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
[ 11, 53, 43, 57 ]
28
[ "53-11=42", "57-43=14", "42-14=28" ]
Current State: 28:[11, 53, 43, 57], Operations: [] Exploring Operation: 53-11=42, Resulting Numbers: [43, 57, 42] Generated Node #2: [43, 57, 42] from Operation: 53-11=42 Current State: 28:[43, 57, 42], Operations: ['53-11=42'] Exploring Operation: 57-43=14, Resulting Numbers: [42, 14] Generated Node #3: [42, 14] from Operation: 57-43=14 Current State: 28:[42, 14], Operations: ['53-11=42', '57-43=14'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[11, 53, 43, 57], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [11, 53, 14] Generated Node #0,0: 28:[11, 53, 14] Operation: 57-43=14 Exploring Operation: 57-53=4, Resulting Numbers: [11, 43, 4] Generated Node #0,1: 28:[11, 43, 4] Operation: 57-53=4 Moving to Node #0,1 Current State: 28:[11, 43, 4], Operations: ['57-53=4'] Exploring Operation: 43-4=39, Resulting Numbers: [11, 39] Generated Node #0,1,0: 28:[11, 39] Operation: 43-4=39 Exploring Operation: 43-11=32, Resulting Numbers: [4, 32] Generated Node #0,1,1: 28:[4, 32] Operation: 43-11=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[4, 32], Operations: ['57-53=4', '43-11=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[11, 53, 43, 57], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [11, 43, 4] Generated Node #0,1: 28:[11, 43, 4] Operation: 57-53=4 Moving to Node #0,1 Current State: 28:[11, 43, 4], Operations: ['57-53=4'] Exploring Operation: 43-11=32, Resulting Numbers: [4, 32] Generated Node #0,1,1: 28:[4, 32] Operation: 43-11=32 Moving to Node #0,1,1 Current State: 28:[4, 32], Operations: ['57-53=4', '43-11=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 62, 92, 81, 55 ]
18
[ "62+92=154", "81+55=136", "154-136=18" ]
Current State: 18:[62, 92, 81, 55], Operations: [] Exploring Operation: 62+92=154, Resulting Numbers: [81, 55, 154] Generated Node #2: [81, 55, 154] from Operation: 62+92=154 Current State: 18:[81, 55, 154], Operations: ['62+92=154'] Exploring Operation: 81+55=136, Resulting Numbers: [154, 136] Generated Node #3: [154, 136] from Operation: 81+55=136 Current State: 18:[154, 136], Operations: ['62+92=154', '81+55=136'] Exploring Operation: 154-136=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[62, 92, 81, 55], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [81, 55, 30] Generated Node #0,0: 18:[81, 55, 30] Operation: 92-62=30 Exploring Operation: 92-81=11, Resulting Numbers: [62, 55, 11] Generated Node #0,1: 18:[62, 55, 11] Operation: 92-81=11 Exploring Operation: 81-62=19, Resulting Numbers: [92, 55, 19] Generated Node #0,2: 18:[92, 55, 19] Operation: 81-62=19 Exploring Operation: 92-55=37, Resulting Numbers: [62, 81, 37] Generated Node #0,3: 18:[62, 81, 37] Operation: 92-55=37 Moving to Node #0,1 Current State: 18:[62, 55, 11], Operations: ['92-81=11'] Exploring Operation: 55-11=44, Resulting Numbers: [62, 44] Generated Node #0,1,0: 18:[62, 44] Operation: 55-11=44 Exploring Operation: 62-11=51, Resulting Numbers: [55, 51] Generated Node #0,1,1: 18:[55, 51] Operation: 62-11=51 Exploring Operation: 62-55=7, Resulting Numbers: [11, 7] Generated Node #0,1,2: 18:[11, 7] Operation: 62-55=7 Exploring Operation: 55/11=5, Resulting Numbers: [62, 5] Generated Node #0,1,3: 18:[62, 5] Operation: 55/11=5 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[11, 7], Operations: ['92-81=11', '62-55=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[62, 92, 81, 55], Operations: [] Exploring Operation: 92-81=11, Resulting Numbers: [62, 55, 11] Generated Node #0,1: 18:[62, 55, 11] Operation: 92-81=11 Moving to Node #0,1 Current State: 18:[62, 55, 11], Operations: ['92-81=11'] Exploring Operation: 62-55=7, Resulting Numbers: [11, 7] Generated Node #0,1,2: 18:[11, 7] Operation: 62-55=7 Moving to Node #0,1,2 Current State: 18:[11, 7], Operations: ['92-81=11', '62-55=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 40, 92, 96, 80 ]
36
[ "92-40=52", "96-80=16", "52-16=36" ]
Current State: 36:[40, 92, 96, 80], Operations: [] Exploring Operation: 92-40=52, Resulting Numbers: [96, 80, 52] Generated Node #2: [96, 80, 52] from Operation: 92-40=52 Current State: 36:[96, 80, 52], Operations: ['92-40=52'] Exploring Operation: 96-80=16, Resulting Numbers: [52, 16] Generated Node #3: [52, 16] from Operation: 96-80=16 Current State: 36:[52, 16], Operations: ['92-40=52', '96-80=16'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[40, 92, 96, 80], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [40, 96, 12] Generated Node #0,0: 36:[40, 96, 12] Operation: 92-80=12 Exploring Operation: 96-92=4, Resulting Numbers: [40, 80, 4] Generated Node #0,1: 36:[40, 80, 4] Operation: 96-92=4 Exploring Operation: 80/40=2, Resulting Numbers: [92, 96, 2] Generated Node #0,2: 36:[92, 96, 2] Operation: 80/40=2 Exploring Operation: 96-80=16, Resulting Numbers: [40, 92, 16] Generated Node #0,3: 36:[40, 92, 16] Operation: 96-80=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[40, 80, 4], Operations: ['96-92=4'] Exploring Operation: 80-40=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 36:[4, 40] Operation: 80-40=40 Exploring Operation: 80/4=20, Resulting Numbers: [40, 20] Generated Node #0,1,1: 36:[40, 20] Operation: 80/4=20 Exploring Operation: 80/40=2, Resulting Numbers: [4, 2] Generated Node #0,1,2: 36:[4, 2] Operation: 80/40=2 Exploring Operation: 40-4=36, Resulting Numbers: [80, 36] Generated Node #0,1,3: 36:[80, 36] Operation: 40-4=36 Moving to Node #0,1,2 Current State: 36:[4, 2], Operations: ['96-92=4', '80/40=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[4, 40], Operations: ['96-92=4', '80-40=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[40, 92, 96, 80], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [40, 80, 4] Generated Node #0,1: 36:[40, 80, 4] Operation: 96-92=4 Moving to Node #0,1 Current State: 36:[40, 80, 4], Operations: ['96-92=4'] Exploring Operation: 80-40=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 36:[4, 40] Operation: 80-40=40 Moving to Node #0,1,0 Current State: 36:[4, 40], Operations: ['96-92=4', '80-40=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 55, 73, 74, 98 ]
43
[ "98-55=43", "74-73=1", "43*1=43" ]
Current State: 43:[55, 73, 74, 98], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [73, 74, 43] Generated Node #2: [73, 74, 43] from Operation: 98-55=43 Current State: 43:[73, 74, 43], Operations: ['98-55=43'] Exploring Operation: 74-73=1, Resulting Numbers: [43, 1] Generated Node #3: [43, 1] from Operation: 74-73=1 Current State: 43:[43, 1], Operations: ['98-55=43', '74-73=1'] Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[55, 73, 74, 98], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [73, 74, 43] Generated Node #0,0: 43:[73, 74, 43] Operation: 98-55=43 Exploring Operation: 98-73=25, Resulting Numbers: [55, 74, 25] Generated Node #0,1: 43:[55, 74, 25] Operation: 98-73=25 Exploring Operation: 98-74=24, Resulting Numbers: [55, 73, 24] Generated Node #0,2: 43:[55, 73, 24] Operation: 98-74=24 Moving to Node #0,0 Current State: 43:[73, 74, 43], Operations: ['98-55=43'] Exploring Operation: 74-73=1, Resulting Numbers: [43, 1] Generated Node #0,0,0: 43:[43, 1] Operation: 74-73=1 Exploring Operation: 74-43=31, Resulting Numbers: [73, 31] Generated Node #0,0,1: 43:[73, 31] Operation: 74-43=31 Exploring Operation: 73-43=30, Resulting Numbers: [74, 30] Generated Node #0,0,2: 43:[74, 30] Operation: 73-43=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[43, 1], Operations: ['98-55=43', '74-73=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[55, 73, 74, 98], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [73, 74, 43] Generated Node #0,0: 43:[73, 74, 43] Operation: 98-55=43 Moving to Node #0,0 Current State: 43:[73, 74, 43], Operations: ['98-55=43'] Exploring Operation: 74-73=1, Resulting Numbers: [43, 1] Generated Node #0,0,0: 43:[43, 1] Operation: 74-73=1 Moving to Node #0,0,0 Current State: 43:[43, 1], Operations: ['98-55=43', '74-73=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 12, 60, 1, 71 ]
77
[ "60/12=5", "1+71=72", "5+72=77" ]
Current State: 77:[12, 60, 1, 71], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [1, 71, 5] Generated Node #2: [1, 71, 5] from Operation: 60/12=5 Current State: 77:[1, 71, 5], Operations: ['60/12=5'] Exploring Operation: 1+71=72, Resulting Numbers: [5, 72] Generated Node #3: [5, 72] from Operation: 1+71=72 Current State: 77:[5, 72], Operations: ['60/12=5', '1+71=72'] Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[12, 60, 1, 71], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [12, 1, 11] Generated Node #0,0: 77:[12, 1, 11] Operation: 71-60=11 Exploring Operation: 12+60=72, Resulting Numbers: [1, 71, 72] Generated Node #0,1: 77:[1, 71, 72] Operation: 12+60=72 Exploring Operation: 60/12=5, Resulting Numbers: [1, 71, 5] Generated Node #0,2: 77:[1, 71, 5] Operation: 60/12=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[12, 1, 11], Operations: ['71-60=11'] Exploring Operation: 12/1=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 77:[11, 12] Operation: 12/1=12 Exploring Operation: 12-1=11, Resulting Numbers: [11, 11] Generated Node #0,0,1: 77:[11, 11] Operation: 12-1=11 Exploring Operation: 12*1=12, Resulting Numbers: [11, 12] Generated Node #0,0,2: 77:[11, 12] Operation: 12*1=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[11, 11], Operations: ['71-60=11', '12-1=11'] Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[11, 12], Operations: ['71-60=11', '12/1=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,77 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[11, 12], Operations: ['71-60=11', '12*1=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,77 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[1, 71, 5], Operations: ['60/12=5'] Exploring Operation: 71+5=76, Resulting Numbers: [1, 76] Generated Node #0,2,0: 77:[1, 76] Operation: 71+5=76 Exploring Operation: 1+71=72, Resulting Numbers: [5, 72] Generated Node #0,2,1: 77:[5, 72] Operation: 1+71=72 Exploring Operation: 1+5=6, Resulting Numbers: [71, 6] Generated Node #0,2,2: 77:[71, 6] Operation: 1+5=6 Moving to Node #0,2,0 Current State: 77:[1, 76], Operations: ['60/12=5', '71+5=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[12, 60, 1, 71], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [1, 71, 5] Generated Node #0,2: 77:[1, 71, 5] Operation: 60/12=5 Moving to Node #0,2 Current State: 77:[1, 71, 5], Operations: ['60/12=5'] Exploring Operation: 71+5=76, Resulting Numbers: [1, 76] Generated Node #0,2,0: 77:[1, 76] Operation: 71+5=76 Moving to Node #0,2,0 Current State: 77:[1, 76], Operations: ['60/12=5', '71+5=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 25, 45, 35, 37 ]
72
[ "25+45=70", "37-35=2", "70+2=72" ]
Current State: 72:[25, 45, 35, 37], Operations: [] Exploring Operation: 25+45=70, Resulting Numbers: [35, 37, 70] Generated Node #2: [35, 37, 70] from Operation: 25+45=70 Current State: 72:[35, 37, 70], Operations: ['25+45=70'] Exploring Operation: 37-35=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 37-35=2 Current State: 72:[70, 2], Operations: ['25+45=70', '37-35=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[25, 45, 35, 37], Operations: [] Exploring Operation: 25+45=70, Resulting Numbers: [35, 37, 70] Generated Node #0,0: 72:[35, 37, 70] Operation: 25+45=70 Exploring Operation: 45-37=8, Resulting Numbers: [25, 35, 8] Generated Node #0,1: 72:[25, 35, 8] Operation: 45-37=8 Exploring Operation: 45-35=10, Resulting Numbers: [25, 37, 10] Generated Node #0,2: 72:[25, 37, 10] Operation: 45-35=10 Moving to Node #0,1 Current State: 72:[25, 35, 8], Operations: ['45-37=8'] Exploring Operation: 25-8=17, Resulting Numbers: [35, 17] Generated Node #0,1,0: 72:[35, 17] Operation: 25-8=17 Exploring Operation: 35-25=10, Resulting Numbers: [8, 10] Generated Node #0,1,1: 72:[8, 10] Operation: 35-25=10 Exploring Operation: 25+8=33, Resulting Numbers: [35, 33] Generated Node #0,1,2: 72:[35, 33] Operation: 25+8=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[8, 10], Operations: ['45-37=8', '35-25=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[35, 17], Operations: ['45-37=8', '25-8=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,72 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 72:[35, 33], Operations: ['45-37=8', '25+8=33'] Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 35*33=1155, Resulting Numbers: [1155] 1155,72 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 72:[25, 37, 10], Operations: ['45-35=10'] Exploring Operation: 25-10=15, Resulting Numbers: [37, 15] Generated Node #0,2,0: 72:[37, 15] Operation: 25-10=15 Exploring Operation: 37-25=12, Resulting Numbers: [10, 12] Generated Node #0,2,1: 72:[10, 12] Operation: 37-25=12 Exploring Operation: 25+10=35, Resulting Numbers: [37, 35] Generated Node #0,2,2: 72:[37, 35] Operation: 25+10=35 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 72:[10, 12], Operations: ['45-35=10', '37-25=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,72 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 72:[37, 35], Operations: ['45-35=10', '25+10=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[25, 45, 35, 37], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [25, 37, 10] Generated Node #0,2: 72:[25, 37, 10] Operation: 45-35=10 Moving to Node #0,2 Current State: 72:[25, 37, 10], Operations: ['45-35=10'] Exploring Operation: 25+10=35, Resulting Numbers: [37, 35] Generated Node #0,2,2: 72:[37, 35] Operation: 25+10=35 Moving to Node #0,2,2 Current State: 72:[37, 35], Operations: ['45-35=10', '25+10=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 30, 57, 7, 91 ]
28
[ "30+57=87", "91-87=4", "7*4=28" ]
Current State: 28:[30, 57, 7, 91], Operations: [] Exploring Operation: 30+57=87, Resulting Numbers: [7, 91, 87] Generated Node #2: [7, 91, 87] from Operation: 30+57=87 Current State: 28:[7, 91, 87], Operations: ['30+57=87'] Exploring Operation: 91-87=4, Resulting Numbers: [7, 4] Generated Node #3: [7, 4] from Operation: 91-87=4 Current State: 28:[7, 4], Operations: ['30+57=87', '91-87=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[30, 57, 7, 91], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [30, 7, 34] Generated Node #0,0: 28:[30, 7, 34] Operation: 91-57=34 Exploring Operation: 91/7=13, Resulting Numbers: [30, 57, 13] Generated Node #0,1: 28:[30, 57, 13] Operation: 91/7=13 Exploring Operation: 91-30=61, Resulting Numbers: [57, 7, 61] Generated Node #0,2: 28:[57, 7, 61] Operation: 91-30=61 Exploring Operation: 57-30=27, Resulting Numbers: [7, 91, 27] Generated Node #0,3: 28:[7, 91, 27] Operation: 57-30=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[30, 7, 34], Operations: ['91-57=34'] Exploring Operation: 30-7=23, Resulting Numbers: [34, 23] Generated Node #0,0,0: 28:[34, 23] Operation: 30-7=23 Exploring Operation: 30+7=37, Resulting Numbers: [34, 37] Generated Node #0,0,1: 28:[34, 37] Operation: 30+7=37 Exploring Operation: 34-7=27, Resulting Numbers: [30, 27] Generated Node #0,0,2: 28:[30, 27] Operation: 34-7=27 Exploring Operation: 34-30=4, Resulting Numbers: [7, 4] Generated Node #0,0,3: 28:[7, 4] Operation: 34-30=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 28:[7, 4], Operations: ['91-57=34', '34-30=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[30, 57, 7, 91], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [30, 7, 34] Generated Node #0,0: 28:[30, 7, 34] Operation: 91-57=34 Moving to Node #0,0 Current State: 28:[30, 7, 34], Operations: ['91-57=34'] Exploring Operation: 34-30=4, Resulting Numbers: [7, 4] Generated Node #0,0,3: 28:[7, 4] Operation: 34-30=4 Moving to Node #0,0,3 Current State: 28:[7, 4], Operations: ['91-57=34', '34-30=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 87, 8, 17, 73 ]
80
[ "73-17=56", "56/8=7", "87-7=80" ]
Current State: 80:[87, 8, 17, 73], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [87, 8, 56] Generated Node #2: [87, 8, 56] from Operation: 73-17=56 Current State: 80:[87, 8, 56], Operations: ['73-17=56'] Exploring Operation: 56/8=7, Resulting Numbers: [87, 7] Generated Node #3: [87, 7] from Operation: 56/8=7 Current State: 80:[87, 7], Operations: ['73-17=56', '56/8=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[87, 8, 17, 73], Operations: [] Exploring Operation: 87-8=79, Resulting Numbers: [17, 73, 79] Generated Node #0,0: 80:[17, 73, 79] Operation: 87-8=79 Exploring Operation: 87-73=14, Resulting Numbers: [8, 17, 14] Generated Node #0,1: 80:[8, 17, 14] Operation: 87-73=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[8, 17, 14], Operations: ['87-73=14'] Exploring Operation: 17-14=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 80:[8, 3] Operation: 17-14=3 Exploring Operation: 14-8=6, Resulting Numbers: [17, 6] Generated Node #0,1,1: 80:[17, 6] Operation: 14-8=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[8, 3], Operations: ['87-73=14', '17-14=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[17, 6], Operations: ['87-73=14', '14-8=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[17, 73, 79], Operations: ['87-8=79'] Exploring Operation: 79-73=6, Resulting Numbers: [17, 6] Generated Node #0,0,0: 80:[17, 6] Operation: 79-73=6 Exploring Operation: 17+73=90, Resulting Numbers: [79, 90] Generated Node #0,0,1: 80:[79, 90] Operation: 17+73=90 Moving to Node #0,0,0 Current State: 80:[17, 6], Operations: ['87-8=79', '79-73=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[79, 90], Operations: ['87-8=79', '17+73=90'] Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 79+90=169, Resulting Numbers: [169] 169,80 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
[ 27, 85, 35, 31 ]
23
[ "35-31=4", "27*4=108", "108-85=23" ]
Current State: 23:[27, 85, 35, 31], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [27, 85, 4] Generated Node #2: [27, 85, 4] from Operation: 35-31=4 Current State: 23:[27, 85, 4], Operations: ['35-31=4'] Exploring Operation: 27*4=108, Resulting Numbers: [85, 108] Generated Node #3: [85, 108] from Operation: 27*4=108 Current State: 23:[85, 108], Operations: ['35-31=4', '27*4=108'] Exploring Operation: 108-85=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[27, 85, 35, 31], Operations: [] Exploring Operation: 85-35=50, Resulting Numbers: [27, 31, 50] Generated Node #0,0: 23:[27, 31, 50] Operation: 85-35=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[27, 31, 50], Operations: ['85-35=50'] Exploring Operation: 50-27=23, Resulting Numbers: [31, 23] Generated Node #0,0,0: 23:[31, 23] Operation: 50-27=23 Moving to Node #0,0,0 Current State: 23:[31, 23], Operations: ['85-35=50', '50-27=23'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 86, 98, 63 ]
15
[ "98-86=12", "4*12=48", "63-48=15" ]
Current State: 15:[4, 86, 98, 63], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [4, 63, 12] Generated Node #2: [4, 63, 12] from Operation: 98-86=12 Current State: 15:[4, 63, 12], Operations: ['98-86=12'] Exploring Operation: 4*12=48, Resulting Numbers: [63, 48] Generated Node #3: [63, 48] from Operation: 4*12=48 Current State: 15:[63, 48], Operations: ['98-86=12', '4*12=48'] Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[4, 86, 98, 63], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [4, 63, 12] Generated Node #0,0: 15:[4, 63, 12] Operation: 98-86=12 Moving to Node #0,0 Current State: 15:[4, 63, 12], Operations: ['98-86=12'] Exploring Operation: 63-12=51, Resulting Numbers: [4, 51] Generated Node #0,0,0: 15:[4, 51] Operation: 63-12=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[4, 51], Operations: ['98-86=12', '63-12=51'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,15 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
[ 33, 6, 21, 64 ]
70
[ "33-6=27", "64-21=43", "27+43=70" ]
Current State: 70:[33, 6, 21, 64], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [21, 64, 27] Generated Node #2: [21, 64, 27] from Operation: 33-6=27 Current State: 70:[21, 64, 27], Operations: ['33-6=27'] Exploring Operation: 64-21=43, Resulting Numbers: [27, 43] Generated Node #3: [27, 43] from Operation: 64-21=43 Current State: 70:[27, 43], Operations: ['33-6=27', '64-21=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[33, 6, 21, 64], Operations: [] Exploring Operation: 6+64=70, Resulting Numbers: [33, 21, 70] Generated Node #0,0: 70:[33, 21, 70] Operation: 6+64=70 Exploring Operation: 64-21=43, Resulting Numbers: [33, 6, 43] Generated Node #0,1: 70:[33, 6, 43] Operation: 64-21=43 Exploring Operation: 21-6=15, Resulting Numbers: [33, 64, 15] Generated Node #0,2: 70:[33, 64, 15] Operation: 21-6=15 Exploring Operation: 33-21=12, Resulting Numbers: [6, 64, 12] Generated Node #0,3: 70:[6, 64, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[33, 21, 70], Operations: ['6+64=70'] Exploring Operation: 33+21=54, Resulting Numbers: [70, 54] Generated Node #0,0,0: 70:[70, 54] Operation: 33+21=54 Exploring Operation: 70-21=49, Resulting Numbers: [33, 49] Generated Node #0,0,1: 70:[33, 49] Operation: 70-21=49 Exploring Operation: 33-21=12, Resulting Numbers: [70, 12] Generated Node #0,0,2: 70:[70, 12] Operation: 33-21=12 Exploring Operation: 70-33=37, Resulting Numbers: [21, 37] Generated Node #0,0,3: 70:[21, 37] Operation: 70-33=37 Moving to Node #0,0,2 Current State: 70:[70, 12], Operations: ['6+64=70', '33-21=12'] Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,70 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[21, 37], Operations: ['6+64=70', '70-33=37'] Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,70 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[33, 49], Operations: ['6+64=70', '70-21=49'] Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[70, 54], Operations: ['6+64=70', '33+21=54'] Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,70 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[33, 64, 15], Operations: ['21-6=15'] Exploring Operation: 64-15=49, Resulting Numbers: [33, 49] Generated Node #0,2,0: 70:[33, 49] Operation: 64-15=49 Exploring Operation: 64-33=31, Resulting Numbers: [15, 31] Generated Node #0,2,1: 70:[15, 31] Operation: 64-33=31 Exploring Operation: 64+15=79, Resulting Numbers: [33, 79] Generated Node #0,2,2: 70:[33, 79] Operation: 64+15=79 Exploring Operation: 33-15=18, Resulting Numbers: [64, 18] Generated Node #0,2,3: 70:[64, 18] Operation: 33-15=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[15, 31], Operations: ['21-6=15', '64-33=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 70:[64, 18], Operations: ['21-6=15', '33-15=18'] Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,70 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 70:[33, 79], Operations: ['21-6=15', '64+15=79'] Exploring Operation: 33+79=112, Resulting Numbers: [112] 112,70 unequal: No Solution Exploring Operation: 33*79=2607, Resulting Numbers: [2607] 2607,70 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[33, 49], Operations: ['21-6=15', '64-15=49'] Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,70 unequal: No Solution Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[6, 64, 12], Operations: ['33-21=12'] Exploring Operation: 12-6=6, Resulting Numbers: [64, 6] Generated Node #0,3,0: 70:[64, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [64, 2] Generated Node #0,3,1: 70:[64, 2] Operation: 12/6=2 Exploring Operation: 6+64=70, Resulting Numbers: [12, 70] Generated Node #0,3,2: 70:[12, 70] Operation: 6+64=70 Exploring Operation: 64+12=76, Resulting Numbers: [6, 76] Generated Node #0,3,3: 70:[6, 76] Operation: 64+12=76 Moving to Node #0,3,2 Current State: 70:[12, 70], Operations: ['33-21=12', '6+64=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,70 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,70 unequal: No Solution Moving to Node #0,3,1 Current State: 70:[64, 2], Operations: ['33-21=12', '12/6=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,70 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,70 unequal: No Solution Moving to Node #0,3,3 Current State: 70:[6, 76], Operations: ['33-21=12', '64+12=76'] Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,70 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[33, 6, 21, 64], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [6, 64, 12] Generated Node #0,3: 70:[6, 64, 12] Operation: 33-21=12 Moving to Node #0,3 Current State: 70:[6, 64, 12], Operations: ['33-21=12'] Exploring Operation: 64+12=76, Resulting Numbers: [6, 76] Generated Node #0,3,3: 70:[6, 76] Operation: 64+12=76 Moving to Node #0,3,3 Current State: 70:[6, 76], Operations: ['33-21=12', '64+12=76'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_4
mult_heuristic
[ 46, 84, 89, 87 ]
36
[ "84-46=38", "89-87=2", "38-2=36" ]
Current State: 36:[46, 84, 89, 87], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [89, 87, 38] Generated Node #2: [89, 87, 38] from Operation: 84-46=38 Current State: 36:[89, 87, 38], Operations: ['84-46=38'] Exploring Operation: 89-87=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 89-87=2 Current State: 36:[38, 2], Operations: ['84-46=38', '89-87=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[46, 84, 89, 87], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [46, 89, 3] Generated Node #0,0: 36:[46, 89, 3] Operation: 87-84=3 Exploring Operation: 89-84=5, Resulting Numbers: [46, 87, 5] Generated Node #0,1: 36:[46, 87, 5] Operation: 89-84=5 Exploring Operation: 84-46=38, Resulting Numbers: [89, 87, 38] Generated Node #0,2: 36:[89, 87, 38] Operation: 84-46=38 Exploring Operation: 89-87=2, Resulting Numbers: [46, 84, 2] Generated Node #0,3: 36:[46, 84, 2] Operation: 89-87=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[46, 84, 2], Operations: ['89-87=2'] Exploring Operation: 46/2=23, Resulting Numbers: [84, 23] Generated Node #0,3,0: 36:[84, 23] Operation: 46/2=23 Exploring Operation: 46-2=44, Resulting Numbers: [84, 44] Generated Node #0,3,1: 36:[84, 44] Operation: 46-2=44 Exploring Operation: 84/2=42, Resulting Numbers: [46, 42] Generated Node #0,3,2: 36:[46, 42] Operation: 84/2=42 Exploring Operation: 84-46=38, Resulting Numbers: [2, 38] Generated Node #0,3,3: 36:[2, 38] Operation: 84-46=38 Moving to Node #0,3,3 Current State: 36:[2, 38], Operations: ['89-87=2', '84-46=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,36 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[46, 84, 89, 87], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [46, 84, 2] Generated Node #0,3: 36:[46, 84, 2] Operation: 89-87=2 Moving to Node #0,3 Current State: 36:[46, 84, 2], Operations: ['89-87=2'] Exploring Operation: 84-46=38, Resulting Numbers: [2, 38] Generated Node #0,3,3: 36:[2, 38] Operation: 84-46=38 Moving to Node #0,3,3 Current State: 36:[2, 38], Operations: ['89-87=2', '84-46=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 28, 90, 2, 4 ]
43
[ "2+4=6", "90/6=15", "28+15=43" ]
Current State: 43:[28, 90, 2, 4], Operations: [] Exploring Operation: 2+4=6, Resulting Numbers: [28, 90, 6] Generated Node #2: [28, 90, 6] from Operation: 2+4=6 Current State: 43:[28, 90, 6], Operations: ['2+4=6'] Exploring Operation: 90/6=15, Resulting Numbers: [28, 15] Generated Node #3: [28, 15] from Operation: 90/6=15 Current State: 43:[28, 15], Operations: ['2+4=6', '90/6=15'] Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[28, 90, 2, 4], Operations: [] Exploring Operation: 90-28=62, Resulting Numbers: [2, 4, 62] Generated Node #0,0: 43:[2, 4, 62] Operation: 90-28=62 Exploring Operation: 28+2=30, Resulting Numbers: [90, 4, 30] Generated Node #0,1: 43:[90, 4, 30] Operation: 28+2=30 Exploring Operation: 2*4=8, Resulting Numbers: [28, 90, 8] Generated Node #0,2: 43:[28, 90, 8] Operation: 2*4=8 Exploring Operation: 90/2=45, Resulting Numbers: [28, 4, 45] Generated Node #0,3: 43:[28, 4, 45] Operation: 90/2=45 Moving to Node #0,3 Current State: 43:[28, 4, 45], Operations: ['90/2=45'] Exploring Operation: 45-4=41, Resulting Numbers: [28, 41] Generated Node #0,3,0: 43:[28, 41] Operation: 45-4=41 Exploring Operation: 4+45=49, Resulting Numbers: [28, 49] Generated Node #0,3,1: 43:[28, 49] Operation: 4+45=49 Exploring Operation: 28+4=32, Resulting Numbers: [45, 32] Generated Node #0,3,2: 43:[45, 32] Operation: 28+4=32 Exploring Operation: 28-4=24, Resulting Numbers: [45, 24] Generated Node #0,3,3: 43:[45, 24] Operation: 28-4=24 Moving to Node #0,2 Current State: 43:[28, 90, 8], Operations: ['2*4=8'] Exploring Operation: 90-8=82, Resulting Numbers: [28, 82] Generated Node #0,2,0: 43:[28, 82] Operation: 90-8=82 Exploring Operation: 90-28=62, Resulting Numbers: [8, 62] Generated Node #0,2,1: 43:[8, 62] Operation: 90-28=62 Exploring Operation: 28-8=20, Resulting Numbers: [90, 20] Generated Node #0,2,2: 43:[90, 20] Operation: 28-8=20 Exploring Operation: 28+8=36, Resulting Numbers: [90, 36] Generated Node #0,2,3: 43:[90, 36] Operation: 28+8=36 Moving to Node #0,1 Current State: 43:[90, 4, 30], Operations: ['28+2=30'] Exploring Operation: 90-30=60, Resulting Numbers: [4, 60] Generated Node #0,1,0: 43:[4, 60] Operation: 90-30=60 Exploring Operation: 4+30=34, Resulting Numbers: [90, 34] Generated Node #0,1,1: 43:[90, 34] Operation: 4+30=34 Exploring Operation: 90+4=94, Resulting Numbers: [30, 94] Generated Node #0,1,2: 43:[30, 94] Operation: 90+4=94 Exploring Operation: 90-4=86, Resulting Numbers: [30, 86] Generated Node #0,1,3: 43:[30, 86] Operation: 90-4=86 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[4, 60], Operations: ['28+2=30', '90-30=60'] Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,43 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[90, 34], Operations: ['28+2=30', '4+30=34'] Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 90*34=3060, Resulting Numbers: [3060] 3060,43 unequal: No Solution Exploring Operation: 90+34=124, Resulting Numbers: [124] 124,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[30, 86], Operations: ['28+2=30', '90-4=86'] Exploring Operation: 30+86=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 30*86=2580, Resulting Numbers: [2580] 2580,43 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[30, 94], Operations: ['28+2=30', '90+4=94'] Exploring Operation: 30+94=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 30*94=2820, Resulting Numbers: [2820] 2820,43 unequal: No Solution Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 43:[2, 4, 62], Operations: ['90-28=62'] Exploring Operation: 62-2=60, Resulting Numbers: [4, 60] Generated Node #0,0,0: 43:[4, 60] Operation: 62-2=60 Exploring Operation: 2*4=8, Resulting Numbers: [62, 8] Generated Node #0,0,1: 43:[62, 8] Operation: 2*4=8 Exploring Operation: 2+4=6, Resulting Numbers: [62, 6] Generated Node #0,0,2: 43:[62, 6] Operation: 2+4=6 Exploring Operation: 62/2=31, Resulting Numbers: [4, 31] Generated Node #0,0,3: 43:[4, 31] Operation: 62/2=31 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[4, 31], Operations: ['90-28=62', '62/2=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[62, 8], Operations: ['90-28=62', '2*4=8'] Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,43 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[4, 60], Operations: ['90-28=62', '62-2=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,43 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[62, 6], Operations: ['90-28=62', '2+4=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 43:[45, 32], Operations: ['90/2=45', '28+4=32'] Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,43 unequal: No Solution Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[28, 41], Operations: ['90/2=45', '45-4=41'] Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,43 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[28, 49], Operations: ['90/2=45', '4+45=49'] Exploring Operation: 28*49=1372, Resulting Numbers: [1372] 1372,43 unequal: No Solution Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 28+49=77, Resulting Numbers: [77] 77,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[45, 24], Operations: ['90/2=45', '28-4=24'] Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[8, 62], Operations: ['2*4=8', '90-28=62'] Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,43 unequal: No Solution Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,43 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[90, 36], Operations: ['2*4=8', '28+8=36'] Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,43 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[28, 82], Operations: ['2*4=8', '90-8=82'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,43 unequal: No Solution Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[90, 20], Operations: ['2*4=8', '28-8=20'] Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,43 unequal: No Solution Exploring Operation: 90+20=110, Resulting Numbers: [110] 110,43 unequal: No Solution Exploring Operation: 90*20=1800, Resulting Numbers: [1800] 1800,43 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 65, 52, 34, 67 ]
16
[ "65+52=117", "34+67=101", "117-101=16" ]
Current State: 16:[65, 52, 34, 67], Operations: [] Exploring Operation: 65+52=117, Resulting Numbers: [34, 67, 117] Generated Node #2: [34, 67, 117] from Operation: 65+52=117 Current State: 16:[34, 67, 117], Operations: ['65+52=117'] Exploring Operation: 34+67=101, Resulting Numbers: [117, 101] Generated Node #3: [117, 101] from Operation: 34+67=101 Current State: 16:[117, 101], Operations: ['65+52=117', '34+67=101'] Exploring Operation: 117-101=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[65, 52, 34, 67], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [52, 34, 2] Generated Node #0,0: 16:[52, 34, 2] Operation: 67-65=2 Exploring Operation: 67-52=15, Resulting Numbers: [65, 34, 15] Generated Node #0,1: 16:[65, 34, 15] Operation: 67-52=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[52, 34, 2], Operations: ['67-65=2'] Exploring Operation: 52/2=26, Resulting Numbers: [34, 26] Generated Node #0,0,0: 16:[34, 26] Operation: 52/2=26 Exploring Operation: 52-34=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 16:[2, 18] Operation: 52-34=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[2, 18], Operations: ['67-65=2', '52-34=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[65, 52, 34, 67], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [52, 34, 2] Generated Node #0,0: 16:[52, 34, 2] Operation: 67-65=2 Moving to Node #0,0 Current State: 16:[52, 34, 2], Operations: ['67-65=2'] Exploring Operation: 52-34=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 16:[2, 18] Operation: 52-34=18 Moving to Node #0,0,1 Current State: 16:[2, 18], Operations: ['67-65=2', '52-34=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 83, 27, 9, 46 ]
73
[ "83+27=110", "46-9=37", "110-37=73" ]
Current State: 73:[83, 27, 9, 46], Operations: [] Exploring Operation: 83+27=110, Resulting Numbers: [9, 46, 110] Generated Node #2: [9, 46, 110] from Operation: 83+27=110 Current State: 73:[9, 46, 110], Operations: ['83+27=110'] Exploring Operation: 46-9=37, Resulting Numbers: [110, 37] Generated Node #3: [110, 37] from Operation: 46-9=37 Current State: 73:[110, 37], Operations: ['83+27=110', '46-9=37'] Exploring Operation: 110-37=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[83, 27, 9, 46], Operations: [] Exploring Operation: 9+46=55, Resulting Numbers: [83, 27, 55] Generated Node #0,0: 73:[83, 27, 55] Operation: 9+46=55 Exploring Operation: 83-9=74, Resulting Numbers: [27, 46, 74] Generated Node #0,1: 73:[27, 46, 74] Operation: 83-9=74 Exploring Operation: 27+9=36, Resulting Numbers: [83, 46, 36] Generated Node #0,2: 73:[83, 46, 36] Operation: 27+9=36 Exploring Operation: 27+46=73, Resulting Numbers: [83, 9, 73] Generated Node #0,3: 73:[83, 9, 73] Operation: 27+46=73 Moving to Node #0,0 Current State: 73:[83, 27, 55], Operations: ['9+46=55'] Exploring Operation: 83-27=56, Resulting Numbers: [55, 56] Generated Node #0,0,0: 73:[55, 56] Operation: 83-27=56 Exploring Operation: 55-27=28, Resulting Numbers: [83, 28] Generated Node #0,0,1: 73:[83, 28] Operation: 55-27=28 Exploring Operation: 27+55=82, Resulting Numbers: [83, 82] Generated Node #0,0,2: 73:[83, 82] Operation: 27+55=82 Exploring Operation: 83+27=110, Resulting Numbers: [55, 110] Generated Node #0,0,3: 73:[55, 110] Operation: 83+27=110 Moving to Node #0,2 Current State: 73:[83, 46, 36], Operations: ['27+9=36'] Exploring Operation: 46+36=82, Resulting Numbers: [83, 82] Generated Node #0,2,0: 73:[83, 82] Operation: 46+36=82 Exploring Operation: 83-36=47, Resulting Numbers: [46, 47] Generated Node #0,2,1: 73:[46, 47] Operation: 83-36=47 Exploring Operation: 83-46=37, Resulting Numbers: [36, 37] Generated Node #0,2,2: 73:[36, 37] Operation: 83-46=37 Exploring Operation: 83+36=119, Resulting Numbers: [46, 119] Generated Node #0,2,3: 73:[46, 119] Operation: 83+36=119 Moving to Node #0,1 Current State: 73:[27, 46, 74], Operations: ['83-9=74'] Exploring Operation: 74-27=47, Resulting Numbers: [46, 47] Generated Node #0,1,0: 73:[46, 47] Operation: 74-27=47 Exploring Operation: 27+74=101, Resulting Numbers: [46, 101] Generated Node #0,1,1: 73:[46, 101] Operation: 27+74=101 Exploring Operation: 27+46=73, Resulting Numbers: [74, 73] Generated Node #0,1,2: 73:[74, 73] Operation: 27+46=73 Exploring Operation: 46-27=19, Resulting Numbers: [74, 19] Generated Node #0,1,3: 73:[74, 19] Operation: 46-27=19 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[74, 73], Operations: ['83-9=74', '27+46=73'] Exploring Operation: 74+73=147, Resulting Numbers: [147] 147,73 unequal: No Solution Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 74*73=5402, Resulting Numbers: [5402] 5402,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[46, 47], Operations: ['83-9=74', '74-27=47'] Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,73 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[46, 101], Operations: ['83-9=74', '27+74=101'] Exploring Operation: 101-46=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 46*101=4646, Resulting Numbers: [4646] 4646,73 unequal: No Solution Exploring Operation: 46+101=147, Resulting Numbers: [147] 147,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[74, 19], Operations: ['83-9=74', '46-27=19'] Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 74*19=1406, Resulting Numbers: [1406] 1406,73 unequal: No Solution Exploring Operation: 74+19=93, Resulting Numbers: [93] 93,73 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: 73:[83, 9, 73], Operations: ['27+46=73'] Exploring Operation: 83+9=92, Resulting Numbers: [73, 92] Generated Node #0,3,0: 73:[73, 92] Operation: 83+9=92 Exploring Operation: 73-9=64, Resulting Numbers: [83, 64] Generated Node #0,3,1: 73:[83, 64] Operation: 73-9=64 Exploring Operation: 83-9=74, Resulting Numbers: [73, 74] Generated Node #0,3,2: 73:[73, 74] Operation: 83-9=74 Exploring Operation: 9+73=82, Resulting Numbers: [83, 82] Generated Node #0,3,3: 73:[83, 82] Operation: 9+73=82 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[73, 74], Operations: ['27+46=73', '83-9=74'] Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 73*74=5402, Resulting Numbers: [5402] 5402,73 unequal: No Solution Exploring Operation: 73+74=147, Resulting Numbers: [147] 147,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[73, 92], Operations: ['27+46=73', '83+9=92'] Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,73 unequal: No Solution Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[83, 64], Operations: ['27+46=73', '73-9=64'] Exploring Operation: 83+64=147, Resulting Numbers: [147] 147,73 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 83*64=5312, Resulting Numbers: [5312] 5312,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[83, 82], Operations: ['27+46=73', '9+73=82'] Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,73 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 73:[83, 82], Operations: ['9+46=55', '27+55=82'] Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[83, 82], Operations: ['27+9=36', '46+36=82'] Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,73 unequal: No Solution Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[55, 56], Operations: ['9+46=55', '83-27=56'] Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,73 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,73 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[46, 47], Operations: ['27+9=36', '83-36=47'] Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,73 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,73 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[83, 28], Operations: ['9+46=55', '55-27=28'] Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 83*28=2324, Resulting Numbers: [2324] 2324,73 unequal: No Solution Exploring Operation: 83+28=111, Resulting Numbers: [111] 111,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[55, 110], Operations: ['9+46=55', '83+27=110'] Exploring Operation: 55+110=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 110-55=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 55*110=6050, Resulting Numbers: [6050] 6050,73 unequal: No Solution Exploring Operation: 110/55=2, Resulting Numbers: [2] 2,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[36, 37], Operations: ['27+9=36', '83-46=37'] Exploring Operation: 36*37=1332, Resulting Numbers: [1332] 1332,73 unequal: No Solution Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[83, 27, 9, 46], Operations: [] Exploring Operation: 27+9=36, Resulting Numbers: [83, 46, 36] Generated Node #0,2: 73:[83, 46, 36] Operation: 27+9=36 Moving to Node #0,2 Current State: 73:[83, 46, 36], Operations: ['27+9=36'] Exploring Operation: 83-46=37, Resulting Numbers: [36, 37] Generated Node #0,2,2: 73:[36, 37] Operation: 83-46=37 Moving to Node #0,2,2 Current State: 73:[36, 37], Operations: ['27+9=36', '83-46=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.940104
hs_4
sum_heuristic
[ 38, 60, 4, 28 ]
64
[ "38*4=152", "60+28=88", "152-88=64" ]
Current State: 64:[38, 60, 4, 28], Operations: [] Exploring Operation: 38*4=152, Resulting Numbers: [60, 28, 152] Generated Node #2: [60, 28, 152] from Operation: 38*4=152 Current State: 64:[60, 28, 152], Operations: ['38*4=152'] Exploring Operation: 60+28=88, Resulting Numbers: [152, 88] Generated Node #3: [152, 88] from Operation: 60+28=88 Current State: 64:[152, 88], Operations: ['38*4=152', '60+28=88'] Exploring Operation: 152-88=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[38, 60, 4, 28], Operations: [] Exploring Operation: 38+28=66, Resulting Numbers: [60, 4, 66] Generated Node #0,0: 64:[60, 4, 66] Operation: 38+28=66 Exploring Operation: 38-28=10, Resulting Numbers: [60, 4, 10] Generated Node #0,1: 64:[60, 4, 10] Operation: 38-28=10 Exploring Operation: 60-38=22, Resulting Numbers: [4, 28, 22] Generated Node #0,2: 64:[4, 28, 22] Operation: 60-38=22 Exploring Operation: 60-28=32, Resulting Numbers: [38, 4, 32] Generated Node #0,3: 64:[38, 4, 32] Operation: 60-28=32 Exploring Operation: 38-4=34, Resulting Numbers: [60, 28, 34] Generated Node #0,4: 64:[60, 28, 34] Operation: 38-4=34 Moving to Node #0,0 Current State: 64:[60, 4, 66], Operations: ['38+28=66'] Exploring Operation: 66-4=62, Resulting Numbers: [60, 62] Generated Node #0,0,0: 64:[60, 62] Operation: 66-4=62 Exploring Operation: 60-4=56, Resulting Numbers: [66, 56] Generated Node #0,0,1: 64:[66, 56] Operation: 60-4=56 Exploring Operation: 60+4=64, Resulting Numbers: [66, 64] Generated Node #0,0,2: 64:[66, 64] Operation: 60+4=64 Exploring Operation: 60/4=15, Resulting Numbers: [66, 15] Generated Node #0,0,3: 64:[66, 15] Operation: 60/4=15 Exploring Operation: 66-60=6, Resulting Numbers: [4, 6] Generated Node #0,0,4: 64:[4, 6] Operation: 66-60=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[66, 64], Operations: ['38+28=66', '60+4=64'] Exploring Operation: 66+64=130, Resulting Numbers: [130] 130,64 unequal: No Solution Exploring Operation: 66*64=4224, Resulting Numbers: [4224] 4224,64 unequal: No Solution Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 64:[4, 6], Operations: ['38+28=66', '66-60=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 64:[66, 15], Operations: ['38+28=66', '60/4=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,64 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[60, 62], Operations: ['38+28=66', '66-4=62'] Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[66, 56], Operations: ['38+28=66', '60-4=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,64 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: 64:[38, 4, 32], Operations: ['60-28=32'] Exploring Operation: 38-32=6, Resulting Numbers: [4, 6] Generated Node #0,3,0: 64:[4, 6] Operation: 38-32=6 Exploring Operation: 38-4=34, Resulting Numbers: [32, 34] Generated Node #0,3,1: 64:[32, 34] Operation: 38-4=34 Exploring Operation: 32/4=8, Resulting Numbers: [38, 8] Generated Node #0,3,2: 64:[38, 8] Operation: 32/4=8 Exploring Operation: 38+32=70, Resulting Numbers: [4, 70] Generated Node #0,3,3: 64:[4, 70] Operation: 38+32=70 Exploring Operation: 38+4=42, Resulting Numbers: [32, 42] Generated Node #0,3,4: 64:[32, 42] Operation: 38+4=42 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[4, 6], Operations: ['60-28=32', '38-32=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 64:[32, 34], Operations: ['60-28=32', '38-4=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,64 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 64:[38, 8], Operations: ['60-28=32', '32/4=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,64 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 64:[4, 70], Operations: ['60-28=32', '38+32=70'] Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,64 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 64:[32, 42], Operations: ['60-28=32', '38+4=42'] Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,64 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,64 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: 64:[60, 4, 10], Operations: ['38-28=10'] Exploring Operation: 60+4=64, Resulting Numbers: [10, 64] Generated Node #0,1,0: 64:[10, 64] Operation: 60+4=64 Exploring Operation: 60/10=6, Resulting Numbers: [4, 6] Generated Node #0,1,1: 64:[4, 6] Operation: 60/10=6 Exploring Operation: 4+10=14, Resulting Numbers: [60, 14] Generated Node #0,1,2: 64:[60, 14] Operation: 4+10=14 Exploring Operation: 60+10=70, Resulting Numbers: [4, 70] Generated Node #0,1,3: 64:[4, 70] Operation: 60+10=70 Exploring Operation: 60/4=15, Resulting Numbers: [10, 15] Generated Node #0,1,4: 64:[10, 15] Operation: 60/4=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[10, 64], Operations: ['38-28=10', '60+4=64'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[4, 6], Operations: ['38-28=10', '60/10=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[10, 15], Operations: ['38-28=10', '60/4=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[60, 14], Operations: ['38-28=10', '4+10=14'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 60*14=840, Resulting Numbers: [840] 840,64 unequal: No Solution Exploring Operation: 60+14=74, Resulting Numbers: [74] 74,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[4, 70], Operations: ['38-28=10', '60+10=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,64 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: 64:[4, 28, 22], Operations: ['60-38=22'] Exploring Operation: 28/4=7, Resulting Numbers: [22, 7] Generated Node #0,2,0: 64:[22, 7] Operation: 28/4=7 Exploring Operation: 22-4=18, Resulting Numbers: [28, 18] Generated Node #0,2,1: 64:[28, 18] Operation: 22-4=18 Exploring Operation: 4+22=26, Resulting Numbers: [28, 26] Generated Node #0,2,2: 64:[28, 26] Operation: 4+22=26 Exploring Operation: 4+28=32, Resulting Numbers: [22, 32] Generated Node #0,2,3: 64:[22, 32] Operation: 4+28=32 Exploring Operation: 28-22=6, Resulting Numbers: [4, 6] Generated Node #0,2,4: 64:[4, 6] Operation: 28-22=6 Moving to Node #0,4 Current State: 64:[60, 28, 34], Operations: ['38-4=34'] Exploring Operation: 60-34=26, Resulting Numbers: [28, 26] Generated Node #0,4,0: 64:[28, 26] Operation: 60-34=26 Exploring Operation: 34-28=6, Resulting Numbers: [60, 6] Generated Node #0,4,1: 64:[60, 6] Operation: 34-28=6 Exploring Operation: 60-28=32, Resulting Numbers: [34, 32] Generated Node #0,4,2: 64:[34, 32] Operation: 60-28=32 Exploring Operation: 28+34=62, Resulting Numbers: [60, 62] Generated Node #0,4,3: 64:[60, 62] Operation: 28+34=62 Exploring Operation: 60+28=88, Resulting Numbers: [34, 88] Generated Node #0,4,4: 64:[34, 88] Operation: 60+28=88 Moving to Node #0,2,4 Current State: 64:[4, 6], Operations: ['60-38=22', '28-22=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[34, 32], Operations: ['38-4=34', '60-28=32'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,64 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[60, 6], Operations: ['38-4=34', '34-28=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 60*6=360, Resulting Numbers: [360] 360,64 unequal: No Solution Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[22, 32], Operations: ['60-38=22', '4+28=32'] Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[28, 18], Operations: ['60-38=22', '22-4=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[60, 62], Operations: ['38-4=34', '28+34=62'] Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,64 unequal: No Solution Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[22, 7], Operations: ['60-38=22', '28/4=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,64 unequal: No Solution Moving to Node #0,4,0 Current State: 64:[28, 26], Operations: ['38-4=34', '60-34=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,64 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[28, 26], Operations: ['60-38=22', '4+22=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,64 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[34, 88], Operations: ['38-4=34', '60+28=88'] Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 34*88=2992, Resulting Numbers: [2992] 2992,64 unequal: No Solution Exploring Operation: 34+88=122, Resulting Numbers: [122] 122,64 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 58, 43, 41, 32 ]
58
[ "58-43=15", "41+32=73", "73-15=58" ]
Current State: 58:[58, 43, 41, 32], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [41, 32, 15] Generated Node #2: [41, 32, 15] from Operation: 58-43=15 Current State: 58:[41, 32, 15], Operations: ['58-43=15'] Exploring Operation: 41+32=73, Resulting Numbers: [15, 73] Generated Node #3: [15, 73] from Operation: 41+32=73 Current State: 58:[15, 73], Operations: ['58-43=15', '41+32=73'] Exploring Operation: 73-15=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[58, 43, 41, 32], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [58, 32, 2] Generated Node #0,0: 58:[58, 32, 2] Operation: 43-41=2 Moving to Node #0,0 Current State: 58:[58, 32, 2], Operations: ['43-41=2'] Exploring Operation: 32-2=30, Resulting Numbers: [58, 30] Generated Node #0,0,0: 58:[58, 30] Operation: 32-2=30 Moving to Node #0,0,0 Current State: 58:[58, 30], Operations: ['43-41=2', '32-2=30'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 71, 66, 50, 8 ]
57
[ "66-50=16", "8*16=128", "128-71=57" ]
Current State: 57:[71, 66, 50, 8], Operations: [] Exploring Operation: 66-50=16, Resulting Numbers: [71, 8, 16] Generated Node #2: [71, 8, 16] from Operation: 66-50=16 Current State: 57:[71, 8, 16], Operations: ['66-50=16'] Exploring Operation: 8*16=128, Resulting Numbers: [71, 128] Generated Node #3: [71, 128] from Operation: 8*16=128 Current State: 57:[71, 128], Operations: ['66-50=16', '8*16=128'] Exploring Operation: 128-71=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[71, 66, 50, 8], Operations: [] Exploring Operation: 71-50=21, Resulting Numbers: [66, 8, 21] Generated Node #0,0: 57:[66, 8, 21] Operation: 71-50=21 Exploring Operation: 71-8=63, Resulting Numbers: [66, 50, 63] Generated Node #0,1: 57:[66, 50, 63] Operation: 71-8=63 Exploring Operation: 66-50=16, Resulting Numbers: [71, 8, 16] Generated Node #0,2: 57:[71, 8, 16] Operation: 66-50=16 Exploring Operation: 71-66=5, Resulting Numbers: [50, 8, 5] Generated Node #0,3: 57:[50, 8, 5] Operation: 71-66=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[50, 8, 5], Operations: ['71-66=5'] Exploring Operation: 8-5=3, Resulting Numbers: [50, 3] Generated Node #0,3,0: 57:[50, 3] Operation: 8-5=3 Exploring Operation: 50/5=10, Resulting Numbers: [8, 10] Generated Node #0,3,1: 57:[8, 10] Operation: 50/5=10 Exploring Operation: 50+8=58, Resulting Numbers: [5, 58] Generated Node #0,3,2: 57:[5, 58] Operation: 50+8=58 Exploring Operation: 50+5=55, Resulting Numbers: [8, 55] Generated Node #0,3,3: 57:[8, 55] Operation: 50+5=55 Moving to Node #0,3,2 Current State: 57:[5, 58], Operations: ['71-66=5', '50+8=58'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,57 unequal: No Solution Moving to Node #0,3,3 Current State: 57:[8, 55], Operations: ['71-66=5', '50+5=55'] Exploring Operation: 8*55=440, Resulting Numbers: [440] 440,57 unequal: No Solution Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,57 unequal: No Solution Moving to Node #0,3,0 Current State: 57:[50, 3], Operations: ['71-66=5', '8-5=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[8, 10], Operations: ['71-66=5', '50/5=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,57 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 #0,0 Current State: 57:[66, 8, 21], Operations: ['71-50=21'] Exploring Operation: 21-8=13, Resulting Numbers: [66, 13] Generated Node #0,0,0: 57:[66, 13] Operation: 21-8=13 Exploring Operation: 66+8=74, Resulting Numbers: [21, 74] Generated Node #0,0,1: 57:[21, 74] Operation: 66+8=74 Exploring Operation: 66-8=58, Resulting Numbers: [21, 58] Generated Node #0,0,2: 57:[21, 58] Operation: 66-8=58 Exploring Operation: 66-21=45, Resulting Numbers: [8, 45] Generated Node #0,0,3: 57:[8, 45] Operation: 66-21=45 Moving to Node #0,0,2 Current State: 57:[21, 58], Operations: ['71-50=21', '66-8=58'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,57 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[66, 13], Operations: ['71-50=21', '21-8=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,57 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[8, 45], Operations: ['71-50=21', '66-21=45'] Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,57 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[21, 74], Operations: ['71-50=21', '66+8=74'] Exploring Operation: 21+74=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 21*74=1554, Resulting Numbers: [1554] 1554,57 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,57 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 #0,1 Current State: 57:[66, 50, 63], Operations: ['71-8=63'] Exploring Operation: 66-63=3, Resulting Numbers: [50, 3] Generated Node #0,1,0: 57:[50, 3] Operation: 66-63=3 Exploring Operation: 63-50=13, Resulting Numbers: [66, 13] Generated Node #0,1,1: 57:[66, 13] Operation: 63-50=13 Exploring Operation: 66+50=116, Resulting Numbers: [63, 116] Generated Node #0,1,2: 57:[63, 116] Operation: 66+50=116 Exploring Operation: 66-50=16, Resulting Numbers: [63, 16] Generated Node #0,1,3: 57:[63, 16] Operation: 66-50=16 Moving to Node #0,1,0 Current State: 57:[50, 3], Operations: ['71-8=63', '66-63=3'] Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,57 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[63, 16], Operations: ['71-8=63', '66-50=16'] Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,57 unequal: No Solution Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[66, 13], Operations: ['71-8=63', '63-50=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,57 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[63, 116], Operations: ['71-8=63', '66+50=116'] Exploring Operation: 63*116=7308, Resulting Numbers: [7308] 7308,57 unequal: No Solution Exploring Operation: 116-63=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 63+116=179, Resulting Numbers: [179] 179,57 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 #0,2 Current State: 57:[71, 8, 16], Operations: ['66-50=16'] Exploring Operation: 71-8=63, Resulting Numbers: [16, 63] Generated Node #0,2,0: 57:[16, 63] Operation: 71-8=63 Exploring Operation: 8+16=24, Resulting Numbers: [71, 24] Generated Node #0,2,1: 57:[71, 24] Operation: 8+16=24 Exploring Operation: 16/8=2, Resulting Numbers: [71, 2] Generated Node #0,2,2: 57:[71, 2] Operation: 16/8=2 Exploring Operation: 71-16=55, Resulting Numbers: [8, 55] Generated Node #0,2,3: 57:[8, 55] Operation: 71-16=55 Moving to Node #0,2,3 Current State: 57:[8, 55], Operations: ['66-50=16', '71-16=55'] Exploring Operation: 8*55=440, Resulting Numbers: [440] 440,57 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[16, 63], Operations: ['66-50=16', '71-8=63'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 16+63=79, Resulting Numbers: [79] 79,57 unequal: No Solution Exploring Operation: 16*63=1008, Resulting Numbers: [1008] 1008,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[71, 2], Operations: ['66-50=16', '16/8=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[71, 24], Operations: ['66-50=16', '8+16=24'] Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 71*24=1704, Resulting Numbers: [1704] 1704,57 unequal: No Solution Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,57 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
[ 41, 11, 22, 20 ]
50
[ "41+11=52", "22-20=2", "52-2=50" ]
Current State: 50:[41, 11, 22, 20], Operations: [] Exploring Operation: 41+11=52, Resulting Numbers: [22, 20, 52] Generated Node #2: [22, 20, 52] from Operation: 41+11=52 Current State: 50:[22, 20, 52], Operations: ['41+11=52'] Exploring Operation: 22-20=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 22-20=2 Current State: 50:[52, 2], Operations: ['41+11=52', '22-20=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[41, 11, 22, 20], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [11, 22, 21] Generated Node #0,0: 50:[11, 22, 21] Operation: 41-20=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[11, 22, 21], Operations: ['41-20=21'] Exploring Operation: 22-21=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 50:[11, 1] Operation: 22-21=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[11, 1], Operations: ['41-20=21', '22-21=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,50 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_1
mult_heuristic
[ 34, 34, 40, 72 ]
46
[ "40-34=6", "72/6=12", "34+12=46" ]
Current State: 46:[34, 34, 40, 72], Operations: [] Exploring Operation: 40-34=6, Resulting Numbers: [72, 6] Generated Node #2: [72, 6] from Operation: 40-34=6 Current State: 46:[72, 6], Operations: ['40-34=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,46 equal: Goal Reached Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[34, 34, 40, 72], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [34, 40, 38] Generated Node #0,0: 46:[34, 40, 38] Operation: 72-34=38 Exploring Operation: 72-34=38, Resulting Numbers: [34, 40, 38] Generated Node #0,1: 46:[34, 40, 38] Operation: 72-34=38 Exploring Operation: 72-40=32, Resulting Numbers: [34, 34, 32] Generated Node #0,2: 46:[34, 34, 32] Operation: 72-40=32 Exploring Operation: 34/34=1, Resulting Numbers: [40, 72, 1] Generated Node #0,3: 46:[40, 72, 1] Operation: 34/34=1 Moving to Node #0,0 Current State: 46:[34, 40, 38], Operations: ['72-34=38'] Exploring Operation: 40-34=6, Resulting Numbers: [38, 6] Generated Node #0,0,0: 46:[38, 6] Operation: 40-34=6 Exploring Operation: 38-34=4, Resulting Numbers: [40, 4] Generated Node #0,0,1: 46:[40, 4] Operation: 38-34=4 Exploring Operation: 40-38=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 46:[34, 2] Operation: 40-38=2 Exploring Operation: 34+38=72, Resulting Numbers: [40, 72] Generated Node #0,0,3: 46:[40, 72] Operation: 34+38=72 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[40, 4], Operations: ['72-34=38', '38-34=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,46 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[34, 2], Operations: ['72-34=38', '40-38=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[38, 6], Operations: ['72-34=38', '40-34=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 46:[40, 72], Operations: ['72-34=38', '34+38=72'] Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,46 unequal: No Solution Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 46:[34, 40, 38], Operations: ['72-34=38'] Exploring Operation: 40-34=6, Resulting Numbers: [38, 6] Generated Node #0,1,0: 46:[38, 6] Operation: 40-34=6 Exploring Operation: 38-34=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 46:[40, 4] Operation: 38-34=4 Exploring Operation: 40-38=2, Resulting Numbers: [34, 2] Generated Node #0,1,2: 46:[34, 2] Operation: 40-38=2 Exploring Operation: 34+38=72, Resulting Numbers: [40, 72] Generated Node #0,1,3: 46:[40, 72] Operation: 34+38=72 Moving to Node #0,2 Current State: 46:[34, 34, 32], Operations: ['72-40=32'] Exploring Operation: 34-32=2, Resulting Numbers: [34, 2] Generated Node #0,2,0: 46:[34, 2] Operation: 34-32=2 Exploring Operation: 34-32=2, Resulting Numbers: [34, 2] Generated Node #0,2,1: 46:[34, 2] Operation: 34-32=2 Exploring Operation: 34/34=1, Resulting Numbers: [32, 1] Generated Node #0,2,2: 46:[32, 1] Operation: 34/34=1 Exploring Operation: 34-34=0, Resulting Numbers: [32, 0] Generated Node #0,2,3: 46:[32, 0] Operation: 34-34=0 Moving to Node #0,3 Current State: 46:[40, 72, 1], Operations: ['34/34=1'] Exploring Operation: 40*1=40, Resulting Numbers: [72, 40] Generated Node #0,3,0: 46:[72, 40] Operation: 40*1=40 Exploring Operation: 72-40=32, Resulting Numbers: [1, 32] Generated Node #0,3,1: 46:[1, 32] Operation: 72-40=32 Exploring Operation: 72-1=71, Resulting Numbers: [40, 71] Generated Node #0,3,2: 46:[40, 71] Operation: 72-1=71 Exploring Operation: 40+1=41, Resulting Numbers: [72, 41] Generated Node #0,3,3: 46:[72, 41] Operation: 40+1=41 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[1, 32], Operations: ['34/34=1', '72-40=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 46:[40, 71], Operations: ['34/34=1', '72-1=71'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 40*71=2840, Resulting Numbers: [2840] 2840,46 unequal: No Solution Exploring Operation: 40+71=111, Resulting Numbers: [111] 111,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 46:[72, 41], Operations: ['34/34=1', '40+1=41'] Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,46 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[72, 40], Operations: ['34/34=1', '40*1=40'] Exploring Operation: 72*40=2880, Resulting Numbers: [2880] 2880,46 unequal: No Solution Exploring Operation: 72+40=112, Resulting Numbers: [112] 112,46 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,46 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: 46:[40, 4], Operations: ['72-34=38', '38-34=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[32, 1], Operations: ['72-40=32', '34/34=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[34, 2], Operations: ['72-40=32', '34-32=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[34, 2], Operations: ['72-40=32', '34-32=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[34, 2], Operations: ['72-34=38', '40-38=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,46 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[32, 0], Operations: ['72-40=32', '34-34=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 32*0=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[38, 6], Operations: ['72-34=38', '40-34=6'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,46 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[40, 72], Operations: ['72-34=38', '34+38=72'] Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,46 unequal: No Solution Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,46 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 56, 30, 60, 45 ]
99
[ "56+45=101", "60/30=2", "101-2=99" ]
Current State: 99:[56, 30, 60, 45], Operations: [] Exploring Operation: 56+45=101, Resulting Numbers: [30, 60, 101] Generated Node #2: [30, 60, 101] from Operation: 56+45=101 Current State: 99:[30, 60, 101], Operations: ['56+45=101'] Exploring Operation: 60/30=2, Resulting Numbers: [101, 2] Generated Node #3: [101, 2] from Operation: 60/30=2 Current State: 99:[101, 2], Operations: ['56+45=101', '60/30=2'] Exploring Operation: 101-2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[56, 30, 60, 45], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [30, 45, 4] Generated Node #0,0: 99:[30, 45, 4] Operation: 60-56=4 Exploring Operation: 56-45=11, Resulting Numbers: [30, 60, 11] Generated Node #0,1: 99:[30, 60, 11] Operation: 56-45=11 Exploring Operation: 60-45=15, Resulting Numbers: [56, 30, 15] Generated Node #0,2: 99:[56, 30, 15] Operation: 60-45=15 Moving to Node #0,0 Current State: 99:[30, 45, 4], Operations: ['60-56=4'] Exploring Operation: 45-30=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 99:[4, 15] Operation: 45-30=15 Exploring Operation: 45-4=41, Resulting Numbers: [30, 41] Generated Node #0,0,1: 99:[30, 41] Operation: 45-4=41 Exploring Operation: 30+4=34, Resulting Numbers: [45, 34] Generated Node #0,0,2: 99:[45, 34] Operation: 30+4=34 Moving to Node #0,1 Current State: 99:[30, 60, 11], Operations: ['56-45=11'] Exploring Operation: 30+60=90, Resulting Numbers: [11, 90] Generated Node #0,1,0: 99:[11, 90] Operation: 30+60=90 Exploring Operation: 60/30=2, Resulting Numbers: [11, 2] Generated Node #0,1,1: 99:[11, 2] Operation: 60/30=2 Exploring Operation: 60-30=30, Resulting Numbers: [11, 30] Generated Node #0,1,2: 99:[11, 30] Operation: 60-30=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[11, 2], Operations: ['56-45=11', '60/30=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[11, 30], Operations: ['56-45=11', '60-30=30'] Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,99 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[11, 90], Operations: ['56-45=11', '30+60=90'] Exploring Operation: 11*90=990, Resulting Numbers: [990] 990,99 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 11+90=101, Resulting Numbers: [101] 101,99 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: 99:[56, 30, 15], Operations: ['60-45=15'] Exploring Operation: 56-15=41, Resulting Numbers: [30, 41] Generated Node #0,2,0: 99:[30, 41] Operation: 56-15=41 Exploring Operation: 56+30=86, Resulting Numbers: [15, 86] Generated Node #0,2,1: 99:[15, 86] Operation: 56+30=86 Exploring Operation: 56-30=26, Resulting Numbers: [15, 26] Generated Node #0,2,2: 99:[15, 26] Operation: 56-30=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 99:[30, 41], Operations: ['60-45=15', '56-15=41'] Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,99 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[15, 26], Operations: ['60-45=15', '56-30=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,99 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[15, 86], Operations: ['60-45=15', '56+30=86'] Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 15+86=101, Resulting Numbers: [101] 101,99 unequal: No Solution Exploring Operation: 15*86=1290, Resulting Numbers: [1290] 1290,99 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: 99:[4, 15], Operations: ['60-56=4', '45-30=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[30, 41], Operations: ['60-56=4', '45-4=41'] Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[45, 34], Operations: ['60-56=4', '30+4=34'] Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 45+34=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 45*34=1530, Resulting Numbers: [1530] 1530,99 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 25, 6, 98, 66 ]
84
[ "98-25=73", "66/6=11", "73+11=84" ]
Current State: 84:[25, 6, 98, 66], Operations: [] Exploring Operation: 98-25=73, Resulting Numbers: [6, 66, 73] Generated Node #2: [6, 66, 73] from Operation: 98-25=73 Current State: 84:[6, 66, 73], Operations: ['98-25=73'] Exploring Operation: 66/6=11, Resulting Numbers: [73, 11] Generated Node #3: [73, 11] from Operation: 66/6=11 Current State: 84:[73, 11], Operations: ['98-25=73', '66/6=11'] Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[25, 6, 98, 66], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [25, 6, 32] Generated Node #0,0: 84:[25, 6, 32] Operation: 98-66=32 Exploring Operation: 66-25=41, Resulting Numbers: [6, 98, 41] Generated Node #0,1: 84:[6, 98, 41] Operation: 66-25=41 Moving to Node #0,0 Current State: 84:[25, 6, 32], Operations: ['98-66=32'] Exploring Operation: 32-25=7, Resulting Numbers: [6, 7] Generated Node #0,0,0: 84:[6, 7] Operation: 32-25=7 Exploring Operation: 32-6=26, Resulting Numbers: [25, 26] Generated Node #0,0,1: 84:[25, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[6, 7], Operations: ['98-66=32', '32-25=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[25, 26], Operations: ['98-66=32', '32-6=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,84 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: 84:[6, 98, 41], Operations: ['66-25=41'] Exploring Operation: 98-41=57, Resulting Numbers: [6, 57] Generated Node #0,1,0: 84:[6, 57] Operation: 98-41=57 Exploring Operation: 98-6=92, Resulting Numbers: [41, 92] Generated Node #0,1,1: 84:[41, 92] Operation: 98-6=92 Moving to Node #0,1,1 Current State: 84:[41, 92], Operations: ['66-25=41', '98-6=92'] Exploring Operation: 92-41=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 41+92=133, Resulting Numbers: [133] 133,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[6, 57], Operations: ['66-25=41', '98-41=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,84 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,84 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 13, 33, 24, 40 ]
84
[ "33-13=20", "24+40=64", "20+64=84" ]
Current State: 84:[13, 33, 24, 40], Operations: [] Exploring Operation: 33-13=20, Resulting Numbers: [24, 40, 20] Generated Node #2: [24, 40, 20] from Operation: 33-13=20 Current State: 84:[24, 40, 20], Operations: ['33-13=20'] Exploring Operation: 24+40=64, Resulting Numbers: [20, 64] Generated Node #3: [20, 64] from Operation: 24+40=64 Current State: 84:[20, 64], Operations: ['33-13=20', '24+40=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[13, 33, 24, 40], Operations: [] Exploring Operation: 40-33=7, Resulting Numbers: [13, 24, 7] Generated Node #0,0: 84:[13, 24, 7] Operation: 40-33=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[13, 24, 7], Operations: ['40-33=7'] Exploring Operation: 24-13=11, Resulting Numbers: [7, 11] Generated Node #0,0,0: 84:[7, 11] Operation: 24-13=11 Moving to Node #0,0,0 Current State: 84:[7, 11], Operations: ['40-33=7', '24-13=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,84 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
[ 3, 45, 15, 22 ]
79
[ "45-3=42", "15+22=37", "42+37=79" ]
Current State: 79:[3, 45, 15, 22], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [15, 22, 42] Generated Node #2: [15, 22, 42] from Operation: 45-3=42 Current State: 79:[15, 22, 42], Operations: ['45-3=42'] Exploring Operation: 15+22=37, Resulting Numbers: [42, 37] Generated Node #3: [42, 37] from Operation: 15+22=37 Current State: 79:[42, 37], Operations: ['45-3=42', '15+22=37'] Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[3, 45, 15, 22], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [45, 22, 45] Generated Node #0,0: 79:[45, 22, 45] Operation: 3*15=45 Exploring Operation: 3*22=66, Resulting Numbers: [45, 15, 66] Generated Node #0,1: 79:[45, 15, 66] Operation: 3*22=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[45, 15, 66], Operations: ['3*22=66'] Exploring Operation: 45+15=60, Resulting Numbers: [66, 60] Generated Node #0,1,0: 79:[66, 60] Operation: 45+15=60 Exploring Operation: 15+66=81, Resulting Numbers: [45, 81] Generated Node #0,1,1: 79:[45, 81] Operation: 15+66=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[66, 60], Operations: ['3*22=66', '45+15=60'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 66+60=126, Resulting Numbers: [126] 126,79 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 #0,1,1 Current State: 79:[45, 81], Operations: ['3*22=66', '15+66=81'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 45+81=126, Resulting Numbers: [126] 126,79 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 #0,0 Current State: 79:[45, 22, 45], Operations: ['3*15=45'] Exploring Operation: 45+22=67, Resulting Numbers: [45, 67] Generated Node #0,0,0: 79:[45, 67] Operation: 45+22=67 Exploring Operation: 22+45=67, Resulting Numbers: [45, 67] Generated Node #0,0,1: 79:[45, 67] Operation: 22+45=67 Moving to Node #0,0,0 Current State: 79:[45, 67], Operations: ['3*15=45', '45+22=67'] Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[45, 67], Operations: ['3*15=45', '22+45=67'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 97, 68, 98, 19 ]
86
[ "97+68=165", "98-19=79", "165-79=86" ]
Current State: 86:[97, 68, 98, 19], Operations: [] Exploring Operation: 97+68=165, Resulting Numbers: [98, 19, 165] Generated Node #2: [98, 19, 165] from Operation: 97+68=165 Current State: 86:[98, 19, 165], Operations: ['97+68=165'] Exploring Operation: 98-19=79, Resulting Numbers: [165, 79] Generated Node #3: [165, 79] from Operation: 98-19=79 Current State: 86:[165, 79], Operations: ['97+68=165', '98-19=79'] Exploring Operation: 165-79=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[97, 68, 98, 19], Operations: [] Exploring Operation: 68-19=49, Resulting Numbers: [97, 98, 49] Generated Node #0,0: 86:[97, 98, 49] Operation: 68-19=49 Exploring Operation: 97-19=78, Resulting Numbers: [68, 98, 78] Generated Node #0,1: 86:[68, 98, 78] Operation: 97-19=78 Exploring Operation: 68+19=87, Resulting Numbers: [97, 98, 87] Generated Node #0,2: 86:[97, 98, 87] Operation: 68+19=87 Exploring Operation: 98-97=1, Resulting Numbers: [68, 19, 1] Generated Node #0,3: 86:[68, 19, 1] Operation: 98-97=1 Exploring Operation: 98-19=79, Resulting Numbers: [97, 68, 79] Generated Node #0,4: 86:[97, 68, 79] Operation: 98-19=79 Moving to Node #0,2 Current State: 86:[97, 98, 87], Operations: ['68+19=87'] Exploring Operation: 98-87=11, Resulting Numbers: [97, 11] Generated Node #0,2,0: 86:[97, 11] Operation: 98-87=11 Exploring Operation: 98-97=1, Resulting Numbers: [87, 1] Generated Node #0,2,1: 86:[87, 1] Operation: 98-97=1 Exploring Operation: 97+98=195, Resulting Numbers: [87, 195] Generated Node #0,2,2: 86:[87, 195] Operation: 97+98=195 Exploring Operation: 97-87=10, Resulting Numbers: [98, 10] Generated Node #0,2,3: 86:[98, 10] Operation: 97-87=10 Exploring Operation: 97+87=184, Resulting Numbers: [98, 184] Generated Node #0,2,4: 86:[98, 184] Operation: 97+87=184 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[87, 1], Operations: ['68+19=87', '98-97=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[97, 68, 98, 19], Operations: [] Exploring Operation: 68+19=87, Resulting Numbers: [97, 98, 87] Generated Node #0,2: 86:[97, 98, 87] Operation: 68+19=87 Moving to Node #0,2 Current State: 86:[97, 98, 87], Operations: ['68+19=87'] Exploring Operation: 98-97=1, Resulting Numbers: [87, 1] Generated Node #0,2,1: 86:[87, 1] Operation: 98-97=1 Moving to Node #0,2,1 Current State: 86:[87, 1], Operations: ['68+19=87', '98-97=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 99, 34, 90, 78 ]
35
[ "99+34=133", "90+78=168", "168-133=35" ]
Current State: 35:[99, 34, 90, 78], Operations: [] Exploring Operation: 99+34=133, Resulting Numbers: [90, 78, 133] Generated Node #2: [90, 78, 133] from Operation: 99+34=133 Current State: 35:[90, 78, 133], Operations: ['99+34=133'] Exploring Operation: 90+78=168, Resulting Numbers: [133, 168] Generated Node #3: [133, 168] from Operation: 90+78=168 Current State: 35:[133, 168], Operations: ['99+34=133', '90+78=168'] Exploring Operation: 168-133=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[99, 34, 90, 78], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [99, 34, 12] Generated Node #0,0: 35:[99, 34, 12] Operation: 90-78=12 Exploring Operation: 99-34=65, Resulting Numbers: [90, 78, 65] Generated Node #0,1: 35:[90, 78, 65] Operation: 99-34=65 Exploring Operation: 99-90=9, Resulting Numbers: [34, 78, 9] Generated Node #0,2: 35:[34, 78, 9] Operation: 99-90=9 Exploring Operation: 99-78=21, Resulting Numbers: [34, 90, 21] Generated Node #0,3: 35:[34, 90, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[34, 78, 9], Operations: ['99-90=9'] Exploring Operation: 34+9=43, Resulting Numbers: [78, 43] Generated Node #0,2,0: 35:[78, 43] Operation: 34+9=43 Exploring Operation: 34-9=25, Resulting Numbers: [78, 25] Generated Node #0,2,1: 35:[78, 25] Operation: 34-9=25 Exploring Operation: 78-34=44, Resulting Numbers: [9, 44] Generated Node #0,2,2: 35:[9, 44] Operation: 78-34=44 Exploring Operation: 78-9=69, Resulting Numbers: [34, 69] Generated Node #0,2,3: 35:[34, 69] Operation: 78-9=69 Moving to Node #0,2,2 Current State: 35:[9, 44], Operations: ['99-90=9', '78-34=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[99, 34, 90, 78], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [34, 78, 9] Generated Node #0,2: 35:[34, 78, 9] Operation: 99-90=9 Moving to Node #0,2 Current State: 35:[34, 78, 9], Operations: ['99-90=9'] Exploring Operation: 78-34=44, Resulting Numbers: [9, 44] Generated Node #0,2,2: 35:[9, 44] Operation: 78-34=44 Moving to Node #0,2,2 Current State: 35:[9, 44], Operations: ['99-90=9', '78-34=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 73, 5, 13, 77 ]
24
[ "5*77=385", "385-73=312", "312/13=24" ]
Current State: 24:[73, 5, 13, 77], Operations: [] Exploring Operation: 5*77=385, Resulting Numbers: [73, 13, 385] Generated Node #2: [73, 13, 385] from Operation: 5*77=385 Current State: 24:[73, 13, 385], Operations: ['5*77=385'] Exploring Operation: 385-73=312, Resulting Numbers: [13, 312] Generated Node #3: [13, 312] from Operation: 385-73=312 Current State: 24:[13, 312], Operations: ['5*77=385', '385-73=312'] Exploring Operation: 312/13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[73, 5, 13, 77], Operations: [] Exploring Operation: 73-13=60, Resulting Numbers: [5, 77, 60] Generated Node #0,0: 24:[5, 77, 60] Operation: 73-13=60 Exploring Operation: 77-73=4, Resulting Numbers: [5, 13, 4] Generated Node #0,1: 24:[5, 13, 4] Operation: 77-73=4 Moving to Node #0,1 Current State: 24:[5, 13, 4], Operations: ['77-73=4'] Exploring Operation: 5+4=9, Resulting Numbers: [13, 9] Generated Node #0,1,0: 24:[13, 9] Operation: 5+4=9 Exploring Operation: 13-5=8, Resulting Numbers: [4, 8] Generated Node #0,1,1: 24:[4, 8] Operation: 13-5=8 Moving to Node #0,0 Current State: 24:[5, 77, 60], Operations: ['73-13=60'] Exploring Operation: 77-60=17, Resulting Numbers: [5, 17] Generated Node #0,0,0: 24:[5, 17] Operation: 77-60=17 Exploring Operation: 60/5=12, Resulting Numbers: [77, 12] Generated Node #0,0,1: 24:[77, 12] Operation: 60/5=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[5, 17], Operations: ['73-13=60', '77-60=17'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,24 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:[77, 12], Operations: ['73-13=60', '60/5=12'] Exploring Operation: 77+12=89, Resulting Numbers: [89] 89,24 unequal: No Solution Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,24 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: 24:[4, 8], Operations: ['77-73=4', '13-5=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[13, 9], Operations: ['77-73=4', '5+4=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,24 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 27, 28, 98, 34 ]
92
[ "98*34=3332", "3332/28=119", "119-27=92" ]
Current State: 92:[27, 28, 98, 34], Operations: [] Exploring Operation: 98*34=3332, Resulting Numbers: [27, 28, 3332] Generated Node #2: [27, 28, 3332] from Operation: 98*34=3332 Current State: 92:[27, 28, 3332], Operations: ['98*34=3332'] Exploring Operation: 3332/28=119, Resulting Numbers: [27, 119] Generated Node #3: [27, 119] from Operation: 3332/28=119 Current State: 92:[27, 119], Operations: ['98*34=3332', '3332/28=119'] Exploring Operation: 119-27=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[27, 28, 98, 34], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [28, 98, 7] Generated Node #0,0: 92:[28, 98, 7] Operation: 34-27=7 Exploring Operation: 27+28=55, Resulting Numbers: [98, 34, 55] Generated Node #0,1: 92:[98, 34, 55] Operation: 27+28=55 Exploring Operation: 34-28=6, Resulting Numbers: [27, 98, 6] Generated Node #0,2: 92:[27, 98, 6] Operation: 34-28=6 Exploring Operation: 28-27=1, Resulting Numbers: [98, 34, 1] Generated Node #0,3: 92:[98, 34, 1] Operation: 28-27=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[27, 98, 6], Operations: ['34-28=6'] Exploring Operation: 27-6=21, Resulting Numbers: [98, 21] Generated Node #0,2,0: 92:[98, 21] Operation: 27-6=21 Exploring Operation: 98-6=92, Resulting Numbers: [27, 92] Generated Node #0,2,1: 92:[27, 92] Operation: 98-6=92 Exploring Operation: 98+6=104, Resulting Numbers: [27, 104] Generated Node #0,2,2: 92:[27, 104] Operation: 98+6=104 Exploring Operation: 27+6=33, Resulting Numbers: [98, 33] Generated Node #0,2,3: 92:[98, 33] Operation: 27+6=33 Moving to Node #0,2,1 Current State: 92:[27, 92], Operations: ['34-28=6', '98-6=92'] Exploring Operation: 27*92=2484, Resulting Numbers: [2484] 2484,92 unequal: No Solution Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,92 unequal: No Solution Exploring Operation: 27+92=119, Resulting Numbers: [119] 119,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[98, 21], Operations: ['34-28=6', '27-6=21'] Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,92 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,92 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[98, 33], Operations: ['34-28=6', '27+6=33'] Exploring Operation: 98+33=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,92 unequal: No Solution Exploring Operation: 98*33=3234, Resulting Numbers: [3234] 3234,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[27, 104], Operations: ['34-28=6', '98+6=104'] Exploring Operation: 27*104=2808, Resulting Numbers: [2808] 2808,92 unequal: No Solution Exploring Operation: 27+104=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 104-27=77, Resulting Numbers: [77] 77,92 unequal: No Solution No 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: 92:[28, 98, 7], Operations: ['34-27=7'] Exploring Operation: 28/7=4, Resulting Numbers: [98, 4] Generated Node #0,0,0: 92:[98, 4] Operation: 28/7=4 Exploring Operation: 98/7=14, Resulting Numbers: [28, 14] Generated Node #0,0,1: 92:[28, 14] Operation: 98/7=14 Exploring Operation: 98-7=91, Resulting Numbers: [28, 91] Generated Node #0,0,2: 92:[28, 91] Operation: 98-7=91 Exploring Operation: 28-7=21, Resulting Numbers: [98, 21] Generated Node #0,0,3: 92:[98, 21] Operation: 28-7=21 Moving to Node #0,0,0 Current State: 92:[98, 4], Operations: ['34-27=7', '28/7=4'] Exploring Operation: 98*4=392, Resulting Numbers: [392] 392,92 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,92 unequal: No Solution Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[28, 91], Operations: ['34-27=7', '98-7=91'] Exploring Operation: 91-28=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 28*91=2548, Resulting Numbers: [2548] 2548,92 unequal: No Solution Exploring Operation: 28+91=119, Resulting Numbers: [119] 119,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[98, 21], Operations: ['34-27=7', '28-7=21'] Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,92 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,92 unequal: No Solution Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[28, 14], Operations: ['34-27=7', '98/7=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,92 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,92 unequal: No Solution No 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: 92:[98, 34, 1], Operations: ['28-27=1'] Exploring Operation: 98*1=98, Resulting Numbers: [34, 98] Generated Node #0,3,0: 92:[34, 98] Operation: 98*1=98 Exploring Operation: 98-1=97, Resulting Numbers: [34, 97] Generated Node #0,3,1: 92:[34, 97] Operation: 98-1=97 Exploring Operation: 34-1=33, Resulting Numbers: [98, 33] Generated Node #0,3,2: 92:[98, 33] Operation: 34-1=33 Exploring Operation: 98/1=98, Resulting Numbers: [34, 98] Generated Node #0,3,3: 92:[34, 98] Operation: 98/1=98 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 92:[34, 97], Operations: ['28-27=1', '98-1=97'] Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 34*97=3298, Resulting Numbers: [3298] 3298,92 unequal: No Solution Exploring Operation: 34+97=131, Resulting Numbers: [131] 131,92 unequal: No Solution No 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: 92:[98, 33], Operations: ['28-27=1', '34-1=33'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,92 unequal: No Solution Exploring Operation: 98+33=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 98*33=3234, Resulting Numbers: [3234] 3234,92 unequal: No Solution No 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: 92:[34, 98], Operations: ['28-27=1', '98*1=98'] Exploring Operation: 98-34=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 34*98=3332, Resulting Numbers: [3332] 3332,92 unequal: No Solution Exploring Operation: 34+98=132, Resulting Numbers: [132] 132,92 unequal: No Solution No 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: 92:[34, 98], Operations: ['28-27=1', '98/1=98'] Exploring Operation: 34+98=132, Resulting Numbers: [132] 132,92 unequal: No Solution Exploring Operation: 34*98=3332, Resulting Numbers: [3332] 3332,92 unequal: No Solution Exploring Operation: 98-34=64, Resulting Numbers: [64] 64,92 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: 92:[98, 34, 55], Operations: ['27+28=55'] Exploring Operation: 55-34=21, Resulting Numbers: [98, 21] Generated Node #0,1,0: 92:[98, 21] Operation: 55-34=21 Exploring Operation: 34+55=89, Resulting Numbers: [98, 89] Generated Node #0,1,1: 92:[98, 89] Operation: 34+55=89 Exploring Operation: 98-55=43, Resulting Numbers: [34, 43] Generated Node #0,1,2: 92:[34, 43] Operation: 98-55=43 Exploring Operation: 98-34=64, Resulting Numbers: [55, 64] Generated Node #0,1,3: 92:[55, 64] Operation: 98-34=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[98, 21], Operations: ['27+28=55', '55-34=21'] Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,92 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,92 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,92 unequal: No Solution No 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: 92:[98, 89], Operations: ['27+28=55', '34+55=89'] Exploring Operation: 98*89=8722, Resulting Numbers: [8722] 8722,92 unequal: No Solution Exploring Operation: 98+89=187, Resulting Numbers: [187] 187,92 unequal: No Solution Exploring Operation: 98-89=9, Resulting Numbers: [9] 9,92 unequal: No Solution No 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: 92:[34, 43], Operations: ['27+28=55', '98-55=43'] Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,92 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,92 unequal: No Solution No 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: 92:[55, 64], Operations: ['27+28=55', '98-34=64'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 55+64=119, Resulting Numbers: [119] 119,92 unequal: No Solution Exploring Operation: 55*64=3520, Resulting Numbers: [3520] 3520,92 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
[ 62, 27, 44, 91 ]
67
[ "44+91=135", "135/27=5", "62+5=67" ]
Current State: 67:[62, 27, 44, 91], Operations: [] Exploring Operation: 44+91=135, Resulting Numbers: [62, 27, 135] Generated Node #2: [62, 27, 135] from Operation: 44+91=135 Current State: 67:[62, 27, 135], Operations: ['44+91=135'] Exploring Operation: 135/27=5, Resulting Numbers: [62, 5] Generated Node #3: [62, 5] from Operation: 135/27=5 Current State: 67:[62, 5], Operations: ['44+91=135', '135/27=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[62, 27, 44, 91], Operations: [] Exploring Operation: 91-44=47, Resulting Numbers: [62, 27, 47] Generated Node #0,0: 67:[62, 27, 47] Operation: 91-44=47 Exploring Operation: 91-27=64, Resulting Numbers: [62, 44, 64] Generated Node #0,1: 67:[62, 44, 64] Operation: 91-27=64 Exploring Operation: 27+44=71, Resulting Numbers: [62, 91, 71] Generated Node #0,2: 67:[62, 91, 71] Operation: 27+44=71 Exploring Operation: 62+27=89, Resulting Numbers: [44, 91, 89] Generated Node #0,3: 67:[44, 91, 89] Operation: 62+27=89 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[62, 44, 64], Operations: ['91-27=64'] Exploring Operation: 62+44=106, Resulting Numbers: [64, 106] Generated Node #0,1,0: 67:[64, 106] Operation: 62+44=106 Exploring Operation: 44+64=108, Resulting Numbers: [62, 108] Generated Node #0,1,1: 67:[62, 108] Operation: 44+64=108 Exploring Operation: 62-44=18, Resulting Numbers: [64, 18] Generated Node #0,1,2: 67:[64, 18] Operation: 62-44=18 Exploring Operation: 64-44=20, Resulting Numbers: [62, 20] Generated Node #0,1,3: 67:[62, 20] Operation: 64-44=20 Moving to Node #0,1,0 Current State: 67:[64, 106], Operations: ['91-27=64', '62+44=106'] Exploring Operation: 106-64=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 64*106=6784, Resulting Numbers: [6784] 6784,67 unequal: No Solution Exploring Operation: 64+106=170, Resulting Numbers: [170] 170,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[62, 108], Operations: ['91-27=64', '44+64=108'] Exploring Operation: 62+108=170, Resulting Numbers: [170] 170,67 unequal: No Solution Exploring Operation: 108-62=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 62*108=6696, Resulting Numbers: [6696] 6696,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[62, 20], Operations: ['91-27=64', '64-44=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[64, 18], Operations: ['91-27=64', '62-44=18'] Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[62, 91, 71], Operations: ['27+44=71'] Exploring Operation: 91-62=29, Resulting Numbers: [71, 29] Generated Node #0,2,0: 67:[71, 29] Operation: 91-62=29 Exploring Operation: 71-62=9, Resulting Numbers: [91, 9] Generated Node #0,2,1: 67:[91, 9] Operation: 71-62=9 Exploring Operation: 91-71=20, Resulting Numbers: [62, 20] Generated Node #0,2,2: 67:[62, 20] Operation: 91-71=20 Exploring Operation: 62+91=153, Resulting Numbers: [71, 153] Generated Node #0,2,3: 67:[71, 153] Operation: 62+91=153 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[71, 29], Operations: ['27+44=71', '91-62=29'] Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,67 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,67 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,67 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 #0,2,2 Current State: 67:[62, 20], Operations: ['27+44=71', '91-71=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,67 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:[91, 9], Operations: ['27+44=71', '71-62=9'] Exploring Operation: 91*9=819, Resulting Numbers: [819] 819,67 unequal: No Solution Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,67 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:[71, 153], Operations: ['27+44=71', '62+91=153'] Exploring Operation: 71+153=224, Resulting Numbers: [224] 224,67 unequal: No Solution Exploring Operation: 71*153=10863, Resulting Numbers: [10863] 10863,67 unequal: No Solution Exploring Operation: 153-71=82, Resulting Numbers: [82] 82,67 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 #0,0 Current State: 67:[62, 27, 47], Operations: ['91-44=47'] Exploring Operation: 62-27=35, Resulting Numbers: [47, 35] Generated Node #0,0,0: 67:[47, 35] Operation: 62-27=35 Exploring Operation: 47-27=20, Resulting Numbers: [62, 20] Generated Node #0,0,1: 67:[62, 20] Operation: 47-27=20 Exploring Operation: 27+47=74, Resulting Numbers: [62, 74] Generated Node #0,0,2: 67:[62, 74] Operation: 27+47=74 Exploring Operation: 62+27=89, Resulting Numbers: [47, 89] Generated Node #0,0,3: 67:[47, 89] Operation: 62+27=89 Moving to Node #0,0,2 Current State: 67:[62, 74], Operations: ['91-44=47', '27+47=74'] Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,67 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[47, 89], Operations: ['91-44=47', '62+27=89'] Exploring Operation: 47*89=4183, Resulting Numbers: [4183] 4183,67 unequal: No Solution Exploring Operation: 47+89=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[62, 20], Operations: ['91-44=47', '47-27=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,67 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[47, 35], Operations: ['91-44=47', '62-27=35'] Exploring Operation: 47*35=1645, Resulting Numbers: [1645] 1645,67 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 47+35=82, Resulting Numbers: [82] 82,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[44, 91, 89], Operations: ['62+27=89'] Exploring Operation: 91-44=47, Resulting Numbers: [89, 47] Generated Node #0,3,0: 67:[89, 47] Operation: 91-44=47 Exploring Operation: 89-44=45, Resulting Numbers: [91, 45] Generated Node #0,3,1: 67:[91, 45] Operation: 89-44=45 Exploring Operation: 44+91=135, Resulting Numbers: [89, 135] Generated Node #0,3,2: 67:[89, 135] Operation: 44+91=135 Exploring Operation: 91-89=2, Resulting Numbers: [44, 2] Generated Node #0,3,3: 67:[44, 2] Operation: 91-89=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 67:[89, 47], Operations: ['62+27=89', '91-44=47'] Exploring Operation: 89*47=4183, Resulting Numbers: [4183] 4183,67 unequal: No Solution Exploring Operation: 89+47=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 67:[91, 45], Operations: ['62+27=89', '89-44=45'] Exploring Operation: 91+45=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 91*45=4095, Resulting Numbers: [4095] 4095,67 unequal: No Solution Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 67:[44, 2], Operations: ['62+27=89', '91-89=2'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,67 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 67:[89, 135], Operations: ['62+27=89', '44+91=135'] Exploring Operation: 89+135=224, Resulting Numbers: [224] 224,67 unequal: No Solution Exploring Operation: 89*135=12015, Resulting Numbers: [12015] 12015,67 unequal: No Solution Exploring Operation: 135-89=46, Resulting Numbers: [46] 46,67 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 No solution found.
0
hs_4
mult_heuristic
[ 1, 51, 32, 3 ]
42
[ "32-1=31", "3*31=93", "93-51=42" ]
Current State: 42:[1, 51, 32, 3], Operations: [] Exploring Operation: 32-1=31, Resulting Numbers: [51, 3, 31] Generated Node #2: [51, 3, 31] from Operation: 32-1=31 Current State: 42:[51, 3, 31], Operations: ['32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [51, 93] Generated Node #3: [51, 93] from Operation: 3*31=93 Current State: 42:[51, 93], Operations: ['32-1=31', '3*31=93'] Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[1, 51, 32, 3], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [1, 32, 17] Generated Node #0,0: 42:[1, 32, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [1, 32, 48] Generated Node #0,1: 42:[1, 32, 48] Operation: 51-3=48 Exploring Operation: 51-32=19, Resulting Numbers: [1, 3, 19] Generated Node #0,2: 42:[1, 3, 19] Operation: 51-32=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[1, 3, 19], Operations: ['51-32=19'] Exploring Operation: 1*3=3, Resulting Numbers: [19, 3] Generated Node #0,2,0: 42:[19, 3] Operation: 1*3=3 Exploring Operation: 3-1=2, Resulting Numbers: [19, 2] Generated Node #0,2,1: 42:[19, 2] Operation: 3-1=2 Exploring Operation: 1+19=20, Resulting Numbers: [3, 20] Generated Node #0,2,2: 42:[3, 20] Operation: 1+19=20 Moving to Node #0,2,2 Current State: 42:[3, 20], Operations: ['51-32=19', '1+19=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[19, 3], Operations: ['51-32=19', '1*3=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,42 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[19, 2], Operations: ['51-32=19', '3-1=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[1, 32, 17], Operations: ['51/3=17'] Exploring Operation: 32-17=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 42:[1, 15] Operation: 32-17=15 Exploring Operation: 32+17=49, Resulting Numbers: [1, 49] Generated Node #0,0,1: 42:[1, 49] Operation: 32+17=49 Exploring Operation: 1+32=33, Resulting Numbers: [17, 33] Generated Node #0,0,2: 42:[17, 33] Operation: 1+32=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[1, 15], Operations: ['51/3=17', '32-17=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[1, 49], Operations: ['51/3=17', '32+17=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[17, 33], Operations: ['51/3=17', '1+32=33'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[1, 32, 48], Operations: ['51-3=48'] Exploring Operation: 1+32=33, Resulting Numbers: [48, 33] Generated Node #0,1,0: 42:[48, 33] Operation: 1+32=33 Exploring Operation: 48-1=47, Resulting Numbers: [32, 47] Generated Node #0,1,1: 42:[32, 47] Operation: 48-1=47 Exploring Operation: 48-32=16, Resulting Numbers: [1, 16] Generated Node #0,1,2: 42:[1, 16] Operation: 48-32=16 Moving to Node #0,1,2 Current State: 42:[1, 16], Operations: ['51-3=48', '48-32=16'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[48, 33], Operations: ['51-3=48', '1+32=33'] Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,42 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[32, 47], Operations: ['51-3=48', '48-1=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,42 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 98, 49, 24, 11 ]
62
[ "98-49=49", "24-11=13", "49+13=62" ]
Current State: 62:[98, 49, 24, 11], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [24, 11, 49] Generated Node #2: [24, 11, 49] from Operation: 98-49=49 Current State: 62:[24, 11, 49], Operations: ['98-49=49'] Exploring Operation: 24-11=13, Resulting Numbers: [49, 13] Generated Node #3: [49, 13] from Operation: 24-11=13 Current State: 62:[49, 13], Operations: ['98-49=49', '24-11=13'] Exploring Operation: 49+13=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[98, 49, 24, 11], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [24, 11, 2] Generated Node #0,0: 62:[24, 11, 2] Operation: 98/49=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[24, 11, 2], Operations: ['98/49=2'] Exploring Operation: 24+11=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 62:[2, 35] Operation: 24+11=35 Moving to Node #0,0,0 Current State: 62:[2, 35], Operations: ['98/49=2', '24+11=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,62 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
[ 68, 81, 32, 5 ]
40
[ "81-68=13", "32-5=27", "13+27=40" ]
Current State: 40:[68, 81, 32, 5], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [32, 5, 13] Generated Node #2: [32, 5, 13] from Operation: 81-68=13 Current State: 40:[32, 5, 13], Operations: ['81-68=13'] Exploring Operation: 32-5=27, Resulting Numbers: [13, 27] Generated Node #3: [13, 27] from Operation: 32-5=27 Current State: 40:[13, 27], Operations: ['81-68=13', '32-5=27'] Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[68, 81, 32, 5], Operations: [] Exploring Operation: 68-5=63, Resulting Numbers: [81, 32, 63] Generated Node #0,0: 40:[81, 32, 63] Operation: 68-5=63 Exploring Operation: 81-32=49, Resulting Numbers: [68, 5, 49] Generated Node #0,1: 40:[68, 5, 49] Operation: 81-32=49 Exploring Operation: 81-68=13, Resulting Numbers: [32, 5, 13] Generated Node #0,2: 40:[32, 5, 13] Operation: 81-68=13 Exploring Operation: 68-32=36, Resulting Numbers: [81, 5, 36] Generated Node #0,3: 40:[81, 5, 36] Operation: 68-32=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[32, 5, 13], Operations: ['81-68=13'] Exploring Operation: 32-13=19, Resulting Numbers: [5, 19] Generated Node #0,2,0: 40:[5, 19] Operation: 32-13=19 Exploring Operation: 13-5=8, Resulting Numbers: [32, 8] Generated Node #0,2,1: 40:[32, 8] Operation: 13-5=8 Exploring Operation: 32+13=45, Resulting Numbers: [5, 45] Generated Node #0,2,2: 40:[5, 45] Operation: 32+13=45 Exploring Operation: 32+5=37, Resulting Numbers: [13, 37] Generated Node #0,2,3: 40:[13, 37] Operation: 32+5=37 Moving to Node #0,2,0 Current State: 40:[5, 19], Operations: ['81-68=13', '32-13=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,40 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,40 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[5, 45], Operations: ['81-68=13', '32+13=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[68, 81, 32, 5], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [32, 5, 13] Generated Node #0,2: 40:[32, 5, 13] Operation: 81-68=13 Moving to Node #0,2 Current State: 40:[32, 5, 13], Operations: ['81-68=13'] Exploring Operation: 32+13=45, Resulting Numbers: [5, 45] Generated Node #0,2,2: 40:[5, 45] Operation: 32+13=45 Moving to Node #0,2,2 Current State: 40:[5, 45], Operations: ['81-68=13', '32+13=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 24, 21, 18, 41 ]
85
[ "24-18=6", "21*6=126", "126-41=85" ]
Current State: 85:[24, 21, 18, 41], Operations: [] Exploring Operation: 24-18=6, Resulting Numbers: [21, 41, 6] Generated Node #2: [21, 41, 6] from Operation: 24-18=6 Current State: 85:[21, 41, 6], Operations: ['24-18=6'] Exploring Operation: 21*6=126, Resulting Numbers: [41, 126] Generated Node #3: [41, 126] from Operation: 21*6=126 Current State: 85:[41, 126], Operations: ['24-18=6', '21*6=126'] Exploring Operation: 126-41=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[24, 21, 18, 41], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [21, 18, 17] Generated Node #0,0: 85:[21, 18, 17] Operation: 41-24=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[21, 18, 17], Operations: ['41-24=17'] Exploring Operation: 21-18=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 85:[17, 3] Operation: 21-18=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[17, 3], Operations: ['41-24=17', '21-18=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,85 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
[ 67, 46, 8, 52 ]
19
[ "52-46=6", "8*6=48", "67-48=19" ]
Current State: 19:[67, 46, 8, 52], Operations: [] Exploring Operation: 52-46=6, Resulting Numbers: [67, 8, 6] Generated Node #2: [67, 8, 6] from Operation: 52-46=6 Current State: 19:[67, 8, 6], Operations: ['52-46=6'] Exploring Operation: 8*6=48, Resulting Numbers: [67, 48] Generated Node #3: [67, 48] from Operation: 8*6=48 Current State: 19:[67, 48], Operations: ['52-46=6', '8*6=48'] Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[67, 46, 8, 52], Operations: [] Exploring Operation: 67-52=15, Resulting Numbers: [46, 8, 15] Generated Node #0,0: 19:[46, 8, 15] Operation: 67-52=15 Exploring Operation: 52-46=6, Resulting Numbers: [67, 8, 6] Generated Node #0,1: 19:[67, 8, 6] Operation: 52-46=6 Exploring Operation: 67-46=21, Resulting Numbers: [8, 52, 21] Generated Node #0,2: 19:[8, 52, 21] Operation: 67-46=21 Moving to Node #0,0 Current State: 19:[46, 8, 15], Operations: ['67-52=15'] Exploring Operation: 8+15=23, Resulting Numbers: [46, 23] Generated Node #0,0,0: 19:[46, 23] Operation: 8+15=23 Exploring Operation: 46-15=31, Resulting Numbers: [8, 31] Generated Node #0,0,1: 19:[8, 31] Operation: 46-15=31 Exploring Operation: 46-8=38, Resulting Numbers: [15, 38] Generated Node #0,0,2: 19:[15, 38] Operation: 46-8=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[8, 31], Operations: ['67-52=15', '46-15=31'] Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,19 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[15, 38], Operations: ['67-52=15', '46-8=38'] Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,19 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[46, 23], Operations: ['67-52=15', '8+15=23'] Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,19 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,19 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: 19:[8, 52, 21], Operations: ['67-46=21'] Exploring Operation: 52-8=44, Resulting Numbers: [21, 44] Generated Node #0,2,0: 19:[21, 44] Operation: 52-8=44 Exploring Operation: 52-21=31, Resulting Numbers: [8, 31] Generated Node #0,2,1: 19:[8, 31] Operation: 52-21=31 Exploring Operation: 21-8=13, Resulting Numbers: [52, 13] Generated Node #0,2,2: 19:[52, 13] Operation: 21-8=13 Moving to Node #0,1 Current State: 19:[67, 8, 6], Operations: ['52-46=6'] Exploring Operation: 67-8=59, Resulting Numbers: [6, 59] Generated Node #0,1,0: 19:[6, 59] Operation: 67-8=59 Exploring Operation: 8+6=14, Resulting Numbers: [67, 14] Generated Node #0,1,1: 19:[67, 14] Operation: 8+6=14 Exploring Operation: 67-6=61, Resulting Numbers: [8, 61] Generated Node #0,1,2: 19:[8, 61] Operation: 67-6=61 Moving to Node #0,2,1 Current State: 19:[8, 31], Operations: ['67-46=21', '52-21=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[21, 44], Operations: ['67-46=21', '52-8=44'] Exploring Operation: 21*44=924, Resulting Numbers: [924] 924,19 unequal: No Solution Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,19 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[52, 13], Operations: ['67-46=21', '21-8=13'] Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[8, 61], Operations: ['52-46=6', '67-6=61'] Exploring Operation: 8+61=69, Resulting Numbers: [69] 69,19 unequal: No Solution Exploring Operation: 8*61=488, Resulting Numbers: [488] 488,19 unequal: No Solution Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[67, 14], Operations: ['52-46=6', '8+6=14'] Exploring Operation: 67+14=81, Resulting Numbers: [81] 81,19 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 67*14=938, Resulting Numbers: [938] 938,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[6, 59], Operations: ['52-46=6', '67-8=59'] Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,19 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 6*59=354, Resulting Numbers: [354] 354,19 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 46, 41, 62, 13 ]
44
[ "46-41=5", "62-13=49", "49-5=44" ]
Current State: 44:[46, 41, 62, 13], Operations: [] Exploring Operation: 46-41=5, Resulting Numbers: [62, 13, 5] Generated Node #2: [62, 13, 5] from Operation: 46-41=5 Current State: 44:[62, 13, 5], Operations: ['46-41=5'] Exploring Operation: 62-13=49, Resulting Numbers: [5, 49] Generated Node #3: [5, 49] from Operation: 62-13=49 Current State: 44:[5, 49], Operations: ['46-41=5', '62-13=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[46, 41, 62, 13], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [46, 13, 21] Generated Node #0,0: 44:[46, 13, 21] Operation: 62-41=21 Exploring Operation: 62-46=16, Resulting Numbers: [41, 13, 16] Generated Node #0,1: 44:[41, 13, 16] Operation: 62-46=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[46, 13, 21], Operations: ['62-41=21'] Exploring Operation: 21-13=8, Resulting Numbers: [46, 8] Generated Node #0,0,0: 44:[46, 8] Operation: 21-13=8 Exploring Operation: 46-21=25, Resulting Numbers: [13, 25] Generated Node #0,0,1: 44:[13, 25] Operation: 46-21=25 Moving to Node #0,0,0 Current State: 44:[46, 8], Operations: ['62-41=21', '21-13=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[13, 25], Operations: ['62-41=21', '46-21=25'] Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[41, 13, 16], Operations: ['62-46=16'] Exploring Operation: 16-13=3, Resulting Numbers: [41, 3] Generated Node #0,1,0: 44:[41, 3] Operation: 16-13=3 Exploring Operation: 41-16=25, Resulting Numbers: [13, 25] Generated Node #0,1,1: 44:[13, 25] Operation: 41-16=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[41, 3], Operations: ['62-46=16', '16-13=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[46, 41, 62, 13], Operations: [] Exploring Operation: 62-46=16, Resulting Numbers: [41, 13, 16] Generated Node #0,1: 44:[41, 13, 16] Operation: 62-46=16 Moving to Node #0,1 Current State: 44:[41, 13, 16], Operations: ['62-46=16'] Exploring Operation: 16-13=3, Resulting Numbers: [41, 3] Generated Node #0,1,0: 44:[41, 3] Operation: 16-13=3 Moving to Node #0,1,0 Current State: 44:[41, 3], Operations: ['62-46=16', '16-13=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 78, 65, 24, 6 ]
43
[ "78-65=13", "24+6=30", "13+30=43" ]
Current State: 43:[78, 65, 24, 6], Operations: [] Exploring Operation: 78-65=13, Resulting Numbers: [24, 6, 13] Generated Node #2: [24, 6, 13] from Operation: 78-65=13 Current State: 43:[24, 6, 13], Operations: ['78-65=13'] Exploring Operation: 24+6=30, Resulting Numbers: [13, 30] Generated Node #3: [13, 30] from Operation: 24+6=30 Current State: 43:[13, 30], Operations: ['78-65=13', '24+6=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[78, 65, 24, 6], Operations: [] Exploring Operation: 78-24=54, Resulting Numbers: [65, 6, 54] Generated Node #0,0: 43:[65, 6, 54] Operation: 78-24=54 Exploring Operation: 78-6=72, Resulting Numbers: [65, 24, 72] Generated Node #0,1: 43:[65, 24, 72] Operation: 78-6=72 Exploring Operation: 24+6=30, Resulting Numbers: [78, 65, 30] Generated Node #0,2: 43:[78, 65, 30] Operation: 24+6=30 Exploring Operation: 65-6=59, Resulting Numbers: [78, 24, 59] Generated Node #0,3: 43:[78, 24, 59] Operation: 65-6=59 Exploring Operation: 78/6=13, Resulting Numbers: [65, 24, 13] Generated Node #0,4: 43:[65, 24, 13] Operation: 78/6=13 Moving to Node #0,0 Current State: 43:[65, 6, 54], Operations: ['78-24=54'] Exploring Operation: 65-6=59, Resulting Numbers: [54, 59] Generated Node #0,0,0: 43:[54, 59] Operation: 65-6=59 Exploring Operation: 54/6=9, Resulting Numbers: [65, 9] Generated Node #0,0,1: 43:[65, 9] Operation: 54/6=9 Exploring Operation: 65+6=71, Resulting Numbers: [54, 71] Generated Node #0,0,2: 43:[54, 71] Operation: 65+6=71 Exploring Operation: 54-6=48, Resulting Numbers: [65, 48] Generated Node #0,0,3: 43:[65, 48] Operation: 54-6=48 Exploring Operation: 6+54=60, Resulting Numbers: [65, 60] Generated Node #0,0,4: 43:[65, 60] Operation: 6+54=60 Moving to Node #0,2 Current State: 43:[78, 65, 30], Operations: ['24+6=30'] Exploring Operation: 65-30=35, Resulting Numbers: [78, 35] Generated Node #0,2,0: 43:[78, 35] Operation: 65-30=35 Exploring Operation: 78-30=48, Resulting Numbers: [65, 48] Generated Node #0,2,1: 43:[65, 48] Operation: 78-30=48 Exploring Operation: 65+30=95, Resulting Numbers: [78, 95] Generated Node #0,2,2: 43:[78, 95] Operation: 65+30=95 Exploring Operation: 78-65=13, Resulting Numbers: [30, 13] Generated Node #0,2,3: 43:[30, 13] Operation: 78-65=13 Exploring Operation: 78+30=108, Resulting Numbers: [65, 108] Generated Node #0,2,4: 43:[65, 108] Operation: 78+30=108 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[65, 48], Operations: ['24+6=30', '78-30=48'] Exploring Operation: 65*48=3120, Resulting Numbers: [3120] 3120,43 unequal: No Solution Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,43 unequal: No Solution Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,43 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:[78, 35], Operations: ['24+6=30', '65-30=35'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[78, 65, 24, 6], Operations: [] Exploring Operation: 24+6=30, Resulting Numbers: [78, 65, 30] Generated Node #0,2: 43:[78, 65, 30] Operation: 24+6=30 Moving to Node #0,2 Current State: 43:[78, 65, 30], Operations: ['24+6=30'] Exploring Operation: 65-30=35, Resulting Numbers: [78, 35] Generated Node #0,2,0: 43:[78, 35] Operation: 65-30=35 Moving to Node #0,2,0 Current State: 43:[78, 35], Operations: ['24+6=30', '65-30=35'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 79, 70, 23, 45 ]
81
[ "79+70=149", "23+45=68", "149-68=81" ]
Current State: 81:[79, 70, 23, 45], Operations: [] Exploring Operation: 79+70=149, Resulting Numbers: [23, 45, 149] Generated Node #2: [23, 45, 149] from Operation: 79+70=149 Current State: 81:[23, 45, 149], Operations: ['79+70=149'] Exploring Operation: 23+45=68, Resulting Numbers: [149, 68] Generated Node #3: [149, 68] from Operation: 23+45=68 Current State: 81:[149, 68], Operations: ['79+70=149', '23+45=68'] Exploring Operation: 149-68=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[79, 70, 23, 45], Operations: [] Exploring Operation: 79-45=34, Resulting Numbers: [70, 23, 34] Generated Node #0,0: 81:[70, 23, 34] Operation: 79-45=34 Exploring Operation: 70-45=25, Resulting Numbers: [79, 23, 25] Generated Node #0,1: 81:[79, 23, 25] Operation: 70-45=25 Exploring Operation: 23+45=68, Resulting Numbers: [79, 70, 68] Generated Node #0,2: 81:[79, 70, 68] Operation: 23+45=68 Exploring Operation: 79-70=9, Resulting Numbers: [23, 45, 9] Generated Node #0,3: 81:[23, 45, 9] Operation: 79-70=9 Exploring Operation: 45-23=22, Resulting Numbers: [79, 70, 22] Generated Node #0,4: 81:[79, 70, 22] Operation: 45-23=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[79, 23, 25], Operations: ['70-45=25'] Exploring Operation: 79+25=104, Resulting Numbers: [23, 104] Generated Node #0,1,0: 81:[23, 104] Operation: 79+25=104 Exploring Operation: 79-23=56, Resulting Numbers: [25, 56] Generated Node #0,1,1: 81:[25, 56] Operation: 79-23=56 Exploring Operation: 79+23=102, Resulting Numbers: [25, 102] Generated Node #0,1,2: 81:[25, 102] Operation: 79+23=102 Exploring Operation: 23+25=48, Resulting Numbers: [79, 48] Generated Node #0,1,3: 81:[79, 48] Operation: 23+25=48 Exploring Operation: 25-23=2, Resulting Numbers: [79, 2] Generated Node #0,1,4: 81:[79, 2] Operation: 25-23=2 Moving to Node #0,1,4 Current State: 81:[79, 2], Operations: ['70-45=25', '25-23=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,81 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[79, 70, 23, 45], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [79, 23, 25] Generated Node #0,1: 81:[79, 23, 25] Operation: 70-45=25 Moving to Node #0,1 Current State: 81:[79, 23, 25], Operations: ['70-45=25'] Exploring Operation: 25-23=2, Resulting Numbers: [79, 2] Generated Node #0,1,4: 81:[79, 2] Operation: 25-23=2 Moving to Node #0,1,4 Current State: 81:[79, 2], Operations: ['70-45=25', '25-23=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 17, 94, 89, 61 ]
39
[ "17+94=111", "89+61=150", "150-111=39" ]
Current State: 39:[17, 94, 89, 61], Operations: [] Exploring Operation: 17+94=111, Resulting Numbers: [89, 61, 111] Generated Node #2: [89, 61, 111] from Operation: 17+94=111 Current State: 39:[89, 61, 111], Operations: ['17+94=111'] Exploring Operation: 89+61=150, Resulting Numbers: [111, 150] Generated Node #3: [111, 150] from Operation: 89+61=150 Current State: 39:[111, 150], Operations: ['17+94=111', '89+61=150'] Exploring Operation: 150-111=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[17, 94, 89, 61], Operations: [] Exploring Operation: 94-61=33, Resulting Numbers: [17, 89, 33] Generated Node #0,0: 39:[17, 89, 33] Operation: 94-61=33 Exploring Operation: 94-89=5, Resulting Numbers: [17, 61, 5] Generated Node #0,1: 39:[17, 61, 5] Operation: 94-89=5 Moving to Node #0,1 Current State: 39:[17, 61, 5], Operations: ['94-89=5'] Exploring Operation: 61-5=56, Resulting Numbers: [17, 56] Generated Node #0,1,0: 39:[17, 56] Operation: 61-5=56 Exploring Operation: 61-17=44, Resulting Numbers: [5, 44] Generated Node #0,1,1: 39:[5, 44] Operation: 61-17=44 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[5, 44], Operations: ['94-89=5', '61-17=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[17, 94, 89, 61], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [17, 61, 5] Generated Node #0,1: 39:[17, 61, 5] Operation: 94-89=5 Moving to Node #0,1 Current State: 39:[17, 61, 5], Operations: ['94-89=5'] Exploring Operation: 61-17=44, Resulting Numbers: [5, 44] Generated Node #0,1,1: 39:[5, 44] Operation: 61-17=44 Moving to Node #0,1,1 Current State: 39:[5, 44], Operations: ['94-89=5', '61-17=44'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 22, 26, 20, 33 ]
57
[ "26-22=4", "20+33=53", "4+53=57" ]
Current State: 57:[22, 26, 20, 33], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [20, 33, 4] Generated Node #2: [20, 33, 4] from Operation: 26-22=4 Current State: 57:[20, 33, 4], Operations: ['26-22=4'] Exploring Operation: 20+33=53, Resulting Numbers: [4, 53] Generated Node #3: [4, 53] from Operation: 20+33=53 Current State: 57:[4, 53], Operations: ['26-22=4', '20+33=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[22, 26, 20, 33], Operations: [] Exploring Operation: 22+33=55, Resulting Numbers: [26, 20, 55] Generated Node #0,0: 57:[26, 20, 55] Operation: 22+33=55 Exploring Operation: 26+33=59, Resulting Numbers: [22, 20, 59] Generated Node #0,1: 57:[22, 20, 59] Operation: 26+33=59 Exploring Operation: 33-26=7, Resulting Numbers: [22, 20, 7] Generated Node #0,2: 57:[22, 20, 7] Operation: 33-26=7 Exploring Operation: 20+33=53, Resulting Numbers: [22, 26, 53] Generated Node #0,3: 57:[22, 26, 53] Operation: 20+33=53 Moving to Node #0,1 Current State: 57:[22, 20, 59], Operations: ['26+33=59'] Exploring Operation: 22-20=2, Resulting Numbers: [59, 2] Generated Node #0,1,0: 57:[59, 2] Operation: 22-20=2 Exploring Operation: 22+20=42, Resulting Numbers: [59, 42] Generated Node #0,1,1: 57:[59, 42] Operation: 22+20=42 Exploring Operation: 59-22=37, Resulting Numbers: [20, 37] Generated Node #0,1,2: 57:[20, 37] Operation: 59-22=37 Exploring Operation: 59-20=39, Resulting Numbers: [22, 39] Generated Node #0,1,3: 57:[22, 39] Operation: 59-20=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[59, 2], Operations: ['26+33=59', '22-20=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,57 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[22, 26, 20, 33], Operations: [] Exploring Operation: 26+33=59, Resulting Numbers: [22, 20, 59] Generated Node #0,1: 57:[22, 20, 59] Operation: 26+33=59 Moving to Node #0,1 Current State: 57:[22, 20, 59], Operations: ['26+33=59'] Exploring Operation: 22-20=2, Resulting Numbers: [59, 2] Generated Node #0,1,0: 57:[59, 2] Operation: 22-20=2 Moving to Node #0,1,0 Current State: 57:[59, 2], Operations: ['26+33=59', '22-20=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 24, 57, 69, 84 ]
18
[ "57-24=33", "84-69=15", "33-15=18" ]
Current State: 18:[24, 57, 69, 84], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [69, 84, 33] Generated Node #2: [69, 84, 33] from Operation: 57-24=33 Current State: 18:[69, 84, 33], Operations: ['57-24=33'] Exploring Operation: 84-69=15, Resulting Numbers: [33, 15] Generated Node #3: [33, 15] from Operation: 84-69=15 Current State: 18:[33, 15], Operations: ['57-24=33', '84-69=15'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[24, 57, 69, 84], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [24, 57, 15] Generated Node #0,0: 18:[24, 57, 15] Operation: 84-69=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[24, 57, 15], Operations: ['84-69=15'] Exploring Operation: 57-24=33, Resulting Numbers: [15, 33] Generated Node #0,0,0: 18:[15, 33] Operation: 57-24=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[15, 33], Operations: ['84-69=15', '57-24=33'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[24, 57, 69, 84], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [24, 57, 15] Generated Node #0,0: 18:[24, 57, 15] Operation: 84-69=15 Moving to Node #0,0 Current State: 18:[24, 57, 15], Operations: ['84-69=15'] Exploring Operation: 57-24=33, Resulting Numbers: [15, 33] Generated Node #0,0,0: 18:[15, 33] Operation: 57-24=33 Moving to Node #0,0,0 Current State: 18:[15, 33], Operations: ['84-69=15', '57-24=33'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 62, 69, 56 ]
33
[ "62-56=6", "6*6=36", "69-36=33" ]
Current State: 33:[6, 62, 69, 56], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [6, 69, 6] Generated Node #2: [6, 69, 6] from Operation: 62-56=6 Current State: 33:[6, 69, 6], Operations: ['62-56=6'] Exploring Operation: 6*6=36, Resulting Numbers: [69, 36] Generated Node #3: [69, 36] from Operation: 6*6=36 Current State: 33:[69, 36], Operations: ['62-56=6', '6*6=36'] Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[6, 62, 69, 56], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [6, 56, 7] Generated Node #0,0: 33:[6, 56, 7] Operation: 69-62=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[6, 56, 7], Operations: ['69-62=7'] Exploring Operation: 56/7=8, Resulting Numbers: [6, 8] Generated Node #0,0,0: 33:[6, 8] Operation: 56/7=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[6, 8], Operations: ['69-62=7', '56/7=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 4, 77, 57 ]
83
[ "77-57=20", "4*20=80", "3+80=83" ]
Current State: 83:[3, 4, 77, 57], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [3, 4, 20] Generated Node #2: [3, 4, 20] from Operation: 77-57=20 Current State: 83:[3, 4, 20], Operations: ['77-57=20'] Exploring Operation: 4*20=80, Resulting Numbers: [3, 80] Generated Node #3: [3, 80] from Operation: 4*20=80 Current State: 83:[3, 80], Operations: ['77-57=20', '4*20=80'] Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[3, 4, 77, 57], Operations: [] Exploring Operation: 3+57=60, Resulting Numbers: [4, 77, 60] Generated Node #0,0: 83:[4, 77, 60] Operation: 3+57=60 Exploring Operation: 4+77=81, Resulting Numbers: [3, 57, 81] Generated Node #0,1: 83:[3, 57, 81] Operation: 4+77=81 Exploring Operation: 3+77=80, Resulting Numbers: [4, 57, 80] Generated Node #0,2: 83:[4, 57, 80] Operation: 3+77=80 Exploring Operation: 3+4=7, Resulting Numbers: [77, 57, 7] Generated Node #0,3: 83:[77, 57, 7] Operation: 3+4=7 Exploring Operation: 3*4=12, Resulting Numbers: [77, 57, 12] Generated Node #0,4: 83:[77, 57, 12] Operation: 3*4=12 Moving to Node #0,4 Current State: 83:[77, 57, 12], Operations: ['3*4=12'] Exploring Operation: 57+12=69, Resulting Numbers: [77, 69] Generated Node #0,4,0: 83:[77, 69] Operation: 57+12=69 Exploring Operation: 77+57=134, Resulting Numbers: [12, 134] Generated Node #0,4,1: 83:[12, 134] Operation: 77+57=134 Exploring Operation: 77-12=65, Resulting Numbers: [57, 65] Generated Node #0,4,2: 83:[57, 65] Operation: 77-12=65 Exploring Operation: 77+12=89, Resulting Numbers: [57, 89] Generated Node #0,4,3: 83:[57, 89] Operation: 77+12=89 Exploring Operation: 57-12=45, Resulting Numbers: [77, 45] Generated Node #0,4,4: 83:[77, 45] Operation: 57-12=45 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 83:[77, 69], Operations: ['3*4=12', '57+12=69'] Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,83 unequal: No Solution Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,83 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 #0,4,3 Current State: 83:[57, 89], Operations: ['3*4=12', '77+12=89'] Exploring Operation: 57*89=5073, Resulting Numbers: [5073] 5073,83 unequal: No Solution Exploring Operation: 57+89=146, Resulting Numbers: [146] 146,83 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,83 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 #0,4,2 Current State: 83:[57, 65], Operations: ['3*4=12', '77-12=65'] Exploring Operation: 57*65=3705, Resulting Numbers: [3705] 3705,83 unequal: No Solution Exploring Operation: 57+65=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,83 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 #0,4,4 Current State: 83:[77, 45], Operations: ['3*4=12', '57-12=45'] Exploring Operation: 77*45=3465, Resulting Numbers: [3465] 3465,83 unequal: No Solution Exploring Operation: 77+45=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,83 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 #0,4,1 Current State: 83:[12, 134], Operations: ['3*4=12', '77+57=134'] Exploring Operation: 134-12=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 12+134=146, Resulting Numbers: [146] 146,83 unequal: No Solution Exploring Operation: 12*134=1608, Resulting Numbers: [1608] 1608,83 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: 83:[3, 57, 81], Operations: ['4+77=81'] Exploring Operation: 57/3=19, Resulting Numbers: [81, 19] Generated Node #0,1,0: 83:[81, 19] Operation: 57/3=19 Exploring Operation: 3+81=84, Resulting Numbers: [57, 84] Generated Node #0,1,1: 83:[57, 84] Operation: 3+81=84 Exploring Operation: 81-3=78, Resulting Numbers: [57, 78] Generated Node #0,1,2: 83:[57, 78] Operation: 81-3=78 Exploring Operation: 57-3=54, Resulting Numbers: [81, 54] Generated Node #0,1,3: 83:[81, 54] Operation: 57-3=54 Exploring Operation: 3+57=60, Resulting Numbers: [81, 60] Generated Node #0,1,4: 83:[81, 60] Operation: 3+57=60 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 83:[81, 60], Operations: ['4+77=81', '3+57=60'] Exploring Operation: 81+60=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 81*60=4860, Resulting Numbers: [4860] 4860,83 unequal: No Solution Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[57, 84], Operations: ['4+77=81', '3+81=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 #0,1,2 Current State: 83:[57, 78], Operations: ['4+77=81', '81-3=78'] Exploring Operation: 57+78=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 57*78=4446, Resulting Numbers: [4446] 4446,83 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[81, 54], Operations: ['4+77=81', '57-3=54'] Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 81+54=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 81*54=4374, Resulting Numbers: [4374] 4374,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[81, 19], Operations: ['4+77=81', '57/3=19'] Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,83 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,83 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: 83:[77, 57, 7], Operations: ['3+4=7'] Exploring Operation: 57-7=50, Resulting Numbers: [77, 50] Generated Node #0,3,0: 83:[77, 50] Operation: 57-7=50 Exploring Operation: 77-7=70, Resulting Numbers: [57, 70] Generated Node #0,3,1: 83:[57, 70] Operation: 77-7=70 Exploring Operation: 57+7=64, Resulting Numbers: [77, 64] Generated Node #0,3,2: 83:[77, 64] Operation: 57+7=64 Exploring Operation: 77/7=11, Resulting Numbers: [57, 11] Generated Node #0,3,3: 83:[57, 11] Operation: 77/7=11 Exploring Operation: 77+7=84, Resulting Numbers: [57, 84] Generated Node #0,3,4: 83:[57, 84] Operation: 77+7=84 Moving to Node #0,0 Current State: 83:[4, 77, 60], Operations: ['3+57=60'] Exploring Operation: 4+77=81, Resulting Numbers: [60, 81] Generated Node #0,0,0: 83:[60, 81] Operation: 4+77=81 Exploring Operation: 77-4=73, Resulting Numbers: [60, 73] Generated Node #0,0,1: 83:[60, 73] Operation: 77-4=73 Exploring Operation: 60/4=15, Resulting Numbers: [77, 15] Generated Node #0,0,2: 83:[77, 15] Operation: 60/4=15 Exploring Operation: 4+60=64, Resulting Numbers: [77, 64] Generated Node #0,0,3: 83:[77, 64] Operation: 4+60=64 Exploring Operation: 60-4=56, Resulting Numbers: [77, 56] Generated Node #0,0,4: 83:[77, 56] Operation: 60-4=56 Moving to Node #0,2 Current State: 83:[4, 57, 80], Operations: ['3+77=80'] Exploring Operation: 80-4=76, Resulting Numbers: [57, 76] Generated Node #0,2,0: 83:[57, 76] Operation: 80-4=76 Exploring Operation: 80/4=20, Resulting Numbers: [57, 20] Generated Node #0,2,1: 83:[57, 20] Operation: 80/4=20 Exploring Operation: 4+80=84, Resulting Numbers: [57, 84] Generated Node #0,2,2: 83:[57, 84] Operation: 4+80=84 Exploring Operation: 4+57=61, Resulting Numbers: [80, 61] Generated Node #0,2,3: 83:[80, 61] Operation: 4+57=61 Exploring Operation: 57-4=53, Resulting Numbers: [80, 53] Generated Node #0,2,4: 83:[80, 53] Operation: 57-4=53 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[80, 61], Operations: ['3+77=80', '4+57=61'] Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,83 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 #0,2,2 Current State: 83:[57, 84], Operations: ['3+77=80', '4+80=84'] Exploring Operation: 57*84=4788, Resulting Numbers: [4788] 4788,83 unequal: No Solution Exploring Operation: 57+84=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,83 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 #0,2,0 Current State: 83:[57, 76], Operations: ['3+77=80', '80-4=76'] Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,83 unequal: No Solution Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,83 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 #0,2,4 Current State: 83:[80, 53], Operations: ['3+77=80', '57-4=53'] Exploring Operation: 80+53=133, Resulting Numbers: [133] 133,83 unequal: No Solution Exploring Operation: 80*53=4240, Resulting Numbers: [4240] 4240,83 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,83 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 #0,2,1 Current State: 83:[57, 20], Operations: ['3+77=80', '80/4=20'] Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 83:[77, 64], Operations: ['3+4=7', '57+7=64'] Exploring Operation: 77*64=4928, Resulting Numbers: [4928] 4928,83 unequal: No Solution Exploring Operation: 77-64=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 77+64=141, Resulting Numbers: [141] 141,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[60, 81], Operations: ['3+57=60', '4+77=81'] Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,83 unequal: No Solution Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[77, 64], Operations: ['3+57=60', '4+60=64'] Exploring Operation: 77-64=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 77+64=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 77*64=4928, Resulting Numbers: [4928] 4928,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[57, 84], Operations: ['3+4=7', '77+7=84'] Exploring Operation: 57*84=4788, Resulting Numbers: [4788] 4788,83 unequal: No Solution Exploring Operation: 57+84=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[77, 56], Operations: ['3+57=60', '60-4=56'] Exploring Operation: 77-56=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 77*56=4312, Resulting Numbers: [4312] 4312,83 unequal: No Solution Exploring Operation: 77+56=133, Resulting Numbers: [133] 133,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[60, 73], Operations: ['3+57=60', '77-4=73'] Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 60*73=4380, Resulting Numbers: [4380] 4380,83 unequal: No Solution Exploring Operation: 60+73=133, Resulting Numbers: [133] 133,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[77, 50], Operations: ['3+4=7', '57-7=50'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 77*50=3850, Resulting Numbers: [3850] 3850,83 unequal: No Solution Exploring Operation: 77+50=127, Resulting Numbers: [127] 127,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[57, 70], Operations: ['3+4=7', '77-7=70'] Exploring Operation: 57+70=127, Resulting Numbers: [127] 127,83 unequal: No Solution Exploring Operation: 57*70=3990, Resulting Numbers: [3990] 3990,83 unequal: No Solution Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[77, 15], Operations: ['3+57=60', '60/4=15'] Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,83 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,83 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[57, 11], Operations: ['3+4=7', '77/7=11'] Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,83 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,83 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,83 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 61, 41, 66, 83 ]
47
[ "61+41=102", "66+83=149", "149-102=47" ]
Current State: 47:[61, 41, 66, 83], Operations: [] Exploring Operation: 61+41=102, Resulting Numbers: [66, 83, 102] Generated Node #2: [66, 83, 102] from Operation: 61+41=102 Current State: 47:[66, 83, 102], Operations: ['61+41=102'] Exploring Operation: 66+83=149, Resulting Numbers: [102, 149] Generated Node #3: [102, 149] from Operation: 66+83=149 Current State: 47:[102, 149], Operations: ['61+41=102', '66+83=149'] Exploring Operation: 149-102=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[61, 41, 66, 83], Operations: [] Exploring Operation: 66-41=25, Resulting Numbers: [61, 83, 25] Generated Node #0,0: 47:[61, 83, 25] Operation: 66-41=25 Exploring Operation: 83-41=42, Resulting Numbers: [61, 66, 42] Generated Node #0,1: 47:[61, 66, 42] Operation: 83-41=42 Exploring Operation: 83-61=22, Resulting Numbers: [41, 66, 22] Generated Node #0,2: 47:[41, 66, 22] Operation: 83-61=22 Exploring Operation: 83-66=17, Resulting Numbers: [61, 41, 17] Generated Node #0,3: 47:[61, 41, 17] Operation: 83-66=17 Moving to Node #0,1 Current State: 47:[61, 66, 42], Operations: ['83-41=42'] Exploring Operation: 61+42=103, Resulting Numbers: [66, 103] Generated Node #0,1,0: 47:[66, 103] Operation: 61+42=103 Exploring Operation: 61-42=19, Resulting Numbers: [66, 19] Generated Node #0,1,1: 47:[66, 19] Operation: 61-42=19 Exploring Operation: 66-61=5, Resulting Numbers: [42, 5] Generated Node #0,1,2: 47:[42, 5] Operation: 66-61=5 Exploring Operation: 66-42=24, Resulting Numbers: [61, 24] Generated Node #0,1,3: 47:[61, 24] Operation: 66-42=24 Moving to Node #0,3 Current State: 47:[61, 41, 17], Operations: ['83-66=17'] Exploring Operation: 61-17=44, Resulting Numbers: [41, 44] Generated Node #0,3,0: 47:[41, 44] Operation: 61-17=44 Exploring Operation: 61+17=78, Resulting Numbers: [41, 78] Generated Node #0,3,1: 47:[41, 78] Operation: 61+17=78 Exploring Operation: 41-17=24, Resulting Numbers: [61, 24] Generated Node #0,3,2: 47:[61, 24] Operation: 41-17=24 Exploring Operation: 41+17=58, Resulting Numbers: [61, 58] Generated Node #0,3,3: 47:[61, 58] Operation: 41+17=58 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[41, 44], Operations: ['83-66=17', '61-17=44'] Exploring Operation: 41*44=1804, Resulting Numbers: [1804] 1804,47 unequal: No Solution Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,47 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,47 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 #0,3,3 Current State: 47:[61, 58], Operations: ['83-66=17', '41+17=58'] Exploring Operation: 61+58=119, Resulting Numbers: [119] 119,47 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 61*58=3538, Resulting Numbers: [3538] 3538,47 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 #0,3,1 Current State: 47:[41, 78], Operations: ['83-66=17', '61+17=78'] Exploring Operation: 41+78=119, Resulting Numbers: [119] 119,47 unequal: No Solution Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 41*78=3198, Resulting Numbers: [3198] 3198,47 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 #0,3,2 Current State: 47:[61, 24], Operations: ['83-66=17', '41-17=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 61*24=1464, Resulting Numbers: [1464] 1464,47 unequal: No Solution Exploring Operation: 61+24=85, Resulting Numbers: [85] 85,47 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: 47:[41, 66, 22], Operations: ['83-61=22'] Exploring Operation: 66-41=25, Resulting Numbers: [22, 25] Generated Node #0,2,0: 47:[22, 25] Operation: 66-41=25 Exploring Operation: 66-22=44, Resulting Numbers: [41, 44] Generated Node #0,2,1: 47:[41, 44] Operation: 66-22=44 Exploring Operation: 41+22=63, Resulting Numbers: [66, 63] Generated Node #0,2,2: 47:[66, 63] Operation: 41+22=63 Exploring Operation: 41-22=19, Resulting Numbers: [66, 19] Generated Node #0,2,3: 47:[66, 19] Operation: 41-22=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[41, 44], Operations: ['83-61=22', '66-22=44'] Exploring Operation: 41*44=1804, Resulting Numbers: [1804] 1804,47 unequal: No Solution Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,47 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,47 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 #0,2,2 Current State: 47:[66, 63], Operations: ['83-61=22', '41+22=63'] Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 66+63=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 66*63=4158, Resulting Numbers: [4158] 4158,47 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 #0,2,0 Current State: 47:[22, 25], Operations: ['83-61=22', '66-41=25'] Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,47 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[61, 41, 66, 83], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [41, 66, 22] Generated Node #0,2: 47:[41, 66, 22] Operation: 83-61=22 Moving to Node #0,2 Current State: 47:[41, 66, 22], Operations: ['83-61=22'] Exploring Operation: 66-41=25, Resulting Numbers: [22, 25] Generated Node #0,2,0: 47:[22, 25] Operation: 66-41=25 Moving to Node #0,2,0 Current State: 47:[22, 25], Operations: ['83-61=22', '66-41=25'] Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
mult_heuristic
[ 52, 78, 8, 52 ]
85
[ "52/52=1", "78+8=86", "86-1=85" ]
Current State: 85:[52, 78, 8, 52], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [78, 8, 1] Generated Node #2: [78, 8, 1] from Operation: 52/52=1 Current State: 85:[78, 8, 1], Operations: ['52/52=1'] Exploring Operation: 78+8=86, Resulting Numbers: [1, 86] Generated Node #3: [1, 86] from Operation: 78+8=86 Current State: 85:[1, 86], Operations: ['52/52=1', '78+8=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[52, 78, 8, 52], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [78, 8, 1] Generated Node #0,0: 85:[78, 8, 1] Operation: 52/52=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[78, 8, 1], Operations: ['52/52=1'] Exploring Operation: 78+8=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 85:[1, 86] Operation: 78+8=86 Moving to Node #0,0,0 Current State: 85:[1, 86], Operations: ['52/52=1', '78+8=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[52, 78, 8, 52], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [78, 8, 1] Generated Node #0,0: 85:[78, 8, 1] Operation: 52/52=1 Moving to Node #0,0 Current State: 85:[78, 8, 1], Operations: ['52/52=1'] Exploring Operation: 78+8=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 85:[1, 86] Operation: 78+8=86 Moving to Node #0,0,0 Current State: 85:[1, 86], Operations: ['52/52=1', '78+8=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 35, 18, 56, 25 ]
51
[ "25-18=7", "35/7=5", "56-5=51" ]
Current State: 51:[35, 18, 56, 25], Operations: [] Exploring Operation: 25-18=7, Resulting Numbers: [35, 56, 7] Generated Node #2: [35, 56, 7] from Operation: 25-18=7 Current State: 51:[35, 56, 7], Operations: ['25-18=7'] Exploring Operation: 35/7=5, Resulting Numbers: [56, 5] Generated Node #3: [56, 5] from Operation: 35/7=5 Current State: 51:[56, 5], Operations: ['25-18=7', '35/7=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[35, 18, 56, 25], Operations: [] Exploring Operation: 56-35=21, Resulting Numbers: [18, 25, 21] Generated Node #0,0: 51:[18, 25, 21] Operation: 56-35=21 Exploring Operation: 35-25=10, Resulting Numbers: [18, 56, 10] Generated Node #0,1: 51:[18, 56, 10] Operation: 35-25=10 Exploring Operation: 35+18=53, Resulting Numbers: [56, 25, 53] Generated Node #0,2: 51:[56, 25, 53] Operation: 35+18=53 Exploring Operation: 35-18=17, Resulting Numbers: [56, 25, 17] Generated Node #0,3: 51:[56, 25, 17] Operation: 35-18=17 Exploring Operation: 35+25=60, Resulting Numbers: [18, 56, 60] Generated Node #0,4: 51:[18, 56, 60] Operation: 35+25=60 Moving to Node #0,0 Current State: 51:[18, 25, 21], Operations: ['56-35=21'] Exploring Operation: 25+21=46, Resulting Numbers: [18, 46] Generated Node #0,0,0: 51:[18, 46] Operation: 25+21=46 Exploring Operation: 21-18=3, Resulting Numbers: [25, 3] Generated Node #0,0,1: 51:[25, 3] Operation: 21-18=3 Exploring Operation: 25-21=4, Resulting Numbers: [18, 4] Generated Node #0,0,2: 51:[18, 4] Operation: 25-21=4 Exploring Operation: 25-18=7, Resulting Numbers: [21, 7] Generated Node #0,0,3: 51:[21, 7] Operation: 25-18=7 Exploring Operation: 18+25=43, Resulting Numbers: [21, 43] Generated Node #0,0,4: 51:[21, 43] Operation: 18+25=43 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[18, 4], Operations: ['56-35=21', '25-21=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[18, 46], Operations: ['56-35=21', '25+21=46'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,51 unequal: No Solution Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[25, 3], Operations: ['56-35=21', '21-18=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 51:[21, 7], Operations: ['56-35=21', '25-18=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,51 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 51:[21, 43], Operations: ['56-35=21', '18+25=43'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,51 unequal: No Solution Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,51 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: 51:[56, 25, 17], Operations: ['35-18=17'] Exploring Operation: 56-17=39, Resulting Numbers: [25, 39] Generated Node #0,3,0: 51:[25, 39] Operation: 56-17=39 Exploring Operation: 56-25=31, Resulting Numbers: [17, 31] Generated Node #0,3,1: 51:[17, 31] Operation: 56-25=31 Exploring Operation: 25-17=8, Resulting Numbers: [56, 8] Generated Node #0,3,2: 51:[56, 8] Operation: 25-17=8 Exploring Operation: 56+25=81, Resulting Numbers: [17, 81] Generated Node #0,3,3: 51:[17, 81] Operation: 56+25=81 Exploring Operation: 25+17=42, Resulting Numbers: [56, 42] Generated Node #0,3,4: 51:[56, 42] Operation: 25+17=42 Moving to Node #0,1 Current State: 51:[18, 56, 10], Operations: ['35-25=10'] Exploring Operation: 18+10=28, Resulting Numbers: [56, 28] Generated Node #0,1,0: 51:[56, 28] Operation: 18+10=28 Exploring Operation: 56-10=46, Resulting Numbers: [18, 46] Generated Node #0,1,1: 51:[18, 46] Operation: 56-10=46 Exploring Operation: 56+10=66, Resulting Numbers: [18, 66] Generated Node #0,1,2: 51:[18, 66] Operation: 56+10=66 Exploring Operation: 56-18=38, Resulting Numbers: [10, 38] Generated Node #0,1,3: 51:[10, 38] Operation: 56-18=38 Exploring Operation: 18-10=8, Resulting Numbers: [56, 8] Generated Node #0,1,4: 51:[56, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[18, 46], Operations: ['35-25=10', '56-10=46'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,51 unequal: No Solution Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 51:[56, 8], Operations: ['35-25=10', '18-10=8'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,51 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[56, 28], Operations: ['35-25=10', '18+10=28'] Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,51 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[18, 66], Operations: ['35-25=10', '56+10=66'] Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,51 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[10, 38], Operations: ['35-25=10', '56-18=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 51:[56, 25, 53], Operations: ['35+18=53'] Exploring Operation: 56+25=81, Resulting Numbers: [53, 81] Generated Node #0,2,0: 51:[53, 81] Operation: 56+25=81 Exploring Operation: 56-53=3, Resulting Numbers: [25, 3] Generated Node #0,2,1: 51:[25, 3] Operation: 56-53=3 Exploring Operation: 56-25=31, Resulting Numbers: [53, 31] Generated Node #0,2,2: 51:[53, 31] Operation: 56-25=31 Exploring Operation: 53-25=28, Resulting Numbers: [56, 28] Generated Node #0,2,3: 51:[56, 28] Operation: 53-25=28 Exploring Operation: 25+53=78, Resulting Numbers: [56, 78] Generated Node #0,2,4: 51:[56, 78] Operation: 25+53=78 Moving to Node #0,4 Current State: 51:[18, 56, 60], Operations: ['35+25=60'] Exploring Operation: 60-18=42, Resulting Numbers: [56, 42] Generated Node #0,4,0: 51:[56, 42] Operation: 60-18=42 Exploring Operation: 18+60=78, Resulting Numbers: [56, 78] Generated Node #0,4,1: 51:[56, 78] Operation: 18+60=78 Exploring Operation: 18+56=74, Resulting Numbers: [60, 74] Generated Node #0,4,2: 51:[60, 74] Operation: 18+56=74 Exploring Operation: 60-56=4, Resulting Numbers: [18, 4] Generated Node #0,4,3: 51:[18, 4] Operation: 60-56=4 Exploring Operation: 56-18=38, Resulting Numbers: [60, 38] Generated Node #0,4,4: 51:[60, 38] Operation: 56-18=38 Moving to Node #0,4,3 Current State: 51:[18, 4], Operations: ['35+25=60', '60-56=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,51 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[25, 3], Operations: ['35+18=53', '56-53=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[56, 8], Operations: ['35-18=17', '25-17=8'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,51 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,3,4 Current State: 51:[56, 42], Operations: ['35-18=17', '25+17=42'] Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,51 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,51 unequal: No Solution Moving to Node #0,4,0 Current State: 51:[56, 42], Operations: ['35+25=60', '60-18=42'] Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,51 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[17, 31], Operations: ['35-18=17', '56-25=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[53, 31], Operations: ['35+18=53', '56-25=31'] Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[56, 28], Operations: ['35+18=53', '53-25=28'] Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,51 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[25, 39], Operations: ['35-18=17', '56-17=39'] Exploring Operation: 25*39=975, Resulting Numbers: [975] 975,51 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,4,4 Current State: 51:[60, 38], Operations: ['35+25=60', '56-18=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,51 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[17, 81], Operations: ['35-18=17', '56+25=81'] Exploring Operation: 17*81=1377, Resulting Numbers: [1377] 1377,51 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 17+81=98, Resulting Numbers: [98] 98,51 unequal: No Solution Moving to Node #0,2,4 Current State: 51:[56, 78], Operations: ['35+18=53', '25+53=78'] Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 56+78=134, Resulting Numbers: [134] 134,51 unequal: No Solution Exploring Operation: 56*78=4368, Resulting Numbers: [4368] 4368,51 unequal: No Solution Moving to Node #0,4,1 Current State: 51:[56, 78], Operations: ['35+25=60', '18+60=78'] Exploring Operation: 56+78=134, Resulting Numbers: [134] 134,51 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 56*78=4368, Resulting Numbers: [4368] 4368,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[53, 81], Operations: ['35+18=53', '56+25=81'] Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,51 unequal: No Solution Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,51 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,4,2 Current State: 51:[60, 74], Operations: ['35+25=60', '18+56=74'] Exploring Operation: 60*74=4440, Resulting Numbers: [4440] 4440,51 unequal: No Solution Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 60+74=134, Resulting Numbers: [134] 134,51 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 12, 4, 34, 64 ]
33
[ "12/4=3", "64-34=30", "3+30=33" ]
Current State: 33:[12, 4, 34, 64], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [34, 64, 3] Generated Node #2: [34, 64, 3] from Operation: 12/4=3 Current State: 33:[34, 64, 3], Operations: ['12/4=3'] Exploring Operation: 64-34=30, Resulting Numbers: [3, 30] Generated Node #3: [3, 30] from Operation: 64-34=30 Current State: 33:[3, 30], Operations: ['12/4=3', '64-34=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[12, 4, 34, 64], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [12, 4, 30] Generated Node #0,0: 33:[12, 4, 30] Operation: 64-34=30 Moving to Node #0,0 Current State: 33:[12, 4, 30], Operations: ['64-34=30'] Exploring Operation: 4+30=34, Resulting Numbers: [12, 34] Generated Node #0,0,0: 33:[12, 34] Operation: 4+30=34 Moving to Node #0,0,0 Current State: 33:[12, 34], Operations: ['64-34=30', '4+30=34'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 19, 17, 55, 52 ]
71
[ "19+17=36", "55+52=107", "107-36=71" ]
Current State: 71:[19, 17, 55, 52], Operations: [] Exploring Operation: 19+17=36, Resulting Numbers: [55, 52, 36] Generated Node #2: [55, 52, 36] from Operation: 19+17=36 Current State: 71:[55, 52, 36], Operations: ['19+17=36'] Exploring Operation: 55+52=107, Resulting Numbers: [36, 107] Generated Node #3: [36, 107] from Operation: 55+52=107 Current State: 71:[36, 107], Operations: ['19+17=36', '55+52=107'] Exploring Operation: 107-36=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[19, 17, 55, 52], Operations: [] Exploring Operation: 19+17=36, Resulting Numbers: [55, 52, 36] Generated Node #0,0: 71:[55, 52, 36] Operation: 19+17=36 Exploring Operation: 19+52=71, Resulting Numbers: [17, 55, 71] Generated Node #0,1: 71:[17, 55, 71] Operation: 19+52=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[55, 52, 36], Operations: ['19+17=36'] Exploring Operation: 55+36=91, Resulting Numbers: [52, 91] Generated Node #0,0,0: 71:[52, 91] Operation: 55+36=91 Exploring Operation: 52+36=88, Resulting Numbers: [55, 88] Generated Node #0,0,1: 71:[55, 88] Operation: 52+36=88 Moving to Node #0,0,1 Current State: 71:[55, 88], Operations: ['19+17=36', '52+36=88'] Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 55+88=143, Resulting Numbers: [143] 143,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[52, 91], Operations: ['19+17=36', '55+36=91'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[17, 55, 71], Operations: ['19+52=71'] Exploring Operation: 17+55=72, Resulting Numbers: [71, 72] Generated Node #0,1,0: 71:[71, 72] Operation: 17+55=72 Exploring Operation: 55-17=38, Resulting Numbers: [71, 38] Generated Node #0,1,1: 71:[71, 38] Operation: 55-17=38 Moving to Node #0,1,0 Current State: 71:[71, 72], Operations: ['19+52=71', '17+55=72'] Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[71, 38], Operations: ['19+52=71', '55-17=38'] Exploring Operation: 71+38=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,71 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
[ 96, 93, 98, 22 ]
14
[ "98-93=5", "22*5=110", "110-96=14" ]
Current State: 14:[96, 93, 98, 22], Operations: [] Exploring Operation: 98-93=5, Resulting Numbers: [96, 22, 5] Generated Node #2: [96, 22, 5] from Operation: 98-93=5 Current State: 14:[96, 22, 5], Operations: ['98-93=5'] Exploring Operation: 22*5=110, Resulting Numbers: [96, 110] Generated Node #3: [96, 110] from Operation: 22*5=110 Current State: 14:[96, 110], Operations: ['98-93=5', '22*5=110'] Exploring Operation: 110-96=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[96, 93, 98, 22], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [98, 22, 3] Generated Node #0,0: 14:[98, 22, 3] Operation: 96-93=3 Exploring Operation: 98-96=2, Resulting Numbers: [93, 22, 2] Generated Node #0,1: 14:[93, 22, 2] Operation: 98-96=2 Exploring Operation: 98-93=5, Resulting Numbers: [96, 22, 5] Generated Node #0,2: 14:[96, 22, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[93, 22, 2], Operations: ['98-96=2'] Exploring Operation: 93-2=91, Resulting Numbers: [22, 91] Generated Node #0,1,0: 14:[22, 91] Operation: 93-2=91 Exploring Operation: 22/2=11, Resulting Numbers: [93, 11] Generated Node #0,1,1: 14:[93, 11] Operation: 22/2=11 Exploring Operation: 93-22=71, Resulting Numbers: [2, 71] Generated Node #0,1,2: 14:[2, 71] Operation: 93-22=71 Moving to Node #0,1,2 Current State: 14:[2, 71], Operations: ['98-96=2', '93-22=71'] Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,14 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[93, 11], Operations: ['98-96=2', '22/2=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,14 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,14 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[22, 91], Operations: ['98-96=2', '93-2=91'] Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 22+91=113, Resulting Numbers: [113] 113,14 unequal: No Solution Exploring Operation: 22*91=2002, Resulting Numbers: [2002] 2002,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[96, 22, 5], Operations: ['98-93=5'] Exploring Operation: 96-22=74, Resulting Numbers: [5, 74] Generated Node #0,2,0: 14:[5, 74] Operation: 96-22=74 Exploring Operation: 96-5=91, Resulting Numbers: [22, 91] Generated Node #0,2,1: 14:[22, 91] Operation: 96-5=91 Exploring Operation: 22-5=17, Resulting Numbers: [96, 17] Generated Node #0,2,2: 14:[96, 17] Operation: 22-5=17 Moving to Node #0,2,0 Current State: 14:[5, 74], Operations: ['98-93=5', '96-22=74'] Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,14 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[22, 91], Operations: ['98-93=5', '96-5=91'] Exploring Operation: 22*91=2002, Resulting Numbers: [2002] 2002,14 unequal: No Solution Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 22+91=113, Resulting Numbers: [113] 113,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[96, 17], Operations: ['98-93=5', '22-5=17'] Exploring Operation: 96+17=113, Resulting Numbers: [113] 113,14 unequal: No Solution Exploring Operation: 96*17=1632, Resulting Numbers: [1632] 1632,14 unequal: No Solution Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[98, 22, 3], Operations: ['96-93=3'] Exploring Operation: 98-3=95, Resulting Numbers: [22, 95] Generated Node #0,0,0: 14:[22, 95] Operation: 98-3=95 Exploring Operation: 98-22=76, Resulting Numbers: [3, 76] Generated Node #0,0,1: 14:[3, 76] Operation: 98-22=76 Exploring Operation: 22-3=19, Resulting Numbers: [98, 19] Generated Node #0,0,2: 14:[98, 19] Operation: 22-3=19 Moving to Node #0,0,1 Current State: 14:[3, 76], Operations: ['96-93=3', '98-22=76'] Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,14 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[22, 95], Operations: ['96-93=3', '98-3=95'] Exploring Operation: 22*95=2090, Resulting Numbers: [2090] 2090,14 unequal: No Solution Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,14 unequal: No Solution Exploring Operation: 22+95=117, Resulting Numbers: [117] 117,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[98, 19], Operations: ['96-93=3', '22-3=19'] Exploring Operation: 98-19=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 98+19=117, Resulting Numbers: [117] 117,14 unequal: No Solution Exploring Operation: 98*19=1862, Resulting Numbers: [1862] 1862,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 95, 2, 72, 92 ]
43
[ "95+92=187", "2*72=144", "187-144=43" ]
Current State: 43:[95, 2, 72, 92], Operations: [] Exploring Operation: 95+92=187, Resulting Numbers: [2, 72, 187] Generated Node #2: [2, 72, 187] from Operation: 95+92=187 Current State: 43:[2, 72, 187], Operations: ['95+92=187'] Exploring Operation: 2*72=144, Resulting Numbers: [187, 144] Generated Node #3: [187, 144] from Operation: 2*72=144 Current State: 43:[187, 144], Operations: ['95+92=187', '2*72=144'] Exploring Operation: 187-144=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[95, 2, 72, 92], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [95, 92, 36] Generated Node #0,0: 43:[95, 92, 36] Operation: 72/2=36 Exploring Operation: 92/2=46, Resulting Numbers: [95, 72, 46] Generated Node #0,1: 43:[95, 72, 46] Operation: 92/2=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[95, 72, 46], Operations: ['92/2=46'] Exploring Operation: 95-72=23, Resulting Numbers: [46, 23] Generated Node #0,1,0: 43:[46, 23] Operation: 95-72=23 Exploring Operation: 95-46=49, Resulting Numbers: [72, 49] Generated Node #0,1,1: 43:[72, 49] Operation: 95-46=49 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[46, 23], Operations: ['92/2=46', '95-72=23'] Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[72, 49], Operations: ['92/2=46', '95-46=49'] Exploring Operation: 72-49=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 72+49=121, Resulting Numbers: [121] 121,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[95, 92, 36], Operations: ['72/2=36'] Exploring Operation: 95-36=59, Resulting Numbers: [92, 59] Generated Node #0,0,0: 43:[92, 59] Operation: 95-36=59 Exploring Operation: 95-92=3, Resulting Numbers: [36, 3] Generated Node #0,0,1: 43:[36, 3] Operation: 95-92=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[36, 3], Operations: ['72/2=36', '95-92=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[92, 59], Operations: ['72/2=36', '95-36=59'] Exploring Operation: 92-59=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 92+59=151, Resulting Numbers: [151] 151,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 65, 59, 36, 5 ]
30
[ "65-59=6", "36*5=180", "180/6=30" ]
Current State: 30:[65, 59, 36, 5], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [36, 5, 6] Generated Node #2: [36, 5, 6] from Operation: 65-59=6 Current State: 30:[36, 5, 6], Operations: ['65-59=6'] Exploring Operation: 36*5=180, Resulting Numbers: [6, 180] Generated Node #3: [6, 180] from Operation: 36*5=180 Current State: 30:[6, 180], Operations: ['65-59=6', '36*5=180'] Exploring Operation: 180/6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[65, 59, 36, 5], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [36, 5, 6] Generated Node #0,0: 30:[36, 5, 6] Operation: 65-59=6 Exploring Operation: 65/5=13, Resulting Numbers: [59, 36, 13] Generated Node #0,1: 30:[59, 36, 13] Operation: 65/5=13 Exploring Operation: 65-36=29, Resulting Numbers: [59, 5, 29] Generated Node #0,2: 30:[59, 5, 29] Operation: 65-36=29 Moving to Node #0,0 Current State: 30:[36, 5, 6], Operations: ['65-59=6'] Exploring Operation: 36/6=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 30:[5, 6] Operation: 36/6=6 Exploring Operation: 36-5=31, Resulting Numbers: [6, 31] Generated Node #0,0,1: 30:[6, 31] Operation: 36-5=31 Exploring Operation: 36-6=30, Resulting Numbers: [5, 30] Generated Node #0,0,2: 30:[5, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[5, 6], Operations: ['65-59=6', '36/6=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[65, 59, 36, 5], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [36, 5, 6] Generated Node #0,0: 30:[36, 5, 6] Operation: 65-59=6 Moving to Node #0,0 Current State: 30:[36, 5, 6], Operations: ['65-59=6'] Exploring Operation: 36/6=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 30:[5, 6] Operation: 36/6=6 Moving to Node #0,0,0 Current State: 30:[5, 6], Operations: ['65-59=6', '36/6=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 17, 38, 81, 42 ]
18
[ "38-17=21", "81-42=39", "39-21=18" ]
Current State: 18:[17, 38, 81, 42], Operations: [] Exploring Operation: 38-17=21, Resulting Numbers: [81, 42, 21] Generated Node #2: [81, 42, 21] from Operation: 38-17=21 Current State: 18:[81, 42, 21], Operations: ['38-17=21'] Exploring Operation: 81-42=39, Resulting Numbers: [21, 39] Generated Node #3: [21, 39] from Operation: 81-42=39 Current State: 18:[21, 39], Operations: ['38-17=21', '81-42=39'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[17, 38, 81, 42], Operations: [] Exploring Operation: 38-17=21, Resulting Numbers: [81, 42, 21] Generated Node #0,0: 18:[81, 42, 21] Operation: 38-17=21 Exploring Operation: 42-38=4, Resulting Numbers: [17, 81, 4] Generated Node #0,1: 18:[17, 81, 4] Operation: 42-38=4 Exploring Operation: 81-38=43, Resulting Numbers: [17, 42, 43] Generated Node #0,2: 18:[17, 42, 43] Operation: 81-38=43 Exploring Operation: 81-17=64, Resulting Numbers: [38, 42, 64] Generated Node #0,3: 18:[38, 42, 64] Operation: 81-17=64 Exploring Operation: 81-42=39, Resulting Numbers: [17, 38, 39] Generated Node #0,4: 18:[17, 38, 39] Operation: 81-42=39 Moving to Node #0,4 Current State: 18:[17, 38, 39], Operations: ['81-42=39'] Exploring Operation: 38-17=21, Resulting Numbers: [39, 21] Generated Node #0,4,0: 18:[39, 21] Operation: 38-17=21 Exploring Operation: 39-38=1, Resulting Numbers: [17, 1] Generated Node #0,4,1: 18:[17, 1] Operation: 39-38=1 Exploring Operation: 39-17=22, Resulting Numbers: [38, 22] Generated Node #0,4,2: 18:[38, 22] Operation: 39-17=22 Exploring Operation: 17+38=55, Resulting Numbers: [39, 55] Generated Node #0,4,3: 18:[39, 55] Operation: 17+38=55 Exploring Operation: 17+39=56, Resulting Numbers: [38, 56] Generated Node #0,4,4: 18:[38, 56] Operation: 17+39=56 Moving to Node #0,2 Current State: 18:[17, 42, 43], Operations: ['81-38=43'] Exploring Operation: 43-42=1, Resulting Numbers: [17, 1] Generated Node #0,2,0: 18:[17, 1] Operation: 43-42=1 Exploring Operation: 17+43=60, Resulting Numbers: [42, 60] Generated Node #0,2,1: 18:[42, 60] Operation: 17+43=60 Exploring Operation: 43-17=26, Resulting Numbers: [42, 26] Generated Node #0,2,2: 18:[42, 26] Operation: 43-17=26 Exploring Operation: 17+42=59, Resulting Numbers: [43, 59] Generated Node #0,2,3: 18:[43, 59] Operation: 17+42=59 Exploring Operation: 42-17=25, Resulting Numbers: [43, 25] Generated Node #0,2,4: 18:[43, 25] Operation: 42-17=25 Moving to Node #0,1 Current State: 18:[17, 81, 4], Operations: ['42-38=4'] Exploring Operation: 17+4=21, Resulting Numbers: [81, 21] Generated Node #0,1,0: 18:[81, 21] Operation: 17+4=21 Exploring Operation: 81+4=85, Resulting Numbers: [17, 85] Generated Node #0,1,1: 18:[17, 85] Operation: 81+4=85 Exploring Operation: 17-4=13, Resulting Numbers: [81, 13] Generated Node #0,1,2: 18:[81, 13] Operation: 17-4=13 Exploring Operation: 81-17=64, Resulting Numbers: [4, 64] Generated Node #0,1,3: 18:[4, 64] Operation: 81-17=64 Exploring Operation: 81-4=77, Resulting Numbers: [17, 77] Generated Node #0,1,4: 18:[17, 77] Operation: 81-4=77 Moving to Node #0,0 Current State: 18:[81, 42, 21], Operations: ['38-17=21'] Exploring Operation: 81-21=60, Resulting Numbers: [42, 60] Generated Node #0,0,0: 18:[42, 60] Operation: 81-21=60 Exploring Operation: 81-42=39, Resulting Numbers: [21, 39] Generated Node #0,0,1: 18:[21, 39] Operation: 81-42=39 Exploring Operation: 42/21=2, Resulting Numbers: [81, 2] Generated Node #0,0,2: 18:[81, 2] Operation: 42/21=2 Exploring Operation: 81+42=123, Resulting Numbers: [21, 123] Generated Node #0,0,3: 18:[21, 123] Operation: 81+42=123 Exploring Operation: 42-21=21, Resulting Numbers: [81, 21] Generated Node #0,0,4: 18:[81, 21] Operation: 42-21=21 Moving to Node #0,3 Current State: 18:[38, 42, 64], Operations: ['81-17=64'] Exploring Operation: 64-38=26, Resulting Numbers: [42, 26] Generated Node #0,3,0: 18:[42, 26] Operation: 64-38=26 Exploring Operation: 64-42=22, Resulting Numbers: [38, 22] Generated Node #0,3,1: 18:[38, 22] Operation: 64-42=22 Exploring Operation: 42-38=4, Resulting Numbers: [64, 4] Generated Node #0,3,2: 18:[64, 4] Operation: 42-38=4 Exploring Operation: 38+64=102, Resulting Numbers: [42, 102] Generated Node #0,3,3: 18:[42, 102] Operation: 38+64=102 Exploring Operation: 38+42=80, Resulting Numbers: [64, 80] Generated Node #0,3,4: 18:[64, 80] Operation: 38+42=80 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[38, 22], Operations: ['81-17=64', '64-42=22'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[42, 26], Operations: ['81-17=64', '64-38=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[64, 4], Operations: ['81-17=64', '42-38=4'] Exploring Operation: 64*4=256, Resulting Numbers: [256] 256,18 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[42, 102], Operations: ['81-17=64', '38+64=102'] Exploring Operation: 42+102=144, Resulting Numbers: [144] 144,18 unequal: No Solution Exploring Operation: 42*102=4284, Resulting Numbers: [4284] 4284,18 unequal: No Solution Exploring Operation: 102-42=60, Resulting Numbers: [60] 60,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[64, 80], Operations: ['81-17=64', '38+42=80'] Exploring Operation: 64+80=144, Resulting Numbers: [144] 144,18 unequal: No Solution Exploring Operation: 64*80=5120, Resulting Numbers: [5120] 5120,18 unequal: No Solution Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 18:[17, 1], Operations: ['81-42=39', '39-38=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[17, 38, 81, 42], Operations: [] Exploring Operation: 81-42=39, Resulting Numbers: [17, 38, 39] Generated Node #0,4: 18:[17, 38, 39] Operation: 81-42=39 Moving to Node #0,4 Current State: 18:[17, 38, 39], Operations: ['81-42=39'] Exploring Operation: 39-38=1, Resulting Numbers: [17, 1] Generated Node #0,4,1: 18:[17, 1] Operation: 39-38=1 Moving to Node #0,4,1 Current State: 18:[17, 1], Operations: ['81-42=39', '39-38=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 33, 64, 55, 28 ]
58
[ "64-33=31", "55-28=27", "31+27=58" ]
Current State: 58:[33, 64, 55, 28], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [55, 28, 31] Generated Node #2: [55, 28, 31] from Operation: 64-33=31 Current State: 58:[55, 28, 31], Operations: ['64-33=31'] Exploring Operation: 55-28=27, Resulting Numbers: [31, 27] Generated Node #3: [31, 27] from Operation: 55-28=27 Current State: 58:[31, 27], Operations: ['64-33=31', '55-28=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[33, 64, 55, 28], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [55, 28, 31] Generated Node #0,0: 58:[55, 28, 31] Operation: 64-33=31 Exploring Operation: 33+28=61, Resulting Numbers: [64, 55, 61] Generated Node #0,1: 58:[64, 55, 61] Operation: 33+28=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[55, 28, 31], Operations: ['64-33=31'] Exploring Operation: 55-28=27, Resulting Numbers: [31, 27] Generated Node #0,0,0: 58:[31, 27] Operation: 55-28=27 Exploring Operation: 28+31=59, Resulting Numbers: [55, 59] Generated Node #0,0,1: 58:[55, 59] Operation: 28+31=59 Moving to Node #0,0,0 Current State: 58:[31, 27], Operations: ['64-33=31', '55-28=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[33, 64, 55, 28], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [55, 28, 31] Generated Node #0,0: 58:[55, 28, 31] Operation: 64-33=31 Moving to Node #0,0 Current State: 58:[55, 28, 31], Operations: ['64-33=31'] Exploring Operation: 55-28=27, Resulting Numbers: [31, 27] Generated Node #0,0,0: 58:[31, 27] Operation: 55-28=27 Moving to Node #0,0,0 Current State: 58:[31, 27], Operations: ['64-33=31', '55-28=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 9, 8, 27, 61 ]
37
[ "27/9=3", "8*3=24", "61-24=37" ]
Current State: 37:[9, 8, 27, 61], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [8, 61, 3] Generated Node #2: [8, 61, 3] from Operation: 27/9=3 Current State: 37:[8, 61, 3], Operations: ['27/9=3'] Exploring Operation: 8*3=24, Resulting Numbers: [61, 24] Generated Node #3: [61, 24] from Operation: 8*3=24 Current State: 37:[61, 24], Operations: ['27/9=3', '8*3=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[9, 8, 27, 61], Operations: [] Exploring Operation: 8+27=35, Resulting Numbers: [9, 61, 35] Generated Node #0,0: 37:[9, 61, 35] Operation: 8+27=35 Exploring Operation: 61-9=52, Resulting Numbers: [8, 27, 52] Generated Node #0,1: 37:[8, 27, 52] Operation: 61-9=52 Exploring Operation: 9+27=36, Resulting Numbers: [8, 61, 36] Generated Node #0,2: 37:[8, 61, 36] Operation: 9+27=36 Exploring Operation: 9+8=17, Resulting Numbers: [27, 61, 17] Generated Node #0,3: 37:[27, 61, 17] Operation: 9+8=17 Moving to Node #0,0 Current State: 37:[9, 61, 35], Operations: ['8+27=35'] Exploring Operation: 9+35=44, Resulting Numbers: [61, 44] Generated Node #0,0,0: 37:[61, 44] Operation: 9+35=44 Exploring Operation: 9+61=70, Resulting Numbers: [35, 70] Generated Node #0,0,1: 37:[35, 70] Operation: 9+61=70 Exploring Operation: 35-9=26, Resulting Numbers: [61, 26] Generated Node #0,0,2: 37:[61, 26] Operation: 35-9=26 Exploring Operation: 61-9=52, Resulting Numbers: [35, 52] Generated Node #0,0,3: 37:[35, 52] Operation: 61-9=52 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 37:[35, 52], Operations: ['8+27=35', '61-9=52'] Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,37 unequal: No Solution Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,37 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 #0,0,0 Current State: 37:[61, 44], Operations: ['8+27=35', '9+35=44'] Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,37 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,37 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 #0,0,1 Current State: 37:[35, 70], Operations: ['8+27=35', '9+61=70'] Exploring Operation: 35*70=2450, Resulting Numbers: [2450] 2450,37 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 35+70=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,37 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 #0,0,2 Current State: 37:[61, 26], Operations: ['8+27=35', '35-9=26'] Exploring Operation: 61+26=87, Resulting Numbers: [87] 87,37 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 61*26=1586, Resulting Numbers: [1586] 1586,37 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: 37:[8, 61, 36], Operations: ['9+27=36'] Exploring Operation: 8+61=69, Resulting Numbers: [36, 69] Generated Node #0,2,0: 37:[36, 69] Operation: 8+61=69 Exploring Operation: 8+36=44, Resulting Numbers: [61, 44] Generated Node #0,2,1: 37:[61, 44] Operation: 8+36=44 Exploring Operation: 61-8=53, Resulting Numbers: [36, 53] Generated Node #0,2,2: 37:[36, 53] Operation: 61-8=53 Exploring Operation: 36-8=28, Resulting Numbers: [61, 28] Generated Node #0,2,3: 37:[61, 28] Operation: 36-8=28 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[36, 53], Operations: ['9+27=36', '61-8=53'] Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 36*53=1908, Resulting Numbers: [1908] 1908,37 unequal: No Solution Exploring Operation: 36+53=89, Resulting Numbers: [89] 89,37 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 #0,2,1 Current State: 37:[61, 44], Operations: ['9+27=36', '8+36=44'] Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,37 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,37 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 #0,2,0 Current State: 37:[36, 69], Operations: ['9+27=36', '8+61=69'] Exploring Operation: 36*69=2484, Resulting Numbers: [2484] 2484,37 unequal: No Solution Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,37 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 #0,2,3 Current State: 37:[61, 28], Operations: ['9+27=36', '36-8=28'] Exploring Operation: 61*28=1708, Resulting Numbers: [1708] 1708,37 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 61+28=89, Resulting Numbers: [89] 89,37 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: 37:[8, 27, 52], Operations: ['61-9=52'] Exploring Operation: 27-8=19, Resulting Numbers: [52, 19] Generated Node #0,1,0: 37:[52, 19] Operation: 27-8=19 Exploring Operation: 8+27=35, Resulting Numbers: [52, 35] Generated Node #0,1,1: 37:[52, 35] Operation: 8+27=35 Exploring Operation: 8+52=60, Resulting Numbers: [27, 60] Generated Node #0,1,2: 37:[27, 60] Operation: 8+52=60 Exploring Operation: 52-8=44, Resulting Numbers: [27, 44] Generated Node #0,1,3: 37:[27, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[52, 35], Operations: ['61-9=52', '8+27=35'] Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,37 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 37:[27, 44], Operations: ['61-9=52', '52-8=44'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,37 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[52, 19], Operations: ['61-9=52', '27-8=19'] Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,37 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[27, 60], Operations: ['61-9=52', '8+52=60'] Exploring Operation: 27*60=1620, Resulting Numbers: [1620] 1620,37 unequal: No Solution Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,37 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,37 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: 37:[27, 61, 17], Operations: ['9+8=17'] Exploring Operation: 61-27=34, Resulting Numbers: [17, 34] Generated Node #0,3,0: 37:[17, 34] Operation: 61-27=34 Exploring Operation: 27+17=44, Resulting Numbers: [61, 44] Generated Node #0,3,1: 37:[61, 44] Operation: 27+17=44 Exploring Operation: 27-17=10, Resulting Numbers: [61, 10] Generated Node #0,3,2: 37:[61, 10] Operation: 27-17=10 Exploring Operation: 61-17=44, Resulting Numbers: [27, 44] Generated Node #0,3,3: 37:[27, 44] Operation: 61-17=44 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[27, 44], Operations: ['9+8=17', '61-17=44'] Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,37 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,37 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 #0,3,0 Current State: 37:[17, 34], Operations: ['9+8=17', '61-27=34'] Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,37 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,37 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 #0,3,1 Current State: 37:[61, 44], Operations: ['9+8=17', '27+17=44'] Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,37 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 #0,3,2 Current State: 37:[61, 10], Operations: ['9+8=17', '27-17=10'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 61+10=71, Resulting Numbers: [71] 71,37 unequal: No Solution Exploring Operation: 61*10=610, Resulting Numbers: [610] 610,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 29, 82, 35, 41 ]
84
[ "29+41=70", "70/35=2", "82+2=84" ]
Current State: 84:[29, 82, 35, 41], Operations: [] Exploring Operation: 29+41=70, Resulting Numbers: [82, 35, 70] Generated Node #2: [82, 35, 70] from Operation: 29+41=70 Current State: 84:[82, 35, 70], Operations: ['29+41=70'] Exploring Operation: 70/35=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 70/35=2 Current State: 84:[82, 2], Operations: ['29+41=70', '70/35=2'] Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[29, 82, 35, 41], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [82, 41, 6] Generated Node #0,0: 84:[82, 41, 6] Operation: 35-29=6 Exploring Operation: 41-35=6, Resulting Numbers: [29, 82, 6] Generated Node #0,1: 84:[29, 82, 6] Operation: 41-35=6 Moving to Node #0,0 Current State: 84:[82, 41, 6], Operations: ['35-29=6'] Exploring Operation: 82-41=41, Resulting Numbers: [6, 41] Generated Node #0,0,0: 84:[6, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 84:[6, 2] Operation: 82/41=2 Moving to Node #0,1 Current State: 84:[29, 82, 6], Operations: ['41-35=6'] Exploring Operation: 29-6=23, Resulting Numbers: [82, 23] Generated Node #0,1,0: 84:[82, 23] Operation: 29-6=23 Exploring Operation: 82+6=88, Resulting Numbers: [29, 88] Generated Node #0,1,1: 84:[29, 88] Operation: 82+6=88 Moving to Node #0,0,1 Current State: 84:[6, 2], Operations: ['35-29=6', '82/41=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[6, 41], Operations: ['35-29=6', '82-41=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,84 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[82, 23], Operations: ['41-35=6', '29-6=23'] Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[29, 88], Operations: ['41-35=6', '82+6=88'] Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 29+88=117, Resulting Numbers: [117] 117,84 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 31, 33, 20, 10 ]
66
[ "31+33=64", "20/10=2", "64+2=66" ]
Current State: 66:[31, 33, 20, 10], Operations: [] Exploring Operation: 31+33=64, Resulting Numbers: [20, 10, 64] Generated Node #2: [20, 10, 64] from Operation: 31+33=64 Current State: 66:[20, 10, 64], Operations: ['31+33=64'] Exploring Operation: 20/10=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 20/10=2 Current State: 66:[64, 2], Operations: ['31+33=64', '20/10=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[31, 33, 20, 10], Operations: [] Exploring Operation: 31-20=11, Resulting Numbers: [33, 10, 11] Generated Node #0,0: 66:[33, 10, 11] Operation: 31-20=11 Moving to Node #0,0 Current State: 66:[33, 10, 11], Operations: ['31-20=11'] Exploring Operation: 33-10=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 66:[11, 23] Operation: 33-10=23 Moving to Node #0,0,0 Current State: 66:[11, 23], Operations: ['31-20=11', '33-10=23'] Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,66 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 5, 13, 8, 26 ]
27
[ "13-5=8", "8/8=1", "26+1=27" ]
Current State: 27:[5, 13, 8, 26], Operations: [] Exploring Operation: 13-5=8, Resulting Numbers: [8, 26, 8] Generated Node #2: [8, 26, 8] from Operation: 13-5=8 Current State: 27:[8, 26, 8], Operations: ['13-5=8'] Exploring Operation: 8/8=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 8/8=1 Current State: 27:[26, 1], Operations: ['13-5=8', '8/8=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[5, 13, 8, 26], Operations: [] Exploring Operation: 13-5=8, Resulting Numbers: [8, 26, 8] Generated Node #0,0: 27:[8, 26, 8] Operation: 13-5=8 Moving to Node #0,0 Current State: 27:[8, 26, 8], Operations: ['13-5=8'] Exploring Operation: 8/8=1, Resulting Numbers: [26, 1] Generated Node #0,0,0: 27:[26, 1] Operation: 8/8=1 Moving to Node #0,0,0 Current State: 27:[26, 1], Operations: ['13-5=8', '8/8=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[5, 13, 8, 26], Operations: [] Exploring Operation: 13-5=8, Resulting Numbers: [8, 26, 8] Generated Node #0,0: 27:[8, 26, 8] Operation: 13-5=8 Moving to Node #0,0 Current State: 27:[8, 26, 8], Operations: ['13-5=8'] Exploring Operation: 8/8=1, Resulting Numbers: [26, 1] Generated Node #0,0,0: 27:[26, 1] Operation: 8/8=1 Moving to Node #0,0,0 Current State: 27:[26, 1], Operations: ['13-5=8', '8/8=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 32, 31, 16, 91 ]
30
[ "32/16=2", "91-31=60", "60/2=30" ]
Current State: 30:[32, 31, 16, 91], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [31, 91, 2] Generated Node #2: [31, 91, 2] from Operation: 32/16=2 Current State: 30:[31, 91, 2], Operations: ['32/16=2'] Exploring Operation: 91-31=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 91-31=60 Current State: 30:[2, 60], Operations: ['32/16=2', '91-31=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[32, 31, 16, 91], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [32, 16, 60] Generated Node #0,0: 30:[32, 16, 60] Operation: 91-31=60 Exploring Operation: 91-32=59, Resulting Numbers: [31, 16, 59] Generated Node #0,1: 30:[31, 16, 59] Operation: 91-32=59 Moving to Node #0,1 Current State: 30:[31, 16, 59], Operations: ['91-32=59'] Exploring Operation: 59-31=28, Resulting Numbers: [16, 28] Generated Node #0,1,0: 30:[16, 28] Operation: 59-31=28 Exploring Operation: 59-16=43, Resulting Numbers: [31, 43] Generated Node #0,1,1: 30:[31, 43] Operation: 59-16=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[16, 28], Operations: ['91-32=59', '59-31=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[31, 43], Operations: ['91-32=59', '59-16=43'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,30 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: 30:[32, 16, 60], Operations: ['91-31=60'] Exploring Operation: 60-16=44, Resulting Numbers: [32, 44] Generated Node #0,0,0: 30:[32, 44] Operation: 60-16=44 Exploring Operation: 60-32=28, Resulting Numbers: [16, 28] Generated Node #0,0,1: 30:[16, 28] Operation: 60-32=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[16, 28], Operations: ['91-31=60', '60-32=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[32, 44], Operations: ['91-31=60', '60-16=44'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 48, 3, 54, 10 ]
40
[ "48+10=58", "54/3=18", "58-18=40" ]
Current State: 40:[48, 3, 54, 10], Operations: [] Exploring Operation: 48+10=58, Resulting Numbers: [3, 54, 58] Generated Node #2: [3, 54, 58] from Operation: 48+10=58 Current State: 40:[3, 54, 58], Operations: ['48+10=58'] Exploring Operation: 54/3=18, Resulting Numbers: [58, 18] Generated Node #3: [58, 18] from Operation: 54/3=18 Current State: 40:[58, 18], Operations: ['48+10=58', '54/3=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[48, 3, 54, 10], Operations: [] Exploring Operation: 48-10=38, Resulting Numbers: [3, 54, 38] Generated Node #0,0: 40:[3, 54, 38] Operation: 48-10=38 Exploring Operation: 54-48=6, Resulting Numbers: [3, 10, 6] Generated Node #0,1: 40:[3, 10, 6] Operation: 54-48=6 Exploring Operation: 54-10=44, Resulting Numbers: [48, 3, 44] Generated Node #0,2: 40:[48, 3, 44] Operation: 54-10=44 Exploring Operation: 54/3=18, Resulting Numbers: [48, 10, 18] Generated Node #0,3: 40:[48, 10, 18] Operation: 54/3=18 Moving to Node #0,1 Current State: 40:[3, 10, 6], Operations: ['54-48=6'] Exploring Operation: 6/3=2, Resulting Numbers: [10, 2] Generated Node #0,1,0: 40:[10, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 40:[10, 3] Operation: 6-3=3 Exploring Operation: 3+6=9, Resulting Numbers: [10, 9] Generated Node #0,1,2: 40:[10, 9] Operation: 3+6=9 Exploring Operation: 10-6=4, Resulting Numbers: [3, 4] Generated Node #0,1,3: 40:[3, 4] Operation: 10-6=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[10, 2], Operations: ['54-48=6', '6/3=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[10, 3], Operations: ['54-48=6', '6-3=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[10, 9], Operations: ['54-48=6', '3+6=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,40 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,40 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 40:[3, 4], Operations: ['54-48=6', '10-6=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,40 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: 40:[48, 10, 18], Operations: ['54/3=18'] Exploring Operation: 10+18=28, Resulting Numbers: [48, 28] Generated Node #0,3,0: 40:[48, 28] Operation: 10+18=28 Exploring Operation: 48-10=38, Resulting Numbers: [18, 38] Generated Node #0,3,1: 40:[18, 38] Operation: 48-10=38 Exploring Operation: 48-18=30, Resulting Numbers: [10, 30] Generated Node #0,3,2: 40:[10, 30] Operation: 48-18=30 Exploring Operation: 18-10=8, Resulting Numbers: [48, 8] Generated Node #0,3,3: 40:[48, 8] Operation: 18-10=8 Moving to Node #0,2 Current State: 40:[48, 3, 44], Operations: ['54-10=44'] Exploring Operation: 48/3=16, Resulting Numbers: [44, 16] Generated Node #0,2,0: 40:[44, 16] Operation: 48/3=16 Exploring Operation: 48-44=4, Resulting Numbers: [3, 4] Generated Node #0,2,1: 40:[3, 4] Operation: 48-44=4 Exploring Operation: 44-3=41, Resulting Numbers: [48, 41] Generated Node #0,2,2: 40:[48, 41] Operation: 44-3=41 Exploring Operation: 48-3=45, Resulting Numbers: [44, 45] Generated Node #0,2,3: 40:[44, 45] Operation: 48-3=45 Moving to Node #0,0 Current State: 40:[3, 54, 38], Operations: ['48-10=38'] Exploring Operation: 54/3=18, Resulting Numbers: [38, 18] Generated Node #0,0,0: 40:[38, 18] Operation: 54/3=18 Exploring Operation: 3+38=41, Resulting Numbers: [54, 41] Generated Node #0,0,1: 40:[54, 41] Operation: 3+38=41 Exploring Operation: 54-3=51, Resulting Numbers: [38, 51] Generated Node #0,0,2: 40:[38, 51] Operation: 54-3=51 Exploring Operation: 54-38=16, Resulting Numbers: [3, 16] Generated Node #0,0,3: 40:[3, 16] Operation: 54-38=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[38, 18], Operations: ['48-10=38', '54/3=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,40 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 40:[3, 16], Operations: ['48-10=38', '54-38=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,40 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 40:[38, 51], Operations: ['48-10=38', '54-3=51'] Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 38*51=1938, Resulting Numbers: [1938] 1938,40 unequal: No Solution Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[54, 41], Operations: ['48-10=38', '3+38=41'] Exploring Operation: 54-41=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 54*41=2214, Resulting Numbers: [2214] 2214,40 unequal: No Solution Exploring Operation: 54+41=95, Resulting Numbers: [95] 95,40 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: 40:[3, 4], Operations: ['54-10=44', '48-44=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,3,1 Current State: 40:[18, 38], Operations: ['54/3=18', '48-10=38'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,40 unequal: No Solution Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[44, 16], Operations: ['54-10=44', '48/3=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,40 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[48, 8], Operations: ['54/3=18', '18-10=8'] Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,40 unequal: No Solution Exploring Operation: 48*8=384, Resulting Numbers: [384] 384,40 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[48, 3, 54, 10], Operations: [] Exploring Operation: 54/3=18, Resulting Numbers: [48, 10, 18] Generated Node #0,3: 40:[48, 10, 18] Operation: 54/3=18 Moving to Node #0,3 Current State: 40:[48, 10, 18], Operations: ['54/3=18'] Exploring Operation: 18-10=8, Resulting Numbers: [48, 8] Generated Node #0,3,3: 40:[48, 8] Operation: 18-10=8 Moving to Node #0,3,3 Current State: 40:[48, 8], Operations: ['54/3=18', '18-10=8'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.946181
hs_4
mult_heuristic
[ 32, 68, 85, 7 ]
87
[ "85-68=17", "7*17=119", "119-32=87" ]
Current State: 87:[32, 68, 85, 7], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [32, 7, 17] Generated Node #2: [32, 7, 17] from Operation: 85-68=17 Current State: 87:[32, 7, 17], Operations: ['85-68=17'] Exploring Operation: 7*17=119, Resulting Numbers: [32, 119] Generated Node #3: [32, 119] from Operation: 7*17=119 Current State: 87:[32, 119], Operations: ['85-68=17', '7*17=119'] Exploring Operation: 119-32=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[32, 68, 85, 7], Operations: [] Exploring Operation: 68+7=75, Resulting Numbers: [32, 85, 75] Generated Node #0,0: 87:[32, 85, 75] Operation: 68+7=75 Exploring Operation: 68-32=36, Resulting Numbers: [85, 7, 36] Generated Node #0,1: 87:[85, 7, 36] Operation: 68-32=36 Exploring Operation: 85-68=17, Resulting Numbers: [32, 7, 17] Generated Node #0,2: 87:[32, 7, 17] Operation: 85-68=17 Exploring Operation: 32+68=100, Resulting Numbers: [85, 7, 100] Generated Node #0,3: 87:[85, 7, 100] Operation: 32+68=100 Moving to Node #0,1 Current State: 87:[85, 7, 36], Operations: ['68-32=36'] Exploring Operation: 85+7=92, Resulting Numbers: [36, 92] Generated Node #0,1,0: 87:[36, 92] Operation: 85+7=92 Exploring Operation: 36-7=29, Resulting Numbers: [85, 29] Generated Node #0,1,1: 87:[85, 29] Operation: 36-7=29 Exploring Operation: 85-7=78, Resulting Numbers: [36, 78] Generated Node #0,1,2: 87:[36, 78] Operation: 85-7=78 Exploring Operation: 7+36=43, Resulting Numbers: [85, 43] Generated Node #0,1,3: 87:[85, 43] Operation: 7+36=43 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[85, 29], Operations: ['68-32=36', '36-7=29'] Exploring Operation: 85+29=114, Resulting Numbers: [114] 114,87 unequal: No Solution Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 85*29=2465, Resulting Numbers: [2465] 2465,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[36, 92], Operations: ['68-32=36', '85+7=92'] Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 36+92=128, Resulting Numbers: [128] 128,87 unequal: No Solution Exploring Operation: 36*92=3312, Resulting Numbers: [3312] 3312,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[36, 78], Operations: ['68-32=36', '85-7=78'] Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,87 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 87:[85, 43], Operations: ['68-32=36', '7+36=43'] Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,87 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 87:[32, 85, 75], Operations: ['68+7=75'] Exploring Operation: 85-32=53, Resulting Numbers: [75, 53] Generated Node #0,0,0: 87:[75, 53] Operation: 85-32=53 Exploring Operation: 32+75=107, Resulting Numbers: [85, 107] Generated Node #0,0,1: 87:[85, 107] Operation: 32+75=107 Exploring Operation: 85-75=10, Resulting Numbers: [32, 10] Generated Node #0,0,2: 87:[32, 10] Operation: 85-75=10 Exploring Operation: 75-32=43, Resulting Numbers: [85, 43] Generated Node #0,0,3: 87:[85, 43] Operation: 75-32=43 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[32, 10], Operations: ['68+7=75', '85-75=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 87:[85, 43], Operations: ['68+7=75', '75-32=43'] Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,87 unequal: No Solution Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[85, 107], Operations: ['68+7=75', '32+75=107'] Exploring Operation: 85*107=9095, Resulting Numbers: [9095] 9095,87 unequal: No Solution Exploring Operation: 85+107=192, Resulting Numbers: [192] 192,87 unequal: No Solution Exploring Operation: 107-85=22, Resulting Numbers: [22] 22,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[75, 53], Operations: ['68+7=75', '85-32=53'] Exploring Operation: 75*53=3975, Resulting Numbers: [3975] 3975,87 unequal: No Solution Exploring Operation: 75+53=128, Resulting Numbers: [128] 128,87 unequal: No Solution Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,87 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: 87:[85, 7, 100], Operations: ['32+68=100'] Exploring Operation: 100-85=15, Resulting Numbers: [7, 15] Generated Node #0,3,0: 87:[7, 15] Operation: 100-85=15 Exploring Operation: 85-7=78, Resulting Numbers: [100, 78] Generated Node #0,3,1: 87:[100, 78] Operation: 85-7=78 Exploring Operation: 85+7=92, Resulting Numbers: [100, 92] Generated Node #0,3,2: 87:[100, 92] Operation: 85+7=92 Exploring Operation: 100-7=93, Resulting Numbers: [85, 93] Generated Node #0,3,3: 87:[85, 93] Operation: 100-7=93 Moving to Node #0,2 Current State: 87:[32, 7, 17], Operations: ['85-68=17'] Exploring Operation: 7+17=24, Resulting Numbers: [32, 24] Generated Node #0,2,0: 87:[32, 24] Operation: 7+17=24 Exploring Operation: 17-7=10, Resulting Numbers: [32, 10] Generated Node #0,2,1: 87:[32, 10] Operation: 17-7=10 Exploring Operation: 32-17=15, Resulting Numbers: [7, 15] Generated Node #0,2,2: 87:[7, 15] Operation: 32-17=15 Exploring Operation: 32-7=25, Resulting Numbers: [17, 25] Generated Node #0,2,3: 87:[17, 25] Operation: 32-7=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[32, 24], Operations: ['85-68=17', '7+17=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[32, 10], Operations: ['85-68=17', '17-7=10'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[7, 15], Operations: ['85-68=17', '32-17=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,87 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[17, 25], Operations: ['85-68=17', '32-7=25'] Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,87 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 87:[85, 93], Operations: ['32+68=100', '100-7=93'] Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,87 unequal: No Solution Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[7, 15], Operations: ['32+68=100', '100-85=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[100, 92], Operations: ['32+68=100', '85+7=92'] Exploring Operation: 100-92=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 100+92=192, Resulting Numbers: [192] 192,87 unequal: No Solution Exploring Operation: 100*92=9200, Resulting Numbers: [9200] 9200,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[100, 78], Operations: ['32+68=100', '85-7=78'] Exploring Operation: 100+78=178, Resulting Numbers: [178] 178,87 unequal: No Solution Exploring Operation: 100*78=7800, Resulting Numbers: [7800] 7800,87 unequal: No Solution Exploring Operation: 100-78=22, Resulting Numbers: [22] 22,87 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 32, 63, 9, 2 ]
19
[ "32+9=41", "2*41=82", "82-63=19" ]
Current State: 19:[32, 63, 9, 2], Operations: [] Exploring Operation: 32+9=41, Resulting Numbers: [63, 2, 41] Generated Node #2: [63, 2, 41] from Operation: 32+9=41 Current State: 19:[63, 2, 41], Operations: ['32+9=41'] Exploring Operation: 2*41=82, Resulting Numbers: [63, 82] Generated Node #3: [63, 82] from Operation: 2*41=82 Current State: 19:[63, 82], Operations: ['32+9=41', '2*41=82'] Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[32, 63, 9, 2], Operations: [] Exploring Operation: 32/2=16, Resulting Numbers: [63, 9, 16] Generated Node #0,0: 19:[63, 9, 16] Operation: 32/2=16 Exploring Operation: 63/9=7, Resulting Numbers: [32, 2, 7] Generated Node #0,1: 19:[32, 2, 7] Operation: 63/9=7 Exploring Operation: 63-32=31, Resulting Numbers: [9, 2, 31] Generated Node #0,2: 19:[9, 2, 31] Operation: 63-32=31 Moving to Node #0,2 Current State: 19:[9, 2, 31], Operations: ['63-32=31'] Exploring Operation: 9+2=11, Resulting Numbers: [31, 11] Generated Node #0,2,0: 19:[31, 11] Operation: 9+2=11 Exploring Operation: 31-9=22, Resulting Numbers: [2, 22] Generated Node #0,2,1: 19:[2, 22] Operation: 31-9=22 Exploring Operation: 9*2=18, Resulting Numbers: [31, 18] Generated Node #0,2,2: 19:[31, 18] Operation: 9*2=18 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[31, 18], Operations: ['63-32=31', '9*2=18'] Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[31, 11], Operations: ['63-32=31', '9+2=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[2, 22], Operations: ['63-32=31', '31-9=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,19 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: 19:[32, 2, 7], Operations: ['63/9=7'] Exploring Operation: 32/2=16, Resulting Numbers: [7, 16] Generated Node #0,1,0: 19:[7, 16] Operation: 32/2=16 Exploring Operation: 2*7=14, Resulting Numbers: [32, 14] Generated Node #0,1,1: 19:[32, 14] Operation: 2*7=14 Exploring Operation: 32-2=30, Resulting Numbers: [7, 30] Generated Node #0,1,2: 19:[7, 30] Operation: 32-2=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[7, 16], Operations: ['63/9=7', '32/2=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,19 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[32, 14], Operations: ['63/9=7', '2*7=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[7, 30], Operations: ['63/9=7', '32-2=30'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,19 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: 19:[63, 9, 16], Operations: ['32/2=16'] Exploring Operation: 63-16=47, Resulting Numbers: [9, 47] Generated Node #0,0,0: 19:[9, 47] Operation: 63-16=47 Exploring Operation: 63-9=54, Resulting Numbers: [16, 54] Generated Node #0,0,1: 19:[16, 54] Operation: 63-9=54 Exploring Operation: 63/9=7, Resulting Numbers: [16, 7] Generated Node #0,0,2: 19:[16, 7] Operation: 63/9=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[16, 7], Operations: ['32/2=16', '63/9=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[9, 47], Operations: ['32/2=16', '63-16=47'] Exploring Operation: 9*47=423, Resulting Numbers: [423] 423,19 unequal: No Solution Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[16, 54], Operations: ['32/2=16', '63-9=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,19 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
[ 14, 52, 21, 3 ]
29
[ "14+52=66", "21+66=87", "87/3=29" ]
Current State: 29:[14, 52, 21, 3], Operations: [] Exploring Operation: 14+52=66, Resulting Numbers: [21, 3, 66] Generated Node #2: [21, 3, 66] from Operation: 14+52=66 Current State: 29:[21, 3, 66], Operations: ['14+52=66'] Exploring Operation: 21+66=87, Resulting Numbers: [3, 87] Generated Node #3: [3, 87] from Operation: 21+66=87 Current State: 29:[3, 87], Operations: ['14+52=66', '21+66=87'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[14, 52, 21, 3], Operations: [] Exploring Operation: 14+3=17, Resulting Numbers: [52, 21, 17] Generated Node #0,0: 29:[52, 21, 17] Operation: 14+3=17 Exploring Operation: 52-14=38, Resulting Numbers: [21, 3, 38] Generated Node #0,1: 29:[21, 3, 38] Operation: 52-14=38 Moving to Node #0,0 Current State: 29:[52, 21, 17], Operations: ['14+3=17'] Exploring Operation: 52-21=31, Resulting Numbers: [17, 31] Generated Node #0,0,0: 29:[17, 31] Operation: 52-21=31 Exploring Operation: 52-17=35, Resulting Numbers: [21, 35] Generated Node #0,0,1: 29:[21, 35] Operation: 52-17=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[17, 31], Operations: ['14+3=17', '52-21=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,29 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 #0,0,1 Current State: 29:[21, 35], Operations: ['14+3=17', '52-17=35'] Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,29 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: 29:[21, 3, 38], Operations: ['52-14=38'] Exploring Operation: 38-3=35, Resulting Numbers: [21, 35] Generated Node #0,1,0: 29:[21, 35] Operation: 38-3=35 Exploring Operation: 21+3=24, Resulting Numbers: [38, 24] Generated Node #0,1,1: 29:[38, 24] Operation: 21+3=24 Moving to Node #0,1,0 Current State: 29:[21, 35], Operations: ['52-14=38', '38-3=35'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[38, 24], Operations: ['52-14=38', '21+3=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 61, 81, 36, 16 ]
25
[ "81*16=1296", "1296/36=36", "61-36=25" ]
Current State: 25:[61, 81, 36, 16], Operations: [] Exploring Operation: 81*16=1296, Resulting Numbers: [61, 36, 1296] Generated Node #2: [61, 36, 1296] from Operation: 81*16=1296 Current State: 25:[61, 36, 1296], Operations: ['81*16=1296'] Exploring Operation: 1296/36=36, Resulting Numbers: [61, 36] Generated Node #3: [61, 36] from Operation: 1296/36=36 Current State: 25:[61, 36], Operations: ['81*16=1296', '1296/36=36'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[61, 81, 36, 16], Operations: [] Exploring Operation: 81-16=65, Resulting Numbers: [61, 36, 65] Generated Node #0,0: 25:[61, 36, 65] Operation: 81-16=65 Exploring Operation: 61-36=25, Resulting Numbers: [81, 16, 25] Generated Node #0,1: 25:[81, 16, 25] Operation: 61-36=25 Exploring Operation: 61-16=45, Resulting Numbers: [81, 36, 45] Generated Node #0,2: 25:[81, 36, 45] Operation: 61-16=45 Exploring Operation: 81-36=45, Resulting Numbers: [61, 16, 45] Generated Node #0,3: 25:[61, 16, 45] Operation: 81-36=45 Exploring Operation: 81-61=20, Resulting Numbers: [36, 16, 20] Generated Node #0,4: 25:[36, 16, 20] Operation: 81-61=20 Moving to Node #0,4 Current State: 25:[36, 16, 20], Operations: ['81-61=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16, 16] Generated Node #0,4,0: 25:[16, 16] Operation: 36-20=16 Exploring Operation: 36-16=20, Resulting Numbers: [20, 20] Generated Node #0,4,1: 25:[20, 20] Operation: 36-16=20 Exploring Operation: 20-16=4, Resulting Numbers: [36, 4] Generated Node #0,4,2: 25:[36, 4] Operation: 20-16=4 Exploring Operation: 36+16=52, Resulting Numbers: [20, 52] Generated Node #0,4,3: 25:[20, 52] Operation: 36+16=52 Exploring Operation: 16+20=36, Resulting Numbers: [36, 36] Generated Node #0,4,4: 25:[36, 36] Operation: 16+20=36 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[20, 20], Operations: ['81-61=20', '36-16=20'] Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,25 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 #0,4,2 Current State: 25:[36, 4], Operations: ['81-61=20', '20-16=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,25 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 #0,4,0 Current State: 25:[16, 16], Operations: ['81-61=20', '36-20=16'] Exploring Operation: 16*16=256, Resulting Numbers: [256] 256,25 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,25 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 #0,4,4 Current State: 25:[36, 36], Operations: ['81-61=20', '16+20=36'] Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,25 unequal: No Solution Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,25 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 #0,4,3 Current State: 25:[20, 52], Operations: ['81-61=20', '36+16=52'] Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,25 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:[61, 16, 45], Operations: ['81-36=45'] Exploring Operation: 61-16=45, Resulting Numbers: [45, 45] Generated Node #0,3,0: 25:[45, 45] Operation: 61-16=45 Exploring Operation: 45-16=29, Resulting Numbers: [61, 29] Generated Node #0,3,1: 25:[61, 29] Operation: 45-16=29 Exploring Operation: 61+16=77, Resulting Numbers: [45, 77] Generated Node #0,3,2: 25:[45, 77] Operation: 61+16=77 Exploring Operation: 61-45=16, Resulting Numbers: [16, 16] Generated Node #0,3,3: 25:[16, 16] Operation: 61-45=16 Exploring Operation: 16+45=61, Resulting Numbers: [61, 61] Generated Node #0,3,4: 25:[61, 61] Operation: 16+45=61 Moving to Node #0,1 Current State: 25:[81, 16, 25], Operations: ['61-36=25'] Exploring Operation: 25-16=9, Resulting Numbers: [81, 9] Generated Node #0,1,0: 25:[81, 9] Operation: 25-16=9 Exploring Operation: 16+25=41, Resulting Numbers: [81, 41] Generated Node #0,1,1: 25:[81, 41] Operation: 16+25=41 Exploring Operation: 81-16=65, Resulting Numbers: [25, 65] Generated Node #0,1,2: 25:[25, 65] Operation: 81-16=65 Exploring Operation: 81-25=56, Resulting Numbers: [16, 56] Generated Node #0,1,3: 25:[16, 56] Operation: 81-25=56 Exploring Operation: 81+16=97, Resulting Numbers: [25, 97] Generated Node #0,1,4: 25:[25, 97] Operation: 81+16=97 Moving to Node #0,0 Current State: 25:[61, 36, 65], Operations: ['81-16=65'] Exploring Operation: 65-36=29, Resulting Numbers: [61, 29] Generated Node #0,0,0: 25:[61, 29] Operation: 65-36=29 Exploring Operation: 65-61=4, Resulting Numbers: [36, 4] Generated Node #0,0,1: 25:[36, 4] Operation: 65-61=4 Exploring Operation: 61-36=25, Resulting Numbers: [65, 25] Generated Node #0,0,2: 25:[65, 25] Operation: 61-36=25 Exploring Operation: 61+36=97, Resulting Numbers: [65, 97] Generated Node #0,0,3: 25:[65, 97] Operation: 61+36=97 Exploring Operation: 61+65=126, Resulting Numbers: [36, 126] Generated Node #0,0,4: 25:[36, 126] Operation: 61+65=126 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[36, 4], Operations: ['81-16=65', '65-61=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[61, 29], Operations: ['81-16=65', '65-36=29'] Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[65, 25], Operations: ['81-16=65', '61-36=25'] Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,25 unequal: No Solution Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[65, 97], Operations: ['81-16=65', '61+36=97'] Exploring Operation: 65*97=6305, Resulting Numbers: [6305] 6305,25 unequal: No Solution Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 65+97=162, Resulting Numbers: [162] 162,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 25:[36, 126], Operations: ['81-16=65', '61+65=126'] Exploring Operation: 126-36=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 36*126=4536, Resulting Numbers: [4536] 4536,25 unequal: No Solution Exploring Operation: 36+126=162, Resulting Numbers: [162] 162,25 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: 25:[81, 36, 45], Operations: ['61-16=45'] Exploring Operation: 81+45=126, Resulting Numbers: [36, 126] Generated Node #0,2,0: 25:[36, 126] Operation: 81+45=126 Exploring Operation: 81-36=45, Resulting Numbers: [45, 45] Generated Node #0,2,1: 25:[45, 45] Operation: 81-36=45 Exploring Operation: 81+36=117, Resulting Numbers: [45, 117] Generated Node #0,2,2: 25:[45, 117] Operation: 81+36=117 Exploring Operation: 81-45=36, Resulting Numbers: [36, 36] Generated Node #0,2,3: 25:[36, 36] Operation: 81-45=36 Exploring Operation: 45-36=9, Resulting Numbers: [81, 9] Generated Node #0,2,4: 25:[81, 9] Operation: 45-36=9 Moving to Node #0,3,3 Current State: 25:[16, 16], Operations: ['81-36=45', '61-45=16'] Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 16*16=256, Resulting Numbers: [256] 256,25 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[36, 36], Operations: ['61-16=45', '81-45=36'] Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,25 unequal: No Solution Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[61, 29], Operations: ['81-36=45', '45-16=29'] Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[16, 56], Operations: ['61-36=25', '81-25=56'] Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,25 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[25, 65], Operations: ['61-36=25', '81-16=65'] Exploring Operation: 25*65=1625, Resulting Numbers: [1625] 1625,25 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 25+65=90, Resulting Numbers: [90] 90,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[45, 45], Operations: ['61-16=45', '81-36=45'] Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,25 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[45, 45], Operations: ['81-36=45', '61-16=45'] Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[81, 9], Operations: ['61-16=45', '45-36=9'] Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,25 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[81, 9], Operations: ['61-36=25', '25-16=9'] Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,25 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[25, 97], Operations: ['61-36=25', '81+16=97'] Exploring Operation: 97-25=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 25+97=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 25*97=2425, Resulting Numbers: [2425] 2425,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[61, 61], Operations: ['81-36=45', '16+45=61'] Exploring Operation: 61+61=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 61-61=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 61/61=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 61*61=3721, Resulting Numbers: [3721] 3721,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[45, 77], Operations: ['81-36=45', '61+16=77'] Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 45*77=3465, Resulting Numbers: [3465] 3465,25 unequal: No Solution Exploring Operation: 45+77=122, Resulting Numbers: [122] 122,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[81, 41], Operations: ['61-36=25', '16+25=41'] Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 81*41=3321, Resulting Numbers: [3321] 3321,25 unequal: No Solution Exploring Operation: 81+41=122, Resulting Numbers: [122] 122,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[36, 126], Operations: ['61-16=45', '81+45=126'] Exploring Operation: 36*126=4536, Resulting Numbers: [4536] 4536,25 unequal: No Solution Exploring Operation: 126-36=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 36+126=162, Resulting Numbers: [162] 162,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[45, 117], Operations: ['61-16=45', '81+36=117'] Exploring Operation: 45*117=5265, Resulting Numbers: [5265] 5265,25 unequal: No Solution Exploring Operation: 117-45=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 45+117=162, Resulting Numbers: [162] 162,25 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 96, 10, 65, 21 ]
49
[ "96+65=161", "10*21=210", "210-161=49" ]
Current State: 49:[96, 10, 65, 21], Operations: [] Exploring Operation: 96+65=161, Resulting Numbers: [10, 21, 161] Generated Node #2: [10, 21, 161] from Operation: 96+65=161 Current State: 49:[10, 21, 161], Operations: ['96+65=161'] Exploring Operation: 10*21=210, Resulting Numbers: [161, 210] Generated Node #3: [161, 210] from Operation: 10*21=210 Current State: 49:[161, 210], Operations: ['96+65=161', '10*21=210'] Exploring Operation: 210-161=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[96, 10, 65, 21], Operations: [] Exploring Operation: 96-65=31, Resulting Numbers: [10, 21, 31] Generated Node #0,0: 49:[10, 21, 31] Operation: 96-65=31 Exploring Operation: 96-21=75, Resulting Numbers: [10, 65, 75] Generated Node #0,1: 49:[10, 65, 75] Operation: 96-21=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[10, 21, 31], Operations: ['96-65=31'] Exploring Operation: 21+31=52, Resulting Numbers: [10, 52] Generated Node #0,0,0: 49:[10, 52] Operation: 21+31=52 Exploring Operation: 31-21=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 49:[10, 10] Operation: 31-21=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[10, 52], Operations: ['96-65=31', '21+31=52'] Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,49 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:[10, 10], Operations: ['96-65=31', '31-21=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,49 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:[10, 65, 75], Operations: ['96-21=75'] Exploring Operation: 65-10=55, Resulting Numbers: [75, 55] Generated Node #0,1,0: 49:[75, 55] Operation: 65-10=55 Exploring Operation: 75-65=10, Resulting Numbers: [10, 10] Generated Node #0,1,1: 49:[10, 10] Operation: 75-65=10 Moving to Node #0,1,1 Current State: 49:[10, 10], Operations: ['96-21=75', '75-65=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[75, 55], Operations: ['96-21=75', '65-10=55'] Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,49 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
[ 76, 68, 9, 6 ]
62
[ "76-68=8", "9*6=54", "8+54=62" ]
Current State: 62:[76, 68, 9, 6], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [9, 6, 8] Generated Node #2: [9, 6, 8] from Operation: 76-68=8 Current State: 62:[9, 6, 8], Operations: ['76-68=8'] Exploring Operation: 9*6=54, Resulting Numbers: [8, 54] Generated Node #3: [8, 54] from Operation: 9*6=54 Current State: 62:[8, 54], Operations: ['76-68=8', '9*6=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[76, 68, 9, 6], Operations: [] Exploring Operation: 76-9=67, Resulting Numbers: [68, 6, 67] Generated Node #0,0: 62:[68, 6, 67] Operation: 76-9=67 Exploring Operation: 76-6=70, Resulting Numbers: [68, 9, 70] Generated Node #0,1: 62:[68, 9, 70] Operation: 76-6=70 Exploring Operation: 76-68=8, Resulting Numbers: [9, 6, 8] Generated Node #0,2: 62:[9, 6, 8] Operation: 76-68=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[68, 6, 67], Operations: ['76-9=67'] Exploring Operation: 68-6=62, Resulting Numbers: [67, 62] Generated Node #0,0,0: 62:[67, 62] Operation: 68-6=62 Exploring Operation: 67-6=61, Resulting Numbers: [68, 61] Generated Node #0,0,1: 62:[68, 61] Operation: 67-6=61 Exploring Operation: 68-67=1, Resulting Numbers: [6, 1] Generated Node #0,0,2: 62:[6, 1] Operation: 68-67=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[67, 62], Operations: ['76-9=67', '68-6=62'] Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,62 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,62 unequal: No Solution No 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: 62:[6, 1], Operations: ['76-9=67', '68-67=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,62 unequal: No Solution No 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: 62:[68, 61], Operations: ['76-9=67', '67-6=61'] Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,62 unequal: No Solution Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[9, 6, 8], Operations: ['76-68=8'] Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,2,0: 62:[6, 1] Operation: 9-8=1 Exploring Operation: 9-6=3, Resulting Numbers: [8, 3] Generated Node #0,2,1: 62:[8, 3] Operation: 9-6=3 Exploring Operation: 8-6=2, Resulting Numbers: [9, 2] Generated Node #0,2,2: 62:[9, 2] Operation: 8-6=2 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[6, 1], Operations: ['76-68=8', '9-8=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,62 unequal: No Solution No 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: 62:[8, 3], Operations: ['76-68=8', '9-6=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,62 unequal: No Solution No 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: 62:[9, 2], Operations: ['76-68=8', '8-6=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[68, 9, 70], Operations: ['76-6=70'] Exploring Operation: 70-68=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 62:[9, 2] Operation: 70-68=2 Exploring Operation: 70-9=61, Resulting Numbers: [68, 61] Generated Node #0,1,1: 62:[68, 61] Operation: 70-9=61 Exploring Operation: 68-9=59, Resulting Numbers: [70, 59] Generated Node #0,1,2: 62:[70, 59] Operation: 68-9=59 Moving to Node #0,1,0 Current State: 62:[9, 2], Operations: ['76-6=70', '70-68=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[68, 61], Operations: ['76-6=70', '70-9=61'] Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,62 unequal: No Solution Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[70, 59], Operations: ['76-6=70', '68-9=59'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 70*59=4130, Resulting Numbers: [4130] 4130,62 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,62 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
[ 35, 39, 74, 34 ]
40
[ "39*34=1326", "74+1326=1400", "1400/35=40" ]
Current State: 40:[35, 39, 74, 34], Operations: [] Exploring Operation: 39*34=1326, Resulting Numbers: [35, 74, 1326] Generated Node #2: [35, 74, 1326] from Operation: 39*34=1326 Current State: 40:[35, 74, 1326], Operations: ['39*34=1326'] Exploring Operation: 74+1326=1400, Resulting Numbers: [35, 1400] Generated Node #3: [35, 1400] from Operation: 74+1326=1400 Current State: 40:[35, 1400], Operations: ['39*34=1326', '74+1326=1400'] Exploring Operation: 1400/35=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[35, 39, 74, 34], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [35, 39, 40] Generated Node #0,0: 40:[35, 39, 40] Operation: 74-34=40 Exploring Operation: 74-35=39, Resulting Numbers: [39, 34, 39] Generated Node #0,1: 40:[39, 34, 39] Operation: 74-35=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[35, 39, 40], Operations: ['74-34=40'] Exploring Operation: 39-35=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 40:[40, 4] Operation: 39-35=4 Exploring Operation: 40-35=5, Resulting Numbers: [39, 5] Generated Node #0,0,1: 40:[39, 5] Operation: 40-35=5 Moving to Node #0,0,0 Current State: 40:[40, 4], Operations: ['74-34=40', '39-35=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[39, 5], Operations: ['74-34=40', '40-35=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[39, 34, 39], Operations: ['74-35=39'] Exploring Operation: 39-34=5, Resulting Numbers: [39, 5] Generated Node #0,1,0: 40:[39, 5] Operation: 39-34=5 Exploring Operation: 39-34=5, Resulting Numbers: [39, 5] Generated Node #0,1,1: 40:[39, 5] Operation: 39-34=5 Moving to Node #0,1,0 Current State: 40:[39, 5], Operations: ['74-35=39', '39-34=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[39, 5], Operations: ['74-35=39', '39-34=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,40 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
[ 1, 28, 81, 56 ]
78
[ "81-1=80", "56/28=2", "80-2=78" ]
Current State: 78:[1, 28, 81, 56], Operations: [] Exploring Operation: 81-1=80, Resulting Numbers: [28, 56, 80] Generated Node #2: [28, 56, 80] from Operation: 81-1=80 Current State: 78:[28, 56, 80], Operations: ['81-1=80'] Exploring Operation: 56/28=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 56/28=2 Current State: 78:[80, 2], Operations: ['81-1=80', '56/28=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[1, 28, 81, 56], Operations: [] Exploring Operation: 56-28=28, Resulting Numbers: [1, 81, 28] Generated Node #0,0: 78:[1, 81, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [1, 81, 2] Generated Node #0,1: 78:[1, 81, 2] Operation: 56/28=2 Exploring Operation: 81-56=25, Resulting Numbers: [1, 28, 25] Generated Node #0,2: 78:[1, 28, 25] Operation: 81-56=25 Moving to Node #0,1 Current State: 78:[1, 81, 2], Operations: ['56/28=2'] Exploring Operation: 81-2=79, Resulting Numbers: [1, 79] Generated Node #0,1,0: 78:[1, 79] Operation: 81-2=79 Exploring Operation: 81-1=80, Resulting Numbers: [2, 80] Generated Node #0,1,1: 78:[2, 80] Operation: 81-1=80 Exploring Operation: 1*81=81, Resulting Numbers: [2, 81] Generated Node #0,1,2: 78:[2, 81] Operation: 1*81=81 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[1, 79], Operations: ['56/28=2', '81-2=79'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[1, 28, 81, 56], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [1, 81, 2] Generated Node #0,1: 78:[1, 81, 2] Operation: 56/28=2 Moving to Node #0,1 Current State: 78:[1, 81, 2], Operations: ['56/28=2'] Exploring Operation: 81-2=79, Resulting Numbers: [1, 79] Generated Node #0,1,0: 78:[1, 79] Operation: 81-2=79 Moving to Node #0,1,0 Current State: 78:[1, 79], Operations: ['56/28=2', '81-2=79'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 5, 77, 30, 25 ]
55
[ "5+30=35", "77*25=1925", "1925/35=55" ]
Current State: 55:[5, 77, 30, 25], Operations: [] Exploring Operation: 5+30=35, Resulting Numbers: [77, 25, 35] Generated Node #2: [77, 25, 35] from Operation: 5+30=35 Current State: 55:[77, 25, 35], Operations: ['5+30=35'] Exploring Operation: 77*25=1925, Resulting Numbers: [35, 1925] Generated Node #3: [35, 1925] from Operation: 77*25=1925 Current State: 55:[35, 1925], Operations: ['5+30=35', '77*25=1925'] Exploring Operation: 1925/35=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[5, 77, 30, 25], Operations: [] Exploring Operation: 77-30=47, Resulting Numbers: [5, 25, 47] Generated Node #0,0: 55:[5, 25, 47] Operation: 77-30=47 Exploring Operation: 77-25=52, Resulting Numbers: [5, 30, 52] Generated Node #0,1: 55:[5, 30, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[5, 25, 47], Operations: ['77-30=47'] Exploring Operation: 25/5=5, Resulting Numbers: [47, 5] Generated Node #0,0,0: 55:[47, 5] Operation: 25/5=5 Exploring Operation: 47-25=22, Resulting Numbers: [5, 22] Generated Node #0,0,1: 55:[5, 22] Operation: 47-25=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[47, 5], Operations: ['77-30=47', '25/5=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[5, 22], Operations: ['77-30=47', '47-25=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[5, 30, 52], Operations: ['77-25=52'] Exploring Operation: 52-30=22, Resulting Numbers: [5, 22] Generated Node #0,1,0: 55:[5, 22] Operation: 52-30=22 Exploring Operation: 30/5=6, Resulting Numbers: [52, 6] Generated Node #0,1,1: 55:[52, 6] Operation: 30/5=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[52, 6], Operations: ['77-25=52', '30/5=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[5, 22], Operations: ['77-25=52', '52-30=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 82, 12, 41, 29 ]
81
[ "41-12=29", "29/29=1", "82-1=81" ]
Current State: 81:[82, 12, 41, 29], Operations: [] Exploring Operation: 41-12=29, Resulting Numbers: [82, 29, 29] Generated Node #2: [82, 29, 29] from Operation: 41-12=29 Current State: 81:[82, 29, 29], Operations: ['41-12=29'] Exploring Operation: 29/29=1, Resulting Numbers: [82, 1] Generated Node #3: [82, 1] from Operation: 29/29=1 Current State: 81:[82, 1], Operations: ['41-12=29', '29/29=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[82, 12, 41, 29], Operations: [] Exploring Operation: 41+29=70, Resulting Numbers: [82, 12, 70] Generated Node #0,0: 81:[82, 12, 70] Operation: 41+29=70 Exploring Operation: 82/41=2, Resulting Numbers: [12, 29, 2] Generated Node #0,1: 81:[12, 29, 2] Operation: 82/41=2 Exploring Operation: 41-29=12, Resulting Numbers: [82, 12, 12] Generated Node #0,2: 81:[82, 12, 12] Operation: 41-29=12 Exploring Operation: 41-12=29, Resulting Numbers: [82, 29, 29] Generated Node #0,3: 81:[82, 29, 29] Operation: 41-12=29 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[82, 29, 29], Operations: ['41-12=29'] Exploring Operation: 29-29=0, Resulting Numbers: [82, 0] Generated Node #0,3,0: 81:[82, 0] Operation: 29-29=0 Exploring Operation: 29/29=1, Resulting Numbers: [82, 1] Generated Node #0,3,1: 81:[82, 1] Operation: 29/29=1 Exploring Operation: 29+29=58, Resulting Numbers: [82, 58] Generated Node #0,3,2: 81:[82, 58] Operation: 29+29=58 Exploring Operation: 82-29=53, Resulting Numbers: [29, 53] Generated Node #0,3,3: 81:[29, 53] Operation: 82-29=53 Moving to Node #0,3,1 Current State: 81:[82, 1], Operations: ['41-12=29', '29/29=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[82, 12, 41, 29], Operations: [] Exploring Operation: 41-12=29, Resulting Numbers: [82, 29, 29] Generated Node #0,3: 81:[82, 29, 29] Operation: 41-12=29 Moving to Node #0,3 Current State: 81:[82, 29, 29], Operations: ['41-12=29'] Exploring Operation: 29/29=1, Resulting Numbers: [82, 1] Generated Node #0,3,1: 81:[82, 1] Operation: 29/29=1 Moving to Node #0,3,1 Current State: 81:[82, 1], Operations: ['41-12=29', '29/29=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 84, 30, 27, 24 ]
36
[ "84+24=108", "30-27=3", "108/3=36" ]
Current State: 36:[84, 30, 27, 24], Operations: [] Exploring Operation: 84+24=108, Resulting Numbers: [30, 27, 108] Generated Node #2: [30, 27, 108] from Operation: 84+24=108 Current State: 36:[30, 27, 108], Operations: ['84+24=108'] Exploring Operation: 30-27=3, Resulting Numbers: [108, 3] Generated Node #3: [108, 3] from Operation: 30-27=3 Current State: 36:[108, 3], Operations: ['84+24=108', '30-27=3'] Exploring Operation: 108/3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[84, 30, 27, 24], Operations: [] Exploring Operation: 84-24=60, Resulting Numbers: [30, 27, 60] Generated Node #0,0: 36:[30, 27, 60] Operation: 84-24=60 Exploring Operation: 27-24=3, Resulting Numbers: [84, 30, 3] Generated Node #0,1: 36:[84, 30, 3] Operation: 27-24=3 Exploring Operation: 84-27=57, Resulting Numbers: [30, 24, 57] Generated Node #0,2: 36:[30, 24, 57] Operation: 84-27=57 Exploring Operation: 84-30=54, Resulting Numbers: [27, 24, 54] Generated Node #0,3: 36:[27, 24, 54] Operation: 84-30=54 Exploring Operation: 30-27=3, Resulting Numbers: [84, 24, 3] Generated Node #0,4: 36:[84, 24, 3] Operation: 30-27=3 Moving to Node #0,2 Current State: 36:[30, 24, 57], Operations: ['84-27=57'] Exploring Operation: 30-24=6, Resulting Numbers: [57, 6] Generated Node #0,2,0: 36:[57, 6] Operation: 30-24=6 Exploring Operation: 57-30=27, Resulting Numbers: [24, 27] Generated Node #0,2,1: 36:[24, 27] Operation: 57-30=27 Exploring Operation: 57-24=33, Resulting Numbers: [30, 33] Generated Node #0,2,2: 36:[30, 33] Operation: 57-24=33 Exploring Operation: 30+24=54, Resulting Numbers: [57, 54] Generated Node #0,2,3: 36:[57, 54] Operation: 30+24=54 Exploring Operation: 24+57=81, Resulting Numbers: [30, 81] Generated Node #0,2,4: 36:[30, 81] Operation: 24+57=81 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[30, 33], Operations: ['84-27=57', '57-24=33'] Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,36 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[24, 27], Operations: ['84-27=57', '57-30=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,36 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[57, 6], Operations: ['84-27=57', '30-24=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,36 unequal: No Solution Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 36:[57, 54], Operations: ['84-27=57', '30+24=54'] Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 57+54=111, Resulting Numbers: [111] 111,36 unequal: No Solution Exploring Operation: 57*54=3078, Resulting Numbers: [3078] 3078,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 36:[30, 81], Operations: ['84-27=57', '24+57=81'] Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,36 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,36 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,36 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: 36:[27, 24, 54], Operations: ['84-30=54'] Exploring Operation: 54-24=30, Resulting Numbers: [27, 30] Generated Node #0,3,0: 36:[27, 30] Operation: 54-24=30 Exploring Operation: 27-24=3, Resulting Numbers: [54, 3] Generated Node #0,3,1: 36:[54, 3] Operation: 27-24=3 Exploring Operation: 54/27=2, Resulting Numbers: [24, 2] Generated Node #0,3,2: 36:[24, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [24, 27] Generated Node #0,3,3: 36:[24, 27] Operation: 54-27=27 Exploring Operation: 27+24=51, Resulting Numbers: [54, 51] Generated Node #0,3,4: 36:[54, 51] Operation: 27+24=51 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[24, 2], Operations: ['84-30=54', '54/27=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[27, 30], Operations: ['84-30=54', '54-24=30'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[24, 27], Operations: ['84-30=54', '54-27=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[54, 3], Operations: ['84-30=54', '27-24=3'] Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,36 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[54, 51], Operations: ['84-30=54', '27+24=51'] Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 54*51=2754, Resulting Numbers: [2754] 2754,36 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: 36:[30, 27, 60], Operations: ['84-24=60'] Exploring Operation: 60/30=2, Resulting Numbers: [27, 2] Generated Node #0,0,0: 36:[27, 2] Operation: 60/30=2 Exploring Operation: 30-27=3, Resulting Numbers: [60, 3] Generated Node #0,0,1: 36:[60, 3] Operation: 30-27=3 Exploring Operation: 30+27=57, Resulting Numbers: [60, 57] Generated Node #0,0,2: 36:[60, 57] Operation: 30+27=57 Exploring Operation: 60-27=33, Resulting Numbers: [30, 33] Generated Node #0,0,3: 36:[30, 33] Operation: 60-27=33 Exploring Operation: 60-30=30, Resulting Numbers: [27, 30] Generated Node #0,0,4: 36:[27, 30] Operation: 60-30=30 Moving to Node #0,1 Current State: 36:[84, 30, 3], Operations: ['27-24=3'] Exploring Operation: 30/3=10, Resulting Numbers: [84, 10] Generated Node #0,1,0: 36:[84, 10] Operation: 30/3=10 Exploring Operation: 84/3=28, Resulting Numbers: [30, 28] Generated Node #0,1,1: 36:[30, 28] Operation: 84/3=28 Exploring Operation: 84-3=81, Resulting Numbers: [30, 81] Generated Node #0,1,2: 36:[30, 81] Operation: 84-3=81 Exploring Operation: 30+3=33, Resulting Numbers: [84, 33] Generated Node #0,1,3: 36:[84, 33] Operation: 30+3=33 Exploring Operation: 84-30=54, Resulting Numbers: [3, 54] Generated Node #0,1,4: 36:[3, 54] Operation: 84-30=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[30, 28], Operations: ['27-24=3', '84/3=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 36:[3, 54], Operations: ['27-24=3', '84-30=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,36 unequal: No Solution Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[84, 10], Operations: ['27-24=3', '30/3=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,36 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,36 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[30, 81], Operations: ['27-24=3', '84-3=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,36 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 36:[84, 33], Operations: ['27-24=3', '30+3=33'] Exploring Operation: 84*33=2772, Resulting Numbers: [2772] 2772,36 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 84+33=117, Resulting Numbers: [117] 117,36 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: 36:[84, 24, 3], Operations: ['30-27=3'] Exploring Operation: 84-24=60, Resulting Numbers: [3, 60] Generated Node #0,4,0: 36:[3, 60] Operation: 84-24=60 Exploring Operation: 24/3=8, Resulting Numbers: [84, 8] Generated Node #0,4,1: 36:[84, 8] Operation: 24/3=8 Exploring Operation: 84/3=28, Resulting Numbers: [24, 28] Generated Node #0,4,2: 36:[24, 28] Operation: 84/3=28 Exploring Operation: 24-3=21, Resulting Numbers: [84, 21] Generated Node #0,4,3: 36:[84, 21] Operation: 24-3=21 Exploring Operation: 84-3=81, Resulting Numbers: [24, 81] Generated Node #0,4,4: 36:[24, 81] Operation: 84-3=81 Moving to Node #0,0,0 Current State: 36:[27, 2], Operations: ['84-24=60', '60/30=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,36 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,36 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[30, 33], Operations: ['84-24=60', '60-27=33'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,36 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,36 unequal: No Solution Moving to Node #0,4,2 Current State: 36:[24, 28], Operations: ['30-27=3', '84/3=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,36 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,36 unequal: No Solution Moving to Node #0,0,4 Current State: 36:[27, 30], Operations: ['84-24=60', '60-30=30'] Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,36 unequal: No Solution Moving to Node #0,4,0 Current State: 36:[3, 60], Operations: ['30-27=3', '84-24=60'] Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[60, 3], Operations: ['84-24=60', '30-27=3'] Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[60, 57], Operations: ['84-24=60', '30+27=57'] Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[84, 8], Operations: ['30-27=3', '24/3=8'] Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,36 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,36 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[24, 81], Operations: ['30-27=3', '84-3=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,36 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,4,3 Current State: 36:[84, 21], Operations: ['30-27=3', '24-3=21'] Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 84+21=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 84*21=1764, Resulting Numbers: [1764] 1764,36 unequal: No Solution Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 55, 37, 81, 8 ]
71
[ "55-37=18", "81+8=89", "89-18=71" ]
Current State: 71:[55, 37, 81, 8], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [81, 8, 18] Generated Node #2: [81, 8, 18] from Operation: 55-37=18 Current State: 71:[81, 8, 18], Operations: ['55-37=18'] Exploring Operation: 81+8=89, Resulting Numbers: [18, 89] Generated Node #3: [18, 89] from Operation: 81+8=89 Current State: 71:[18, 89], Operations: ['55-37=18', '81+8=89'] Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[55, 37, 81, 8], Operations: [] Exploring Operation: 55-8=47, Resulting Numbers: [37, 81, 47] Generated Node #0,0: 71:[37, 81, 47] Operation: 55-8=47 Exploring Operation: 81-8=73, Resulting Numbers: [55, 37, 73] Generated Node #0,1: 71:[55, 37, 73] Operation: 81-8=73 Exploring Operation: 55+8=63, Resulting Numbers: [37, 81, 63] Generated Node #0,2: 71:[37, 81, 63] Operation: 55+8=63 Exploring Operation: 37+8=45, Resulting Numbers: [55, 81, 45] Generated Node #0,3: 71:[55, 81, 45] Operation: 37+8=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[55, 37, 73], Operations: ['81-8=73'] Exploring Operation: 73-37=36, Resulting Numbers: [55, 36] Generated Node #0,1,0: 71:[55, 36] Operation: 73-37=36 Exploring Operation: 55+37=92, Resulting Numbers: [73, 92] Generated Node #0,1,1: 71:[73, 92] Operation: 55+37=92 Exploring Operation: 37+73=110, Resulting Numbers: [55, 110] Generated Node #0,1,2: 71:[55, 110] Operation: 37+73=110 Exploring Operation: 55-37=18, Resulting Numbers: [73, 18] Generated Node #0,1,3: 71:[73, 18] Operation: 55-37=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[73, 92], Operations: ['81-8=73', '55+37=92'] Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,71 unequal: No Solution Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[55, 36], Operations: ['81-8=73', '73-37=36'] Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[55, 110], Operations: ['81-8=73', '37+73=110'] Exploring Operation: 110-55=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 110/55=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 55+110=165, Resulting Numbers: [165] 165,71 unequal: No Solution Exploring Operation: 55*110=6050, Resulting Numbers: [6050] 6050,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[73, 18], Operations: ['81-8=73', '55-37=18'] Exploring Operation: 73*18=1314, Resulting Numbers: [1314] 1314,71 unequal: No Solution Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 73+18=91, Resulting Numbers: [91] 91,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[37, 81, 63], Operations: ['55+8=63'] Exploring Operation: 37+63=100, Resulting Numbers: [81, 100] Generated Node #0,2,0: 71:[81, 100] Operation: 37+63=100 Exploring Operation: 63-37=26, Resulting Numbers: [81, 26] Generated Node #0,2,1: 71:[81, 26] Operation: 63-37=26 Exploring Operation: 81-37=44, Resulting Numbers: [63, 44] Generated Node #0,2,2: 71:[63, 44] Operation: 81-37=44 Exploring Operation: 37+81=118, Resulting Numbers: [63, 118] Generated Node #0,2,3: 71:[63, 118] Operation: 37+81=118 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[63, 44], Operations: ['55+8=63', '81-37=44'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[81, 100], Operations: ['55+8=63', '37+63=100'] Exploring Operation: 81+100=181, Resulting Numbers: [181] 181,71 unequal: No Solution Exploring Operation: 100-81=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 81*100=8100, Resulting Numbers: [8100] 8100,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[81, 26], Operations: ['55+8=63', '63-37=26'] Exploring Operation: 81+26=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 81*26=2106, Resulting Numbers: [2106] 2106,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[63, 118], Operations: ['55+8=63', '37+81=118'] Exploring Operation: 118-63=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 63*118=7434, Resulting Numbers: [7434] 7434,71 unequal: No Solution Exploring Operation: 63+118=181, Resulting Numbers: [181] 181,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[55, 81, 45], Operations: ['37+8=45'] Exploring Operation: 55-45=10, Resulting Numbers: [81, 10] Generated Node #0,3,0: 71:[81, 10] Operation: 55-45=10 Exploring Operation: 55+45=100, Resulting Numbers: [81, 100] Generated Node #0,3,1: 71:[81, 100] Operation: 55+45=100 Exploring Operation: 81-55=26, Resulting Numbers: [45, 26] Generated Node #0,3,2: 71:[45, 26] Operation: 81-55=26 Exploring Operation: 81-45=36, Resulting Numbers: [55, 36] Generated Node #0,3,3: 71:[55, 36] Operation: 81-45=36 Moving to Node #0,3,1 Current State: 71:[81, 100], Operations: ['37+8=45', '55+45=100'] Exploring Operation: 81+100=181, Resulting Numbers: [181] 181,71 unequal: No Solution Exploring Operation: 81*100=8100, Resulting Numbers: [8100] 8100,71 unequal: No Solution Exploring Operation: 100-81=19, Resulting Numbers: [19] 19,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[55, 36], Operations: ['37+8=45', '81-45=36'] Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,71 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[45, 26], Operations: ['37+8=45', '81-55=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[55, 37, 81, 8], Operations: [] Exploring Operation: 37+8=45, Resulting Numbers: [55, 81, 45] Generated Node #0,3: 71:[55, 81, 45] Operation: 37+8=45 Moving to Node #0,3 Current State: 71:[55, 81, 45], Operations: ['37+8=45'] Exploring Operation: 81-55=26, Resulting Numbers: [45, 26] Generated Node #0,3,2: 71:[45, 26] Operation: 81-55=26 Moving to Node #0,3,2 Current State: 71:[45, 26], Operations: ['37+8=45', '81-55=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_4
mult_heuristic
[ 7, 70, 19, 84 ]
77
[ "19-7=12", "84/12=7", "70+7=77" ]
Current State: 77:[7, 70, 19, 84], Operations: [] Exploring Operation: 19-7=12, Resulting Numbers: [70, 84, 12] Generated Node #2: [70, 84, 12] from Operation: 19-7=12 Current State: 77:[70, 84, 12], Operations: ['19-7=12'] Exploring Operation: 84/12=7, Resulting Numbers: [70, 7] Generated Node #3: [70, 7] from Operation: 84/12=7 Current State: 77:[70, 7], Operations: ['19-7=12', '84/12=7'] Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[7, 70, 19, 84], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [7, 19, 14] Generated Node #0,0: 77:[7, 19, 14] Operation: 84-70=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[7, 19, 14], Operations: ['84-70=14'] Exploring Operation: 19-14=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 77:[7, 5] Operation: 19-14=5 Moving to Node #0,0,0 Current State: 77:[7, 5], Operations: ['84-70=14', '19-14=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,77 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
[ 3, 10, 24, 80 ]
62
[ "24/3=8", "80-10=70", "70-8=62" ]
Current State: 62:[3, 10, 24, 80], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [10, 80, 8] Generated Node #2: [10, 80, 8] from Operation: 24/3=8 Current State: 62:[10, 80, 8], Operations: ['24/3=8'] Exploring Operation: 80-10=70, Resulting Numbers: [8, 70] Generated Node #3: [8, 70] from Operation: 80-10=70 Current State: 62:[8, 70], Operations: ['24/3=8', '80-10=70'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[3, 10, 24, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [3, 24, 8] Generated Node #0,0: 62:[3, 24, 8] Operation: 80/10=8 Exploring Operation: 80-10=70, Resulting Numbers: [3, 24, 70] Generated Node #0,1: 62:[3, 24, 70] Operation: 80-10=70 Exploring Operation: 10+24=34, Resulting Numbers: [3, 80, 34] Generated Node #0,2: 62:[3, 80, 34] Operation: 10+24=34 Exploring Operation: 80-24=56, Resulting Numbers: [3, 10, 56] Generated Node #0,3: 62:[3, 10, 56] Operation: 80-24=56 Moving to Node #0,0 Current State: 62:[3, 24, 8], Operations: ['80/10=8'] Exploring Operation: 8-3=5, Resulting Numbers: [24, 5] Generated Node #0,0,0: 62:[24, 5] Operation: 8-3=5 Exploring Operation: 24/8=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 62:[3, 3] Operation: 24/8=3 Exploring Operation: 24+8=32, Resulting Numbers: [3, 32] Generated Node #0,0,2: 62:[3, 32] Operation: 24+8=32 Exploring Operation: 3+24=27, Resulting Numbers: [8, 27] Generated Node #0,0,3: 62:[8, 27] Operation: 3+24=27 Moving to Node #0,3 Current State: 62:[3, 10, 56], Operations: ['80-24=56'] Exploring Operation: 3+56=59, Resulting Numbers: [10, 59] Generated Node #0,3,0: 62:[10, 59] Operation: 3+56=59 Exploring Operation: 10-3=7, Resulting Numbers: [56, 7] Generated Node #0,3,1: 62:[56, 7] Operation: 10-3=7 Exploring Operation: 3*10=30, Resulting Numbers: [56, 30] Generated Node #0,3,2: 62:[56, 30] Operation: 3*10=30 Exploring Operation: 10+56=66, Resulting Numbers: [3, 66] Generated Node #0,3,3: 62:[3, 66] Operation: 10+56=66 Moving to Node #0,1 Current State: 62:[3, 24, 70], Operations: ['80-10=70'] Exploring Operation: 24/3=8, Resulting Numbers: [70, 8] Generated Node #0,1,0: 62:[70, 8] Operation: 24/3=8 Exploring Operation: 70-24=46, Resulting Numbers: [3, 46] Generated Node #0,1,1: 62:[3, 46] Operation: 70-24=46 Exploring Operation: 70-3=67, Resulting Numbers: [24, 67] Generated Node #0,1,2: 62:[24, 67] Operation: 70-3=67 Exploring Operation: 3+24=27, Resulting Numbers: [70, 27] Generated Node #0,1,3: 62:[70, 27] Operation: 3+24=27 Moving to Node #0,2 Current State: 62:[3, 80, 34], Operations: ['10+24=34'] Exploring Operation: 80-34=46, Resulting Numbers: [3, 46] Generated Node #0,2,0: 62:[3, 46] Operation: 80-34=46 Exploring Operation: 80-3=77, Resulting Numbers: [34, 77] Generated Node #0,2,1: 62:[34, 77] Operation: 80-3=77 Exploring Operation: 3+80=83, Resulting Numbers: [34, 83] Generated Node #0,2,2: 62:[34, 83] Operation: 3+80=83 Exploring Operation: 34-3=31, Resulting Numbers: [80, 31] Generated Node #0,2,3: 62:[80, 31] Operation: 34-3=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[3, 46], Operations: ['10+24=34', '80-34=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,62 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,62 unequal: No Solution No 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: 62:[34, 77], Operations: ['10+24=34', '80-3=77'] Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 34+77=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 34*77=2618, Resulting Numbers: [2618] 2618,62 unequal: No Solution No 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: 62:[80, 31], Operations: ['10+24=34', '34-3=31'] Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,62 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,62 unequal: No Solution No 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: 62:[34, 83], Operations: ['10+24=34', '3+80=83'] Exploring Operation: 34*83=2822, Resulting Numbers: [2822] 2822,62 unequal: No Solution Exploring Operation: 34+83=117, Resulting Numbers: [117] 117,62 unequal: No Solution Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,62 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: 62:[3, 3], Operations: ['80/10=8', '24/8=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[3, 32], Operations: ['80/10=8', '24+8=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,62 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[3, 66], Operations: ['80-24=56', '10+56=66'] Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,62 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[56, 30], Operations: ['80-24=56', '3*10=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,62 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,62 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[24, 5], Operations: ['80/10=8', '8-3=5'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[8, 27], Operations: ['80/10=8', '3+24=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,62 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[10, 59], Operations: ['80-24=56', '3+56=59'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 10*59=590, Resulting Numbers: [590] 590,62 unequal: No Solution Exploring Operation: 10+59=69, Resulting Numbers: [69] 69,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[56, 7], Operations: ['80-24=56', '10-3=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,62 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[24, 67], Operations: ['80-10=70', '70-3=67'] Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 24*67=1608, Resulting Numbers: [1608] 1608,62 unequal: No Solution Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[70, 27], Operations: ['80-10=70', '3+24=27'] Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,62 unequal: No Solution Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,62 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[70, 8], Operations: ['80-10=70', '24/3=8'] Exploring Operation: 70*8=560, Resulting Numbers: [560] 560,62 unequal: No Solution Exploring Operation: 70+8=78, Resulting Numbers: [78] 78,62 unequal: No Solution Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[3, 10, 24, 80], Operations: [] Exploring Operation: 80-10=70, Resulting Numbers: [3, 24, 70] Generated Node #0,1: 62:[3, 24, 70] Operation: 80-10=70 Moving to Node #0,1 Current State: 62:[3, 24, 70], Operations: ['80-10=70'] Exploring Operation: 24/3=8, Resulting Numbers: [70, 8] Generated Node #0,1,0: 62:[70, 8] Operation: 24/3=8 Moving to Node #0,1,0 Current State: 62:[70, 8], Operations: ['80-10=70', '24/3=8'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.9375
hs_4
sum_heuristic
[ 72, 12, 44, 58 ]
17
[ "72/12=6", "44+58=102", "102/6=17" ]
Current State: 17:[72, 12, 44, 58], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [44, 58, 6] Generated Node #2: [44, 58, 6] from Operation: 72/12=6 Current State: 17:[44, 58, 6], Operations: ['72/12=6'] Exploring Operation: 44+58=102, Resulting Numbers: [6, 102] Generated Node #3: [6, 102] from Operation: 44+58=102 Current State: 17:[6, 102], Operations: ['72/12=6', '44+58=102'] Exploring Operation: 102/6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[72, 12, 44, 58], Operations: [] Exploring Operation: 72-58=14, Resulting Numbers: [12, 44, 14] Generated Node #0,0: 17:[12, 44, 14] Operation: 72-58=14 Exploring Operation: 72-44=28, Resulting Numbers: [12, 58, 28] Generated Node #0,1: 17:[12, 58, 28] Operation: 72-44=28 Moving to Node #0,0 Current State: 17:[12, 44, 14], Operations: ['72-58=14'] Exploring Operation: 44-14=30, Resulting Numbers: [12, 30] Generated Node #0,0,0: 17:[12, 30] Operation: 44-14=30 Exploring Operation: 44-12=32, Resulting Numbers: [14, 32] Generated Node #0,0,1: 17:[14, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[12, 30], Operations: ['72-58=14', '44-14=30'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[14, 32], Operations: ['72-58=14', '44-12=32'] Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,17 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,17 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: 17:[12, 58, 28], Operations: ['72-44=28'] Exploring Operation: 58-28=30, Resulting Numbers: [12, 30] Generated Node #0,1,0: 17:[12, 30] Operation: 58-28=30 Exploring Operation: 58-12=46, Resulting Numbers: [28, 46] Generated Node #0,1,1: 17:[28, 46] Operation: 58-12=46 Moving to Node #0,1,0 Current State: 17:[12, 30], Operations: ['72-44=28', '58-28=30'] Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[28, 46], Operations: ['72-44=28', '58-12=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,17 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 25, 16, 49, 50 ]
35
[ "50/25=2", "49-16=33", "2+33=35" ]
Current State: 35:[25, 16, 49, 50], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [16, 49, 2] Generated Node #2: [16, 49, 2] from Operation: 50/25=2 Current State: 35:[16, 49, 2], Operations: ['50/25=2'] Exploring Operation: 49-16=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 49-16=33 Current State: 35:[2, 33], Operations: ['50/25=2', '49-16=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[25, 16, 49, 50], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [16, 49, 2] Generated Node #0,0: 35:[16, 49, 2] Operation: 50/25=2 Exploring Operation: 50-49=1, Resulting Numbers: [25, 16, 1] Generated Node #0,1: 35:[25, 16, 1] Operation: 50-49=1 Exploring Operation: 50-16=34, Resulting Numbers: [25, 49, 34] Generated Node #0,2: 35:[25, 49, 34] Operation: 50-16=34 Moving to Node #0,1 Current State: 35:[25, 16, 1], Operations: ['50-49=1'] Exploring Operation: 25+1=26, Resulting Numbers: [16, 26] Generated Node #0,1,0: 35:[16, 26] Operation: 25+1=26 Exploring Operation: 25-16=9, Resulting Numbers: [1, 9] Generated Node #0,1,1: 35:[1, 9] Operation: 25-16=9 Exploring Operation: 25+16=41, Resulting Numbers: [1, 41] Generated Node #0,1,2: 35:[1, 41] Operation: 25+16=41 Moving to Node #0,2 Current State: 35:[25, 49, 34], Operations: ['50-16=34'] Exploring Operation: 49-25=24, Resulting Numbers: [34, 24] Generated Node #0,2,0: 35:[34, 24] Operation: 49-25=24 Exploring Operation: 49-34=15, Resulting Numbers: [25, 15] Generated Node #0,2,1: 35:[25, 15] Operation: 49-34=15 Exploring Operation: 34-25=9, Resulting Numbers: [49, 9] Generated Node #0,2,2: 35:[49, 9] Operation: 34-25=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[34, 24], Operations: ['50-16=34', '49-25=24'] Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,35 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[49, 9], Operations: ['50-16=34', '34-25=9'] Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,35 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[25, 15], Operations: ['50-16=34', '49-34=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,35 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,35 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: 35:[16, 49, 2], Operations: ['50/25=2'] Exploring Operation: 16*2=32, Resulting Numbers: [49, 32] Generated Node #0,0,0: 35:[49, 32] Operation: 16*2=32 Exploring Operation: 16/2=8, Resulting Numbers: [49, 8] Generated Node #0,0,1: 35:[49, 8] Operation: 16/2=8 Exploring Operation: 49-16=33, Resulting Numbers: [2, 33] Generated Node #0,0,2: 35:[2, 33] Operation: 49-16=33 Moving to Node #0,0,2 Current State: 35:[2, 33], Operations: ['50/25=2', '49-16=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,35 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[25, 16, 49, 50], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [16, 49, 2] Generated Node #0,0: 35:[16, 49, 2] Operation: 50/25=2 Moving to Node #0,0 Current State: 35:[16, 49, 2], Operations: ['50/25=2'] Exploring Operation: 49-16=33, Resulting Numbers: [2, 33] Generated Node #0,0,2: 35:[2, 33] Operation: 49-16=33 Moving to Node #0,0,2 Current State: 35:[2, 33], Operations: ['50/25=2', '49-16=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 76, 84, 45, 41 ]
94
[ "84-76=8", "45+41=86", "8+86=94" ]
Current State: 94:[76, 84, 45, 41], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [45, 41, 8] Generated Node #2: [45, 41, 8] from Operation: 84-76=8 Current State: 94:[45, 41, 8], Operations: ['84-76=8'] Exploring Operation: 45+41=86, Resulting Numbers: [8, 86] Generated Node #3: [8, 86] from Operation: 45+41=86 Current State: 94:[8, 86], Operations: ['84-76=8', '45+41=86'] Exploring Operation: 8+86=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[76, 84, 45, 41], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [45, 41, 8] Generated Node #0,0: 94:[45, 41, 8] Operation: 84-76=8 Exploring Operation: 45-41=4, Resulting Numbers: [76, 84, 4] Generated Node #0,1: 94:[76, 84, 4] Operation: 45-41=4 Exploring Operation: 76-41=35, Resulting Numbers: [84, 45, 35] Generated Node #0,2: 94:[84, 45, 35] Operation: 76-41=35 Exploring Operation: 84-41=43, Resulting Numbers: [76, 45, 43] Generated Node #0,3: 94:[76, 45, 43] Operation: 84-41=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[45, 41, 8], Operations: ['84-76=8'] Exploring Operation: 45+8=53, Resulting Numbers: [41, 53] Generated Node #0,0,0: 94:[41, 53] Operation: 45+8=53 Exploring Operation: 45-41=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 94:[8, 4] Operation: 45-41=4 Exploring Operation: 41+8=49, Resulting Numbers: [45, 49] Generated Node #0,0,2: 94:[45, 49] Operation: 41+8=49 Exploring Operation: 45+41=86, Resulting Numbers: [8, 86] Generated Node #0,0,3: 94:[8, 86] Operation: 45+41=86 Moving to Node #0,0,2 Current State: 94:[45, 49], Operations: ['84-76=8', '41+8=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[76, 84, 45, 41], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [45, 41, 8] Generated Node #0,0: 94:[45, 41, 8] Operation: 84-76=8 Moving to Node #0,0 Current State: 94:[45, 41, 8], Operations: ['84-76=8'] Exploring Operation: 41+8=49, Resulting Numbers: [45, 49] Generated Node #0,0,2: 94:[45, 49] Operation: 41+8=49 Moving to Node #0,0,2 Current State: 94:[45, 49], Operations: ['84-76=8', '41+8=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 45, 23, 35, 40 ]
60
[ "45-40=5", "35-23=12", "5*12=60" ]
Current State: 60:[45, 23, 35, 40], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [23, 35, 5] Generated Node #2: [23, 35, 5] from Operation: 45-40=5 Current State: 60:[23, 35, 5], Operations: ['45-40=5'] Exploring Operation: 35-23=12, Resulting Numbers: [5, 12] Generated Node #3: [5, 12] from Operation: 35-23=12 Current State: 60:[5, 12], Operations: ['45-40=5', '35-23=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[45, 23, 35, 40], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [45, 23, 5] Generated Node #0,0: 60:[45, 23, 5] Operation: 40-35=5 Exploring Operation: 45-23=22, Resulting Numbers: [35, 40, 22] Generated Node #0,1: 60:[35, 40, 22] Operation: 45-23=22 Exploring Operation: 45-40=5, Resulting Numbers: [23, 35, 5] Generated Node #0,2: 60:[23, 35, 5] Operation: 45-40=5 Exploring Operation: 45-35=10, Resulting Numbers: [23, 40, 10] Generated Node #0,3: 60:[23, 40, 10] Operation: 45-35=10 Moving to Node #0,2 Current State: 60:[23, 35, 5], Operations: ['45-40=5'] Exploring Operation: 35-5=30, Resulting Numbers: [23, 30] Generated Node #0,2,0: 60:[23, 30] Operation: 35-5=30 Exploring Operation: 23+35=58, Resulting Numbers: [5, 58] Generated Node #0,2,1: 60:[5, 58] Operation: 23+35=58 Exploring Operation: 35/5=7, Resulting Numbers: [23, 7] Generated Node #0,2,2: 60:[23, 7] Operation: 35/5=7 Exploring Operation: 35-23=12, Resulting Numbers: [5, 12] Generated Node #0,2,3: 60:[5, 12] Operation: 35-23=12 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[5, 12], Operations: ['45-40=5', '35-23=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[45, 23, 35, 40], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [23, 35, 5] Generated Node #0,2: 60:[23, 35, 5] Operation: 45-40=5 Moving to Node #0,2 Current State: 60:[23, 35, 5], Operations: ['45-40=5'] Exploring Operation: 35-23=12, Resulting Numbers: [5, 12] Generated Node #0,2,3: 60:[5, 12] Operation: 35-23=12 Moving to Node #0,2,3 Current State: 60:[5, 12], Operations: ['45-40=5', '35-23=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 56, 40, 34, 36 ]
88
[ "56-34=22", "40-36=4", "22*4=88" ]
Current State: 88:[56, 40, 34, 36], Operations: [] Exploring Operation: 56-34=22, Resulting Numbers: [40, 36, 22] Generated Node #2: [40, 36, 22] from Operation: 56-34=22 Current State: 88:[40, 36, 22], Operations: ['56-34=22'] Exploring Operation: 40-36=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 40-36=4 Current State: 88:[22, 4], Operations: ['56-34=22', '40-36=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[56, 40, 34, 36], Operations: [] Exploring Operation: 56-34=22, Resulting Numbers: [40, 36, 22] Generated Node #0,0: 88:[40, 36, 22] Operation: 56-34=22 Moving to Node #0,0 Current State: 88:[40, 36, 22], Operations: ['56-34=22'] Exploring Operation: 40-36=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 88:[22, 4] Operation: 40-36=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[22, 4], Operations: ['56-34=22', '40-36=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[56, 40, 34, 36], Operations: [] Exploring Operation: 56-34=22, Resulting Numbers: [40, 36, 22] Generated Node #0,0: 88:[40, 36, 22] Operation: 56-34=22 Moving to Node #0,0 Current State: 88:[40, 36, 22], Operations: ['56-34=22'] Exploring Operation: 40-36=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 88:[22, 4] Operation: 40-36=4 Moving to Node #0,0,0 Current State: 88:[22, 4], Operations: ['56-34=22', '40-36=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 3, 33, 26, 78 ]
90
[ "33-3=30", "78/26=3", "30*3=90" ]
Current State: 90:[3, 33, 26, 78], Operations: [] Exploring Operation: 33-3=30, Resulting Numbers: [26, 78, 30] Generated Node #2: [26, 78, 30] from Operation: 33-3=30 Current State: 90:[26, 78, 30], Operations: ['33-3=30'] Exploring Operation: 78/26=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 78/26=3 Current State: 90:[30, 3], Operations: ['33-3=30', '78/26=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[3, 33, 26, 78], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [3, 33, 3] Generated Node #0,0: 90:[3, 33, 3] Operation: 78/26=3 Exploring Operation: 78-33=45, Resulting Numbers: [3, 26, 45] Generated Node #0,1: 90:[3, 26, 45] Operation: 78-33=45 Exploring Operation: 78-26=52, Resulting Numbers: [3, 33, 52] Generated Node #0,2: 90:[3, 33, 52] Operation: 78-26=52 Moving to Node #0,0 Current State: 90:[3, 33, 3], Operations: ['78/26=3'] Exploring Operation: 33-3=30, Resulting Numbers: [3, 30] Generated Node #0,0,0: 90:[3, 30] Operation: 33-3=30 Exploring Operation: 33-3=30, Resulting Numbers: [3, 30] Generated Node #0,0,1: 90:[3, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [3, 11] Generated Node #0,0,2: 90:[3, 11] Operation: 33/3=11 Moving to Node #0,1 Current State: 90:[3, 26, 45], Operations: ['78-33=45'] Exploring Operation: 45-26=19, Resulting Numbers: [3, 19] Generated Node #0,1,0: 90:[3, 19] Operation: 45-26=19 Exploring Operation: 3+26=29, Resulting Numbers: [45, 29] Generated Node #0,1,1: 90:[45, 29] Operation: 3+26=29 Exploring Operation: 45/3=15, Resulting Numbers: [26, 15] Generated Node #0,1,2: 90:[26, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[3, 19], Operations: ['78-33=45', '45-26=19'] Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[45, 29], Operations: ['78-33=45', '3+26=29'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,90 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[26, 15], Operations: ['78-33=45', '45/3=15'] Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,90 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: 90:[3, 33, 52], Operations: ['78-26=52'] Exploring Operation: 33+52=85, Resulting Numbers: [3, 85] Generated Node #0,2,0: 90:[3, 85] Operation: 33+52=85 Exploring Operation: 33-3=30, Resulting Numbers: [52, 30] Generated Node #0,2,1: 90:[52, 30] Operation: 33-3=30 Exploring Operation: 52-33=19, Resulting Numbers: [3, 19] Generated Node #0,2,2: 90:[3, 19] Operation: 52-33=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[3, 19], Operations: ['78-26=52', '52-33=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[3, 85], Operations: ['78-26=52', '33+52=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,90 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,90 unequal: No Solution Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[52, 30], Operations: ['78-26=52', '33-3=30'] Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 52+30=82, Resulting Numbers: [82] 82,90 unequal: No Solution Exploring Operation: 52*30=1560, Resulting Numbers: [1560] 1560,90 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: 90:[3, 30], Operations: ['78/26=3', '33-3=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[3, 33, 26, 78], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [3, 33, 3] Generated Node #0,0: 90:[3, 33, 3] Operation: 78/26=3 Moving to Node #0,0 Current State: 90:[3, 33, 3], Operations: ['78/26=3'] Exploring Operation: 33-3=30, Resulting Numbers: [3, 30] Generated Node #0,0,0: 90:[3, 30] Operation: 33-3=30 Moving to Node #0,0,0 Current State: 90:[3, 30], Operations: ['78/26=3', '33-3=30'] Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 49, 33, 48, 15 ]
50
[ "48-33=15", "15/15=1", "49+1=50" ]
Current State: 50:[49, 33, 48, 15], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [49, 15, 15] Generated Node #2: [49, 15, 15] from Operation: 48-33=15 Current State: 50:[49, 15, 15], Operations: ['48-33=15'] Exploring Operation: 15/15=1, Resulting Numbers: [49, 1] Generated Node #3: [49, 1] from Operation: 15/15=1 Current State: 50:[49, 1], Operations: ['48-33=15', '15/15=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[49, 33, 48, 15], Operations: [] Exploring Operation: 33-15=18, Resulting Numbers: [49, 48, 18] Generated Node #0,0: 50:[49, 48, 18] Operation: 33-15=18 Exploring Operation: 48-33=15, Resulting Numbers: [49, 15, 15] Generated Node #0,1: 50:[49, 15, 15] Operation: 48-33=15 Exploring Operation: 33+15=48, Resulting Numbers: [49, 48, 48] Generated Node #0,2: 50:[49, 48, 48] Operation: 33+15=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[49, 48, 48], Operations: ['33+15=48'] Exploring Operation: 48/48=1, Resulting Numbers: [49, 1] Generated Node #0,2,0: 50:[49, 1] Operation: 48/48=1 Exploring Operation: 49-48=1, Resulting Numbers: [48, 1] Generated Node #0,2,1: 50:[48, 1] Operation: 49-48=1 Exploring Operation: 49-48=1, Resulting Numbers: [48, 1] Generated Node #0,2,2: 50:[48, 1] Operation: 49-48=1 Moving to Node #0,2,0 Current State: 50:[49, 1], Operations: ['33+15=48', '48/48=1'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[49, 33, 48, 15], Operations: [] Exploring Operation: 33+15=48, Resulting Numbers: [49, 48, 48] Generated Node #0,2: 50:[49, 48, 48] Operation: 33+15=48 Moving to Node #0,2 Current State: 50:[49, 48, 48], Operations: ['33+15=48'] Exploring Operation: 48/48=1, Resulting Numbers: [49, 1] Generated Node #0,2,0: 50:[49, 1] Operation: 48/48=1 Moving to Node #0,2,0 Current State: 50:[49, 1], Operations: ['33+15=48', '48/48=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 82, 8, 8, 64 ]
78
[ "8+8=16", "64/16=4", "82-4=78" ]
Current State: 78:[82, 8, 8, 64], Operations: [] Exploring Operation: 8+8=16, Resulting Numbers: [82, 64, 16] Generated Node #2: [82, 64, 16] from Operation: 8+8=16 Current State: 78:[82, 64, 16], Operations: ['8+8=16'] Exploring Operation: 64/16=4, Resulting Numbers: [82, 4] Generated Node #3: [82, 4] from Operation: 64/16=4 Current State: 78:[82, 4], Operations: ['8+8=16', '64/16=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[82, 8, 8, 64], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [82, 8, 8] Generated Node #0,0: 78:[82, 8, 8] Operation: 64/8=8 Moving to Node #0,0 Current State: 78:[82, 8, 8], Operations: ['64/8=8'] Exploring Operation: 8/8=1, Resulting Numbers: [82, 1] Generated Node #0,0,0: 78:[82, 1] Operation: 8/8=1 Moving to Node #0,0,0 Current State: 78:[82, 1], Operations: ['64/8=8', '8/8=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,78 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 10, 93, 70, 66 ]
20
[ "70/10=7", "93-66=27", "27-7=20" ]
Current State: 20:[10, 93, 70, 66], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [93, 66, 7] Generated Node #2: [93, 66, 7] from Operation: 70/10=7 Current State: 20:[93, 66, 7], Operations: ['70/10=7'] Exploring Operation: 93-66=27, Resulting Numbers: [7, 27] Generated Node #3: [7, 27] from Operation: 93-66=27 Current State: 20:[7, 27], Operations: ['70/10=7', '93-66=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[10, 93, 70, 66], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [10, 70, 27] Generated Node #0,0: 20:[10, 70, 27] Operation: 93-66=27 Exploring Operation: 93-70=23, Resulting Numbers: [10, 66, 23] Generated Node #0,1: 20:[10, 66, 23] Operation: 93-70=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[10, 66, 23], Operations: ['93-70=23'] Exploring Operation: 66-10=56, Resulting Numbers: [23, 56] Generated Node #0,1,0: 20:[23, 56] Operation: 66-10=56 Exploring Operation: 66-23=43, Resulting Numbers: [10, 43] Generated Node #0,1,1: 20:[10, 43] Operation: 66-23=43 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[10, 43], Operations: ['93-70=23', '66-23=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[23, 56], Operations: ['93-70=23', '66-10=56'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[10, 70, 27], Operations: ['93-66=27'] Exploring Operation: 70-27=43, Resulting Numbers: [10, 43] Generated Node #0,0,0: 20:[10, 43] Operation: 70-27=43 Exploring Operation: 70/10=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 20:[27, 7] Operation: 70/10=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[27, 7], Operations: ['93-66=27', '70/10=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[10, 93, 70, 66], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [10, 70, 27] Generated Node #0,0: 20:[10, 70, 27] Operation: 93-66=27 Moving to Node #0,0 Current State: 20:[10, 70, 27], Operations: ['93-66=27'] Exploring Operation: 70/10=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 20:[27, 7] Operation: 70/10=7 Moving to Node #0,0,1 Current State: 20:[27, 7], Operations: ['93-66=27', '70/10=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 12, 34, 67, 38 ]
61
[ "34+38=72", "72/12=6", "67-6=61" ]
Current State: 61:[12, 34, 67, 38], Operations: [] Exploring Operation: 34+38=72, Resulting Numbers: [12, 67, 72] Generated Node #2: [12, 67, 72] from Operation: 34+38=72 Current State: 61:[12, 67, 72], Operations: ['34+38=72'] Exploring Operation: 72/12=6, Resulting Numbers: [67, 6] Generated Node #3: [67, 6] from Operation: 72/12=6 Current State: 61:[67, 6], Operations: ['34+38=72', '72/12=6'] Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[12, 34, 67, 38], Operations: [] Exploring Operation: 67-12=55, Resulting Numbers: [34, 38, 55] Generated Node #0,0: 61:[34, 38, 55] Operation: 67-12=55 Exploring Operation: 12+34=46, Resulting Numbers: [67, 38, 46] Generated Node #0,1: 61:[67, 38, 46] Operation: 12+34=46 Exploring Operation: 12+38=50, Resulting Numbers: [34, 67, 50] Generated Node #0,2: 61:[34, 67, 50] Operation: 12+38=50 Moving to Node #0,1 Current State: 61:[67, 38, 46], Operations: ['12+34=46'] Exploring Operation: 38+46=84, Resulting Numbers: [67, 84] Generated Node #0,1,0: 61:[67, 84] Operation: 38+46=84 Exploring Operation: 67-38=29, Resulting Numbers: [46, 29] Generated Node #0,1,1: 61:[46, 29] Operation: 67-38=29 Exploring Operation: 67+38=105, Resulting Numbers: [46, 105] Generated Node #0,1,2: 61:[46, 105] Operation: 67+38=105 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[67, 84], Operations: ['12+34=46', '38+46=84'] Exploring Operation: 67+84=151, Resulting Numbers: [151] 151,61 unequal: No Solution Exploring Operation: 67*84=5628, Resulting Numbers: [5628] 5628,61 unequal: No Solution Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[46, 29], Operations: ['12+34=46', '67-38=29'] Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[46, 105], Operations: ['12+34=46', '67+38=105'] Exploring Operation: 105-46=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 46+105=151, Resulting Numbers: [151] 151,61 unequal: No Solution Exploring Operation: 46*105=4830, Resulting Numbers: [4830] 4830,61 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: 61:[34, 67, 50], Operations: ['12+38=50'] Exploring Operation: 34+50=84, Resulting Numbers: [67, 84] Generated Node #0,2,0: 61:[67, 84] Operation: 34+50=84 Exploring Operation: 34+67=101, Resulting Numbers: [50, 101] Generated Node #0,2,1: 61:[50, 101] Operation: 34+67=101 Exploring Operation: 67-34=33, Resulting Numbers: [50, 33] Generated Node #0,2,2: 61:[50, 33] Operation: 67-34=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[67, 84], Operations: ['12+38=50', '34+50=84'] Exploring Operation: 67*84=5628, Resulting Numbers: [5628] 5628,61 unequal: No Solution Exploring Operation: 67+84=151, Resulting Numbers: [151] 151,61 unequal: No Solution Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[50, 33], Operations: ['12+38=50', '67-34=33'] Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,61 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[50, 101], Operations: ['12+38=50', '34+67=101'] Exploring Operation: 50+101=151, Resulting Numbers: [151] 151,61 unequal: No Solution Exploring Operation: 50*101=5050, Resulting Numbers: [5050] 5050,61 unequal: No Solution Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,61 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: 61:[34, 38, 55], Operations: ['67-12=55'] Exploring Operation: 34+38=72, Resulting Numbers: [55, 72] Generated Node #0,0,0: 61:[55, 72] Operation: 34+38=72 Exploring Operation: 38+55=93, Resulting Numbers: [34, 93] Generated Node #0,0,1: 61:[34, 93] Operation: 38+55=93 Exploring Operation: 34+55=89, Resulting Numbers: [38, 89] Generated Node #0,0,2: 61:[38, 89] Operation: 34+55=89 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[55, 72], Operations: ['67-12=55', '34+38=72'] Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 55*72=3960, Resulting Numbers: [3960] 3960,61 unequal: No Solution Exploring Operation: 55+72=127, Resulting Numbers: [127] 127,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[38, 89], Operations: ['67-12=55', '34+55=89'] Exploring Operation: 38+89=127, Resulting Numbers: [127] 127,61 unequal: No Solution Exploring Operation: 38*89=3382, Resulting Numbers: [3382] 3382,61 unequal: No Solution Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[34, 93], Operations: ['67-12=55', '38+55=93'] Exploring Operation: 34*93=3162, Resulting Numbers: [3162] 3162,61 unequal: No Solution Exploring Operation: 34+93=127, Resulting Numbers: [127] 127,61 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,61 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
[ 57, 2, 20, 97 ]
67
[ "57-20=37", "97+37=134", "134/2=67" ]
Current State: 67:[57, 2, 20, 97], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [2, 97, 37] Generated Node #2: [2, 97, 37] from Operation: 57-20=37 Current State: 67:[2, 97, 37], Operations: ['57-20=37'] Exploring Operation: 97+37=134, Resulting Numbers: [2, 134] Generated Node #3: [2, 134] from Operation: 97+37=134 Current State: 67:[2, 134], Operations: ['57-20=37', '97+37=134'] Exploring Operation: 134/2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[57, 2, 20, 97], Operations: [] Exploring Operation: 2+20=22, Resulting Numbers: [57, 97, 22] Generated Node #0,0: 67:[57, 97, 22] Operation: 2+20=22 Exploring Operation: 97-2=95, Resulting Numbers: [57, 20, 95] Generated Node #0,1: 67:[57, 20, 95] Operation: 97-2=95 Exploring Operation: 57+2=59, Resulting Numbers: [20, 97, 59] Generated Node #0,2: 67:[20, 97, 59] Operation: 57+2=59 Exploring Operation: 97-20=77, Resulting Numbers: [57, 2, 77] Generated Node #0,3: 67:[57, 2, 77] Operation: 97-20=77 Exploring Operation: 2*20=40, Resulting Numbers: [57, 97, 40] Generated Node #0,4: 67:[57, 97, 40] Operation: 2*20=40 Moving to Node #0,4 Current State: 67:[57, 97, 40], Operations: ['2*20=40'] Exploring Operation: 97+40=137, Resulting Numbers: [57, 137] Generated Node #0,4,0: 67:[57, 137] Operation: 97+40=137 Exploring Operation: 97-40=57, Resulting Numbers: [57, 57] Generated Node #0,4,1: 67:[57, 57] Operation: 97-40=57 Exploring Operation: 57+40=97, Resulting Numbers: [97, 97] Generated Node #0,4,2: 67:[97, 97] Operation: 57+40=97 Exploring Operation: 97-57=40, Resulting Numbers: [40, 40] Generated Node #0,4,3: 67:[40, 40] Operation: 97-57=40 Exploring Operation: 57-40=17, Resulting Numbers: [97, 17] Generated Node #0,4,4: 67:[97, 17] Operation: 57-40=17 Moving to Node #0,1 Current State: 67:[57, 20, 95], Operations: ['97-2=95'] Exploring Operation: 95-57=38, Resulting Numbers: [20, 38] Generated Node #0,1,0: 67:[20, 38] Operation: 95-57=38 Exploring Operation: 57-20=37, Resulting Numbers: [95, 37] Generated Node #0,1,1: 67:[95, 37] Operation: 57-20=37 Exploring Operation: 57+20=77, Resulting Numbers: [95, 77] Generated Node #0,1,2: 67:[95, 77] Operation: 57+20=77 Exploring Operation: 95-20=75, Resulting Numbers: [57, 75] Generated Node #0,1,3: 67:[57, 75] Operation: 95-20=75 Exploring Operation: 20+95=115, Resulting Numbers: [57, 115] Generated Node #0,1,4: 67:[57, 115] Operation: 20+95=115 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[57, 75], Operations: ['97-2=95', '95-20=75'] Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[95, 77], Operations: ['97-2=95', '57+20=77'] Exploring Operation: 95+77=172, Resulting Numbers: [172] 172,67 unequal: No Solution Exploring Operation: 95-77=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 95*77=7315, Resulting Numbers: [7315] 7315,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[95, 37], Operations: ['97-2=95', '57-20=37'] Exploring Operation: 95*37=3515, Resulting Numbers: [3515] 3515,67 unequal: No Solution Exploring Operation: 95-37=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 95+37=132, Resulting Numbers: [132] 132,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 67:[57, 115], Operations: ['97-2=95', '20+95=115'] Exploring Operation: 57*115=6555, Resulting Numbers: [6555] 6555,67 unequal: No Solution Exploring Operation: 57+115=172, Resulting Numbers: [172] 172,67 unequal: No Solution Exploring Operation: 115-57=58, Resulting Numbers: [58] 58,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[20, 38], Operations: ['97-2=95', '95-57=38'] Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 67:[57, 2, 77], Operations: ['97-20=77'] Exploring Operation: 57-2=55, Resulting Numbers: [77, 55] Generated Node #0,3,0: 67:[77, 55] Operation: 57-2=55 Exploring Operation: 2+77=79, Resulting Numbers: [57, 79] Generated Node #0,3,1: 67:[57, 79] Operation: 2+77=79 Exploring Operation: 57+2=59, Resulting Numbers: [77, 59] Generated Node #0,3,2: 67:[77, 59] Operation: 57+2=59 Exploring Operation: 57*2=114, Resulting Numbers: [77, 114] Generated Node #0,3,3: 67:[77, 114] Operation: 57*2=114 Exploring Operation: 77-2=75, Resulting Numbers: [57, 75] Generated Node #0,3,4: 67:[57, 75] Operation: 77-2=75 Moving to Node #0,0 Current State: 67:[57, 97, 22], Operations: ['2+20=22'] Exploring Operation: 97+22=119, Resulting Numbers: [57, 119] Generated Node #0,0,0: 67:[57, 119] Operation: 97+22=119 Exploring Operation: 97-57=40, Resulting Numbers: [22, 40] Generated Node #0,0,1: 67:[22, 40] Operation: 97-57=40 Exploring Operation: 97-22=75, Resulting Numbers: [57, 75] Generated Node #0,0,2: 67:[57, 75] Operation: 97-22=75 Exploring Operation: 57-22=35, Resulting Numbers: [97, 35] Generated Node #0,0,3: 67:[97, 35] Operation: 57-22=35 Exploring Operation: 57+22=79, Resulting Numbers: [97, 79] Generated Node #0,0,4: 67:[97, 79] Operation: 57+22=79 Moving to Node #0,2 Current State: 67:[20, 97, 59], Operations: ['57+2=59'] Exploring Operation: 20+59=79, Resulting Numbers: [97, 79] Generated Node #0,2,0: 67:[97, 79] Operation: 20+59=79 Exploring Operation: 97-59=38, Resulting Numbers: [20, 38] Generated Node #0,2,1: 67:[20, 38] Operation: 97-59=38 Exploring Operation: 20+97=117, Resulting Numbers: [59, 117] Generated Node #0,2,2: 67:[59, 117] Operation: 20+97=117 Exploring Operation: 59-20=39, Resulting Numbers: [97, 39] Generated Node #0,2,3: 67:[97, 39] Operation: 59-20=39 Exploring Operation: 97-20=77, Resulting Numbers: [59, 77] Generated Node #0,2,4: 67:[59, 77] Operation: 97-20=77 Moving to Node #0,3,2 Current State: 67:[77, 59], Operations: ['97-20=77', '57+2=59'] Exploring Operation: 77*59=4543, Resulting Numbers: [4543] 4543,67 unequal: No Solution Exploring Operation: 77+59=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 77-59=18, Resulting Numbers: [18] 18,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[57, 75], Operations: ['97-20=77', '77-2=75'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[57, 75], Operations: ['2+20=22', '97-22=75'] Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,67 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,67 unequal: No Solution Moving to Node #0,2,4 Current State: 67:[59, 77], Operations: ['57+2=59', '97-20=77'] Exploring Operation: 59+77=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 77-59=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 59*77=4543, Resulting Numbers: [4543] 4543,67 unequal: No Solution Moving to Node #0,4,1 Current State: 67:[57, 57], Operations: ['2*20=40', '97-40=57'] Exploring Operation: 57/57=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 57+57=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 57-57=0, Resulting Numbers: [0] 0,67 unequal: No Solution Exploring Operation: 57*57=3249, Resulting Numbers: [3249] 3249,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[77, 55], Operations: ['97-20=77', '57-2=55'] Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 77+55=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 77*55=4235, Resulting Numbers: [4235] 4235,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[57, 79], Operations: ['97-20=77', '2+77=79'] Exploring Operation: 57+79=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 79-57=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 57*79=4503, Resulting Numbers: [4503] 4503,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[97, 79], Operations: ['2+20=22', '57+22=79'] Exploring Operation: 97*79=7663, Resulting Numbers: [7663] 7663,67 unequal: No Solution Exploring Operation: 97+79=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 97-79=18, Resulting Numbers: [18] 18,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[97, 79], Operations: ['57+2=59', '20+59=79'] Exploring Operation: 97+79=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 97-79=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 97*79=7663, Resulting Numbers: [7663] 7663,67 unequal: No Solution Moving to Node #0,4,3 Current State: 67:[40, 40], Operations: ['2*20=40', '97-57=40'] Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,67 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,67 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[77, 114], Operations: ['97-20=77', '57*2=114'] Exploring Operation: 114-77=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 77*114=8778, Resulting Numbers: [8778] 8778,67 unequal: No Solution Exploring Operation: 77+114=191, Resulting Numbers: [191] 191,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[97, 39], Operations: ['57+2=59', '59-20=39'] Exploring Operation: 97+39=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 97*39=3783, Resulting Numbers: [3783] 3783,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[59, 117], Operations: ['57+2=59', '20+97=117'] Exploring Operation: 117-59=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 59*117=6903, Resulting Numbers: [6903] 6903,67 unequal: No Solution Exploring Operation: 59+117=176, Resulting Numbers: [176] 176,67 unequal: No Solution Moving to Node #0,4,2 Current State: 67:[97, 97], Operations: ['2*20=40', '57+40=97'] Exploring Operation: 97*97=9409, Resulting Numbers: [9409] 9409,67 unequal: No Solution Exploring Operation: 97/97=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 97+97=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 97-97=0, Resulting Numbers: [0] 0,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[97, 35], Operations: ['2+20=22', '57-22=35'] Exploring Operation: 97*35=3395, Resulting Numbers: [3395] 3395,67 unequal: No Solution Exploring Operation: 97-35=62, Resulting Numbers: [62] 62,67 unequal: No Solution Exploring Operation: 97+35=132, Resulting Numbers: [132] 132,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[57, 119], Operations: ['2+20=22', '97+22=119'] Exploring Operation: 57+119=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 119-57=62, Resulting Numbers: [62] 62,67 unequal: No Solution Exploring Operation: 57*119=6783, Resulting Numbers: [6783] 6783,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[22, 40], Operations: ['2+20=22', '97-57=40'] Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,67 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,67 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[20, 38], Operations: ['57+2=59', '97-59=38'] Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,67 unequal: No Solution Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[57, 137], Operations: ['2*20=40', '97+40=137'] Exploring Operation: 57*137=7809, Resulting Numbers: [7809] 7809,67 unequal: No Solution Exploring Operation: 57+137=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 137-57=80, Resulting Numbers: [80] 80,67 unequal: No Solution Moving to Node #0,4,4 Current State: 67:[97, 17], Operations: ['2*20=40', '57-40=17'] Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,67 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,67 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 36, 34, 1, 42 ]
86
[ "36-34=2", "1+42=43", "2*43=86" ]
Current State: 86:[36, 34, 1, 42], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [1, 42, 2] Generated Node #2: [1, 42, 2] from Operation: 36-34=2 Current State: 86:[1, 42, 2], Operations: ['36-34=2'] Exploring Operation: 1+42=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 1+42=43 Current State: 86:[2, 43], Operations: ['36-34=2', '1+42=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[36, 34, 1, 42], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [1, 42, 2] Generated Node #0,0: 86:[1, 42, 2] Operation: 36-34=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[1, 42, 2], Operations: ['36-34=2'] Exploring Operation: 1+42=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 86:[2, 43] Operation: 1+42=43 Moving to Node #0,0,0 Current State: 86:[2, 43], Operations: ['36-34=2', '1+42=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[36, 34, 1, 42], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [1, 42, 2] Generated Node #0,0: 86:[1, 42, 2] Operation: 36-34=2 Moving to Node #0,0 Current State: 86:[1, 42, 2], Operations: ['36-34=2'] Exploring Operation: 1+42=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 86:[2, 43] Operation: 1+42=43 Moving to Node #0,0,0 Current State: 86:[2, 43], Operations: ['36-34=2', '1+42=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 79, 70, 14, 44 ]
30
[ "79-44=35", "70/14=5", "35-5=30" ]
Current State: 30:[79, 70, 14, 44], Operations: [] Exploring Operation: 79-44=35, Resulting Numbers: [70, 14, 35] Generated Node #2: [70, 14, 35] from Operation: 79-44=35 Current State: 30:[70, 14, 35], Operations: ['79-44=35'] Exploring Operation: 70/14=5, Resulting Numbers: [35, 5] Generated Node #3: [35, 5] from Operation: 70/14=5 Current State: 30:[35, 5], Operations: ['79-44=35', '70/14=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[79, 70, 14, 44], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [14, 44, 9] Generated Node #0,0: 30:[14, 44, 9] Operation: 79-70=9 Exploring Operation: 79-44=35, Resulting Numbers: [70, 14, 35] Generated Node #0,1: 30:[70, 14, 35] Operation: 79-44=35 Exploring Operation: 79-14=65, Resulting Numbers: [70, 44, 65] Generated Node #0,2: 30:[70, 44, 65] Operation: 79-14=65 Exploring Operation: 70/14=5, Resulting Numbers: [79, 44, 5] Generated Node #0,3: 30:[79, 44, 5] Operation: 70/14=5 Exploring Operation: 70-44=26, Resulting Numbers: [79, 14, 26] Generated Node #0,4: 30:[79, 14, 26] Operation: 70-44=26 Moving to Node #0,0 Current State: 30:[14, 44, 9], Operations: ['79-70=9'] Exploring Operation: 14+9=23, Resulting Numbers: [44, 23] Generated Node #0,0,0: 30:[44, 23] Operation: 14+9=23 Exploring Operation: 44-14=30, Resulting Numbers: [9, 30] Generated Node #0,0,1: 30:[9, 30] Operation: 44-14=30 Exploring Operation: 14-9=5, Resulting Numbers: [44, 5] Generated Node #0,0,2: 30:[44, 5] Operation: 14-9=5 Exploring Operation: 44-9=35, Resulting Numbers: [14, 35] Generated Node #0,0,3: 30:[14, 35] Operation: 44-9=35 Exploring Operation: 44+9=53, Resulting Numbers: [14, 53] Generated Node #0,0,4: 30:[14, 53] Operation: 44+9=53 Moving to Node #0,1 Current State: 30:[70, 14, 35], Operations: ['79-44=35'] Exploring Operation: 70-14=56, Resulting Numbers: [35, 56] Generated Node #0,1,0: 30:[35, 56] Operation: 70-14=56 Exploring Operation: 70/14=5, Resulting Numbers: [35, 5] Generated Node #0,1,1: 30:[35, 5] Operation: 70/14=5 Exploring Operation: 70/35=2, Resulting Numbers: [14, 2] Generated Node #0,1,2: 30:[14, 2] Operation: 70/35=2 Exploring Operation: 35-14=21, Resulting Numbers: [70, 21] Generated Node #0,1,3: 30:[70, 21] Operation: 35-14=21 Exploring Operation: 70-35=35, Resulting Numbers: [14, 35] Generated Node #0,1,4: 30:[14, 35] Operation: 70-35=35 Moving to Node #0,4 Current State: 30:[79, 14, 26], Operations: ['70-44=26'] Exploring Operation: 26-14=12, Resulting Numbers: [79, 12] Generated Node #0,4,0: 30:[79, 12] Operation: 26-14=12 Exploring Operation: 79-14=65, Resulting Numbers: [26, 65] Generated Node #0,4,1: 30:[26, 65] Operation: 79-14=65 Exploring Operation: 14+26=40, Resulting Numbers: [79, 40] Generated Node #0,4,2: 30:[79, 40] Operation: 14+26=40 Exploring Operation: 79+14=93, Resulting Numbers: [26, 93] Generated Node #0,4,3: 30:[26, 93] Operation: 79+14=93 Exploring Operation: 79-26=53, Resulting Numbers: [14, 53] Generated Node #0,4,4: 30:[14, 53] Operation: 79-26=53 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 30:[14, 53], Operations: ['70-44=26', '79-26=53'] Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,30 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 30:[26, 65], Operations: ['70-44=26', '79-14=65'] Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,30 unequal: No Solution Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 30:[79, 12], Operations: ['70-44=26', '26-14=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,30 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 30:[79, 40], Operations: ['70-44=26', '14+26=40'] Exploring Operation: 79*40=3160, Resulting Numbers: [3160] 3160,30 unequal: No Solution Exploring Operation: 79+40=119, Resulting Numbers: [119] 119,30 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 30:[26, 93], Operations: ['70-44=26', '79+14=93'] Exploring Operation: 26+93=119, Resulting Numbers: [119] 119,30 unequal: No Solution Exploring Operation: 26*93=2418, Resulting Numbers: [2418] 2418,30 unequal: No Solution Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 30:[79, 44, 5], Operations: ['70/14=5'] Exploring Operation: 79-44=35, Resulting Numbers: [5, 35] Generated Node #0,3,0: 30:[5, 35] Operation: 79-44=35 Exploring Operation: 44+5=49, Resulting Numbers: [79, 49] Generated Node #0,3,1: 30:[79, 49] Operation: 44+5=49 Exploring Operation: 79+5=84, Resulting Numbers: [44, 84] Generated Node #0,3,2: 30:[44, 84] Operation: 79+5=84 Exploring Operation: 44-5=39, Resulting Numbers: [79, 39] Generated Node #0,3,3: 30:[79, 39] Operation: 44-5=39 Exploring Operation: 79-5=74, Resulting Numbers: [44, 74] Generated Node #0,3,4: 30:[44, 74] Operation: 79-5=74 Moving to Node #0,2 Current State: 30:[70, 44, 65], Operations: ['79-14=65'] Exploring Operation: 70+44=114, Resulting Numbers: [65, 114] Generated Node #0,2,0: 30:[65, 114] Operation: 70+44=114 Exploring Operation: 65-44=21, Resulting Numbers: [70, 21] Generated Node #0,2,1: 30:[70, 21] Operation: 65-44=21 Exploring Operation: 70-65=5, Resulting Numbers: [44, 5] Generated Node #0,2,2: 30:[44, 5] Operation: 70-65=5 Exploring Operation: 70-44=26, Resulting Numbers: [65, 26] Generated Node #0,2,3: 30:[65, 26] Operation: 70-44=26 Exploring Operation: 70+65=135, Resulting Numbers: [44, 135] Generated Node #0,2,4: 30:[44, 135] Operation: 70+65=135 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[44, 5], Operations: ['79-14=65', '70-65=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,30 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[65, 26], Operations: ['79-14=65', '70-44=26'] Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 65*26=1690, Resulting Numbers: [1690] 1690,30 unequal: No Solution Exploring Operation: 65+26=91, Resulting Numbers: [91] 91,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[70, 21], Operations: ['79-14=65', '65-44=21'] Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,30 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[65, 114], Operations: ['79-14=65', '70+44=114'] Exploring Operation: 114-65=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 65+114=179, Resulting Numbers: [179] 179,30 unequal: No Solution Exploring Operation: 65*114=7410, Resulting Numbers: [7410] 7410,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 30:[44, 135], Operations: ['79-14=65', '70+65=135'] Exploring Operation: 44*135=5940, Resulting Numbers: [5940] 5940,30 unequal: No Solution Exploring Operation: 44+135=179, Resulting Numbers: [179] 179,30 unequal: No Solution Exploring Operation: 135-44=91, Resulting Numbers: [91] 91,30 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: 30:[9, 30], Operations: ['79-70=9', '44-14=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,30 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[14, 2], Operations: ['79-44=35', '70/35=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[35, 5], Operations: ['79-44=35', '70/14=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,30 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,30 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[79, 70, 14, 44], Operations: [] Exploring Operation: 79-44=35, Resulting Numbers: [70, 14, 35] Generated Node #0,1: 30:[70, 14, 35] Operation: 79-44=35 Moving to Node #0,1 Current State: 30:[70, 14, 35], Operations: ['79-44=35'] Exploring Operation: 70/14=5, Resulting Numbers: [35, 5] Generated Node #0,1,1: 30:[35, 5] Operation: 70/14=5 Moving to Node #0,1,1 Current State: 30:[35, 5], Operations: ['79-44=35', '70/14=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.935764
hs_5
mult_heuristic
[ 80, 94, 82, 54 ]
74
[ "82-80=2", "94+54=148", "148/2=74" ]
Current State: 74:[80, 94, 82, 54], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [94, 54, 2] Generated Node #2: [94, 54, 2] from Operation: 82-80=2 Current State: 74:[94, 54, 2], Operations: ['82-80=2'] Exploring Operation: 94+54=148, Resulting Numbers: [2, 148] Generated Node #3: [2, 148] from Operation: 94+54=148 Current State: 74:[2, 148], Operations: ['82-80=2', '94+54=148'] Exploring Operation: 148/2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[80, 94, 82, 54], Operations: [] Exploring Operation: 94-54=40, Resulting Numbers: [80, 82, 40] Generated Node #0,0: 74:[80, 82, 40] Operation: 94-54=40 Exploring Operation: 82-54=28, Resulting Numbers: [80, 94, 28] Generated Node #0,1: 74:[80, 94, 28] Operation: 82-54=28 Exploring Operation: 94-82=12, Resulting Numbers: [80, 54, 12] Generated Node #0,2: 74:[80, 54, 12] Operation: 94-82=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[80, 82, 40], Operations: ['94-54=40'] Exploring Operation: 80/40=2, Resulting Numbers: [82, 2] Generated Node #0,0,0: 74:[82, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [82, 40] Generated Node #0,0,1: 74:[82, 40] Operation: 80-40=40 Exploring Operation: 82-80=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 74:[40, 2] Operation: 82-80=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 74:[40, 2], Operations: ['94-54=40', '82-80=2'] Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,74 unequal: No Solution No 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: 74:[82, 2], Operations: ['94-54=40', '80/40=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,74 unequal: No Solution No 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: 74:[82, 40], Operations: ['94-54=40', '80-40=40'] Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,74 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,74 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,74 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: 74:[80, 54, 12], Operations: ['94-82=12'] Exploring Operation: 80-54=26, Resulting Numbers: [12, 26] Generated Node #0,2,0: 74:[12, 26] Operation: 80-54=26 Exploring Operation: 54-12=42, Resulting Numbers: [80, 42] Generated Node #0,2,1: 74:[80, 42] Operation: 54-12=42 Exploring Operation: 54+12=66, Resulting Numbers: [80, 66] Generated Node #0,2,2: 74:[80, 66] Operation: 54+12=66 Moving to Node #0,2,1 Current State: 74:[80, 42], Operations: ['94-82=12', '54-12=42'] Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,74 unequal: No Solution Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,74 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[80, 66], Operations: ['94-82=12', '54+12=66'] Exploring Operation: 80+66=146, Resulting Numbers: [146] 146,74 unequal: No Solution Exploring Operation: 80*66=5280, Resulting Numbers: [5280] 5280,74 unequal: No Solution Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[12, 26], Operations: ['94-82=12', '80-54=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,74 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[80, 94, 28], Operations: ['82-54=28'] Exploring Operation: 80-28=52, Resulting Numbers: [94, 52] Generated Node #0,1,0: 74:[94, 52] Operation: 80-28=52 Exploring Operation: 94-28=66, Resulting Numbers: [80, 66] Generated Node #0,1,1: 74:[80, 66] Operation: 94-28=66 Exploring Operation: 94-80=14, Resulting Numbers: [28, 14] Generated Node #0,1,2: 74:[28, 14] Operation: 94-80=14 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[80, 66], Operations: ['82-54=28', '94-28=66'] Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 80*66=5280, Resulting Numbers: [5280] 5280,74 unequal: No Solution Exploring Operation: 80+66=146, Resulting Numbers: [146] 146,74 unequal: No Solution No 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: 74:[28, 14], Operations: ['82-54=28', '94-80=14'] Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,74 unequal: No Solution No 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: 74:[94, 52], Operations: ['82-54=28', '80-28=52'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,74 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 85, 25, 24, 26 ]
59
[ "85-26=59", "25-24=1", "59*1=59" ]
Current State: 59:[85, 25, 24, 26], Operations: [] Exploring Operation: 85-26=59, Resulting Numbers: [25, 24, 59] Generated Node #2: [25, 24, 59] from Operation: 85-26=59 Current State: 59:[25, 24, 59], Operations: ['85-26=59'] Exploring Operation: 25-24=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 25-24=1 Current State: 59:[59, 1], Operations: ['85-26=59', '25-24=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[85, 25, 24, 26], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [25, 26, 61] Generated Node #0,0: 59:[25, 26, 61] Operation: 85-24=61 Exploring Operation: 85-25=60, Resulting Numbers: [24, 26, 60] Generated Node #0,1: 59:[24, 26, 60] Operation: 85-25=60 Moving to Node #0,0 Current State: 59:[25, 26, 61], Operations: ['85-24=61'] Exploring Operation: 25+26=51, Resulting Numbers: [61, 51] Generated Node #0,0,0: 59:[61, 51] Operation: 25+26=51 Exploring Operation: 61-25=36, Resulting Numbers: [26, 36] Generated Node #0,0,1: 59:[26, 36] Operation: 61-25=36 Moving to Node #0,1 Current State: 59:[24, 26, 60], Operations: ['85-25=60'] Exploring Operation: 24+26=50, Resulting Numbers: [60, 50] Generated Node #0,1,0: 59:[60, 50] Operation: 24+26=50 Exploring Operation: 60-24=36, Resulting Numbers: [26, 36] Generated Node #0,1,1: 59:[26, 36] Operation: 60-24=36 Moving to Node #0,0,0 Current State: 59:[61, 51], Operations: ['85-24=61', '25+26=51'] Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 61+51=112, Resulting Numbers: [112] 112,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[60, 50], Operations: ['85-25=60', '24+26=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[26, 36], Operations: ['85-24=61', '61-25=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[26, 36], Operations: ['85-25=60', '60-24=36'] Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,59 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,59 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 28, 30, 6, 64 ]
97
[ "28+64=92", "30/6=5", "92+5=97" ]
Current State: 97:[28, 30, 6, 64], Operations: [] Exploring Operation: 28+64=92, Resulting Numbers: [30, 6, 92] Generated Node #2: [30, 6, 92] from Operation: 28+64=92 Current State: 97:[30, 6, 92], Operations: ['28+64=92'] Exploring Operation: 30/6=5, Resulting Numbers: [92, 5] Generated Node #3: [92, 5] from Operation: 30/6=5 Current State: 97:[92, 5], Operations: ['28+64=92', '30/6=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[28, 30, 6, 64], Operations: [] Exploring Operation: 28+30=58, Resulting Numbers: [6, 64, 58] Generated Node #0,0: 97:[6, 64, 58] Operation: 28+30=58 Moving to Node #0,0 Current State: 97:[6, 64, 58], Operations: ['28+30=58'] Exploring Operation: 6+64=70, Resulting Numbers: [58, 70] Generated Node #0,0,0: 97:[58, 70] Operation: 6+64=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[58, 70], Operations: ['28+30=58', '6+64=70'] Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,97 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
[ 4, 93, 24, 65 ]
16
[ "93-24=69", "69-65=4", "4*4=16" ]
Current State: 16:[4, 93, 24, 65], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [4, 65, 69] Generated Node #2: [4, 65, 69] from Operation: 93-24=69 Current State: 16:[4, 65, 69], Operations: ['93-24=69'] Exploring Operation: 69-65=4, Resulting Numbers: [4, 4] Generated Node #3: [4, 4] from Operation: 69-65=4 Current State: 16:[4, 4], Operations: ['93-24=69', '69-65=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[4, 93, 24, 65], Operations: [] Exploring Operation: 65-24=41, Resulting Numbers: [4, 93, 41] Generated Node #0,0: 16:[4, 93, 41] Operation: 65-24=41 Exploring Operation: 93-65=28, Resulting Numbers: [4, 24, 28] Generated Node #0,1: 16:[4, 24, 28] Operation: 93-65=28 Exploring Operation: 24/4=6, Resulting Numbers: [93, 65, 6] Generated Node #0,2: 16:[93, 65, 6] Operation: 24/4=6 Exploring Operation: 93-24=69, Resulting Numbers: [4, 65, 69] Generated Node #0,3: 16:[4, 65, 69] Operation: 93-24=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[4, 24, 28], Operations: ['93-65=28'] Exploring Operation: 24-4=20, Resulting Numbers: [28, 20] Generated Node #0,1,0: 16:[28, 20] Operation: 24-4=20 Exploring Operation: 28/4=7, Resulting Numbers: [24, 7] Generated Node #0,1,1: 16:[24, 7] Operation: 28/4=7 Exploring Operation: 28-24=4, Resulting Numbers: [4, 4] Generated Node #0,1,2: 16:[4, 4] Operation: 28-24=4 Exploring Operation: 24/4=6, Resulting Numbers: [28, 6] Generated Node #0,1,3: 16:[28, 6] Operation: 24/4=6 Moving to Node #0,1,2 Current State: 16:[4, 4], Operations: ['93-65=28', '28-24=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[4, 93, 24, 65], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [4, 24, 28] Generated Node #0,1: 16:[4, 24, 28] Operation: 93-65=28 Moving to Node #0,1 Current State: 16:[4, 24, 28], Operations: ['93-65=28'] Exploring Operation: 28-24=4, Resulting Numbers: [4, 4] Generated Node #0,1,2: 16:[4, 4] Operation: 28-24=4 Moving to Node #0,1,2 Current State: 16:[4, 4], Operations: ['93-65=28', '28-24=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 15, 53, 97, 39 ]
10
[ "15+53=68", "97-39=58", "68-58=10" ]
Current State: 10:[15, 53, 97, 39], Operations: [] Exploring Operation: 15+53=68, Resulting Numbers: [97, 39, 68] Generated Node #2: [97, 39, 68] from Operation: 15+53=68 Current State: 10:[97, 39, 68], Operations: ['15+53=68'] Exploring Operation: 97-39=58, Resulting Numbers: [68, 58] Generated Node #3: [68, 58] from Operation: 97-39=58 Current State: 10:[68, 58], Operations: ['15+53=68', '97-39=58'] Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[15, 53, 97, 39], Operations: [] Exploring Operation: 97-53=44, Resulting Numbers: [15, 39, 44] Generated Node #0,0: 10:[15, 39, 44] Operation: 97-53=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[15, 39, 44], Operations: ['97-53=44'] Exploring Operation: 44-39=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 10:[15, 5] Operation: 44-39=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[15, 5], Operations: ['97-53=44', '44-39=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[15, 53, 97, 39], Operations: [] Exploring Operation: 97-53=44, Resulting Numbers: [15, 39, 44] Generated Node #0,0: 10:[15, 39, 44] Operation: 97-53=44 Moving to Node #0,0 Current State: 10:[15, 39, 44], Operations: ['97-53=44'] Exploring Operation: 44-39=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 10:[15, 5] Operation: 44-39=5 Moving to Node #0,0,0 Current State: 10:[15, 5], Operations: ['97-53=44', '44-39=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 46, 26, 31, 41 ]
52
[ "46-26=20", "31+41=72", "72-20=52" ]
Current State: 52:[46, 26, 31, 41], Operations: [] Exploring Operation: 46-26=20, Resulting Numbers: [31, 41, 20] Generated Node #2: [31, 41, 20] from Operation: 46-26=20 Current State: 52:[31, 41, 20], Operations: ['46-26=20'] Exploring Operation: 31+41=72, Resulting Numbers: [20, 72] Generated Node #3: [20, 72] from Operation: 31+41=72 Current State: 52:[20, 72], Operations: ['46-26=20', '31+41=72'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[46, 26, 31, 41], Operations: [] Exploring Operation: 46-31=15, Resulting Numbers: [26, 41, 15] Generated Node #0,0: 52:[26, 41, 15] Operation: 46-31=15 Exploring Operation: 41-31=10, Resulting Numbers: [46, 26, 10] Generated Node #0,1: 52:[46, 26, 10] Operation: 41-31=10 Exploring Operation: 41-26=15, Resulting Numbers: [46, 31, 15] Generated Node #0,2: 52:[46, 31, 15] Operation: 41-26=15 Exploring Operation: 31-26=5, Resulting Numbers: [46, 41, 5] Generated Node #0,3: 52:[46, 41, 5] Operation: 31-26=5 Exploring Operation: 46-41=5, Resulting Numbers: [26, 31, 5] Generated Node #0,4: 52:[26, 31, 5] Operation: 46-41=5 Moving to Node #0,4 Current State: 52:[26, 31, 5], Operations: ['46-41=5'] Exploring Operation: 31-26=5, Resulting Numbers: [5, 5] Generated Node #0,4,0: 52:[5, 5] Operation: 31-26=5 Exploring Operation: 26-5=21, Resulting Numbers: [31, 21] Generated Node #0,4,1: 52:[31, 21] Operation: 26-5=21 Exploring Operation: 26+5=31, Resulting Numbers: [31, 31] Generated Node #0,4,2: 52:[31, 31] Operation: 26+5=31 Exploring Operation: 31-5=26, Resulting Numbers: [26, 26] Generated Node #0,4,3: 52:[26, 26] Operation: 31-5=26 Exploring Operation: 26+31=57, Resulting Numbers: [5, 57] Generated Node #0,4,4: 52:[5, 57] Operation: 26+31=57 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 52:[26, 26], Operations: ['46-41=5', '31-5=26'] Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,52 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[46, 26, 31, 41], Operations: [] Exploring Operation: 46-41=5, Resulting Numbers: [26, 31, 5] Generated Node #0,4: 52:[26, 31, 5] Operation: 46-41=5 Moving to Node #0,4 Current State: 52:[26, 31, 5], Operations: ['46-41=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26, 26] Generated Node #0,4,3: 52:[26, 26] Operation: 31-5=26 Moving to Node #0,4,3 Current State: 52:[26, 26], Operations: ['46-41=5', '31-5=26'] Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 53, 97, 56, 48 ]
81
[ "56-53=3", "48/3=16", "97-16=81" ]
Current State: 81:[53, 97, 56, 48], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [97, 48, 3] Generated Node #2: [97, 48, 3] from Operation: 56-53=3 Current State: 81:[97, 48, 3], Operations: ['56-53=3'] Exploring Operation: 48/3=16, Resulting Numbers: [97, 16] Generated Node #3: [97, 16] from Operation: 48/3=16 Current State: 81:[97, 16], Operations: ['56-53=3', '48/3=16'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[53, 97, 56, 48], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [97, 48, 3] Generated Node #0,0: 81:[97, 48, 3] Operation: 56-53=3 Moving to Node #0,0 Current State: 81:[97, 48, 3], Operations: ['56-53=3'] Exploring Operation: 97-48=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 81:[3, 49] Operation: 97-48=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[3, 49], Operations: ['56-53=3', '97-48=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 60, 7, 93, 68 ]
78
[ "60-7=53", "93-68=25", "53+25=78" ]
Current State: 78:[60, 7, 93, 68], Operations: [] Exploring Operation: 60-7=53, Resulting Numbers: [93, 68, 53] Generated Node #2: [93, 68, 53] from Operation: 60-7=53 Current State: 78:[93, 68, 53], Operations: ['60-7=53'] Exploring Operation: 93-68=25, Resulting Numbers: [53, 25] Generated Node #3: [53, 25] from Operation: 93-68=25 Current State: 78:[53, 25], Operations: ['60-7=53', '93-68=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[60, 7, 93, 68], Operations: [] Exploring Operation: 60+7=67, Resulting Numbers: [93, 68, 67] Generated Node #0,0: 78:[93, 68, 67] Operation: 60+7=67 Exploring Operation: 93-60=33, Resulting Numbers: [7, 68, 33] Generated Node #0,1: 78:[7, 68, 33] Operation: 93-60=33 Exploring Operation: 68-60=8, Resulting Numbers: [7, 93, 8] Generated Node #0,2: 78:[7, 93, 8] Operation: 68-60=8 Exploring Operation: 93-68=25, Resulting Numbers: [60, 7, 25] Generated Node #0,3: 78:[60, 7, 25] Operation: 93-68=25 Exploring Operation: 93-7=86, Resulting Numbers: [60, 68, 86] Generated Node #0,4: 78:[60, 68, 86] Operation: 93-7=86 Moving to Node #0,1 Current State: 78:[7, 68, 33], Operations: ['93-60=33'] Exploring Operation: 68-33=35, Resulting Numbers: [7, 35] Generated Node #0,1,0: 78:[7, 35] Operation: 68-33=35 Exploring Operation: 7+33=40, Resulting Numbers: [68, 40] Generated Node #0,1,1: 78:[68, 40] Operation: 7+33=40 Exploring Operation: 68-7=61, Resulting Numbers: [33, 61] Generated Node #0,1,2: 78:[33, 61] Operation: 68-7=61 Exploring Operation: 7+68=75, Resulting Numbers: [33, 75] Generated Node #0,1,3: 78:[33, 75] Operation: 7+68=75 Exploring Operation: 33-7=26, Resulting Numbers: [68, 26] Generated Node #0,1,4: 78:[68, 26] Operation: 33-7=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[7, 35], Operations: ['93-60=33', '68-33=35'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,78 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 #0,1,3 Current State: 78:[33, 75], Operations: ['93-60=33', '7+68=75'] Exploring Operation: 33+75=108, Resulting Numbers: [108] 108,78 unequal: No Solution Exploring Operation: 33*75=2475, Resulting Numbers: [2475] 2475,78 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,78 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 #0,1,4 Current State: 78:[68, 26], Operations: ['93-60=33', '33-7=26'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,78 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[68, 40], Operations: ['93-60=33', '7+33=40'] Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,78 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,78 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 #0,1,2 Current State: 78:[33, 61], Operations: ['93-60=33', '68-7=61'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,78 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[7, 93, 8], Operations: ['68-60=8'] Exploring Operation: 7+93=100, Resulting Numbers: [8, 100] Generated Node #0,2,0: 78:[8, 100] Operation: 7+93=100 Exploring Operation: 7+8=15, Resulting Numbers: [93, 15] Generated Node #0,2,1: 78:[93, 15] Operation: 7+8=15 Exploring Operation: 93-7=86, Resulting Numbers: [8, 86] Generated Node #0,2,2: 78:[8, 86] Operation: 93-7=86 Exploring Operation: 93-8=85, Resulting Numbers: [7, 85] Generated Node #0,2,3: 78:[7, 85] Operation: 93-8=85 Exploring Operation: 8-7=1, Resulting Numbers: [93, 1] Generated Node #0,2,4: 78:[93, 1] Operation: 8-7=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[7, 85], Operations: ['68-60=8', '93-8=85'] Exploring Operation: 7*85=595, Resulting Numbers: [595] 595,78 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[60, 7, 93, 68], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [7, 93, 8] Generated Node #0,2: 78:[7, 93, 8] Operation: 68-60=8 Moving to Node #0,2 Current State: 78:[7, 93, 8], Operations: ['68-60=8'] Exploring Operation: 93-8=85, Resulting Numbers: [7, 85] Generated Node #0,2,3: 78:[7, 85] Operation: 93-8=85 Moving to Node #0,2,3 Current State: 78:[7, 85], Operations: ['68-60=8', '93-8=85'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 20, 52, 2, 2 ]
31
[ "52-20=32", "2/2=1", "32-1=31" ]
Current State: 31:[20, 52, 2, 2], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [2, 2, 32] Generated Node #2: [2, 2, 32] from Operation: 52-20=32 Current State: 31:[2, 2, 32], Operations: ['52-20=32'] Exploring Operation: 2/2=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 2/2=1 Current State: 31:[32, 1], Operations: ['52-20=32', '2/2=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[20, 52, 2, 2], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [20, 2, 26] Generated Node #0,0: 31:[20, 2, 26] Operation: 52/2=26 Moving to Node #0,0 Current State: 31:[20, 2, 26], Operations: ['52/2=26'] Exploring Operation: 20+2=22, Resulting Numbers: [26, 22] Generated Node #0,0,0: 31:[26, 22] Operation: 20+2=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[26, 22], Operations: ['52/2=26', '20+2=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,31 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
[ 6, 32, 28, 10 ]
46
[ "32-28=4", "10*4=40", "6+40=46" ]
Current State: 46:[6, 32, 28, 10], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [6, 10, 4] Generated Node #2: [6, 10, 4] from Operation: 32-28=4 Current State: 46:[6, 10, 4], Operations: ['32-28=4'] Exploring Operation: 10*4=40, Resulting Numbers: [6, 40] Generated Node #3: [6, 40] from Operation: 10*4=40 Current State: 46:[6, 40], Operations: ['32-28=4', '10*4=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[6, 32, 28, 10], Operations: [] Exploring Operation: 32-10=22, Resulting Numbers: [6, 28, 22] Generated Node #0,0: 46:[6, 28, 22] Operation: 32-10=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[6, 28, 22], Operations: ['32-10=22'] Exploring Operation: 28-6=22, Resulting Numbers: [22, 22] Generated Node #0,0,0: 46:[22, 22] Operation: 28-6=22 Moving to Node #0,0,0 Current State: 46:[22, 22], Operations: ['32-10=22', '28-6=22'] Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,46 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
[ 68, 3, 23, 59 ]
74
[ "68-23=45", "45/3=15", "59+15=74" ]
Current State: 74:[68, 3, 23, 59], Operations: [] Exploring Operation: 68-23=45, Resulting Numbers: [3, 59, 45] Generated Node #2: [3, 59, 45] from Operation: 68-23=45 Current State: 74:[3, 59, 45], Operations: ['68-23=45'] Exploring Operation: 45/3=15, Resulting Numbers: [59, 15] Generated Node #3: [59, 15] from Operation: 45/3=15 Current State: 74:[59, 15], Operations: ['68-23=45', '45/3=15'] Exploring Operation: 59+15=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[68, 3, 23, 59], Operations: [] Exploring Operation: 59-23=36, Resulting Numbers: [68, 3, 36] Generated Node #0,0: 74:[68, 3, 36] Operation: 59-23=36 Exploring Operation: 23+59=82, Resulting Numbers: [68, 3, 82] Generated Node #0,1: 74:[68, 3, 82] Operation: 23+59=82 Moving to Node #0,0 Current State: 74:[68, 3, 36], Operations: ['59-23=36'] Exploring Operation: 68-36=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 74:[3, 32] Operation: 68-36=32 Exploring Operation: 68+3=71, Resulting Numbers: [36, 71] Generated Node #0,0,1: 74:[36, 71] Operation: 68+3=71 Moving to Node #0,1 Current State: 74:[68, 3, 82], Operations: ['23+59=82'] Exploring Operation: 82-3=79, Resulting Numbers: [68, 79] Generated Node #0,1,0: 74:[68, 79] Operation: 82-3=79 Exploring Operation: 68+3=71, Resulting Numbers: [82, 71] Generated Node #0,1,1: 74:[82, 71] Operation: 68+3=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[68, 79], Operations: ['23+59=82', '82-3=79'] Exploring Operation: 68+79=147, Resulting Numbers: [147] 147,74 unequal: No Solution Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[82, 71], Operations: ['23+59=82', '68+3=71'] Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,74 unequal: No Solution Exploring Operation: 82+71=153, Resulting Numbers: [153] 153,74 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: 74:[36, 71], Operations: ['59-23=36', '68+3=71'] Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 36+71=107, Resulting Numbers: [107] 107,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[3, 32], Operations: ['59-23=36', '68-36=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,74 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 12, 90, 48 ]
32
[ "22-12=10", "90-48=42", "42-10=32" ]
Current State: 32:[22, 12, 90, 48], Operations: [] Exploring Operation: 22-12=10, Resulting Numbers: [90, 48, 10] Generated Node #2: [90, 48, 10] from Operation: 22-12=10 Current State: 32:[90, 48, 10], Operations: ['22-12=10'] Exploring Operation: 90-48=42, Resulting Numbers: [10, 42] Generated Node #3: [10, 42] from Operation: 90-48=42 Current State: 32:[10, 42], Operations: ['22-12=10', '90-48=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[22, 12, 90, 48], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [12, 48, 68] Generated Node #0,0: 32:[12, 48, 68] Operation: 90-22=68 Exploring Operation: 48/12=4, Resulting Numbers: [22, 90, 4] Generated Node #0,1: 32:[22, 90, 4] Operation: 48/12=4 Exploring Operation: 90-48=42, Resulting Numbers: [22, 12, 42] Generated Node #0,2: 32:[22, 12, 42] Operation: 90-48=42 Moving to Node #0,2 Current State: 32:[22, 12, 42], Operations: ['90-48=42'] Exploring Operation: 42-12=30, Resulting Numbers: [22, 30] Generated Node #0,2,0: 32:[22, 30] Operation: 42-12=30 Exploring Operation: 22+12=34, Resulting Numbers: [42, 34] Generated Node #0,2,1: 32:[42, 34] Operation: 22+12=34 Exploring Operation: 42-22=20, Resulting Numbers: [12, 20] Generated Node #0,2,2: 32:[12, 20] Operation: 42-22=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[22, 30], Operations: ['90-48=42', '42-12=30'] Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,32 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[12, 20], Operations: ['90-48=42', '42-22=20'] Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,32 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[22, 12, 90, 48], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [22, 12, 42] Generated Node #0,2: 32:[22, 12, 42] Operation: 90-48=42 Moving to Node #0,2 Current State: 32:[22, 12, 42], Operations: ['90-48=42'] Exploring Operation: 42-22=20, Resulting Numbers: [12, 20] Generated Node #0,2,2: 32:[12, 20] Operation: 42-22=20 Moving to Node #0,2,2 Current State: 32:[12, 20], Operations: ['90-48=42', '42-22=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 4, 33, 63, 16 ]
34
[ "4*16=64", "63-33=30", "64-30=34" ]
Current State: 34:[4, 33, 63, 16], Operations: [] Exploring Operation: 4*16=64, Resulting Numbers: [33, 63, 64] Generated Node #2: [33, 63, 64] from Operation: 4*16=64 Current State: 34:[33, 63, 64], Operations: ['4*16=64'] Exploring Operation: 63-33=30, Resulting Numbers: [64, 30] Generated Node #3: [64, 30] from Operation: 63-33=30 Current State: 34:[64, 30], Operations: ['4*16=64', '63-33=30'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[4, 33, 63, 16], Operations: [] Exploring Operation: 63-33=30, Resulting Numbers: [4, 16, 30] Generated Node #0,0: 34:[4, 16, 30] Operation: 63-33=30 Exploring Operation: 63-4=59, Resulting Numbers: [33, 16, 59] Generated Node #0,1: 34:[33, 16, 59] Operation: 63-4=59 Exploring Operation: 63-16=47, Resulting Numbers: [4, 33, 47] Generated Node #0,2: 34:[4, 33, 47] Operation: 63-16=47 Exploring Operation: 33-16=17, Resulting Numbers: [4, 63, 17] Generated Node #0,3: 34:[4, 63, 17] Operation: 33-16=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[4, 16, 30], Operations: ['63-33=30'] Exploring Operation: 4+16=20, Resulting Numbers: [30, 20] Generated Node #0,0,0: 34:[30, 20] Operation: 4+16=20 Exploring Operation: 30-16=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 34:[4, 14] Operation: 30-16=14 Exploring Operation: 4+30=34, Resulting Numbers: [16, 34] Generated Node #0,0,2: 34:[16, 34] Operation: 4+30=34 Exploring Operation: 16/4=4, Resulting Numbers: [30, 4] Generated Node #0,0,3: 34:[30, 4] Operation: 16/4=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[16, 34], Operations: ['63-33=30', '4+30=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,34 unequal: No Solution No 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: 34:[4, 14], Operations: ['63-33=30', '30-16=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,34 unequal: No Solution No 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: 34:[30, 4], Operations: ['63-33=30', '16/4=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,34 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[4, 33, 63, 16], Operations: [] Exploring Operation: 63-33=30, Resulting Numbers: [4, 16, 30] Generated Node #0,0: 34:[4, 16, 30] Operation: 63-33=30 Moving to Node #0,0 Current State: 34:[4, 16, 30], Operations: ['63-33=30'] Exploring Operation: 16/4=4, Resulting Numbers: [30, 4] Generated Node #0,0,3: 34:[30, 4] Operation: 16/4=4 Moving to Node #0,0,3 Current State: 34:[30, 4], Operations: ['63-33=30', '16/4=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 42, 43, 67, 30 ]
96
[ "43-42=1", "67+30=97", "97-1=96" ]
Current State: 96:[42, 43, 67, 30], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [67, 30, 1] Generated Node #2: [67, 30, 1] from Operation: 43-42=1 Current State: 96:[67, 30, 1], Operations: ['43-42=1'] Exploring Operation: 67+30=97, Resulting Numbers: [1, 97] Generated Node #3: [1, 97] from Operation: 67+30=97 Current State: 96:[1, 97], Operations: ['43-42=1', '67+30=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[42, 43, 67, 30], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [42, 30, 24] Generated Node #0,0: 96:[42, 30, 24] Operation: 67-43=24 Exploring Operation: 67-42=25, Resulting Numbers: [43, 30, 25] Generated Node #0,1: 96:[43, 30, 25] Operation: 67-42=25 Moving to Node #0,0 Current State: 96:[42, 30, 24], Operations: ['67-43=24'] Exploring Operation: 42-30=12, Resulting Numbers: [24, 12] Generated Node #0,0,0: 96:[24, 12] Operation: 42-30=12 Exploring Operation: 42-24=18, Resulting Numbers: [30, 18] Generated Node #0,0,1: 96:[30, 18] Operation: 42-24=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[24, 12], Operations: ['67-43=24', '42-30=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,96 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 #0,0,1 Current State: 96:[30, 18], Operations: ['67-43=24', '42-24=18'] Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,96 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: 96:[43, 30, 25], Operations: ['67-42=25'] Exploring Operation: 43-30=13, Resulting Numbers: [25, 13] Generated Node #0,1,0: 96:[25, 13] Operation: 43-30=13 Exploring Operation: 43-25=18, Resulting Numbers: [30, 18] Generated Node #0,1,1: 96:[30, 18] Operation: 43-25=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[25, 13], Operations: ['67-42=25', '43-30=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,96 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:[30, 18], Operations: ['67-42=25', '43-25=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 50, 25, 39, 88 ]
24
[ "50-25=25", "88-39=49", "49-25=24" ]
Current State: 24:[50, 25, 39, 88], Operations: [] Exploring Operation: 50-25=25, Resulting Numbers: [39, 88, 25] Generated Node #2: [39, 88, 25] from Operation: 50-25=25 Current State: 24:[39, 88, 25], Operations: ['50-25=25'] Exploring Operation: 88-39=49, Resulting Numbers: [25, 49] Generated Node #3: [25, 49] from Operation: 88-39=49 Current State: 24:[25, 49], Operations: ['50-25=25', '88-39=49'] Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[50, 25, 39, 88], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [25, 39, 38] Generated Node #0,0: 24:[25, 39, 38] Operation: 88-50=38 Exploring Operation: 50-39=11, Resulting Numbers: [25, 88, 11] Generated Node #0,1: 24:[25, 88, 11] Operation: 50-39=11 Exploring Operation: 88-39=49, Resulting Numbers: [50, 25, 49] Generated Node #0,2: 24:[50, 25, 49] Operation: 88-39=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[25, 39, 38], Operations: ['88-50=38'] Exploring Operation: 39-25=14, Resulting Numbers: [38, 14] Generated Node #0,0,0: 24:[38, 14] Operation: 39-25=14 Exploring Operation: 39-38=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 24:[25, 1] Operation: 39-38=1 Exploring Operation: 38-25=13, Resulting Numbers: [39, 13] Generated Node #0,0,2: 24:[39, 13] Operation: 38-25=13 Moving to Node #0,0,1 Current State: 24:[25, 1], Operations: ['88-50=38', '39-38=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[50, 25, 39, 88], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [25, 39, 38] Generated Node #0,0: 24:[25, 39, 38] Operation: 88-50=38 Moving to Node #0,0 Current State: 24:[25, 39, 38], Operations: ['88-50=38'] Exploring Operation: 39-38=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 24:[25, 1] Operation: 39-38=1 Moving to Node #0,0,1 Current State: 24:[25, 1], Operations: ['88-50=38', '39-38=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic