-44=33'] Exploring Operation: 53+33=86, Resulting Numbers: [57, 86] Generated Node #0,1,0: 37:[57, 86] Operation: 53+33=86 Exploring Operation: 57-33=24, Resulting Numbers: [53, 24] Generated Node #0,1,1: 37:[53, 24] Operation: 57-33=24 Exploring Operation: 57+33=90, Resulting Numbers: [53, 90] Generated Node #0,1,2: 37:[53, 90] Operation: 57+33=90 Exploring Operation: 53-33=20, Resulting Numbers: [57, 20] Generated Node #0,1,3: 37:[57, 20] Operation: 53-33=20 Exploring Operation: 57-53=4, Resulting Numbers: [33, 4] Generated Node #0,1,4: 37:[33, 4] Operation: 57-53=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[53, 24], Operations: ['77-44=33', '57-33=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,37 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,37 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 #0,1,3 Current State: 37:[57, 20], Operations: ['77-44=33', '53-33=20'] Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,37 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[53, 57, 44, 77], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [53, 57, 33] Generated Node #0,1: 37:[53, 57, 33] Operation: 77-44=33 Moving to Node #0,1 Current State: 37:[53, 57, 33], Operations: ['77-44=33'] Exploring Operation: 53-33=20, Resulting Numbers: [57, 20] Generated Node #0,1,3: 37:[57, 20] Operation: 53-33=20 Moving to Node #0,1,3 Current State: 37:[57, 20], Operations: ['77-44=33', '53-33=20'] Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 97, 50, 41, 73 ]
79
[ "97-50=47", "73-41=32", "47+32=79" ]
Current State: 79:[97, 50, 41, 73], Operations: [] Exploring Operation: 97-50=47, Resulting Numbers: [41, 73, 47] Generated Node #2: [41, 73, 47] from Operation: 97-50=47 Current State: 79:[41, 73, 47], Operations: ['97-50=47'] Exploring Operation: 73-41=32, Resulting Numbers: [47, 32] Generated Node #3: [47, 32] from Operation: 73-41=32 Current State: 79:[47, 32], Operations: ['97-50=47', '73-41=32'] Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[97, 50, 41, 73], Operations: [] Exploring Operation: 41+73=114, Resulting Numbers: [97, 50, 114] Generated Node #0,0: 79:[97, 50, 114] Operation: 41+73=114 Exploring Operation: 97+41=138, Resulting Numbers: [50, 73, 138] Generated Node #0,1: 79:[50, 73, 138] Operation: 97+41=138 Exploring Operation: 50+41=91, Resulting Numbers: [97, 73, 91] Generated Node #0,2: 79:[97, 73, 91] Operation: 50+41=91 Exploring Operation: 97-41=56, Resulting Numbers: [50, 73, 56] Generated Node #0,3: 79:[50, 73, 56] Operation: 97-41=56 Exploring Operation: 97-50=47, Resulting Numbers: [41, 73, 47] Generated Node #0,4: 79:[41, 73, 47] Operation: 97-50=47 Moving to Node #0,2 Current State: 79:[97, 73, 91], Operations: ['50+41=91'] Exploring Operation: 91-73=18, Resulting Numbers: [97, 18] Generated Node #0,2,0: 79:[97, 18] Operation: 91-73=18 Exploring Operation: 97-91=6, Resulting Numbers: [73, 6] Generated Node #0,2,1: 79:[73, 6] Operation: 97-91=6 Exploring Operation: 97-73=24, Resulting Numbers: [91, 24] Generated Node #0,2,2: 79:[91, 24] Operation: 97-73=24 Exploring Operation: 73+91=164, Resulting Numbers: [97, 164] Generated Node #0,2,3: 79:[97, 164] Operation: 73+91=164 Exploring Operation: 97+73=170, Resulting Numbers: [91, 170] Generated Node #0,2,4: 79:[91, 170] Operation: 97+73=170 Moving to Node #0,3 Current State: 79:[50, 73, 56], Operations: ['97-41=56'] Exploring Operation: 73+56=129, Resulting Numbers: [50, 129] Generated Node #0,3,0: 79:[50, 129] Operation: 73+56=129 Exploring Operation: 73-50=23, Resulting Numbers: [56, 23] Generated Node #0,3,1: 79:[56, 23] Operation: 73-50=23 Exploring Operation: 50+56=106, Resulting Numbers: [73, 106] Generated Node #0,3,2: 79:[73, 106] Operation: 50+56=106 Exploring Operation: 56-50=6, Resulting Numbers: [73, 6] Generated Node #0,3,3: 79:[73, 6] Operation: 56-50=6 Exploring Operation: 50+73=123, Resulting Numbers: [56, 123] Generated Node #0,3,4: 79:[56, 123] Operation: 50+73=123 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[73, 106], Operations: ['97-41=56', '50+56=106'] Exploring Operation: 73*106=7738, Resulting Numbers: [7738] 7738,79 unequal: No Solution Exploring Operation: 106-73=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 73+106=179, Resulting Numbers: [179] 179,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 79:[56, 123], Operations: ['97-41=56', '50+73=123'] Exploring Operation: 56*123=6888, Resulting Numbers: [6888] 6888,79 unequal: No Solution Exploring Operation: 56+123=179, Resulting Numbers: [179] 179,79 unequal: No Solution Exploring Operation: 123-56=67, Resulting Numbers: [67] 67,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[50, 129], Operations: ['97-41=56', '73+56=129'] Exploring Operation: 50+129=179, Resulting Numbers: [179] 179,79 unequal: No Solution Exploring Operation: 50*129=6450, Resulting Numbers: [6450] 6450,79 unequal: No Solution Exploring Operation: 129-50=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[97, 50, 41, 73], Operations: [] Exploring Operation: 97-41=56, Resulting Numbers: [50, 73, 56] Generated Node #0,3: 79:[50, 73, 56] Operation: 97-41=56 Moving to Node #0,3 Current State: 79:[50, 73, 56], Operations: ['97-41=56'] Exploring Operation: 73+56=129, Resulting Numbers: [50, 129] Generated Node #0,3,0: 79:[50, 129] Operation: 73+56=129 Moving to Node #0,3,0 Current State: 79:[50, 129], Operations: ['97-41=56', '73+56=129'] Exploring Operation: 129-50=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
sum_heuristic
[ 42, 45, 69, 4 ]
48
[ "69-45=24", "24/4=6", "42+6=48" ]
Current State: 48:[42, 45, 69, 4], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [42, 4, 24] Generated Node #2: [42, 4, 24] from Operation: 69-45=24 Current State: 48:[42, 4, 24], Operations: ['69-45=24'] Exploring Operation: 24/4=6, Resulting Numbers: [42, 6] Generated Node #3: [42, 6] from Operation: 24/4=6 Current State: 48:[42, 6], Operations: ['69-45=24', '24/4=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[42, 45, 69, 4], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [69, 4, 3] Generated Node #0,0: 48:[69, 4, 3] Operation: 45-42=3 Exploring Operation: 42+4=46, Resulting Numbers: [45, 69, 46] Generated Node #0,1: 48:[45, 69, 46] Operation: 42+4=46 Exploring Operation: 69-42=27, Resulting Numbers: [45, 4, 27] Generated Node #0,2: 48:[45, 4, 27] Operation: 69-42=27 Exploring Operation: 69-45=24, Resulting Numbers: [42, 4, 24] Generated Node #0,3: 48:[42, 4, 24] Operation: 69-45=24 Moving to Node #0,2 Current State: 48:[45, 4, 27], Operations: ['69-42=27'] Exploring Operation: 45-4=41, Resulting Numbers: [27, 41] Generated Node #0,2,0: 48:[27, 41] Operation: 45-4=41 Exploring Operation: 45-27=18, Resulting Numbers: [4, 18] Generated Node #0,2,1: 48:[4, 18] Operation: 45-27=18 Exploring Operation: 45+4=49, Resulting Numbers: [27, 49] Generated Node #0,2,2: 48:[27, 49] Operation: 45+4=49 Exploring Operation: 27-4=23, Resulting Numbers: [45, 23] Generated Node #0,2,3: 48:[45, 23] Operation: 27-4=23 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[4, 18], Operations: ['69-42=27', '45-27=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[27, 49], Operations: ['69-42=27', '45+4=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,48 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[45, 23], Operations: ['69-42=27', '27-4=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,48 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[27, 41], Operations: ['69-42=27', '45-4=41'] Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,48 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: 48:[42, 4, 24], Operations: ['69-45=24'] Exploring Operation: 42-4=38, Resulting Numbers: [24, 38] Generated Node #0,3,0: 48:[24, 38] Operation: 42-4=38 Exploring Operation: 42-24=18, Resulting Numbers: [4, 18] Generated Node #0,3,1: 48:[4, 18] Operation: 42-24=18 Exploring Operation: 42+4=46, Resulting Numbers: [24, 46] Generated Node #0,3,2: 48:[24, 46] Operation: 42+4=46 Exploring Operation: 24/4=6, Resulting Numbers: [42, 6] Generated Node #0,3,3: 48:[42, 6] Operation: 24/4=6 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[4, 18], Operations: ['69-45=24', '42-24=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[24, 46], Operations: ['69-45=24', '42+4=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[42, 6], Operations: ['69-45=24', '24/4=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[42, 45, 69, 4], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [42, 4, 24] Generated Node #0,3: 48:[42, 4, 24] Operation: 69-45=24 Moving to Node #0,3 Current State: 48:[42, 4, 24], Operations: ['69-45=24'] Exploring Operation: 24/4=6, Resulting Numbers: [42, 6] Generated Node #0,3,3: 48:[42, 6] Operation: 24/4=6 Moving to Node #0,3,3 Current State: 48:[42, 6], Operations: ['69-45=24', '24/4=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 58, 77, 82, 50 ]
68
[ "82-77=5", "50/5=10", "58+10=68" ]
Current State: 68:[58, 77, 82, 50], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [58, 50, 5] Generated Node #2: [58, 50, 5] from Operation: 82-77=5 Current State: 68:[58, 50, 5], Operations: ['82-77=5'] Exploring Operation: 50/5=10, Resulting Numbers: [58, 10] Generated Node #3: [58, 10] from Operation: 50/5=10 Current State: 68:[58, 10], Operations: ['82-77=5', '50/5=10'] Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[58, 77, 82, 50], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [77, 82, 8] Generated Node #0,0: 68:[77, 82, 8] Operation: 58-50=8 Exploring Operation: 77-50=27, Resulting Numbers: [58, 82, 27] Generated Node #0,1: 68:[58, 82, 27] Operation: 77-50=27 Exploring Operation: 82-77=5, Resulting Numbers: [58, 50, 5] Generated Node #0,2: 68:[58, 50, 5] Operation: 82-77=5 Exploring Operation: 82-50=32, Resulting Numbers: [58, 77, 32] Generated Node #0,3: 68:[58, 77, 32] Operation: 82-50=32 Exploring Operation: 77-58=19, Resulting Numbers: [82, 50, 19] Generated Node #0,4: 68:[82, 50, 19] Operation: 77-58=19 Moving to Node #0,3 Current State: 68:[58, 77, 32], Operations: ['82-50=32'] Exploring Operation: 58-32=26, Resulting Numbers: [77, 26] Generated Node #0,3,0: 68:[77, 26] Operation: 58-32=26 Exploring Operation: 58+32=90, Resulting Numbers: [77, 90] Generated Node #0,3,1: 68:[77, 90] Operation: 58+32=90 Exploring Operation: 77+32=109, Resulting Numbers: [58, 109] Generated Node #0,3,2: 68:[58, 109] Operation: 77+32=109 Exploring Operation: 77-32=45, Resulting Numbers: [58, 45] Generated Node #0,3,3: 68:[58, 45] Operation: 77-32=45 Exploring Operation: 77-58=19, Resulting Numbers: [32, 19] Generated Node #0,3,4: 68:[32, 19] Operation: 77-58=19 Moving to Node #0,2 Current State: 68:[58, 50, 5], Operations: ['82-77=5'] Exploring Operation: 50+5=55, Resulting Numbers: [58, 55] Generated Node #0,2,0: 68:[58, 55] Operation: 50+5=55 Exploring Operation: 50/5=10, Resulting Numbers: [58, 10] Generated Node #0,2,1: 68:[58, 10] Operation: 50/5=10 Exploring Operation: 58+5=63, Resulting Numbers: [50, 63] Generated Node #0,2,2: 68:[50, 63] Operation: 58+5=63 Exploring Operation: 50-5=45, Resulting Numbers: [58, 45] Generated Node #0,2,3: 68:[58, 45] Operation: 50-5=45 Exploring Operation: 58-50=8, Resulting Numbers: [5, 8] Generated Node #0,2,4: 68:[5, 8] Operation: 58-50=8 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 68:[5, 8], Operations: ['82-77=5', '58-50=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[58, 10], Operations: ['82-77=5', '50/5=10'] Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,68 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[58, 77, 82, 50], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [58, 50, 5] Generated Node #0,2: 68:[58, 50, 5] Operation: 82-77=5 Moving to Node #0,2 Current State: 68:[58, 50, 5], Operations: ['82-77=5'] Exploring Operation: 50/5=10, Resulting Numbers: [58, 10] Generated Node #0,2,1: 68:[58, 10] Operation: 50/5=10 Moving to Node #0,2,1 Current State: 68:[58, 10], Operations: ['82-77=5', '50/5=10'] Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 96, 6, 85, 34 ]
81
[ "6*85=510", "510/34=15", "96-15=81" ]
Current State: 81:[96, 6, 85, 34], Operations: [] Exploring Operation: 6*85=510, Resulting Numbers: [96, 34, 510] Generated Node #2: [96, 34, 510] from Operation: 6*85=510 Current State: 81:[96, 34, 510], Operations: ['6*85=510'] Exploring Operation: 510/34=15, Resulting Numbers: [96, 15] Generated Node #3: [96, 15] from Operation: 510/34=15 Current State: 81:[96, 15], Operations: ['6*85=510', '510/34=15'] Exploring Operation: 96-15=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[96, 6, 85, 34], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [85, 34, 90] Generated Node #0,0: 81:[85, 34, 90] Operation: 96-6=90 Exploring Operation: 96-85=11, Resulting Numbers: [6, 34, 11] Generated Node #0,1: 81:[6, 34, 11] Operation: 96-85=11 Exploring Operation: 96/6=16, Resulting Numbers: [85, 34, 16] Generated Node #0,2: 81:[85, 34, 16] Operation: 96/6=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[6, 34, 11], Operations: ['96-85=11'] Exploring Operation: 34-11=23, Resulting Numbers: [6, 23] Generated Node #0,1,0: 81:[6, 23] Operation: 34-11=23 Exploring Operation: 11-6=5, Resulting Numbers: [34, 5] Generated Node #0,1,1: 81:[34, 5] Operation: 11-6=5 Exploring Operation: 34-6=28, Resulting Numbers: [11, 28] Generated Node #0,1,2: 81:[11, 28] Operation: 34-6=28 Moving to Node #0,1,2 Current State: 81:[11, 28], Operations: ['96-85=11', '34-6=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,81 unequal: No Solution Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[6, 23], Operations: ['96-85=11', '34-11=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,81 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[34, 5], Operations: ['96-85=11', '11-6=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,81 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 Current State: 81:[85, 34, 16], Operations: ['96/6=16'] Exploring Operation: 85+16=101, Resulting Numbers: [34, 101] Generated Node #0,2,0: 81:[34, 101] Operation: 85+16=101 Exploring Operation: 85-16=69, Resulting Numbers: [34, 69] Generated Node #0,2,1: 81:[34, 69] Operation: 85-16=69 Exploring Operation: 34-16=18, Resulting Numbers: [85, 18] Generated Node #0,2,2: 81:[85, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[85, 18], Operations: ['96/6=16', '34-16=18'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 85*18=1530, Resulting Numbers: [1530] 1530,81 unequal: No Solution Exploring Operation: 85+18=103, Resulting Numbers: [103] 103,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[34, 69], Operations: ['96/6=16', '85-16=69'] Exploring Operation: 34+69=103, Resulting Numbers: [103] 103,81 unequal: No Solution Exploring Operation: 34*69=2346, Resulting Numbers: [2346] 2346,81 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[34, 101], Operations: ['96/6=16', '85+16=101'] Exploring Operation: 34*101=3434, Resulting Numbers: [3434] 3434,81 unequal: No Solution Exploring Operation: 101-34=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 34+101=135, Resulting Numbers: [135] 135,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[85, 34, 90], Operations: ['96-6=90'] Exploring Operation: 90-34=56, Resulting Numbers: [85, 56] Generated Node #0,0,0: 81:[85, 56] Operation: 90-34=56 Exploring Operation: 90-85=5, Resulting Numbers: [34, 5] Generated Node #0,0,1: 81:[34, 5] Operation: 90-85=5 Exploring Operation: 85-34=51, Resulting Numbers: [90, 51] Generated Node #0,0,2: 81:[90, 51] Operation: 85-34=51 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[34, 5], Operations: ['96-6=90', '90-85=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[85, 56], Operations: ['96-6=90', '90-34=56'] Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,81 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,81 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[90, 51], Operations: ['96-6=90', '85-34=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 90*51=4590, Resulting Numbers: [4590] 4590,81 unequal: No Solution Exploring Operation: 90+51=141, Resulting Numbers: [141] 141,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 44, 18, 56 ]
36
[ "78-56=22", "44*18=792", "792/22=36" ]
Current State: 36:[78, 44, 18, 56], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [44, 18, 22] Generated Node #2: [44, 18, 22] from Operation: 78-56=22 Current State: 36:[44, 18, 22], Operations: ['78-56=22'] Exploring Operation: 44*18=792, Resulting Numbers: [22, 792] Generated Node #3: [22, 792] from Operation: 44*18=792 Current State: 36:[22, 792], Operations: ['78-56=22', '44*18=792'] Exploring Operation: 792/22=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[78, 44, 18, 56], Operations: [] Exploring Operation: 78-44=34, Resulting Numbers: [18, 56, 34] Generated Node #0,0: 36:[18, 56, 34] Operation: 78-44=34 Exploring Operation: 78-56=22, Resulting Numbers: [44, 18, 22] Generated Node #0,1: 36:[44, 18, 22] Operation: 78-56=22 Exploring Operation: 56-44=12, Resulting Numbers: [78, 18, 12] Generated Node #0,2: 36:[78, 18, 12] Operation: 56-44=12 Moving to Node #0,1 Current State: 36:[44, 18, 22], Operations: ['78-56=22'] Exploring Operation: 22-18=4, Resulting Numbers: [44, 4] Generated Node #0,1,0: 36:[44, 4] Operation: 22-18=4 Exploring Operation: 44-22=22, Resulting Numbers: [18, 22] Generated Node #0,1,1: 36:[18, 22] Operation: 44-22=22 Exploring Operation: 44/22=2, Resulting Numbers: [18, 2] Generated Node #0,1,2: 36:[18, 2] Operation: 44/22=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[18, 2], Operations: ['78-56=22', '44/22=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[78, 44, 18, 56], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [44, 18, 22] Generated Node #0,1: 36:[44, 18, 22] Operation: 78-56=22 Moving to Node #0,1 Current State: 36:[44, 18, 22], Operations: ['78-56=22'] Exploring Operation: 44/22=2, Resulting Numbers: [18, 2] Generated Node #0,1,2: 36:[18, 2] Operation: 44/22=2 Moving to Node #0,1,2 Current State: 36:[18, 2], Operations: ['78-56=22', '44/22=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 44, 31, 46, 23 ]
11
[ "44-31=13", "46/23=2", "13-2=11" ]
Current State: 11:[44, 31, 46, 23], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [46, 23, 13] Generated Node #2: [46, 23, 13] from Operation: 44-31=13 Current State: 11:[46, 23, 13], Operations: ['44-31=13'] Exploring Operation: 46/23=2, Resulting Numbers: [13, 2] Generated Node #3: [13, 2] from Operation: 46/23=2 Current State: 11:[13, 2], Operations: ['44-31=13', '46/23=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[44, 31, 46, 23], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [46, 23, 13] Generated Node #0,0: 11:[46, 23, 13] Operation: 44-31=13 Exploring Operation: 46-44=2, Resulting Numbers: [31, 23, 2] Generated Node #0,1: 11:[31, 23, 2] Operation: 46-44=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[31, 23, 2], Operations: ['46-44=2'] Exploring Operation: 31-2=29, Resulting Numbers: [23, 29] Generated Node #0,1,0: 11:[23, 29] Operation: 31-2=29 Exploring Operation: 31-23=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 11:[2, 8] Operation: 31-23=8 Moving to Node #0,1,1 Current State: 11:[2, 8], Operations: ['46-44=2', '31-23=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[23, 29], Operations: ['46-44=2', '31-2=29'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,11 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 #0,0 Current State: 11:[46, 23, 13], Operations: ['44-31=13'] Exploring Operation: 46/23=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 11:[13, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [13, 23] Generated Node #0,0,1: 11:[13, 23] Operation: 46-23=23 Moving to Node #0,0,0 Current State: 11:[13, 2], Operations: ['44-31=13', '46/23=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[44, 31, 46, 23], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [46, 23, 13] Generated Node #0,0: 11:[46, 23, 13] Operation: 44-31=13 Moving to Node #0,0 Current State: 11:[46, 23, 13], Operations: ['44-31=13'] Exploring Operation: 46/23=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 11:[13, 2] Operation: 46/23=2 Moving to Node #0,0,0 Current State: 11:[13, 2], Operations: ['44-31=13', '46/23=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 92, 72, 54, 36 ]
42
[ "92-36=56", "54*56=3024", "3024/72=42" ]
Current State: 42:[92, 72, 54, 36], Operations: [] Exploring Operation: 92-36=56, Resulting Numbers: [72, 54, 56] Generated Node #2: [72, 54, 56] from Operation: 92-36=56 Current State: 42:[72, 54, 56], Operations: ['92-36=56'] Exploring Operation: 54*56=3024, Resulting Numbers: [72, 3024] Generated Node #3: [72, 3024] from Operation: 54*56=3024 Current State: 42:[72, 3024], Operations: ['92-36=56', '54*56=3024'] Exploring Operation: 3024/72=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[92, 72, 54, 36], Operations: [] Exploring Operation: 92-36=56, Resulting Numbers: [72, 54, 56] Generated Node #0,0: 42:[72, 54, 56] Operation: 92-36=56 Exploring Operation: 92-72=20, Resulting Numbers: [54, 36, 20] Generated Node #0,1: 42:[54, 36, 20] Operation: 92-72=20 Exploring Operation: 92-54=38, Resulting Numbers: [72, 36, 38] Generated Node #0,2: 42:[72, 36, 38] Operation: 92-54=38 Moving to Node #0,1 Current State: 42:[54, 36, 20], Operations: ['92-72=20'] Exploring Operation: 54-20=34, Resulting Numbers: [36, 34] Generated Node #0,1,0: 42:[36, 34] Operation: 54-20=34 Exploring Operation: 36-20=16, Resulting Numbers: [54, 16] Generated Node #0,1,1: 42:[54, 16] Operation: 36-20=16 Exploring Operation: 54-36=18, Resulting Numbers: [20, 18] Generated Node #0,1,2: 42:[20, 18] Operation: 54-36=18 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[20, 18], Operations: ['92-72=20', '54-36=18'] Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,42 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[36, 34], Operations: ['92-72=20', '54-20=34'] Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,42 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[54, 16], Operations: ['92-72=20', '36-20=16'] Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,42 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,42 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: 42:[72, 36, 38], Operations: ['92-54=38'] Exploring Operation: 72/36=2, Resulting Numbers: [38, 2] Generated Node #0,2,0: 42:[38, 2] Operation: 72/36=2 Exploring Operation: 72-36=36, Resulting Numbers: [38, 36] Generated Node #0,2,1: 42:[38, 36] Operation: 72-36=36 Exploring Operation: 72-38=34, Resulting Numbers: [36, 34] Generated Node #0,2,2: 42:[36, 34] Operation: 72-38=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[38, 2], Operations: ['92-54=38', '72/36=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,42 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[38, 36], Operations: ['92-54=38', '72-36=36'] Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[36, 34], Operations: ['92-54=38', '72-38=34'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,42 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,42 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: 42:[72, 54, 56], Operations: ['92-36=56'] Exploring Operation: 56-54=2, Resulting Numbers: [72, 2] Generated Node #0,0,0: 42:[72, 2] Operation: 56-54=2 Exploring Operation: 72-56=16, Resulting Numbers: [54, 16] Generated Node #0,0,1: 42:[54, 16] Operation: 72-56=16 Exploring Operation: 72-54=18, Resulting Numbers: [56, 18] Generated Node #0,0,2: 42:[56, 18] Operation: 72-54=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[54, 16], Operations: ['92-36=56', '72-56=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,42 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[56, 18], Operations: ['92-36=56', '72-54=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,42 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[72, 2], Operations: ['92-36=56', '56-54=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,42 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,42 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
[ 20, 8, 10, 34 ]
46
[ "20-10=10", "8*10=80", "80-34=46" ]
Current State: 46:[20, 8, 10, 34], Operations: [] Exploring Operation: 20-10=10, Resulting Numbers: [8, 34, 10] Generated Node #2: [8, 34, 10] from Operation: 20-10=10 Current State: 46:[8, 34, 10], Operations: ['20-10=10'] Exploring Operation: 8*10=80, Resulting Numbers: [34, 80] Generated Node #3: [34, 80] from Operation: 8*10=80 Current State: 46:[34, 80], Operations: ['20-10=10', '8*10=80'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[20, 8, 10, 34], Operations: [] Exploring Operation: 34-10=24, Resulting Numbers: [20, 8, 24] Generated Node #0,0: 46:[20, 8, 24] Operation: 34-10=24 Exploring Operation: 10+34=44, Resulting Numbers: [20, 8, 44] Generated Node #0,1: 46:[20, 8, 44] Operation: 10+34=44 Moving to Node #0,0 Current State: 46:[20, 8, 24], Operations: ['34-10=24'] Exploring Operation: 24/8=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 46:[20, 3] Operation: 24/8=3 Exploring Operation: 20+8=28, Resulting Numbers: [24, 28] Generated Node #0,0,1: 46:[24, 28] Operation: 20+8=28 Moving to Node #0,1 Current State: 46:[20, 8, 44], Operations: ['10+34=44'] Exploring Operation: 20+8=28, Resulting Numbers: [44, 28] Generated Node #0,1,0: 46:[44, 28] Operation: 20+8=28 Exploring Operation: 44-20=24, Resulting Numbers: [8, 24] Generated Node #0,1,1: 46:[8, 24] Operation: 44-20=24 Moving to Node #0,0,0 Current State: 46:[20, 3], Operations: ['34-10=24', '24/8=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[24, 28], Operations: ['34-10=24', '20+8=28'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[8, 24], Operations: ['10+34=44', '44-20=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[44, 28], Operations: ['10+34=44', '20+8=28'] Exploring Operation: 44+28=72, Resulting Numbers: [72] 72,46 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,46 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 50, 27, 4, 56 ]
37
[ "50-27=23", "4+56=60", "60-23=37" ]
Current State: 37:[50, 27, 4, 56], Operations: [] Exploring Operation: 50-27=23, Resulting Numbers: [4, 56, 23] Generated Node #2: [4, 56, 23] from Operation: 50-27=23 Current State: 37:[4, 56, 23], Operations: ['50-27=23'] Exploring Operation: 4+56=60, Resulting Numbers: [23, 60] Generated Node #3: [23, 60] from Operation: 4+56=60 Current State: 37:[23, 60], Operations: ['50-27=23', '4+56=60'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[50, 27, 4, 56], Operations: [] Exploring Operation: 50-4=46, Resulting Numbers: [27, 56, 46] Generated Node #0,0: 37:[27, 56, 46] Operation: 50-4=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[27, 56, 46], Operations: ['50-4=46'] Exploring Operation: 56-27=29, Resulting Numbers: [46, 29] Generated Node #0,0,0: 37:[46, 29] Operation: 56-27=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[46, 29], Operations: ['50-4=46', '56-27=29'] Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,37 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_1
mult_heuristic
[ 62, 73, 45, 88 ]
53
[ "73-62=11", "88/11=8", "45+8=53" ]
Current State: 53:[62, 73, 45, 88], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [45, 88, 11] Generated Node #2: [45, 88, 11] from Operation: 73-62=11 Current State: 53:[45, 88, 11], Operations: ['73-62=11'] Exploring Operation: 88/11=8, Resulting Numbers: [45, 8] Generated Node #3: [45, 8] from Operation: 88/11=8 Current State: 53:[45, 8], Operations: ['73-62=11', '88/11=8'] Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[62, 73, 45, 88], Operations: [] Exploring Operation: 88-45=43, Resulting Numbers: [62, 73, 43] Generated Node #0,0: 53:[62, 73, 43] Operation: 88-45=43 Exploring Operation: 73-45=28, Resulting Numbers: [62, 88, 28] Generated Node #0,1: 53:[62, 88, 28] Operation: 73-45=28 Exploring Operation: 88-62=26, Resulting Numbers: [73, 45, 26] Generated Node #0,2: 53:[73, 45, 26] Operation: 88-62=26 Exploring Operation: 88-73=15, Resulting Numbers: [62, 45, 15] Generated Node #0,3: 53:[62, 45, 15] Operation: 88-73=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[62, 73, 43], Operations: ['88-45=43'] Exploring Operation: 62+43=105, Resulting Numbers: [73, 105] Generated Node #0,0,0: 53:[73, 105] Operation: 62+43=105 Exploring Operation: 73-62=11, Resulting Numbers: [43, 11] Generated Node #0,0,1: 53:[43, 11] Operation: 73-62=11 Exploring Operation: 62-43=19, Resulting Numbers: [73, 19] Generated Node #0,0,2: 53:[73, 19] Operation: 62-43=19 Exploring Operation: 73-43=30, Resulting Numbers: [62, 30] Generated Node #0,0,3: 53:[62, 30] Operation: 73-43=30 Moving to Node #0,0,3 Current State: 53:[62, 30], Operations: ['88-45=43', '73-43=30'] Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 62*30=1860, Resulting Numbers: [1860] 1860,53 unequal: No Solution Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[43, 11], Operations: ['88-45=43', '73-62=11'] Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,53 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[73, 19], Operations: ['88-45=43', '62-43=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,53 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[73, 105], Operations: ['88-45=43', '62+43=105'] Exploring Operation: 73+105=178, Resulting Numbers: [178] 178,53 unequal: No Solution Exploring Operation: 73*105=7665, Resulting Numbers: [7665] 7665,53 unequal: No Solution Exploring Operation: 105-73=32, Resulting Numbers: [32] 32,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[73, 45, 26], Operations: ['88-62=26'] Exploring Operation: 45+26=71, Resulting Numbers: [73, 71] Generated Node #0,2,0: 53:[73, 71] Operation: 45+26=71 Exploring Operation: 73-26=47, Resulting Numbers: [45, 47] Generated Node #0,2,1: 53:[45, 47] Operation: 73-26=47 Exploring Operation: 73-45=28, Resulting Numbers: [26, 28] Generated Node #0,2,2: 53:[26, 28] Operation: 73-45=28 Exploring Operation: 73+26=99, Resulting Numbers: [45, 99] Generated Node #0,2,3: 53:[45, 99] Operation: 73+26=99 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 53:[45, 47], Operations: ['88-62=26', '73-26=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[73, 71], Operations: ['88-62=26', '45+26=71'] Exploring Operation: 73+71=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 73-71=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 73*71=5183, Resulting Numbers: [5183] 5183,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[26, 28], Operations: ['88-62=26', '73-45=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,53 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 53:[45, 99], Operations: ['88-62=26', '73+26=99'] Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 45*99=4455, Resulting Numbers: [4455] 4455,53 unequal: No Solution Exploring Operation: 45+99=144, Resulting Numbers: [144] 144,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[62, 45, 15], Operations: ['88-73=15'] Exploring Operation: 62-15=47, Resulting Numbers: [45, 47] Generated Node #0,3,0: 53:[45, 47] Operation: 62-15=47 Exploring Operation: 45-15=30, Resulting Numbers: [62, 30] Generated Node #0,3,1: 53:[62, 30] Operation: 45-15=30 Exploring Operation: 45+15=60, Resulting Numbers: [62, 60] Generated Node #0,3,2: 53:[62, 60] Operation: 45+15=60 Exploring Operation: 62+15=77, Resulting Numbers: [45, 77] Generated Node #0,3,3: 53:[45, 77] Operation: 62+15=77 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 53:[45, 47], Operations: ['88-73=15', '62-15=47'] Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 53:[62, 60], Operations: ['88-73=15', '45+15=60'] Exploring Operation: 62*60=3720, Resulting Numbers: [3720] 3720,53 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 62+60=122, Resulting Numbers: [122] 122,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 53:[62, 30], Operations: ['88-73=15', '45-15=30'] Exploring Operation: 62*30=1860, Resulting Numbers: [1860] 1860,53 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 53:[45, 77], Operations: ['88-73=15', '62+15=77'] Exploring Operation: 45*77=3465, Resulting Numbers: [3465] 3465,53 unequal: No Solution Exploring Operation: 45+77=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[62, 88, 28], Operations: ['73-45=28'] Exploring Operation: 62-28=34, Resulting Numbers: [88, 34] Generated Node #0,1,0: 53:[88, 34] Operation: 62-28=34 Exploring Operation: 88-62=26, Resulting Numbers: [28, 26] Generated Node #0,1,1: 53:[28, 26] Operation: 88-62=26 Exploring Operation: 88-28=60, Resulting Numbers: [62, 60] Generated Node #0,1,2: 53:[62, 60] Operation: 88-28=60 Exploring Operation: 62+28=90, Resulting Numbers: [88, 90] Generated Node #0,1,3: 53:[88, 90] Operation: 62+28=90 Moving to Node #0,1,2 Current State: 53:[62, 60], Operations: ['73-45=28', '88-28=60'] Exploring Operation: 62+60=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 62*60=3720, Resulting Numbers: [3720] 3720,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[28, 26], Operations: ['73-45=28', '88-62=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,53 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[88, 34], Operations: ['73-45=28', '62-28=34'] Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 88*34=2992, Resulting Numbers: [2992] 2992,53 unequal: No Solution Exploring Operation: 88+34=122, Resulting Numbers: [122] 122,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[88, 90], Operations: ['73-45=28', '62+28=90'] Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 88*90=7920, Resulting Numbers: [7920] 7920,53 unequal: No Solution Exploring Operation: 88+90=178, Resulting Numbers: [178] 178,53 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
[ 3, 96, 57, 61 ]
16
[ "57/3=19", "96-61=35", "35-19=16" ]
Current State: 16:[3, 96, 57, 61], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [96, 61, 19] Generated Node #2: [96, 61, 19] from Operation: 57/3=19 Current State: 16:[96, 61, 19], Operations: ['57/3=19'] Exploring Operation: 96-61=35, Resulting Numbers: [19, 35] Generated Node #3: [19, 35] from Operation: 96-61=35 Current State: 16:[19, 35], Operations: ['57/3=19', '96-61=35'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[3, 96, 57, 61], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [3, 57, 35] Generated Node #0,0: 16:[3, 57, 35] Operation: 96-61=35 Exploring Operation: 96/3=32, Resulting Numbers: [57, 61, 32] Generated Node #0,1: 16:[57, 61, 32] Operation: 96/3=32 Exploring Operation: 61-57=4, Resulting Numbers: [3, 96, 4] Generated Node #0,2: 16:[3, 96, 4] Operation: 61-57=4 Exploring Operation: 96-57=39, Resulting Numbers: [3, 61, 39] Generated Node #0,3: 16:[3, 61, 39] Operation: 96-57=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[3, 57, 35], Operations: ['96-61=35'] Exploring Operation: 57/3=19, Resulting Numbers: [35, 19] Generated Node #0,0,0: 16:[35, 19] Operation: 57/3=19 Exploring Operation: 57-3=54, Resulting Numbers: [35, 54] Generated Node #0,0,1: 16:[35, 54] Operation: 57-3=54 Exploring Operation: 35-3=32, Resulting Numbers: [57, 32] Generated Node #0,0,2: 16:[57, 32] Operation: 35-3=32 Exploring Operation: 57-35=22, Resulting Numbers: [3, 22] Generated Node #0,0,3: 16:[3, 22] Operation: 57-35=22 Moving to Node #0,0,3 Current State: 16:[3, 22], Operations: ['96-61=35', '57-35=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[35, 19], Operations: ['96-61=35', '57/3=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[3, 96, 57, 61], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [3, 57, 35] Generated Node #0,0: 16:[3, 57, 35] Operation: 96-61=35 Moving to Node #0,0 Current State: 16:[3, 57, 35], Operations: ['96-61=35'] Exploring Operation: 57/3=19, Resulting Numbers: [35, 19] Generated Node #0,0,0: 16:[35, 19] Operation: 57/3=19 Moving to Node #0,0,0 Current State: 16:[35, 19], Operations: ['96-61=35', '57/3=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 13, 3, 2, 93 ]
100
[ "13+93=106", "3*2=6", "106-6=100" ]
Current State: 100:[13, 3, 2, 93], Operations: [] Exploring Operation: 13+93=106, Resulting Numbers: [3, 2, 106] Generated Node #2: [3, 2, 106] from Operation: 13+93=106 Current State: 100:[3, 2, 106], Operations: ['13+93=106'] Exploring Operation: 3*2=6, Resulting Numbers: [106, 6] Generated Node #3: [106, 6] from Operation: 3*2=6 Current State: 100:[106, 6], Operations: ['13+93=106', '3*2=6'] Exploring Operation: 106-6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[13, 3, 2, 93], Operations: [] Exploring Operation: 13-3=10, Resulting Numbers: [2, 93, 10] Generated Node #0,0: 100:[2, 93, 10] Operation: 13-3=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[2, 93, 10], Operations: ['13-3=10'] Exploring Operation: 93+10=103, Resulting Numbers: [2, 103] Generated Node #0,0,0: 100:[2, 103] Operation: 93+10=103 Moving to Node #0,0,0 Current State: 100:[2, 103], Operations: ['13-3=10', '93+10=103'] Exploring Operation: 103-2=101, Resulting Numbers: [101] 101,100 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
[ 24, 50, 3, 52 ]
10
[ "24/3=8", "52-50=2", "8+2=10" ]
Current State: 10:[24, 50, 3, 52], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [50, 52, 8] Generated Node #2: [50, 52, 8] from Operation: 24/3=8 Current State: 10:[50, 52, 8], Operations: ['24/3=8'] Exploring Operation: 52-50=2, Resulting Numbers: [8, 2] Generated Node #3: [8, 2] from Operation: 52-50=2 Current State: 10:[8, 2], Operations: ['24/3=8', '52-50=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[24, 50, 3, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [24, 3, 2] Generated Node #0,0: 10:[24, 3, 2] Operation: 52-50=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[24, 3, 2], Operations: ['52-50=2'] Exploring Operation: 24/3=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 10:[2, 8] Operation: 24/3=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[2, 8], Operations: ['52-50=2', '24/3=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[24, 50, 3, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [24, 3, 2] Generated Node #0,0: 10:[24, 3, 2] Operation: 52-50=2 Moving to Node #0,0 Current State: 10:[24, 3, 2], Operations: ['52-50=2'] Exploring Operation: 24/3=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 10:[2, 8] Operation: 24/3=8 Moving to Node #0,0,0 Current State: 10:[2, 8], Operations: ['52-50=2', '24/3=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 63, 7, 16, 63 ]
56
[ "63/7=9", "63-16=47", "9+47=56" ]
Current State: 56:[63, 7, 16, 63], Operations: [] Exploring Operation: 63/7=9, Resulting Numbers: [16, 9] Generated Node #2: [16, 9] from Operation: 63/7=9 Current State: 56:[16, 9], Operations: ['63/7=9'] Exploring Operation: 63-16=47, Resulting Numbers: [9, 47] Generated Node #3: [9, 47] from Operation: 63-16=47 Current State: 56:[9, 47], Operations: ['63/7=9', '63-16=47'] Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[63, 7, 16, 63], Operations: [] Exploring Operation: 63-7=56, Resulting Numbers: [16, 63, 56] Generated Node #0,0: 56:[16, 63, 56] Operation: 63-7=56 Exploring Operation: 63-63=0, Resulting Numbers: [7, 16, 0] Generated Node #0,1: 56:[7, 16, 0] Operation: 63-63=0 Exploring Operation: 63/63=1, Resulting Numbers: [7, 16, 1] Generated Node #0,2: 56:[7, 16, 1] Operation: 63/63=1 Moving to Node #0,2 Current State: 56:[7, 16, 1], Operations: ['63/63=1'] Exploring Operation: 16-7=9, Resulting Numbers: [1, 9] Generated Node #0,2,0: 56:[1, 9] Operation: 16-7=9 Exploring Operation: 16-1=15, Resulting Numbers: [7, 15] Generated Node #0,2,1: 56:[7, 15] Operation: 16-1=15 Exploring Operation: 7+1=8, Resulting Numbers: [16, 8] Generated Node #0,2,2: 56:[16, 8] Operation: 7+1=8 Moving to Node #0,1 Current State: 56:[7, 16, 0], Operations: ['63-63=0'] Exploring Operation: 7+0=7, Resulting Numbers: [16, 7] Generated Node #0,1,0: 56:[16, 7] Operation: 7+0=7 Exploring Operation: 16+0=16, Resulting Numbers: [7, 16] Generated Node #0,1,1: 56:[7, 16] Operation: 16+0=16 Exploring Operation: 7-0=7, Resulting Numbers: [16, 7] Generated Node #0,1,2: 56:[16, 7] Operation: 7-0=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[16, 7], Operations: ['63-63=0', '7+0=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,56 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[7, 16], Operations: ['63-63=0', '16+0=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[16, 7], Operations: ['63-63=0', '7-0=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,56 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,56 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: 56:[16, 63, 56], Operations: ['63-7=56'] Exploring Operation: 56-16=40, Resulting Numbers: [63, 40] Generated Node #0,0,0: 56:[63, 40] Operation: 56-16=40 Exploring Operation: 63-56=7, Resulting Numbers: [16, 7] Generated Node #0,0,1: 56:[16, 7] Operation: 63-56=7 Exploring Operation: 63-16=47, Resulting Numbers: [56, 47] Generated Node #0,0,2: 56:[56, 47] Operation: 63-16=47 Moving to Node #0,2,1 Current State: 56:[7, 15], Operations: ['63/63=1', '16-1=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,56 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[16, 8], Operations: ['63/63=1', '7+1=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,56 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[1, 9], Operations: ['63/63=1', '16-7=9'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[16, 7], Operations: ['63-7=56', '63-56=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,56 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[56, 47], Operations: ['63-7=56', '63-16=47'] Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,56 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[63, 40], Operations: ['63-7=56', '56-16=40'] Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,56 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,56 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 51, 3, 42, 70 ]
43
[ "51-42=9", "3*9=27", "70-27=43" ]
Current State: 43:[51, 3, 42, 70], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [3, 70, 9] Generated Node #2: [3, 70, 9] from Operation: 51-42=9 Current State: 43:[3, 70, 9], Operations: ['51-42=9'] Exploring Operation: 3*9=27, Resulting Numbers: [70, 27] Generated Node #3: [70, 27] from Operation: 3*9=27 Current State: 43:[70, 27], Operations: ['51-42=9', '3*9=27'] Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[51, 3, 42, 70], Operations: [] Exploring Operation: 70-3=67, Resulting Numbers: [51, 42, 67] Generated Node #0,0: 43:[51, 42, 67] Operation: 70-3=67 Exploring Operation: 3+42=45, Resulting Numbers: [51, 70, 45] Generated Node #0,1: 43:[51, 70, 45] Operation: 3+42=45 Exploring Operation: 51-3=48, Resulting Numbers: [42, 70, 48] Generated Node #0,2: 43:[42, 70, 48] Operation: 51-3=48 Moving to Node #0,0 Current State: 43:[51, 42, 67], Operations: ['70-3=67'] Exploring Operation: 67-42=25, Resulting Numbers: [51, 25] Generated Node #0,0,0: 43:[51, 25] Operation: 67-42=25 Exploring Operation: 51-42=9, Resulting Numbers: [67, 9] Generated Node #0,0,1: 43:[67, 9] Operation: 51-42=9 Exploring Operation: 67-51=16, Resulting Numbers: [42, 16] Generated Node #0,0,2: 43:[42, 16] Operation: 67-51=16 Moving to Node #0,2 Current State: 43:[42, 70, 48], Operations: ['51-3=48'] Exploring Operation: 70-48=22, Resulting Numbers: [42, 22] Generated Node #0,2,0: 43:[42, 22] Operation: 70-48=22 Exploring Operation: 70-42=28, Resulting Numbers: [48, 28] Generated Node #0,2,1: 43:[48, 28] Operation: 70-42=28 Exploring Operation: 48-42=6, Resulting Numbers: [70, 6] Generated Node #0,2,2: 43:[70, 6] Operation: 48-42=6 Moving to Node #0,1 Current State: 43:[51, 70, 45], Operations: ['3+42=45'] Exploring Operation: 70-51=19, Resulting Numbers: [45, 19] Generated Node #0,1,0: 43:[45, 19] Operation: 70-51=19 Exploring Operation: 51-45=6, Resulting Numbers: [70, 6] Generated Node #0,1,1: 43:[70, 6] Operation: 51-45=6 Exploring Operation: 70-45=25, Resulting Numbers: [51, 25] Generated Node #0,1,2: 43:[51, 25] Operation: 70-45=25 Moving to Node #0,2,1 Current State: 43:[48, 28], Operations: ['51-3=48', '70-42=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,43 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[42, 22], Operations: ['51-3=48', '70-48=22'] Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,43 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[45, 19], Operations: ['3+42=45', '70-51=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[51, 25], Operations: ['70-3=67', '67-42=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[51, 25], Operations: ['3+42=45', '70-45=25'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[42, 16], Operations: ['70-3=67', '67-51=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,43 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[67, 9], Operations: ['70-3=67', '51-42=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[70, 6], Operations: ['51-3=48', '48-42=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[70, 6], Operations: ['3+42=45', '51-45=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,43 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,43 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 64, 33, 78, 77 ]
96
[ "64+33=97", "78-77=1", "97-1=96" ]
Current State: 96:[64, 33, 78, 77], Operations: [] Exploring Operation: 64+33=97, Resulting Numbers: [78, 77, 97] Generated Node #2: [78, 77, 97] from Operation: 64+33=97 Current State: 96:[78, 77, 97], Operations: ['64+33=97'] Exploring Operation: 78-77=1, Resulting Numbers: [97, 1] Generated Node #3: [97, 1] from Operation: 78-77=1 Current State: 96:[97, 1], Operations: ['64+33=97', '78-77=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[64, 33, 78, 77], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [64, 33, 1] Generated Node #0,0: 96:[64, 33, 1] Operation: 78-77=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[64, 33, 1], Operations: ['78-77=1'] Exploring Operation: 64+33=97, Resulting Numbers: [1, 97] Generated Node #0,0,0: 96:[1, 97] Operation: 64+33=97 Moving to Node #0,0,0 Current State: 96:[1, 97], Operations: ['78-77=1', '64+33=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[64, 33, 78, 77], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [64, 33, 1] Generated Node #0,0: 96:[64, 33, 1] Operation: 78-77=1 Moving to Node #0,0 Current State: 96:[64, 33, 1], Operations: ['78-77=1'] Exploring Operation: 64+33=97, Resulting Numbers: [1, 97] Generated Node #0,0,0: 96:[1, 97] Operation: 64+33=97 Moving to Node #0,0,0 Current State: 96:[1, 97], Operations: ['78-77=1', '64+33=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 14, 28, 1, 27 ]
70
[ "14+28=42", "1+27=28", "42+28=70" ]
Current State: 70:[14, 28, 1, 27], Operations: [] Exploring Operation: 14+28=42, Resulting Numbers: [1, 27, 42] Generated Node #2: [1, 27, 42] from Operation: 14+28=42 Current State: 70:[1, 27, 42], Operations: ['14+28=42'] Exploring Operation: 1+27=28, Resulting Numbers: [42, 28] Generated Node #3: [42, 28] from Operation: 1+27=28 Current State: 70:[42, 28], Operations: ['14+28=42', '1+27=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[14, 28, 1, 27], Operations: [] Exploring Operation: 14+27=41, Resulting Numbers: [28, 1, 41] Generated Node #0,0: 70:[28, 1, 41] Operation: 14+27=41 Exploring Operation: 28-27=1, Resulting Numbers: [14, 1, 1] Generated Node #0,1: 70:[14, 1, 1] Operation: 28-27=1 Exploring Operation: 28/14=2, Resulting Numbers: [1, 27, 2] Generated Node #0,2: 70:[1, 27, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [1, 27, 14] Generated Node #0,3: 70:[1, 27, 14] Operation: 28-14=14 Exploring Operation: 27-14=13, Resulting Numbers: [28, 1, 13] Generated Node #0,4: 70:[28, 1, 13] Operation: 27-14=13 Moving to Node #0,1 Current State: 70:[14, 1, 1], Operations: ['28-27=1'] Exploring Operation: 1+1=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 70:[14, 2] Operation: 1+1=2 Exploring Operation: 14/1=14, Resulting Numbers: [1, 14] Generated Node #0,1,1: 70:[1, 14] Operation: 14/1=14 Exploring Operation: 14/1=14, Resulting Numbers: [1, 14] Generated Node #0,1,2: 70:[1, 14] Operation: 14/1=14 Exploring Operation: 14*1=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 70:[1, 14] Operation: 14*1=14 Exploring Operation: 14*1=14, Resulting Numbers: [1, 14] Generated Node #0,1,4: 70:[1, 14] Operation: 14*1=14 Moving to Node #0,3 Current State: 70:[1, 27, 14], Operations: ['28-14=14'] Exploring Operation: 27-14=13, Resulting Numbers: [1, 13] Generated Node #0,3,0: 70:[1, 13] Operation: 27-14=13 Exploring Operation: 1+27=28, Resulting Numbers: [14, 28] Generated Node #0,3,1: 70:[14, 28] Operation: 1+27=28 Exploring Operation: 1*27=27, Resulting Numbers: [14, 27] Generated Node #0,3,2: 70:[14, 27] Operation: 1*27=27 Exploring Operation: 27+14=41, Resulting Numbers: [1, 41] Generated Node #0,3,3: 70:[1, 41] Operation: 27+14=41 Exploring Operation: 27/1=27, Resulting Numbers: [14, 27] Generated Node #0,3,4: 70:[14, 27] Operation: 27/1=27 Moving to Node #0,2 Current State: 70:[1, 27, 2], Operations: ['28/14=2'] Exploring Operation: 1*27=27, Resulting Numbers: [2, 27] Generated Node #0,2,0: 70:[2, 27] Operation: 1*27=27 Exploring Operation: 1+27=28, Resulting Numbers: [2, 28] Generated Node #0,2,1: 70:[2, 28] Operation: 1+27=28 Exploring Operation: 1*2=2, Resulting Numbers: [27, 2] Generated Node #0,2,2: 70:[27, 2] Operation: 1*2=2 Exploring Operation: 27+2=29, Resulting Numbers: [1, 29] Generated Node #0,2,3: 70:[1, 29] Operation: 27+2=29 Exploring Operation: 27/1=27, Resulting Numbers: [2, 27] Generated Node #0,2,4: 70:[2, 27] Operation: 27/1=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[2, 28], Operations: ['28/14=2', '1+27=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,70 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,70 unequal: No Solution No 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: 70:[1, 29], Operations: ['28/14=2', '27+2=29'] Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,70 unequal: No Solution No 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: 70:[2, 27], Operations: ['28/14=2', '1*27=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,70 unequal: No Solution No 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: 70:[27, 2], Operations: ['28/14=2', '1*2=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,70 unequal: No Solution No 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: 70:[2, 27], Operations: ['28/14=2', '27/1=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,70 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: 70:[28, 1, 13], Operations: ['27-14=13'] Exploring Operation: 28+1=29, Resulting Numbers: [13, 29] Generated Node #0,4,0: 70:[13, 29] Operation: 28+1=29 Exploring Operation: 28-13=15, Resulting Numbers: [1, 15] Generated Node #0,4,1: 70:[1, 15] Operation: 28-13=15 Exploring Operation: 28*1=28, Resulting Numbers: [13, 28] Generated Node #0,4,2: 70:[13, 28] Operation: 28*1=28 Exploring Operation: 28+13=41, Resulting Numbers: [1, 41] Generated Node #0,4,3: 70:[1, 41] Operation: 28+13=41 Exploring Operation: 1+13=14, Resulting Numbers: [28, 14] Generated Node #0,4,4: 70:[28, 14] Operation: 1+13=14 Moving to Node #0,0 Current State: 70:[28, 1, 41], Operations: ['14+27=41'] Exploring Operation: 41-28=13, Resulting Numbers: [1, 13] Generated Node #0,0,0: 70:[1, 13] Operation: 41-28=13 Exploring Operation: 41-1=40, Resulting Numbers: [28, 40] Generated Node #0,0,1: 70:[28, 40] Operation: 41-1=40 Exploring Operation: 28+1=29, Resulting Numbers: [41, 29] Generated Node #0,0,2: 70:[41, 29] Operation: 28+1=29 Exploring Operation: 28*1=28, Resulting Numbers: [41, 28] Generated Node #0,0,3: 70:[41, 28] Operation: 28*1=28 Exploring Operation: 28+41=69, Resulting Numbers: [1, 69] Generated Node #0,0,4: 70:[1, 69] Operation: 28+41=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[1, 13], Operations: ['14+27=41', '41-28=13'] Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,70 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,70 unequal: No Solution No 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: 70:[1, 69], Operations: ['14+27=41', '28+41=69'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[14, 28, 1, 27], Operations: [] Exploring Operation: 14+27=41, Resulting Numbers: [28, 1, 41] Generated Node #0,0: 70:[28, 1, 41] Operation: 14+27=41 Moving to Node #0,0 Current State: 70:[28, 1, 41], Operations: ['14+27=41'] Exploring Operation: 28+41=69, Resulting Numbers: [1, 69] Generated Node #0,0,4: 70:[1, 69] Operation: 28+41=69 Moving to Node #0,0,4 Current State: 70:[1, 69], Operations: ['14+27=41', '28+41=69'] Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
sum_heuristic
[ 29, 2, 31, 63 ]
99
[ "63-29=34", "2*34=68", "31+68=99" ]
Current State: 99:[29, 2, 31, 63], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [2, 31, 34] Generated Node #2: [2, 31, 34] from Operation: 63-29=34 Current State: 99:[2, 31, 34], Operations: ['63-29=34'] Exploring Operation: 2*34=68, Resulting Numbers: [31, 68] Generated Node #3: [31, 68] from Operation: 2*34=68 Current State: 99:[31, 68], Operations: ['63-29=34', '2*34=68'] Exploring Operation: 31+68=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[29, 2, 31, 63], Operations: [] Exploring Operation: 29+63=92, Resulting Numbers: [2, 31, 92] Generated Node #0,0: 99:[2, 31, 92] Operation: 29+63=92 Exploring Operation: 31-29=2, Resulting Numbers: [2, 63, 2] Generated Node #0,1: 99:[2, 63, 2] Operation: 31-29=2 Exploring Operation: 63-29=34, Resulting Numbers: [2, 31, 34] Generated Node #0,2: 99:[2, 31, 34] Operation: 63-29=34 Exploring Operation: 31+63=94, Resulting Numbers: [29, 2, 94] Generated Node #0,3: 99:[29, 2, 94] Operation: 31+63=94 Exploring Operation: 63-31=32, Resulting Numbers: [29, 2, 32] Generated Node #0,4: 99:[29, 2, 32] Operation: 63-31=32 Moving to Node #0,2 Current State: 99:[2, 31, 34], Operations: ['63-29=34'] Exploring Operation: 2+34=36, Resulting Numbers: [31, 36] Generated Node #0,2,0: 99:[31, 36] Operation: 2+34=36 Exploring Operation: 34-2=32, Resulting Numbers: [31, 32] Generated Node #0,2,1: 99:[31, 32] Operation: 34-2=32 Exploring Operation: 34-31=3, Resulting Numbers: [2, 3] Generated Node #0,2,2: 99:[2, 3] Operation: 34-31=3 Exploring Operation: 2+31=33, Resulting Numbers: [34, 33] Generated Node #0,2,3: 99:[34, 33] Operation: 2+31=33 Exploring Operation: 31-2=29, Resulting Numbers: [34, 29] Generated Node #0,2,4: 99:[34, 29] Operation: 31-2=29 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[2, 3], Operations: ['63-29=34', '34-31=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,99 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 #0,2,3 Current State: 99:[34, 33], Operations: ['63-29=34', '2+31=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,99 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,99 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 #0,2,1 Current State: 99:[31, 32], Operations: ['63-29=34', '34-2=32'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,99 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 #0,2,0 Current State: 99:[31, 36], Operations: ['63-29=34', '2+34=36'] Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,99 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,99 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 #0,2,4 Current State: 99:[34, 29], Operations: ['63-29=34', '31-2=29'] Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,99 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: 99:[29, 2, 32], Operations: ['63-31=32'] Exploring Operation: 32-29=3, Resulting Numbers: [2, 3] Generated Node #0,4,0: 99:[2, 3] Operation: 32-29=3 Exploring Operation: 29-2=27, Resulting Numbers: [32, 27] Generated Node #0,4,1: 99:[32, 27] Operation: 29-2=27 Exploring Operation: 29+2=31, Resulting Numbers: [32, 31] Generated Node #0,4,2: 99:[32, 31] Operation: 29+2=31 Exploring Operation: 32-2=30, Resulting Numbers: [29, 30] Generated Node #0,4,3: 99:[29, 30] Operation: 32-2=30 Exploring Operation: 2+32=34, Resulting Numbers: [29, 34] Generated Node #0,4,4: 99:[29, 34] Operation: 2+32=34 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 99:[2, 3], Operations: ['63-31=32', '32-29=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,99 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 #0,4,2 Current State: 99:[32, 31], Operations: ['63-31=32', '29+2=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,99 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,99 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 #0,4,4 Current State: 99:[29, 34], Operations: ['63-31=32', '2+32=34'] Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,99 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 #0,4,1 Current State: 99:[32, 27], Operations: ['63-31=32', '29-2=27'] Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,99 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,99 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 #0,4,3 Current State: 99:[29, 30], Operations: ['63-31=32', '32-2=30'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 29*30=870, Resulting Numbers: [870] 870,99 unequal: No Solution Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,99 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: 99:[2, 31, 92], Operations: ['29+63=92'] Exploring Operation: 31-2=29, Resulting Numbers: [92, 29] Generated Node #0,0,0: 99:[92, 29] Operation: 31-2=29 Exploring Operation: 92/2=46, Resulting Numbers: [31, 46] Generated Node #0,0,1: 99:[31, 46] Operation: 92/2=46 Exploring Operation: 2+92=94, Resulting Numbers: [31, 94] Generated Node #0,0,2: 99:[31, 94] Operation: 2+92=94 Exploring Operation: 92-2=90, Resulting Numbers: [31, 90] Generated Node #0,0,3: 99:[31, 90] Operation: 92-2=90 Exploring Operation: 2+31=33, Resulting Numbers: [92, 33] Generated Node #0,0,4: 99:[92, 33] Operation: 2+31=33 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 99:[31, 94], Operations: ['29+63=92', '2+92=94'] Exploring Operation: 31+94=125, Resulting Numbers: [125] 125,99 unequal: No Solution Exploring Operation: 31*94=2914, Resulting Numbers: [2914] 2914,99 unequal: No Solution Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,99 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 #0,0,4 Current State: 99:[92, 33], Operations: ['29+63=92', '2+31=33'] Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,99 unequal: No Solution Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,99 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 #0,0,0 Current State: 99:[92, 29], Operations: ['29+63=92', '31-2=29'] Exploring Operation: 92+29=121, Resulting Numbers: [121] 121,99 unequal: No Solution Exploring Operation: 92-29=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 92*29=2668, Resulting Numbers: [2668] 2668,99 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 #0,0,3 Current State: 99:[31, 90], Operations: ['29+63=92', '92-2=90'] Exploring Operation: 31+90=121, Resulting Numbers: [121] 121,99 unequal: No Solution Exploring Operation: 31*90=2790, Resulting Numbers: [2790] 2790,99 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,99 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 #0,0,1 Current State: 99:[31, 46], Operations: ['29+63=92', '92/2=46'] Exploring Operation: 31+46=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 31*46=1426, Resulting Numbers: [1426] 1426,99 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,99 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: 99:[29, 2, 94], Operations: ['31+63=94'] Exploring Operation: 2+94=96, Resulting Numbers: [29, 96] Generated Node #0,3,0: 99:[29, 96] Operation: 2+94=96 Exploring Operation: 94/2=47, Resulting Numbers: [29, 47] Generated Node #0,3,1: 99:[29, 47] Operation: 94/2=47 Exploring Operation: 29-2=27, Resulting Numbers: [94, 27] Generated Node #0,3,2: 99:[94, 27] Operation: 29-2=27 Exploring Operation: 29+2=31, Resulting Numbers: [94, 31] Generated Node #0,3,3: 99:[94, 31] Operation: 29+2=31 Exploring Operation: 94-2=92, Resulting Numbers: [29, 92] Generated Node #0,3,4: 99:[29, 92] Operation: 94-2=92 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 99:[29, 96], Operations: ['31+63=94', '2+94=96'] Exploring Operation: 29+96=125, Resulting Numbers: [125] 125,99 unequal: No Solution Exploring Operation: 29*96=2784, Resulting Numbers: [2784] 2784,99 unequal: No Solution Exploring Operation: 96-29=67, Resulting Numbers: [67] 67,99 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 #0,3,3 Current State: 99:[94, 31], Operations: ['31+63=94', '29+2=31'] Exploring Operation: 94*31=2914, Resulting Numbers: [2914] 2914,99 unequal: No Solution Exploring Operation: 94+31=125, Resulting Numbers: [125] 125,99 unequal: No Solution Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,99 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 #0,3,2 Current State: 99:[94, 27], Operations: ['31+63=94', '29-2=27'] Exploring Operation: 94*27=2538, Resulting Numbers: [2538] 2538,99 unequal: No Solution Exploring Operation: 94+27=121, Resulting Numbers: [121] 121,99 unequal: No Solution Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,99 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 #0,3,4 Current State: 99:[29, 92], Operations: ['31+63=94', '94-2=92'] Exploring Operation: 29*92=2668, Resulting Numbers: [2668] 2668,99 unequal: No Solution Exploring Operation: 92-29=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 29+92=121, Resulting Numbers: [121] 121,99 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 #0,3,1 Current State: 99:[29, 47], Operations: ['31+63=94', '94/2=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,99 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,99 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: 99:[2, 63, 2], Operations: ['31-29=2'] Exploring Operation: 2*63=126, Resulting Numbers: [2, 126] Generated Node #0,1,0: 99:[2, 126] Operation: 2*63=126 Exploring Operation: 63*2=126, Resulting Numbers: [2, 126] Generated Node #0,1,1: 99:[2, 126] Operation: 63*2=126 Exploring Operation: 2+2=4, Resulting Numbers: [63, 4] Generated Node #0,1,2: 99:[63, 4] Operation: 2+2=4 Exploring Operation: 63-2=61, Resulting Numbers: [2, 61] Generated Node #0,1,3: 99:[2, 61] Operation: 63-2=61 Exploring Operation: 63-2=61, Resulting Numbers: [2, 61] Generated Node #0,1,4: 99:[2, 61] Operation: 63-2=61 Moving to Node #0,1,0 Current State: 99:[2, 126], Operations: ['31-29=2', '2*63=126'] Exploring Operation: 2+126=128, Resulting Numbers: [128] 128,99 unequal: No Solution Exploring Operation: 2*126=252, Resulting Numbers: [252] 252,99 unequal: No Solution Exploring Operation: 126-2=124, Resulting Numbers: [124] 124,99 unequal: No Solution Exploring Operation: 126/2=63, Resulting Numbers: [63] 63,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[2, 126], Operations: ['31-29=2', '63*2=126'] Exploring Operation: 2+126=128, Resulting Numbers: [128] 128,99 unequal: No Solution Exploring Operation: 126/2=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 2*126=252, Resulting Numbers: [252] 252,99 unequal: No Solution Exploring Operation: 126-2=124, Resulting Numbers: [124] 124,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[2, 61], Operations: ['31-29=2', '63-2=61'] Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,99 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[2, 61], Operations: ['31-29=2', '63-2=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,99 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[63, 4], Operations: ['31-29=2', '2+2=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,99 unequal: No Solution Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,99 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,99 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 97, 97, 2, 34 ]
66
[ "97/97=1", "34-1=33", "2*33=66" ]
Current State: 66:[97, 97, 2, 34], Operations: [] Exploring Operation: 97/97=1, Resulting Numbers: [2, 34, 1] Generated Node #2: [2, 34, 1] from Operation: 97/97=1 Current State: 66:[2, 34, 1], Operations: ['97/97=1'] Exploring Operation: 34-1=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 34-1=33 Current State: 66:[2, 33], Operations: ['97/97=1', '34-1=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[97, 97, 2, 34], Operations: [] Exploring Operation: 97/97=1, Resulting Numbers: [2, 34, 1] Generated Node #0,0: 66:[2, 34, 1] Operation: 97/97=1 Exploring Operation: 97-34=63, Resulting Numbers: [97, 2, 63] Generated Node #0,1: 66:[97, 2, 63] Operation: 97-34=63 Exploring Operation: 97-97=0, Resulting Numbers: [2, 34, 0] Generated Node #0,2: 66:[2, 34, 0] Operation: 97-97=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[2, 34, 1], Operations: ['97/97=1'] Exploring Operation: 2+1=3, Resulting Numbers: [34, 3] Generated Node #0,0,0: 66:[34, 3] Operation: 2+1=3 Exploring Operation: 34-1=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 66:[2, 33] Operation: 34-1=33 Exploring Operation: 2*1=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 66:[34, 2] Operation: 2*1=2 Moving to Node #0,0,1 Current State: 66:[2, 33], Operations: ['97/97=1', '34-1=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[97, 97, 2, 34], Operations: [] Exploring Operation: 97/97=1, Resulting Numbers: [2, 34, 1] Generated Node #0,0: 66:[2, 34, 1] Operation: 97/97=1 Moving to Node #0,0 Current State: 66:[2, 34, 1], Operations: ['97/97=1'] Exploring Operation: 34-1=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 66:[2, 33] Operation: 34-1=33 Moving to Node #0,0,1 Current State: 66:[2, 33], Operations: ['97/97=1', '34-1=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 69, 1, 2, 5 ]
80
[ "69+1=70", "2*5=10", "70+10=80" ]
Current State: 80:[69, 1, 2, 5], Operations: [] Exploring Operation: 69+1=70, Resulting Numbers: [2, 5, 70] Generated Node #2: [2, 5, 70] from Operation: 69+1=70 Current State: 80:[2, 5, 70], Operations: ['69+1=70'] Exploring Operation: 2*5=10, Resulting Numbers: [70, 10] Generated Node #3: [70, 10] from Operation: 2*5=10 Current State: 80:[70, 10], Operations: ['69+1=70', '2*5=10'] Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[69, 1, 2, 5], Operations: [] Exploring Operation: 69+1=70, Resulting Numbers: [2, 5, 70] Generated Node #0,0: 80:[2, 5, 70] Operation: 69+1=70 Exploring Operation: 69+5=74, Resulting Numbers: [1, 2, 74] Generated Node #0,1: 80:[1, 2, 74] Operation: 69+5=74 Exploring Operation: 69+2=71, Resulting Numbers: [1, 5, 71] Generated Node #0,2: 80:[1, 5, 71] Operation: 69+2=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[1, 2, 74], Operations: ['69+5=74'] Exploring Operation: 1+74=75, Resulting Numbers: [2, 75] Generated Node #0,1,0: 80:[2, 75] Operation: 1+74=75 Exploring Operation: 2+74=76, Resulting Numbers: [1, 76] Generated Node #0,1,1: 80:[1, 76] Operation: 2+74=76 Exploring Operation: 74/2=37, Resulting Numbers: [1, 37] Generated Node #0,1,2: 80:[1, 37] Operation: 74/2=37 Moving to Node #0,1,2 Current State: 80:[1, 37], Operations: ['69+5=74', '74/2=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,80 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[2, 75], Operations: ['69+5=74', '1+74=75'] Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,80 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[1, 76], Operations: ['69+5=74', '2+74=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,80 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,80 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[2, 5, 70], Operations: ['69+1=70'] Exploring Operation: 5+70=75, Resulting Numbers: [2, 75] Generated Node #0,0,0: 80:[2, 75] Operation: 5+70=75 Exploring Operation: 70/5=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 80:[2, 14] Operation: 70/5=14 Exploring Operation: 70/2=35, Resulting Numbers: [5, 35] Generated Node #0,0,2: 80:[5, 35] Operation: 70/2=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[2, 14], Operations: ['69+1=70', '70/5=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,80 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[2, 75], Operations: ['69+1=70', '5+70=75'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,80 unequal: No Solution Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[5, 35], Operations: ['69+1=70', '70/2=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,80 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: 80:[1, 5, 71], Operations: ['69+2=71'] Exploring Operation: 1*5=5, Resulting Numbers: [71, 5] Generated Node #0,2,0: 80:[71, 5] Operation: 1*5=5 Exploring Operation: 5+71=76, Resulting Numbers: [1, 76] Generated Node #0,2,1: 80:[1, 76] Operation: 5+71=76 Exploring Operation: 1+71=72, Resulting Numbers: [5, 72] Generated Node #0,2,2: 80:[5, 72] Operation: 1+71=72 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 80:[1, 76], Operations: ['69+2=71', '5+71=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,80 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,80 unequal: No Solution Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 80:[5, 72], Operations: ['69+2=71', '1+71=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,80 unequal: No Solution Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,80 unequal: No Solution Exploring Operation: 5*72=360, Resulting Numbers: [360] 360,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 80:[71, 5], Operations: ['69+2=71', '1*5=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,80 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,80 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,80 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
[ 54, 10, 40, 50 ]
10
[ "54*10=540", "540-40=500", "500/50=10" ]
Current State: 10:[54, 10, 40, 50], Operations: [] Exploring Operation: 54*10=540, Resulting Numbers: [40, 50, 540] Generated Node #2: [40, 50, 540] from Operation: 54*10=540 Current State: 10:[40, 50, 540], Operations: ['54*10=540'] Exploring Operation: 540-40=500, Resulting Numbers: [50, 500] Generated Node #3: [50, 500] from Operation: 540-40=500 Current State: 10:[50, 500], Operations: ['54*10=540', '540-40=500'] Exploring Operation: 500/50=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[54, 10, 40, 50], Operations: [] Exploring Operation: 54-40=14, Resulting Numbers: [10, 50, 14] Generated Node #0,0: 10:[10, 50, 14] Operation: 54-40=14 Exploring Operation: 50-40=10, Resulting Numbers: [54, 10, 10] Generated Node #0,1: 10:[54, 10, 10] Operation: 50-40=10 Exploring Operation: 54-50=4, Resulting Numbers: [10, 40, 4] Generated Node #0,2: 10:[10, 40, 4] Operation: 54-50=4 Exploring Operation: 50/10=5, Resulting Numbers: [54, 40, 5] Generated Node #0,3: 10:[54, 40, 5] Operation: 50/10=5 Moving to Node #0,2 Current State: 10:[10, 40, 4], Operations: ['54-50=4'] Exploring Operation: 40/10=4, Resulting Numbers: [4, 4] Generated Node #0,2,0: 10:[4, 4] Operation: 40/10=4 Exploring Operation: 40-10=30, Resulting Numbers: [4, 30] Generated Node #0,2,1: 10:[4, 30] Operation: 40-10=30 Exploring Operation: 40-4=36, Resulting Numbers: [10, 36] Generated Node #0,2,2: 10:[10, 36] Operation: 40-4=36 Exploring Operation: 40/4=10, Resulting Numbers: [10, 10] Generated Node #0,2,3: 10:[10, 10] Operation: 40/4=10 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[10, 10], Operations: ['54-50=4', '40/4=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,10 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,10 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,10 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 #0,2,0 Current State: 10:[4, 4], Operations: ['54-50=4', '40/10=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,10 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,10 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 #0,2,1 Current State: 10:[4, 30], Operations: ['54-50=4', '40-10=30'] Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,10 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 #0,2,2 Current State: 10:[10, 36], Operations: ['54-50=4', '40-4=36'] Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,10 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,10 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,10 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: 10:[54, 10, 10], Operations: ['50-40=10'] Exploring Operation: 54-10=44, Resulting Numbers: [10, 44] Generated Node #0,1,0: 10:[10, 44] Operation: 54-10=44 Exploring Operation: 54-10=44, Resulting Numbers: [10, 44] Generated Node #0,1,1: 10:[10, 44] Operation: 54-10=44 Exploring Operation: 10-10=0, Resulting Numbers: [54, 0] Generated Node #0,1,2: 10:[54, 0] Operation: 10-10=0 Exploring Operation: 10/10=1, Resulting Numbers: [54, 1] Generated Node #0,1,3: 10:[54, 1] Operation: 10/10=1 Moving to Node #0,0 Current State: 10:[10, 50, 14], Operations: ['54-40=14'] Exploring Operation: 50-14=36, Resulting Numbers: [10, 36] Generated Node #0,0,0: 10:[10, 36] Operation: 50-14=36 Exploring Operation: 50/10=5, Resulting Numbers: [14, 5] Generated Node #0,0,1: 10:[14, 5] Operation: 50/10=5 Exploring Operation: 50-10=40, Resulting Numbers: [14, 40] Generated Node #0,0,2: 10:[14, 40] Operation: 50-10=40 Exploring Operation: 14-10=4, Resulting Numbers: [50, 4] Generated Node #0,0,3: 10:[50, 4] Operation: 14-10=4 Moving to Node #0,3 Current State: 10:[54, 40, 5], Operations: ['50/10=5'] Exploring Operation: 40/5=8, Resulting Numbers: [54, 8] Generated Node #0,3,0: 10:[54, 8] Operation: 40/5=8 Exploring Operation: 54-5=49, Resulting Numbers: [40, 49] Generated Node #0,3,1: 10:[40, 49] Operation: 54-5=49 Exploring Operation: 40-5=35, Resulting Numbers: [54, 35] Generated Node #0,3,2: 10:[54, 35] Operation: 40-5=35 Exploring Operation: 54-40=14, Resulting Numbers: [5, 14] Generated Node #0,3,3: 10:[5, 14] Operation: 54-40=14 Moving to Node #0,0,1 Current State: 10:[14, 5], Operations: ['54-40=14', '50/10=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[5, 14], Operations: ['50/10=5', '54-40=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[10, 36], Operations: ['54-40=14', '50-14=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,10 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[14, 40], Operations: ['54-40=14', '50-10=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,10 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[10, 44], Operations: ['50-40=10', '54-10=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,10 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[10, 44], Operations: ['50-40=10', '54-10=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,10 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[50, 4], Operations: ['54-40=14', '14-10=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,10 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[54, 1], Operations: ['50-40=10', '10/10=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[54, 8], Operations: ['50/10=5', '40/5=8'] Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,10 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[54, 0], Operations: ['50-40=10', '10-10=0'] Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 54*0=0, Resulting Numbers: [0] 0,10 unequal: No Solution Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[40, 49], Operations: ['50/10=5', '54-5=49'] Exploring Operation: 40*49=1960, Resulting Numbers: [1960] 1960,10 unequal: No Solution Exploring Operation: 40+49=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[54, 35], Operations: ['50/10=5', '40-5=35'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,10 unequal: No Solution No solution found.
0
hs_4
sum_heuristic