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
[ 83, 40, 52, 24 ]
33
[ "83-40=43", "52+24=76", "76-43=33" ]
Current State: 33:[83, 40, 52, 24], Operations: [] Exploring Operation: 83-40=43, Resulting Numbers: [52, 24, 43] Generated Node #2: [52, 24, 43] from Operation: 83-40=43 Current State: 33:[52, 24, 43], Operations: ['83-40=43'] Exploring Operation: 52+24=76, Resulting Numbers: [43, 76] Generated Node #3: [43, 76] from Operation: 52+24=76 Current State: 33:[43, 76], Operations: ['83-40=43', '52+24=76'] Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[83, 40, 52, 24], Operations: [] Exploring Operation: 52-24=28, Resulting Numbers: [83, 40, 28] Generated Node #0,0: 33:[83, 40, 28] Operation: 52-24=28 Exploring Operation: 52-40=12, Resulting Numbers: [83, 24, 12] Generated Node #0,1: 33:[83, 24, 12] Operation: 52-40=12 Exploring Operation: 83-40=43, Resulting Numbers: [52, 24, 43] Generated Node #0,2: 33:[52, 24, 43] Operation: 83-40=43 Exploring Operation: 83-52=31, Resulting Numbers: [40, 24, 31] Generated Node #0,3: 33:[40, 24, 31] Operation: 83-52=31 Exploring Operation: 83-24=59, Resulting Numbers: [40, 52, 59] Generated Node #0,4: 33:[40, 52, 59] Operation: 83-24=59 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[40, 24, 31], Operations: ['83-52=31'] Exploring Operation: 31-24=7, Resulting Numbers: [40, 7] Generated Node #0,3,0: 33:[40, 7] Operation: 31-24=7 Exploring Operation: 40-24=16, Resulting Numbers: [31, 16] Generated Node #0,3,1: 33:[31, 16] Operation: 40-24=16 Exploring Operation: 40+24=64, Resulting Numbers: [31, 64] Generated Node #0,3,2: 33:[31, 64] Operation: 40+24=64 Exploring Operation: 40-31=9, Resulting Numbers: [24, 9] Generated Node #0,3,3: 33:[24, 9] Operation: 40-31=9 Exploring Operation: 24+31=55, Resulting Numbers: [40, 55] Generated Node #0,3,4: 33:[40, 55] Operation: 24+31=55 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[31, 16], Operations: ['83-52=31', '40-24=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,33 unequal: No Solution No 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: 33:[40, 7], Operations: ['83-52=31', '31-24=7'] Exploring Operation: 40*7=280, Resulting Numbers: [280] 280,33 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[83, 40, 52, 24], Operations: [] Exploring Operation: 83-52=31, Resulting Numbers: [40, 24, 31] Generated Node #0,3: 33:[40, 24, 31] Operation: 83-52=31 Moving to Node #0,3 Current State: 33:[40, 24, 31], Operations: ['83-52=31'] Exploring Operation: 31-24=7, Resulting Numbers: [40, 7] Generated Node #0,3,0: 33:[40, 7] Operation: 31-24=7 Moving to Node #0,3,0 Current State: 33:[40, 7], Operations: ['83-52=31', '31-24=7'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 49, 75, 82, 46 ]
97
[ "49*75=3675", "82*46=3772", "3772-3675=97" ]
Current State: 97:[49, 75, 82, 46], Operations: [] Exploring Operation: 49*75=3675, Resulting Numbers: [82, 46, 3675] Generated Node #2: [82, 46, 3675] from Operation: 49*75=3675 Current State: 97:[82, 46, 3675], Operations: ['49*75=3675'] Exploring Operation: 82*46=3772, Resulting Numbers: [3675, 3772] Generated Node #3: [3675, 3772] from Operation: 82*46=3772 Current State: 97:[3675, 3772], Operations: ['49*75=3675', '82*46=3772'] Exploring Operation: 3772-3675=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[49, 75, 82, 46], Operations: [] Exploring Operation: 49+82=131, Resulting Numbers: [75, 46, 131] Generated Node #0,0: 97:[75, 46, 131] Operation: 49+82=131 Exploring Operation: 49+46=95, Resulting Numbers: [75, 82, 95] Generated Node #0,1: 97:[75, 82, 95] Operation: 49+46=95 Exploring Operation: 82+46=128, Resulting Numbers: [49, 75, 128] Generated Node #0,2: 97:[49, 75, 128] Operation: 82+46=128 Exploring Operation: 75+46=121, Resulting Numbers: [49, 82, 121] Generated Node #0,3: 97:[49, 82, 121] Operation: 75+46=121 Exploring Operation: 49+75=124, Resulting Numbers: [82, 46, 124] Generated Node #0,4: 97:[82, 46, 124] Operation: 49+75=124 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[75, 82, 95], Operations: ['49+46=95'] Exploring Operation: 75+95=170, Resulting Numbers: [82, 170] Generated Node #0,1,0: 97:[82, 170] Operation: 75+95=170 Exploring Operation: 95-75=20, Resulting Numbers: [82, 20] Generated Node #0,1,1: 97:[82, 20] Operation: 95-75=20 Exploring Operation: 75+82=157, Resulting Numbers: [95, 157] Generated Node #0,1,2: 97:[95, 157] Operation: 75+82=157 Exploring Operation: 82-75=7, Resulting Numbers: [95, 7] Generated Node #0,1,3: 97:[95, 7] Operation: 82-75=7 Exploring Operation: 82+95=177, Resulting Numbers: [75, 177] Generated Node #0,1,4: 97:[75, 177] Operation: 82+95=177 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[95, 157], Operations: ['49+46=95', '75+82=157'] Exploring Operation: 95+157=252, Resulting Numbers: [252] 252,97 unequal: No Solution Exploring Operation: 95*157=14915, Resulting Numbers: [14915] 14915,97 unequal: No Solution Exploring Operation: 157-95=62, Resulting Numbers: [62] 62,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[82, 170], Operations: ['49+46=95', '75+95=170'] Exploring Operation: 82*170=13940, Resulting Numbers: [13940] 13940,97 unequal: No Solution Exploring Operation: 170-82=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 82+170=252, Resulting Numbers: [252] 252,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[82, 20], Operations: ['49+46=95', '95-75=20'] Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,97 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[95, 7], Operations: ['49+46=95', '82-75=7'] Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 95*7=665, Resulting Numbers: [665] 665,97 unequal: No Solution Exploring Operation: 95+7=102, Resulting Numbers: [102] 102,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 97:[75, 177], Operations: ['49+46=95', '82+95=177'] Exploring Operation: 177-75=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 75*177=13275, Resulting Numbers: [13275] 13275,97 unequal: No Solution Exploring Operation: 75+177=252, Resulting Numbers: [252] 252,97 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: 97:[49, 82, 121], Operations: ['75+46=121'] Exploring Operation: 49+121=170, Resulting Numbers: [82, 170] Generated Node #0,3,0: 97:[82, 170] Operation: 49+121=170 Exploring Operation: 49+82=131, Resulting Numbers: [121, 131] Generated Node #0,3,1: 97:[121, 131] Operation: 49+82=131 Exploring Operation: 121-49=72, Resulting Numbers: [82, 72] Generated Node #0,3,2: 97:[82, 72] Operation: 121-49=72 Exploring Operation: 82-49=33, Resulting Numbers: [121, 33] Generated Node #0,3,3: 97:[121, 33] Operation: 82-49=33 Exploring Operation: 121-82=39, Resulting Numbers: [49, 39] Generated Node #0,3,4: 97:[49, 39] Operation: 121-82=39 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[82, 72], Operations: ['75+46=121', '121-49=72'] Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 82*72=5904, Resulting Numbers: [5904] 5904,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[121, 131], Operations: ['75+46=121', '49+82=131'] Exploring Operation: 121*131=15851, Resulting Numbers: [15851] 15851,97 unequal: No Solution Exploring Operation: 131-121=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 121+131=252, Resulting Numbers: [252] 252,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[82, 170], Operations: ['75+46=121', '49+121=170'] Exploring Operation: 82*170=13940, Resulting Numbers: [13940] 13940,97 unequal: No Solution Exploring Operation: 170-82=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 82+170=252, Resulting Numbers: [252] 252,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[121, 33], Operations: ['75+46=121', '82-49=33'] Exploring Operation: 121*33=3993, Resulting Numbers: [3993] 3993,97 unequal: No Solution Exploring Operation: 121+33=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 121-33=88, Resulting Numbers: [88] 88,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 97:[49, 39], Operations: ['75+46=121', '121-82=39'] Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,97 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: 97:[82, 46, 124], Operations: ['49+75=124'] Exploring Operation: 124-82=42, Resulting Numbers: [46, 42] Generated Node #0,4,0: 97:[46, 42] Operation: 124-82=42 Exploring Operation: 46+124=170, Resulting Numbers: [82, 170] Generated Node #0,4,1: 97:[82, 170] Operation: 46+124=170 Exploring Operation: 82-46=36, Resulting Numbers: [124, 36] Generated Node #0,4,2: 97:[124, 36] Operation: 82-46=36 Exploring Operation: 124-46=78, Resulting Numbers: [82, 78] Generated Node #0,4,3: 97:[82, 78] Operation: 124-46=78 Exploring Operation: 82+46=128, Resulting Numbers: [124, 128] Generated Node #0,4,4: 97:[124, 128] Operation: 82+46=128 Moving to Node #0,4,3 Current State: 97:[82, 78], Operations: ['49+75=124', '124-46=78'] Exploring Operation: 82*78=6396, Resulting Numbers: [6396] 6396,97 unequal: No Solution Exploring Operation: 82+78=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 82-78=4, Resulting Numbers: [4] 4,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[124, 128], Operations: ['49+75=124', '82+46=128'] Exploring Operation: 128-124=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 124*128=15872, Resulting Numbers: [15872] 15872,97 unequal: No Solution Exploring Operation: 124+128=252, Resulting Numbers: [252] 252,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[82, 170], Operations: ['49+75=124', '46+124=170'] Exploring Operation: 82+170=252, Resulting Numbers: [252] 252,97 unequal: No Solution Exploring Operation: 170-82=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 82*170=13940, Resulting Numbers: [13940] 13940,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[124, 36], Operations: ['49+75=124', '82-46=36'] Exploring Operation: 124+36=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 124-36=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 124*36=4464, Resulting Numbers: [4464] 4464,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[46, 42], Operations: ['49+75=124', '124-82=42'] Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,97 unequal: No Solution No 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: 97:[49, 75, 128], Operations: ['82+46=128'] Exploring Operation: 128-49=79, Resulting Numbers: [75, 79] Generated Node #0,2,0: 97:[75, 79] Operation: 128-49=79 Exploring Operation: 128-75=53, Resulting Numbers: [49, 53] Generated Node #0,2,1: 97:[49, 53] Operation: 128-75=53 Exploring Operation: 49+128=177, Resulting Numbers: [75, 177] Generated Node #0,2,2: 97:[75, 177] Operation: 49+128=177 Exploring Operation: 75-49=26, Resulting Numbers: [128, 26] Generated Node #0,2,3: 97:[128, 26] Operation: 75-49=26 Exploring Operation: 49+75=124, Resulting Numbers: [128, 124] Generated Node #0,2,4: 97:[128, 124] Operation: 49+75=124 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[75, 79], Operations: ['82+46=128', '128-49=79'] Exploring Operation: 75+79=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 75*79=5925, Resulting Numbers: [5925] 5925,97 unequal: No Solution Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 97:[128, 124], Operations: ['82+46=128', '49+75=124'] Exploring Operation: 128*124=15872, Resulting Numbers: [15872] 15872,97 unequal: No Solution Exploring Operation: 128+124=252, Resulting Numbers: [252] 252,97 unequal: No Solution Exploring Operation: 128-124=4, Resulting Numbers: [4] 4,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[49, 53], Operations: ['82+46=128', '128-75=53'] Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 49*53=2597, Resulting Numbers: [2597] 2597,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[75, 177], Operations: ['82+46=128', '49+128=177'] Exploring Operation: 177-75=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 75*177=13275, Resulting Numbers: [13275] 13275,97 unequal: No Solution Exploring Operation: 75+177=252, Resulting Numbers: [252] 252,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[128, 26], Operations: ['82+46=128', '75-49=26'] Exploring Operation: 128-26=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 128+26=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 128*26=3328, Resulting Numbers: [3328] 3328,97 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: 97:[75, 46, 131], Operations: ['49+82=131'] Exploring Operation: 131-46=85, Resulting Numbers: [75, 85] Generated Node #0,0,0: 97:[75, 85] Operation: 131-46=85 Exploring Operation: 75-46=29, Resulting Numbers: [131, 29] Generated Node #0,0,1: 97:[131, 29] Operation: 75-46=29 Exploring Operation: 75+46=121, Resulting Numbers: [131, 121] Generated Node #0,0,2: 97:[131, 121] Operation: 75+46=121 Exploring Operation: 131-75=56, Resulting Numbers: [46, 56] Generated Node #0,0,3: 97:[46, 56] Operation: 131-75=56 Exploring Operation: 46+131=177, Resulting Numbers: [75, 177] Generated Node #0,0,4: 97:[75, 177] Operation: 46+131=177 Moving to Node #0,0,0 Current State: 97:[75, 85], Operations: ['49+82=131', '131-46=85'] Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,97 unequal: No Solution Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[131, 121], Operations: ['49+82=131', '75+46=121'] Exploring Operation: 131+121=252, Resulting Numbers: [252] 252,97 unequal: No Solution Exploring Operation: 131*121=15851, Resulting Numbers: [15851] 15851,97 unequal: No Solution Exploring Operation: 131-121=10, Resulting Numbers: [10] 10,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[46, 56], Operations: ['49+82=131', '131-75=56'] Exploring Operation: 46+56=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 46*56=2576, Resulting Numbers: [2576] 2576,97 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[131, 29], Operations: ['49+82=131', '75-46=29'] Exploring Operation: 131-29=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 131*29=3799, Resulting Numbers: [3799] 3799,97 unequal: No Solution Exploring Operation: 131+29=160, Resulting Numbers: [160] 160,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[75, 177], Operations: ['49+82=131', '46+131=177'] Exploring Operation: 75*177=13275, Resulting Numbers: [13275] 13275,97 unequal: No Solution Exploring Operation: 177-75=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 75+177=252, Resulting Numbers: [252] 252,97 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
[ 63, 83, 55, 5 ]
15
[ "83-63=20", "55+20=75", "75/5=15" ]
Current State: 15:[63, 83, 55, 5], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [55, 5, 20] Generated Node #2: [55, 5, 20] from Operation: 83-63=20 Current State: 15:[55, 5, 20], Operations: ['83-63=20'] Exploring Operation: 55+20=75, Resulting Numbers: [5, 75] Generated Node #3: [5, 75] from Operation: 55+20=75 Current State: 15:[5, 75], Operations: ['83-63=20', '55+20=75'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[63, 83, 55, 5], Operations: [] Exploring Operation: 83-55=28, Resulting Numbers: [63, 5, 28] Generated Node #0,0: 15:[63, 5, 28] Operation: 83-55=28 Exploring Operation: 63-5=58, Resulting Numbers: [83, 55, 58] Generated Node #0,1: 15:[83, 55, 58] Operation: 63-5=58 Exploring Operation: 63-55=8, Resulting Numbers: [83, 5, 8] Generated Node #0,2: 15:[83, 5, 8] Operation: 63-55=8 Exploring Operation: 55/5=11, Resulting Numbers: [63, 83, 11] Generated Node #0,3: 15:[63, 83, 11] Operation: 55/5=11 Exploring Operation: 83-63=20, Resulting Numbers: [55, 5, 20] Generated Node #0,4: 15:[55, 5, 20] Operation: 83-63=20 Moving to Node #0,4 Current State: 15:[55, 5, 20], Operations: ['83-63=20'] Exploring Operation: 55-5=50, Resulting Numbers: [20, 50] Generated Node #0,4,0: 15:[20, 50] Operation: 55-5=50 Exploring Operation: 55-20=35, Resulting Numbers: [5, 35] Generated Node #0,4,1: 15:[5, 35] Operation: 55-20=35 Exploring Operation: 20-5=15, Resulting Numbers: [55, 15] Generated Node #0,4,2: 15:[55, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [55, 4] Generated Node #0,4,3: 15:[55, 4] Operation: 20/5=4 Exploring Operation: 55/5=11, Resulting Numbers: [20, 11] Generated Node #0,4,4: 15:[20, 11] Operation: 55/5=11 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 15:[20, 11], Operations: ['83-63=20', '55/5=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,15 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 15:[5, 35], Operations: ['83-63=20', '55-20=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,15 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 15:[20, 50], Operations: ['83-63=20', '55-5=50'] Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,15 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 15:[55, 15], Operations: ['83-63=20', '20-5=15'] Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,15 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 15:[55, 4], Operations: ['83-63=20', '20/5=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,15 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,15 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 15:[63, 5, 28], Operations: ['83-55=28'] Exploring Operation: 5+28=33, Resulting Numbers: [63, 33] Generated Node #0,0,0: 15:[63, 33] Operation: 5+28=33 Exploring Operation: 63+5=68, Resulting Numbers: [28, 68] Generated Node #0,0,1: 15:[28, 68] Operation: 63+5=68 Exploring Operation: 63-5=58, Resulting Numbers: [28, 58] Generated Node #0,0,2: 15:[28, 58] Operation: 63-5=58 Exploring Operation: 63-28=35, Resulting Numbers: [5, 35] Generated Node #0,0,3: 15:[5, 35] Operation: 63-28=35 Exploring Operation: 28-5=23, Resulting Numbers: [63, 23] Generated Node #0,0,4: 15:[63, 23] Operation: 28-5=23 Moving to Node #0,2 Current State: 15:[83, 5, 8], Operations: ['63-55=8'] Exploring Operation: 83+5=88, Resulting Numbers: [8, 88] Generated Node #0,2,0: 15:[8, 88] Operation: 83+5=88 Exploring Operation: 83-5=78, Resulting Numbers: [8, 78] Generated Node #0,2,1: 15:[8, 78] Operation: 83-5=78 Exploring Operation: 8-5=3, Resulting Numbers: [83, 3] Generated Node #0,2,2: 15:[83, 3] Operation: 8-5=3 Exploring Operation: 5+8=13, Resulting Numbers: [83, 13] Generated Node #0,2,3: 15:[83, 13] Operation: 5+8=13 Exploring Operation: 83-8=75, Resulting Numbers: [5, 75] Generated Node #0,2,4: 15:[5, 75] Operation: 83-8=75 Moving to Node #0,3 Current State: 15:[63, 83, 11], Operations: ['55/5=11'] Exploring Operation: 83-11=72, Resulting Numbers: [63, 72] Generated Node #0,3,0: 15:[63, 72] Operation: 83-11=72 Exploring Operation: 83-63=20, Resulting Numbers: [11, 20] Generated Node #0,3,1: 15:[11, 20] Operation: 83-63=20 Exploring Operation: 63-11=52, Resulting Numbers: [83, 52] Generated Node #0,3,2: 15:[83, 52] Operation: 63-11=52 Exploring Operation: 63+11=74, Resulting Numbers: [83, 74] Generated Node #0,3,3: 15:[83, 74] Operation: 63+11=74 Exploring Operation: 83+11=94, Resulting Numbers: [63, 94] Generated Node #0,3,4: 15:[63, 94] Operation: 83+11=94 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[11, 20], Operations: ['55/5=11', '83-63=20'] Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,15 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[63, 72], Operations: ['55/5=11', '83-11=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,15 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 15:[83, 52], Operations: ['55/5=11', '63-11=52'] Exploring Operation: 83*52=4316, Resulting Numbers: [4316] 4316,15 unequal: No Solution Exploring Operation: 83+52=135, Resulting Numbers: [135] 135,15 unequal: No Solution Exploring Operation: 83-52=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[83, 74], Operations: ['55/5=11', '63+11=74'] Exploring Operation: 83-74=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 83*74=6142, Resulting Numbers: [6142] 6142,15 unequal: No Solution Exploring Operation: 83+74=157, Resulting Numbers: [157] 157,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 15:[63, 94], Operations: ['55/5=11', '83+11=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,15 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,15 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[83, 55, 58], Operations: ['63-5=58'] Exploring Operation: 83+58=141, Resulting Numbers: [55, 141] Generated Node #0,1,0: 15:[55, 141] Operation: 83+58=141 Exploring Operation: 58-55=3, Resulting Numbers: [83, 3] Generated Node #0,1,1: 15:[83, 3] Operation: 58-55=3 Exploring Operation: 83+55=138, Resulting Numbers: [58, 138] Generated Node #0,1,2: 15:[58, 138] Operation: 83+55=138 Exploring Operation: 83-58=25, Resulting Numbers: [55, 25] Generated Node #0,1,3: 15:[55, 25] Operation: 83-58=25 Exploring Operation: 83-55=28, Resulting Numbers: [58, 28] Generated Node #0,1,4: 15:[58, 28] Operation: 83-55=28 Moving to Node #0,0,3 Current State: 15:[5, 35], Operations: ['83-55=28', '63-28=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,15 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[55, 25], Operations: ['63-5=58', '83-58=25'] Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,15 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,15 unequal: No Solution Moving to Node #0,0,4 Current State: 15:[63, 23], Operations: ['83-55=28', '28-5=23'] Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,15 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,15 unequal: No Solution Moving to Node #0,1,4 Current State: 15:[58, 28], Operations: ['63-5=58', '83-55=28'] Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,15 unequal: No Solution Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[28, 58], Operations: ['83-55=28', '63-5=58'] Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 28+58=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 28*58=1624, Resulting Numbers: [1624] 1624,15 unequal: No Solution Moving to Node #0,2,4 Current State: 15:[5, 75], Operations: ['63-55=8', '83-8=75'] Exploring Operation: 5*75=375, Resulting Numbers: [375] 375,15 unequal: No Solution Exploring Operation: 5+75=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[63, 83, 55, 5], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [83, 5, 8] Generated Node #0,2: 15:[83, 5, 8] Operation: 63-55=8 Moving to Node #0,2 Current State: 15:[83, 5, 8], Operations: ['63-55=8'] Exploring Operation: 83-8=75, Resulting Numbers: [5, 75] Generated Node #0,2,4: 15:[5, 75] Operation: 83-8=75 Moving to Node #0,2,4 Current State: 15:[5, 75], Operations: ['63-55=8', '83-8=75'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.926215
hs_5
sum_heuristic
[ 43, 44, 8, 46 ]
94
[ "46-44=2", "43*2=86", "8+86=94" ]
Current State: 94:[43, 44, 8, 46], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [43, 8, 2] Generated Node #2: [43, 8, 2] from Operation: 46-44=2 Current State: 94:[43, 8, 2], Operations: ['46-44=2'] Exploring Operation: 43*2=86, Resulting Numbers: [8, 86] Generated Node #3: [8, 86] from Operation: 43*2=86 Current State: 94:[8, 86], Operations: ['46-44=2', '43*2=86'] Exploring Operation: 8+86=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[43, 44, 8, 46], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [44, 46, 51] Generated Node #0,0: 94:[44, 46, 51] Operation: 43+8=51 Exploring Operation: 44+8=52, Resulting Numbers: [43, 46, 52] Generated Node #0,1: 94:[43, 46, 52] Operation: 44+8=52 Exploring Operation: 44-43=1, Resulting Numbers: [8, 46, 1] Generated Node #0,2: 94:[8, 46, 1] Operation: 44-43=1 Exploring Operation: 46-43=3, Resulting Numbers: [44, 8, 3] Generated Node #0,3: 94:[44, 8, 3] Operation: 46-43=3 Exploring Operation: 46-44=2, Resulting Numbers: [43, 8, 2] Generated Node #0,4: 94:[43, 8, 2] Operation: 46-44=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[44, 46, 51], Operations: ['43+8=51'] Exploring Operation: 46+51=97, Resulting Numbers: [44, 97] Generated Node #0,0,0: 94:[44, 97] Operation: 46+51=97 Exploring Operation: 44+51=95, Resulting Numbers: [46, 95] Generated Node #0,0,1: 94:[46, 95] Operation: 44+51=95 Exploring Operation: 51-46=5, Resulting Numbers: [44, 5] Generated Node #0,0,2: 94:[44, 5] Operation: 51-46=5 Exploring Operation: 51-44=7, Resulting Numbers: [46, 7] Generated Node #0,0,3: 94:[46, 7] Operation: 51-44=7 Exploring Operation: 46-44=2, Resulting Numbers: [51, 2] Generated Node #0,0,4: 94:[51, 2] Operation: 46-44=2 Moving to Node #0,0,1 Current State: 94:[46, 95], Operations: ['43+8=51', '44+51=95'] Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,94 unequal: No Solution Moving to Node #0,0,4 Current State: 94:[51, 2], Operations: ['43+8=51', '46-44=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[44, 97], Operations: ['43+8=51', '46+51=97'] Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 44*97=4268, Resulting Numbers: [4268] 4268,94 unequal: No Solution Exploring Operation: 44+97=141, Resulting Numbers: [141] 141,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[44, 5], Operations: ['43+8=51', '51-46=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,94 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,0,3 Current State: 94:[46, 7], Operations: ['43+8=51', '51-44=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,94 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[8, 46, 1], Operations: ['44-43=1'] Exploring Operation: 8-1=7, Resulting Numbers: [46, 7] Generated Node #0,2,0: 94:[46, 7] Operation: 8-1=7 Exploring Operation: 46*1=46, Resulting Numbers: [8, 46] Generated Node #0,2,1: 94:[8, 46] Operation: 46*1=46 Exploring Operation: 8*1=8, Resulting Numbers: [46, 8] Generated Node #0,2,2: 94:[46, 8] Operation: 8*1=8 Exploring Operation: 46+1=47, Resulting Numbers: [8, 47] Generated Node #0,2,3: 94:[8, 47] Operation: 46+1=47 Exploring Operation: 8/1=8, Resulting Numbers: [46, 8] Generated Node #0,2,4: 94:[46, 8] Operation: 8/1=8 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[46, 7], Operations: ['44-43=1', '8-1=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,94 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 94:[8, 47], Operations: ['44-43=1', '46+1=47'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[8, 46], Operations: ['44-43=1', '46*1=46'] Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,94 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[46, 8], Operations: ['44-43=1', '8*1=8'] Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,94 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 94:[46, 8], Operations: ['44-43=1', '8/1=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,94 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[43, 46, 52], Operations: ['44+8=52'] Exploring Operation: 52-46=6, Resulting Numbers: [43, 6] Generated Node #0,1,0: 94:[43, 6] Operation: 52-46=6 Exploring Operation: 43+52=95, Resulting Numbers: [46, 95] Generated Node #0,1,1: 94:[46, 95] Operation: 43+52=95 Exploring Operation: 52-43=9, Resulting Numbers: [46, 9] Generated Node #0,1,2: 94:[46, 9] Operation: 52-43=9 Exploring Operation: 46-43=3, Resulting Numbers: [52, 3] Generated Node #0,1,3: 94:[52, 3] Operation: 46-43=3 Exploring Operation: 46+52=98, Resulting Numbers: [43, 98] Generated Node #0,1,4: 94:[43, 98] Operation: 46+52=98 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[46, 95], Operations: ['44+8=52', '43+52=95'] Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,94 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 94:[52, 3], Operations: ['44+8=52', '46-43=3'] Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,94 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[43, 6], Operations: ['44+8=52', '52-46=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,94 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[46, 9], Operations: ['44+8=52', '52-43=9'] Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,94 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,94 unequal: No Solution Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 94:[43, 98], Operations: ['44+8=52', '46+52=98'] Exploring Operation: 43+98=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 43*98=4214, Resulting Numbers: [4214] 4214,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[44, 8, 3], Operations: ['46-43=3'] Exploring Operation: 44+8=52, Resulting Numbers: [3, 52] Generated Node #0,3,0: 94:[3, 52] Operation: 44+8=52 Exploring Operation: 44-8=36, Resulting Numbers: [3, 36] Generated Node #0,3,1: 94:[3, 36] Operation: 44-8=36 Exploring Operation: 44-3=41, Resulting Numbers: [8, 41] Generated Node #0,3,2: 94:[8, 41] Operation: 44-3=41 Exploring Operation: 44+3=47, Resulting Numbers: [8, 47] Generated Node #0,3,3: 94:[8, 47] Operation: 44+3=47 Exploring Operation: 8-3=5, Resulting Numbers: [44, 5] Generated Node #0,3,4: 94:[44, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 94:[3, 52], Operations: ['46-43=3', '44+8=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,94 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 94:[8, 47], Operations: ['46-43=3', '44+3=47'] Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,94 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 94:[44, 5], Operations: ['46-43=3', '8-3=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 94:[3, 36], Operations: ['46-43=3', '44-8=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,94 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 94:[8, 41], Operations: ['46-43=3', '44-3=41'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,94 unequal: No Solution Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[43, 8, 2], Operations: ['46-44=2'] Exploring Operation: 43+2=45, Resulting Numbers: [8, 45] Generated Node #0,4,0: 94:[8, 45] Operation: 43+2=45 Exploring Operation: 8/2=4, Resulting Numbers: [43, 4] Generated Node #0,4,1: 94:[43, 4] Operation: 8/2=4 Exploring Operation: 43+8=51, Resulting Numbers: [2, 51] Generated Node #0,4,2: 94:[2, 51] Operation: 43+8=51 Exploring Operation: 43-8=35, Resulting Numbers: [2, 35] Generated Node #0,4,3: 94:[2, 35] Operation: 43-8=35 Exploring Operation: 8-2=6, Resulting Numbers: [43, 6] Generated Node #0,4,4: 94:[43, 6] Operation: 8-2=6 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[2, 51], Operations: ['46-44=2', '43+8=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 94:[43, 4], Operations: ['46-44=2', '8/2=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,94 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 94:[8, 45], Operations: ['46-44=2', '43+2=45'] Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,94 unequal: No Solution Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 94:[43, 6], Operations: ['46-44=2', '8-2=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,94 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 94:[2, 35], Operations: ['46-44=2', '43-8=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,94 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 28, 78, 58, 99 ]
51
[ "28+78=106", "58+99=157", "157-106=51" ]
Current State: 51:[28, 78, 58, 99], Operations: [] Exploring Operation: 28+78=106, Resulting Numbers: [58, 99, 106] Generated Node #2: [58, 99, 106] from Operation: 28+78=106 Current State: 51:[58, 99, 106], Operations: ['28+78=106'] Exploring Operation: 58+99=157, Resulting Numbers: [106, 157] Generated Node #3: [106, 157] from Operation: 58+99=157 Current State: 51:[106, 157], Operations: ['28+78=106', '58+99=157'] Exploring Operation: 157-106=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[28, 78, 58, 99], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [28, 58, 21] Generated Node #0,0: 51:[28, 58, 21] Operation: 99-78=21 Exploring Operation: 78-58=20, Resulting Numbers: [28, 99, 20] Generated Node #0,1: 51:[28, 99, 20] Operation: 78-58=20 Exploring Operation: 78-28=50, Resulting Numbers: [58, 99, 50] Generated Node #0,2: 51:[58, 99, 50] Operation: 78-28=50 Exploring Operation: 99-28=71, Resulting Numbers: [78, 58, 71] Generated Node #0,3: 51:[78, 58, 71] Operation: 99-28=71 Exploring Operation: 99-58=41, Resulting Numbers: [28, 78, 41] Generated Node #0,4: 51:[28, 78, 41] Operation: 99-58=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[28, 58, 21], Operations: ['99-78=21'] Exploring Operation: 28+58=86, Resulting Numbers: [21, 86] Generated Node #0,0,0: 51:[21, 86] Operation: 28+58=86 Exploring Operation: 28+21=49, Resulting Numbers: [58, 49] Generated Node #0,0,1: 51:[58, 49] Operation: 28+21=49 Exploring Operation: 58-21=37, Resulting Numbers: [28, 37] Generated Node #0,0,2: 51:[28, 37] Operation: 58-21=37 Exploring Operation: 28-21=7, Resulting Numbers: [58, 7] Generated Node #0,0,3: 51:[58, 7] Operation: 28-21=7 Exploring Operation: 58-28=30, Resulting Numbers: [21, 30] Generated Node #0,0,4: 51:[21, 30] Operation: 58-28=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[58, 49], Operations: ['99-78=21', '28+21=49'] Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,51 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[58, 7], Operations: ['99-78=21', '28-21=7'] Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,51 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,51 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[28, 78, 58, 99], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [28, 58, 21] Generated Node #0,0: 51:[28, 58, 21] Operation: 99-78=21 Moving to Node #0,0 Current State: 51:[28, 58, 21], Operations: ['99-78=21'] Exploring Operation: 28-21=7, Resulting Numbers: [58, 7] Generated Node #0,0,3: 51:[58, 7] Operation: 28-21=7 Moving to Node #0,0,3 Current State: 51:[58, 7], Operations: ['99-78=21', '28-21=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 92, 92, 6, 91 ]
96
[ "92/92=1", "6+91=97", "97-1=96" ]
Current State: 96:[92, 92, 6, 91], Operations: [] Exploring Operation: 92/92=1, Resulting Numbers: [6, 91, 1] Generated Node #2: [6, 91, 1] from Operation: 92/92=1 Current State: 96:[6, 91, 1], Operations: ['92/92=1'] Exploring Operation: 6+91=97, Resulting Numbers: [1, 97] Generated Node #3: [1, 97] from Operation: 6+91=97 Current State: 96:[1, 97], Operations: ['92/92=1', '6+91=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[92, 92, 6, 91], Operations: [] Exploring Operation: 92-92=0, Resulting Numbers: [6, 91, 0] Generated Node #0,0: 96:[6, 91, 0] Operation: 92-92=0 Exploring Operation: 6+91=97, Resulting Numbers: [92, 92, 97] Generated Node #0,1: 96:[92, 92, 97] Operation: 6+91=97 Exploring Operation: 92-91=1, Resulting Numbers: [92, 6, 1] Generated Node #0,2: 96:[92, 6, 1] Operation: 92-91=1 Exploring Operation: 92/92=1, Resulting Numbers: [6, 91, 1] Generated Node #0,3: 96:[6, 91, 1] Operation: 92/92=1 Exploring Operation: 92-91=1, Resulting Numbers: [92, 6, 1] Generated Node #0,4: 96:[92, 6, 1] Operation: 92-91=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[92, 6, 1], Operations: ['92-91=1'] Exploring Operation: 92+1=93, Resulting Numbers: [6, 93] Generated Node #0,2,0: 96:[6, 93] Operation: 92+1=93 Exploring Operation: 92*1=92, Resulting Numbers: [6, 92] Generated Node #0,2,1: 96:[6, 92] Operation: 92*1=92 Exploring Operation: 6*1=6, Resulting Numbers: [92, 6] Generated Node #0,2,2: 96:[92, 6] Operation: 6*1=6 Exploring Operation: 92/1=92, Resulting Numbers: [6, 92] Generated Node #0,2,3: 96:[6, 92] Operation: 92/1=92 Exploring Operation: 92+6=98, Resulting Numbers: [1, 98] Generated Node #0,2,4: 96:[1, 98] Operation: 92+6=98 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[6, 93], Operations: ['92-91=1', '92+1=93'] Exploring Operation: 93-6=87, Resulting Numbers: [87] 87,96 unequal: No Solution Exploring Operation: 6*93=558, Resulting Numbers: [558] 558,96 unequal: No Solution Exploring Operation: 6+93=99, Resulting Numbers: [99] 99,96 unequal: No Solution No 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: 96:[1, 98], Operations: ['92-91=1', '92+6=98'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,96 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 1*98=98, Resulting Numbers: [98] 98,96 unequal: No Solution No 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: 96:[6, 92], Operations: ['92-91=1', '92*1=92'] Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 6*92=552, Resulting Numbers: [552] 552,96 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution No 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: 96:[92, 6], Operations: ['92-91=1', '6*1=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,96 unequal: No Solution No 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: 96:[6, 92], Operations: ['92-91=1', '92/1=92'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 6*92=552, Resulting Numbers: [552] 552,96 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: 96:[92, 6, 1], Operations: ['92-91=1'] Exploring Operation: 92+1=93, Resulting Numbers: [6, 93] Generated Node #0,4,0: 96:[6, 93] Operation: 92+1=93 Exploring Operation: 6*1=6, Resulting Numbers: [92, 6] Generated Node #0,4,1: 96:[92, 6] Operation: 6*1=6 Exploring Operation: 92*1=92, Resulting Numbers: [6, 92] Generated Node #0,4,2: 96:[6, 92] Operation: 92*1=92 Exploring Operation: 92+6=98, Resulting Numbers: [1, 98] Generated Node #0,4,3: 96:[1, 98] Operation: 92+6=98 Exploring Operation: 92/1=92, Resulting Numbers: [6, 92] Generated Node #0,4,4: 96:[6, 92] Operation: 92/1=92 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 96:[6, 93], Operations: ['92-91=1', '92+1=93'] Exploring Operation: 93-6=87, Resulting Numbers: [87] 87,96 unequal: No Solution Exploring Operation: 6+93=99, Resulting Numbers: [99] 99,96 unequal: No Solution Exploring Operation: 6*93=558, Resulting Numbers: [558] 558,96 unequal: No Solution No 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: 96:[1, 98], Operations: ['92-91=1', '92+6=98'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 1*98=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,96 unequal: No Solution No 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: 96:[92, 6], Operations: ['92-91=1', '6*1=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,96 unequal: No Solution No 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: 96:[6, 92], Operations: ['92-91=1', '92*1=92'] Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 6*92=552, Resulting Numbers: [552] 552,96 unequal: No Solution No 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: 96:[6, 92], Operations: ['92-91=1', '92/1=92'] Exploring Operation: 6*92=552, Resulting Numbers: [552] 552,96 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 6+92=98, Resulting Numbers: [98] 98,96 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: 96:[6, 91, 1], Operations: ['92/92=1'] Exploring Operation: 6*1=6, Resulting Numbers: [91, 6] Generated Node #0,3,0: 96:[91, 6] Operation: 6*1=6 Exploring Operation: 6/1=6, Resulting Numbers: [91, 6] Generated Node #0,3,1: 96:[91, 6] Operation: 6/1=6 Exploring Operation: 91*1=91, Resulting Numbers: [6, 91] Generated Node #0,3,2: 96:[6, 91] Operation: 91*1=91 Exploring Operation: 6+91=97, Resulting Numbers: [1, 97] Generated Node #0,3,3: 96:[1, 97] Operation: 6+91=97 Exploring Operation: 91+1=92, Resulting Numbers: [6, 92] Generated Node #0,3,4: 96:[6, 92] Operation: 91+1=92 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 96:[1, 97], Operations: ['92/92=1', '6+91=97'] Exploring Operation: 1+97=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 1*97=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[92, 92, 6, 91], Operations: [] Exploring Operation: 92/92=1, Resulting Numbers: [6, 91, 1] Generated Node #0,3: 96:[6, 91, 1] Operation: 92/92=1 Moving to Node #0,3 Current State: 96:[6, 91, 1], Operations: ['92/92=1'] Exploring Operation: 6+91=97, Resulting Numbers: [1, 97] Generated Node #0,3,3: 96:[1, 97] Operation: 6+91=97 Moving to Node #0,3,3 Current State: 96:[1, 97], Operations: ['92/92=1', '6+91=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.948785
hs_5
mult_heuristic
[ 62, 18, 56, 60 ]
11
[ "62-18=44", "60-56=4", "44/4=11" ]
Current State: 11:[62, 18, 56, 60], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [56, 60, 44] Generated Node #2: [56, 60, 44] from Operation: 62-18=44 Current State: 11:[56, 60, 44], Operations: ['62-18=44'] Exploring Operation: 60-56=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 60-56=4 Current State: 11:[44, 4], Operations: ['62-18=44', '60-56=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[62, 18, 56, 60], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [18, 60, 6] Generated Node #0,0: 11:[18, 60, 6] Operation: 62-56=6 Moving to Node #0,0 Current State: 11:[18, 60, 6], Operations: ['62-56=6'] Exploring Operation: 60/6=10, Resulting Numbers: [18, 10] Generated Node #0,0,0: 11:[18, 10] Operation: 60/6=10 Moving to Node #0,0,0 Current State: 11:[18, 10], Operations: ['62-56=6', '60/6=10'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,11 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 17, 83, 14, 43 ]
37
[ "83-17=66", "43-14=29", "66-29=37" ]
Current State: 37:[17, 83, 14, 43], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [14, 43, 66] Generated Node #2: [14, 43, 66] from Operation: 83-17=66 Current State: 37:[14, 43, 66], Operations: ['83-17=66'] Exploring Operation: 43-14=29, Resulting Numbers: [66, 29] Generated Node #3: [66, 29] from Operation: 43-14=29 Current State: 37:[66, 29], Operations: ['83-17=66', '43-14=29'] Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[17, 83, 14, 43], Operations: [] Exploring Operation: 83-43=40, Resulting Numbers: [17, 14, 40] Generated Node #0,0: 37:[17, 14, 40] Operation: 83-43=40 Moving to Node #0,0 Current State: 37:[17, 14, 40], Operations: ['83-43=40'] Exploring Operation: 17+14=31, Resulting Numbers: [40, 31] Generated Node #0,0,0: 37:[40, 31] Operation: 17+14=31 Moving to Node #0,0,0 Current State: 37:[40, 31], Operations: ['83-43=40', '17+14=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,37 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 89, 18, 9, 72 ]
97
[ "18-9=9", "72/9=8", "89+8=97" ]
Current State: 97:[89, 18, 9, 72], Operations: [] Exploring Operation: 18-9=9, Resulting Numbers: [89, 72, 9] Generated Node #2: [89, 72, 9] from Operation: 18-9=9 Current State: 97:[89, 72, 9], Operations: ['18-9=9'] Exploring Operation: 72/9=8, Resulting Numbers: [89, 8] Generated Node #3: [89, 8] from Operation: 72/9=8 Current State: 97:[89, 8], Operations: ['18-9=9', '72/9=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[89, 18, 9, 72], Operations: [] Exploring Operation: 18+9=27, Resulting Numbers: [89, 72, 27] Generated Node #0,0: 97:[89, 72, 27] Operation: 18+9=27 Exploring Operation: 18*9=162, Resulting Numbers: [89, 72, 162] Generated Node #0,1: 97:[89, 72, 162] Operation: 18*9=162 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[89, 72, 162], Operations: ['18*9=162'] Exploring Operation: 162-72=90, Resulting Numbers: [89, 90] Generated Node #0,1,0: 97:[89, 90] Operation: 162-72=90 Exploring Operation: 162-89=73, Resulting Numbers: [72, 73] Generated Node #0,1,1: 97:[72, 73] Operation: 162-89=73 Moving to Node #0,1,0 Current State: 97:[89, 90], Operations: ['18*9=162', '162-72=90'] Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 89+90=179, Resulting Numbers: [179] 179,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[72, 73], Operations: ['18*9=162', '162-89=73'] Exploring Operation: 72+73=145, Resulting Numbers: [145] 145,97 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,97 unequal: No Solution No 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: 97:[89, 72, 27], Operations: ['18+9=27'] Exploring Operation: 89+27=116, Resulting Numbers: [72, 116] Generated Node #0,0,0: 97:[72, 116] Operation: 89+27=116 Exploring Operation: 72+27=99, Resulting Numbers: [89, 99] Generated Node #0,0,1: 97:[89, 99] Operation: 72+27=99 Moving to Node #0,0,1 Current State: 97:[89, 99], Operations: ['18+9=27', '72+27=99'] Exploring Operation: 89+99=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[72, 116], Operations: ['18+9=27', '89+27=116'] Exploring Operation: 72+116=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 116-72=44, Resulting Numbers: [44] 44,97 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
[ 87, 65, 24, 29 ]
44
[ "87/29=3", "65-24=41", "3+41=44" ]
Current State: 44:[87, 65, 24, 29], Operations: [] Exploring Operation: 87/29=3, Resulting Numbers: [65, 24, 3] Generated Node #2: [65, 24, 3] from Operation: 87/29=3 Current State: 44:[65, 24, 3], Operations: ['87/29=3'] Exploring Operation: 65-24=41, Resulting Numbers: [3, 41] Generated Node #3: [3, 41] from Operation: 65-24=41 Current State: 44:[3, 41], Operations: ['87/29=3', '65-24=41'] Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[87, 65, 24, 29], Operations: [] Exploring Operation: 87-65=22, Resulting Numbers: [24, 29, 22] Generated Node #0,0: 44:[24, 29, 22] Operation: 87-65=22 Moving to Node #0,0 Current State: 44:[24, 29, 22], Operations: ['87-65=22'] Exploring Operation: 29-24=5, Resulting Numbers: [22, 5] Generated Node #0,0,0: 44:[22, 5] Operation: 29-24=5 Moving to Node #0,0,0 Current State: 44:[22, 5], Operations: ['87-65=22', '29-24=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,44 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 9, 1, 52, 88 ]
14
[ "9+1=10", "52+88=140", "140/10=14" ]
Current State: 14:[9, 1, 52, 88], Operations: [] Exploring Operation: 9+1=10, Resulting Numbers: [52, 88, 10] Generated Node #2: [52, 88, 10] from Operation: 9+1=10 Current State: 14:[52, 88, 10], Operations: ['9+1=10'] Exploring Operation: 52+88=140, Resulting Numbers: [10, 140] Generated Node #3: [10, 140] from Operation: 52+88=140 Current State: 14:[10, 140], Operations: ['9+1=10', '52+88=140'] Exploring Operation: 140/10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[9, 1, 52, 88], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [1, 52, 79] Generated Node #0,0: 14:[1, 52, 79] Operation: 88-9=79 Exploring Operation: 52-9=43, Resulting Numbers: [1, 88, 43] Generated Node #0,1: 14:[1, 88, 43] Operation: 52-9=43 Exploring Operation: 88-52=36, Resulting Numbers: [9, 1, 36] Generated Node #0,2: 14:[9, 1, 36] Operation: 88-52=36 Exploring Operation: 52-1=51, Resulting Numbers: [9, 88, 51] Generated Node #0,3: 14:[9, 88, 51] Operation: 52-1=51 Exploring Operation: 9-1=8, Resulting Numbers: [52, 88, 8] Generated Node #0,4: 14:[52, 88, 8] Operation: 9-1=8 Moving to Node #0,2 Current State: 14:[9, 1, 36], Operations: ['88-52=36'] Exploring Operation: 36-1=35, Resulting Numbers: [9, 35] Generated Node #0,2,0: 14:[9, 35] Operation: 36-1=35 Exploring Operation: 9-1=8, Resulting Numbers: [36, 8] Generated Node #0,2,1: 14:[36, 8] Operation: 9-1=8 Exploring Operation: 36-9=27, Resulting Numbers: [1, 27] Generated Node #0,2,2: 14:[1, 27] Operation: 36-9=27 Exploring Operation: 9*1=9, Resulting Numbers: [36, 9] Generated Node #0,2,3: 14:[36, 9] Operation: 9*1=9 Exploring Operation: 36/9=4, Resulting Numbers: [1, 4] Generated Node #0,2,4: 14:[1, 4] Operation: 36/9=4 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 14:[1, 4], Operations: ['88-52=36', '36/9=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,14 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 #0,2,2 Current State: 14:[1, 27], Operations: ['88-52=36', '36-9=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,14 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 #0,2,0 Current State: 14:[9, 35], Operations: ['88-52=36', '36-1=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,14 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,14 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,14 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 #0,2,1 Current State: 14:[36, 8], Operations: ['88-52=36', '9-1=8'] Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,14 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,14 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 #0,2,3 Current State: 14:[36, 9], Operations: ['88-52=36', '9*1=9'] Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,14 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,14 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: 14:[1, 88, 43], Operations: ['52-9=43'] Exploring Operation: 43-1=42, Resulting Numbers: [88, 42] Generated Node #0,1,0: 14:[88, 42] Operation: 43-1=42 Exploring Operation: 88-43=45, Resulting Numbers: [1, 45] Generated Node #0,1,1: 14:[1, 45] Operation: 88-43=45 Exploring Operation: 88-1=87, Resulting Numbers: [43, 87] Generated Node #0,1,2: 14:[43, 87] Operation: 88-1=87 Exploring Operation: 88/1=88, Resulting Numbers: [43, 88] Generated Node #0,1,3: 14:[43, 88] Operation: 88/1=88 Exploring Operation: 1*88=88, Resulting Numbers: [43, 88] Generated Node #0,1,4: 14:[43, 88] Operation: 1*88=88 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[1, 45], Operations: ['52-9=43', '88-43=45'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[88, 42], Operations: ['52-9=43', '43-1=42'] Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,14 unequal: No Solution Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[43, 87], Operations: ['52-9=43', '88-1=87'] Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,14 unequal: No Solution Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[43, 88], Operations: ['52-9=43', '88/1=88'] Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,14 unequal: No Solution Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 14:[43, 88], Operations: ['52-9=43', '1*88=88'] Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,14 unequal: No Solution Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,14 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,14 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: 14:[1, 52, 79], Operations: ['88-9=79'] Exploring Operation: 1*52=52, Resulting Numbers: [79, 52] Generated Node #0,0,0: 14:[79, 52] Operation: 1*52=52 Exploring Operation: 52/1=52, Resulting Numbers: [79, 52] Generated Node #0,0,1: 14:[79, 52] Operation: 52/1=52 Exploring Operation: 52-1=51, Resulting Numbers: [79, 51] Generated Node #0,0,2: 14:[79, 51] Operation: 52-1=51 Exploring Operation: 79-1=78, Resulting Numbers: [52, 78] Generated Node #0,0,3: 14:[52, 78] Operation: 79-1=78 Exploring Operation: 79-52=27, Resulting Numbers: [1, 27] Generated Node #0,0,4: 14:[1, 27] Operation: 79-52=27 Moving to Node #0,3 Current State: 14:[9, 88, 51], Operations: ['52-1=51'] Exploring Operation: 9+51=60, Resulting Numbers: [88, 60] Generated Node #0,3,0: 14:[88, 60] Operation: 9+51=60 Exploring Operation: 88-9=79, Resulting Numbers: [51, 79] Generated Node #0,3,1: 14:[51, 79] Operation: 88-9=79 Exploring Operation: 9+88=97, Resulting Numbers: [51, 97] Generated Node #0,3,2: 14:[51, 97] Operation: 9+88=97 Exploring Operation: 51-9=42, Resulting Numbers: [88, 42] Generated Node #0,3,3: 14:[88, 42] Operation: 51-9=42 Exploring Operation: 88-51=37, Resulting Numbers: [9, 37] Generated Node #0,3,4: 14:[9, 37] Operation: 88-51=37 Moving to Node #0,4 Current State: 14:[52, 88, 8], Operations: ['9-1=8'] Exploring Operation: 52+8=60, Resulting Numbers: [88, 60] Generated Node #0,4,0: 14:[88, 60] Operation: 52+8=60 Exploring Operation: 88/8=11, Resulting Numbers: [52, 11] Generated Node #0,4,1: 14:[52, 11] Operation: 88/8=11 Exploring Operation: 88-52=36, Resulting Numbers: [8, 36] Generated Node #0,4,2: 14:[8, 36] Operation: 88-52=36 Exploring Operation: 52-8=44, Resulting Numbers: [88, 44] Generated Node #0,4,3: 14:[88, 44] Operation: 52-8=44 Exploring Operation: 88-8=80, Resulting Numbers: [52, 80] Generated Node #0,4,4: 14:[52, 80] Operation: 88-8=80 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 14:[8, 36], Operations: ['9-1=8', '88-52=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,14 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,14 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,14 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 #0,4,1 Current State: 14:[52, 11], Operations: ['9-1=8', '88/8=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,14 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,14 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 #0,4,3 Current State: 14:[88, 44], Operations: ['9-1=8', '52-8=44'] Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 88*44=3872, Resulting Numbers: [3872] 3872,14 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,14 unequal: No Solution Exploring Operation: 88+44=132, Resulting Numbers: [132] 132,14 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 #0,4,4 Current State: 14:[52, 80], Operations: ['9-1=8', '88-8=80'] Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,14 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,14 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 #0,4,0 Current State: 14:[88, 60], Operations: ['9-1=8', '52+8=60'] Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,14 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 14:[1, 27], Operations: ['88-9=79', '79-52=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,14 unequal: No Solution Moving to Node #0,3,4 Current State: 14:[9, 37], Operations: ['52-1=51', '88-51=37'] Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,14 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[51, 79], Operations: ['52-1=51', '88-9=79'] Exploring Operation: 51*79=4029, Resulting Numbers: [4029] 4029,14 unequal: No Solution Exploring Operation: 51+79=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,14 unequal: No Solution Moving to Node #0,0,3 Current State: 14:[52, 78], Operations: ['88-9=79', '79-1=78'] Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 52*78=4056, Resulting Numbers: [4056] 4056,14 unequal: No Solution Exploring Operation: 52+78=130, Resulting Numbers: [130] 130,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[79, 51], Operations: ['88-9=79', '52-1=51'] Exploring Operation: 79+51=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 79*51=4029, Resulting Numbers: [4029] 4029,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[88, 42], Operations: ['52-1=51', '51-9=42'] Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,14 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[79, 52], Operations: ['88-9=79', '1*52=52'] Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 79+52=131, Resulting Numbers: [131] 131,14 unequal: No Solution Exploring Operation: 79*52=4108, Resulting Numbers: [4108] 4108,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[79, 52], Operations: ['88-9=79', '52/1=52'] Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 79*52=4108, Resulting Numbers: [4108] 4108,14 unequal: No Solution Exploring Operation: 79+52=131, Resulting Numbers: [131] 131,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[51, 97], Operations: ['52-1=51', '9+88=97'] Exploring Operation: 51+97=148, Resulting Numbers: [148] 148,14 unequal: No Solution Exploring Operation: 51*97=4947, Resulting Numbers: [4947] 4947,14 unequal: No Solution Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,14 unequal: No Solution Moving to Node #0,3,0 Current State: 14:[88, 60], Operations: ['52-1=51', '9+51=60'] Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,14 unequal: No Solution Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,14 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 39, 51, 39, 6 ]
51
[ "39-39=0", "6*0=0", "51+0=51" ]
Current State: 51:[39, 51, 39, 6], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [51, 6, 0] Generated Node #2: [51, 6, 0] from Operation: 39-39=0 Current State: 51:[51, 6, 0], Operations: ['39-39=0'] Exploring Operation: 6*0=0, Resulting Numbers: [51, 0] Generated Node #3: [51, 0] from Operation: 6*0=0 Current State: 51:[51, 0], Operations: ['39-39=0', '6*0=0'] Exploring Operation: 51+0=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[39, 51, 39, 6], Operations: [] Exploring Operation: 39/39=1, Resulting Numbers: [51, 6, 1] Generated Node #0,0: 51:[51, 6, 1] Operation: 39/39=1 Moving to Node #0,0 Current State: 51:[51, 6, 1], Operations: ['39/39=1'] Exploring Operation: 6-1=5, Resulting Numbers: [51, 5] Generated Node #0,0,0: 51:[51, 5] Operation: 6-1=5 Moving to Node #0,0,0 Current State: 51:[51, 5], Operations: ['39/39=1', '6-1=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 13, 28, 30, 87 ]
50
[ "13+87=100", "30-28=2", "100/2=50" ]
Current State: 50:[13, 28, 30, 87], Operations: [] Exploring Operation: 13+87=100, Resulting Numbers: [28, 30, 100] Generated Node #2: [28, 30, 100] from Operation: 13+87=100 Current State: 50:[28, 30, 100], Operations: ['13+87=100'] Exploring Operation: 30-28=2, Resulting Numbers: [100, 2] Generated Node #3: [100, 2] from Operation: 30-28=2 Current State: 50:[100, 2], Operations: ['13+87=100', '30-28=2'] Exploring Operation: 100/2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[13, 28, 30, 87], Operations: [] Exploring Operation: 87-28=59, Resulting Numbers: [13, 30, 59] Generated Node #0,0: 50:[13, 30, 59] Operation: 87-28=59 Exploring Operation: 87-30=57, Resulting Numbers: [13, 28, 57] Generated Node #0,1: 50:[13, 28, 57] Operation: 87-30=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[13, 28, 57], Operations: ['87-30=57'] Exploring Operation: 57-13=44, Resulting Numbers: [28, 44] Generated Node #0,1,0: 50:[28, 44] Operation: 57-13=44 Exploring Operation: 57-28=29, Resulting Numbers: [13, 29] Generated Node #0,1,1: 50:[13, 29] Operation: 57-28=29 Moving to Node #0,1,1 Current State: 50:[13, 29], Operations: ['87-30=57', '57-28=29'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[28, 44], Operations: ['87-30=57', '57-13=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,50 unequal: No Solution No 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: 50:[13, 30, 59], Operations: ['87-28=59'] Exploring Operation: 59-30=29, Resulting Numbers: [13, 29] Generated Node #0,0,0: 50:[13, 29] Operation: 59-30=29 Exploring Operation: 59-13=46, Resulting Numbers: [30, 46] Generated Node #0,0,1: 50:[30, 46] Operation: 59-13=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[13, 29], Operations: ['87-28=59', '59-30=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[30, 46], Operations: ['87-28=59', '59-13=46'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 34, 20, 2, 47 ]
63
[ "34-20=14", "2+47=49", "14+49=63" ]
Current State: 63:[34, 20, 2, 47], Operations: [] Exploring Operation: 34-20=14, Resulting Numbers: [2, 47, 14] Generated Node #2: [2, 47, 14] from Operation: 34-20=14 Current State: 63:[2, 47, 14], Operations: ['34-20=14'] Exploring Operation: 2+47=49, Resulting Numbers: [14, 49] Generated Node #3: [14, 49] from Operation: 2+47=49 Current State: 63:[14, 49], Operations: ['34-20=14', '2+47=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[34, 20, 2, 47], Operations: [] Exploring Operation: 34/2=17, Resulting Numbers: [20, 47, 17] Generated Node #0,0: 63:[20, 47, 17] Operation: 34/2=17 Exploring Operation: 34+47=81, Resulting Numbers: [20, 2, 81] Generated Node #0,1: 63:[20, 2, 81] Operation: 34+47=81 Exploring Operation: 47-34=13, Resulting Numbers: [20, 2, 13] Generated Node #0,2: 63:[20, 2, 13] Operation: 47-34=13 Exploring Operation: 47-20=27, Resulting Numbers: [34, 2, 27] Generated Node #0,3: 63:[34, 2, 27] Operation: 47-20=27 Exploring Operation: 20+47=67, Resulting Numbers: [34, 2, 67] Generated Node #0,4: 63:[34, 2, 67] Operation: 20+47=67 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[20, 2, 13], Operations: ['47-34=13'] Exploring Operation: 20+2=22, Resulting Numbers: [13, 22] Generated Node #0,2,0: 63:[13, 22] Operation: 20+2=22 Exploring Operation: 2*13=26, Resulting Numbers: [20, 26] Generated Node #0,2,1: 63:[20, 26] Operation: 2*13=26 Exploring Operation: 20-13=7, Resulting Numbers: [2, 7] Generated Node #0,2,2: 63:[2, 7] Operation: 20-13=7 Exploring Operation: 13-2=11, Resulting Numbers: [20, 11] Generated Node #0,2,3: 63:[20, 11] Operation: 13-2=11 Exploring Operation: 20/2=10, Resulting Numbers: [13, 10] Generated Node #0,2,4: 63:[13, 10] Operation: 20/2=10 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[2, 7], Operations: ['47-34=13', '20-13=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,63 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 #0,2,3 Current State: 63:[20, 11], Operations: ['47-34=13', '13-2=11'] Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,63 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,63 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:[13, 22], Operations: ['47-34=13', '20+2=22'] Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,63 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,63 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:[13, 10], Operations: ['47-34=13', '20/2=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,63 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:[20, 26], Operations: ['47-34=13', '2*13=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,63 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:[34, 2, 67], Operations: ['20+47=67'] Exploring Operation: 34*2=68, Resulting Numbers: [67, 68] Generated Node #0,4,0: 63:[67, 68] Operation: 34*2=68 Exploring Operation: 67-34=33, Resulting Numbers: [2, 33] Generated Node #0,4,1: 63:[2, 33] Operation: 67-34=33 Exploring Operation: 67-2=65, Resulting Numbers: [34, 65] Generated Node #0,4,2: 63:[34, 65] Operation: 67-2=65 Exploring Operation: 34/2=17, Resulting Numbers: [67, 17] Generated Node #0,4,3: 63:[67, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [67, 32] Generated Node #0,4,4: 63:[67, 32] Operation: 34-2=32 Moving to Node #0,4,3 Current State: 63:[67, 17], Operations: ['20+47=67', '34/2=17'] Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,63 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,63 unequal: No Solution Moving to Node #0,4,0 Current State: 63:[67, 68], Operations: ['20+47=67', '34*2=68'] Exploring Operation: 67*68=4556, Resulting Numbers: [4556] 4556,63 unequal: No Solution Exploring Operation: 67+68=135, Resulting Numbers: [135] 135,63 unequal: No Solution Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,63 unequal: No Solution Moving to Node #0,4,1 Current State: 63:[2, 33], Operations: ['20+47=67', '67-34=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,63 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,63 unequal: No Solution Moving to Node #0,4,2 Current State: 63:[34, 65], Operations: ['20+47=67', '67-2=65'] Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,63 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[67, 32], Operations: ['20+47=67', '34-2=32'] Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,63 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,63 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[20, 2, 81], Operations: ['34+47=81'] Exploring Operation: 81-2=79, Resulting Numbers: [20, 79] Generated Node #0,1,0: 63:[20, 79] Operation: 81-2=79 Exploring Operation: 20+2=22, Resulting Numbers: [81, 22] Generated Node #0,1,1: 63:[81, 22] Operation: 20+2=22 Exploring Operation: 20/2=10, Resulting Numbers: [81, 10] Generated Node #0,1,2: 63:[81, 10] Operation: 20/2=10 Exploring Operation: 81-20=61, Resulting Numbers: [2, 61] Generated Node #0,1,3: 63:[2, 61] Operation: 81-20=61 Exploring Operation: 20-2=18, Resulting Numbers: [81, 18] Generated Node #0,1,4: 63:[81, 18] Operation: 20-2=18 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[2, 61], Operations: ['34+47=81', '81-20=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[34, 20, 2, 47], Operations: [] Exploring Operation: 34+47=81, Resulting Numbers: [20, 2, 81] Generated Node #0,1: 63:[20, 2, 81] Operation: 34+47=81 Moving to Node #0,1 Current State: 63:[20, 2, 81], Operations: ['34+47=81'] Exploring Operation: 81-20=61, Resulting Numbers: [2, 61] Generated Node #0,1,3: 63:[2, 61] Operation: 81-20=61 Moving to Node #0,1,3 Current State: 63:[2, 61], Operations: ['34+47=81', '81-20=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 28, 81, 25, 11 ]
17
[ "81-28=53", "25+11=36", "53-36=17" ]
Current State: 17:[28, 81, 25, 11], Operations: [] Exploring Operation: 81-28=53, Resulting Numbers: [25, 11, 53] Generated Node #2: [25, 11, 53] from Operation: 81-28=53 Current State: 17:[25, 11, 53], Operations: ['81-28=53'] Exploring Operation: 25+11=36, Resulting Numbers: [53, 36] Generated Node #3: [53, 36] from Operation: 25+11=36 Current State: 17:[53, 36], Operations: ['81-28=53', '25+11=36'] Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[28, 81, 25, 11], Operations: [] Exploring Operation: 28-11=17, Resulting Numbers: [81, 25, 17] Generated Node #0,0: 17:[81, 25, 17] Operation: 28-11=17 Exploring Operation: 81-25=56, Resulting Numbers: [28, 11, 56] Generated Node #0,1: 17:[28, 11, 56] Operation: 81-25=56 Exploring Operation: 81-28=53, Resulting Numbers: [25, 11, 53] Generated Node #0,2: 17:[25, 11, 53] Operation: 81-28=53 Moving to Node #0,2 Current State: 17:[25, 11, 53], Operations: ['81-28=53'] Exploring Operation: 25-11=14, Resulting Numbers: [53, 14] Generated Node #0,2,0: 17:[53, 14] Operation: 25-11=14 Exploring Operation: 53-11=42, Resulting Numbers: [25, 42] Generated Node #0,2,1: 17:[25, 42] Operation: 53-11=42 Exploring Operation: 53-25=28, Resulting Numbers: [11, 28] Generated Node #0,2,2: 17:[11, 28] Operation: 53-25=28 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[11, 28], Operations: ['81-28=53', '53-25=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[28, 81, 25, 11], Operations: [] Exploring Operation: 81-28=53, Resulting Numbers: [25, 11, 53] Generated Node #0,2: 17:[25, 11, 53] Operation: 81-28=53 Moving to Node #0,2 Current State: 17:[25, 11, 53], Operations: ['81-28=53'] Exploring Operation: 53-25=28, Resulting Numbers: [11, 28] Generated Node #0,2,2: 17:[11, 28] Operation: 53-25=28 Moving to Node #0,2,2 Current State: 17:[11, 28], Operations: ['81-28=53', '53-25=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 70, 25, 88, 9 ]
83
[ "70-25=45", "45/9=5", "88-5=83" ]
Current State: 83:[70, 25, 88, 9], Operations: [] Exploring Operation: 70-25=45, Resulting Numbers: [88, 9, 45] Generated Node #2: [88, 9, 45] from Operation: 70-25=45 Current State: 83:[88, 9, 45], Operations: ['70-25=45'] Exploring Operation: 45/9=5, Resulting Numbers: [88, 5] Generated Node #3: [88, 5] from Operation: 45/9=5 Current State: 83:[88, 5], Operations: ['70-25=45', '45/9=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 25, 88, 9], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [70, 25, 79] Generated Node #0,0: 83:[70, 25, 79] Operation: 88-9=79 Exploring Operation: 70+9=79, Resulting Numbers: [25, 88, 79] Generated Node #0,1: 83:[25, 88, 79] Operation: 70+9=79 Exploring Operation: 70-9=61, Resulting Numbers: [25, 88, 61] Generated Node #0,2: 83:[25, 88, 61] Operation: 70-9=61 Exploring Operation: 25+9=34, Resulting Numbers: [70, 88, 34] Generated Node #0,3: 83:[70, 88, 34] Operation: 25+9=34 Exploring Operation: 25-9=16, Resulting Numbers: [70, 88, 16] Generated Node #0,4: 83:[70, 88, 16] Operation: 25-9=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[25, 88, 79], Operations: ['70+9=79'] Exploring Operation: 88-79=9, Resulting Numbers: [25, 9] Generated Node #0,1,0: 83:[25, 9] Operation: 88-79=9 Exploring Operation: 88-25=63, Resulting Numbers: [79, 63] Generated Node #0,1,1: 83:[79, 63] Operation: 88-25=63 Exploring Operation: 79-25=54, Resulting Numbers: [88, 54] Generated Node #0,1,2: 83:[88, 54] Operation: 79-25=54 Exploring Operation: 25+88=113, Resulting Numbers: [79, 113] Generated Node #0,1,3: 83:[79, 113] Operation: 25+88=113 Exploring Operation: 25+79=104, Resulting Numbers: [88, 104] Generated Node #0,1,4: 83:[88, 104] Operation: 25+79=104 Moving to Node #0,1,1 Current State: 83:[79, 63], Operations: ['70+9=79', '88-25=63'] Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 79+63=142, Resulting Numbers: [142] 142,83 unequal: No Solution Exploring Operation: 79*63=4977, Resulting Numbers: [4977] 4977,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[88, 104], Operations: ['70+9=79', '25+79=104'] Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,83 unequal: No Solution Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[88, 54], Operations: ['70+9=79', '79-25=54'] Exploring Operation: 88*54=4752, Resulting Numbers: [4752] 4752,83 unequal: No Solution Exploring Operation: 88+54=142, Resulting Numbers: [142] 142,83 unequal: No Solution Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[79, 113], Operations: ['70+9=79', '25+88=113'] Exploring Operation: 79+113=192, Resulting Numbers: [192] 192,83 unequal: No Solution Exploring Operation: 113-79=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 79*113=8927, Resulting Numbers: [8927] 8927,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[25, 9], Operations: ['70+9=79', '88-79=9'] Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[70, 88, 34], Operations: ['25+9=34'] Exploring Operation: 88-70=18, Resulting Numbers: [34, 18] Generated Node #0,3,0: 83:[34, 18] Operation: 88-70=18 Exploring Operation: 70+34=104, Resulting Numbers: [88, 104] Generated Node #0,3,1: 83:[88, 104] Operation: 70+34=104 Exploring Operation: 70-34=36, Resulting Numbers: [88, 36] Generated Node #0,3,2: 83:[88, 36] Operation: 70-34=36 Exploring Operation: 88-34=54, Resulting Numbers: [70, 54] Generated Node #0,3,3: 83:[70, 54] Operation: 88-34=54 Exploring Operation: 88+34=122, Resulting Numbers: [70, 122] Generated Node #0,3,4: 83:[70, 122] Operation: 88+34=122 Moving to Node #0,3,1 Current State: 83:[88, 104], Operations: ['25+9=34', '70+34=104'] Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,83 unequal: No Solution Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[70, 54], Operations: ['25+9=34', '88-34=54'] Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[88, 36], Operations: ['25+9=34', '70-34=36'] Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,83 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[70, 122], Operations: ['25+9=34', '88+34=122'] Exploring Operation: 70*122=8540, Resulting Numbers: [8540] 8540,83 unequal: No Solution Exploring Operation: 70+122=192, Resulting Numbers: [192] 192,83 unequal: No Solution Exploring Operation: 122-70=52, Resulting Numbers: [52] 52,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[34, 18], Operations: ['25+9=34', '88-70=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,83 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,83 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 #0,0 Current State: 83:[70, 25, 79], Operations: ['88-9=79'] Exploring Operation: 79-25=54, Resulting Numbers: [70, 54] Generated Node #0,0,0: 83:[70, 54] Operation: 79-25=54 Exploring Operation: 70+79=149, Resulting Numbers: [25, 149] Generated Node #0,0,1: 83:[25, 149] Operation: 70+79=149 Exploring Operation: 25+79=104, Resulting Numbers: [70, 104] Generated Node #0,0,2: 83:[70, 104] Operation: 25+79=104 Exploring Operation: 70-25=45, Resulting Numbers: [79, 45] Generated Node #0,0,3: 83:[79, 45] Operation: 70-25=45 Exploring Operation: 70+25=95, Resulting Numbers: [79, 95] Generated Node #0,0,4: 83:[79, 95] Operation: 70+25=95 Moving to Node #0,0,4 Current State: 83:[79, 95], Operations: ['88-9=79', '70+25=95'] Exploring Operation: 79*95=7505, Resulting Numbers: [7505] 7505,83 unequal: No Solution Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 79+95=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[70, 104], Operations: ['88-9=79', '25+79=104'] Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 70*104=7280, Resulting Numbers: [7280] 7280,83 unequal: No Solution Exploring Operation: 70+104=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[70, 54], Operations: ['88-9=79', '79-25=54'] Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,83 unequal: No Solution Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[79, 45], Operations: ['88-9=79', '70-25=45'] Exploring Operation: 79-45=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 79*45=3555, Resulting Numbers: [3555] 3555,83 unequal: No Solution Exploring Operation: 79+45=124, Resulting Numbers: [124] 124,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[25, 149], Operations: ['88-9=79', '70+79=149'] Exploring Operation: 25+149=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 25*149=3725, Resulting Numbers: [3725] 3725,83 unequal: No Solution Exploring Operation: 149-25=124, Resulting Numbers: [124] 124,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[25, 88, 61], Operations: ['70-9=61'] Exploring Operation: 25+61=86, Resulting Numbers: [88, 86] Generated Node #0,2,0: 83:[88, 86] Operation: 25+61=86 Exploring Operation: 25+88=113, Resulting Numbers: [61, 113] Generated Node #0,2,1: 83:[61, 113] Operation: 25+88=113 Exploring Operation: 61-25=36, Resulting Numbers: [88, 36] Generated Node #0,2,2: 83:[88, 36] Operation: 61-25=36 Exploring Operation: 88-61=27, Resulting Numbers: [25, 27] Generated Node #0,2,3: 83:[25, 27] Operation: 88-61=27 Exploring Operation: 88-25=63, Resulting Numbers: [61, 63] Generated Node #0,2,4: 83:[61, 63] Operation: 88-25=63 Moving to Node #0,2,0 Current State: 83:[88, 86], Operations: ['70-9=61', '25+61=86'] Exploring Operation: 88*86=7568, Resulting Numbers: [7568] 7568,83 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 88+86=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[61, 63], Operations: ['70-9=61', '88-25=63'] Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,83 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[61, 113], Operations: ['70-9=61', '25+88=113'] Exploring Operation: 61*113=6893, Resulting Numbers: [6893] 6893,83 unequal: No Solution Exploring Operation: 113-61=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 61+113=174, Resulting Numbers: [174] 174,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[88, 36], Operations: ['70-9=61', '61-25=36'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[25, 27], Operations: ['70-9=61', '88-61=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,83 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,83 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 #0,4 Current State: 83:[70, 88, 16], Operations: ['25-9=16'] Exploring Operation: 88+16=104, Resulting Numbers: [70, 104] Generated Node #0,4,0: 83:[70, 104] Operation: 88+16=104 Exploring Operation: 70-16=54, Resulting Numbers: [88, 54] Generated Node #0,4,1: 83:[88, 54] Operation: 70-16=54 Exploring Operation: 88-70=18, Resulting Numbers: [16, 18] Generated Node #0,4,2: 83:[16, 18] Operation: 88-70=18 Exploring Operation: 88-16=72, Resulting Numbers: [70, 72] Generated Node #0,4,3: 83:[70, 72] Operation: 88-16=72 Exploring Operation: 70+16=86, Resulting Numbers: [88, 86] Generated Node #0,4,4: 83:[88, 86] Operation: 70+16=86 Moving to Node #0,4,4 Current State: 83:[88, 86], Operations: ['25-9=16', '70+16=86'] Exploring Operation: 88*86=7568, Resulting Numbers: [7568] 7568,83 unequal: No Solution Exploring Operation: 88+86=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,4,3 Current State: 83:[70, 72], Operations: ['25-9=16', '88-16=72'] Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,83 unequal: No Solution Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,83 unequal: No Solution Moving to Node #0,4,0 Current State: 83:[70, 104], Operations: ['25-9=16', '88+16=104'] Exploring Operation: 70*104=7280, Resulting Numbers: [7280] 7280,83 unequal: No Solution Exploring Operation: 70+104=174, Resulting Numbers: [174] 174,83 unequal: No Solution Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,83 unequal: No Solution Moving to Node #0,4,1 Current State: 83:[88, 54], Operations: ['25-9=16', '70-16=54'] Exploring Operation: 88*54=4752, Resulting Numbers: [4752] 4752,83 unequal: No Solution Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 88+54=142, Resulting Numbers: [142] 142,83 unequal: No Solution Moving to Node #0,4,2 Current State: 83:[16, 18], Operations: ['25-9=16', '88-70=18'] Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,83 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,83 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
[ 19, 82, 16, 93 ]
46
[ "82-19=63", "16+93=109", "109-63=46" ]
Current State: 46:[19, 82, 16, 93], Operations: [] Exploring Operation: 82-19=63, Resulting Numbers: [16, 93, 63] Generated Node #2: [16, 93, 63] from Operation: 82-19=63 Current State: 46:[16, 93, 63], Operations: ['82-19=63'] Exploring Operation: 16+93=109, Resulting Numbers: [63, 109] Generated Node #3: [63, 109] from Operation: 16+93=109 Current State: 46:[63, 109], Operations: ['82-19=63', '16+93=109'] Exploring Operation: 109-63=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[19, 82, 16, 93], Operations: [] Exploring Operation: 82-19=63, Resulting Numbers: [16, 93, 63] Generated Node #0,0: 46:[16, 93, 63] Operation: 82-19=63 Exploring Operation: 93-82=11, Resulting Numbers: [19, 16, 11] Generated Node #0,1: 46:[19, 16, 11] Operation: 93-82=11 Moving to Node #0,1 Current State: 46:[19, 16, 11], Operations: ['93-82=11'] Exploring Operation: 16+11=27, Resulting Numbers: [19, 27] Generated Node #0,1,0: 46:[19, 27] Operation: 16+11=27 Exploring Operation: 16-11=5, Resulting Numbers: [19, 5] Generated Node #0,1,1: 46:[19, 5] Operation: 16-11=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[19, 5], Operations: ['93-82=11', '16-11=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[19, 27], Operations: ['93-82=11', '16+11=27'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[19, 82, 16, 93], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [19, 16, 11] Generated Node #0,1: 46:[19, 16, 11] Operation: 93-82=11 Moving to Node #0,1 Current State: 46:[19, 16, 11], Operations: ['93-82=11'] Exploring Operation: 16+11=27, Resulting Numbers: [19, 27] Generated Node #0,1,0: 46:[19, 27] Operation: 16+11=27 Moving to Node #0,1,0 Current State: 46:[19, 27], Operations: ['93-82=11', '16+11=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 40, 73, 11, 45 ]
15
[ "73-40=33", "11*45=495", "495/33=15" ]
Current State: 15:[40, 73, 11, 45], Operations: [] Exploring Operation: 73-40=33, Resulting Numbers: [11, 45, 33] Generated Node #2: [11, 45, 33] from Operation: 73-40=33 Current State: 15:[11, 45, 33], Operations: ['73-40=33'] Exploring Operation: 11*45=495, Resulting Numbers: [33, 495] Generated Node #3: [33, 495] from Operation: 11*45=495 Current State: 15:[33, 495], Operations: ['73-40=33', '11*45=495'] Exploring Operation: 495/33=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[40, 73, 11, 45], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [73, 11, 5] Generated Node #0,0: 15:[73, 11, 5] Operation: 45-40=5 Exploring Operation: 73-40=33, Resulting Numbers: [11, 45, 33] Generated Node #0,1: 15:[11, 45, 33] Operation: 73-40=33 Exploring Operation: 73-11=62, Resulting Numbers: [40, 45, 62] Generated Node #0,2: 15:[40, 45, 62] Operation: 73-11=62 Exploring Operation: 40-11=29, Resulting Numbers: [73, 45, 29] Generated Node #0,3: 15:[73, 45, 29] Operation: 40-11=29 Exploring Operation: 73-45=28, Resulting Numbers: [40, 11, 28] Generated Node #0,4: 15:[40, 11, 28] Operation: 73-45=28 Start Sub Search at level 1: Moving to Node #0,4 Current State: 15:[40, 11, 28], Operations: ['73-45=28'] Exploring Operation: 11+28=39, Resulting Numbers: [40, 39] Generated Node #0,4,0: 15:[40, 39] Operation: 11+28=39 Exploring Operation: 40-28=12, Resulting Numbers: [11, 12] Generated Node #0,4,1: 15:[11, 12] Operation: 40-28=12 Exploring Operation: 40+11=51, Resulting Numbers: [28, 51] Generated Node #0,4,2: 15:[28, 51] Operation: 40+11=51 Exploring Operation: 28-11=17, Resulting Numbers: [40, 17] Generated Node #0,4,3: 15:[40, 17] Operation: 28-11=17 Exploring Operation: 40-11=29, Resulting Numbers: [28, 29] Generated Node #0,4,4: 15:[28, 29] Operation: 40-11=29 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 15:[11, 12], Operations: ['73-45=28', '40-28=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,15 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,15 unequal: No Solution No 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: 15:[40, 17], Operations: ['73-45=28', '28-11=17'] Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,15 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,15 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,15 unequal: No Solution No 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: 15:[28, 29], Operations: ['73-45=28', '40-11=29'] Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,15 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,15 unequal: No Solution No 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: 15:[40, 39], Operations: ['73-45=28', '11+28=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,15 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,15 unequal: No Solution No 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: 15:[28, 51], Operations: ['73-45=28', '40+11=51'] Exploring Operation: 28+51=79, Resulting Numbers: [79] 79,15 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,15 unequal: No Solution Exploring Operation: 28*51=1428, Resulting Numbers: [1428] 1428,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[11, 45, 33], Operations: ['73-40=33'] Exploring Operation: 33/11=3, Resulting Numbers: [45, 3] Generated Node #0,1,0: 15:[45, 3] Operation: 33/11=3 Exploring Operation: 11+45=56, Resulting Numbers: [33, 56] Generated Node #0,1,1: 15:[33, 56] Operation: 11+45=56 Exploring Operation: 45-11=34, Resulting Numbers: [33, 34] Generated Node #0,1,2: 15:[33, 34] Operation: 45-11=34 Exploring Operation: 45-33=12, Resulting Numbers: [11, 12] Generated Node #0,1,3: 15:[11, 12] Operation: 45-33=12 Exploring Operation: 33-11=22, Resulting Numbers: [45, 22] Generated Node #0,1,4: 15:[45, 22] Operation: 33-11=22 Moving to Node #0,1,3 Current State: 15:[11, 12], Operations: ['73-40=33', '45-33=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,15 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,15 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[45, 3], Operations: ['73-40=33', '33/11=3'] Exploring Operation: 45*3=135, Resulting Numbers: [135] 135,15 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[40, 73, 11, 45], Operations: [] Exploring Operation: 73-40=33, Resulting Numbers: [11, 45, 33] Generated Node #0,1: 15:[11, 45, 33] Operation: 73-40=33 Moving to Node #0,1 Current State: 15:[11, 45, 33], Operations: ['73-40=33'] Exploring Operation: 33/11=3, Resulting Numbers: [45, 3] Generated Node #0,1,0: 15:[45, 3] Operation: 33/11=3 Moving to Node #0,1,0 Current State: 15:[45, 3], Operations: ['73-40=33', '33/11=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 13, 68, 72, 62 ]
10
[ "72-68=4", "13*4=52", "62-52=10" ]
Current State: 10:[13, 68, 72, 62], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [13, 62, 4] Generated Node #2: [13, 62, 4] from Operation: 72-68=4 Current State: 10:[13, 62, 4], Operations: ['72-68=4'] Exploring Operation: 13*4=52, Resulting Numbers: [62, 52] Generated Node #3: [62, 52] from Operation: 13*4=52 Current State: 10:[62, 52], Operations: ['72-68=4', '13*4=52'] Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[13, 68, 72, 62], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [13, 72, 6] Generated Node #0,0: 10:[13, 72, 6] Operation: 68-62=6 Exploring Operation: 72-62=10, Resulting Numbers: [13, 68, 10] Generated Node #0,1: 10:[13, 68, 10] Operation: 72-62=10 Exploring Operation: 72-68=4, Resulting Numbers: [13, 62, 4] Generated Node #0,2: 10:[13, 62, 4] Operation: 72-68=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[13, 62, 4], Operations: ['72-68=4'] Exploring Operation: 13-4=9, Resulting Numbers: [62, 9] Generated Node #0,2,0: 10:[62, 9] Operation: 13-4=9 Exploring Operation: 62-13=49, Resulting Numbers: [4, 49] Generated Node #0,2,1: 10:[4, 49] Operation: 62-13=49 Exploring Operation: 62-4=58, Resulting Numbers: [13, 58] Generated Node #0,2,2: 10:[13, 58] Operation: 62-4=58 Moving to Node #0,2,1 Current State: 10:[4, 49], Operations: ['72-68=4', '62-13=49'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[13, 58], Operations: ['72-68=4', '62-4=58'] Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 13+58=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 13*58=754, Resulting Numbers: [754] 754,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[62, 9], Operations: ['72-68=4', '13-4=9'] Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,10 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,10 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 Current State: 10:[13, 68, 10], Operations: ['72-62=10'] Exploring Operation: 13-10=3, Resulting Numbers: [68, 3] Generated Node #0,1,0: 10:[68, 3] Operation: 13-10=3 Exploring Operation: 68-13=55, Resulting Numbers: [10, 55] Generated Node #0,1,1: 10:[10, 55] Operation: 68-13=55 Exploring Operation: 68-10=58, Resulting Numbers: [13, 58] Generated Node #0,1,2: 10:[13, 58] Operation: 68-10=58 Moving to Node #0,1,1 Current State: 10:[10, 55], Operations: ['72-62=10', '68-13=55'] Exploring Operation: 10+55=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 10*55=550, Resulting Numbers: [550] 550,10 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[13, 58], Operations: ['72-62=10', '68-10=58'] Exploring Operation: 13*58=754, Resulting Numbers: [754] 754,10 unequal: No Solution Exploring Operation: 13+58=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[68, 3], Operations: ['72-62=10', '13-10=3'] Exploring Operation: 68*3=204, Resulting Numbers: [204] 204,10 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 68+3=71, Resulting Numbers: [71] 71,10 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 #0,0 Current State: 10:[13, 72, 6], Operations: ['68-62=6'] Exploring Operation: 72-13=59, Resulting Numbers: [6, 59] Generated Node #0,0,0: 10:[6, 59] Operation: 72-13=59 Exploring Operation: 72-6=66, Resulting Numbers: [13, 66] Generated Node #0,0,1: 10:[13, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [13, 12] Generated Node #0,0,2: 10:[13, 12] Operation: 72/6=12 Moving to Node #0,0,2 Current State: 10:[13, 12], Operations: ['68-62=6', '72/6=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,10 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[6, 59], Operations: ['68-62=6', '72-13=59'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 6*59=354, Resulting Numbers: [354] 354,10 unequal: No Solution Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[13, 66], Operations: ['68-62=6', '72-6=66'] Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,10 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 99, 36, 10, 24 ]
93
[ "36+24=60", "60/10=6", "99-6=93" ]
Current State: 93:[99, 36, 10, 24], Operations: [] Exploring Operation: 36+24=60, Resulting Numbers: [99, 10, 60] Generated Node #2: [99, 10, 60] from Operation: 36+24=60 Current State: 93:[99, 10, 60], Operations: ['36+24=60'] Exploring Operation: 60/10=6, Resulting Numbers: [99, 6] Generated Node #3: [99, 6] from Operation: 60/10=6 Current State: 93:[99, 6], Operations: ['36+24=60', '60/10=6'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[99, 36, 10, 24], Operations: [] Exploring Operation: 10+24=34, Resulting Numbers: [99, 36, 34] Generated Node #0,0: 93:[99, 36, 34] Operation: 10+24=34 Exploring Operation: 36-10=26, Resulting Numbers: [99, 24, 26] Generated Node #0,1: 93:[99, 24, 26] Operation: 36-10=26 Exploring Operation: 99-10=89, Resulting Numbers: [36, 24, 89] Generated Node #0,2: 93:[36, 24, 89] Operation: 99-10=89 Exploring Operation: 36-24=12, Resulting Numbers: [99, 10, 12] Generated Node #0,3: 93:[99, 10, 12] Operation: 36-24=12 Exploring Operation: 24-10=14, Resulting Numbers: [99, 36, 14] Generated Node #0,4: 93:[99, 36, 14] Operation: 24-10=14 Moving to Node #0,0 Current State: 93:[99, 36, 34], Operations: ['10+24=34'] Exploring Operation: 99+36=135, Resulting Numbers: [34, 135] Generated Node #0,0,0: 93:[34, 135] Operation: 99+36=135 Exploring Operation: 99-36=63, Resulting Numbers: [34, 63] Generated Node #0,0,1: 93:[34, 63] Operation: 99-36=63 Exploring Operation: 99-34=65, Resulting Numbers: [36, 65] Generated Node #0,0,2: 93:[36, 65] Operation: 99-34=65 Exploring Operation: 36+34=70, Resulting Numbers: [99, 70] Generated Node #0,0,3: 93:[99, 70] Operation: 36+34=70 Exploring Operation: 36-34=2, Resulting Numbers: [99, 2] Generated Node #0,0,4: 93:[99, 2] Operation: 36-34=2 Moving to Node #0,2 Current State: 93:[36, 24, 89], Operations: ['99-10=89'] Exploring Operation: 89-24=65, Resulting Numbers: [36, 65] Generated Node #0,2,0: 93:[36, 65] Operation: 89-24=65 Exploring Operation: 24+89=113, Resulting Numbers: [36, 113] Generated Node #0,2,1: 93:[36, 113] Operation: 24+89=113 Exploring Operation: 36-24=12, Resulting Numbers: [89, 12] Generated Node #0,2,2: 93:[89, 12] Operation: 36-24=12 Exploring Operation: 89-36=53, Resulting Numbers: [24, 53] Generated Node #0,2,3: 93:[24, 53] Operation: 89-36=53 Exploring Operation: 36+24=60, Resulting Numbers: [89, 60] Generated Node #0,2,4: 93:[89, 60] Operation: 36+24=60 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[89, 12], Operations: ['99-10=89', '36-24=12'] Exploring Operation: 89+12=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 89*12=1068, Resulting Numbers: [1068] 1068,93 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[36, 113], Operations: ['99-10=89', '24+89=113'] Exploring Operation: 113-36=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 36*113=4068, Resulting Numbers: [4068] 4068,93 unequal: No Solution Exploring Operation: 36+113=149, Resulting Numbers: [149] 149,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[24, 53], Operations: ['99-10=89', '89-36=53'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[36, 65], Operations: ['99-10=89', '89-24=65'] Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 93:[89, 60], Operations: ['99-10=89', '36+24=60'] Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 89*60=5340, Resulting Numbers: [5340] 5340,93 unequal: No Solution Exploring Operation: 89+60=149, Resulting Numbers: [149] 149,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[99, 24, 26], Operations: ['36-10=26'] Exploring Operation: 99+24=123, Resulting Numbers: [26, 123] Generated Node #0,1,0: 93:[26, 123] Operation: 99+24=123 Exploring Operation: 24+26=50, Resulting Numbers: [99, 50] Generated Node #0,1,1: 93:[99, 50] Operation: 24+26=50 Exploring Operation: 26-24=2, Resulting Numbers: [99, 2] Generated Node #0,1,2: 93:[99, 2] Operation: 26-24=2 Exploring Operation: 99-26=73, Resulting Numbers: [24, 73] Generated Node #0,1,3: 93:[24, 73] Operation: 99-26=73 Exploring Operation: 99-24=75, Resulting Numbers: [26, 75] Generated Node #0,1,4: 93:[26, 75] Operation: 99-24=75 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[99, 2], Operations: ['36-10=26', '26-24=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,93 unequal: No Solution Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 93:[26, 75], Operations: ['36-10=26', '99-24=75'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[99, 50], Operations: ['36-10=26', '24+26=50'] Exploring Operation: 99+50=149, Resulting Numbers: [149] 149,93 unequal: No Solution Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 99*50=4950, Resulting Numbers: [4950] 4950,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 93:[24, 73], Operations: ['36-10=26', '99-26=73'] Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 24*73=1752, Resulting Numbers: [1752] 1752,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[26, 123], Operations: ['36-10=26', '99+24=123'] Exploring Operation: 26*123=3198, Resulting Numbers: [3198] 3198,93 unequal: No Solution Exploring Operation: 123-26=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 26+123=149, Resulting Numbers: [149] 149,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 93:[99, 10, 12], Operations: ['36-24=12'] Exploring Operation: 99-12=87, Resulting Numbers: [10, 87] Generated Node #0,3,0: 93:[10, 87] Operation: 99-12=87 Exploring Operation: 10+12=22, Resulting Numbers: [99, 22] Generated Node #0,3,1: 93:[99, 22] Operation: 10+12=22 Exploring Operation: 99+10=109, Resulting Numbers: [12, 109] Generated Node #0,3,2: 93:[12, 109] Operation: 99+10=109 Exploring Operation: 12-10=2, Resulting Numbers: [99, 2] Generated Node #0,3,3: 93:[99, 2] Operation: 12-10=2 Exploring Operation: 99-10=89, Resulting Numbers: [12, 89] Generated Node #0,3,4: 93:[12, 89] Operation: 99-10=89 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[99, 2], Operations: ['36-24=12', '12-10=2'] Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,93 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[10, 87], Operations: ['36-24=12', '99-12=87'] Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 10*87=870, Resulting Numbers: [870] 870,93 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 93:[12, 89], Operations: ['36-24=12', '99-10=89'] Exploring Operation: 12*89=1068, Resulting Numbers: [1068] 1068,93 unequal: No Solution Exploring Operation: 12+89=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[99, 22], Operations: ['36-24=12', '10+12=22'] Exploring Operation: 99*22=2178, Resulting Numbers: [2178] 2178,93 unequal: No Solution Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 99+22=121, Resulting Numbers: [121] 121,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[12, 109], Operations: ['36-24=12', '99+10=109'] Exploring Operation: 12*109=1308, Resulting Numbers: [1308] 1308,93 unequal: No Solution Exploring Operation: 12+109=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 109-12=97, Resulting Numbers: [97] 97,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 93:[99, 36, 14], Operations: ['24-10=14'] Exploring Operation: 99-14=85, Resulting Numbers: [36, 85] Generated Node #0,4,0: 93:[36, 85] Operation: 99-14=85 Exploring Operation: 36-14=22, Resulting Numbers: [99, 22] Generated Node #0,4,1: 93:[99, 22] Operation: 36-14=22 Exploring Operation: 36+14=50, Resulting Numbers: [99, 50] Generated Node #0,4,2: 93:[99, 50] Operation: 36+14=50 Exploring Operation: 99+14=113, Resulting Numbers: [36, 113] Generated Node #0,4,3: 93:[36, 113] Operation: 99+14=113 Exploring Operation: 99-36=63, Resulting Numbers: [14, 63] Generated Node #0,4,4: 93:[14, 63] Operation: 99-36=63 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 93:[36, 85], Operations: ['24-10=14', '99-14=85'] Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,93 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 93:[99, 22], Operations: ['24-10=14', '36-14=22'] Exploring Operation: 99*22=2178, Resulting Numbers: [2178] 2178,93 unequal: No Solution Exploring Operation: 99+22=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 93:[99, 50], Operations: ['24-10=14', '36+14=50'] Exploring Operation: 99*50=4950, Resulting Numbers: [4950] 4950,93 unequal: No Solution Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 99+50=149, Resulting Numbers: [149] 149,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 93:[36, 113], Operations: ['24-10=14', '99+14=113'] Exploring Operation: 36+113=149, Resulting Numbers: [149] 149,93 unequal: No Solution Exploring Operation: 113-36=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 36*113=4068, Resulting Numbers: [4068] 4068,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 93:[14, 63], Operations: ['24-10=14', '99-36=63'] Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 93:[99, 2], Operations: ['10+24=34', '36-34=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,93 unequal: No Solution Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[99, 70], Operations: ['10+24=34', '36+34=70'] Exploring Operation: 99*70=6930, Resulting Numbers: [6930] 6930,93 unequal: No Solution Exploring Operation: 99-70=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 99+70=169, Resulting Numbers: [169] 169,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[34, 63], Operations: ['10+24=34', '99-36=63'] Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,93 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[36, 65], Operations: ['10+24=34', '99-34=65'] Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,93 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[34, 135], Operations: ['10+24=34', '99+36=135'] Exploring Operation: 135-34=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 34+135=169, Resulting Numbers: [169] 169,93 unequal: No Solution Exploring Operation: 34*135=4590, Resulting Numbers: [4590] 4590,93 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 31, 33, 81, 76 ]
93
[ "31+33=64", "81+76=157", "157-64=93" ]
Current State: 93:[31, 33, 81, 76], Operations: [] Exploring Operation: 31+33=64, Resulting Numbers: [81, 76, 64] Generated Node #2: [81, 76, 64] from Operation: 31+33=64 Current State: 93:[81, 76, 64], Operations: ['31+33=64'] Exploring Operation: 81+76=157, Resulting Numbers: [64, 157] Generated Node #3: [64, 157] from Operation: 81+76=157 Current State: 93:[64, 157], Operations: ['31+33=64', '81+76=157'] Exploring Operation: 157-64=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[31, 33, 81, 76], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [31, 81, 43] Generated Node #0,0: 93:[31, 81, 43] Operation: 76-33=43 Exploring Operation: 81-76=5, Resulting Numbers: [31, 33, 5] Generated Node #0,1: 93:[31, 33, 5] Operation: 81-76=5 Exploring Operation: 31+76=107, Resulting Numbers: [33, 81, 107] Generated Node #0,2: 93:[33, 81, 107] Operation: 31+76=107 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[31, 33, 5], Operations: ['81-76=5'] Exploring Operation: 31+5=36, Resulting Numbers: [33, 36] Generated Node #0,1,0: 93:[33, 36] Operation: 31+5=36 Exploring Operation: 33-5=28, Resulting Numbers: [31, 28] Generated Node #0,1,1: 93:[31, 28] Operation: 33-5=28 Exploring Operation: 33-31=2, Resulting Numbers: [5, 2] Generated Node #0,1,2: 93:[5, 2] Operation: 33-31=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[31, 28], Operations: ['81-76=5', '33-5=28'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 31*28=868, Resulting Numbers: [868] 868,93 unequal: No Solution No 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: 93:[5, 2], Operations: ['81-76=5', '33-31=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,93 unequal: No Solution No 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: 93:[33, 36], Operations: ['81-76=5', '31+5=36'] Exploring Operation: 33*36=1188, Resulting Numbers: [1188] 1188,93 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[31, 81, 43], Operations: ['76-33=43'] Exploring Operation: 43-31=12, Resulting Numbers: [81, 12] Generated Node #0,0,0: 93:[81, 12] Operation: 43-31=12 Exploring Operation: 81-43=38, Resulting Numbers: [31, 38] Generated Node #0,0,1: 93:[31, 38] Operation: 81-43=38 Exploring Operation: 31+81=112, Resulting Numbers: [43, 112] Generated Node #0,0,2: 93:[43, 112] Operation: 31+81=112 Moving to Node #0,0,1 Current State: 93:[31, 38], Operations: ['76-33=43', '81-43=38'] Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,93 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[81, 12], Operations: ['76-33=43', '43-31=12'] Exploring Operation: 81*12=972, Resulting Numbers: [972] 972,93 unequal: No Solution Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[31, 33, 81, 76], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [31, 81, 43] Generated Node #0,0: 93:[31, 81, 43] Operation: 76-33=43 Moving to Node #0,0 Current State: 93:[31, 81, 43], Operations: ['76-33=43'] Exploring Operation: 43-31=12, Resulting Numbers: [81, 12] Generated Node #0,0,0: 93:[81, 12] Operation: 43-31=12 Moving to Node #0,0,0 Current State: 93:[81, 12], Operations: ['76-33=43', '43-31=12'] Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 5, 35, 38, 22 ]
47
[ "38+22=60", "60/5=12", "35+12=47" ]
Current State: 47:[5, 35, 38, 22], Operations: [] Exploring Operation: 38+22=60, Resulting Numbers: [5, 35, 60] Generated Node #2: [5, 35, 60] from Operation: 38+22=60 Current State: 47:[5, 35, 60], Operations: ['38+22=60'] Exploring Operation: 60/5=12, Resulting Numbers: [35, 12] Generated Node #3: [35, 12] from Operation: 60/5=12 Current State: 47:[35, 12], Operations: ['38+22=60', '60/5=12'] Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[5, 35, 38, 22], Operations: [] Exploring Operation: 5+38=43, Resulting Numbers: [35, 22, 43] Generated Node #0,0: 47:[35, 22, 43] Operation: 5+38=43 Exploring Operation: 5+35=40, Resulting Numbers: [38, 22, 40] Generated Node #0,1: 47:[38, 22, 40] Operation: 5+35=40 Exploring Operation: 5+22=27, Resulting Numbers: [35, 38, 27] Generated Node #0,2: 47:[35, 38, 27] Operation: 5+22=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[35, 22, 43], Operations: ['5+38=43'] Exploring Operation: 22+43=65, Resulting Numbers: [35, 65] Generated Node #0,0,0: 47:[35, 65] Operation: 22+43=65 Exploring Operation: 35-22=13, Resulting Numbers: [43, 13] Generated Node #0,0,1: 47:[43, 13] Operation: 35-22=13 Exploring Operation: 35+22=57, Resulting Numbers: [43, 57] Generated Node #0,0,2: 47:[43, 57] Operation: 35+22=57 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[43, 57], Operations: ['5+38=43', '35+22=57'] Exploring Operation: 43+57=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 43*57=2451, Resulting Numbers: [2451] 2451,47 unequal: No Solution Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[35, 65], Operations: ['5+38=43', '22+43=65'] Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 35*65=2275, Resulting Numbers: [2275] 2275,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[43, 13], Operations: ['5+38=43', '35-22=13'] Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,47 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[38, 22, 40], Operations: ['5+35=40'] Exploring Operation: 22+40=62, Resulting Numbers: [38, 62] Generated Node #0,1,0: 47:[38, 62] Operation: 22+40=62 Exploring Operation: 38+22=60, Resulting Numbers: [40, 60] Generated Node #0,1,1: 47:[40, 60] Operation: 38+22=60 Exploring Operation: 38-22=16, Resulting Numbers: [40, 16] Generated Node #0,1,2: 47:[40, 16] Operation: 38-22=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[40, 60], Operations: ['5+35=40', '38+22=60'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,47 unequal: No Solution Exploring Operation: 40*60=2400, Resulting Numbers: [2400] 2400,47 unequal: No Solution Exploring Operation: 40+60=100, Resulting Numbers: [100] 100,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[38, 62], Operations: ['5+35=40', '22+40=62'] Exploring Operation: 38+62=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 38*62=2356, Resulting Numbers: [2356] 2356,47 unequal: No Solution Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[40, 16], Operations: ['5+35=40', '38-22=16'] Exploring Operation: 40+16=56, Resulting Numbers: [56] 56,47 unequal: No Solution Exploring Operation: 40*16=640, Resulting Numbers: [640] 640,47 unequal: No Solution Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[35, 38, 27], Operations: ['5+22=27'] Exploring Operation: 35+27=62, Resulting Numbers: [38, 62] Generated Node #0,2,0: 47:[38, 62] Operation: 35+27=62 Exploring Operation: 35+38=73, Resulting Numbers: [27, 73] Generated Node #0,2,1: 47:[27, 73] Operation: 35+38=73 Exploring Operation: 38+27=65, Resulting Numbers: [35, 65] Generated Node #0,2,2: 47:[35, 65] Operation: 38+27=65 Moving to Node #0,2,0 Current State: 47:[38, 62], Operations: ['5+22=27', '35+27=62'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 38+62=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 38*62=2356, Resulting Numbers: [2356] 2356,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[35, 65], Operations: ['5+22=27', '38+27=65'] Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 35*65=2275, Resulting Numbers: [2275] 2275,47 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[27, 73], Operations: ['5+22=27', '35+38=73'] Exploring Operation: 27+73=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 27*73=1971, Resulting Numbers: [1971] 1971,47 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 81, 72, 17, 86 ]
94
[ "81-72=9", "17+86=103", "103-9=94" ]
Current State: 94:[81, 72, 17, 86], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [17, 86, 9] Generated Node #2: [17, 86, 9] from Operation: 81-72=9 Current State: 94:[17, 86, 9], Operations: ['81-72=9'] Exploring Operation: 17+86=103, Resulting Numbers: [9, 103] Generated Node #3: [9, 103] from Operation: 17+86=103 Current State: 94:[9, 103], Operations: ['81-72=9', '17+86=103'] Exploring Operation: 103-9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[81, 72, 17, 86], Operations: [] Exploring Operation: 81+17=98, Resulting Numbers: [72, 86, 98] Generated Node #0,0: 94:[72, 86, 98] Operation: 81+17=98 Exploring Operation: 81-72=9, Resulting Numbers: [17, 86, 9] Generated Node #0,1: 94:[17, 86, 9] Operation: 81-72=9 Exploring Operation: 72+17=89, Resulting Numbers: [81, 86, 89] Generated Node #0,2: 94:[81, 86, 89] Operation: 72+17=89 Exploring Operation: 72-17=55, Resulting Numbers: [81, 86, 55] Generated Node #0,3: 94:[81, 86, 55] Operation: 72-17=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[81, 86, 89], Operations: ['72+17=89'] Exploring Operation: 89-81=8, Resulting Numbers: [86, 8] Generated Node #0,2,0: 94:[86, 8] Operation: 89-81=8 Exploring Operation: 86-81=5, Resulting Numbers: [89, 5] Generated Node #0,2,1: 94:[89, 5] Operation: 86-81=5 Exploring Operation: 89-86=3, Resulting Numbers: [81, 3] Generated Node #0,2,2: 94:[81, 3] Operation: 89-86=3 Exploring Operation: 81+86=167, Resulting Numbers: [89, 167] Generated Node #0,2,3: 94:[89, 167] Operation: 81+86=167 Moving to Node #0,2,1 Current State: 94:[89, 5], Operations: ['72+17=89', '86-81=5'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,94 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[81, 72, 17, 86], Operations: [] Exploring Operation: 72+17=89, Resulting Numbers: [81, 86, 89] Generated Node #0,2: 94:[81, 86, 89] Operation: 72+17=89 Moving to Node #0,2 Current State: 94:[81, 86, 89], Operations: ['72+17=89'] Exploring Operation: 86-81=5, Resulting Numbers: [89, 5] Generated Node #0,2,1: 94:[89, 5] Operation: 86-81=5 Moving to Node #0,2,1 Current State: 94:[89, 5], Operations: ['72+17=89', '86-81=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 62, 36, 95, 31 ]
81
[ "36-31=5", "95/5=19", "62+19=81" ]
Current State: 81:[62, 36, 95, 31], Operations: [] Exploring Operation: 36-31=5, Resulting Numbers: [62, 95, 5] Generated Node #2: [62, 95, 5] from Operation: 36-31=5 Current State: 81:[62, 95, 5], Operations: ['36-31=5'] Exploring Operation: 95/5=19, Resulting Numbers: [62, 19] Generated Node #3: [62, 19] from Operation: 95/5=19 Current State: 81:[62, 19], Operations: ['36-31=5', '95/5=19'] Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[62, 36, 95, 31], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [36, 31, 33] Generated Node #0,0: 81:[36, 31, 33] Operation: 95-62=33 Exploring Operation: 62+36=98, Resulting Numbers: [95, 31, 98] Generated Node #0,1: 81:[95, 31, 98] Operation: 62+36=98 Exploring Operation: 62/31=2, Resulting Numbers: [36, 95, 2] Generated Node #0,2: 81:[36, 95, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [36, 95, 31] Generated Node #0,3: 81:[36, 95, 31] Operation: 62-31=31 Exploring Operation: 62-36=26, Resulting Numbers: [95, 31, 26] Generated Node #0,4: 81:[95, 31, 26] Operation: 62-36=26 Moving to Node #0,0 Current State: 81:[36, 31, 33], Operations: ['95-62=33'] Exploring Operation: 36+31=67, Resulting Numbers: [33, 67] Generated Node #0,0,0: 81:[33, 67] Operation: 36+31=67 Exploring Operation: 36-31=5, Resulting Numbers: [33, 5] Generated Node #0,0,1: 81:[33, 5] Operation: 36-31=5 Exploring Operation: 33-31=2, Resulting Numbers: [36, 2] Generated Node #0,0,2: 81:[36, 2] Operation: 33-31=2 Exploring Operation: 36-33=3, Resulting Numbers: [31, 3] Generated Node #0,0,3: 81:[31, 3] Operation: 36-33=3 Exploring Operation: 36+33=69, Resulting Numbers: [31, 69] Generated Node #0,0,4: 81:[31, 69] Operation: 36+33=69 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[31, 3], Operations: ['95-62=33', '36-33=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,81 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[33, 5], Operations: ['95-62=33', '36-31=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,81 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[36, 2], Operations: ['95-62=33', '33-31=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 81:[31, 69], Operations: ['95-62=33', '36+33=69'] Exploring Operation: 31*69=2139, Resulting Numbers: [2139] 2139,81 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[33, 67], Operations: ['95-62=33', '36+31=67'] Exploring Operation: 33*67=2211, Resulting Numbers: [2211] 2211,81 unequal: No Solution Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,81 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: 81:[95, 31, 26], Operations: ['62-36=26'] Exploring Operation: 95-31=64, Resulting Numbers: [26, 64] Generated Node #0,4,0: 81:[26, 64] Operation: 95-31=64 Exploring Operation: 31+26=57, Resulting Numbers: [95, 57] Generated Node #0,4,1: 81:[95, 57] Operation: 31+26=57 Exploring Operation: 95-26=69, Resulting Numbers: [31, 69] Generated Node #0,4,2: 81:[31, 69] Operation: 95-26=69 Exploring Operation: 31-26=5, Resulting Numbers: [95, 5] Generated Node #0,4,3: 81:[95, 5] Operation: 31-26=5 Exploring Operation: 95+26=121, Resulting Numbers: [31, 121] Generated Node #0,4,4: 81:[31, 121] Operation: 95+26=121 Moving to Node #0,2 Current State: 81:[36, 95, 2], Operations: ['62/31=2'] Exploring Operation: 36/2=18, Resulting Numbers: [95, 18] Generated Node #0,2,0: 81:[95, 18] Operation: 36/2=18 Exploring Operation: 36-2=34, Resulting Numbers: [95, 34] Generated Node #0,2,1: 81:[95, 34] Operation: 36-2=34 Exploring Operation: 36*2=72, Resulting Numbers: [95, 72] Generated Node #0,2,2: 81:[95, 72] Operation: 36*2=72 Exploring Operation: 95-36=59, Resulting Numbers: [2, 59] Generated Node #0,2,3: 81:[2, 59] Operation: 95-36=59 Exploring Operation: 95-2=93, Resulting Numbers: [36, 93] Generated Node #0,2,4: 81:[36, 93] Operation: 95-2=93 Moving to Node #0,3 Current State: 81:[36, 95, 31], Operations: ['62-31=31'] Exploring Operation: 36+95=131, Resulting Numbers: [31, 131] Generated Node #0,3,0: 81:[31, 131] Operation: 36+95=131 Exploring Operation: 36-31=5, Resulting Numbers: [95, 5] Generated Node #0,3,1: 81:[95, 5] Operation: 36-31=5 Exploring Operation: 95-31=64, Resulting Numbers: [36, 64] Generated Node #0,3,2: 81:[36, 64] Operation: 95-31=64 Exploring Operation: 36+31=67, Resulting Numbers: [95, 67] Generated Node #0,3,3: 81:[95, 67] Operation: 36+31=67 Exploring Operation: 95-36=59, Resulting Numbers: [31, 59] Generated Node #0,3,4: 81:[31, 59] Operation: 95-36=59 Moving to Node #0,1 Current State: 81:[95, 31, 98], Operations: ['62+36=98'] Exploring Operation: 31+98=129, Resulting Numbers: [95, 129] Generated Node #0,1,0: 81:[95, 129] Operation: 31+98=129 Exploring Operation: 98-95=3, Resulting Numbers: [31, 3] Generated Node #0,1,1: 81:[31, 3] Operation: 98-95=3 Exploring Operation: 98-31=67, Resulting Numbers: [95, 67] Generated Node #0,1,2: 81:[95, 67] Operation: 98-31=67 Exploring Operation: 95+31=126, Resulting Numbers: [98, 126] Generated Node #0,1,3: 81:[98, 126] Operation: 95+31=126 Exploring Operation: 95-31=64, Resulting Numbers: [98, 64] Generated Node #0,1,4: 81:[98, 64] Operation: 95-31=64 Moving to Node #0,1,1 Current State: 81:[31, 3], Operations: ['62+36=98', '98-95=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[31, 69], Operations: ['62-36=26', '95-26=69'] Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 31*69=2139, Resulting Numbers: [2139] 2139,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[95, 5], Operations: ['62-31=31', '36-31=5'] Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 95*5=475, Resulting Numbers: [475] 475,81 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[95, 5], Operations: ['62-36=26', '31-26=5'] Exploring Operation: 95*5=475, Resulting Numbers: [475] 475,81 unequal: No Solution Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,81 unequal: No Solution Moving to Node #0,4,0 Current State: 81:[26, 64], Operations: ['62-36=26', '95-31=64'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,81 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[36, 93], Operations: ['62/31=2', '95-2=93'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 36*93=3348, Resulting Numbers: [3348] 3348,81 unequal: No Solution Exploring Operation: 36+93=129, Resulting Numbers: [129] 129,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[95, 34], Operations: ['62/31=2', '36-2=34'] Exploring Operation: 95*34=3230, Resulting Numbers: [3230] 3230,81 unequal: No Solution Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,81 unequal: No Solution Exploring Operation: 95+34=129, Resulting Numbers: [129] 129,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[2, 59], Operations: ['62/31=2', '95-36=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,81 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[95, 72], Operations: ['62/31=2', '36*2=72'] Exploring Operation: 95+72=167, Resulting Numbers: [167] 167,81 unequal: No Solution Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 95*72=6840, Resulting Numbers: [6840] 6840,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[95, 18], Operations: ['62/31=2', '36/2=18'] Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,81 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,81 unequal: No Solution Moving to Node #0,3,4 Current State: 81:[31, 59], Operations: ['62-31=31', '95-36=59'] Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[36, 64], Operations: ['62-31=31', '95-31=64'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 36+64=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 36*64=2304, Resulting Numbers: [2304] 2304,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[95, 67], Operations: ['62-31=31', '36+31=67'] Exploring Operation: 95*67=6365, Resulting Numbers: [6365] 6365,81 unequal: No Solution Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 95+67=162, Resulting Numbers: [162] 162,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[95, 67], Operations: ['62+36=98', '98-31=67'] Exploring Operation: 95+67=162, Resulting Numbers: [162] 162,81 unequal: No Solution Exploring Operation: 95*67=6365, Resulting Numbers: [6365] 6365,81 unequal: No Solution Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[98, 64], Operations: ['62+36=98', '95-31=64'] Exploring Operation: 98+64=162, Resulting Numbers: [162] 162,81 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 98*64=6272, Resulting Numbers: [6272] 6272,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[95, 57], Operations: ['62-36=26', '31+26=57'] Exploring Operation: 95*57=5415, Resulting Numbers: [5415] 5415,81 unequal: No Solution Exploring Operation: 95+57=152, Resulting Numbers: [152] 152,81 unequal: No Solution Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[31, 121], Operations: ['62-36=26', '95+26=121'] Exploring Operation: 31*121=3751, Resulting Numbers: [3751] 3751,81 unequal: No Solution Exploring Operation: 121-31=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 31+121=152, Resulting Numbers: [152] 152,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[31, 131], Operations: ['62-31=31', '36+95=131'] Exploring Operation: 31+131=162, Resulting Numbers: [162] 162,81 unequal: No Solution Exploring Operation: 131-31=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 31*131=4061, Resulting Numbers: [4061] 4061,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[95, 129], Operations: ['62+36=98', '31+98=129'] Exploring Operation: 95*129=12255, Resulting Numbers: [12255] 12255,81 unequal: No Solution Exploring Operation: 129-95=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 95+129=224, Resulting Numbers: [224] 224,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[98, 126], Operations: ['62+36=98', '95+31=126'] Exploring Operation: 126-98=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 98*126=12348, Resulting Numbers: [12348] 12348,81 unequal: No Solution Exploring Operation: 98+126=224, Resulting Numbers: [224] 224,81 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 76, 22, 72, 60 ]
37
[ "76-72=4", "60/4=15", "22+15=37" ]
Current State: 37:[76, 22, 72, 60], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [22, 60, 4] Generated Node #2: [22, 60, 4] from Operation: 76-72=4 Current State: 37:[22, 60, 4], Operations: ['76-72=4'] Exploring Operation: 60/4=15, Resulting Numbers: [22, 15] Generated Node #3: [22, 15] from Operation: 60/4=15 Current State: 37:[22, 15], Operations: ['76-72=4', '60/4=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[76, 22, 72, 60], Operations: [] Exploring Operation: 76-22=54, Resulting Numbers: [72, 60, 54] Generated Node #0,0: 37:[72, 60, 54] Operation: 76-22=54 Exploring Operation: 76-60=16, Resulting Numbers: [22, 72, 16] Generated Node #0,1: 37:[22, 72, 16] Operation: 76-60=16 Exploring Operation: 76-72=4, Resulting Numbers: [22, 60, 4] Generated Node #0,2: 37:[22, 60, 4] Operation: 76-72=4 Exploring Operation: 72-22=50, Resulting Numbers: [76, 60, 50] Generated Node #0,3: 37:[76, 60, 50] Operation: 72-22=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[22, 72, 16], Operations: ['76-60=16'] Exploring Operation: 22-16=6, Resulting Numbers: [72, 6] Generated Node #0,1,0: 37:[72, 6] Operation: 22-16=6 Exploring Operation: 72-22=50, Resulting Numbers: [16, 50] Generated Node #0,1,1: 37:[16, 50] Operation: 72-22=50 Exploring Operation: 72-16=56, Resulting Numbers: [22, 56] Generated Node #0,1,2: 37:[22, 56] Operation: 72-16=56 Exploring Operation: 22+16=38, Resulting Numbers: [72, 38] Generated Node #0,1,3: 37:[72, 38] Operation: 22+16=38 Moving to Node #0,1,1 Current State: 37:[16, 50], Operations: ['76-60=16', '72-22=50'] Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,37 unequal: No Solution Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[22, 56], Operations: ['76-60=16', '72-16=56'] Exploring Operation: 22*56=1232, Resulting Numbers: [1232] 1232,37 unequal: No Solution Exploring Operation: 22+56=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[72, 38], Operations: ['76-60=16', '22+16=38'] Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 72+38=110, Resulting Numbers: [110] 110,37 unequal: No Solution Exploring Operation: 72*38=2736, Resulting Numbers: [2736] 2736,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[72, 6], Operations: ['76-60=16', '22-16=6'] Exploring Operation: 72*6=432, Resulting Numbers: [432] 432,37 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[22, 60, 4], Operations: ['76-72=4'] Exploring Operation: 60-22=38, Resulting Numbers: [4, 38] Generated Node #0,2,0: 37:[4, 38] Operation: 60-22=38 Exploring Operation: 22+4=26, Resulting Numbers: [60, 26] Generated Node #0,2,1: 37:[60, 26] Operation: 22+4=26 Exploring Operation: 60-4=56, Resulting Numbers: [22, 56] Generated Node #0,2,2: 37:[22, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [22, 15] Generated Node #0,2,3: 37:[22, 15] Operation: 60/4=15 Moving to Node #0,2,0 Current State: 37:[4, 38], Operations: ['76-72=4', '60-22=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,37 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[22, 56], Operations: ['76-72=4', '60-4=56'] Exploring Operation: 22+56=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 22*56=1232, Resulting Numbers: [1232] 1232,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[60, 26], Operations: ['76-72=4', '22+4=26'] Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,37 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[22, 15], Operations: ['76-72=4', '60/4=15'] Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,37 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[76, 22, 72, 60], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [22, 60, 4] Generated Node #0,2: 37:[22, 60, 4] Operation: 76-72=4 Moving to Node #0,2 Current State: 37:[22, 60, 4], Operations: ['76-72=4'] Exploring Operation: 60/4=15, Resulting Numbers: [22, 15] Generated Node #0,2,3: 37:[22, 15] Operation: 60/4=15 Moving to Node #0,2,3 Current State: 37:[22, 15], Operations: ['76-72=4', '60/4=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 73, 35, 39, 68 ]
79
[ "73+35=108", "68-39=29", "108-29=79" ]
Current State: 79:[73, 35, 39, 68], Operations: [] Exploring Operation: 73+35=108, Resulting Numbers: [39, 68, 108] Generated Node #2: [39, 68, 108] from Operation: 73+35=108 Current State: 79:[39, 68, 108], Operations: ['73+35=108'] Exploring Operation: 68-39=29, Resulting Numbers: [108, 29] Generated Node #3: [108, 29] from Operation: 68-39=29 Current State: 79:[108, 29], Operations: ['73+35=108', '68-39=29'] Exploring Operation: 108-29=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[73, 35, 39, 68], Operations: [] Exploring Operation: 35+39=74, Resulting Numbers: [73, 68, 74] Generated Node #0,0: 79:[73, 68, 74] Operation: 35+39=74 Exploring Operation: 39+68=107, Resulting Numbers: [73, 35, 107] Generated Node #0,1: 79:[73, 35, 107] Operation: 39+68=107 Exploring Operation: 73+35=108, Resulting Numbers: [39, 68, 108] Generated Node #0,2: 79:[39, 68, 108] Operation: 73+35=108 Exploring Operation: 35+68=103, Resulting Numbers: [73, 39, 103] Generated Node #0,3: 79:[73, 39, 103] Operation: 35+68=103 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[73, 68, 74], Operations: ['35+39=74'] Exploring Operation: 68+74=142, Resulting Numbers: [73, 142] Generated Node #0,0,0: 79:[73, 142] Operation: 68+74=142 Exploring Operation: 73+68=141, Resulting Numbers: [74, 141] Generated Node #0,0,1: 79:[74, 141] Operation: 73+68=141 Exploring Operation: 73-68=5, Resulting Numbers: [74, 5] Generated Node #0,0,2: 79:[74, 5] Operation: 73-68=5 Exploring Operation: 73+74=147, Resulting Numbers: [68, 147] Generated Node #0,0,3: 79:[68, 147] Operation: 73+74=147 Moving to Node #0,0,1 Current State: 79:[74, 141], Operations: ['35+39=74', '73+68=141'] Exploring Operation: 74*141=10434, Resulting Numbers: [10434] 10434,79 unequal: No Solution Exploring Operation: 74+141=215, Resulting Numbers: [215] 215,79 unequal: No Solution Exploring Operation: 141-74=67, Resulting Numbers: [67] 67,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[73, 142], Operations: ['35+39=74', '68+74=142'] Exploring Operation: 73*142=10366, Resulting Numbers: [10366] 10366,79 unequal: No Solution Exploring Operation: 142-73=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 73+142=215, Resulting Numbers: [215] 215,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[68, 147], Operations: ['35+39=74', '73+74=147'] Exploring Operation: 68+147=215, Resulting Numbers: [215] 215,79 unequal: No Solution Exploring Operation: 147-68=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[73, 35, 39, 68], Operations: [] Exploring Operation: 35+39=74, Resulting Numbers: [73, 68, 74] Generated Node #0,0: 79:[73, 68, 74] Operation: 35+39=74 Moving to Node #0,0 Current State: 79:[73, 68, 74], Operations: ['35+39=74'] Exploring Operation: 73+74=147, Resulting Numbers: [68, 147] Generated Node #0,0,3: 79:[68, 147] Operation: 73+74=147 Moving to Node #0,0,3 Current State: 79:[68, 147], Operations: ['35+39=74', '73+74=147'] Exploring Operation: 147-68=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 10, 29, 16, 64 ]
67
[ "29-10=19", "64-16=48", "19+48=67" ]
Current State: 67:[10, 29, 16, 64], Operations: [] Exploring Operation: 29-10=19, Resulting Numbers: [16, 64, 19] Generated Node #2: [16, 64, 19] from Operation: 29-10=19 Current State: 67:[16, 64, 19], Operations: ['29-10=19'] Exploring Operation: 64-16=48, Resulting Numbers: [19, 48] Generated Node #3: [19, 48] from Operation: 64-16=48 Current State: 67:[19, 48], Operations: ['29-10=19', '64-16=48'] Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[10, 29, 16, 64], Operations: [] Exploring Operation: 10+29=39, Resulting Numbers: [16, 64, 39] Generated Node #0,0: 67:[16, 64, 39] Operation: 10+29=39 Exploring Operation: 29+16=45, Resulting Numbers: [10, 64, 45] Generated Node #0,1: 67:[10, 64, 45] Operation: 29+16=45 Exploring Operation: 10+16=26, Resulting Numbers: [29, 64, 26] Generated Node #0,2: 67:[29, 64, 26] Operation: 10+16=26 Exploring Operation: 29-10=19, Resulting Numbers: [16, 64, 19] Generated Node #0,3: 67:[16, 64, 19] Operation: 29-10=19 Exploring Operation: 10+64=74, Resulting Numbers: [29, 16, 74] Generated Node #0,4: 67:[29, 16, 74] Operation: 10+64=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[16, 64, 39], Operations: ['10+29=39'] Exploring Operation: 16+39=55, Resulting Numbers: [64, 55] Generated Node #0,0,0: 67:[64, 55] Operation: 16+39=55 Exploring Operation: 39-16=23, Resulting Numbers: [64, 23] Generated Node #0,0,1: 67:[64, 23] Operation: 39-16=23 Exploring Operation: 16+64=80, Resulting Numbers: [39, 80] Generated Node #0,0,2: 67:[39, 80] Operation: 16+64=80 Exploring Operation: 64+39=103, Resulting Numbers: [16, 103] Generated Node #0,0,3: 67:[16, 103] Operation: 64+39=103 Exploring Operation: 64-16=48, Resulting Numbers: [39, 48] Generated Node #0,0,4: 67:[39, 48] Operation: 64-16=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[64, 55], Operations: ['10+29=39', '16+39=55'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[39, 80], Operations: ['10+29=39', '16+64=80'] Exploring Operation: 39+80=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 39*80=3120, Resulting Numbers: [3120] 3120,67 unequal: No Solution Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[64, 23], Operations: ['10+29=39', '39-16=23'] Exploring Operation: 64*23=1472, Resulting Numbers: [1472] 1472,67 unequal: No Solution Exploring Operation: 64+23=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 67:[39, 48], Operations: ['10+29=39', '64-16=48'] Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,67 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[16, 103], Operations: ['10+29=39', '64+39=103'] Exploring Operation: 103-16=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 16+103=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 16*103=1648, Resulting Numbers: [1648] 1648,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[10, 64, 45], Operations: ['29+16=45'] Exploring Operation: 45-10=35, Resulting Numbers: [64, 35] Generated Node #0,1,0: 67:[64, 35] Operation: 45-10=35 Exploring Operation: 10+64=74, Resulting Numbers: [45, 74] Generated Node #0,1,1: 67:[45, 74] Operation: 10+64=74 Exploring Operation: 64+45=109, Resulting Numbers: [10, 109] Generated Node #0,1,2: 67:[10, 109] Operation: 64+45=109 Exploring Operation: 64-10=54, Resulting Numbers: [45, 54] Generated Node #0,1,3: 67:[45, 54] Operation: 64-10=54 Exploring Operation: 10+45=55, Resulting Numbers: [64, 55] Generated Node #0,1,4: 67:[64, 55] Operation: 10+45=55 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 67:[64, 55], Operations: ['29+16=45', '10+45=55'] Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,67 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[45, 74], Operations: ['29+16=45', '10+64=74'] Exploring Operation: 45*74=3330, Resulting Numbers: [3330] 3330,67 unequal: No Solution Exploring Operation: 45+74=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[64, 35], Operations: ['29+16=45', '45-10=35'] Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 64+35=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 64*35=2240, Resulting Numbers: [2240] 2240,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[45, 54], Operations: ['29+16=45', '64-10=54'] Exploring Operation: 45*54=2430, Resulting Numbers: [2430] 2430,67 unequal: No Solution Exploring Operation: 54-45=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 45+54=99, Resulting Numbers: [99] 99,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[10, 109], Operations: ['29+16=45', '64+45=109'] Exploring Operation: 109-10=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 10*109=1090, Resulting Numbers: [1090] 1090,67 unequal: No Solution Exploring Operation: 10+109=119, Resulting Numbers: [119] 119,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[29, 64, 26], Operations: ['10+16=26'] Exploring Operation: 29+26=55, Resulting Numbers: [64, 55] Generated Node #0,2,0: 67:[64, 55] Operation: 29+26=55 Exploring Operation: 29+64=93, Resulting Numbers: [26, 93] Generated Node #0,2,1: 67:[26, 93] Operation: 29+64=93 Exploring Operation: 64-26=38, Resulting Numbers: [29, 38] Generated Node #0,2,2: 67:[29, 38] Operation: 64-26=38 Exploring Operation: 64+26=90, Resulting Numbers: [29, 90] Generated Node #0,2,3: 67:[29, 90] Operation: 64+26=90 Exploring Operation: 29-26=3, Resulting Numbers: [64, 3] Generated Node #0,2,4: 67:[64, 3] Operation: 29-26=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[64, 55], Operations: ['10+16=26', '29+26=55'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,67 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[29, 90], Operations: ['10+16=26', '64+26=90'] Exploring Operation: 29*90=2610, Resulting Numbers: [2610] 2610,67 unequal: No Solution Exploring Operation: 29+90=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[26, 93], Operations: ['10+16=26', '29+64=93'] Exploring Operation: 26*93=2418, Resulting Numbers: [2418] 2418,67 unequal: No Solution Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[10, 29, 16, 64], Operations: [] Exploring Operation: 10+16=26, Resulting Numbers: [29, 64, 26] Generated Node #0,2: 67:[29, 64, 26] Operation: 10+16=26 Moving to Node #0,2 Current State: 67:[29, 64, 26], Operations: ['10+16=26'] Exploring Operation: 29+64=93, Resulting Numbers: [26, 93] Generated Node #0,2,1: 67:[26, 93] Operation: 29+64=93 Moving to Node #0,2,1 Current State: 67:[26, 93], Operations: ['10+16=26', '29+64=93'] Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 69, 2, 24, 13 ]
88
[ "69-13=56", "2*56=112", "112-24=88" ]
Current State: 88:[69, 2, 24, 13], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [2, 24, 56] Generated Node #2: [2, 24, 56] from Operation: 69-13=56 Current State: 88:[2, 24, 56], Operations: ['69-13=56'] Exploring Operation: 2*56=112, Resulting Numbers: [24, 112] Generated Node #3: [24, 112] from Operation: 2*56=112 Current State: 88:[24, 112], Operations: ['69-13=56', '2*56=112'] Exploring Operation: 112-24=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[69, 2, 24, 13], Operations: [] Exploring Operation: 69-24=45, Resulting Numbers: [2, 13, 45] Generated Node #0,0: 88:[2, 13, 45] Operation: 69-24=45 Moving to Node #0,0 Current State: 88:[2, 13, 45], Operations: ['69-24=45'] Exploring Operation: 13-2=11, Resulting Numbers: [45, 11] Generated Node #0,0,0: 88:[45, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[45, 11], Operations: ['69-24=45', '13-2=11'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,88 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
[ 65, 98, 4, 40 ]
43
[ "98-65=33", "40/4=10", "33+10=43" ]
Current State: 43:[65, 98, 4, 40], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [4, 40, 33] Generated Node #2: [4, 40, 33] from Operation: 98-65=33 Current State: 43:[4, 40, 33], Operations: ['98-65=33'] Exploring Operation: 40/4=10, Resulting Numbers: [33, 10] Generated Node #3: [33, 10] from Operation: 40/4=10 Current State: 43:[33, 10], Operations: ['98-65=33', '40/4=10'] Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[65, 98, 4, 40], Operations: [] Exploring Operation: 98-4=94, Resulting Numbers: [65, 40, 94] Generated Node #0,0: 43:[65, 40, 94] Operation: 98-4=94 Exploring Operation: 65-4=61, Resulting Numbers: [98, 40, 61] Generated Node #0,1: 43:[98, 40, 61] Operation: 65-4=61 Exploring Operation: 98-65=33, Resulting Numbers: [4, 40, 33] Generated Node #0,2: 43:[4, 40, 33] Operation: 98-65=33 Exploring Operation: 4+40=44, Resulting Numbers: [65, 98, 44] Generated Node #0,3: 43:[65, 98, 44] Operation: 4+40=44 Exploring Operation: 98-40=58, Resulting Numbers: [65, 4, 58] Generated Node #0,4: 43:[65, 4, 58] Operation: 98-40=58 Moving to Node #0,2 Current State: 43:[4, 40, 33], Operations: ['98-65=33'] Exploring Operation: 40/4=10, Resulting Numbers: [33, 10] Generated Node #0,2,0: 43:[33, 10] Operation: 40/4=10 Exploring Operation: 4+40=44, Resulting Numbers: [33, 44] Generated Node #0,2,1: 43:[33, 44] Operation: 4+40=44 Exploring Operation: 33-4=29, Resulting Numbers: [40, 29] Generated Node #0,2,2: 43:[40, 29] Operation: 33-4=29 Exploring Operation: 40-4=36, Resulting Numbers: [33, 36] Generated Node #0,2,3: 43:[33, 36] Operation: 40-4=36 Exploring Operation: 4+33=37, Resulting Numbers: [40, 37] Generated Node #0,2,4: 43:[40, 37] Operation: 4+33=37 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 43:[40, 37], Operations: ['98-65=33', '4+33=37'] Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,43 unequal: No Solution Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[33, 44], Operations: ['98-65=33', '4+40=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,43 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[40, 29], Operations: ['98-65=33', '33-4=29'] Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 43:[33, 36], Operations: ['98-65=33', '40-4=36'] Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 33*36=1188, Resulting Numbers: [1188] 1188,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[33, 10], Operations: ['98-65=33', '40/4=10'] Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,43 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[65, 98, 4, 40], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [4, 40, 33] Generated Node #0,2: 43:[4, 40, 33] Operation: 98-65=33 Moving to Node #0,2 Current State: 43:[4, 40, 33], Operations: ['98-65=33'] Exploring Operation: 40/4=10, Resulting Numbers: [33, 10] Generated Node #0,2,0: 43:[33, 10] Operation: 40/4=10 Moving to Node #0,2,0 Current State: 43:[33, 10], Operations: ['98-65=33', '40/4=10'] Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
sum_heuristic
[ 24, 96, 54, 67 ]
59
[ "96-24=72", "67-54=13", "72-13=59" ]
Current State: 59:[24, 96, 54, 67], Operations: [] Exploring Operation: 96-24=72, Resulting Numbers: [54, 67, 72] Generated Node #2: [54, 67, 72] from Operation: 96-24=72 Current State: 59:[54, 67, 72], Operations: ['96-24=72'] Exploring Operation: 67-54=13, Resulting Numbers: [72, 13] Generated Node #3: [72, 13] from Operation: 67-54=13 Current State: 59:[72, 13], Operations: ['96-24=72', '67-54=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[24, 96, 54, 67], Operations: [] Exploring Operation: 96-54=42, Resulting Numbers: [24, 67, 42] Generated Node #0,0: 59:[24, 67, 42] Operation: 96-54=42 Exploring Operation: 24+54=78, Resulting Numbers: [96, 67, 78] Generated Node #0,1: 59:[96, 67, 78] Operation: 24+54=78 Exploring Operation: 67-24=43, Resulting Numbers: [96, 54, 43] Generated Node #0,2: 59:[96, 54, 43] Operation: 67-24=43 Exploring Operation: 96/24=4, Resulting Numbers: [54, 67, 4] Generated Node #0,3: 59:[54, 67, 4] Operation: 96/24=4 Exploring Operation: 96-24=72, Resulting Numbers: [54, 67, 72] Generated Node #0,4: 59:[54, 67, 72] Operation: 96-24=72 Moving to Node #0,4 Current State: 59:[54, 67, 72], Operations: ['96-24=72'] Exploring Operation: 54+67=121, Resulting Numbers: [72, 121] Generated Node #0,4,0: 59:[72, 121] Operation: 54+67=121 Exploring Operation: 72-54=18, Resulting Numbers: [67, 18] Generated Node #0,4,1: 59:[67, 18] Operation: 72-54=18 Exploring Operation: 54+72=126, Resulting Numbers: [67, 126] Generated Node #0,4,2: 59:[67, 126] Operation: 54+72=126 Exploring Operation: 72-67=5, Resulting Numbers: [54, 5] Generated Node #0,4,3: 59:[54, 5] Operation: 72-67=5 Exploring Operation: 67-54=13, Resulting Numbers: [72, 13] Generated Node #0,4,4: 59:[72, 13] Operation: 67-54=13 Moving to Node #0,2 Current State: 59:[96, 54, 43], Operations: ['67-24=43'] Exploring Operation: 96+43=139, Resulting Numbers: [54, 139] Generated Node #0,2,0: 59:[54, 139] Operation: 96+43=139 Exploring Operation: 96-43=53, Resulting Numbers: [54, 53] Generated Node #0,2,1: 59:[54, 53] Operation: 96-43=53 Exploring Operation: 96-54=42, Resulting Numbers: [43, 42] Generated Node #0,2,2: 59:[43, 42] Operation: 96-54=42 Exploring Operation: 54-43=11, Resulting Numbers: [96, 11] Generated Node #0,2,3: 59:[96, 11] Operation: 54-43=11 Exploring Operation: 54+43=97, Resulting Numbers: [96, 97] Generated Node #0,2,4: 59:[96, 97] Operation: 54+43=97 Moving to Node #0,0 Current State: 59:[24, 67, 42], Operations: ['96-54=42'] Exploring Operation: 67-42=25, Resulting Numbers: [24, 25] Generated Node #0,0,0: 59:[24, 25] Operation: 67-42=25 Exploring Operation: 24+42=66, Resulting Numbers: [67, 66] Generated Node #0,0,1: 59:[67, 66] Operation: 24+42=66 Exploring Operation: 67-24=43, Resulting Numbers: [42, 43] Generated Node #0,0,2: 59:[42, 43] Operation: 67-24=43 Exploring Operation: 42-24=18, Resulting Numbers: [67, 18] Generated Node #0,0,3: 59:[67, 18] Operation: 42-24=18 Exploring Operation: 24+67=91, Resulting Numbers: [42, 91] Generated Node #0,0,4: 59:[42, 91] Operation: 24+67=91 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[67, 66], Operations: ['96-54=42', '24+42=66'] Exploring Operation: 67+66=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 67*66=4422, Resulting Numbers: [4422] 4422,59 unequal: No Solution Exploring Operation: 67-66=1, Resulting Numbers: [1] 1,59 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 #0,0,2 Current State: 59:[42, 43], Operations: ['96-54=42', '67-24=43'] Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,59 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,59 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 #0,0,3 Current State: 59:[67, 18], Operations: ['96-54=42', '42-24=18'] Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,59 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,59 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 #0,0,4 Current State: 59:[42, 91], Operations: ['96-54=42', '24+67=91'] Exploring Operation: 91-42=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 42*91=3822, Resulting Numbers: [3822] 3822,59 unequal: No Solution Exploring Operation: 42+91=133, Resulting Numbers: [133] 133,59 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 #0,0,0 Current State: 59:[24, 25], Operations: ['96-54=42', '67-42=25'] Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,59 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,59 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: 59:[96, 67, 78], Operations: ['24+54=78'] Exploring Operation: 78-67=11, Resulting Numbers: [96, 11] Generated Node #0,1,0: 59:[96, 11] Operation: 78-67=11 Exploring Operation: 96-67=29, Resulting Numbers: [78, 29] Generated Node #0,1,1: 59:[78, 29] Operation: 96-67=29 Exploring Operation: 96-78=18, Resulting Numbers: [67, 18] Generated Node #0,1,2: 59:[67, 18] Operation: 96-78=18 Exploring Operation: 96+78=174, Resulting Numbers: [67, 174] Generated Node #0,1,3: 59:[67, 174] Operation: 96+78=174 Exploring Operation: 96+67=163, Resulting Numbers: [78, 163] Generated Node #0,1,4: 59:[78, 163] Operation: 96+67=163 Moving to Node #0,3 Current State: 59:[54, 67, 4], Operations: ['96/24=4'] Exploring Operation: 54-4=50, Resulting Numbers: [67, 50] Generated Node #0,3,0: 59:[67, 50] Operation: 54-4=50 Exploring Operation: 67+4=71, Resulting Numbers: [54, 71] Generated Node #0,3,1: 59:[54, 71] Operation: 67+4=71 Exploring Operation: 67-4=63, Resulting Numbers: [54, 63] Generated Node #0,3,2: 59:[54, 63] Operation: 67-4=63 Exploring Operation: 67-54=13, Resulting Numbers: [4, 13] Generated Node #0,3,3: 59:[4, 13] Operation: 67-54=13 Exploring Operation: 54+4=58, Resulting Numbers: [67, 58] Generated Node #0,3,4: 59:[67, 58] Operation: 54+4=58 Moving to Node #0,3,2 Current State: 59:[54, 63], Operations: ['96/24=4', '67-4=63'] Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,59 unequal: No Solution Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[67, 58], Operations: ['96/24=4', '54+4=58'] Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,59 unequal: No Solution Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[54, 53], Operations: ['67-24=43', '96-43=53'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 54*53=2862, Resulting Numbers: [2862] 2862,59 unequal: No Solution Exploring Operation: 54+53=107, Resulting Numbers: [107] 107,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[67, 50], Operations: ['96/24=4', '54-4=50'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,59 unequal: No Solution Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[54, 71], Operations: ['96/24=4', '67+4=71'] Exploring Operation: 54+71=125, Resulting Numbers: [125] 125,59 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 54*71=3834, Resulting Numbers: [3834] 3834,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[43, 42], Operations: ['67-24=43', '96-54=42'] Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,59 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[67, 18], Operations: ['96-24=72', '72-54=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,59 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[67, 18], Operations: ['24+54=78', '96-78=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[78, 29], Operations: ['24+54=78', '96-67=29'] Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,59 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[72, 13], Operations: ['96-24=72', '67-54=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[24, 96, 54, 67], Operations: [] Exploring Operation: 96-24=72, Resulting Numbers: [54, 67, 72] Generated Node #0,4: 59:[54, 67, 72] Operation: 96-24=72 Moving to Node #0,4 Current State: 59:[54, 67, 72], Operations: ['96-24=72'] Exploring Operation: 67-54=13, Resulting Numbers: [72, 13] Generated Node #0,4,4: 59:[72, 13] Operation: 67-54=13 Moving to Node #0,4,4 Current State: 59:[72, 13], Operations: ['96-24=72', '67-54=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.93316
hs_5
sum_heuristic
[ 92, 43, 72, 46 ]
79
[ "92/46=2", "72/2=36", "43+36=79" ]
Current State: 79:[92, 43, 72, 46], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [43, 72, 2] Generated Node #2: [43, 72, 2] from Operation: 92/46=2 Current State: 79:[43, 72, 2], Operations: ['92/46=2'] Exploring Operation: 72/2=36, Resulting Numbers: [43, 36] Generated Node #3: [43, 36] from Operation: 72/2=36 Current State: 79:[43, 36], Operations: ['92/46=2', '72/2=36'] Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[92, 43, 72, 46], Operations: [] Exploring Operation: 43+72=115, Resulting Numbers: [92, 46, 115] Generated Node #0,0: 79:[92, 46, 115] Operation: 43+72=115 Exploring Operation: 92-46=46, Resulting Numbers: [43, 72, 46] Generated Node #0,1: 79:[43, 72, 46] Operation: 92-46=46 Exploring Operation: 43+46=89, Resulting Numbers: [92, 72, 89] Generated Node #0,2: 79:[92, 72, 89] Operation: 43+46=89 Exploring Operation: 92-43=49, Resulting Numbers: [72, 46, 49] Generated Node #0,3: 79:[72, 46, 49] Operation: 92-43=49 Moving to Node #0,2 Current State: 79:[92, 72, 89], Operations: ['43+46=89'] Exploring Operation: 92-89=3, Resulting Numbers: [72, 3] Generated Node #0,2,0: 79:[72, 3] Operation: 92-89=3 Exploring Operation: 92+72=164, Resulting Numbers: [89, 164] Generated Node #0,2,1: 79:[89, 164] Operation: 92+72=164 Exploring Operation: 92-72=20, Resulting Numbers: [89, 20] Generated Node #0,2,2: 79:[89, 20] Operation: 92-72=20 Exploring Operation: 89-72=17, Resulting Numbers: [92, 17] Generated Node #0,2,3: 79:[92, 17] Operation: 89-72=17 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 79:[89, 20], Operations: ['43+46=89', '92-72=20'] Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 79:[92, 17], Operations: ['43+46=89', '89-72=17'] Exploring Operation: 92+17=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 92-17=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 92*17=1564, Resulting Numbers: [1564] 1564,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[72, 3], Operations: ['43+46=89', '92-89=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 79:[89, 164], Operations: ['43+46=89', '92+72=164'] Exploring Operation: 89+164=253, Resulting Numbers: [253] 253,79 unequal: No Solution Exploring Operation: 164-89=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 89*164=14596, Resulting Numbers: [14596] 14596,79 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: 79:[72, 46, 49], Operations: ['92-43=49'] Exploring Operation: 46+49=95, Resulting Numbers: [72, 95] Generated Node #0,3,0: 79:[72, 95] Operation: 46+49=95 Exploring Operation: 72+49=121, Resulting Numbers: [46, 121] Generated Node #0,3,1: 79:[46, 121] Operation: 72+49=121 Exploring Operation: 72-46=26, Resulting Numbers: [49, 26] Generated Node #0,3,2: 79:[49, 26] Operation: 72-46=26 Exploring Operation: 72+46=118, Resulting Numbers: [49, 118] Generated Node #0,3,3: 79:[49, 118] Operation: 72+46=118 Moving to Node #0,1 Current State: 79:[43, 72, 46], Operations: ['92-46=46'] Exploring Operation: 72+46=118, Resulting Numbers: [43, 118] Generated Node #0,1,0: 79:[43, 118] Operation: 72+46=118 Exploring Operation: 43+46=89, Resulting Numbers: [72, 89] Generated Node #0,1,1: 79:[72, 89] Operation: 43+46=89 Exploring Operation: 72-43=29, Resulting Numbers: [46, 29] Generated Node #0,1,2: 79:[46, 29] Operation: 72-43=29 Exploring Operation: 43+72=115, Resulting Numbers: [46, 115] Generated Node #0,1,3: 79:[46, 115] Operation: 43+72=115 Moving to Node #0,0 Current State: 79:[92, 46, 115], Operations: ['43+72=115'] Exploring Operation: 115-46=69, Resulting Numbers: [92, 69] Generated Node #0,0,0: 79:[92, 69] Operation: 115-46=69 Exploring Operation: 92-46=46, Resulting Numbers: [115, 46] Generated Node #0,0,1: 79:[115, 46] Operation: 92-46=46 Exploring Operation: 115-92=23, Resulting Numbers: [46, 23] Generated Node #0,0,2: 79:[46, 23] Operation: 115-92=23 Exploring Operation: 92+46=138, Resulting Numbers: [115, 138] Generated Node #0,0,3: 79:[115, 138] Operation: 92+46=138 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[92, 69], Operations: ['43+72=115', '115-46=69'] Exploring Operation: 92*69=6348, Resulting Numbers: [6348] 6348,79 unequal: No Solution Exploring Operation: 92+69=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 92-69=23, Resulting Numbers: [23] 23,79 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 #0,0,1 Current State: 79:[115, 46], Operations: ['43+72=115', '92-46=46'] Exploring Operation: 115-46=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 115*46=5290, Resulting Numbers: [5290] 5290,79 unequal: No Solution Exploring Operation: 115+46=161, Resulting Numbers: [161] 161,79 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 #0,0,2 Current State: 79:[46, 23], Operations: ['43+72=115', '115-92=23'] Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 46*23=1058, Resulting Numbers: [1058] 1058,79 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,79 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 #0,0,3 Current State: 79:[115, 138], Operations: ['43+72=115', '92+46=138'] Exploring Operation: 115*138=15870, Resulting Numbers: [15870] 15870,79 unequal: No Solution Exploring Operation: 138-115=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 115+138=253, Resulting Numbers: [253] 253,79 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: 79:[72, 89], Operations: ['92-46=46', '43+46=89'] Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,79 unequal: No Solution Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[72, 95], Operations: ['92-43=49', '46+49=95'] Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 72*95=6840, Resulting Numbers: [6840] 6840,79 unequal: No Solution Exploring Operation: 72+95=167, Resulting Numbers: [167] 167,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[46, 115], Operations: ['92-46=46', '43+72=115'] Exploring Operation: 115-46=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 46+115=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 46*115=5290, Resulting Numbers: [5290] 5290,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[49, 118], Operations: ['92-43=49', '72+46=118'] Exploring Operation: 118-49=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 49*118=5782, Resulting Numbers: [5782] 5782,79 unequal: No Solution Exploring Operation: 49+118=167, Resulting Numbers: [167] 167,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[46, 121], Operations: ['92-43=49', '72+49=121'] Exploring Operation: 46*121=5566, Resulting Numbers: [5566] 5566,79 unequal: No Solution Exploring Operation: 46+121=167, Resulting Numbers: [167] 167,79 unequal: No Solution Exploring Operation: 121-46=75, Resulting Numbers: [75] 75,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[43, 118], Operations: ['92-46=46', '72+46=118'] Exploring Operation: 118-43=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 43+118=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 43*118=5074, Resulting Numbers: [5074] 5074,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[49, 26], Operations: ['92-43=49', '72-46=26'] Exploring Operation: 49*26=1274, Resulting Numbers: [1274] 1274,79 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,79 unequal: No Solution Exploring Operation: 49+26=75, Resulting Numbers: [75] 75,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[46, 29], Operations: ['92-46=46', '72-43=29'] Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,79 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 8, 38, 15, 7 ]
22
[ "38-8=30", "15-7=8", "30-8=22" ]
Current State: 22:[8, 38, 15, 7], Operations: [] Exploring Operation: 38-8=30, Resulting Numbers: [15, 7, 30] Generated Node #2: [15, 7, 30] from Operation: 38-8=30 Current State: 22:[15, 7, 30], Operations: ['38-8=30'] Exploring Operation: 15-7=8, Resulting Numbers: [30, 8] Generated Node #3: [30, 8] from Operation: 15-7=8 Current State: 22:[30, 8], Operations: ['38-8=30', '15-7=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[8, 38, 15, 7], Operations: [] Exploring Operation: 38-8=30, Resulting Numbers: [15, 7, 30] Generated Node #0,0: 22:[15, 7, 30] Operation: 38-8=30 Exploring Operation: 38-15=23, Resulting Numbers: [8, 7, 23] Generated Node #0,1: 22:[8, 7, 23] Operation: 38-15=23 Exploring Operation: 38-7=31, Resulting Numbers: [8, 15, 31] Generated Node #0,2: 22:[8, 15, 31] Operation: 38-7=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[8, 7, 23], Operations: ['38-15=23'] Exploring Operation: 23-8=15, Resulting Numbers: [7, 15] Generated Node #0,1,0: 22:[7, 15] Operation: 23-8=15 Exploring Operation: 8+7=15, Resulting Numbers: [23, 15] Generated Node #0,1,1: 22:[23, 15] Operation: 8+7=15 Exploring Operation: 8-7=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 22:[23, 1] Operation: 8-7=1 Moving to Node #0,1,2 Current State: 22:[23, 1], Operations: ['38-15=23', '8-7=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:[8, 38, 15, 7], Operations: [] Exploring Operation: 38-15=23, Resulting Numbers: [8, 7, 23] Generated Node #0,1: 22:[8, 7, 23] Operation: 38-15=23 Moving to Node #0,1 Current State: 22:[8, 7, 23], Operations: ['38-15=23'] Exploring Operation: 8-7=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 22:[23, 1] Operation: 8-7=1 Moving to Node #0,1,2 Current State: 22:[23, 1], Operations: ['38-15=23', '8-7=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 67, 45, 2, 41 ]
60
[ "67-45=22", "2*41=82", "82-22=60" ]
Current State: 60:[67, 45, 2, 41], Operations: [] Exploring Operation: 67-45=22, Resulting Numbers: [2, 41, 22] Generated Node #2: [2, 41, 22] from Operation: 67-45=22 Current State: 60:[2, 41, 22], Operations: ['67-45=22'] Exploring Operation: 2*41=82, Resulting Numbers: [22, 82] Generated Node #3: [22, 82] from Operation: 2*41=82 Current State: 60:[22, 82], Operations: ['67-45=22', '2*41=82'] Exploring Operation: 82-22=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[67, 45, 2, 41], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [67, 2, 4] Generated Node #0,0: 60:[67, 2, 4] Operation: 45-41=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[67, 2, 4], Operations: ['45-41=4'] Exploring Operation: 67-4=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 60:[2, 63] Operation: 67-4=63 Moving to Node #0,0,0 Current State: 60:[2, 63], Operations: ['45-41=4', '67-4=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 37, 8, 48, 43 ]
58
[ "37+43=80", "80/8=10", "48+10=58" ]
Current State: 58:[37, 8, 48, 43], Operations: [] Exploring Operation: 37+43=80, Resulting Numbers: [8, 48, 80] Generated Node #2: [8, 48, 80] from Operation: 37+43=80 Current State: 58:[8, 48, 80], Operations: ['37+43=80'] Exploring Operation: 80/8=10, Resulting Numbers: [48, 10] Generated Node #3: [48, 10] from Operation: 80/8=10 Current State: 58:[48, 10], Operations: ['37+43=80', '80/8=10'] Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[37, 8, 48, 43], Operations: [] Exploring Operation: 43-37=6, Resulting Numbers: [8, 48, 6] Generated Node #0,0: 58:[8, 48, 6] Operation: 43-37=6 Exploring Operation: 48-43=5, Resulting Numbers: [37, 8, 5] Generated Node #0,1: 58:[37, 8, 5] Operation: 48-43=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[37, 8, 5], Operations: ['48-43=5'] Exploring Operation: 37-8=29, Resulting Numbers: [5, 29] Generated Node #0,1,0: 58:[5, 29] Operation: 37-8=29 Exploring Operation: 37-5=32, Resulting Numbers: [8, 32] Generated Node #0,1,1: 58:[8, 32] Operation: 37-5=32 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[5, 29], Operations: ['48-43=5', '37-8=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,58 unequal: No Solution No 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: 58:[8, 32], Operations: ['48-43=5', '37-5=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,58 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: 58:[8, 48, 6], Operations: ['43-37=6'] Exploring Operation: 48/8=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 58:[6, 6] Operation: 48/8=6 Exploring Operation: 8+48=56, Resulting Numbers: [6, 56] Generated Node #0,0,1: 58:[6, 56] Operation: 8+48=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[6, 56], Operations: ['43-37=6', '8+48=56'] Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,58 unequal: No Solution No 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: 58:[6, 6], Operations: ['43-37=6', '48/8=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,58 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
[ 26, 36, 3, 57 ]
50
[ "36-26=10", "3+57=60", "60-10=50" ]
Current State: 50:[26, 36, 3, 57], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [3, 57, 10] Generated Node #2: [3, 57, 10] from Operation: 36-26=10 Current State: 50:[3, 57, 10], Operations: ['36-26=10'] Exploring Operation: 3+57=60, Resulting Numbers: [10, 60] Generated Node #3: [10, 60] from Operation: 3+57=60 Current State: 50:[10, 60], Operations: ['36-26=10', '3+57=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[26, 36, 3, 57], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [26, 57, 12] Generated Node #0,0: 50:[26, 57, 12] Operation: 36/3=12 Exploring Operation: 36-26=10, Resulting Numbers: [3, 57, 10] Generated Node #0,1: 50:[3, 57, 10] Operation: 36-26=10 Exploring Operation: 36-3=33, Resulting Numbers: [26, 57, 33] Generated Node #0,2: 50:[26, 57, 33] Operation: 36-3=33 Exploring Operation: 57-36=21, Resulting Numbers: [26, 3, 21] Generated Node #0,3: 50:[26, 3, 21] Operation: 57-36=21 Moving to Node #0,3 Current State: 50:[26, 3, 21], Operations: ['57-36=21'] Exploring Operation: 21/3=7, Resulting Numbers: [26, 7] Generated Node #0,3,0: 50:[26, 7] Operation: 21/3=7 Exploring Operation: 3+21=24, Resulting Numbers: [26, 24] Generated Node #0,3,1: 50:[26, 24] Operation: 3+21=24 Exploring Operation: 26+21=47, Resulting Numbers: [3, 47] Generated Node #0,3,2: 50:[3, 47] Operation: 26+21=47 Exploring Operation: 26-21=5, Resulting Numbers: [3, 5] Generated Node #0,3,3: 50:[3, 5] Operation: 26-21=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[3, 5], Operations: ['57-36=21', '26-21=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,50 unequal: No Solution No 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: 50:[26, 24], Operations: ['57-36=21', '3+21=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[26, 36, 3, 57], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [26, 3, 21] Generated Node #0,3: 50:[26, 3, 21] Operation: 57-36=21 Moving to Node #0,3 Current State: 50:[26, 3, 21], Operations: ['57-36=21'] Exploring Operation: 3+21=24, Resulting Numbers: [26, 24] Generated Node #0,3,1: 50:[26, 24] Operation: 3+21=24 Moving to Node #0,3,1 Current State: 50:[26, 24], Operations: ['57-36=21', '3+21=24'] Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 56, 40, 67, 33 ]
29
[ "56*40=2240", "67*33=2211", "2240-2211=29" ]
Current State: 29:[56, 40, 67, 33], Operations: [] Exploring Operation: 56*40=2240, Resulting Numbers: [67, 33, 2240] Generated Node #2: [67, 33, 2240] from Operation: 56*40=2240 Current State: 29:[67, 33, 2240], Operations: ['56*40=2240'] Exploring Operation: 67*33=2211, Resulting Numbers: [2240, 2211] Generated Node #3: [2240, 2211] from Operation: 67*33=2211 Current State: 29:[2240, 2211], Operations: ['56*40=2240', '67*33=2211'] Exploring Operation: 2240-2211=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[56, 40, 67, 33], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [67, 33, 16] Generated Node #0,0: 29:[67, 33, 16] Operation: 56-40=16 Exploring Operation: 67-56=11, Resulting Numbers: [40, 33, 11] Generated Node #0,1: 29:[40, 33, 11] Operation: 67-56=11 Exploring Operation: 67-40=27, Resulting Numbers: [56, 33, 27] Generated Node #0,2: 29:[56, 33, 27] Operation: 67-40=27 Exploring Operation: 67-33=34, Resulting Numbers: [56, 40, 34] Generated Node #0,3: 29:[56, 40, 34] Operation: 67-33=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[40, 33, 11], Operations: ['67-56=11'] Exploring Operation: 40+11=51, Resulting Numbers: [33, 51] Generated Node #0,1,0: 29:[33, 51] Operation: 40+11=51 Exploring Operation: 40-11=29, Resulting Numbers: [33, 29] Generated Node #0,1,1: 29:[33, 29] Operation: 40-11=29 Exploring Operation: 33-11=22, Resulting Numbers: [40, 22] Generated Node #0,1,2: 29:[40, 22] Operation: 33-11=22 Exploring Operation: 33+11=44, Resulting Numbers: [40, 44] Generated Node #0,1,3: 29:[40, 44] Operation: 33+11=44 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[33, 29], Operations: ['67-56=11', '40-11=29'] Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,29 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[40, 22], Operations: ['67-56=11', '33-11=22'] Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,29 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,29 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[33, 51], Operations: ['67-56=11', '40+11=51'] Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,29 unequal: No Solution Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 33*51=1683, Resulting Numbers: [1683] 1683,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[40, 44], Operations: ['67-56=11', '33+11=44'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,29 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[56, 33, 27], Operations: ['67-40=27'] Exploring Operation: 56-27=29, Resulting Numbers: [33, 29] Generated Node #0,2,0: 29:[33, 29] Operation: 56-27=29 Exploring Operation: 33-27=6, Resulting Numbers: [56, 6] Generated Node #0,2,1: 29:[56, 6] Operation: 33-27=6 Exploring Operation: 56-33=23, Resulting Numbers: [27, 23] Generated Node #0,2,2: 29:[27, 23] Operation: 56-33=23 Exploring Operation: 56+27=83, Resulting Numbers: [33, 83] Generated Node #0,2,3: 29:[33, 83] Operation: 56+27=83 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[33, 29], Operations: ['67-40=27', '56-27=29'] Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,29 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[27, 23], Operations: ['67-40=27', '56-33=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[56, 6], Operations: ['67-40=27', '33-27=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,29 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 29:[33, 83], Operations: ['67-40=27', '56+27=83'] Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,29 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[56, 40, 34], Operations: ['67-33=34'] Exploring Operation: 56+40=96, Resulting Numbers: [34, 96] Generated Node #0,3,0: 29:[34, 96] Operation: 56+40=96 Exploring Operation: 40-34=6, Resulting Numbers: [56, 6] Generated Node #0,3,1: 29:[56, 6] Operation: 40-34=6 Exploring Operation: 56-34=22, Resulting Numbers: [40, 22] Generated Node #0,3,2: 29:[40, 22] Operation: 56-34=22 Exploring Operation: 56-40=16, Resulting Numbers: [34, 16] Generated Node #0,3,3: 29:[34, 16] Operation: 56-40=16 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[40, 22], Operations: ['67-33=34', '56-34=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,29 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[34, 16], Operations: ['67-33=34', '56-40=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,29 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 29:[56, 6], Operations: ['67-33=34', '40-34=6'] Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,29 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[34, 96], Operations: ['67-33=34', '56+40=96'] Exploring Operation: 34*96=3264, Resulting Numbers: [3264] 3264,29 unequal: No Solution Exploring Operation: 34+96=130, Resulting Numbers: [130] 130,29 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[67, 33, 16], Operations: ['56-40=16'] Exploring Operation: 67-16=51, Resulting Numbers: [33, 51] Generated Node #0,0,0: 29:[33, 51] Operation: 67-16=51 Exploring Operation: 67-33=34, Resulting Numbers: [16, 34] Generated Node #0,0,1: 29:[16, 34] Operation: 67-33=34 Exploring Operation: 67+16=83, Resulting Numbers: [33, 83] Generated Node #0,0,2: 29:[33, 83] Operation: 67+16=83 Exploring Operation: 33-16=17, Resulting Numbers: [67, 17] Generated Node #0,0,3: 29:[67, 17] Operation: 33-16=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[16, 34], Operations: ['56-40=16', '67-33=34'] Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[33, 51], Operations: ['56-40=16', '67-16=51'] Exploring Operation: 33*51=1683, Resulting Numbers: [1683] 1683,29 unequal: No Solution Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,29 unequal: No Solution Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[67, 17], Operations: ['56-40=16', '33-16=17'] Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,29 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[33, 83], Operations: ['56-40=16', '67+16=83'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,29 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 29, 37, 64, 92 ]
100
[ "37-29=8", "64/8=8", "92+8=100" ]
Current State: 100:[29, 37, 64, 92], Operations: [] Exploring Operation: 37-29=8, Resulting Numbers: [64, 92, 8] Generated Node #2: [64, 92, 8] from Operation: 37-29=8 Current State: 100:[64, 92, 8], Operations: ['37-29=8'] Exploring Operation: 64/8=8, Resulting Numbers: [92, 8] Generated Node #3: [92, 8] from Operation: 64/8=8 Current State: 100:[92, 8], Operations: ['37-29=8', '64/8=8'] Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[29, 37, 64, 92], Operations: [] Exploring Operation: 64-37=27, Resulting Numbers: [29, 92, 27] Generated Node #0,0: 100:[29, 92, 27] Operation: 64-37=27 Exploring Operation: 37+64=101, Resulting Numbers: [29, 92, 101] Generated Node #0,1: 100:[29, 92, 101] Operation: 37+64=101 Exploring Operation: 92-64=28, Resulting Numbers: [29, 37, 28] Generated Node #0,2: 100:[29, 37, 28] Operation: 92-64=28 Moving to Node #0,1 Current State: 100:[29, 92, 101], Operations: ['37+64=101'] Exploring Operation: 29+92=121, Resulting Numbers: [101, 121] Generated Node #0,1,0: 100:[101, 121] Operation: 29+92=121 Exploring Operation: 92-29=63, Resulting Numbers: [101, 63] Generated Node #0,1,1: 100:[101, 63] Operation: 92-29=63 Exploring Operation: 101-92=9, Resulting Numbers: [29, 9] Generated Node #0,1,2: 100:[29, 9] Operation: 101-92=9 Moving to Node #0,0 Current State: 100:[29, 92, 27], Operations: ['64-37=27'] Exploring Operation: 92-29=63, Resulting Numbers: [27, 63] Generated Node #0,0,0: 100:[27, 63] Operation: 92-29=63 Exploring Operation: 29-27=2, Resulting Numbers: [92, 2] Generated Node #0,0,1: 100:[92, 2] Operation: 29-27=2 Exploring Operation: 29+27=56, Resulting Numbers: [92, 56] Generated Node #0,0,2: 100:[92, 56] Operation: 29+27=56 Moving to Node #0,2 Current State: 100:[29, 37, 28], Operations: ['92-64=28'] Exploring Operation: 37-28=9, Resulting Numbers: [29, 9] Generated Node #0,2,0: 100:[29, 9] Operation: 37-28=9 Exploring Operation: 29-28=1, Resulting Numbers: [37, 1] Generated Node #0,2,1: 100:[37, 1] Operation: 29-28=1 Exploring Operation: 37-29=8, Resulting Numbers: [28, 8] Generated Node #0,2,2: 100:[28, 8] Operation: 37-29=8 Moving to Node #0,1,2 Current State: 100:[29, 9], Operations: ['37+64=101', '101-92=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[29, 9], Operations: ['92-64=28', '37-28=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,100 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[28, 8], Operations: ['92-64=28', '37-29=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,100 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[92, 2], Operations: ['64-37=27', '29-27=2'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,100 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[37, 1], Operations: ['92-64=28', '29-28=1'] Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[92, 56], Operations: ['64-37=27', '29+27=56'] Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,100 unequal: No Solution Exploring Operation: 92+56=148, Resulting Numbers: [148] 148,100 unequal: No Solution Exploring Operation: 92*56=5152, Resulting Numbers: [5152] 5152,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[101, 63], Operations: ['37+64=101', '92-29=63'] Exploring Operation: 101+63=164, Resulting Numbers: [164] 164,100 unequal: No Solution Exploring Operation: 101*63=6363, Resulting Numbers: [6363] 6363,100 unequal: No Solution Exploring Operation: 101-63=38, Resulting Numbers: [38] 38,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[27, 63], Operations: ['64-37=27', '92-29=63'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,100 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,100 unequal: No Solution Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[101, 121], Operations: ['37+64=101', '29+92=121'] Exploring Operation: 121-101=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 101*121=12221, Resulting Numbers: [12221] 12221,100 unequal: No Solution Exploring Operation: 101+121=222, Resulting Numbers: [222] 222,100 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 91, 82, 31, 43 ]
21
[ "91-82=9", "43-31=12", "9+12=21" ]
Current State: 21:[91, 82, 31, 43], Operations: [] Exploring Operation: 91-82=9, Resulting Numbers: [31, 43, 9] Generated Node #2: [31, 43, 9] from Operation: 91-82=9 Current State: 21:[31, 43, 9], Operations: ['91-82=9'] Exploring Operation: 43-31=12, Resulting Numbers: [9, 12] Generated Node #3: [9, 12] from Operation: 43-31=12 Current State: 21:[9, 12], Operations: ['91-82=9', '43-31=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[91, 82, 31, 43], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [82, 43, 60] Generated Node #0,0: 21:[82, 43, 60] Operation: 91-31=60 Exploring Operation: 82-31=51, Resulting Numbers: [91, 43, 51] Generated Node #0,1: 21:[91, 43, 51] Operation: 82-31=51 Exploring Operation: 91-43=48, Resulting Numbers: [82, 31, 48] Generated Node #0,2: 21:[82, 31, 48] Operation: 91-43=48 Exploring Operation: 91-82=9, Resulting Numbers: [31, 43, 9] Generated Node #0,3: 21:[31, 43, 9] Operation: 91-82=9 Exploring Operation: 82-43=39, Resulting Numbers: [91, 31, 39] Generated Node #0,4: 21:[91, 31, 39] Operation: 82-43=39 Moving to Node #0,3 Current State: 21:[31, 43, 9], Operations: ['91-82=9'] Exploring Operation: 43-31=12, Resulting Numbers: [9, 12] Generated Node #0,3,0: 21:[9, 12] Operation: 43-31=12 Exploring Operation: 43+9=52, Resulting Numbers: [31, 52] Generated Node #0,3,1: 21:[31, 52] Operation: 43+9=52 Exploring Operation: 31-9=22, Resulting Numbers: [43, 22] Generated Node #0,3,2: 21:[43, 22] Operation: 31-9=22 Exploring Operation: 43-9=34, Resulting Numbers: [31, 34] Generated Node #0,3,3: 21:[31, 34] Operation: 43-9=34 Exploring Operation: 31+9=40, Resulting Numbers: [43, 40] Generated Node #0,3,4: 21:[43, 40] Operation: 31+9=40 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[9, 12], Operations: ['91-82=9', '43-31=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[91, 82, 31, 43], Operations: [] Exploring Operation: 91-82=9, Resulting Numbers: [31, 43, 9] Generated Node #0,3: 21:[31, 43, 9] Operation: 91-82=9 Moving to Node #0,3 Current State: 21:[31, 43, 9], Operations: ['91-82=9'] Exploring Operation: 43-31=12, Resulting Numbers: [9, 12] Generated Node #0,3,0: 21:[9, 12] Operation: 43-31=12 Moving to Node #0,3,0 Current State: 21:[9, 12], Operations: ['91-82=9', '43-31=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 18, 78, 27, 63 ]
75
[ "18+63=81", "81/27=3", "78-3=75" ]
Current State: 75:[18, 78, 27, 63], Operations: [] Exploring Operation: 18+63=81, Resulting Numbers: [78, 27, 81] Generated Node #2: [78, 27, 81] from Operation: 18+63=81 Current State: 75:[78, 27, 81], Operations: ['18+63=81'] Exploring Operation: 81/27=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 81/27=3 Current State: 75:[78, 3], Operations: ['18+63=81', '81/27=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[18, 78, 27, 63], Operations: [] Exploring Operation: 78-63=15, Resulting Numbers: [18, 27, 15] Generated Node #0,0: 75:[18, 27, 15] Operation: 78-63=15 Exploring Operation: 18+63=81, Resulting Numbers: [78, 27, 81] Generated Node #0,1: 75:[78, 27, 81] Operation: 18+63=81 Exploring Operation: 63-27=36, Resulting Numbers: [18, 78, 36] Generated Node #0,2: 75:[18, 78, 36] Operation: 63-27=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[18, 27, 15], Operations: ['78-63=15'] Exploring Operation: 27-18=9, Resulting Numbers: [15, 9] Generated Node #0,0,0: 75:[15, 9] Operation: 27-18=9 Exploring Operation: 27-15=12, Resulting Numbers: [18, 12] Generated Node #0,0,1: 75:[18, 12] Operation: 27-15=12 Exploring Operation: 18-15=3, Resulting Numbers: [27, 3] Generated Node #0,0,2: 75:[27, 3] Operation: 18-15=3 Moving to Node #0,0,2 Current State: 75:[27, 3], Operations: ['78-63=15', '18-15=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,75 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[15, 9], Operations: ['78-63=15', '27-18=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[18, 12], Operations: ['78-63=15', '27-15=12'] Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,75 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,75 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[78, 27, 81], Operations: ['18+63=81'] Exploring Operation: 81-27=54, Resulting Numbers: [78, 54] Generated Node #0,1,0: 75:[78, 54] Operation: 81-27=54 Exploring Operation: 81-78=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 75:[27, 3] Operation: 81-78=3 Exploring Operation: 81/27=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 75:[78, 3] Operation: 81/27=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[27, 3], Operations: ['18+63=81', '81-78=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,75 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[78, 3], Operations: ['18+63=81', '81/27=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,75 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[18, 78, 27, 63], Operations: [] Exploring Operation: 18+63=81, Resulting Numbers: [78, 27, 81] Generated Node #0,1: 75:[78, 27, 81] Operation: 18+63=81 Moving to Node #0,1 Current State: 75:[78, 27, 81], Operations: ['18+63=81'] Exploring Operation: 81/27=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 75:[78, 3] Operation: 81/27=3 Moving to Node #0,1,2 Current State: 75:[78, 3], Operations: ['18+63=81', '81/27=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 94, 60, 98, 4 ]
44
[ "98-94=4", "4*4=16", "60-16=44" ]
Current State: 44:[94, 60, 98, 4], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [60, 4, 4] Generated Node #2: [60, 4, 4] from Operation: 98-94=4 Current State: 44:[60, 4, 4], Operations: ['98-94=4'] Exploring Operation: 4*4=16, Resulting Numbers: [60, 16] Generated Node #3: [60, 16] from Operation: 4*4=16 Current State: 44:[60, 16], Operations: ['98-94=4', '4*4=16'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[94, 60, 98, 4], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [98, 4, 34] Generated Node #0,0: 44:[98, 4, 34] Operation: 94-60=34 Exploring Operation: 98-94=4, Resulting Numbers: [60, 4, 4] Generated Node #0,1: 44:[60, 4, 4] Operation: 98-94=4 Exploring Operation: 98-60=38, Resulting Numbers: [94, 4, 38] Generated Node #0,2: 44:[94, 4, 38] Operation: 98-60=38 Moving to Node #0,1 Current State: 44:[60, 4, 4], Operations: ['98-94=4'] Exploring Operation: 60-4=56, Resulting Numbers: [4, 56] Generated Node #0,1,0: 44:[4, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,1,1: 44:[4, 15] Operation: 60/4=15 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,1,2: 44:[4, 15] Operation: 60/4=15 Moving to Node #0,2 Current State: 44:[94, 4, 38], Operations: ['98-60=38'] Exploring Operation: 4+38=42, Resulting Numbers: [94, 42] Generated Node #0,2,0: 44:[94, 42] Operation: 4+38=42 Exploring Operation: 94-38=56, Resulting Numbers: [4, 56] Generated Node #0,2,1: 44:[4, 56] Operation: 94-38=56 Exploring Operation: 94-4=90, Resulting Numbers: [38, 90] Generated Node #0,2,2: 44:[38, 90] Operation: 94-4=90 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[4, 56], Operations: ['98-60=38', '94-38=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[94, 42], Operations: ['98-60=38', '4+38=42'] Exploring Operation: 94*42=3948, Resulting Numbers: [3948] 3948,44 unequal: No Solution Exploring Operation: 94-42=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 94+42=136, Resulting Numbers: [136] 136,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 44:[38, 90], Operations: ['98-60=38', '94-4=90'] Exploring Operation: 38*90=3420, Resulting Numbers: [3420] 3420,44 unequal: No Solution Exploring Operation: 38+90=128, Resulting Numbers: [128] 128,44 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 44:[98, 4, 34], Operations: ['94-60=34'] Exploring Operation: 4+34=38, Resulting Numbers: [98, 38] Generated Node #0,0,0: 44:[98, 38] Operation: 4+34=38 Exploring Operation: 98-34=64, Resulting Numbers: [4, 64] Generated Node #0,0,1: 44:[4, 64] Operation: 98-34=64 Exploring Operation: 98-4=94, Resulting Numbers: [34, 94] Generated Node #0,0,2: 44:[34, 94] Operation: 98-4=94 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[4, 64], Operations: ['94-60=34', '98-34=64'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[98, 38], Operations: ['94-60=34', '4+34=38'] Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,44 unequal: No Solution Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[34, 94], Operations: ['94-60=34', '98-4=94'] Exploring Operation: 34+94=128, Resulting Numbers: [128] 128,44 unequal: No Solution Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 34*94=3196, Resulting Numbers: [3196] 3196,44 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: 44:[4, 15], Operations: ['98-94=4', '60/4=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[4, 15], Operations: ['98-94=4', '60/4=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[4, 56], Operations: ['98-94=4', '60-4=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,44 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 94, 63, 81, 32 ]
80
[ "94-63=31", "81-32=49", "31+49=80" ]
Current State: 80:[94, 63, 81, 32], Operations: [] Exploring Operation: 94-63=31, Resulting Numbers: [81, 32, 31] Generated Node #2: [81, 32, 31] from Operation: 94-63=31 Current State: 80:[81, 32, 31], Operations: ['94-63=31'] Exploring Operation: 81-32=49, Resulting Numbers: [31, 49] Generated Node #3: [31, 49] from Operation: 81-32=49 Current State: 80:[31, 49], Operations: ['94-63=31', '81-32=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[94, 63, 81, 32], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [94, 32, 18] Generated Node #0,0: 80:[94, 32, 18] Operation: 81-63=18 Exploring Operation: 94-63=31, Resulting Numbers: [81, 32, 31] Generated Node #0,1: 80:[81, 32, 31] Operation: 94-63=31 Exploring Operation: 63-32=31, Resulting Numbers: [94, 81, 31] Generated Node #0,2: 80:[94, 81, 31] Operation: 63-32=31 Exploring Operation: 94-81=13, Resulting Numbers: [63, 32, 13] Generated Node #0,3: 80:[63, 32, 13] Operation: 94-81=13 Moving to Node #0,1 Current State: 80:[81, 32, 31], Operations: ['94-63=31'] Exploring Operation: 32+31=63, Resulting Numbers: [81, 63] Generated Node #0,1,0: 80:[81, 63] Operation: 32+31=63 Exploring Operation: 81-31=50, Resulting Numbers: [32, 50] Generated Node #0,1,1: 80:[32, 50] Operation: 81-31=50 Exploring Operation: 81-32=49, Resulting Numbers: [31, 49] Generated Node #0,1,2: 80:[31, 49] Operation: 81-32=49 Exploring Operation: 32-31=1, Resulting Numbers: [81, 1] Generated Node #0,1,3: 80:[81, 1] Operation: 32-31=1 Moving to Node #0,2 Current State: 80:[94, 81, 31], Operations: ['63-32=31'] Exploring Operation: 94-81=13, Resulting Numbers: [31, 13] Generated Node #0,2,0: 80:[31, 13] Operation: 94-81=13 Exploring Operation: 81-31=50, Resulting Numbers: [94, 50] Generated Node #0,2,1: 80:[94, 50] Operation: 81-31=50 Exploring Operation: 94+31=125, Resulting Numbers: [81, 125] Generated Node #0,2,2: 80:[81, 125] Operation: 94+31=125 Exploring Operation: 94-31=63, Resulting Numbers: [81, 63] Generated Node #0,2,3: 80:[81, 63] Operation: 94-31=63 Moving to Node #0,0 Current State: 80:[94, 32, 18], Operations: ['81-63=18'] Exploring Operation: 32+18=50, Resulting Numbers: [94, 50] Generated Node #0,0,0: 80:[94, 50] Operation: 32+18=50 Exploring Operation: 32-18=14, Resulting Numbers: [94, 14] Generated Node #0,0,1: 80:[94, 14] Operation: 32-18=14 Exploring Operation: 94-18=76, Resulting Numbers: [32, 76] Generated Node #0,0,2: 80:[32, 76] Operation: 94-18=76 Exploring Operation: 94-32=62, Resulting Numbers: [18, 62] Generated Node #0,0,3: 80:[18, 62] Operation: 94-32=62 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[32, 76], Operations: ['81-63=18', '94-18=76'] Exploring Operation: 32*76=2432, Resulting Numbers: [2432] 2432,80 unequal: No Solution Exploring Operation: 32+76=108, Resulting Numbers: [108] 108,80 unequal: No Solution Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[94, 14], Operations: ['81-63=18', '32-18=14'] Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,80 unequal: No Solution Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,80 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[94, 63, 81, 32], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [94, 32, 18] Generated Node #0,0: 80:[94, 32, 18] Operation: 81-63=18 Moving to Node #0,0 Current State: 80:[94, 32, 18], Operations: ['81-63=18'] Exploring Operation: 32-18=14, Resulting Numbers: [94, 14] Generated Node #0,0,1: 80:[94, 14] Operation: 32-18=14 Moving to Node #0,0,1 Current State: 80:[94, 14], Operations: ['81-63=18', '32-18=14'] Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
sum_heuristic
[ 13, 64, 23, 2 ]
31
[ "13+64=77", "23*2=46", "77-46=31" ]
Current State: 31:[13, 64, 23, 2], Operations: [] Exploring Operation: 13+64=77, Resulting Numbers: [23, 2, 77] Generated Node #2: [23, 2, 77] from Operation: 13+64=77 Current State: 31:[23, 2, 77], Operations: ['13+64=77'] Exploring Operation: 23*2=46, Resulting Numbers: [77, 46] Generated Node #3: [77, 46] from Operation: 23*2=46 Current State: 31:[77, 46], Operations: ['13+64=77', '23*2=46'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[13, 64, 23, 2], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [64, 23, 26] Generated Node #0,0: 31:[64, 23, 26] Operation: 13*2=26 Exploring Operation: 64/2=32, Resulting Numbers: [13, 23, 32] Generated Node #0,1: 31:[13, 23, 32] Operation: 64/2=32 Moving to Node #0,1 Current State: 31:[13, 23, 32], Operations: ['64/2=32'] Exploring Operation: 13+23=36, Resulting Numbers: [32, 36] Generated Node #0,1,0: 31:[32, 36] Operation: 13+23=36 Exploring Operation: 32-13=19, Resulting Numbers: [23, 19] Generated Node #0,1,1: 31:[23, 19] Operation: 32-13=19 Moving to Node #0,0 Current State: 31:[64, 23, 26], Operations: ['13*2=26'] Exploring Operation: 64-26=38, Resulting Numbers: [23, 38] Generated Node #0,0,0: 31:[23, 38] Operation: 64-26=38 Exploring Operation: 64-23=41, Resulting Numbers: [26, 41] Generated Node #0,0,1: 31:[26, 41] Operation: 64-23=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[23, 38], Operations: ['13*2=26', '64-26=38'] Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 23+38=61, Resulting Numbers: [61] 61,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[26, 41], Operations: ['13*2=26', '64-23=41'] Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,31 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: 31:[32, 36], Operations: ['64/2=32', '13+23=36'] Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[23, 19], Operations: ['64/2=32', '32-13=19'] Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,31 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,31 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 7, 80, 18, 44 ]
25
[ "7+80=87", "18+44=62", "87-62=25" ]
Current State: 25:[7, 80, 18, 44], Operations: [] Exploring Operation: 7+80=87, Resulting Numbers: [18, 44, 87] Generated Node #2: [18, 44, 87] from Operation: 7+80=87 Current State: 25:[18, 44, 87], Operations: ['7+80=87'] Exploring Operation: 18+44=62, Resulting Numbers: [87, 62] Generated Node #3: [87, 62] from Operation: 18+44=62 Current State: 25:[87, 62], Operations: ['7+80=87', '18+44=62'] Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[7, 80, 18, 44], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [7, 18, 36] Generated Node #0,0: 25:[7, 18, 36] Operation: 80-44=36 Exploring Operation: 44-18=26, Resulting Numbers: [7, 80, 26] Generated Node #0,1: 25:[7, 80, 26] Operation: 44-18=26 Exploring Operation: 80-18=62, Resulting Numbers: [7, 44, 62] Generated Node #0,2: 25:[7, 44, 62] Operation: 80-18=62 Exploring Operation: 80-7=73, Resulting Numbers: [18, 44, 73] Generated Node #0,3: 25:[18, 44, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[7, 18, 36], Operations: ['80-44=36'] Exploring Operation: 36/18=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 25:[7, 2] Operation: 36/18=2 Exploring Operation: 36-7=29, Resulting Numbers: [18, 29] Generated Node #0,0,1: 25:[18, 29] Operation: 36-7=29 Exploring Operation: 36-18=18, Resulting Numbers: [7, 18] Generated Node #0,0,2: 25:[7, 18] Operation: 36-18=18 Exploring Operation: 7+18=25, Resulting Numbers: [36, 25] Generated Node #0,0,3: 25:[36, 25] Operation: 7+18=25 Moving to Node #0,0,0 Current State: 25:[7, 2], Operations: ['80-44=36', '36/18=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[7, 18], Operations: ['80-44=36', '36-18=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[7, 80, 18, 44], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [7, 18, 36] Generated Node #0,0: 25:[7, 18, 36] Operation: 80-44=36 Moving to Node #0,0 Current State: 25:[7, 18, 36], Operations: ['80-44=36'] Exploring Operation: 36-18=18, Resulting Numbers: [7, 18] Generated Node #0,0,2: 25:[7, 18] Operation: 36-18=18 Moving to Node #0,0,2 Current State: 25:[7, 18], Operations: ['80-44=36', '36-18=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 49, 45, 82, 54 ]
91
[ "54-49=5", "45/5=9", "82+9=91" ]
Current State: 91:[49, 45, 82, 54], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [45, 82, 5] Generated Node #2: [45, 82, 5] from Operation: 54-49=5 Current State: 91:[45, 82, 5], Operations: ['54-49=5'] Exploring Operation: 45/5=9, Resulting Numbers: [82, 9] Generated Node #3: [82, 9] from Operation: 45/5=9 Current State: 91:[82, 9], Operations: ['54-49=5', '45/5=9'] Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[49, 45, 82, 54], Operations: [] Exploring Operation: 54-45=9, Resulting Numbers: [49, 82, 9] Generated Node #0,0: 91:[49, 82, 9] Operation: 54-45=9 Exploring Operation: 49-45=4, Resulting Numbers: [82, 54, 4] Generated Node #0,1: 91:[82, 54, 4] Operation: 49-45=4 Exploring Operation: 49+45=94, Resulting Numbers: [82, 54, 94] Generated Node #0,2: 91:[82, 54, 94] Operation: 49+45=94 Exploring Operation: 54-49=5, Resulting Numbers: [45, 82, 5] Generated Node #0,3: 91:[45, 82, 5] Operation: 54-49=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[45, 82, 5], Operations: ['54-49=5'] Exploring Operation: 45-5=40, Resulting Numbers: [82, 40] Generated Node #0,3,0: 91:[82, 40] Operation: 45-5=40 Exploring Operation: 82-45=37, Resulting Numbers: [5, 37] Generated Node #0,3,1: 91:[5, 37] Operation: 82-45=37 Exploring Operation: 45/5=9, Resulting Numbers: [82, 9] Generated Node #0,3,2: 91:[82, 9] Operation: 45/5=9 Exploring Operation: 82+5=87, Resulting Numbers: [45, 87] Generated Node #0,3,3: 91:[45, 87] Operation: 82+5=87 Moving to Node #0,3,2 Current State: 91:[82, 9], Operations: ['54-49=5', '45/5=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 82*9=738, Resulting Numbers: [738] 738,91 unequal: No Solution Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[49, 45, 82, 54], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [45, 82, 5] Generated Node #0,3: 91:[45, 82, 5] Operation: 54-49=5 Moving to Node #0,3 Current State: 91:[45, 82, 5], Operations: ['54-49=5'] Exploring Operation: 45/5=9, Resulting Numbers: [82, 9] Generated Node #0,3,2: 91:[82, 9] Operation: 45/5=9 Moving to Node #0,3,2 Current State: 91:[82, 9], Operations: ['54-49=5', '45/5=9'] Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 93, 10, 10, 60 ]
33
[ "93+10=103", "10+60=70", "103-70=33" ]
Current State: 33:[93, 10, 10, 60], Operations: [] Exploring Operation: 93+10=103, Resulting Numbers: [60, 103] Generated Node #2: [60, 103] from Operation: 93+10=103 Current State: 33:[60, 103], Operations: ['93+10=103'] Exploring Operation: 10+60=70, Resulting Numbers: [103, 70] Generated Node #3: [103, 70] from Operation: 10+60=70 Current State: 33:[103, 70], Operations: ['93+10=103', '10+60=70'] Exploring Operation: 103-70=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[93, 10, 10, 60], Operations: [] Exploring Operation: 93-10=83, Resulting Numbers: [10, 60, 83] Generated Node #0,0: 33:[10, 60, 83] Operation: 93-10=83 Exploring Operation: 60/10=6, Resulting Numbers: [93, 10, 6] Generated Node #0,1: 33:[93, 10, 6] Operation: 60/10=6 Exploring Operation: 93-10=83, Resulting Numbers: [10, 60, 83] Generated Node #0,2: 33:[10, 60, 83] Operation: 93-10=83 Exploring Operation: 93-60=33, Resulting Numbers: [10, 10, 33] Generated Node #0,3: 33:[10, 10, 33] Operation: 93-60=33 Exploring Operation: 60/10=6, Resulting Numbers: [93, 10, 6] Generated Node #0,4: 33:[93, 10, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[10, 10, 33], Operations: ['93-60=33'] Exploring Operation: 10-10=0, Resulting Numbers: [33, 0] Generated Node #0,3,0: 33:[33, 0] Operation: 10-10=0 Exploring Operation: 10/10=1, Resulting Numbers: [33, 1] Generated Node #0,3,1: 33:[33, 1] Operation: 10/10=1 Exploring Operation: 10+33=43, Resulting Numbers: [10, 43] Generated Node #0,3,2: 33:[10, 43] Operation: 10+33=43 Exploring Operation: 33-10=23, Resulting Numbers: [10, 23] Generated Node #0,3,3: 33:[10, 23] Operation: 33-10=23 Exploring Operation: 10+10=20, Resulting Numbers: [33, 20] Generated Node #0,3,4: 33:[33, 20] Operation: 10+10=20 Moving to Node #0,3,1 Current State: 33:[33, 1], Operations: ['93-60=33', '10/10=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[93, 10, 10, 60], Operations: [] Exploring Operation: 93-60=33, Resulting Numbers: [10, 10, 33] Generated Node #0,3: 33:[10, 10, 33] Operation: 93-60=33 Moving to Node #0,3 Current State: 33:[10, 10, 33], Operations: ['93-60=33'] Exploring Operation: 10/10=1, Resulting Numbers: [33, 1] Generated Node #0,3,1: 33:[33, 1] Operation: 10/10=1 Moving to Node #0,3,1 Current State: 33:[33, 1], Operations: ['93-60=33', '10/10=1'] Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 76, 15, 23, 7 ]
78
[ "23+7=30", "30/15=2", "76+2=78" ]
Current State: 78:[76, 15, 23, 7], Operations: [] Exploring Operation: 23+7=30, Resulting Numbers: [76, 15, 30] Generated Node #2: [76, 15, 30] from Operation: 23+7=30 Current State: 78:[76, 15, 30], Operations: ['23+7=30'] Exploring Operation: 30/15=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 30/15=2 Current State: 78:[76, 2], Operations: ['23+7=30', '30/15=2'] Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[76, 15, 23, 7], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [76, 7, 8] Generated Node #0,0: 78:[76, 7, 8] Operation: 23-15=8 Exploring Operation: 15+23=38, Resulting Numbers: [76, 7, 38] Generated Node #0,1: 78:[76, 7, 38] Operation: 15+23=38 Exploring Operation: 23-7=16, Resulting Numbers: [76, 15, 16] Generated Node #0,2: 78:[76, 15, 16] Operation: 23-7=16 Exploring Operation: 15-7=8, Resulting Numbers: [76, 23, 8] Generated Node #0,3: 78:[76, 23, 8] Operation: 15-7=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[76, 7, 38], Operations: ['15+23=38'] Exploring Operation: 76+7=83, Resulting Numbers: [38, 83] Generated Node #0,1,0: 78:[38, 83] Operation: 76+7=83 Exploring Operation: 76/38=2, Resulting Numbers: [7, 2] Generated Node #0,1,1: 78:[7, 2] Operation: 76/38=2 Exploring Operation: 76-38=38, Resulting Numbers: [7, 38] Generated Node #0,1,2: 78:[7, 38] Operation: 76-38=38 Exploring Operation: 38-7=31, Resulting Numbers: [76, 31] Generated Node #0,1,3: 78:[76, 31] Operation: 38-7=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[7, 2], Operations: ['15+23=38', '76/38=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 78:[7, 38], Operations: ['15+23=38', '76-38=38'] Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,78 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[38, 83], Operations: ['15+23=38', '76+7=83'] Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 38+83=121, Resulting Numbers: [121] 121,78 unequal: No Solution Exploring Operation: 38*83=3154, Resulting Numbers: [3154] 3154,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 78:[76, 31], Operations: ['15+23=38', '38-7=31'] Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 76*31=2356, Resulting Numbers: [2356] 2356,78 unequal: No Solution Exploring Operation: 76+31=107, Resulting Numbers: [107] 107,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[76, 7, 8], Operations: ['23-15=8'] Exploring Operation: 76+7=83, Resulting Numbers: [8, 83] Generated Node #0,0,0: 78:[8, 83] Operation: 76+7=83 Exploring Operation: 76+8=84, Resulting Numbers: [7, 84] Generated Node #0,0,1: 78:[7, 84] Operation: 76+8=84 Exploring Operation: 7+8=15, Resulting Numbers: [76, 15] Generated Node #0,0,2: 78:[76, 15] Operation: 7+8=15 Exploring Operation: 8-7=1, Resulting Numbers: [76, 1] Generated Node #0,0,3: 78:[76, 1] Operation: 8-7=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 78:[76, 1], Operations: ['23-15=8', '8-7=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 78:[76, 15], Operations: ['23-15=8', '7+8=15'] Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,78 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,78 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[8, 83], Operations: ['23-15=8', '76+7=83'] Exploring Operation: 8+83=91, Resulting Numbers: [91] 91,78 unequal: No Solution Exploring Operation: 8*83=664, Resulting Numbers: [664] 664,78 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[7, 84], Operations: ['23-15=8', '76+8=84'] Exploring Operation: 7*84=588, Resulting Numbers: [588] 588,78 unequal: No Solution Exploring Operation: 7+84=91, Resulting Numbers: [91] 91,78 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[76, 15, 16], Operations: ['23-7=16'] Exploring Operation: 76+15=91, Resulting Numbers: [16, 91] Generated Node #0,2,0: 78:[16, 91] Operation: 76+15=91 Exploring Operation: 15+16=31, Resulting Numbers: [76, 31] Generated Node #0,2,1: 78:[76, 31] Operation: 15+16=31 Exploring Operation: 16-15=1, Resulting Numbers: [76, 1] Generated Node #0,2,2: 78:[76, 1] Operation: 16-15=1 Exploring Operation: 76+16=92, Resulting Numbers: [15, 92] Generated Node #0,2,3: 78:[15, 92] Operation: 76+16=92 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 78:[76, 1], Operations: ['23-7=16', '16-15=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[76, 31], Operations: ['23-7=16', '15+16=31'] Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 76+31=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 76*31=2356, Resulting Numbers: [2356] 2356,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 78:[16, 91], Operations: ['23-7=16', '76+15=91'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 78:[15, 92], Operations: ['23-7=16', '76+16=92'] Exploring Operation: 15*92=1380, Resulting Numbers: [1380] 1380,78 unequal: No Solution Exploring Operation: 15+92=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[76, 23, 8], Operations: ['15-7=8'] Exploring Operation: 23-8=15, Resulting Numbers: [76, 15] Generated Node #0,3,0: 78:[76, 15] Operation: 23-8=15 Exploring Operation: 23+8=31, Resulting Numbers: [76, 31] Generated Node #0,3,1: 78:[76, 31] Operation: 23+8=31 Exploring Operation: 76-8=68, Resulting Numbers: [23, 68] Generated Node #0,3,2: 78:[23, 68] Operation: 76-8=68 Exploring Operation: 76+8=84, Resulting Numbers: [23, 84] Generated Node #0,3,3: 78:[23, 84] Operation: 76+8=84 Moving to Node #0,3,0 Current State: 78:[76, 15], Operations: ['15-7=8', '23-8=15'] Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,78 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,78 unequal: No Solution Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[76, 31], Operations: ['15-7=8', '23+8=31'] Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 76*31=2356, Resulting Numbers: [2356] 2356,78 unequal: No Solution Exploring Operation: 76+31=107, Resulting Numbers: [107] 107,78 unequal: No Solution Moving to Node #0,3,3 Current State: 78:[23, 84], Operations: ['15-7=8', '76+8=84'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,78 unequal: No Solution Exploring Operation: 23+84=107, Resulting Numbers: [107] 107,78 unequal: No Solution Exploring Operation: 23*84=1932, Resulting Numbers: [1932] 1932,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[23, 68], Operations: ['15-7=8', '76-8=68'] Exploring Operation: 23*68=1564, Resulting Numbers: [1564] 1564,78 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 23+68=91, Resulting Numbers: [91] 91,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 75, 16, 87, 56 ]
84
[ "75-16=59", "87+56=143", "143-59=84" ]
Current State: 84:[75, 16, 87, 56], Operations: [] Exploring Operation: 75-16=59, Resulting Numbers: [87, 56, 59] Generated Node #2: [87, 56, 59] from Operation: 75-16=59 Current State: 84:[87, 56, 59], Operations: ['75-16=59'] Exploring Operation: 87+56=143, Resulting Numbers: [59, 143] Generated Node #3: [59, 143] from Operation: 87+56=143 Current State: 84:[59, 143], Operations: ['75-16=59', '87+56=143'] Exploring Operation: 143-59=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[75, 16, 87, 56], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [16, 87, 19] Generated Node #0,0: 84:[16, 87, 19] Operation: 75-56=19 Moving to Node #0,0 Current State: 84:[16, 87, 19], Operations: ['75-56=19'] Exploring Operation: 19-16=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 84:[87, 3] Operation: 19-16=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[87, 3], Operations: ['75-56=19', '19-16=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[75, 16, 87, 56], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [16, 87, 19] Generated Node #0,0: 84:[16, 87, 19] Operation: 75-56=19 Moving to Node #0,0 Current State: 84:[16, 87, 19], Operations: ['75-56=19'] Exploring Operation: 19-16=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 84:[87, 3] Operation: 19-16=3 Moving to Node #0,0,0 Current State: 84:[87, 3], Operations: ['75-56=19', '19-16=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 23, 21, 5, 20 ]
90
[ "23-21=2", "20-2=18", "5*18=90" ]
Current State: 90:[23, 21, 5, 20], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [5, 20, 2] Generated Node #2: [5, 20, 2] from Operation: 23-21=2 Current State: 90:[5, 20, 2], Operations: ['23-21=2'] Exploring Operation: 20-2=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 20-2=18 Current State: 90:[5, 18], Operations: ['23-21=2', '20-2=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[23, 21, 5, 20], Operations: [] Exploring Operation: 23-5=18, Resulting Numbers: [21, 20, 18] Generated Node #0,0: 90:[21, 20, 18] Operation: 23-5=18 Exploring Operation: 23-21=2, Resulting Numbers: [5, 20, 2] Generated Node #0,1: 90:[5, 20, 2] Operation: 23-21=2 Exploring Operation: 23-20=3, Resulting Numbers: [21, 5, 3] Generated Node #0,2: 90:[21, 5, 3] Operation: 23-20=3 Exploring Operation: 23+21=44, Resulting Numbers: [5, 20, 44] Generated Node #0,3: 90:[5, 20, 44] Operation: 23+21=44 Exploring Operation: 23+20=43, Resulting Numbers: [21, 5, 43] Generated Node #0,4: 90:[21, 5, 43] Operation: 23+20=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[5, 20, 2], Operations: ['23-21=2'] Exploring Operation: 20/2=10, Resulting Numbers: [5, 10] Generated Node #0,1,0: 90:[5, 10] Operation: 20/2=10 Exploring Operation: 20/5=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 90:[2, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [2, 15] Generated Node #0,1,2: 90:[2, 15] Operation: 20-5=15 Exploring Operation: 5*2=10, Resulting Numbers: [20, 10] Generated Node #0,1,3: 90:[20, 10] Operation: 5*2=10 Exploring Operation: 20-2=18, Resulting Numbers: [5, 18] Generated Node #0,1,4: 90:[5, 18] Operation: 20-2=18 Moving to Node #0,1,0 Current State: 90:[5, 10], Operations: ['23-21=2', '20/2=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[5, 18], Operations: ['23-21=2', '20-2=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[23, 21, 5, 20], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [5, 20, 2] Generated Node #0,1: 90:[5, 20, 2] Operation: 23-21=2 Moving to Node #0,1 Current State: 90:[5, 20, 2], Operations: ['23-21=2'] Exploring Operation: 20-2=18, Resulting Numbers: [5, 18] Generated Node #0,1,4: 90:[5, 18] Operation: 20-2=18 Moving to Node #0,1,4 Current State: 90:[5, 18], Operations: ['23-21=2', '20-2=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 62, 21, 80, 49 ]
42
[ "62*21=1302", "80-49=31", "1302/31=42" ]
Current State: 42:[62, 21, 80, 49], Operations: [] Exploring Operation: 62*21=1302, Resulting Numbers: [80, 49, 1302] Generated Node #2: [80, 49, 1302] from Operation: 62*21=1302 Current State: 42:[80, 49, 1302], Operations: ['62*21=1302'] Exploring Operation: 80-49=31, Resulting Numbers: [1302, 31] Generated Node #3: [1302, 31] from Operation: 80-49=31 Current State: 42:[1302, 31], Operations: ['62*21=1302', '80-49=31'] Exploring Operation: 1302/31=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[62, 21, 80, 49], Operations: [] Exploring Operation: 80-49=31, Resulting Numbers: [62, 21, 31] Generated Node #0,0: 42:[62, 21, 31] Operation: 80-49=31 Exploring Operation: 80-62=18, Resulting Numbers: [21, 49, 18] Generated Node #0,1: 42:[21, 49, 18] Operation: 80-62=18 Exploring Operation: 62-49=13, Resulting Numbers: [21, 80, 13] Generated Node #0,2: 42:[21, 80, 13] Operation: 62-49=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[21, 49, 18], Operations: ['80-62=18'] Exploring Operation: 21-18=3, Resulting Numbers: [49, 3] Generated Node #0,1,0: 42:[49, 3] Operation: 21-18=3 Exploring Operation: 21+18=39, Resulting Numbers: [49, 39] Generated Node #0,1,1: 42:[49, 39] Operation: 21+18=39 Exploring Operation: 49-21=28, Resulting Numbers: [18, 28] Generated Node #0,1,2: 42:[18, 28] Operation: 49-21=28 Moving to Node #0,1,0 Current State: 42:[49, 3], Operations: ['80-62=18', '21-18=3'] Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,42 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,42 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[49, 39], Operations: ['80-62=18', '21+18=39'] Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,42 unequal: No Solution Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[18, 28], Operations: ['80-62=18', '49-21=28'] Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,42 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[62, 21, 31], Operations: ['80-49=31'] Exploring Operation: 62/31=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [21, 31] Generated Node #0,0,1: 42:[21, 31] Operation: 62-31=31 Exploring Operation: 62-21=41, Resulting Numbers: [31, 41] Generated Node #0,0,2: 42:[31, 41] Operation: 62-21=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['80-49=31', '62/31=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[62, 21, 80, 49], Operations: [] Exploring Operation: 80-49=31, Resulting Numbers: [62, 21, 31] Generated Node #0,0: 42:[62, 21, 31] Operation: 80-49=31 Moving to Node #0,0 Current State: 42:[62, 21, 31], Operations: ['80-49=31'] Exploring Operation: 62/31=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 62/31=2 Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['80-49=31', '62/31=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 54, 7, 64, 35 ]
18
[ "54-7=47", "64-35=29", "47-29=18" ]
Current State: 18:[54, 7, 64, 35], Operations: [] Exploring Operation: 54-7=47, Resulting Numbers: [64, 35, 47] Generated Node #2: [64, 35, 47] from Operation: 54-7=47 Current State: 18:[64, 35, 47], Operations: ['54-7=47'] Exploring Operation: 64-35=29, Resulting Numbers: [47, 29] Generated Node #3: [47, 29] from Operation: 64-35=29 Current State: 18:[47, 29], Operations: ['54-7=47', '64-35=29'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[54, 7, 64, 35], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [7, 64, 19] Generated Node #0,0: 18:[7, 64, 19] Operation: 54-35=19 Exploring Operation: 64-54=10, Resulting Numbers: [7, 35, 10] Generated Node #0,1: 18:[7, 35, 10] Operation: 64-54=10 Exploring Operation: 64-35=29, Resulting Numbers: [54, 7, 29] Generated Node #0,2: 18:[54, 7, 29] Operation: 64-35=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[7, 35, 10], Operations: ['64-54=10'] Exploring Operation: 35/7=5, Resulting Numbers: [10, 5] Generated Node #0,1,0: 18:[10, 5] Operation: 35/7=5 Exploring Operation: 35-7=28, Resulting Numbers: [10, 28] Generated Node #0,1,1: 18:[10, 28] Operation: 35-7=28 Exploring Operation: 35-10=25, Resulting Numbers: [7, 25] Generated Node #0,1,2: 18:[7, 25] Operation: 35-10=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[10, 5], Operations: ['64-54=10', '35/7=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,18 unequal: No Solution No 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: 18:[7, 25], Operations: ['64-54=10', '35-10=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[54, 7, 64, 35], Operations: [] Exploring Operation: 64-54=10, Resulting Numbers: [7, 35, 10] Generated Node #0,1: 18:[7, 35, 10] Operation: 64-54=10 Moving to Node #0,1 Current State: 18:[7, 35, 10], Operations: ['64-54=10'] Exploring Operation: 35-10=25, Resulting Numbers: [7, 25] Generated Node #0,1,2: 18:[7, 25] Operation: 35-10=25 Moving to Node #0,1,2 Current State: 18:[7, 25], Operations: ['64-54=10', '35-10=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 43, 46, 74, 41 ]
18
[ "43-41=2", "46*2=92", "92-74=18" ]
Current State: 18:[43, 46, 74, 41], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [46, 74, 2] Generated Node #2: [46, 74, 2] from Operation: 43-41=2 Current State: 18:[46, 74, 2], Operations: ['43-41=2'] Exploring Operation: 46*2=92, Resulting Numbers: [74, 92] Generated Node #3: [74, 92] from Operation: 46*2=92 Current State: 18:[74, 92], Operations: ['43-41=2', '46*2=92'] Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[43, 46, 74, 41], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [46, 41, 31] Generated Node #0,0: 18:[46, 41, 31] Operation: 74-43=31 Exploring Operation: 74-46=28, Resulting Numbers: [43, 41, 28] Generated Node #0,1: 18:[43, 41, 28] Operation: 74-46=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[43, 41, 28], Operations: ['74-46=28'] Exploring Operation: 43-28=15, Resulting Numbers: [41, 15] Generated Node #0,1,0: 18:[41, 15] Operation: 43-28=15 Exploring Operation: 43-41=2, Resulting Numbers: [28, 2] Generated Node #0,1,1: 18:[28, 2] Operation: 43-41=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[28, 2], Operations: ['74-46=28', '43-41=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,18 unequal: No Solution No 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: 18:[41, 15], Operations: ['74-46=28', '43-28=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,18 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: 18:[46, 41, 31], Operations: ['74-43=31'] Exploring Operation: 46-31=15, Resulting Numbers: [41, 15] Generated Node #0,0,0: 18:[41, 15] Operation: 46-31=15 Exploring Operation: 46-41=5, Resulting Numbers: [31, 5] Generated Node #0,0,1: 18:[31, 5] Operation: 46-41=5 Moving to Node #0,0,1 Current State: 18:[31, 5], Operations: ['74-43=31', '46-41=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[41, 15], Operations: ['74-43=31', '46-31=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 43, 50, 3, 42 ]
54
[ "43+50=93", "42-3=39", "93-39=54" ]
Current State: 54:[43, 50, 3, 42], Operations: [] Exploring Operation: 43+50=93, Resulting Numbers: [3, 42, 93] Generated Node #2: [3, 42, 93] from Operation: 43+50=93 Current State: 54:[3, 42, 93], Operations: ['43+50=93'] Exploring Operation: 42-3=39, Resulting Numbers: [93, 39] Generated Node #3: [93, 39] from Operation: 42-3=39 Current State: 54:[93, 39], Operations: ['43+50=93', '42-3=39'] Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[43, 50, 3, 42], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [50, 3, 1] Generated Node #0,0: 54:[50, 3, 1] Operation: 43-42=1 Moving to Node #0,0 Current State: 54:[50, 3, 1], Operations: ['43-42=1'] Exploring Operation: 50+3=53, Resulting Numbers: [1, 53] Generated Node #0,0,0: 54:[1, 53] Operation: 50+3=53 Moving to Node #0,0,0 Current State: 54:[1, 53], Operations: ['43-42=1', '50+3=53'] Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[43, 50, 3, 42], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [50, 3, 1] Generated Node #0,0: 54:[50, 3, 1] Operation: 43-42=1 Moving to Node #0,0 Current State: 54:[50, 3, 1], Operations: ['43-42=1'] Exploring Operation: 50+3=53, Resulting Numbers: [1, 53] Generated Node #0,0,0: 54:[1, 53] Operation: 50+3=53 Moving to Node #0,0,0 Current State: 54:[1, 53], Operations: ['43-42=1', '50+3=53'] Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 97, 15, 8, 90 ]
67
[ "97+90=187", "15*8=120", "187-120=67" ]
Current State: 67:[97, 15, 8, 90], Operations: [] Exploring Operation: 97+90=187, Resulting Numbers: [15, 8, 187] Generated Node #2: [15, 8, 187] from Operation: 97+90=187 Current State: 67:[15, 8, 187], Operations: ['97+90=187'] Exploring Operation: 15*8=120, Resulting Numbers: [187, 120] Generated Node #3: [187, 120] from Operation: 15*8=120 Current State: 67:[187, 120], Operations: ['97+90=187', '15*8=120'] Exploring Operation: 187-120=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[97, 15, 8, 90], Operations: [] Exploring Operation: 97-15=82, Resulting Numbers: [8, 90, 82] Generated Node #0,0: 67:[8, 90, 82] Operation: 97-15=82 Moving to Node #0,0 Current State: 67:[8, 90, 82], Operations: ['97-15=82'] Exploring Operation: 90-8=82, Resulting Numbers: [82, 82] Generated Node #0,0,0: 67:[82, 82] Operation: 90-8=82 Moving to Node #0,0,0 Current State: 67:[82, 82], Operations: ['97-15=82', '90-8=82'] Exploring Operation: 82/82=1, Resulting Numbers: [1] 1,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 48, 6, 16, 96 ]
84
[ "96/48=2", "16-2=14", "6*14=84" ]
Current State: 84:[48, 6, 16, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [6, 16, 2] Generated Node #2: [6, 16, 2] from Operation: 96/48=2 Current State: 84:[6, 16, 2], Operations: ['96/48=2'] Exploring Operation: 16-2=14, Resulting Numbers: [6, 14] Generated Node #3: [6, 14] from Operation: 16-2=14 Current State: 84:[6, 14], Operations: ['96/48=2', '16-2=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[48, 6, 16, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [6, 16, 2] Generated Node #0,0: 84:[6, 16, 2] Operation: 96/48=2 Exploring Operation: 96/16=6, Resulting Numbers: [48, 6, 6] Generated Node #0,1: 84:[48, 6, 6] Operation: 96/16=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[6, 16, 2], Operations: ['96/48=2'] Exploring Operation: 16-2=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 84:[6, 14] Operation: 16-2=14 Exploring Operation: 6+16=22, Resulting Numbers: [2, 22] Generated Node #0,0,1: 84:[2, 22] Operation: 6+16=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[6, 14], Operations: ['96/48=2', '16-2=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[48, 6, 16, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [6, 16, 2] Generated Node #0,0: 84:[6, 16, 2] Operation: 96/48=2 Moving to Node #0,0 Current State: 84:[6, 16, 2], Operations: ['96/48=2'] Exploring Operation: 16-2=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 84:[6, 14] Operation: 16-2=14 Moving to Node #0,0,0 Current State: 84:[6, 14], Operations: ['96/48=2', '16-2=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 86, 84, 75, 77 ]
44
[ "77-75=2", "84/2=42", "86-42=44" ]
Current State: 44:[86, 84, 75, 77], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [86, 84, 2] Generated Node #2: [86, 84, 2] from Operation: 77-75=2 Current State: 44:[86, 84, 2], Operations: ['77-75=2'] Exploring Operation: 84/2=42, Resulting Numbers: [86, 42] Generated Node #3: [86, 42] from Operation: 84/2=42 Current State: 44:[86, 42], Operations: ['77-75=2', '84/2=42'] Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[86, 84, 75, 77], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [75, 77, 2] Generated Node #0,0: 44:[75, 77, 2] Operation: 86-84=2 Exploring Operation: 86-75=11, Resulting Numbers: [84, 77, 11] Generated Node #0,1: 44:[84, 77, 11] Operation: 86-75=11 Exploring Operation: 86-77=9, Resulting Numbers: [84, 75, 9] Generated Node #0,2: 44:[84, 75, 9] Operation: 86-77=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[75, 77, 2], Operations: ['86-84=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75, 75] Generated Node #0,0,0: 44:[75, 75] Operation: 77-2=75 Exploring Operation: 77-75=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 44:[2, 2] Operation: 77-75=2 Exploring Operation: 75-2=73, Resulting Numbers: [77, 73] Generated Node #0,0,2: 44:[77, 73] Operation: 75-2=73 Moving to Node #0,0,1 Current State: 44:[2, 2], Operations: ['86-84=2', '77-75=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[75, 75], Operations: ['86-84=2', '77-2=75'] Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,44 unequal: No Solution Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[77, 73], Operations: ['86-84=2', '75-2=73'] Exploring Operation: 77+73=150, Resulting Numbers: [150] 150,44 unequal: No Solution Exploring Operation: 77*73=5621, Resulting Numbers: [5621] 5621,44 unequal: No Solution Exploring Operation: 77-73=4, Resulting Numbers: [4] 4,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[84, 77, 11], Operations: ['86-75=11'] Exploring Operation: 77/11=7, Resulting Numbers: [84, 7] Generated Node #0,1,0: 44:[84, 7] Operation: 77/11=7 Exploring Operation: 84-77=7, Resulting Numbers: [11, 7] Generated Node #0,1,1: 44:[11, 7] Operation: 84-77=7 Exploring Operation: 84-11=73, Resulting Numbers: [77, 73] Generated Node #0,1,2: 44:[77, 73] Operation: 84-11=73 Moving to Node #0,1,1 Current State: 44:[11, 7], Operations: ['86-75=11', '84-77=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,44 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[84, 7], Operations: ['86-75=11', '77/11=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,44 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[77, 73], Operations: ['86-75=11', '84-11=73'] Exploring Operation: 77*73=5621, Resulting Numbers: [5621] 5621,44 unequal: No Solution Exploring Operation: 77+73=150, Resulting Numbers: [150] 150,44 unequal: No Solution Exploring Operation: 77-73=4, Resulting Numbers: [4] 4,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[84, 75, 9], Operations: ['86-77=9'] Exploring Operation: 84-75=9, Resulting Numbers: [9, 9] Generated Node #0,2,0: 44:[9, 9] Operation: 84-75=9 Exploring Operation: 75-9=66, Resulting Numbers: [84, 66] Generated Node #0,2,1: 44:[84, 66] Operation: 75-9=66 Exploring Operation: 84-9=75, Resulting Numbers: [75, 75] Generated Node #0,2,2: 44:[75, 75] Operation: 84-9=75 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[9, 9], Operations: ['86-77=9', '84-75=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[84, 66], Operations: ['86-77=9', '75-9=66'] Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 84*66=5544, Resulting Numbers: [5544] 5544,44 unequal: No Solution Exploring Operation: 84+66=150, Resulting Numbers: [150] 150,44 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 #0,2,2 Current State: 44:[75, 75], Operations: ['86-77=9', '84-9=75'] Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,44 unequal: No Solution Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 89, 27, 5, 79 ]
22
[ "89-27=62", "5+79=84", "84-62=22" ]
Current State: 22:[89, 27, 5, 79], Operations: [] Exploring Operation: 89-27=62, Resulting Numbers: [5, 79, 62] Generated Node #2: [5, 79, 62] from Operation: 89-27=62 Current State: 22:[5, 79, 62], Operations: ['89-27=62'] Exploring Operation: 5+79=84, Resulting Numbers: [62, 84] Generated Node #3: [62, 84] from Operation: 5+79=84 Current State: 22:[62, 84], Operations: ['89-27=62', '5+79=84'] Exploring Operation: 84-62=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[89, 27, 5, 79], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [27, 79, 84] Generated Node #0,0: 22:[27, 79, 84] Operation: 89-5=84 Exploring Operation: 27-5=22, Resulting Numbers: [89, 79, 22] Generated Node #0,1: 22:[89, 79, 22] Operation: 27-5=22 Exploring Operation: 89-79=10, Resulting Numbers: [27, 5, 10] Generated Node #0,2: 22:[27, 5, 10] Operation: 89-79=10 Exploring Operation: 89-27=62, Resulting Numbers: [5, 79, 62] Generated Node #0,3: 22:[5, 79, 62] Operation: 89-27=62 Exploring Operation: 79-27=52, Resulting Numbers: [89, 5, 52] Generated Node #0,4: 22:[89, 5, 52] Operation: 79-27=52 Moving to Node #0,2 Current State: 22:[27, 5, 10], Operations: ['89-79=10'] Exploring Operation: 10/5=2, Resulting Numbers: [27, 2] Generated Node #0,2,0: 22:[27, 2] Operation: 10/5=2 Exploring Operation: 5+10=15, Resulting Numbers: [27, 15] Generated Node #0,2,1: 22:[27, 15] Operation: 5+10=15 Exploring Operation: 27-5=22, Resulting Numbers: [10, 22] Generated Node #0,2,2: 22:[10, 22] Operation: 27-5=22 Exploring Operation: 27-10=17, Resulting Numbers: [5, 17] Generated Node #0,2,3: 22:[5, 17] Operation: 27-10=17 Exploring Operation: 10-5=5, Resulting Numbers: [27, 5] Generated Node #0,2,4: 22:[27, 5] Operation: 10-5=5 Moving to Node #0,4 Current State: 22:[89, 5, 52], Operations: ['79-27=52'] Exploring Operation: 5+52=57, Resulting Numbers: [89, 57] Generated Node #0,4,0: 22:[89, 57] Operation: 5+52=57 Exploring Operation: 89-52=37, Resulting Numbers: [5, 37] Generated Node #0,4,1: 22:[5, 37] Operation: 89-52=37 Exploring Operation: 89-5=84, Resulting Numbers: [52, 84] Generated Node #0,4,2: 22:[52, 84] Operation: 89-5=84 Exploring Operation: 89+5=94, Resulting Numbers: [52, 94] Generated Node #0,4,3: 22:[52, 94] Operation: 89+5=94 Exploring Operation: 52-5=47, Resulting Numbers: [89, 47] Generated Node #0,4,4: 22:[89, 47] Operation: 52-5=47 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 22:[5, 37], Operations: ['79-27=52', '89-52=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,22 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,22 unequal: No Solution No 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: 22:[52, 84], Operations: ['79-27=52', '89-5=84'] Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,22 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,22 unequal: No Solution No 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: 22:[89, 47], Operations: ['79-27=52', '52-5=47'] Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 89+47=136, Resulting Numbers: [136] 136,22 unequal: No Solution Exploring Operation: 89*47=4183, Resulting Numbers: [4183] 4183,22 unequal: No Solution No 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: 22:[89, 57], Operations: ['79-27=52', '5+52=57'] Exploring Operation: 89+57=146, Resulting Numbers: [146] 146,22 unequal: No Solution Exploring Operation: 89*57=5073, Resulting Numbers: [5073] 5073,22 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,22 unequal: No Solution No 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: 22:[52, 94], Operations: ['79-27=52', '89+5=94'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 52*94=4888, Resulting Numbers: [4888] 4888,22 unequal: No Solution Exploring Operation: 52+94=146, Resulting Numbers: [146] 146,22 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: 22:[5, 79, 62], Operations: ['89-27=62'] Exploring Operation: 5+62=67, Resulting Numbers: [79, 67] Generated Node #0,3,0: 22:[79, 67] Operation: 5+62=67 Exploring Operation: 62-5=57, Resulting Numbers: [79, 57] Generated Node #0,3,1: 22:[79, 57] Operation: 62-5=57 Exploring Operation: 5+79=84, Resulting Numbers: [62, 84] Generated Node #0,3,2: 22:[62, 84] Operation: 5+79=84 Exploring Operation: 79-5=74, Resulting Numbers: [62, 74] Generated Node #0,3,3: 22:[62, 74] Operation: 79-5=74 Exploring Operation: 79-62=17, Resulting Numbers: [5, 17] Generated Node #0,3,4: 22:[5, 17] Operation: 79-62=17 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 22:[5, 17], Operations: ['89-27=62', '79-62=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,22 unequal: No Solution Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[89, 27, 5, 79], Operations: [] Exploring Operation: 89-27=62, Resulting Numbers: [5, 79, 62] Generated Node #0,3: 22:[5, 79, 62] Operation: 89-27=62 Moving to Node #0,3 Current State: 22:[5, 79, 62], Operations: ['89-27=62'] Exploring Operation: 79-62=17, Resulting Numbers: [5, 17] Generated Node #0,3,4: 22:[5, 17] Operation: 79-62=17 Moving to Node #0,3,4 Current State: 22:[5, 17], Operations: ['89-27=62', '79-62=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 32, 10, 5, 48 ]
70
[ "48-32=16", "5*16=80", "80-10=70" ]
Current State: 70:[32, 10, 5, 48], Operations: [] Exploring Operation: 48-32=16, Resulting Numbers: [10, 5, 16] Generated Node #2: [10, 5, 16] from Operation: 48-32=16 Current State: 70:[10, 5, 16], Operations: ['48-32=16'] Exploring Operation: 5*16=80, Resulting Numbers: [10, 80] Generated Node #3: [10, 80] from Operation: 5*16=80 Current State: 70:[10, 80], Operations: ['48-32=16', '5*16=80'] Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[32, 10, 5, 48], Operations: [] Exploring Operation: 48-32=16, Resulting Numbers: [10, 5, 16] Generated Node #0,0: 70:[10, 5, 16] Operation: 48-32=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[10, 5, 16], Operations: ['48-32=16'] Exploring Operation: 16-10=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 70:[5, 6] Operation: 16-10=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[5, 6], Operations: ['48-32=16', '16-10=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 39, 23, 39, 8 ]
47
[ "39-23=16", "39-8=31", "16+31=47" ]
Current State: 47:[39, 23, 39, 8], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [8, 16] Generated Node #2: [8, 16] from Operation: 39-23=16 Current State: 47:[8, 16], Operations: ['39-23=16'] Exploring Operation: 39-8=31, Resulting Numbers: [16, 31] Generated Node #3: [16, 31] from Operation: 39-8=31 Current State: 47:[16, 31], Operations: ['39-23=16', '39-8=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[39, 23, 39, 8], Operations: [] Exploring Operation: 23+8=31, Resulting Numbers: [39, 39, 31] Generated Node #0,0: 47:[39, 39, 31] Operation: 23+8=31 Exploring Operation: 39-8=31, Resulting Numbers: [23, 39, 31] Generated Node #0,1: 47:[23, 39, 31] Operation: 39-8=31 Exploring Operation: 39+8=47, Resulting Numbers: [39, 23, 47] Generated Node #0,2: 47:[39, 23, 47] Operation: 39+8=47 Exploring Operation: 39+8=47, Resulting Numbers: [23, 39, 47] Generated Node #0,3: 47:[23, 39, 47] Operation: 39+8=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[39, 39, 31], Operations: ['23+8=31'] Exploring Operation: 39+31=70, Resulting Numbers: [39, 70] Generated Node #0,0,0: 47:[39, 70] Operation: 39+31=70 Exploring Operation: 39+39=78, Resulting Numbers: [31, 78] Generated Node #0,0,1: 47:[31, 78] Operation: 39+39=78 Exploring Operation: 39+31=70, Resulting Numbers: [39, 70] Generated Node #0,0,2: 47:[39, 70] Operation: 39+31=70 Exploring Operation: 39-31=8, Resulting Numbers: [39, 8] Generated Node #0,0,3: 47:[39, 8] Operation: 39-31=8 Moving to Node #0,0,0 Current State: 47:[39, 70], Operations: ['23+8=31', '39+31=70'] Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[39, 70], Operations: ['23+8=31', '39+31=70'] Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,47 unequal: No Solution Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[39, 8], Operations: ['23+8=31', '39-31=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,47 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[39, 23, 39, 8], Operations: [] Exploring Operation: 23+8=31, Resulting Numbers: [39, 39, 31] Generated Node #0,0: 47:[39, 39, 31] Operation: 23+8=31 Moving to Node #0,0 Current State: 47:[39, 39, 31], Operations: ['23+8=31'] Exploring Operation: 39-31=8, Resulting Numbers: [39, 8] Generated Node #0,0,3: 47:[39, 8] Operation: 39-31=8 Moving to Node #0,0,3 Current State: 47:[39, 8], Operations: ['23+8=31', '39-31=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 31, 67, 14, 64 ]
57
[ "31+67=98", "98/14=7", "64-7=57" ]
Current State: 57:[31, 67, 14, 64], Operations: [] Exploring Operation: 31+67=98, Resulting Numbers: [14, 64, 98] Generated Node #2: [14, 64, 98] from Operation: 31+67=98 Current State: 57:[14, 64, 98], Operations: ['31+67=98'] Exploring Operation: 98/14=7, Resulting Numbers: [64, 7] Generated Node #3: [64, 7] from Operation: 98/14=7 Current State: 57:[64, 7], Operations: ['31+67=98', '98/14=7'] Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[31, 67, 14, 64], Operations: [] Exploring Operation: 31+14=45, Resulting Numbers: [67, 64, 45] Generated Node #0,0: 57:[67, 64, 45] Operation: 31+14=45 Exploring Operation: 67-64=3, Resulting Numbers: [31, 14, 3] Generated Node #0,1: 57:[31, 14, 3] Operation: 67-64=3 Exploring Operation: 67-31=36, Resulting Numbers: [14, 64, 36] Generated Node #0,2: 57:[14, 64, 36] Operation: 67-31=36 Exploring Operation: 31-14=17, Resulting Numbers: [67, 64, 17] Generated Node #0,3: 57:[67, 64, 17] Operation: 31-14=17 Exploring Operation: 67-14=53, Resulting Numbers: [31, 64, 53] Generated Node #0,4: 57:[31, 64, 53] Operation: 67-14=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[31, 14, 3], Operations: ['67-64=3'] Exploring Operation: 31-3=28, Resulting Numbers: [14, 28] Generated Node #0,1,0: 57:[14, 28] Operation: 31-3=28 Exploring Operation: 14+3=17, Resulting Numbers: [31, 17] Generated Node #0,1,1: 57:[31, 17] Operation: 14+3=17 Exploring Operation: 31-14=17, Resulting Numbers: [3, 17] Generated Node #0,1,2: 57:[3, 17] Operation: 31-14=17 Exploring Operation: 31+14=45, Resulting Numbers: [3, 45] Generated Node #0,1,3: 57:[3, 45] Operation: 31+14=45 Exploring Operation: 31+3=34, Resulting Numbers: [14, 34] Generated Node #0,1,4: 57:[14, 34] Operation: 31+3=34 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[3, 17], Operations: ['67-64=3', '31-14=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[3, 45], Operations: ['67-64=3', '31+14=45'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,57 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[14, 28], Operations: ['67-64=3', '31-3=28'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,57 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[31, 17], Operations: ['67-64=3', '14+3=17'] Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[14, 34], Operations: ['67-64=3', '31+3=34'] Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,57 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,57 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: 57:[67, 64, 17], Operations: ['31-14=17'] Exploring Operation: 67-64=3, Resulting Numbers: [17, 3] Generated Node #0,3,0: 57:[17, 3] Operation: 67-64=3 Exploring Operation: 64+17=81, Resulting Numbers: [67, 81] Generated Node #0,3,1: 57:[67, 81] Operation: 64+17=81 Exploring Operation: 64-17=47, Resulting Numbers: [67, 47] Generated Node #0,3,2: 57:[67, 47] Operation: 64-17=47 Exploring Operation: 67-17=50, Resulting Numbers: [64, 50] Generated Node #0,3,3: 57:[64, 50] Operation: 67-17=50 Exploring Operation: 67+17=84, Resulting Numbers: [64, 84] Generated Node #0,3,4: 57:[64, 84] Operation: 67+17=84 Moving to Node #0,3,0 Current State: 57:[17, 3], Operations: ['31-14=17', '67-64=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,57 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,57 unequal: No Solution Moving to Node #0,3,3 Current State: 57:[64, 50], Operations: ['31-14=17', '67-17=50'] Exploring Operation: 64*50=3200, Resulting Numbers: [3200] 3200,57 unequal: No Solution Exploring Operation: 64+50=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,57 unequal: No Solution Moving to Node #0,3,2 Current State: 57:[67, 47], Operations: ['31-14=17', '64-17=47'] Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,57 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[67, 81], Operations: ['31-14=17', '64+17=81'] Exploring Operation: 67*81=5427, Resulting Numbers: [5427] 5427,57 unequal: No Solution Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 67+81=148, Resulting Numbers: [148] 148,57 unequal: No Solution Moving to Node #0,3,4 Current State: 57:[64, 84], Operations: ['31-14=17', '67+17=84'] Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,57 unequal: No Solution Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[31, 64, 53], Operations: ['67-14=53'] Exploring Operation: 31+53=84, Resulting Numbers: [64, 84] Generated Node #0,4,0: 57:[64, 84] Operation: 31+53=84 Exploring Operation: 31+64=95, Resulting Numbers: [53, 95] Generated Node #0,4,1: 57:[53, 95] Operation: 31+64=95 Exploring Operation: 64-53=11, Resulting Numbers: [31, 11] Generated Node #0,4,2: 57:[31, 11] Operation: 64-53=11 Exploring Operation: 64-31=33, Resulting Numbers: [53, 33] Generated Node #0,4,3: 57:[53, 33] Operation: 64-31=33 Exploring Operation: 53-31=22, Resulting Numbers: [64, 22] Generated Node #0,4,4: 57:[64, 22] Operation: 53-31=22 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 57:[64, 22], Operations: ['67-14=53', '53-31=22'] Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,57 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 57:[53, 33], Operations: ['67-14=53', '64-31=33'] Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,57 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 57:[31, 11], Operations: ['67-14=53', '64-53=11'] Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,57 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 57:[64, 84], Operations: ['67-14=53', '31+53=84'] Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,57 unequal: No Solution Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 57:[53, 95], Operations: ['67-14=53', '31+64=95'] Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 53*95=5035, Resulting Numbers: [5035] 5035,57 unequal: No Solution Exploring Operation: 53+95=148, Resulting Numbers: [148] 148,57 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: 57:[67, 64, 45], Operations: ['31+14=45'] Exploring Operation: 64-45=19, Resulting Numbers: [67, 19] Generated Node #0,0,0: 57:[67, 19] Operation: 64-45=19 Exploring Operation: 64+45=109, Resulting Numbers: [67, 109] Generated Node #0,0,1: 57:[67, 109] Operation: 64+45=109 Exploring Operation: 67-64=3, Resulting Numbers: [45, 3] Generated Node #0,0,2: 57:[45, 3] Operation: 67-64=3 Exploring Operation: 67-45=22, Resulting Numbers: [64, 22] Generated Node #0,0,3: 57:[64, 22] Operation: 67-45=22 Exploring Operation: 67+45=112, Resulting Numbers: [64, 112] Generated Node #0,0,4: 57:[64, 112] Operation: 67+45=112 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[67, 19], Operations: ['31+14=45', '64-45=19'] Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 67*19=1273, Resulting Numbers: [1273] 1273,57 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[64, 22], Operations: ['31+14=45', '67-45=22'] Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[45, 3], Operations: ['31+14=45', '67-64=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 45*3=135, Resulting Numbers: [135] 135,57 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[67, 109], Operations: ['31+14=45', '64+45=109'] Exploring Operation: 67*109=7303, Resulting Numbers: [7303] 7303,57 unequal: No Solution Exploring Operation: 109-67=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 67+109=176, Resulting Numbers: [176] 176,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 57:[64, 112], Operations: ['31+14=45', '67+45=112'] Exploring Operation: 64*112=7168, Resulting Numbers: [7168] 7168,57 unequal: No Solution Exploring Operation: 64+112=176, Resulting Numbers: [176] 176,57 unequal: No Solution Exploring Operation: 112-64=48, Resulting Numbers: [48] 48,57 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: 57:[14, 64, 36], Operations: ['67-31=36'] Exploring Operation: 14+36=50, Resulting Numbers: [64, 50] Generated Node #0,2,0: 57:[64, 50] Operation: 14+36=50 Exploring Operation: 14+64=78, Resulting Numbers: [36, 78] Generated Node #0,2,1: 57:[36, 78] Operation: 14+64=78 Exploring Operation: 36-14=22, Resulting Numbers: [64, 22] Generated Node #0,2,2: 57:[64, 22] Operation: 36-14=22 Exploring Operation: 64-14=50, Resulting Numbers: [36, 50] Generated Node #0,2,3: 57:[36, 50] Operation: 64-14=50 Exploring Operation: 64-36=28, Resulting Numbers: [14, 28] Generated Node #0,2,4: 57:[14, 28] Operation: 64-36=28 Moving to Node #0,2,2 Current State: 57:[64, 22], Operations: ['67-31=36', '36-14=22'] Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[14, 28], Operations: ['67-31=36', '64-36=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[64, 50], Operations: ['67-31=36', '14+36=50'] Exploring Operation: 64*50=3200, Resulting Numbers: [3200] 3200,57 unequal: No Solution Exploring Operation: 64+50=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[36, 50], Operations: ['67-31=36', '64-14=50'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 36+50=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 36*50=1800, Resulting Numbers: [1800] 1800,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[36, 78], Operations: ['67-31=36', '14+64=78'] Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,57 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,57 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
[ 73, 12, 64, 20 ]
47
[ "73*12=876", "64+876=940", "940/20=47" ]
Current State: 47:[73, 12, 64, 20], Operations: [] Exploring Operation: 73*12=876, Resulting Numbers: [64, 20, 876] Generated Node #2: [64, 20, 876] from Operation: 73*12=876 Current State: 47:[64, 20, 876], Operations: ['73*12=876'] Exploring Operation: 64+876=940, Resulting Numbers: [20, 940] Generated Node #3: [20, 940] from Operation: 64+876=940 Current State: 47:[20, 940], Operations: ['73*12=876', '64+876=940'] Exploring Operation: 940/20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[73, 12, 64, 20], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [73, 20, 52] Generated Node #0,0: 47:[73, 20, 52] Operation: 64-12=52 Exploring Operation: 73-12=61, Resulting Numbers: [64, 20, 61] Generated Node #0,1: 47:[64, 20, 61] Operation: 73-12=61 Exploring Operation: 12+20=32, Resulting Numbers: [73, 64, 32] Generated Node #0,2: 47:[73, 64, 32] Operation: 12+20=32 Exploring Operation: 73-20=53, Resulting Numbers: [12, 64, 53] Generated Node #0,3: 47:[12, 64, 53] Operation: 73-20=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[73, 20, 52], Operations: ['64-12=52'] Exploring Operation: 20+52=72, Resulting Numbers: [73, 72] Generated Node #0,0,0: 47:[73, 72] Operation: 20+52=72 Exploring Operation: 52-20=32, Resulting Numbers: [73, 32] Generated Node #0,0,1: 47:[73, 32] Operation: 52-20=32 Exploring Operation: 73+20=93, Resulting Numbers: [52, 93] Generated Node #0,0,2: 47:[52, 93] Operation: 73+20=93 Exploring Operation: 73-20=53, Resulting Numbers: [52, 53] Generated Node #0,0,3: 47:[52, 53] Operation: 73-20=53 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[52, 53], Operations: ['64-12=52', '73-20=53'] Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,47 unequal: No Solution Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,47 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[73, 32], Operations: ['64-12=52', '52-20=32'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 73+32=105, Resulting Numbers: [105] 105,47 unequal: No Solution Exploring Operation: 73*32=2336, Resulting Numbers: [2336] 2336,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[73, 72], Operations: ['64-12=52', '20+52=72'] Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,47 unequal: No Solution Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,47 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[52, 93], Operations: ['64-12=52', '73+20=93'] Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,47 unequal: No Solution Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[64, 20, 61], Operations: ['73-12=61'] Exploring Operation: 64-20=44, Resulting Numbers: [61, 44] Generated Node #0,1,0: 47:[61, 44] Operation: 64-20=44 Exploring Operation: 64+20=84, Resulting Numbers: [61, 84] Generated Node #0,1,1: 47:[61, 84] Operation: 64+20=84 Exploring Operation: 61-20=41, Resulting Numbers: [64, 41] Generated Node #0,1,2: 47:[64, 41] Operation: 61-20=41 Exploring Operation: 20+61=81, Resulting Numbers: [64, 81] Generated Node #0,1,3: 47:[64, 81] Operation: 20+61=81 Moving to Node #0,1,0 Current State: 47:[61, 44], Operations: ['73-12=61', '64-20=44'] Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,47 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[64, 41], Operations: ['73-12=61', '61-20=41'] Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,47 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[64, 81], Operations: ['73-12=61', '20+61=81'] Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 64*81=5184, Resulting Numbers: [5184] 5184,47 unequal: No Solution Exploring Operation: 64+81=145, Resulting Numbers: [145] 145,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[61, 84], Operations: ['73-12=61', '64+20=84'] Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 61*84=5124, Resulting Numbers: [5124] 5124,47 unequal: No Solution Exploring Operation: 61+84=145, Resulting Numbers: [145] 145,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[73, 64, 32], Operations: ['12+20=32'] Exploring Operation: 64-32=32, Resulting Numbers: [73, 32] Generated Node #0,2,0: 47:[73, 32] Operation: 64-32=32 Exploring Operation: 73-32=41, Resulting Numbers: [64, 41] Generated Node #0,2,1: 47:[64, 41] Operation: 73-32=41 Exploring Operation: 73-64=9, Resulting Numbers: [32, 9] Generated Node #0,2,2: 47:[32, 9] Operation: 73-64=9 Exploring Operation: 64/32=2, Resulting Numbers: [73, 2] Generated Node #0,2,3: 47:[73, 2] Operation: 64/32=2 Moving to Node #0,2,1 Current State: 47:[64, 41], Operations: ['12+20=32', '73-32=41'] Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,47 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[73, 32], Operations: ['12+20=32', '64-32=32'] Exploring Operation: 73+32=105, Resulting Numbers: [105] 105,47 unequal: No Solution Exploring Operation: 73*32=2336, Resulting Numbers: [2336] 2336,47 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[32, 9], Operations: ['12+20=32', '73-64=9'] Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,47 unequal: No Solution Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[73, 2], Operations: ['12+20=32', '64/32=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,47 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[12, 64, 53], Operations: ['73-20=53'] Exploring Operation: 12+64=76, Resulting Numbers: [53, 76] Generated Node #0,3,0: 47:[53, 76] Operation: 12+64=76 Exploring Operation: 12+53=65, Resulting Numbers: [64, 65] Generated Node #0,3,1: 47:[64, 65] Operation: 12+53=65 Exploring Operation: 64-12=52, Resulting Numbers: [53, 52] Generated Node #0,3,2: 47:[53, 52] Operation: 64-12=52 Exploring Operation: 53-12=41, Resulting Numbers: [64, 41] Generated Node #0,3,3: 47:[64, 41] Operation: 53-12=41 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 47:[53, 52], Operations: ['73-20=53', '64-12=52'] Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,47 unequal: No Solution Exploring Operation: 53*52=2756, Resulting Numbers: [2756] 2756,47 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 47:[64, 41], Operations: ['73-20=53', '53-12=41'] Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,47 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 47:[53, 76], Operations: ['73-20=53', '12+64=76'] Exploring Operation: 53+76=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 53*76=4028, Resulting Numbers: [4028] 4028,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 47:[64, 65], Operations: ['73-20=53', '12+53=65'] Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,47 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 47, 15, 73, 70 ]
29
[ "47-15=32", "73-70=3", "32-3=29" ]
Current State: 29:[47, 15, 73, 70], Operations: [] Exploring Operation: 47-15=32, Resulting Numbers: [73, 70, 32] Generated Node #2: [73, 70, 32] from Operation: 47-15=32 Current State: 29:[73, 70, 32], Operations: ['47-15=32'] Exploring Operation: 73-70=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 73-70=3 Current State: 29:[32, 3], Operations: ['47-15=32', '73-70=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[47, 15, 73, 70], Operations: [] Exploring Operation: 70-47=23, Resulting Numbers: [15, 73, 23] Generated Node #0,0: 29:[15, 73, 23] Operation: 70-47=23 Exploring Operation: 73-70=3, Resulting Numbers: [47, 15, 3] Generated Node #0,1: 29:[47, 15, 3] Operation: 73-70=3 Exploring Operation: 47-15=32, Resulting Numbers: [73, 70, 32] Generated Node #0,2: 29:[73, 70, 32] Operation: 47-15=32 Exploring Operation: 73-47=26, Resulting Numbers: [15, 70, 26] Generated Node #0,3: 29:[15, 70, 26] Operation: 73-47=26 Exploring Operation: 73-15=58, Resulting Numbers: [47, 70, 58] Generated Node #0,4: 29:[47, 70, 58] Operation: 73-15=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[47, 15, 3], Operations: ['73-70=3'] Exploring Operation: 47-3=44, Resulting Numbers: [15, 44] Generated Node #0,1,0: 29:[15, 44] Operation: 47-3=44 Exploring Operation: 47-15=32, Resulting Numbers: [3, 32] Generated Node #0,1,1: 29:[3, 32] Operation: 47-15=32 Exploring Operation: 47+3=50, Resulting Numbers: [15, 50] Generated Node #0,1,2: 29:[15, 50] Operation: 47+3=50 Exploring Operation: 15*3=45, Resulting Numbers: [47, 45] Generated Node #0,1,3: 29:[47, 45] Operation: 15*3=45 Exploring Operation: 15+3=18, Resulting Numbers: [47, 18] Generated Node #0,1,4: 29:[47, 18] Operation: 15+3=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[15, 44], Operations: ['73-70=3', '47-3=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,29 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[47, 15, 73, 70], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [47, 15, 3] Generated Node #0,1: 29:[47, 15, 3] Operation: 73-70=3 Moving to Node #0,1 Current State: 29:[47, 15, 3], Operations: ['73-70=3'] Exploring Operation: 47-3=44, Resulting Numbers: [15, 44] Generated Node #0,1,0: 29:[15, 44] Operation: 47-3=44 Moving to Node #0,1,0 Current State: 29:[15, 44], Operations: ['73-70=3', '47-3=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 56, 6, 44, 28 ]
76
[ "56/28=2", "44-6=38", "2*38=76" ]
Current State: 76:[56, 6, 44, 28], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [6, 44, 2] Generated Node #2: [6, 44, 2] from Operation: 56/28=2 Current State: 76:[6, 44, 2], Operations: ['56/28=2'] Exploring Operation: 44-6=38, Resulting Numbers: [2, 38] Generated Node #3: [2, 38] from Operation: 44-6=38 Current State: 76:[2, 38], Operations: ['56/28=2', '44-6=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[56, 6, 44, 28], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [6, 44, 2] Generated Node #0,0: 76:[6, 44, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 76:[6, 44, 2], Operations: ['56/28=2'] Exploring Operation: 44-6=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 76:[2, 38] Operation: 44-6=38 Moving to Node #0,0,0 Current State: 76:[2, 38], Operations: ['56/28=2', '44-6=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[56, 6, 44, 28], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [6, 44, 2] Generated Node #0,0: 76:[6, 44, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 76:[6, 44, 2], Operations: ['56/28=2'] Exploring Operation: 44-6=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 76:[2, 38] Operation: 44-6=38 Moving to Node #0,0,0 Current State: 76:[2, 38], Operations: ['56/28=2', '44-6=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 50, 16, 81, 87 ]
60
[ "50+16=66", "87-81=6", "66-6=60" ]
Current State: 60:[50, 16, 81, 87], Operations: [] Exploring Operation: 50+16=66, Resulting Numbers: [81, 87, 66] Generated Node #2: [81, 87, 66] from Operation: 50+16=66 Current State: 60:[81, 87, 66], Operations: ['50+16=66'] Exploring Operation: 87-81=6, Resulting Numbers: [66, 6] Generated Node #3: [66, 6] from Operation: 87-81=6 Current State: 60:[66, 6], Operations: ['50+16=66', '87-81=6'] Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[50, 16, 81, 87], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [16, 87, 31] Generated Node #0,0: 60:[16, 87, 31] Operation: 81-50=31 Exploring Operation: 87-50=37, Resulting Numbers: [16, 81, 37] Generated Node #0,1: 60:[16, 81, 37] Operation: 87-50=37 Exploring Operation: 87-81=6, Resulting Numbers: [50, 16, 6] Generated Node #0,2: 60:[50, 16, 6] Operation: 87-81=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[50, 16, 6], Operations: ['87-81=6'] Exploring Operation: 50-16=34, Resulting Numbers: [6, 34] Generated Node #0,2,0: 60:[6, 34] Operation: 50-16=34 Exploring Operation: 50+6=56, Resulting Numbers: [16, 56] Generated Node #0,2,1: 60:[16, 56] Operation: 50+6=56 Exploring Operation: 50+16=66, Resulting Numbers: [6, 66] Generated Node #0,2,2: 60:[6, 66] Operation: 50+16=66 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[6, 34], Operations: ['87-81=6', '50-16=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,60 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,60 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:[16, 56], Operations: ['87-81=6', '50+6=56'] Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,60 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,60 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:[6, 66], Operations: ['87-81=6', '50+16=66'] Exploring Operation: 6+66=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[50, 16, 81, 87], Operations: [] Exploring Operation: 87-81=6, Resulting Numbers: [50, 16, 6] Generated Node #0,2: 60:[50, 16, 6] Operation: 87-81=6 Moving to Node #0,2 Current State: 60:[50, 16, 6], Operations: ['87-81=6'] Exploring Operation: 50+16=66, Resulting Numbers: [6, 66] Generated Node #0,2,2: 60:[6, 66] Operation: 50+16=66 Moving to Node #0,2,2 Current State: 60:[6, 66], Operations: ['87-81=6', '50+16=66'] Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 17, 7, 3, 24 ]
96
[ "17+7=24", "3*24=72", "24+72=96" ]
Current State: 96:[17, 7, 3, 24], Operations: [] Exploring Operation: 17+7=24, Resulting Numbers: [3, 24, 24] Generated Node #2: [3, 24, 24] from Operation: 17+7=24 Current State: 96:[3, 24, 24], Operations: ['17+7=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 equal: Goal Reached Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[17, 7, 3, 24], Operations: [] Exploring Operation: 17-7=10, Resulting Numbers: [3, 24, 10] Generated Node #0,0: 96:[3, 24, 10] Operation: 17-7=10 Exploring Operation: 17+7=24, Resulting Numbers: [3, 24, 24] Generated Node #0,1: 96:[3, 24, 24] Operation: 17+7=24 Exploring Operation: 7-3=4, Resulting Numbers: [17, 24, 4] Generated Node #0,2: 96:[17, 24, 4] Operation: 7-3=4 Exploring Operation: 24-17=7, Resulting Numbers: [7, 3, 7] Generated Node #0,3: 96:[7, 3, 7] Operation: 24-17=7 Moving to Node #0,1 Current State: 96:[3, 24, 24], Operations: ['17+7=24'] Exploring Operation: 24/3=8, Resulting Numbers: [24, 8] Generated Node #0,1,0: 96:[24, 8] Operation: 24/3=8 Exploring Operation: 24+24=48, Resulting Numbers: [3, 48] Generated Node #0,1,1: 96:[3, 48] Operation: 24+24=48 Exploring Operation: 24/3=8, Resulting Numbers: [24, 8] Generated Node #0,1,2: 96:[24, 8] Operation: 24/3=8 Exploring Operation: 24/24=1, Resulting Numbers: [3, 1] Generated Node #0,1,3: 96:[3, 1] Operation: 24/24=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[24, 8], Operations: ['17+7=24', '24/3=8'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,96 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,96 unequal: No Solution No 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: 96:[3, 48], Operations: ['17+7=24', '24+24=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,96 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,96 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,96 unequal: No Solution No 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: 96:[24, 8], Operations: ['17+7=24', '24/3=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,96 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,96 unequal: No Solution No 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: 96:[3, 1], Operations: ['17+7=24', '24/24=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,96 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: 96:[17, 24, 4], Operations: ['7-3=4'] Exploring Operation: 24*4=96, Resulting Numbers: [17, 96] Generated Node #0,2,0: 96:[17, 96] Operation: 24*4=96 Exploring Operation: 24/4=6, Resulting Numbers: [17, 6] Generated Node #0,2,1: 96:[17, 6] Operation: 24/4=6 Exploring Operation: 17-4=13, Resulting Numbers: [24, 13] Generated Node #0,2,2: 96:[24, 13] Operation: 17-4=13 Exploring Operation: 24-17=7, Resulting Numbers: [4, 7] Generated Node #0,2,3: 96:[4, 7] Operation: 24-17=7 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[17, 96], Operations: ['7-3=4', '24*4=96'] Exploring Operation: 17+96=113, Resulting Numbers: [113] 113,96 unequal: No Solution Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,96 unequal: No Solution Exploring Operation: 17*96=1632, Resulting Numbers: [1632] 1632,96 unequal: No Solution No 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: 96:[17, 6], Operations: ['7-3=4', '24/4=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,96 unequal: No Solution No 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: 96:[24, 13], Operations: ['7-3=4', '17-4=13'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,96 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,96 unequal: No Solution No 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: 96:[4, 7], Operations: ['7-3=4', '24-17=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,96 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: 96:[7, 3, 7], Operations: ['24-17=7'] Exploring Operation: 7*7=49, Resulting Numbers: [3, 49] Generated Node #0,3,0: 96:[3, 49] Operation: 7*7=49 Exploring Operation: 7-3=4, Resulting Numbers: [7, 4] Generated Node #0,3,1: 96:[7, 4] Operation: 7-3=4 Exploring Operation: 7-3=4, Resulting Numbers: [7, 4] Generated Node #0,3,2: 96:[7, 4] Operation: 7-3=4 Exploring Operation: 7/7=1, Resulting Numbers: [3, 1] Generated Node #0,3,3: 96:[3, 1] Operation: 7/7=1 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 96:[3, 49], Operations: ['24-17=7', '7*7=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,96 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,96 unequal: No Solution No 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: 96:[7, 4], Operations: ['24-17=7', '7-3=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,96 unequal: No Solution No 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: 96:[7, 4], Operations: ['24-17=7', '7-3=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,96 unequal: No Solution No 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: 96:[3, 1], Operations: ['24-17=7', '7/7=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,96 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: 96:[3, 24, 10], Operations: ['17-7=10'] Exploring Operation: 3*10=30, Resulting Numbers: [24, 30] Generated Node #0,0,0: 96:[24, 30] Operation: 3*10=30 Exploring Operation: 10-3=7, Resulting Numbers: [24, 7] Generated Node #0,0,1: 96:[24, 7] Operation: 10-3=7 Exploring Operation: 3+10=13, Resulting Numbers: [24, 13] Generated Node #0,0,2: 96:[24, 13] Operation: 3+10=13 Exploring Operation: 24/3=8, Resulting Numbers: [10, 8] Generated Node #0,0,3: 96:[10, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[24, 7], Operations: ['17-7=10', '10-3=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,96 unequal: No Solution No 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: 96:[24, 13], Operations: ['17-7=10', '3+10=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,96 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,96 unequal: No Solution No 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: 96:[24, 30], Operations: ['17-7=10', '3*10=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,96 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,96 unequal: No Solution No 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: 96:[10, 8], Operations: ['17-7=10', '24/3=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,96 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
[ 43, 57, 67, 7 ]
60
[ "57-43=14", "67+7=74", "74-14=60" ]
Current State: 60:[43, 57, 67, 7], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [67, 7, 14] Generated Node #2: [67, 7, 14] from Operation: 57-43=14 Current State: 60:[67, 7, 14], Operations: ['57-43=14'] Exploring Operation: 67+7=74, Resulting Numbers: [14, 74] Generated Node #3: [14, 74] from Operation: 67+7=74 Current State: 60:[14, 74], Operations: ['57-43=14', '67+7=74'] Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[43, 57, 67, 7], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [57, 7, 24] Generated Node #0,0: 60:[57, 7, 24] Operation: 67-43=24 Moving to Node #0,0 Current State: 60:[57, 7, 24], Operations: ['67-43=24'] Exploring Operation: 57-24=33, Resulting Numbers: [7, 33] Generated Node #0,0,0: 60:[7, 33] Operation: 57-24=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[7, 33], Operations: ['67-43=24', '57-24=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 1, 25, 7, 55 ]
23
[ "1*25=25", "55-7=48", "48-25=23" ]
Current State: 23:[1, 25, 7, 55], Operations: [] Exploring Operation: 1*25=25, Resulting Numbers: [7, 55, 25] Generated Node #2: [7, 55, 25] from Operation: 1*25=25 Current State: 23:[7, 55, 25], Operations: ['1*25=25'] Exploring Operation: 55-7=48, Resulting Numbers: [25, 48] Generated Node #3: [25, 48] from Operation: 55-7=48 Current State: 23:[25, 48], Operations: ['1*25=25', '55-7=48'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[1, 25, 7, 55], Operations: [] Exploring Operation: 25-1=24, Resulting Numbers: [7, 55, 24] Generated Node #0,0: 23:[7, 55, 24] Operation: 25-1=24 Exploring Operation: 55-25=30, Resulting Numbers: [1, 7, 30] Generated Node #0,1: 23:[1, 7, 30] Operation: 55-25=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[1, 7, 30], Operations: ['55-25=30'] Exploring Operation: 30-1=29, Resulting Numbers: [7, 29] Generated Node #0,1,0: 23:[7, 29] Operation: 30-1=29 Exploring Operation: 1+7=8, Resulting Numbers: [30, 8] Generated Node #0,1,1: 23:[30, 8] Operation: 1+7=8 Moving to Node #0,1,0 Current State: 23:[7, 29], Operations: ['55-25=30', '30-1=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[30, 8], Operations: ['55-25=30', '1+7=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[7, 55, 24], Operations: ['25-1=24'] Exploring Operation: 55-24=31, Resulting Numbers: [7, 31] Generated Node #0,0,0: 23:[7, 31] Operation: 55-24=31 Exploring Operation: 55-7=48, Resulting Numbers: [24, 48] Generated Node #0,0,1: 23:[24, 48] Operation: 55-7=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[7, 31], Operations: ['25-1=24', '55-24=31'] Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[24, 48], Operations: ['25-1=24', '55-7=48'] Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 81, 84, 74, 19 ]
52
[ "84-81=3", "74-19=55", "55-3=52" ]
Current State: 52:[81, 84, 74, 19], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [74, 19, 3] Generated Node #2: [74, 19, 3] from Operation: 84-81=3 Current State: 52:[74, 19, 3], Operations: ['84-81=3'] Exploring Operation: 74-19=55, Resulting Numbers: [3, 55] Generated Node #3: [3, 55] from Operation: 74-19=55 Current State: 52:[3, 55], Operations: ['84-81=3', '74-19=55'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[81, 84, 74, 19], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [74, 19, 3] Generated Node #0,0: 52:[74, 19, 3] Operation: 84-81=3 Moving to Node #0,0 Current State: 52:[74, 19, 3], Operations: ['84-81=3'] Exploring Operation: 74-19=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 52:[3, 55] Operation: 74-19=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[3, 55], Operations: ['84-81=3', '74-19=55'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[81, 84, 74, 19], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [74, 19, 3] Generated Node #0,0: 52:[74, 19, 3] Operation: 84-81=3 Moving to Node #0,0 Current State: 52:[74, 19, 3], Operations: ['84-81=3'] Exploring Operation: 74-19=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 52:[3, 55] Operation: 74-19=55 Moving to Node #0,0,0 Current State: 52:[3, 55], Operations: ['84-81=3', '74-19=55'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 33, 16, 75, 6 ]
78
[ "33*16=528", "75*6=450", "528-450=78" ]
Current State: 78:[33, 16, 75, 6], Operations: [] Exploring Operation: 33*16=528, Resulting Numbers: [75, 6, 528] Generated Node #2: [75, 6, 528] from Operation: 33*16=528 Current State: 78:[75, 6, 528], Operations: ['33*16=528'] Exploring Operation: 75*6=450, Resulting Numbers: [528, 450] Generated Node #3: [528, 450] from Operation: 75*6=450 Current State: 78:[528, 450], Operations: ['33*16=528', '75*6=450'] Exploring Operation: 528-450=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[33, 16, 75, 6], Operations: [] Exploring Operation: 33+6=39, Resulting Numbers: [16, 75, 39] Generated Node #0,0: 78:[16, 75, 39] Operation: 33+6=39 Exploring Operation: 75-33=42, Resulting Numbers: [16, 6, 42] Generated Node #0,1: 78:[16, 6, 42] Operation: 75-33=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[16, 75, 39], Operations: ['33+6=39'] Exploring Operation: 75-39=36, Resulting Numbers: [16, 36] Generated Node #0,0,0: 78:[16, 36] Operation: 75-39=36 Exploring Operation: 39-16=23, Resulting Numbers: [75, 23] Generated Node #0,0,1: 78:[75, 23] Operation: 39-16=23 Moving to Node #0,0,0 Current State: 78:[16, 36], Operations: ['33+6=39', '75-39=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[75, 23], Operations: ['33+6=39', '39-16=23'] Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,78 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[16, 6, 42], Operations: ['75-33=42'] Exploring Operation: 42-16=26, Resulting Numbers: [6, 26] Generated Node #0,1,0: 78:[6, 26] Operation: 42-16=26 Exploring Operation: 42/6=7, Resulting Numbers: [16, 7] Generated Node #0,1,1: 78:[16, 7] Operation: 42/6=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[6, 26], Operations: ['75-33=42', '42-16=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,78 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[16, 7], Operations: ['75-33=42', '42/6=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 50, 15, 38, 3 ]
28
[ "50*3=150", "150/15=10", "38-10=28" ]
Current State: 28:[50, 15, 38, 3], Operations: [] Exploring Operation: 50*3=150, Resulting Numbers: [15, 38, 150] Generated Node #2: [15, 38, 150] from Operation: 50*3=150 Current State: 28:[15, 38, 150], Operations: ['50*3=150'] Exploring Operation: 150/15=10, Resulting Numbers: [38, 10] Generated Node #3: [38, 10] from Operation: 150/15=10 Current State: 28:[38, 10], Operations: ['50*3=150', '150/15=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[50, 15, 38, 3], Operations: [] Exploring Operation: 50-38=12, Resulting Numbers: [15, 3, 12] Generated Node #0,0: 28:[15, 3, 12] Operation: 50-38=12 Exploring Operation: 50-15=35, Resulting Numbers: [38, 3, 35] Generated Node #0,1: 28:[38, 3, 35] Operation: 50-15=35 Moving to Node #0,0 Current State: 28:[15, 3, 12], Operations: ['50-38=12'] Exploring Operation: 15+12=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 28:[3, 27] Operation: 15+12=27 Exploring Operation: 12/3=4, Resulting Numbers: [15, 4] Generated Node #0,0,1: 28:[15, 4] Operation: 12/3=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[15, 4], Operations: ['50-38=12', '12/3=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[3, 27], Operations: ['50-38=12', '15+12=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[38, 3, 35], Operations: ['50-15=35'] Exploring Operation: 38-35=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 28:[3, 3] Operation: 38-35=3 Exploring Operation: 38-3=35, Resulting Numbers: [35, 35] Generated Node #0,1,1: 28:[35, 35] Operation: 38-3=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[3, 3], Operations: ['50-15=35', '38-35=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[35, 35], Operations: ['50-15=35', '38-3=35'] Exploring Operation: 35-35=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 35/35=1, Resulting Numbers: [1] 1,28 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
[ 36, 46, 92, 82 ]
77
[ "92/46=2", "82/2=41", "36+41=77" ]
Current State: 77:[36, 46, 92, 82], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [36, 82, 2] Generated Node #2: [36, 82, 2] from Operation: 92/46=2 Current State: 77:[36, 82, 2], Operations: ['92/46=2'] Exploring Operation: 82/2=41, Resulting Numbers: [36, 41] Generated Node #3: [36, 41] from Operation: 82/2=41 Current State: 77:[36, 41], Operations: ['92/46=2', '82/2=41'] Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[36, 46, 92, 82], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [36, 82, 2] Generated Node #0,0: 77:[36, 82, 2] Operation: 92/46=2 Exploring Operation: 92-36=56, Resulting Numbers: [46, 82, 56] Generated Node #0,1: 77:[46, 82, 56] Operation: 92-36=56 Exploring Operation: 92-82=10, Resulting Numbers: [36, 46, 10] Generated Node #0,2: 77:[36, 46, 10] Operation: 92-82=10 Exploring Operation: 46-36=10, Resulting Numbers: [92, 82, 10] Generated Node #0,3: 77:[92, 82, 10] Operation: 46-36=10 Exploring Operation: 36+46=82, Resulting Numbers: [92, 82, 82] Generated Node #0,4: 77:[92, 82, 82] Operation: 36+46=82 Moving to Node #0,3 Current State: 77:[92, 82, 10], Operations: ['46-36=10'] Exploring Operation: 82-10=72, Resulting Numbers: [92, 72] Generated Node #0,3,0: 77:[92, 72] Operation: 82-10=72 Exploring Operation: 82+10=92, Resulting Numbers: [92, 92] Generated Node #0,3,1: 77:[92, 92] Operation: 82+10=92 Exploring Operation: 92-10=82, Resulting Numbers: [82, 82] Generated Node #0,3,2: 77:[82, 82] Operation: 92-10=82 Exploring Operation: 92-82=10, Resulting Numbers: [10, 10] Generated Node #0,3,3: 77:[10, 10] Operation: 92-82=10 Exploring Operation: 92+10=102, Resulting Numbers: [82, 102] Generated Node #0,3,4: 77:[82, 102] Operation: 92+10=102 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 77:[10, 10], Operations: ['46-36=10', '92-82=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[82, 82], Operations: ['46-36=10', '92-10=82'] Exploring Operation: 82+82=164, Resulting Numbers: [164] 164,77 unequal: No Solution Exploring Operation: 82*82=6724, Resulting Numbers: [6724] 6724,77 unequal: No Solution Exploring Operation: 82/82=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 82-82=0, Resulting Numbers: [0] 0,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[92, 72], Operations: ['46-36=10', '82-10=72'] Exploring Operation: 92+72=164, Resulting Numbers: [164] 164,77 unequal: No Solution Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 92*72=6624, Resulting Numbers: [6624] 6624,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[92, 92], Operations: ['46-36=10', '82+10=92'] Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 92*92=8464, Resulting Numbers: [8464] 8464,77 unequal: No Solution Exploring Operation: 92+92=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 92-92=0, Resulting Numbers: [0] 0,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 77:[82, 102], Operations: ['46-36=10', '92+10=102'] Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,77 unequal: No Solution Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,77 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: 77:[92, 82, 82], Operations: ['36+46=82'] Exploring Operation: 92-82=10, Resulting Numbers: [82, 10] Generated Node #0,4,0: 77:[82, 10] Operation: 92-82=10 Exploring Operation: 82/82=1, Resulting Numbers: [92, 1] Generated Node #0,4,1: 77:[92, 1] Operation: 82/82=1 Exploring Operation: 82-82=0, Resulting Numbers: [92, 0] Generated Node #0,4,2: 77:[92, 0] Operation: 82-82=0 Exploring Operation: 92-82=10, Resulting Numbers: [82, 10] Generated Node #0,4,3: 77:[82, 10] Operation: 92-82=10 Exploring Operation: 92+82=174, Resulting Numbers: [82, 174] Generated Node #0,4,4: 77:[82, 174] Operation: 92+82=174 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 77:[82, 10], Operations: ['36+46=82', '92-82=10'] Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,77 unequal: No Solution Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 77:[82, 10], Operations: ['36+46=82', '92-82=10'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,77 unequal: No Solution Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[92, 1], Operations: ['36+46=82', '82/82=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,77 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 77:[92, 0], Operations: ['36+46=82', '82-82=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 92*0=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 77:[82, 174], Operations: ['36+46=82', '92+82=174'] Exploring Operation: 82+174=256, Resulting Numbers: [256] 256,77 unequal: No Solution Exploring Operation: 82*174=14268, Resulting Numbers: [14268] 14268,77 unequal: No Solution Exploring Operation: 174-82=92, Resulting Numbers: [92] 92,77 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: 77:[36, 82, 2], Operations: ['92/46=2'] Exploring Operation: 36/2=18, Resulting Numbers: [82, 18] Generated Node #0,0,0: 77:[82, 18] Operation: 36/2=18 Exploring Operation: 82-2=80, Resulting Numbers: [36, 80] Generated Node #0,0,1: 77:[36, 80] Operation: 82-2=80 Exploring Operation: 36+2=38, Resulting Numbers: [82, 38] Generated Node #0,0,2: 77:[82, 38] Operation: 36+2=38 Exploring Operation: 36*2=72, Resulting Numbers: [82, 72] Generated Node #0,0,3: 77:[82, 72] Operation: 36*2=72 Exploring Operation: 36-2=34, Resulting Numbers: [82, 34] Generated Node #0,0,4: 77:[82, 34] Operation: 36-2=34 Moving to Node #0,1 Current State: 77:[46, 82, 56], Operations: ['92-36=56'] Exploring Operation: 82-46=36, Resulting Numbers: [56, 36] Generated Node #0,1,0: 77:[56, 36] Operation: 82-46=36 Exploring Operation: 56-46=10, Resulting Numbers: [82, 10] Generated Node #0,1,1: 77:[82, 10] Operation: 56-46=10 Exploring Operation: 82-56=26, Resulting Numbers: [46, 26] Generated Node #0,1,2: 77:[46, 26] Operation: 82-56=26 Exploring Operation: 46+82=128, Resulting Numbers: [56, 128] Generated Node #0,1,3: 77:[56, 128] Operation: 46+82=128 Exploring Operation: 46+56=102, Resulting Numbers: [82, 102] Generated Node #0,1,4: 77:[82, 102] Operation: 46+56=102 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[82, 10], Operations: ['92-36=56', '56-46=10'] Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,77 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 77:[82, 102], Operations: ['92-36=56', '46+56=102'] Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,77 unequal: No Solution Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[56, 36], Operations: ['92-36=56', '82-46=36'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[46, 26], Operations: ['92-36=56', '82-56=26'] Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,77 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[56, 128], Operations: ['92-36=56', '46+82=128'] Exploring Operation: 128-56=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 56+128=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 56*128=7168, Resulting Numbers: [7168] 7168,77 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: 77:[36, 46, 10], Operations: ['92-82=10'] Exploring Operation: 36-10=26, Resulting Numbers: [46, 26] Generated Node #0,2,0: 77:[46, 26] Operation: 36-10=26 Exploring Operation: 46-10=36, Resulting Numbers: [36, 36] Generated Node #0,2,1: 77:[36, 36] Operation: 46-10=36 Exploring Operation: 36+46=82, Resulting Numbers: [10, 82] Generated Node #0,2,2: 77:[10, 82] Operation: 36+46=82 Exploring Operation: 46-36=10, Resulting Numbers: [10, 10] Generated Node #0,2,3: 77:[10, 10] Operation: 46-36=10 Exploring Operation: 46+10=56, Resulting Numbers: [36, 56] Generated Node #0,2,4: 77:[36, 56] Operation: 46+10=56 Moving to Node #0,2,3 Current State: 77:[10, 10], Operations: ['92-82=10', '46-36=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[10, 82], Operations: ['92-82=10', '36+46=82'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 10*82=820, Resulting Numbers: [820] 820,77 unequal: No Solution Exploring Operation: 10+82=92, Resulting Numbers: [92] 92,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[82, 72], Operations: ['92/46=2', '36*2=72'] Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 82*72=5904, Resulting Numbers: [5904] 5904,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[82, 18], Operations: ['92/46=2', '36/2=18'] Exploring Operation: 82*18=1476, Resulting Numbers: [1476] 1476,77 unequal: No Solution Exploring Operation: 82+18=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[36, 80], Operations: ['92/46=2', '82-2=80'] Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 36+80=116, Resulting Numbers: [116] 116,77 unequal: No Solution Exploring Operation: 36*80=2880, Resulting Numbers: [2880] 2880,77 unequal: No Solution Moving to Node #0,0,4 Current State: 77:[82, 34], Operations: ['92/46=2', '36-2=34'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 82*34=2788, Resulting Numbers: [2788] 2788,77 unequal: No Solution Exploring Operation: 82+34=116, Resulting Numbers: [116] 116,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[82, 38], Operations: ['92/46=2', '36+2=38'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,77 unequal: No Solution Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,77 unequal: No Solution Moving to Node #0,2,4 Current State: 77:[36, 56], Operations: ['92-82=10', '46+10=56'] Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,77 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[46, 26], Operations: ['92-82=10', '36-10=26'] Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,77 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[36, 36], Operations: ['92-82=10', '46-10=36'] Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,77 unequal: No Solution Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 22, 85, 77, 48 ]
38
[ "85+48=133", "22*133=2926", "2926/77=38" ]
Current State: 38:[22, 85, 77, 48], Operations: [] Exploring Operation: 85+48=133, Resulting Numbers: [22, 77, 133] Generated Node #2: [22, 77, 133] from Operation: 85+48=133 Current State: 38:[22, 77, 133], Operations: ['85+48=133'] Exploring Operation: 22*133=2926, Resulting Numbers: [77, 2926] Generated Node #3: [77, 2926] from Operation: 22*133=2926 Current State: 38:[77, 2926], Operations: ['85+48=133', '22*133=2926'] Exploring Operation: 2926/77=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[22, 85, 77, 48], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [22, 48, 8] Generated Node #0,0: 38:[22, 48, 8] Operation: 85-77=8 Moving to Node #0,0 Current State: 38:[22, 48, 8], Operations: ['85-77=8'] Exploring Operation: 48-8=40, Resulting Numbers: [22, 40] Generated Node #0,0,0: 38:[22, 40] Operation: 48-8=40 Moving to Node #0,0,0 Current State: 38:[22, 40], Operations: ['85-77=8', '48-8=40'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,38 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 75, 30, 3, 18 ]
24
[ "75-30=45", "3+18=21", "45-21=24" ]
Current State: 24:[75, 30, 3, 18], Operations: [] Exploring Operation: 75-30=45, Resulting Numbers: [3, 18, 45] Generated Node #2: [3, 18, 45] from Operation: 75-30=45 Current State: 24:[3, 18, 45], Operations: ['75-30=45'] Exploring Operation: 3+18=21, Resulting Numbers: [45, 21] Generated Node #3: [45, 21] from Operation: 3+18=21 Current State: 24:[45, 21], Operations: ['75-30=45', '3+18=21'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[75, 30, 3, 18], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [30, 18, 25] Generated Node #0,0: 24:[30, 18, 25] Operation: 75/3=25 Exploring Operation: 75-18=57, Resulting Numbers: [30, 3, 57] Generated Node #0,1: 24:[30, 3, 57] Operation: 75-18=57 Exploring Operation: 30-18=12, Resulting Numbers: [75, 3, 12] Generated Node #0,2: 24:[75, 3, 12] Operation: 30-18=12 Exploring Operation: 75-30=45, Resulting Numbers: [3, 18, 45] Generated Node #0,3: 24:[3, 18, 45] Operation: 75-30=45 Moving to Node #0,0 Current State: 24:[30, 18, 25], Operations: ['75/3=25'] Exploring Operation: 30-25=5, Resulting Numbers: [18, 5] Generated Node #0,0,0: 24:[18, 5] Operation: 30-25=5 Exploring Operation: 25-18=7, Resulting Numbers: [30, 7] Generated Node #0,0,1: 24:[30, 7] Operation: 25-18=7 Exploring Operation: 30+18=48, Resulting Numbers: [25, 48] Generated Node #0,0,2: 24:[25, 48] Operation: 30+18=48 Exploring Operation: 30-18=12, Resulting Numbers: [25, 12] Generated Node #0,0,3: 24:[25, 12] Operation: 30-18=12 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 24:[25, 12], Operations: ['75/3=25', '30-18=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,24 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[18, 5], Operations: ['75/3=25', '30-25=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,24 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[30, 7], Operations: ['75/3=25', '25-18=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,24 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[25, 48], Operations: ['75/3=25', '30+18=48'] Exploring Operation: 25+48=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 25*48=1200, Resulting Numbers: [1200] 1200,24 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,24 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: 24:[3, 18, 45], Operations: ['75-30=45'] Exploring Operation: 45-18=27, Resulting Numbers: [3, 27] Generated Node #0,3,0: 24:[3, 27] Operation: 45-18=27 Exploring Operation: 45/3=15, Resulting Numbers: [18, 15] Generated Node #0,3,1: 24:[18, 15] Operation: 45/3=15 Exploring Operation: 18/3=6, Resulting Numbers: [45, 6] Generated Node #0,3,2: 24:[45, 6] Operation: 18/3=6 Exploring Operation: 3+18=21, Resulting Numbers: [45, 21] Generated Node #0,3,3: 24:[45, 21] Operation: 3+18=21 Moving to Node #0,1 Current State: 24:[30, 3, 57], Operations: ['75-18=57'] Exploring Operation: 30/3=10, Resulting Numbers: [57, 10] Generated Node #0,1,0: 24:[57, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [57, 27] Generated Node #0,1,1: 24:[57, 27] Operation: 30-3=27 Exploring Operation: 57-30=27, Resulting Numbers: [3, 27] Generated Node #0,1,2: 24:[3, 27] Operation: 57-30=27 Exploring Operation: 57/3=19, Resulting Numbers: [30, 19] Generated Node #0,1,3: 24:[30, 19] Operation: 57/3=19 Moving to Node #0,2 Current State: 24:[75, 3, 12], Operations: ['30-18=12'] Exploring Operation: 75-3=72, Resulting Numbers: [12, 72] Generated Node #0,2,0: 24:[12, 72] Operation: 75-3=72 Exploring Operation: 12/3=4, Resulting Numbers: [75, 4] Generated Node #0,2,1: 24:[75, 4] Operation: 12/3=4 Exploring Operation: 75/3=25, Resulting Numbers: [12, 25] Generated Node #0,2,2: 24:[12, 25] Operation: 75/3=25 Exploring Operation: 75-12=63, Resulting Numbers: [3, 63] Generated Node #0,2,3: 24:[3, 63] Operation: 75-12=63 Moving to Node #0,2,2 Current State: 24:[12, 25], Operations: ['30-18=12', '75/3=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[3, 27], Operations: ['75-30=45', '45-18=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,24 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[75, 30, 3, 18], Operations: [] Exploring Operation: 75-30=45, Resulting Numbers: [3, 18, 45] Generated Node #0,3: 24:[3, 18, 45] Operation: 75-30=45 Moving to Node #0,3 Current State: 24:[3, 18, 45], Operations: ['75-30=45'] Exploring Operation: 45-18=27, Resulting Numbers: [3, 27] Generated Node #0,3,0: 24:[3, 27] Operation: 45-18=27 Moving to Node #0,3,0 Current State: 24:[3, 27], Operations: ['75-30=45', '45-18=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.963542
hs_4
sum_heuristic
[ 37, 67, 84, 90 ]
81
[ "67-37=30", "90/30=3", "84-3=81" ]
Current State: 81:[37, 67, 84, 90], Operations: [] Exploring Operation: 67-37=30, Resulting Numbers: [84, 90, 30] Generated Node #2: [84, 90, 30] from Operation: 67-37=30 Current State: 81:[84, 90, 30], Operations: ['67-37=30'] Exploring Operation: 90/30=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 90/30=3 Current State: 81:[84, 3], Operations: ['67-37=30', '90/30=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[37, 67, 84, 90], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [37, 90, 17] Generated Node #0,0: 81:[37, 90, 17] Operation: 84-67=17 Exploring Operation: 67-37=30, Resulting Numbers: [84, 90, 30] Generated Node #0,1: 81:[84, 90, 30] Operation: 67-37=30 Exploring Operation: 90-84=6, Resulting Numbers: [37, 67, 6] Generated Node #0,2: 81:[37, 67, 6] Operation: 90-84=6 Exploring Operation: 90-67=23, Resulting Numbers: [37, 84, 23] Generated Node #0,3: 81:[37, 84, 23] Operation: 90-67=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[84, 90, 30], Operations: ['67-37=30'] Exploring Operation: 84-30=54, Resulting Numbers: [90, 54] Generated Node #0,1,0: 81:[90, 54] Operation: 84-30=54 Exploring Operation: 90-84=6, Resulting Numbers: [30, 6] Generated Node #0,1,1: 81:[30, 6] Operation: 90-84=6 Exploring Operation: 90-30=60, Resulting Numbers: [84, 60] Generated Node #0,1,2: 81:[84, 60] Operation: 90-30=60 Exploring Operation: 90/30=3, Resulting Numbers: [84, 3] Generated Node #0,1,3: 81:[84, 3] Operation: 90/30=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 81:[84, 3], Operations: ['67-37=30', '90/30=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[37, 67, 84, 90], Operations: [] Exploring Operation: 67-37=30, Resulting Numbers: [84, 90, 30] Generated Node #0,1: 81:[84, 90, 30] Operation: 67-37=30 Moving to Node #0,1 Current State: 81:[84, 90, 30], Operations: ['67-37=30'] Exploring Operation: 90/30=3, Resulting Numbers: [84, 3] Generated Node #0,1,3: 81:[84, 3] Operation: 90/30=3 Moving to Node #0,1,3 Current State: 81:[84, 3], Operations: ['67-37=30', '90/30=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 67, 31, 48, 49 ]
29
[ "31*48=1488", "1488-67=1421", "1421/49=29" ]
Current State: 29:[67, 31, 48, 49], Operations: [] Exploring Operation: 31*48=1488, Resulting Numbers: [67, 49, 1488] Generated Node #2: [67, 49, 1488] from Operation: 31*48=1488 Current State: 29:[67, 49, 1488], Operations: ['31*48=1488'] Exploring Operation: 1488-67=1421, Resulting Numbers: [49, 1421] Generated Node #3: [49, 1421] from Operation: 1488-67=1421 Current State: 29:[49, 1421], Operations: ['31*48=1488', '1488-67=1421'] Exploring Operation: 1421/49=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[67, 31, 48, 49], Operations: [] Exploring Operation: 67-31=36, Resulting Numbers: [48, 49, 36] Generated Node #0,0: 29:[48, 49, 36] Operation: 67-31=36 Exploring Operation: 67-49=18, Resulting Numbers: [31, 48, 18] Generated Node #0,1: 29:[31, 48, 18] Operation: 67-49=18 Exploring Operation: 67-48=19, Resulting Numbers: [31, 49, 19] Generated Node #0,2: 29:[31, 49, 19] Operation: 67-48=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[31, 48, 18], Operations: ['67-49=18'] Exploring Operation: 48-31=17, Resulting Numbers: [18, 17] Generated Node #0,1,0: 29:[18, 17] Operation: 48-31=17 Exploring Operation: 48-18=30, Resulting Numbers: [31, 30] Generated Node #0,1,1: 29:[31, 30] Operation: 48-18=30 Exploring Operation: 31-18=13, Resulting Numbers: [48, 13] Generated Node #0,1,2: 29:[48, 13] Operation: 31-18=13 Moving to Node #0,1,1 Current State: 29:[31, 30], Operations: ['67-49=18', '48-18=30'] Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,29 unequal: No Solution Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[18, 17], Operations: ['67-49=18', '48-31=17'] Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 18*17=306, Resulting Numbers: [306] 306,29 unequal: No Solution Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[48, 13], Operations: ['67-49=18', '31-18=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,29 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[31, 49, 19], Operations: ['67-48=19'] Exploring Operation: 31-19=12, Resulting Numbers: [49, 12] Generated Node #0,2,0: 29:[49, 12] Operation: 31-19=12 Exploring Operation: 49-31=18, Resulting Numbers: [19, 18] Generated Node #0,2,1: 29:[19, 18] Operation: 49-31=18 Exploring Operation: 49-19=30, Resulting Numbers: [31, 30] Generated Node #0,2,2: 29:[31, 30] Operation: 49-19=30 Moving to Node #0,2,2 Current State: 29:[31, 30], Operations: ['67-48=19', '49-19=30'] Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[19, 18], Operations: ['67-48=19', '49-31=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,29 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[49, 12], Operations: ['67-48=19', '31-19=12'] Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,29 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[48, 49, 36], Operations: ['67-31=36'] Exploring Operation: 49-48=1, Resulting Numbers: [36, 1] Generated Node #0,0,0: 29:[36, 1] Operation: 49-48=1 Exploring Operation: 49-36=13, Resulting Numbers: [48, 13] Generated Node #0,0,1: 29:[48, 13] Operation: 49-36=13 Exploring Operation: 48-36=12, Resulting Numbers: [49, 12] Generated Node #0,0,2: 29:[49, 12] Operation: 48-36=12 Moving to Node #0,0,0 Current State: 29:[36, 1], Operations: ['67-31=36', '49-48=1'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[48, 13], Operations: ['67-31=36', '49-36=13'] Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[49, 12], Operations: ['67-31=36', '48-36=12'] Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,29 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,29 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, 8, 7, 21 ]
57
[ "36+21=57", "8-7=1", "57*1=57" ]
Current State: 57:[36, 8, 7, 21], Operations: [] Exploring Operation: 36+21=57, Resulting Numbers: [8, 7, 57] Generated Node #2: [8, 7, 57] from Operation: 36+21=57 Current State: 57:[8, 7, 57], Operations: ['36+21=57'] Exploring Operation: 8-7=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 8-7=1 Current State: 57:[57, 1], Operations: ['36+21=57', '8-7=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[36, 8, 7, 21], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [8, 7, 15] Generated Node #0,0: 57:[8, 7, 15] Operation: 36-21=15 Exploring Operation: 36+21=57, Resulting Numbers: [8, 7, 57] Generated Node #0,1: 57:[8, 7, 57] Operation: 36+21=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[8, 7, 57], Operations: ['36+21=57'] Exploring Operation: 8-7=1, Resulting Numbers: [57, 1] Generated Node #0,1,0: 57:[57, 1] Operation: 8-7=1 Exploring Operation: 8*7=56, Resulting Numbers: [57, 56] Generated Node #0,1,1: 57:[57, 56] Operation: 8*7=56 Moving to Node #0,1,1 Current State: 57:[57, 56], Operations: ['36+21=57', '8*7=56'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,57 unequal: No Solution Exploring Operation: 57+56=113, Resulting Numbers: [113] 113,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[57, 1], Operations: ['36+21=57', '8-7=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[36, 8, 7, 21], Operations: [] Exploring Operation: 36+21=57, Resulting Numbers: [8, 7, 57] Generated Node #0,1: 57:[8, 7, 57] Operation: 36+21=57 Moving to Node #0,1 Current State: 57:[8, 7, 57], Operations: ['36+21=57'] Exploring Operation: 8-7=1, Resulting Numbers: [57, 1] Generated Node #0,1,0: 57:[57, 1] Operation: 8-7=1 Moving to Node #0,1,0 Current State: 57:[57, 1], Operations: ['36+21=57', '8-7=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 83, 39, 19, 64 ]
39
[ "83+39=122", "19+64=83", "122-83=39" ]
Current State: 39:[83, 39, 19, 64], Operations: [] Exploring Operation: 83+39=122, Resulting Numbers: [19, 64, 122] Generated Node #2: [19, 64, 122] from Operation: 83+39=122 Current State: 39:[19, 64, 122], Operations: ['83+39=122'] Exploring Operation: 19+64=83, Resulting Numbers: [122, 83] Generated Node #3: [122, 83] from Operation: 19+64=83 Current State: 39:[122, 83], Operations: ['83+39=122', '19+64=83'] Exploring Operation: 122-83=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[83, 39, 19, 64], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [39, 64, 64] Generated Node #0,0: 39:[39, 64, 64] Operation: 83-19=64 Exploring Operation: 83-39=44, Resulting Numbers: [19, 64, 44] Generated Node #0,1: 39:[19, 64, 44] Operation: 83-39=44 Exploring Operation: 83-64=19, Resulting Numbers: [39, 19, 19] Generated Node #0,2: 39:[39, 19, 19] Operation: 83-64=19 Moving to Node #0,2 Current State: 39:[39, 19, 19], Operations: ['83-64=19'] Exploring Operation: 19-19=0, Resulting Numbers: [39, 0] Generated Node #0,2,0: 39:[39, 0] Operation: 19-19=0 Exploring Operation: 19+19=38, Resulting Numbers: [39, 38] Generated Node #0,2,1: 39:[39, 38] Operation: 19+19=38 Exploring Operation: 19/19=1, Resulting Numbers: [39, 1] Generated Node #0,2,2: 39:[39, 1] Operation: 19/19=1 Moving to Node #0,1 Current State: 39:[19, 64, 44], Operations: ['83-39=44'] Exploring Operation: 64-44=20, Resulting Numbers: [19, 20] Generated Node #0,1,0: 39:[19, 20] Operation: 64-44=20 Exploring Operation: 44-19=25, Resulting Numbers: [64, 25] Generated Node #0,1,1: 39:[64, 25] Operation: 44-19=25 Exploring Operation: 64-19=45, Resulting Numbers: [44, 45] Generated Node #0,1,2: 39:[44, 45] Operation: 64-19=45 Moving to Node #0,0 Current State: 39:[39, 64, 64], Operations: ['83-19=64'] Exploring Operation: 64-39=25, Resulting Numbers: [64, 25] Generated Node #0,0,0: 39:[64, 25] Operation: 64-39=25 Exploring Operation: 64/64=1, Resulting Numbers: [39, 1] Generated Node #0,0,1: 39:[39, 1] Operation: 64/64=1 Exploring Operation: 64-64=0, Resulting Numbers: [39, 0] Generated Node #0,0,2: 39:[39, 0] Operation: 64-64=0 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[39, 1], Operations: ['83-19=64', '64/64=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[83, 39, 19, 64], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [39, 64, 64] Generated Node #0,0: 39:[39, 64, 64] Operation: 83-19=64 Moving to Node #0,0 Current State: 39:[39, 64, 64], Operations: ['83-19=64'] Exploring Operation: 64/64=1, Resulting Numbers: [39, 1] Generated Node #0,0,1: 39:[39, 1] Operation: 64/64=1 Moving to Node #0,0,1 Current State: 39:[39, 1], Operations: ['83-19=64', '64/64=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 18, 17, 4, 54 ]
51
[ "18-17=1", "54-4=50", "1+50=51" ]
Current State: 51:[18, 17, 4, 54], Operations: [] Exploring Operation: 18-17=1, Resulting Numbers: [4, 54, 1] Generated Node #2: [4, 54, 1] from Operation: 18-17=1 Current State: 51:[4, 54, 1], Operations: ['18-17=1'] Exploring Operation: 54-4=50, Resulting Numbers: [1, 50] Generated Node #3: [1, 50] from Operation: 54-4=50 Current State: 51:[1, 50], Operations: ['18-17=1', '54-4=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[18, 17, 4, 54], Operations: [] Exploring Operation: 54-4=50, Resulting Numbers: [18, 17, 50] Generated Node #0,0: 51:[18, 17, 50] Operation: 54-4=50 Exploring Operation: 54/18=3, Resulting Numbers: [17, 4, 3] Generated Node #0,1: 51:[17, 4, 3] Operation: 54/18=3 Exploring Operation: 18-17=1, Resulting Numbers: [4, 54, 1] Generated Node #0,2: 51:[4, 54, 1] Operation: 18-17=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[17, 4, 3], Operations: ['54/18=3'] Exploring Operation: 4-3=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 51:[17, 1] Operation: 4-3=1 Exploring Operation: 17*3=51, Resulting Numbers: [4, 51] Generated Node #0,1,1: 51:[4, 51] Operation: 17*3=51 Exploring Operation: 17+4=21, Resulting Numbers: [3, 21] Generated Node #0,1,2: 51:[3, 21] Operation: 17+4=21 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[4, 51], Operations: ['54/18=3', '17*3=51'] Exploring Operation: 4*51=204, Resulting Numbers: [204] 204,51 unequal: No Solution Exploring Operation: 4+51=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,51 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:[17, 1], Operations: ['54/18=3', '4-3=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,51 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:[3, 21], Operations: ['54/18=3', '17+4=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,51 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[18, 17, 50], Operations: ['54-4=50'] Exploring Operation: 18+17=35, Resulting Numbers: [50, 35] Generated Node #0,0,0: 51:[50, 35] Operation: 18+17=35 Exploring Operation: 18-17=1, Resulting Numbers: [50, 1] Generated Node #0,0,1: 51:[50, 1] Operation: 18-17=1 Exploring Operation: 50-18=32, Resulting Numbers: [17, 32] Generated Node #0,0,2: 51:[17, 32] Operation: 50-18=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[50, 1], Operations: ['54-4=50', '18-17=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[18, 17, 4, 54], Operations: [] Exploring Operation: 54-4=50, Resulting Numbers: [18, 17, 50] Generated Node #0,0: 51:[18, 17, 50] Operation: 54-4=50 Moving to Node #0,0 Current State: 51:[18, 17, 50], Operations: ['54-4=50'] Exploring Operation: 18-17=1, Resulting Numbers: [50, 1] Generated Node #0,0,1: 51:[50, 1] Operation: 18-17=1 Moving to Node #0,0,1 Current State: 51:[50, 1], Operations: ['54-4=50', '18-17=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 26, 15, 94, 8 ]
97
[ "26-15=11", "94-8=86", "11+86=97" ]
Current State: 97:[26, 15, 94, 8], Operations: [] Exploring Operation: 26-15=11, Resulting Numbers: [94, 8, 11] Generated Node #2: [94, 8, 11] from Operation: 26-15=11 Current State: 97:[94, 8, 11], Operations: ['26-15=11'] Exploring Operation: 94-8=86, Resulting Numbers: [11, 86] Generated Node #3: [11, 86] from Operation: 94-8=86 Current State: 97:[11, 86], Operations: ['26-15=11', '94-8=86'] Exploring Operation: 11+86=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[26, 15, 94, 8], Operations: [] Exploring Operation: 15*8=120, Resulting Numbers: [26, 94, 120] Generated Node #0,0: 97:[26, 94, 120] Operation: 15*8=120 Exploring Operation: 26+8=34, Resulting Numbers: [15, 94, 34] Generated Node #0,1: 97:[15, 94, 34] Operation: 26+8=34 Exploring Operation: 26+15=41, Resulting Numbers: [94, 8, 41] Generated Node #0,2: 97:[94, 8, 41] Operation: 26+15=41 Moving to Node #0,0 Current State: 97:[26, 94, 120], Operations: ['15*8=120'] Exploring Operation: 26+94=120, Resulting Numbers: [120, 120] Generated Node #0,0,0: 97:[120, 120] Operation: 26+94=120 Exploring Operation: 120-26=94, Resulting Numbers: [94, 94] Generated Node #0,0,1: 97:[94, 94] Operation: 120-26=94 Exploring Operation: 94-26=68, Resulting Numbers: [120, 68] Generated Node #0,0,2: 97:[120, 68] Operation: 94-26=68 Moving to Node #0,1 Current State: 97:[15, 94, 34], Operations: ['26+8=34'] Exploring Operation: 15+34=49, Resulting Numbers: [94, 49] Generated Node #0,1,0: 97:[94, 49] Operation: 15+34=49 Exploring Operation: 94-15=79, Resulting Numbers: [34, 79] Generated Node #0,1,1: 97:[34, 79] Operation: 94-15=79 Exploring Operation: 15+94=109, Resulting Numbers: [34, 109] Generated Node #0,1,2: 97:[34, 109] Operation: 15+94=109 Moving to Node #0,2 Current State: 97:[94, 8, 41], Operations: ['26+15=41'] Exploring Operation: 94+8=102, Resulting Numbers: [41, 102] Generated Node #0,2,0: 97:[41, 102] Operation: 94+8=102 Exploring Operation: 94-8=86, Resulting Numbers: [41, 86] Generated Node #0,2,1: 97:[41, 86] Operation: 94-8=86 Exploring Operation: 8+41=49, Resulting Numbers: [94, 49] Generated Node #0,2,2: 97:[94, 49] Operation: 8+41=49 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[94, 49], Operations: ['26+15=41', '8+41=49'] Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,97 unequal: No Solution No 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: 97:[41, 102], Operations: ['26+15=41', '94+8=102'] Exploring Operation: 102-41=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 41+102=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 41*102=4182, Resulting Numbers: [4182] 4182,97 unequal: No Solution No 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: 97:[41, 86], Operations: ['26+15=41', '94-8=86'] Exploring Operation: 41+86=127, Resulting Numbers: [127] 127,97 unequal: No Solution Exploring Operation: 41*86=3526, Resulting Numbers: [3526] 3526,97 unequal: No Solution Exploring Operation: 86-41=45, Resulting Numbers: [45] 45,97 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: 97:[94, 94], Operations: ['15*8=120', '120-26=94'] Exploring Operation: 94+94=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 94/94=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 94-94=0, Resulting Numbers: [0] 0,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[120, 120], Operations: ['15*8=120', '26+94=120'] Exploring Operation: 120-120=0, Resulting Numbers: [0] 0,97 unequal: No Solution Exploring Operation: 120/120=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 120+120=240, Resulting Numbers: [240] 240,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[94, 49], Operations: ['26+8=34', '15+34=49'] Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,97 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[120, 68], Operations: ['15*8=120', '94-26=68'] Exploring Operation: 120*68=8160, Resulting Numbers: [8160] 8160,97 unequal: No Solution Exploring Operation: 120+68=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 120-68=52, Resulting Numbers: [52] 52,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[34, 109], Operations: ['26+8=34', '15+94=109'] Exploring Operation: 34*109=3706, Resulting Numbers: [3706] 3706,97 unequal: No Solution Exploring Operation: 109-34=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 34+109=143, Resulting Numbers: [143] 143,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[34, 79], Operations: ['26+8=34', '94-15=79'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 34+79=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 34*79=2686, Resulting Numbers: [2686] 2686,97 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 90, 1, 75, 93 ]
78
[ "90*1=90", "75+93=168", "168-90=78" ]
Current State: 78:[90, 1, 75, 93], Operations: [] Exploring Operation: 90*1=90, Resulting Numbers: [75, 93, 90] Generated Node #2: [75, 93, 90] from Operation: 90*1=90 Current State: 78:[75, 93, 90], Operations: ['90*1=90'] Exploring Operation: 75+93=168, Resulting Numbers: [90, 168] Generated Node #3: [90, 168] from Operation: 75+93=168 Current State: 78:[90, 168], Operations: ['90*1=90', '75+93=168'] Exploring Operation: 168-90=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[90, 1, 75, 93], Operations: [] Exploring Operation: 90-1=89, Resulting Numbers: [75, 93, 89] Generated Node #0,0: 78:[75, 93, 89] Operation: 90-1=89 Exploring Operation: 90-75=15, Resulting Numbers: [1, 93, 15] Generated Node #0,1: 78:[1, 93, 15] Operation: 90-75=15 Exploring Operation: 93-75=18, Resulting Numbers: [90, 1, 18] Generated Node #0,2: 78:[90, 1, 18] Operation: 93-75=18 Exploring Operation: 93-90=3, Resulting Numbers: [1, 75, 3] Generated Node #0,3: 78:[1, 75, 3] Operation: 93-90=3 Moving to Node #0,3 Current State: 78:[1, 75, 3], Operations: ['93-90=3'] Exploring Operation: 1*75=75, Resulting Numbers: [3, 75] Generated Node #0,3,0: 78:[3, 75] Operation: 1*75=75 Exploring Operation: 75+3=78, Resulting Numbers: [1, 78] Generated Node #0,3,1: 78:[1, 78] Operation: 75+3=78 Exploring Operation: 1+75=76, Resulting Numbers: [3, 76] Generated Node #0,3,2: 78:[3, 76] Operation: 1+75=76 Exploring Operation: 75/3=25, Resulting Numbers: [1, 25] Generated Node #0,3,3: 78:[1, 25] Operation: 75/3=25 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[1, 78], Operations: ['93-90=3', '75+3=78'] Exploring Operation: 1*78=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[90, 1, 75, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [1, 75, 3] Generated Node #0,3: 78:[1, 75, 3] Operation: 93-90=3 Moving to Node #0,3 Current State: 78:[1, 75, 3], Operations: ['93-90=3'] Exploring Operation: 75+3=78, Resulting Numbers: [1, 78] Generated Node #0,3,1: 78:[1, 78] Operation: 75+3=78 Moving to Node #0,3,1 Current State: 78:[1, 78], Operations: ['93-90=3', '75+3=78'] Exploring Operation: 1*78=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 17, 89, 40, 31 ]
97
[ "17+89=106", "40-31=9", "106-9=97" ]
Current State: 97:[17, 89, 40, 31], Operations: [] Exploring Operation: 17+89=106, Resulting Numbers: [40, 31, 106] Generated Node #2: [40, 31, 106] from Operation: 17+89=106 Current State: 97:[40, 31, 106], Operations: ['17+89=106'] Exploring Operation: 40-31=9, Resulting Numbers: [106, 9] Generated Node #3: [106, 9] from Operation: 40-31=9 Current State: 97:[106, 9], Operations: ['17+89=106', '40-31=9'] Exploring Operation: 106-9=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[17, 89, 40, 31], Operations: [] Exploring Operation: 17+40=57, Resulting Numbers: [89, 31, 57] Generated Node #0,0: 97:[89, 31, 57] Operation: 17+40=57 Exploring Operation: 40+31=71, Resulting Numbers: [17, 89, 71] Generated Node #0,1: 97:[17, 89, 71] Operation: 40+31=71 Exploring Operation: 17+31=48, Resulting Numbers: [89, 40, 48] Generated Node #0,2: 97:[89, 40, 48] Operation: 17+31=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[89, 31, 57], Operations: ['17+40=57'] Exploring Operation: 89-31=58, Resulting Numbers: [57, 58] Generated Node #0,0,0: 97:[57, 58] Operation: 89-31=58 Exploring Operation: 89+31=120, Resulting Numbers: [57, 120] Generated Node #0,0,1: 97:[57, 120] Operation: 89+31=120 Exploring Operation: 31+57=88, Resulting Numbers: [89, 88] Generated Node #0,0,2: 97:[89, 88] Operation: 31+57=88 Moving to Node #0,0,2 Current State: 97:[89, 88], Operations: ['17+40=57', '31+57=88'] Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 89*88=7832, Resulting Numbers: [7832] 7832,97 unequal: No Solution Exploring Operation: 89+88=177, Resulting Numbers: [177] 177,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[57, 120], Operations: ['17+40=57', '89+31=120'] Exploring Operation: 57*120=6840, Resulting Numbers: [6840] 6840,97 unequal: No Solution Exploring Operation: 57+120=177, Resulting Numbers: [177] 177,97 unequal: No Solution Exploring Operation: 120-57=63, Resulting Numbers: [63] 63,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[57, 58], Operations: ['17+40=57', '89-31=58'] Exploring Operation: 57+58=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 57*58=3306, Resulting Numbers: [3306] 3306,97 unequal: No Solution Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,97 unequal: No Solution No 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: 97:[17, 89, 71], Operations: ['40+31=71'] Exploring Operation: 89-17=72, Resulting Numbers: [71, 72] Generated Node #0,1,0: 97:[71, 72] Operation: 89-17=72 Exploring Operation: 17+89=106, Resulting Numbers: [71, 106] Generated Node #0,1,1: 97:[71, 106] Operation: 17+89=106 Exploring Operation: 17+71=88, Resulting Numbers: [89, 88] Generated Node #0,1,2: 97:[89, 88] Operation: 17+71=88 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[89, 88], Operations: ['40+31=71', '17+71=88'] Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 89+88=177, Resulting Numbers: [177] 177,97 unequal: No Solution Exploring Operation: 89*88=7832, Resulting Numbers: [7832] 7832,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[71, 106], Operations: ['40+31=71', '17+89=106'] Exploring Operation: 106-71=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 71+106=177, Resulting Numbers: [177] 177,97 unequal: No Solution Exploring Operation: 71*106=7526, Resulting Numbers: [7526] 7526,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[71, 72], Operations: ['40+31=71', '89-17=72'] Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 71*72=5112, Resulting Numbers: [5112] 5112,97 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: 97:[89, 40, 48], Operations: ['17+31=48'] Exploring Operation: 40+48=88, Resulting Numbers: [89, 88] Generated Node #0,2,0: 97:[89, 88] Operation: 40+48=88 Exploring Operation: 89+40=129, Resulting Numbers: [48, 129] Generated Node #0,2,1: 97:[48, 129] Operation: 89+40=129 Exploring Operation: 89-40=49, Resulting Numbers: [48, 49] Generated Node #0,2,2: 97:[48, 49] Operation: 89-40=49 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[89, 88], Operations: ['17+31=48', '40+48=88'] Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 89+88=177, Resulting Numbers: [177] 177,97 unequal: No Solution Exploring Operation: 89*88=7832, Resulting Numbers: [7832] 7832,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[48, 129], Operations: ['17+31=48', '89+40=129'] Exploring Operation: 48+129=177, Resulting Numbers: [177] 177,97 unequal: No Solution Exploring Operation: 48*129=6192, Resulting Numbers: [6192] 6192,97 unequal: No Solution Exploring Operation: 129-48=81, Resulting Numbers: [81] 81,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[48, 49], Operations: ['17+31=48', '89-40=49'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,97 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[17, 89, 40, 31], Operations: [] Exploring Operation: 17+31=48, Resulting Numbers: [89, 40, 48] Generated Node #0,2: 97:[89, 40, 48] Operation: 17+31=48 Moving to Node #0,2 Current State: 97:[89, 40, 48], Operations: ['17+31=48'] Exploring Operation: 89-40=49, Resulting Numbers: [48, 49] Generated Node #0,2,2: 97:[48, 49] Operation: 89-40=49 Moving to Node #0,2,2 Current State: 97:[48, 49], Operations: ['17+31=48', '89-40=49'] Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_3
sum_heuristic
[ 20, 32, 94, 2 ]
10
[ "20+32=52", "2*52=104", "104-94=10" ]
Current State: 10:[20, 32, 94, 2], Operations: [] Exploring Operation: 20+32=52, Resulting Numbers: [94, 2, 52] Generated Node #2: [94, 2, 52] from Operation: 20+32=52 Current State: 10:[94, 2, 52], Operations: ['20+32=52'] Exploring Operation: 2*52=104, Resulting Numbers: [94, 104] Generated Node #3: [94, 104] from Operation: 2*52=104 Current State: 10:[94, 104], Operations: ['20+32=52', '2*52=104'] Exploring Operation: 104-94=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[20, 32, 94, 2], Operations: [] Exploring Operation: 32-20=12, Resulting Numbers: [94, 2, 12] Generated Node #0,0: 10:[94, 2, 12] Operation: 32-20=12 Exploring Operation: 94/2=47, Resulting Numbers: [20, 32, 47] Generated Node #0,1: 10:[20, 32, 47] Operation: 94/2=47 Exploring Operation: 94-20=74, Resulting Numbers: [32, 2, 74] Generated Node #0,2: 10:[32, 2, 74] Operation: 94-20=74 Exploring Operation: 94-32=62, Resulting Numbers: [20, 2, 62] Generated Node #0,3: 10:[20, 2, 62] Operation: 94-32=62 Moving to Node #0,3 Current State: 10:[20, 2, 62], Operations: ['94-32=62'] Exploring Operation: 20-2=18, Resulting Numbers: [62, 18] Generated Node #0,3,0: 10:[62, 18] Operation: 20-2=18 Exploring Operation: 20/2=10, Resulting Numbers: [62, 10] Generated Node #0,3,1: 10:[62, 10] Operation: 20/2=10 Exploring Operation: 62/2=31, Resulting Numbers: [20, 31] Generated Node #0,3,2: 10:[20, 31] Operation: 62/2=31 Exploring Operation: 62-20=42, Resulting Numbers: [2, 42] Generated Node #0,3,3: 10:[2, 42] Operation: 62-20=42 Moving to Node #0,1 Current State: 10:[20, 32, 47], Operations: ['94/2=47'] Exploring Operation: 32-20=12, Resulting Numbers: [47, 12] Generated Node #0,1,0: 10:[47, 12] Operation: 32-20=12 Exploring Operation: 47-20=27, Resulting Numbers: [32, 27] Generated Node #0,1,1: 10:[32, 27] Operation: 47-20=27 Exploring Operation: 20+32=52, Resulting Numbers: [47, 52] Generated Node #0,1,2: 10:[47, 52] Operation: 20+32=52 Exploring Operation: 47-32=15, Resulting Numbers: [20, 15] Generated Node #0,1,3: 10:[20, 15] Operation: 47-32=15 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[20, 15], Operations: ['94/2=47', '47-32=15'] Exploring Operation: 20*15=300, Resulting Numbers: [300] 300,10 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 20+15=35, Resulting Numbers: [35] 35,10 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:[47, 12], Operations: ['94/2=47', '32-20=12'] Exploring Operation: 47+12=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 47*12=564, Resulting Numbers: [564] 564,10 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:[32, 27], Operations: ['94/2=47', '47-20=27'] Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,10 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,10 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 #0,1,2 Current State: 10:[47, 52], Operations: ['94/2=47', '20+32=52'] Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,10 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,10 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,10 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:[32, 2, 74], Operations: ['94-20=74'] Exploring Operation: 32/2=16, Resulting Numbers: [74, 16] Generated Node #0,2,0: 10:[74, 16] Operation: 32/2=16 Exploring Operation: 32-2=30, Resulting Numbers: [74, 30] Generated Node #0,2,1: 10:[74, 30] Operation: 32-2=30 Exploring Operation: 74/2=37, Resulting Numbers: [32, 37] Generated Node #0,2,2: 10:[32, 37] Operation: 74/2=37 Exploring Operation: 74-32=42, Resulting Numbers: [2, 42] Generated Node #0,2,3: 10:[2, 42] Operation: 74-32=42 Moving to Node #0,0 Current State: 10:[94, 2, 12], Operations: ['32-20=12'] Exploring Operation: 12-2=10, Resulting Numbers: [94, 10] Generated Node #0,0,0: 10:[94, 10] Operation: 12-2=10 Exploring Operation: 94/2=47, Resulting Numbers: [12, 47] Generated Node #0,0,1: 10:[12, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [12, 92] Generated Node #0,0,2: 10:[12, 92] Operation: 94-2=92 Exploring Operation: 94-12=82, Resulting Numbers: [2, 82] Generated Node #0,0,3: 10:[2, 82] Operation: 94-12=82 Moving to Node #0,3,2 Current State: 10:[20, 31], Operations: ['94-32=62', '62/2=31'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,10 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[2, 42], Operations: ['94-32=62', '62-20=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[2, 42], Operations: ['94-20=74', '74-32=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[12, 47], Operations: ['32-20=12', '94/2=47'] Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,10 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[32, 37], Operations: ['94-20=74', '74/2=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,10 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[62, 10], Operations: ['94-32=62', '20/2=10'] Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,10 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[62, 18], Operations: ['94-32=62', '20-2=18'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[74, 16], Operations: ['94-20=74', '32/2=16'] Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,10 unequal: No Solution Exploring Operation: 74*16=1184, Resulting Numbers: [1184] 1184,10 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[2, 82], Operations: ['32-20=12', '94-12=82'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,10 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[12, 92], Operations: ['32-20=12', '94-2=92'] Exploring Operation: 12*92=1104, Resulting Numbers: [1104] 1104,10 unequal: No Solution Exploring Operation: 12+92=104, Resulting Numbers: [104] 104,10 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[94, 10], Operations: ['32-20=12', '12-2=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,10 unequal: No Solution Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[74, 30], Operations: ['94-20=74', '32-2=30'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 74*30=2220, Resulting Numbers: [2220] 2220,10 unequal: No Solution Exploring Operation: 74+30=104, Resulting Numbers: [104] 104,10 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 20, 34, 67, 19 ]
100
[ "34-20=14", "67+19=86", "14+86=100" ]
Current State: 100:[20, 34, 67, 19], Operations: [] Exploring Operation: 34-20=14, Resulting Numbers: [67, 19, 14] Generated Node #2: [67, 19, 14] from Operation: 34-20=14 Current State: 100:[67, 19, 14], Operations: ['34-20=14'] Exploring Operation: 67+19=86, Resulting Numbers: [14, 86] Generated Node #3: [14, 86] from Operation: 67+19=86 Current State: 100:[14, 86], Operations: ['34-20=14', '67+19=86'] Exploring Operation: 14+86=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[20, 34, 67, 19], Operations: [] Exploring Operation: 67-34=33, Resulting Numbers: [20, 19, 33] Generated Node #0,0: 100:[20, 19, 33] Operation: 67-34=33 Exploring Operation: 67-20=47, Resulting Numbers: [34, 19, 47] Generated Node #0,1: 100:[34, 19, 47] Operation: 67-20=47 Exploring Operation: 34+67=101, Resulting Numbers: [20, 19, 101] Generated Node #0,2: 100:[20, 19, 101] Operation: 34+67=101 Exploring Operation: 67-19=48, Resulting Numbers: [20, 34, 48] Generated Node #0,3: 100:[20, 34, 48] Operation: 67-19=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[20, 19, 101], Operations: ['34+67=101'] Exploring Operation: 101-20=81, Resulting Numbers: [19, 81] Generated Node #0,2,0: 100:[19, 81] Operation: 101-20=81 Exploring Operation: 20+19=39, Resulting Numbers: [101, 39] Generated Node #0,2,1: 100:[101, 39] Operation: 20+19=39 Exploring Operation: 101-19=82, Resulting Numbers: [20, 82] Generated Node #0,2,2: 100:[20, 82] Operation: 101-19=82 Exploring Operation: 20-19=1, Resulting Numbers: [101, 1] Generated Node #0,2,3: 100:[101, 1] Operation: 20-19=1 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[101, 1], Operations: ['34+67=101', '20-19=1'] Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[20, 34, 67, 19], Operations: [] Exploring Operation: 34+67=101, Resulting Numbers: [20, 19, 101] Generated Node #0,2: 100:[20, 19, 101] Operation: 34+67=101 Moving to Node #0,2 Current State: 100:[20, 19, 101], Operations: ['34+67=101'] Exploring Operation: 20-19=1, Resulting Numbers: [101, 1] Generated Node #0,2,3: 100:[101, 1] Operation: 20-19=1 Moving to Node #0,2,3 Current State: 100:[101, 1], Operations: ['34+67=101', '20-19=1'] Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 36, 2, 4, 36 ]
72
[ "36*2=72", "4*36=144", "144-72=72" ]
Current State: 72:[36, 2, 4, 36], Operations: [] Exploring Operation: 36*2=72, Resulting Numbers: [4, 72] Generated Node #2: [4, 72] from Operation: 36*2=72 Current State: 72:[4, 72], Operations: ['36*2=72'] Exploring Operation: 4*36=144, Resulting Numbers: [72, 144] Generated Node #3: [72, 144] from Operation: 4*36=144 Current State: 72:[72, 144], Operations: ['36*2=72', '4*36=144'] Exploring Operation: 144-72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[36, 2, 4, 36], Operations: [] Exploring Operation: 36*2=72, Resulting Numbers: [4, 36, 72] Generated Node #0,0: 72:[4, 36, 72] Operation: 36*2=72 Exploring Operation: 36/2=18, Resulting Numbers: [4, 36, 18] Generated Node #0,1: 72:[4, 36, 18] Operation: 36/2=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[4, 36, 72], Operations: ['36*2=72'] Exploring Operation: 72/4=18, Resulting Numbers: [36, 18] Generated Node #0,0,0: 72:[36, 18] Operation: 72/4=18 Exploring Operation: 36/4=9, Resulting Numbers: [72, 9] Generated Node #0,0,1: 72:[72, 9] Operation: 36/4=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[36, 18], Operations: ['36*2=72', '72/4=18'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[72, 9], Operations: ['36*2=72', '36/4=9'] Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[4, 36, 18], Operations: ['36/2=18'] Exploring Operation: 4*18=72, Resulting Numbers: [36, 72] Generated Node #0,1,0: 72:[36, 72] Operation: 4*18=72 Exploring Operation: 36/4=9, Resulting Numbers: [18, 9] Generated Node #0,1,1: 72:[18, 9] Operation: 36/4=9 Moving to Node #0,1,0 Current State: 72:[36, 72], Operations: ['36/2=18', '4*18=72'] Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[18, 9], Operations: ['36/2=18', '36/4=9'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 34, 85, 91, 46 ]
96
[ "85-34=51", "91-46=45", "51+45=96" ]
Current State: 96:[34, 85, 91, 46], Operations: [] Exploring Operation: 85-34=51, Resulting Numbers: [91, 46, 51] Generated Node #2: [91, 46, 51] from Operation: 85-34=51 Current State: 96:[91, 46, 51], Operations: ['85-34=51'] Exploring Operation: 91-46=45, Resulting Numbers: [51, 45] Generated Node #3: [51, 45] from Operation: 91-46=45 Current State: 96:[51, 45], Operations: ['85-34=51', '91-46=45'] Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[34, 85, 91, 46], Operations: [] Exploring Operation: 91-85=6, Resulting Numbers: [34, 46, 6] Generated Node #0,0: 96:[34, 46, 6] Operation: 91-85=6 Exploring Operation: 46-34=12, Resulting Numbers: [85, 91, 12] Generated Node #0,1: 96:[85, 91, 12] Operation: 46-34=12 Exploring Operation: 85-34=51, Resulting Numbers: [91, 46, 51] Generated Node #0,2: 96:[91, 46, 51] Operation: 85-34=51 Exploring Operation: 85-46=39, Resulting Numbers: [34, 91, 39] Generated Node #0,3: 96:[34, 91, 39] Operation: 85-46=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[34, 46, 6], Operations: ['91-85=6'] Exploring Operation: 34+6=40, Resulting Numbers: [46, 40] Generated Node #0,0,0: 96:[46, 40] Operation: 34+6=40 Exploring Operation: 46-34=12, Resulting Numbers: [6, 12] Generated Node #0,0,1: 96:[6, 12] Operation: 46-34=12 Exploring Operation: 34-6=28, Resulting Numbers: [46, 28] Generated Node #0,0,2: 96:[46, 28] Operation: 34-6=28 Exploring Operation: 46+6=52, Resulting Numbers: [34, 52] Generated Node #0,0,3: 96:[34, 52] Operation: 46+6=52 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[6, 12], Operations: ['91-85=6', '46-34=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,96 unequal: No Solution No 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: 96:[46, 28], Operations: ['91-85=6', '34-6=28'] Exploring Operation: 46+28=74, Resulting Numbers: [74] 74,96 unequal: No Solution Exploring Operation: 46*28=1288, Resulting Numbers: [1288] 1288,96 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,96 unequal: No Solution No 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: 96:[34, 52], Operations: ['91-85=6', '46+6=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,96 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,96 unequal: No Solution No 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: 96:[46, 40], Operations: ['91-85=6', '34+6=40'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 46*40=1840, Resulting Numbers: [1840] 1840,96 unequal: No Solution Exploring Operation: 46+40=86, Resulting Numbers: [86] 86,96 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: 96:[91, 46, 51], Operations: ['85-34=51'] Exploring Operation: 51-46=5, Resulting Numbers: [91, 5] Generated Node #0,2,0: 96:[91, 5] Operation: 51-46=5 Exploring Operation: 91-46=45, Resulting Numbers: [51, 45] Generated Node #0,2,1: 96:[51, 45] Operation: 91-46=45 Exploring Operation: 46+51=97, Resulting Numbers: [91, 97] Generated Node #0,2,2: 96:[91, 97] Operation: 46+51=97 Exploring Operation: 91-51=40, Resulting Numbers: [46, 40] Generated Node #0,2,3: 96:[46, 40] Operation: 91-51=40 Moving to Node #0,2,0 Current State: 96:[91, 5], Operations: ['85-34=51', '51-46=5'] Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,96 unequal: No Solution Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[34, 85, 91, 46], Operations: [] Exploring Operation: 85-34=51, Resulting Numbers: [91, 46, 51] Generated Node #0,2: 96:[91, 46, 51] Operation: 85-34=51 Moving to Node #0,2 Current State: 96:[91, 46, 51], Operations: ['85-34=51'] Exploring Operation: 51-46=5, Resulting Numbers: [91, 5] Generated Node #0,2,0: 96:[91, 5] Operation: 51-46=5 Moving to Node #0,2,0 Current State: 96:[91, 5], Operations: ['85-34=51', '51-46=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 62, 13, 92, 25 ]
95
[ "62+13=75", "75/25=3", "92+3=95" ]
Current State: 95:[62, 13, 92, 25], Operations: [] Exploring Operation: 62+13=75, Resulting Numbers: [92, 25, 75] Generated Node #2: [92, 25, 75] from Operation: 62+13=75 Current State: 95:[92, 25, 75], Operations: ['62+13=75'] Exploring Operation: 75/25=3, Resulting Numbers: [92, 3] Generated Node #3: [92, 3] from Operation: 75/25=3 Current State: 95:[92, 3], Operations: ['62+13=75', '75/25=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[62, 13, 92, 25], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [13, 92, 37] Generated Node #0,0: 95:[13, 92, 37] Operation: 62-25=37 Exploring Operation: 62-13=49, Resulting Numbers: [92, 25, 49] Generated Node #0,1: 95:[92, 25, 49] Operation: 62-13=49 Exploring Operation: 92-62=30, Resulting Numbers: [13, 25, 30] Generated Node #0,2: 95:[13, 25, 30] Operation: 92-62=30 Exploring Operation: 62+25=87, Resulting Numbers: [13, 92, 87] Generated Node #0,3: 95:[13, 92, 87] Operation: 62+25=87 Exploring Operation: 62+13=75, Resulting Numbers: [92, 25, 75] Generated Node #0,4: 95:[92, 25, 75] Operation: 62+13=75 Moving to Node #0,3 Current State: 95:[13, 92, 87], Operations: ['62+25=87'] Exploring Operation: 87-13=74, Resulting Numbers: [92, 74] Generated Node #0,3,0: 95:[92, 74] Operation: 87-13=74 Exploring Operation: 13+92=105, Resulting Numbers: [87, 105] Generated Node #0,3,1: 95:[87, 105] Operation: 13+92=105 Exploring Operation: 92-87=5, Resulting Numbers: [13, 5] Generated Node #0,3,2: 95:[13, 5] Operation: 92-87=5 Exploring Operation: 92-13=79, Resulting Numbers: [87, 79] Generated Node #0,3,3: 95:[87, 79] Operation: 92-13=79 Exploring Operation: 13+87=100, Resulting Numbers: [92, 100] Generated Node #0,3,4: 95:[92, 100] Operation: 13+87=100 Moving to Node #0,2 Current State: 95:[13, 25, 30], Operations: ['92-62=30'] Exploring Operation: 25-13=12, Resulting Numbers: [30, 12] Generated Node #0,2,0: 95:[30, 12] Operation: 25-13=12 Exploring Operation: 13+25=38, Resulting Numbers: [30, 38] Generated Node #0,2,1: 95:[30, 38] Operation: 13+25=38 Exploring Operation: 13+30=43, Resulting Numbers: [25, 43] Generated Node #0,2,2: 95:[25, 43] Operation: 13+30=43 Exploring Operation: 30-13=17, Resulting Numbers: [25, 17] Generated Node #0,2,3: 95:[25, 17] Operation: 30-13=17 Exploring Operation: 30-25=5, Resulting Numbers: [13, 5] Generated Node #0,2,4: 95:[13, 5] Operation: 30-25=5 Moving to Node #0,0 Current State: 95:[13, 92, 37], Operations: ['62-25=37'] Exploring Operation: 92+37=129, Resulting Numbers: [13, 129] Generated Node #0,0,0: 95:[13, 129] Operation: 92+37=129 Exploring Operation: 92-13=79, Resulting Numbers: [37, 79] Generated Node #0,0,1: 95:[37, 79] Operation: 92-13=79 Exploring Operation: 13+92=105, Resulting Numbers: [37, 105] Generated Node #0,0,2: 95:[37, 105] Operation: 13+92=105 Exploring Operation: 13+37=50, Resulting Numbers: [92, 50] Generated Node #0,0,3: 95:[92, 50] Operation: 13+37=50 Exploring Operation: 37-13=24, Resulting Numbers: [92, 24] Generated Node #0,0,4: 95:[92, 24] Operation: 37-13=24 Moving to Node #0,4 Current State: 95:[92, 25, 75], Operations: ['62+13=75'] Exploring Operation: 92+25=117, Resulting Numbers: [75, 117] Generated Node #0,4,0: 95:[75, 117] Operation: 92+25=117 Exploring Operation: 75/25=3, Resulting Numbers: [92, 3] Generated Node #0,4,1: 95:[92, 3] Operation: 75/25=3 Exploring Operation: 25+75=100, Resulting Numbers: [92, 100] Generated Node #0,4,2: 95:[92, 100] Operation: 25+75=100 Exploring Operation: 75-25=50, Resulting Numbers: [92, 50] Generated Node #0,4,3: 95:[92, 50] Operation: 75-25=50 Exploring Operation: 92-75=17, Resulting Numbers: [25, 17] Generated Node #0,4,4: 95:[25, 17] Operation: 92-75=17 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 95:[92, 3], Operations: ['62+13=75', '75/25=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[62, 13, 92, 25], Operations: [] Exploring Operation: 62+13=75, Resulting Numbers: [92, 25, 75] Generated Node #0,4: 95:[92, 25, 75] Operation: 62+13=75 Moving to Node #0,4 Current State: 95:[92, 25, 75], Operations: ['62+13=75'] Exploring Operation: 75/25=3, Resulting Numbers: [92, 3] Generated Node #0,4,1: 95:[92, 3] Operation: 75/25=3 Moving to Node #0,4,1 Current State: 95:[92, 3], Operations: ['62+13=75', '75/25=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
sum_heuristic
[ 28, 24, 1, 32 ]
22
[ "28*24=672", "672/32=21", "1+21=22" ]
Current State: 22:[28, 24, 1, 32], Operations: [] Exploring Operation: 28*24=672, Resulting Numbers: [1, 32, 672] Generated Node #2: [1, 32, 672] from Operation: 28*24=672 Current State: 22:[1, 32, 672], Operations: ['28*24=672'] Exploring Operation: 672/32=21, Resulting Numbers: [1, 21] Generated Node #3: [1, 21] from Operation: 672/32=21 Current State: 22:[1, 21], Operations: ['28*24=672', '672/32=21'] Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[28, 24, 1, 32], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [24, 1, 4] Generated Node #0,0: 22:[24, 1, 4] Operation: 32-28=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[24, 1, 4], Operations: ['32-28=4'] Exploring Operation: 24-1=23, Resulting Numbers: [4, 23] Generated Node #0,0,0: 22:[4, 23] Operation: 24-1=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[4, 23], Operations: ['32-28=4', '24-1=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 51, 55, 90, 74 ]
90
[ "51+55=106", "90-74=16", "106-16=90" ]
Current State: 90:[51, 55, 90, 74], Operations: [] Exploring Operation: 51+55=106, Resulting Numbers: [90, 74, 106] Generated Node #2: [90, 74, 106] from Operation: 51+55=106 Current State: 90:[90, 74, 106], Operations: ['51+55=106'] Exploring Operation: 90-74=16, Resulting Numbers: [106, 16] Generated Node #3: [106, 16] from Operation: 90-74=16 Current State: 90:[106, 16], Operations: ['51+55=106', '90-74=16'] Exploring Operation: 106-16=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[51, 55, 90, 74], Operations: [] Exploring Operation: 74-55=19, Resulting Numbers: [51, 90, 19] Generated Node #0,0: 90:[51, 90, 19] Operation: 74-55=19 Moving to Node #0,0 Current State: 90:[51, 90, 19], Operations: ['74-55=19'] Exploring Operation: 51-19=32, Resulting Numbers: [90, 32] Generated Node #0,0,0: 90:[90, 32] Operation: 51-19=32 Moving to Node #0,0,0 Current State: 90:[90, 32], Operations: ['74-55=19', '51-19=32'] Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,90 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 13, 31, 12, 80 ]
48
[ "13+31=44", "12+80=92", "92-44=48" ]
Current State: 48:[13, 31, 12, 80], Operations: [] Exploring Operation: 13+31=44, Resulting Numbers: [12, 80, 44] Generated Node #2: [12, 80, 44] from Operation: 13+31=44 Current State: 48:[12, 80, 44], Operations: ['13+31=44'] Exploring Operation: 12+80=92, Resulting Numbers: [44, 92] Generated Node #3: [44, 92] from Operation: 12+80=92 Current State: 48:[44, 92], Operations: ['13+31=44', '12+80=92'] Exploring Operation: 92-44=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[13, 31, 12, 80], Operations: [] Exploring Operation: 80-31=49, Resulting Numbers: [13, 12, 49] Generated Node #0,0: 48:[13, 12, 49] Operation: 80-31=49 Exploring Operation: 13+31=44, Resulting Numbers: [12, 80, 44] Generated Node #0,1: 48:[12, 80, 44] Operation: 13+31=44 Exploring Operation: 31-13=18, Resulting Numbers: [12, 80, 18] Generated Node #0,2: 48:[12, 80, 18] Operation: 31-13=18 Exploring Operation: 80-13=67, Resulting Numbers: [31, 12, 67] Generated Node #0,3: 48:[31, 12, 67] Operation: 80-13=67 Exploring Operation: 80-12=68, Resulting Numbers: [13, 31, 68] Generated Node #0,4: 48:[13, 31, 68] Operation: 80-12=68 Moving to Node #0,0 Current State: 48:[13, 12, 49], Operations: ['80-31=49'] Exploring Operation: 49-13=36, Resulting Numbers: [12, 36] Generated Node #0,0,0: 48:[12, 36] Operation: 49-13=36 Exploring Operation: 13-12=1, Resulting Numbers: [49, 1] Generated Node #0,0,1: 48:[49, 1] Operation: 13-12=1 Exploring Operation: 13+12=25, Resulting Numbers: [49, 25] Generated Node #0,0,2: 48:[49, 25] Operation: 13+12=25 Exploring Operation: 13+49=62, Resulting Numbers: [12, 62] Generated Node #0,0,3: 48:[12, 62] Operation: 13+49=62 Exploring Operation: 49-12=37, Resulting Numbers: [13, 37] Generated Node #0,0,4: 48:[13, 37] Operation: 49-12=37 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[49, 1], Operations: ['80-31=49', '13-12=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[13, 31, 12, 80], Operations: [] Exploring Operation: 80-31=49, Resulting Numbers: [13, 12, 49] Generated Node #0,0: 48:[13, 12, 49] Operation: 80-31=49 Moving to Node #0,0 Current State: 48:[13, 12, 49], Operations: ['80-31=49'] Exploring Operation: 13-12=1, Resulting Numbers: [49, 1] Generated Node #0,0,1: 48:[49, 1] Operation: 13-12=1 Moving to Node #0,0,1 Current State: 48:[49, 1], Operations: ['80-31=49', '13-12=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 40, 38, 10, 14 ]
74
[ "40+38=78", "14-10=4", "78-4=74" ]
Current State: 74:[40, 38, 10, 14], Operations: [] Exploring Operation: 40+38=78, Resulting Numbers: [10, 14, 78] Generated Node #2: [10, 14, 78] from Operation: 40+38=78 Current State: 74:[10, 14, 78], Operations: ['40+38=78'] Exploring Operation: 14-10=4, Resulting Numbers: [78, 4] Generated Node #3: [78, 4] from Operation: 14-10=4 Current State: 74:[78, 4], Operations: ['40+38=78', '14-10=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[40, 38, 10, 14], Operations: [] Exploring Operation: 14-10=4, Resulting Numbers: [40, 38, 4] Generated Node #0,0: 74:[40, 38, 4] Operation: 14-10=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[40, 38, 4], Operations: ['14-10=4'] Exploring Operation: 40-38=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 74:[4, 2] Operation: 40-38=2 Moving to Node #0,0,0 Current State: 74:[4, 2], Operations: ['14-10=4', '40-38=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,74 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
[ 50, 69, 76, 45 ]
49
[ "69-50=19", "76/19=4", "45+4=49" ]
Current State: 49:[50, 69, 76, 45], Operations: [] Exploring Operation: 69-50=19, Resulting Numbers: [76, 45, 19] Generated Node #2: [76, 45, 19] from Operation: 69-50=19 Current State: 49:[76, 45, 19], Operations: ['69-50=19'] Exploring Operation: 76/19=4, Resulting Numbers: [45, 4] Generated Node #3: [45, 4] from Operation: 76/19=4 Current State: 49:[45, 4], Operations: ['69-50=19', '76/19=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[50, 69, 76, 45], Operations: [] Exploring Operation: 76-50=26, Resulting Numbers: [69, 45, 26] Generated Node #0,0: 49:[69, 45, 26] Operation: 76-50=26 Exploring Operation: 69-50=19, Resulting Numbers: [76, 45, 19] Generated Node #0,1: 49:[76, 45, 19] Operation: 69-50=19 Exploring Operation: 76-45=31, Resulting Numbers: [50, 69, 31] Generated Node #0,2: 49:[50, 69, 31] Operation: 76-45=31 Exploring Operation: 76-69=7, Resulting Numbers: [50, 45, 7] Generated Node #0,3: 49:[50, 45, 7] Operation: 76-69=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[50, 45, 7], Operations: ['76-69=7'] Exploring Operation: 50-45=5, Resulting Numbers: [7, 5] Generated Node #0,3,0: 49:[7, 5] Operation: 50-45=5 Exploring Operation: 50-7=43, Resulting Numbers: [45, 43] Generated Node #0,3,1: 49:[45, 43] Operation: 50-7=43 Exploring Operation: 45+7=52, Resulting Numbers: [50, 52] Generated Node #0,3,2: 49:[50, 52] Operation: 45+7=52 Exploring Operation: 50+7=57, Resulting Numbers: [45, 57] Generated Node #0,3,3: 49:[45, 57] Operation: 50+7=57 Moving to Node #0,3,0 Current State: 49:[7, 5], Operations: ['76-69=7', '50-45=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[50, 52], Operations: ['76-69=7', '45+7=52'] Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 50+52=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 50*52=2600, Resulting Numbers: [2600] 2600,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[45, 43], Operations: ['76-69=7', '50-7=43'] Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,49 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[45, 57], Operations: ['76-69=7', '50+7=57'] Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 45*57=2565, Resulting Numbers: [2565] 2565,49 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[50, 69, 31], Operations: ['76-45=31'] Exploring Operation: 50-31=19, Resulting Numbers: [69, 19] Generated Node #0,2,0: 49:[69, 19] Operation: 50-31=19 Exploring Operation: 69-50=19, Resulting Numbers: [31, 19] Generated Node #0,2,1: 49:[31, 19] Operation: 69-50=19 Exploring Operation: 50+31=81, Resulting Numbers: [69, 81] Generated Node #0,2,2: 49:[69, 81] Operation: 50+31=81 Exploring Operation: 69-31=38, Resulting Numbers: [50, 38] Generated Node #0,2,3: 49:[50, 38] Operation: 69-31=38 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 49:[50, 38], Operations: ['76-45=31', '69-31=38'] Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,49 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,49 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[31, 19], Operations: ['76-45=31', '69-50=19'] Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,49 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 49:[69, 19], Operations: ['76-45=31', '50-31=19'] Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,49 unequal: No Solution Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 49:[69, 81], Operations: ['76-45=31', '50+31=81'] Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 69+81=150, Resulting Numbers: [150] 150,49 unequal: No Solution Exploring Operation: 69*81=5589, Resulting Numbers: [5589] 5589,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[69, 45, 26], Operations: ['76-50=26'] Exploring Operation: 45-26=19, Resulting Numbers: [69, 19] Generated Node #0,0,0: 49:[69, 19] Operation: 45-26=19 Exploring Operation: 45+26=71, Resulting Numbers: [69, 71] Generated Node #0,0,1: 49:[69, 71] Operation: 45+26=71 Exploring Operation: 69-45=24, Resulting Numbers: [26, 24] Generated Node #0,0,2: 49:[26, 24] Operation: 69-45=24 Exploring Operation: 69-26=43, Resulting Numbers: [45, 43] Generated Node #0,0,3: 49:[45, 43] Operation: 69-26=43 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 49:[45, 43], Operations: ['76-50=26', '69-26=43'] Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,49 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[69, 19], Operations: ['76-50=26', '45-26=19'] Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,49 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[26, 24], Operations: ['76-50=26', '69-45=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,49 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[69, 71], Operations: ['76-50=26', '45+26=71'] Exploring Operation: 71-69=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 69+71=140, Resulting Numbers: [140] 140,49 unequal: No Solution Exploring Operation: 69*71=4899, Resulting Numbers: [4899] 4899,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[76, 45, 19], Operations: ['69-50=19'] Exploring Operation: 45+19=64, Resulting Numbers: [76, 64] Generated Node #0,1,0: 49:[76, 64] Operation: 45+19=64 Exploring Operation: 76/19=4, Resulting Numbers: [45, 4] Generated Node #0,1,1: 49:[45, 4] Operation: 76/19=4 Exploring Operation: 76-45=31, Resulting Numbers: [19, 31] Generated Node #0,1,2: 49:[19, 31] Operation: 76-45=31 Exploring Operation: 76-19=57, Resulting Numbers: [45, 57] Generated Node #0,1,3: 49:[45, 57] Operation: 76-19=57 Moving to Node #0,1,1 Current State: 49:[45, 4], Operations: ['69-50=19', '76/19=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,49 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[50, 69, 76, 45], Operations: [] Exploring Operation: 69-50=19, Resulting Numbers: [76, 45, 19] Generated Node #0,1: 49:[76, 45, 19] Operation: 69-50=19 Moving to Node #0,1 Current State: 49:[76, 45, 19], Operations: ['69-50=19'] Exploring Operation: 76/19=4, Resulting Numbers: [45, 4] Generated Node #0,1,1: 49:[45, 4] Operation: 76/19=4 Moving to Node #0,1,1 Current State: 49:[45, 4], Operations: ['69-50=19', '76/19=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_4
mult_heuristic
[ 83, 80, 6, 56 ]
54
[ "83-80=3", "6/3=2", "56-2=54" ]
Current State: 54:[83, 80, 6, 56], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [6, 56, 3] Generated Node #2: [6, 56, 3] from Operation: 83-80=3 Current State: 54:[6, 56, 3], Operations: ['83-80=3'] Exploring Operation: 6/3=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 6/3=2 Current State: 54:[56, 2], Operations: ['83-80=3', '6/3=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[83, 80, 6, 56], Operations: [] Exploring Operation: 83-6=77, Resulting Numbers: [80, 56, 77] Generated Node #0,0: 54:[80, 56, 77] Operation: 83-6=77 Exploring Operation: 80-6=74, Resulting Numbers: [83, 56, 74] Generated Node #0,1: 54:[83, 56, 74] Operation: 80-6=74 Exploring Operation: 83-56=27, Resulting Numbers: [80, 6, 27] Generated Node #0,2: 54:[80, 6, 27] Operation: 83-56=27 Exploring Operation: 80-56=24, Resulting Numbers: [83, 6, 24] Generated Node #0,3: 54:[83, 6, 24] Operation: 80-56=24 Exploring Operation: 83-80=3, Resulting Numbers: [6, 56, 3] Generated Node #0,4: 54:[6, 56, 3] Operation: 83-80=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[6, 56, 3], Operations: ['83-80=3'] Exploring Operation: 56-3=53, Resulting Numbers: [6, 53] Generated Node #0,4,0: 54:[6, 53] Operation: 56-3=53 Exploring Operation: 6/3=2, Resulting Numbers: [56, 2] Generated Node #0,4,1: 54:[56, 2] Operation: 6/3=2 Exploring Operation: 6+3=9, Resulting Numbers: [56, 9] Generated Node #0,4,2: 54:[56, 9] Operation: 6+3=9 Exploring Operation: 6*3=18, Resulting Numbers: [56, 18] Generated Node #0,4,3: 54:[56, 18] Operation: 6*3=18 Exploring Operation: 6-3=3, Resulting Numbers: [56, 3] Generated Node #0,4,4: 54:[56, 3] Operation: 6-3=3 Moving to Node #0,4,0 Current State: 54:[6, 53], Operations: ['83-80=3', '56-3=53'] Exploring Operation: 6*53=318, Resulting Numbers: [318] 318,54 unequal: No Solution Exploring Operation: 6+53=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,54 unequal: No Solution Moving to Node #0,4,2 Current State: 54:[56, 9], Operations: ['83-80=3', '6+3=9'] Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,54 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[56, 3], Operations: ['83-80=3', '6-3=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,54 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,54 unequal: No Solution Moving to Node #0,4,1 Current State: 54:[56, 2], Operations: ['83-80=3', '6/3=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,54 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[83, 80, 6, 56], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [6, 56, 3] Generated Node #0,4: 54:[6, 56, 3] Operation: 83-80=3 Moving to Node #0,4 Current State: 54:[6, 56, 3], Operations: ['83-80=3'] Exploring Operation: 6/3=2, Resulting Numbers: [56, 2] Generated Node #0,4,1: 54:[56, 2] Operation: 6/3=2 Moving to Node #0,4,1 Current State: 54:[56, 2], Operations: ['83-80=3', '6/3=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 90, 69, 36, 93 ]
81
[ "93-90=3", "36/3=12", "69+12=81" ]
Current State: 81:[90, 69, 36, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [69, 36, 3] Generated Node #2: [69, 36, 3] from Operation: 93-90=3 Current State: 81:[69, 36, 3], Operations: ['93-90=3'] Exploring Operation: 36/3=12, Resulting Numbers: [69, 12] Generated Node #3: [69, 12] from Operation: 36/3=12 Current State: 81:[69, 12], Operations: ['93-90=3', '36/3=12'] Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[90, 69, 36, 93], Operations: [] Exploring Operation: 69-36=33, Resulting Numbers: [90, 93, 33] Generated Node #0,0: 81:[90, 93, 33] Operation: 69-36=33 Exploring Operation: 90-69=21, Resulting Numbers: [36, 93, 21] Generated Node #0,1: 81:[36, 93, 21] Operation: 90-69=21 Exploring Operation: 93-90=3, Resulting Numbers: [69, 36, 3] Generated Node #0,2: 81:[69, 36, 3] Operation: 93-90=3 Exploring Operation: 93-69=24, Resulting Numbers: [90, 36, 24] Generated Node #0,3: 81:[90, 36, 24] Operation: 93-69=24 Moving to Node #0,2 Current State: 81:[69, 36, 3], Operations: ['93-90=3'] Exploring Operation: 69/3=23, Resulting Numbers: [36, 23] Generated Node #0,2,0: 81:[36, 23] Operation: 69/3=23 Exploring Operation: 69+3=72, Resulting Numbers: [36, 72] Generated Node #0,2,1: 81:[36, 72] Operation: 69+3=72 Exploring Operation: 69-36=33, Resulting Numbers: [3, 33] Generated Node #0,2,2: 81:[3, 33] Operation: 69-36=33 Exploring Operation: 36/3=12, Resulting Numbers: [69, 12] Generated Node #0,2,3: 81:[69, 12] Operation: 36/3=12 Moving to Node #0,3 Current State: 81:[90, 36, 24], Operations: ['93-69=24'] Exploring Operation: 90-36=54, Resulting Numbers: [24, 54] Generated Node #0,3,0: 81:[24, 54] Operation: 90-36=54 Exploring Operation: 36+24=60, Resulting Numbers: [90, 60] Generated Node #0,3,1: 81:[90, 60] Operation: 36+24=60 Exploring Operation: 90-24=66, Resulting Numbers: [36, 66] Generated Node #0,3,2: 81:[36, 66] Operation: 90-24=66 Exploring Operation: 36-24=12, Resulting Numbers: [90, 12] Generated Node #0,3,3: 81:[90, 12] Operation: 36-24=12 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[90, 12], Operations: ['93-69=24', '36-24=12'] Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,81 unequal: No Solution Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,81 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[36, 66], Operations: ['93-69=24', '90-24=66'] Exploring Operation: 36+66=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 36*66=2376, Resulting Numbers: [2376] 2376,81 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 81:[24, 54], Operations: ['93-69=24', '90-36=54'] Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,81 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 81:[90, 60], Operations: ['93-69=24', '36+24=60'] Exploring Operation: 90*60=5400, Resulting Numbers: [5400] 5400,81 unequal: No Solution Exploring Operation: 90+60=150, Resulting Numbers: [150] 150,81 unequal: No Solution Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 81:[36, 93, 21], Operations: ['90-69=21'] Exploring Operation: 93-21=72, Resulting Numbers: [36, 72] Generated Node #0,1,0: 81:[36, 72] Operation: 93-21=72 Exploring Operation: 36+21=57, Resulting Numbers: [93, 57] Generated Node #0,1,1: 81:[93, 57] Operation: 36+21=57 Exploring Operation: 93-36=57, Resulting Numbers: [21, 57] Generated Node #0,1,2: 81:[21, 57] Operation: 93-36=57 Exploring Operation: 36-21=15, Resulting Numbers: [93, 15] Generated Node #0,1,3: 81:[93, 15] Operation: 36-21=15 Moving to Node #0,0 Current State: 81:[90, 93, 33], Operations: ['69-36=33'] Exploring Operation: 90+33=123, Resulting Numbers: [93, 123] Generated Node #0,0,0: 81:[93, 123] Operation: 90+33=123 Exploring Operation: 93-33=60, Resulting Numbers: [90, 60] Generated Node #0,0,1: 81:[90, 60] Operation: 93-33=60 Exploring Operation: 90-33=57, Resulting Numbers: [93, 57] Generated Node #0,0,2: 81:[93, 57] Operation: 90-33=57 Exploring Operation: 93-90=3, Resulting Numbers: [33, 3] Generated Node #0,0,3: 81:[33, 3] Operation: 93-90=3 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[33, 3], Operations: ['69-36=33', '93-90=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[90, 60], Operations: ['69-36=33', '93-33=60'] Exploring Operation: 90+60=150, Resulting Numbers: [150] 150,81 unequal: No Solution Exploring Operation: 90*60=5400, Resulting Numbers: [5400] 5400,81 unequal: No Solution Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[93, 57], Operations: ['69-36=33', '90-33=57'] Exploring Operation: 93+57=150, Resulting Numbers: [150] 150,81 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 93*57=5301, Resulting Numbers: [5301] 5301,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[93, 123], Operations: ['69-36=33', '90+33=123'] Exploring Operation: 93+123=216, Resulting Numbers: [216] 216,81 unequal: No Solution Exploring Operation: 123-93=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 93*123=11439, Resulting Numbers: [11439] 11439,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 81:[3, 33], Operations: ['93-90=3', '69-36=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[36, 23], Operations: ['93-90=3', '69/3=23'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[69, 12], Operations: ['93-90=3', '36/3=12'] Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,81 unequal: No Solution Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[90, 69, 36, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [69, 36, 3] Generated Node #0,2: 81:[69, 36, 3] Operation: 93-90=3 Moving to Node #0,2 Current State: 81:[69, 36, 3], Operations: ['93-90=3'] Exploring Operation: 36/3=12, Resulting Numbers: [69, 12] Generated Node #0,2,3: 81:[69, 12] Operation: 36/3=12 Moving to Node #0,2,3 Current State: 81:[69, 12], Operations: ['93-90=3', '36/3=12'] Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.949653
hs_4
mult_heuristic
[ 88, 9, 97, 20 ]
75
[ "97+20=117", "117/9=13", "88-13=75" ]
Current State: 75:[88, 9, 97, 20], Operations: [] Exploring Operation: 97+20=117, Resulting Numbers: [88, 9, 117] Generated Node #2: [88, 9, 117] from Operation: 97+20=117 Current State: 75:[88, 9, 117], Operations: ['97+20=117'] Exploring Operation: 117/9=13, Resulting Numbers: [88, 13] Generated Node #3: [88, 13] from Operation: 117/9=13 Current State: 75:[88, 13], Operations: ['97+20=117', '117/9=13'] Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[88, 9, 97, 20], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [97, 20, 79] Generated Node #0,0: 75:[97, 20, 79] Operation: 88-9=79 Exploring Operation: 97-9=88, Resulting Numbers: [88, 20, 88] Generated Node #0,1: 75:[88, 20, 88] Operation: 97-9=88 Exploring Operation: 97-88=9, Resulting Numbers: [9, 20, 9] Generated Node #0,2: 75:[9, 20, 9] Operation: 97-88=9 Exploring Operation: 97-20=77, Resulting Numbers: [88, 9, 77] Generated Node #0,3: 75:[88, 9, 77] Operation: 97-20=77 Moving to Node #0,2 Current State: 75:[9, 20, 9], Operations: ['97-88=9'] Exploring Operation: 20-9=11, Resulting Numbers: [9, 11] Generated Node #0,2,0: 75:[9, 11] Operation: 20-9=11 Exploring Operation: 9/9=1, Resulting Numbers: [20, 1] Generated Node #0,2,1: 75:[20, 1] Operation: 9/9=1 Exploring Operation: 9+20=29, Resulting Numbers: [9, 29] Generated Node #0,2,2: 75:[9, 29] Operation: 9+20=29 Exploring Operation: 9+9=18, Resulting Numbers: [20, 18] Generated Node #0,2,3: 75:[20, 18] Operation: 9+9=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[20, 1], Operations: ['97-88=9', '9/9=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[9, 11], Operations: ['97-88=9', '20-9=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[9, 29], Operations: ['97-88=9', '9+20=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,75 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 75:[20, 18], Operations: ['97-88=9', '9+9=18'] Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,75 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,75 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: 75:[88, 9, 77], Operations: ['97-20=77'] Exploring Operation: 88+9=97, Resulting Numbers: [77, 97] Generated Node #0,3,0: 75:[77, 97] Operation: 88+9=97 Exploring Operation: 88-77=11, Resulting Numbers: [9, 11] Generated Node #0,3,1: 75:[9, 11] Operation: 88-77=11 Exploring Operation: 77-9=68, Resulting Numbers: [88, 68] Generated Node #0,3,2: 75:[88, 68] Operation: 77-9=68 Exploring Operation: 88-9=79, Resulting Numbers: [77, 79] Generated Node #0,3,3: 75:[77, 79] Operation: 88-9=79 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[77, 79], Operations: ['97-20=77', '88-9=79'] Exploring Operation: 77*79=6083, Resulting Numbers: [6083] 6083,75 unequal: No Solution Exploring Operation: 77+79=156, Resulting Numbers: [156] 156,75 unequal: No Solution Exploring Operation: 79-77=2, Resulting Numbers: [2] 2,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[9, 11], Operations: ['97-20=77', '88-77=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[88, 68], Operations: ['97-20=77', '77-9=68'] Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,75 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,75 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[77, 97], Operations: ['97-20=77', '88+9=97'] Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,75 unequal: No Solution Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,75 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: 75:[88, 20, 88], Operations: ['97-9=88'] Exploring Operation: 88-20=68, Resulting Numbers: [88, 68] Generated Node #0,1,0: 75:[88, 68] Operation: 88-20=68 Exploring Operation: 88/88=1, Resulting Numbers: [20, 1] Generated Node #0,1,1: 75:[20, 1] Operation: 88/88=1 Exploring Operation: 88-20=68, Resulting Numbers: [88, 68] Generated Node #0,1,2: 75:[88, 68] Operation: 88-20=68 Exploring Operation: 88-88=0, Resulting Numbers: [20, 0] Generated Node #0,1,3: 75:[20, 0] Operation: 88-88=0 Moving to Node #0,0 Current State: 75:[97, 20, 79], Operations: ['88-9=79'] Exploring Operation: 97+20=117, Resulting Numbers: [79, 117] Generated Node #0,0,0: 75:[79, 117] Operation: 97+20=117 Exploring Operation: 97-79=18, Resulting Numbers: [20, 18] Generated Node #0,0,1: 75:[20, 18] Operation: 97-79=18 Exploring Operation: 79-20=59, Resulting Numbers: [97, 59] Generated Node #0,0,2: 75:[97, 59] Operation: 79-20=59 Exploring Operation: 97-20=77, Resulting Numbers: [79, 77] Generated Node #0,0,3: 75:[79, 77] Operation: 97-20=77 Moving to Node #0,0,3 Current State: 75:[79, 77], Operations: ['88-9=79', '97-20=77'] Exploring Operation: 79-77=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 79+77=156, Resulting Numbers: [156] 156,75 unequal: No Solution Exploring Operation: 79*77=6083, Resulting Numbers: [6083] 6083,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[20, 1], Operations: ['97-9=88', '88/88=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[20, 18], Operations: ['88-9=79', '97-79=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,75 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[20, 0], Operations: ['97-9=88', '88-88=0'] Exploring Operation: 20-0=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 20+0=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 20*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[88, 68], Operations: ['97-9=88', '88-20=68'] Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,75 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[88, 68], Operations: ['97-9=88', '88-20=68'] Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,75 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[97, 59], Operations: ['88-9=79', '79-20=59'] Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 97*59=5723, Resulting Numbers: [5723] 5723,75 unequal: No Solution Exploring Operation: 97+59=156, Resulting Numbers: [156] 156,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[79, 117], Operations: ['88-9=79', '97+20=117'] Exploring Operation: 79*117=9243, Resulting Numbers: [9243] 9243,75 unequal: No Solution Exploring Operation: 117-79=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 79+117=196, Resulting Numbers: [196] 196,75 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 10, 35, 30, 65 ]
15
[ "10+65=75", "35-30=5", "75/5=15" ]
Current State: 15:[10, 35, 30, 65], Operations: [] Exploring Operation: 10+65=75, Resulting Numbers: [35, 30, 75] Generated Node #2: [35, 30, 75] from Operation: 10+65=75 Current State: 15:[35, 30, 75], Operations: ['10+65=75'] Exploring Operation: 35-30=5, Resulting Numbers: [75, 5] Generated Node #3: [75, 5] from Operation: 35-30=5 Current State: 15:[75, 5], Operations: ['10+65=75', '35-30=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[10, 35, 30, 65], Operations: [] Exploring Operation: 65-30=35, Resulting Numbers: [10, 35, 35] Generated Node #0,0: 15:[10, 35, 35] Operation: 65-30=35 Exploring Operation: 30/10=3, Resulting Numbers: [35, 65, 3] Generated Node #0,1: 15:[35, 65, 3] Operation: 30/10=3 Exploring Operation: 35-30=5, Resulting Numbers: [10, 65, 5] Generated Node #0,2: 15:[10, 65, 5] Operation: 35-30=5 Exploring Operation: 65-35=30, Resulting Numbers: [10, 30, 30] Generated Node #0,3: 15:[10, 30, 30] Operation: 65-35=30 Exploring Operation: 35-10=25, Resulting Numbers: [30, 65, 25] Generated Node #0,4: 15:[30, 65, 25] Operation: 35-10=25 Moving to Node #0,3 Current State: 15:[10, 30, 30], Operations: ['65-35=30'] Exploring Operation: 30-10=20, Resulting Numbers: [30, 20] Generated Node #0,3,0: 15:[30, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [30, 3] Generated Node #0,3,1: 15:[30, 3] Operation: 30/10=3 Exploring Operation: 30/30=1, Resulting Numbers: [10, 1] Generated Node #0,3,2: 15:[10, 1] Operation: 30/30=1 Exploring Operation: 30/10=3, Resulting Numbers: [30, 3] Generated Node #0,3,3: 15:[30, 3] Operation: 30/10=3 Exploring Operation: 30-30=0, Resulting Numbers: [10, 0] Generated Node #0,3,4: 15:[10, 0] Operation: 30-30=0 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 15:[10, 1], Operations: ['65-35=30', '30/30=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 15:[10, 0], Operations: ['65-35=30', '30-30=0'] Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[30, 3], Operations: ['65-35=30', '30/10=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,15 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[30, 3], Operations: ['65-35=30', '30/10=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[30, 20], Operations: ['65-35=30', '30-10=20'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,15 unequal: No Solution Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 15:[10, 35, 35], Operations: ['65-30=35'] Exploring Operation: 35-35=0, Resulting Numbers: [10, 0] Generated Node #0,0,0: 15:[10, 0] Operation: 35-35=0 Exploring Operation: 10+35=45, Resulting Numbers: [35, 45] Generated Node #0,0,1: 15:[35, 45] Operation: 10+35=45 Exploring Operation: 35-10=25, Resulting Numbers: [35, 25] Generated Node #0,0,2: 15:[35, 25] Operation: 35-10=25 Exploring Operation: 35/35=1, Resulting Numbers: [10, 1] Generated Node #0,0,3: 15:[10, 1] Operation: 35/35=1 Exploring Operation: 35-10=25, Resulting Numbers: [35, 25] Generated Node #0,0,4: 15:[35, 25] Operation: 35-10=25 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[10, 1], Operations: ['65-30=35', '35/35=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[10, 0], Operations: ['65-30=35', '35-35=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[35, 25], Operations: ['65-30=35', '35-10=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,15 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 15:[35, 25], Operations: ['65-30=35', '35-10=25'] Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,15 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[35, 45], Operations: ['65-30=35', '10+35=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,15 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,15 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: 15:[10, 65, 5], Operations: ['35-30=5'] Exploring Operation: 65-10=55, Resulting Numbers: [5, 55] Generated Node #0,2,0: 15:[5, 55] Operation: 65-10=55 Exploring Operation: 65/5=13, Resulting Numbers: [10, 13] Generated Node #0,2,1: 15:[10, 13] Operation: 65/5=13 Exploring Operation: 10+5=15, Resulting Numbers: [65, 15] Generated Node #0,2,2: 15:[65, 15] Operation: 10+5=15 Exploring Operation: 65-5=60, Resulting Numbers: [10, 60] Generated Node #0,2,3: 15:[10, 60] Operation: 65-5=60 Exploring Operation: 10-5=5, Resulting Numbers: [65, 5] Generated Node #0,2,4: 15:[65, 5] Operation: 10-5=5 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[10, 13], Operations: ['35-30=5', '65/5=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,15 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[5, 55], Operations: ['35-30=5', '65-10=55'] Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,15 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[65, 15], Operations: ['35-30=5', '10+5=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,15 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 15:[10, 60], Operations: ['35-30=5', '65-5=60'] Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,15 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,15 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 15:[65, 5], Operations: ['35-30=5', '10-5=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,15 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,15 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[35, 65, 3], Operations: ['30/10=3'] Exploring Operation: 65-3=62, Resulting Numbers: [35, 62] Generated Node #0,1,0: 15:[35, 62] Operation: 65-3=62 Exploring Operation: 35-3=32, Resulting Numbers: [65, 32] Generated Node #0,1,1: 15:[65, 32] Operation: 35-3=32 Exploring Operation: 35+3=38, Resulting Numbers: [65, 38] Generated Node #0,1,2: 15:[65, 38] Operation: 35+3=38 Exploring Operation: 65-35=30, Resulting Numbers: [3, 30] Generated Node #0,1,3: 15:[3, 30] Operation: 65-35=30 Exploring Operation: 65+3=68, Resulting Numbers: [35, 68] Generated Node #0,1,4: 15:[35, 68] Operation: 65+3=68 Moving to Node #0,4 Current State: 15:[30, 65, 25], Operations: ['35-10=25'] Exploring Operation: 30+25=55, Resulting Numbers: [65, 55] Generated Node #0,4,0: 15:[65, 55] Operation: 30+25=55 Exploring Operation: 30+65=95, Resulting Numbers: [25, 95] Generated Node #0,4,1: 15:[25, 95] Operation: 30+65=95 Exploring Operation: 65-25=40, Resulting Numbers: [30, 40] Generated Node #0,4,2: 15:[30, 40] Operation: 65-25=40 Exploring Operation: 30-25=5, Resulting Numbers: [65, 5] Generated Node #0,4,3: 15:[65, 5] Operation: 30-25=5 Exploring Operation: 65-30=35, Resulting Numbers: [25, 35] Generated Node #0,4,4: 15:[25, 35] Operation: 65-30=35 Moving to Node #0,1,3 Current State: 15:[3, 30], Operations: ['30/10=3', '65-35=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,15 unequal: No Solution Moving to Node #0,4,4 Current State: 15:[25, 35], Operations: ['35-10=25', '65-30=35'] Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,15 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,15 unequal: No Solution Moving to Node #0,4,2 Current State: 15:[30, 40], Operations: ['35-10=25', '65-25=40'] Exploring Operation: 30+40=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,15 unequal: No Solution Moving to Node #0,4,3 Current State: 15:[65, 5], Operations: ['35-10=25', '30-25=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,15 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[65, 32], Operations: ['30/10=3', '35-3=32'] Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,15 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[35, 62], Operations: ['30/10=3', '65-3=62'] Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,15 unequal: No Solution Exploring Operation: 35*62=2170, Resulting Numbers: [2170] 2170,15 unequal: No Solution Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,1,4 Current State: 15:[35, 68], Operations: ['30/10=3', '65+3=68'] Exploring Operation: 35*68=2380, Resulting Numbers: [2380] 2380,15 unequal: No Solution Exploring Operation: 35+68=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[65, 38], Operations: ['30/10=3', '35+3=38'] Exploring Operation: 65*38=2470, Resulting Numbers: [2470] 2470,15 unequal: No Solution Exploring Operation: 65+38=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,4,1 Current State: 15:[25, 95], Operations: ['35-10=25', '30+65=95'] Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,15 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,15 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,15 unequal: No Solution Moving to Node #0,4,0 Current State: 15:[65, 55], Operations: ['35-10=25', '30+25=55'] Exploring Operation: 65+55=120, Resulting Numbers: [120] 120,15 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 65*55=3575, Resulting Numbers: [3575] 3575,15 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 9, 66, 38, 46 ]
83
[ "9+66=75", "46-38=8", "75+8=83" ]
Current State: 83:[9, 66, 38, 46], Operations: [] Exploring Operation: 9+66=75, Resulting Numbers: [38, 46, 75] Generated Node #2: [38, 46, 75] from Operation: 9+66=75 Current State: 83:[38, 46, 75], Operations: ['9+66=75'] Exploring Operation: 46-38=8, Resulting Numbers: [75, 8] Generated Node #3: [75, 8] from Operation: 46-38=8 Current State: 83:[75, 8], Operations: ['9+66=75', '46-38=8'] Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[9, 66, 38, 46], Operations: [] Exploring Operation: 66-9=57, Resulting Numbers: [38, 46, 57] Generated Node #0,0: 83:[38, 46, 57] Operation: 66-9=57 Exploring Operation: 9+46=55, Resulting Numbers: [66, 38, 55] Generated Node #0,1: 83:[66, 38, 55] Operation: 9+46=55 Exploring Operation: 9+66=75, Resulting Numbers: [38, 46, 75] Generated Node #0,2: 83:[38, 46, 75] Operation: 9+66=75 Exploring Operation: 38+46=84, Resulting Numbers: [9, 66, 84] Generated Node #0,3: 83:[9, 66, 84] Operation: 38+46=84 Exploring Operation: 9+38=47, Resulting Numbers: [66, 46, 47] Generated Node #0,4: 83:[66, 46, 47] Operation: 9+38=47 Moving to Node #0,1 Current State: 83:[66, 38, 55], Operations: ['9+46=55'] Exploring Operation: 66+55=121, Resulting Numbers: [38, 121] Generated Node #0,1,0: 83:[38, 121] Operation: 66+55=121 Exploring Operation: 55-38=17, Resulting Numbers: [66, 17] Generated Node #0,1,1: 83:[66, 17] Operation: 55-38=17 Exploring Operation: 66-38=28, Resulting Numbers: [55, 28] Generated Node #0,1,2: 83:[55, 28] Operation: 66-38=28 Exploring Operation: 66+38=104, Resulting Numbers: [55, 104] Generated Node #0,1,3: 83:[55, 104] Operation: 66+38=104 Exploring Operation: 38+55=93, Resulting Numbers: [66, 93] Generated Node #0,1,4: 83:[66, 93] Operation: 38+55=93 Moving to Node #0,4 Current State: 83:[66, 46, 47], Operations: ['9+38=47'] Exploring Operation: 47-46=1, Resulting Numbers: [66, 1] Generated Node #0,4,0: 83:[66, 1] Operation: 47-46=1 Exploring Operation: 46+47=93, Resulting Numbers: [66, 93] Generated Node #0,4,1: 83:[66, 93] Operation: 46+47=93 Exploring Operation: 66+46=112, Resulting Numbers: [47, 112] Generated Node #0,4,2: 83:[47, 112] Operation: 66+46=112 Exploring Operation: 66-46=20, Resulting Numbers: [47, 20] Generated Node #0,4,3: 83:[47, 20] Operation: 66-46=20 Exploring Operation: 66+47=113, Resulting Numbers: [46, 113] Generated Node #0,4,4: 83:[46, 113] Operation: 66+47=113 Moving to Node #0,2 Current State: 83:[38, 46, 75], Operations: ['9+66=75'] Exploring Operation: 46+75=121, Resulting Numbers: [38, 121] Generated Node #0,2,0: 83:[38, 121] Operation: 46+75=121 Exploring Operation: 38+46=84, Resulting Numbers: [75, 84] Generated Node #0,2,1: 83:[75, 84] Operation: 38+46=84 Exploring Operation: 75-38=37, Resulting Numbers: [46, 37] Generated Node #0,2,2: 83:[46, 37] Operation: 75-38=37 Exploring Operation: 46-38=8, Resulting Numbers: [75, 8] Generated Node #0,2,3: 83:[75, 8] Operation: 46-38=8 Exploring Operation: 38+75=113, Resulting Numbers: [46, 113] Generated Node #0,2,4: 83:[46, 113] Operation: 38+75=113 Moving to Node #0,3 Current State: 83:[9, 66, 84], Operations: ['38+46=84'] Exploring Operation: 84-66=18, Resulting Numbers: [9, 18] Generated Node #0,3,0: 83:[9, 18] Operation: 84-66=18 Exploring Operation: 84-9=75, Resulting Numbers: [66, 75] Generated Node #0,3,1: 83:[66, 75] Operation: 84-9=75 Exploring Operation: 9+66=75, Resulting Numbers: [84, 75] Generated Node #0,3,2: 83:[84, 75] Operation: 9+66=75 Exploring Operation: 66-9=57, Resulting Numbers: [84, 57] Generated Node #0,3,3: 83:[84, 57] Operation: 66-9=57 Exploring Operation: 9+84=93, Resulting Numbers: [66, 93] Generated Node #0,3,4: 83:[66, 93] Operation: 9+84=93 Moving to Node #0,0 Current State: 83:[38, 46, 57], Operations: ['66-9=57'] Exploring Operation: 46+57=103, Resulting Numbers: [38, 103] Generated Node #0,0,0: 83:[38, 103] Operation: 46+57=103 Exploring Operation: 38+57=95, Resulting Numbers: [46, 95] Generated Node #0,0,1: 83:[46, 95] Operation: 38+57=95 Exploring Operation: 38+46=84, Resulting Numbers: [57, 84] Generated Node #0,0,2: 83:[57, 84] Operation: 38+46=84 Exploring Operation: 46-38=8, Resulting Numbers: [57, 8] Generated Node #0,0,3: 83:[57, 8] Operation: 46-38=8 Exploring Operation: 57-38=19, Resulting Numbers: [46, 19] Generated Node #0,0,4: 83:[46, 19] Operation: 57-38=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[57, 84], Operations: ['66-9=57', '38+46=84'] Exploring Operation: 57*84=4788, Resulting Numbers: [4788] 4788,83 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 57+84=141, Resulting Numbers: [141] 141,83 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 #0,0,1 Current State: 83:[46, 95], Operations: ['66-9=57', '38+57=95'] Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,83 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,83 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 #0,0,0 Current State: 83:[38, 103], Operations: ['66-9=57', '46+57=103'] Exploring Operation: 38*103=3914, Resulting Numbers: [3914] 3914,83 unequal: No Solution Exploring Operation: 103-38=65, Resulting Numbers: [65] 65,83 unequal: No Solution Exploring Operation: 38+103=141, Resulting Numbers: [141] 141,83 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 #0,0,3 Current State: 83:[57, 8], Operations: ['66-9=57', '46-38=8'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,83 unequal: No Solution Exploring Operation: 57*8=456, Resulting Numbers: [456] 456,83 unequal: No Solution Exploring Operation: 57+8=65, Resulting Numbers: [65] 65,83 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 #0,0,4 Current State: 83:[46, 19], Operations: ['66-9=57', '57-38=19'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,83 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 83:[75, 84], Operations: ['9+66=75', '38+46=84'] Exploring Operation: 75*84=6300, Resulting Numbers: [6300] 6300,83 unequal: No Solution Exploring Operation: 75+84=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[84, 75], Operations: ['38+46=84', '9+66=75'] Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 84+75=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 84*75=6300, Resulting Numbers: [6300] 6300,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[66, 75], Operations: ['38+46=84', '84-9=75'] Exploring Operation: 66*75=4950, Resulting Numbers: [4950] 4950,83 unequal: No Solution Exploring Operation: 66+75=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,83 unequal: No Solution Moving to Node #0,4,1 Current State: 83:[66, 93], Operations: ['9+38=47', '46+47=93'] Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,83 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[84, 57], Operations: ['38+46=84', '66-9=57'] Exploring Operation: 84*57=4788, Resulting Numbers: [4788] 4788,83 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 84+57=141, Resulting Numbers: [141] 141,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[66, 93], Operations: ['38+46=84', '9+84=93'] Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,83 unequal: No Solution Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[66, 93], Operations: ['9+46=55', '38+55=93'] Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,83 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[55, 104], Operations: ['9+46=55', '66+38=104'] Exploring Operation: 55*104=5720, Resulting Numbers: [5720] 5720,83 unequal: No Solution Exploring Operation: 104-55=49, Resulting Numbers: [49] 49,83 unequal: No Solution Exploring Operation: 55+104=159, Resulting Numbers: [159] 159,83 unequal: No Solution Moving to Node #0,4,2 Current State: 83:[47, 112], Operations: ['9+38=47', '66+46=112'] Exploring Operation: 112-47=65, Resulting Numbers: [65] 65,83 unequal: No Solution Exploring Operation: 47+112=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 47*112=5264, Resulting Numbers: [5264] 5264,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[46, 113], Operations: ['9+66=75', '38+75=113'] Exploring Operation: 46*113=5198, Resulting Numbers: [5198] 5198,83 unequal: No Solution Exploring Operation: 113-46=67, Resulting Numbers: [67] 67,83 unequal: No Solution Exploring Operation: 46+113=159, Resulting Numbers: [159] 159,83 unequal: No Solution Moving to Node #0,4,4 Current State: 83:[46, 113], Operations: ['9+38=47', '66+47=113'] Exploring Operation: 46+113=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 46*113=5198, Resulting Numbers: [5198] 5198,83 unequal: No Solution Exploring Operation: 113-46=67, Resulting Numbers: [67] 67,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[75, 8], Operations: ['9+66=75', '46-38=8'] Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,83 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,83 unequal: No Solution Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[9, 66, 38, 46], Operations: [] Exploring Operation: 9+66=75, Resulting Numbers: [38, 46, 75] Generated Node #0,2: 83:[38, 46, 75] Operation: 9+66=75 Moving to Node #0,2 Current State: 83:[38, 46, 75], Operations: ['9+66=75'] Exploring Operation: 46-38=8, Resulting Numbers: [75, 8] Generated Node #0,2,3: 83:[75, 8] Operation: 46-38=8 Moving to Node #0,2,3 Current State: 83:[75, 8], Operations: ['9+66=75', '46-38=8'] Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.926215
hs_5
sum_heuristic
[ 61, 88, 2, 67 ]
100
[ "67-61=6", "2*6=12", "88+12=100" ]
Current State: 100:[61, 88, 2, 67], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [88, 2, 6] Generated Node #2: [88, 2, 6] from Operation: 67-61=6 Current State: 100:[88, 2, 6], Operations: ['67-61=6'] Exploring Operation: 2*6=12, Resulting Numbers: [88, 12] Generated Node #3: [88, 12] from Operation: 2*6=12 Current State: 100:[88, 12], Operations: ['67-61=6', '2*6=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[61, 88, 2, 67], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [61, 2, 21] Generated Node #0,0: 100:[61, 2, 21] Operation: 88-67=21 Exploring Operation: 67-61=6, Resulting Numbers: [88, 2, 6] Generated Node #0,1: 100:[88, 2, 6] Operation: 67-61=6 Exploring Operation: 88/2=44, Resulting Numbers: [61, 67, 44] Generated Node #0,2: 100:[61, 67, 44] Operation: 88/2=44 Exploring Operation: 88-61=27, Resulting Numbers: [2, 67, 27] Generated Node #0,3: 100:[2, 67, 27] Operation: 88-61=27 Moving to Node #0,0 Current State: 100:[61, 2, 21], Operations: ['88-67=21'] Exploring Operation: 61-2=59, Resulting Numbers: [21, 59] Generated Node #0,0,0: 100:[21, 59] Operation: 61-2=59 Exploring Operation: 2+21=23, Resulting Numbers: [61, 23] Generated Node #0,0,1: 100:[61, 23] Operation: 2+21=23 Exploring Operation: 21-2=19, Resulting Numbers: [61, 19] Generated Node #0,0,2: 100:[61, 19] Operation: 21-2=19 Exploring Operation: 61-21=40, Resulting Numbers: [2, 40] Generated Node #0,0,3: 100:[2, 40] Operation: 61-21=40 Moving to Node #0,1 Current State: 100:[88, 2, 6], Operations: ['67-61=6'] Exploring Operation: 88+6=94, Resulting Numbers: [2, 94] Generated Node #0,1,0: 100:[2, 94] Operation: 88+6=94 Exploring Operation: 88+2=90, Resulting Numbers: [6, 90] Generated Node #0,1,1: 100:[6, 90] Operation: 88+2=90 Exploring Operation: 88/2=44, Resulting Numbers: [6, 44] Generated Node #0,1,2: 100:[6, 44] Operation: 88/2=44 Exploring Operation: 6-2=4, Resulting Numbers: [88, 4] Generated Node #0,1,3: 100:[88, 4] Operation: 6-2=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[2, 94], Operations: ['67-61=6', '88+6=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 2*94=188, Resulting Numbers: [188] 188,100 unequal: No Solution Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[6, 44], Operations: ['67-61=6', '88/2=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[6, 90], Operations: ['67-61=6', '88+2=90'] Exploring Operation: 6*90=540, Resulting Numbers: [540] 540,100 unequal: No Solution Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,100 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[88, 4], Operations: ['67-61=6', '6-2=4'] Exploring Operation: 88*4=352, Resulting Numbers: [352] 352,100 unequal: No Solution Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,100 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: 100:[2, 67, 27], Operations: ['88-61=27'] Exploring Operation: 27-2=25, Resulting Numbers: [67, 25] Generated Node #0,3,0: 100:[67, 25] Operation: 27-2=25 Exploring Operation: 67+27=94, Resulting Numbers: [2, 94] Generated Node #0,3,1: 100:[2, 94] Operation: 67+27=94 Exploring Operation: 67-2=65, Resulting Numbers: [27, 65] Generated Node #0,3,2: 100:[27, 65] Operation: 67-2=65 Exploring Operation: 67-27=40, Resulting Numbers: [2, 40] Generated Node #0,3,3: 100:[2, 40] Operation: 67-27=40 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[2, 94], Operations: ['88-61=27', '67+27=94'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,100 unequal: No Solution Exploring Operation: 2*94=188, Resulting Numbers: [188] 188,100 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[2, 40], Operations: ['88-61=27', '67-27=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[67, 25], Operations: ['88-61=27', '27-2=25'] Exploring Operation: 67*25=1675, Resulting Numbers: [1675] 1675,100 unequal: No Solution Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[27, 65], Operations: ['88-61=27', '67-2=65'] Exploring Operation: 27*65=1755, Resulting Numbers: [1755] 1755,100 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 27+65=92, Resulting Numbers: [92] 92,100 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: 100:[61, 67, 44], Operations: ['88/2=44'] Exploring Operation: 61+44=105, Resulting Numbers: [67, 105] Generated Node #0,2,0: 100:[67, 105] Operation: 61+44=105 Exploring Operation: 67-44=23, Resulting Numbers: [61, 23] Generated Node #0,2,1: 100:[61, 23] Operation: 67-44=23 Exploring Operation: 67-61=6, Resulting Numbers: [44, 6] Generated Node #0,2,2: 100:[44, 6] Operation: 67-61=6 Exploring Operation: 61-44=17, Resulting Numbers: [67, 17] Generated Node #0,2,3: 100:[67, 17] Operation: 61-44=17 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[44, 6], Operations: ['88/2=44', '67-61=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[61, 23], Operations: ['88/2=44', '67-44=23'] Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,100 unequal: No Solution Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[67, 17], Operations: ['88/2=44', '61-44=17'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,100 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[67, 105], Operations: ['88/2=44', '61+44=105'] Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,100 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,100 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: 100:[21, 59], Operations: ['88-67=21', '61-2=59'] Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[2, 40], Operations: ['88-67=21', '61-21=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[61, 19], Operations: ['88-67=21', '21-2=19'] Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,100 unequal: No Solution Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[61, 23], Operations: ['88-67=21', '2+21=23'] Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,100 unequal: No Solution Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,100 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 3, 43, 31, 93 ]
78
[ "3+43=46", "31+93=124", "124-46=78" ]
Current State: 78:[3, 43, 31, 93], Operations: [] Exploring Operation: 3+43=46, Resulting Numbers: [31, 93, 46] Generated Node #2: [31, 93, 46] from Operation: 3+43=46 Current State: 78:[31, 93, 46], Operations: ['3+43=46'] Exploring Operation: 31+93=124, Resulting Numbers: [46, 124] Generated Node #3: [46, 124] from Operation: 31+93=124 Current State: 78:[46, 124], Operations: ['3+43=46', '31+93=124'] Exploring Operation: 124-46=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[3, 43, 31, 93], Operations: [] Exploring Operation: 43+31=74, Resulting Numbers: [3, 93, 74] Generated Node #0,0: 78:[3, 93, 74] Operation: 43+31=74 Exploring Operation: 93/3=31, Resulting Numbers: [43, 31, 31] Generated Node #0,1: 78:[43, 31, 31] Operation: 93/3=31 Exploring Operation: 93/31=3, Resulting Numbers: [3, 43, 3] Generated Node #0,2: 78:[3, 43, 3] Operation: 93/31=3 Exploring Operation: 93-43=50, Resulting Numbers: [3, 31, 50] Generated Node #0,3: 78:[3, 31, 50] Operation: 93-43=50 Exploring Operation: 43-31=12, Resulting Numbers: [3, 93, 12] Generated Node #0,4: 78:[3, 93, 12] Operation: 43-31=12 Moving to Node #0,2 Current State: 78:[3, 43, 3], Operations: ['93/31=3'] Exploring Operation: 3-3=0, Resulting Numbers: [43, 0] Generated Node #0,2,0: 78:[43, 0] Operation: 3-3=0 Exploring Operation: 3/3=1, Resulting Numbers: [43, 1] Generated Node #0,2,1: 78:[43, 1] Operation: 3/3=1 Exploring Operation: 43-3=40, Resulting Numbers: [3, 40] Generated Node #0,2,2: 78:[3, 40] Operation: 43-3=40 Exploring Operation: 3+3=6, Resulting Numbers: [43, 6] Generated Node #0,2,3: 78:[43, 6] Operation: 3+3=6 Exploring Operation: 43-3=40, Resulting Numbers: [3, 40] Generated Node #0,2,4: 78:[3, 40] Operation: 43-3=40 Moving to Node #0,1 Current State: 78:[43, 31, 31], Operations: ['93/3=31'] Exploring Operation: 43+31=74, Resulting Numbers: [31, 74] Generated Node #0,1,0: 78:[31, 74] Operation: 43+31=74 Exploring Operation: 43-31=12, Resulting Numbers: [31, 12] Generated Node #0,1,1: 78:[31, 12] Operation: 43-31=12 Exploring Operation: 31-31=0, Resulting Numbers: [43, 0] Generated Node #0,1,2: 78:[43, 0] Operation: 31-31=0 Exploring Operation: 31/31=1, Resulting Numbers: [43, 1] Generated Node #0,1,3: 78:[43, 1] Operation: 31/31=1 Exploring Operation: 43-31=12, Resulting Numbers: [31, 12] Generated Node #0,1,4: 78:[31, 12] Operation: 43-31=12 Moving to Node #0,3 Current State: 78:[3, 31, 50], Operations: ['93-43=50'] Exploring Operation: 3+31=34, Resulting Numbers: [50, 34] Generated Node #0,3,0: 78:[50, 34] Operation: 3+31=34 Exploring Operation: 31+50=81, Resulting Numbers: [3, 81] Generated Node #0,3,1: 78:[3, 81] Operation: 31+50=81 Exploring Operation: 31-3=28, Resulting Numbers: [50, 28] Generated Node #0,3,2: 78:[50, 28] Operation: 31-3=28 Exploring Operation: 50-3=47, Resulting Numbers: [31, 47] Generated Node #0,3,3: 78:[31, 47] Operation: 50-3=47 Exploring Operation: 50-31=19, Resulting Numbers: [3, 19] Generated Node #0,3,4: 78:[3, 19] Operation: 50-31=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[3, 81], Operations: ['93-43=50', '31+50=81'] Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,78 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[3, 43, 31, 93], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [3, 31, 50] Generated Node #0,3: 78:[3, 31, 50] Operation: 93-43=50 Moving to Node #0,3 Current State: 78:[3, 31, 50], Operations: ['93-43=50'] Exploring Operation: 31+50=81, Resulting Numbers: [3, 81] Generated Node #0,3,1: 78:[3, 81] Operation: 31+50=81 Moving to Node #0,3,1 Current State: 78:[3, 81], Operations: ['93-43=50', '31+50=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 72, 59, 70, 69 ]
79
[ "72-70=2", "69*2=138", "138-59=79" ]
Current State: 79:[72, 59, 70, 69], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [59, 69, 2] Generated Node #2: [59, 69, 2] from Operation: 72-70=2 Current State: 79:[59, 69, 2], Operations: ['72-70=2'] Exploring Operation: 69*2=138, Resulting Numbers: [59, 138] Generated Node #3: [59, 138] from Operation: 69*2=138 Current State: 79:[59, 138], Operations: ['72-70=2', '69*2=138'] Exploring Operation: 138-59=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[72, 59, 70, 69], Operations: [] Exploring Operation: 59+69=128, Resulting Numbers: [72, 70, 128] Generated Node #0,0: 79:[72, 70, 128] Operation: 59+69=128 Exploring Operation: 59+70=129, Resulting Numbers: [72, 69, 129] Generated Node #0,1: 79:[72, 69, 129] Operation: 59+70=129 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[72, 70, 128], Operations: ['59+69=128'] Exploring Operation: 128-72=56, Resulting Numbers: [70, 56] Generated Node #0,0,0: 79:[70, 56] Operation: 128-72=56 Exploring Operation: 128-70=58, Resulting Numbers: [72, 58] Generated Node #0,0,1: 79:[72, 58] Operation: 128-70=58 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[72, 58], Operations: ['59+69=128', '128-70=58'] Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[70, 56], Operations: ['59+69=128', '128-72=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[72, 69, 129], Operations: ['59+70=129'] Exploring Operation: 129-72=57, Resulting Numbers: [69, 57] Generated Node #0,1,0: 79:[69, 57] Operation: 129-72=57 Exploring Operation: 129-69=60, Resulting Numbers: [72, 60] Generated Node #0,1,1: 79:[72, 60] Operation: 129-69=60 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[72, 60], Operations: ['59+70=129', '129-69=60'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,79 unequal: No Solution Exploring Operation: 72+60=132, Resulting Numbers: [132] 132,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[69, 57], Operations: ['59+70=129', '129-72=57'] Exploring Operation: 69+57=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 70, 64, 44, 46 ]
51
[ "70*46=3220", "44+3220=3264", "3264/64=51" ]
Current State: 51:[70, 64, 44, 46], Operations: [] Exploring Operation: 70*46=3220, Resulting Numbers: [64, 44, 3220] Generated Node #2: [64, 44, 3220] from Operation: 70*46=3220 Current State: 51:[64, 44, 3220], Operations: ['70*46=3220'] Exploring Operation: 44+3220=3264, Resulting Numbers: [64, 3264] Generated Node #3: [64, 3264] from Operation: 44+3220=3264 Current State: 51:[64, 3264], Operations: ['70*46=3220', '44+3220=3264'] Exploring Operation: 3264/64=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[70, 64, 44, 46], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [64, 46, 26] Generated Node #0,0: 51:[64, 46, 26] Operation: 70-44=26 Exploring Operation: 70-64=6, Resulting Numbers: [44, 46, 6] Generated Node #0,1: 51:[44, 46, 6] Operation: 70-64=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[44, 46, 6], Operations: ['70-64=6'] Exploring Operation: 46-44=2, Resulting Numbers: [6, 2] Generated Node #0,1,0: 51:[6, 2] Operation: 46-44=2 Exploring Operation: 44+6=50, Resulting Numbers: [46, 50] Generated Node #0,1,1: 51:[46, 50] Operation: 44+6=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[6, 2], Operations: ['70-64=6', '46-44=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 6/2=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 #0,1,1 Current State: 51:[46, 50], Operations: ['70-64=6', '44+6=50'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,51 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[64, 46, 26], Operations: ['70-44=26'] Exploring Operation: 46-26=20, Resulting Numbers: [64, 20] Generated Node #0,0,0: 51:[64, 20] Operation: 46-26=20 Exploring Operation: 64-46=18, Resulting Numbers: [26, 18] Generated Node #0,0,1: 51:[26, 18] Operation: 64-46=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[26, 18], Operations: ['70-44=26', '64-46=18'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[64, 20], Operations: ['70-44=26', '46-26=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,51 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_2
mult_heuristic
[ 87, 78, 63, 77 ]
25
[ "87+78=165", "63+77=140", "165-140=25" ]
Current State: 25:[87, 78, 63, 77], Operations: [] Exploring Operation: 87+78=165, Resulting Numbers: [63, 77, 165] Generated Node #2: [63, 77, 165] from Operation: 87+78=165 Current State: 25:[63, 77, 165], Operations: ['87+78=165'] Exploring Operation: 63+77=140, Resulting Numbers: [165, 140] Generated Node #3: [165, 140] from Operation: 63+77=140 Current State: 25:[165, 140], Operations: ['87+78=165', '63+77=140'] Exploring Operation: 165-140=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[87, 78, 63, 77], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [87, 63, 1] Generated Node #0,0: 25:[87, 63, 1] Operation: 78-77=1 Exploring Operation: 87-78=9, Resulting Numbers: [63, 77, 9] Generated Node #0,1: 25:[63, 77, 9] Operation: 87-78=9 Exploring Operation: 78-63=15, Resulting Numbers: [87, 77, 15] Generated Node #0,2: 25:[87, 77, 15] Operation: 78-63=15 Exploring Operation: 87-77=10, Resulting Numbers: [78, 63, 10] Generated Node #0,3: 25:[78, 63, 10] Operation: 87-77=10 Exploring Operation: 87-63=24, Resulting Numbers: [78, 77, 24] Generated Node #0,4: 25:[78, 77, 24] Operation: 87-63=24 Moving to Node #0,1 Current State: 25:[63, 77, 9], Operations: ['87-78=9'] Exploring Operation: 63-9=54, Resulting Numbers: [77, 54] Generated Node #0,1,0: 25:[77, 54] Operation: 63-9=54 Exploring Operation: 77-63=14, Resulting Numbers: [9, 14] Generated Node #0,1,1: 25:[9, 14] Operation: 77-63=14 Exploring Operation: 63/9=7, Resulting Numbers: [77, 7] Generated Node #0,1,2: 25:[77, 7] Operation: 63/9=7 Exploring Operation: 63+9=72, Resulting Numbers: [77, 72] Generated Node #0,1,3: 25:[77, 72] Operation: 63+9=72 Exploring Operation: 77-9=68, Resulting Numbers: [63, 68] Generated Node #0,1,4: 25:[63, 68] Operation: 77-9=68 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[9, 14], Operations: ['87-78=9', '77-63=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[77, 7], Operations: ['87-78=9', '63/9=7'] Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[77, 54], Operations: ['87-78=9', '63-9=54'] Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,25 unequal: No Solution Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 25:[63, 68], Operations: ['87-78=9', '77-9=68'] Exploring Operation: 63+68=131, Resulting Numbers: [131] 131,25 unequal: No Solution Exploring Operation: 68-63=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 63*68=4284, Resulting Numbers: [4284] 4284,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[77, 72], Operations: ['87-78=9', '63+9=72'] Exploring Operation: 77+72=149, Resulting Numbers: [149] 149,25 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 77*72=5544, Resulting Numbers: [5544] 5544,25 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: 25:[78, 63, 10], Operations: ['87-77=10'] Exploring Operation: 78-63=15, Resulting Numbers: [10, 15] Generated Node #0,3,0: 25:[10, 15] Operation: 78-63=15 Exploring Operation: 63-10=53, Resulting Numbers: [78, 53] Generated Node #0,3,1: 25:[78, 53] Operation: 63-10=53 Exploring Operation: 63+10=73, Resulting Numbers: [78, 73] Generated Node #0,3,2: 25:[78, 73] Operation: 63+10=73 Exploring Operation: 78-10=68, Resulting Numbers: [63, 68] Generated Node #0,3,3: 25:[63, 68] Operation: 78-10=68 Exploring Operation: 78+10=88, Resulting Numbers: [63, 88] Generated Node #0,3,4: 25:[63, 88] Operation: 78+10=88 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[10, 15], Operations: ['87-77=10', '78-63=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,25 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[87, 78, 63, 77], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [78, 63, 10] Generated Node #0,3: 25:[78, 63, 10] Operation: 87-77=10 Moving to Node #0,3 Current State: 25:[78, 63, 10], Operations: ['87-77=10'] Exploring Operation: 78-63=15, Resulting Numbers: [10, 15] Generated Node #0,3,0: 25:[10, 15] Operation: 78-63=15 Moving to Node #0,3,0 Current State: 25:[10, 15], Operations: ['87-77=10', '78-63=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic